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WO2023016127A1 - Plaque de phase, module de caméra et terminal mobile - Google Patents

Plaque de phase, module de caméra et terminal mobile Download PDF

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Publication number
WO2023016127A1
WO2023016127A1 PCT/CN2022/102754 CN2022102754W WO2023016127A1 WO 2023016127 A1 WO2023016127 A1 WO 2023016127A1 CN 2022102754 W CN2022102754 W CN 2022102754W WO 2023016127 A1 WO2023016127 A1 WO 2023016127A1
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WO
WIPO (PCT)
Prior art keywords
film
sub
light
silicon dioxide
phase plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/102754
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English (en)
Chinese (zh)
Inventor
谭耀成
韦怡
陈嘉伟
张海裕
高玉婵
吴青峻
李响
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2023016127A1 publication Critical patent/WO2023016127A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G02B1/113—Anti-reflection coatings using inorganic layer materials only
    • G02B1/115—Multilayers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G02B5/1871—Transmissive phase gratings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Definitions

  • the present application relates to the field of computer technology, in particular to a phase plate, a camera module and a mobile terminal.
  • the mobile terminal when the mobile terminal is shooting, it can realize high-magnification object imaging, but the disadvantage is that the depth of field is very small when imaging, especially when shooting an uneven object, some areas in the captured image will be clear Some areas are blurred and there is a problem of small depth of field.
  • Various embodiments according to the present application provide a phase plate, a camera module and a mobile terminal.
  • phase plate includes a light-shielding member, the light-shielding member is arranged on the phase plate to form a light-shielding region; the phase plate has a light-passing region, and the light-shielding region surrounds the light-passing region, so The light-passing region has a diffractive microstructure, and when the light passes through the light-passing region, the diffractive microstructure modulates the phase of the light.
  • the phase plate further includes a light-transmitting substrate, the diffractive microstructure is disposed on one side of the light-transmitting substrate, and the light-shielding member covers the light-transmitting substrate and/or the diffractive microstructure. structure to form the light-shielding region in the phase plate.
  • the phase plate further includes an anti-reflection film, and the anti-reflection film covers the light-transmitting substrate and/or the diffractive microstructure located in the light-passing region, and covers the Light-transmitting substrate in shaded areas.
  • the anti-reflection film includes multiple layers of silicon dioxide sub-films and multiple layers of titanium dioxide sub-films, and the silicon dioxide sub-films and the titanium dioxide sub-films are alternately stacked.
  • the silicon dioxide sub-film and the titanium dioxide sub-film have a total of 7 layers, and the first layer to the seventh layer are: silicon dioxide sub-film, titanium dioxide sub-film, silicon dioxide sub-film, titanium dioxide sub-film , silicon dioxide sub-film, titanium dioxide sub-film, silicon dioxide sub-film.
  • the shading member includes a stacked single-layer chromium sub-film, a multi-layer silicon dioxide sub-film and a multi-layer chromium trioxide sub-film; the single-layer chromium sub-film is arranged on the shading member
  • the central layer of the single-layer chromium sub-film includes multiple layers of silicon dioxide sub-films and chromium trioxide sub-films alternately stacked on both sides of the single-layer chromium sub-film, and each layer of sub-films arranged on both sides of the single-layer chromium sub-film Arranged in mirror image.
  • the single-layer chromium sub-film, the multi-layer silicon dioxide sub-film and the multi-layer chromium trioxide sub-film have a total of 21 layers, and the first layer to the 21st layer are sequentially: silicon dioxide sub-film, three-layer chromium trioxide sub-film Dichromium oxide sub-film, silicon dioxide sub-film, dichromium trioxide sub-film, silicon dioxide sub-film, dichromium trioxide sub-film, silicon dioxide sub-film, dichromium trioxide sub-film, silicon dioxide sub-film, dichromium trioxide sub-film, silicon dioxide sub-film, dichromium trioxide sub-film Chromium Subfilm, Chromium Subfilm, Dichromium Trioxide Subfilm, Silicon Dioxide Subfilm, Dichromium Trioxide Subfilm, Silicon Dioxide Subfilm, Dichromium Trioxide Subfilm, Silicon Dioxide Subfilm, Dichromium Trioxide Subfilm, Silicon Dioxide Subfilm, Dichromium Trioxide Subfilm, silicon dioxide sub-film
  • the thickness of the light-transmitting substrate ranges from 0.15mm to 1.5mm, and the height of the diffractive microstructure in the thickness direction of the light-transmitting substrate ranges from 2 ⁇ m to 20 ⁇ m .
  • the transparent substrate is made of glass, or the transparent substrate is made of resin.
  • the side of the light-transmitting substrate facing away from the diffractive microstructure is a plane or a spherical surface.
  • the surface of the phase plate perpendicular to the direction of the optical axis is circular or square.
  • a camera module including a photosensitive element, a filter and a plurality of lenses
  • the camera module also includes a phase plate as described above; the phase plate, a plurality of lenses, a filter and the photosensitive element are sequentially are arranged in the same optical axis direction, and the phase plate, the plurality of lenses and the light filter are all located on the light-sensing side of the light-sensing element.
  • a mobile terminal includes the aforementioned camera module.
  • the phase plate includes a shading member, the shading member is arranged on the phase plate to form a shading area, and the shading area surrounds the light-transmitting area to form an aperture stop effect, so that the light can pass through Increases depth of field when imaging after a light area.
  • the diffraction microstructure of the phase plate can be used to modulate the phase of the light, so that the depth of field can be increased and the shooting effect can be improved.
  • Fig. 1 is a schematic structural diagram of a mobile terminal in an embodiment.
  • Fig. 2 is a schematic structural diagram of a camera module in an embodiment.
  • Fig. 3 is a schematic structural diagram of a phase plate in an embodiment.
  • Fig. 4 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 5 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 6 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 7 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 8 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 9 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 10 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 11 is a schematic structural diagram of a phase plate in another embodiment.
  • Fig. 12 is a schematic diagram of the effect of the shading member in one embodiment.
  • Fig. 13 is a schematic diagram of the anti-reflection effect of the light-shielding member and the anti-reflection film in one embodiment.
  • FIG. 14 is a flow chart of a method for fabricating a phase plate in an embodiment.
  • FIG. 15 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application.
  • first, second and the like used in this application may be used to describe various elements herein, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first region could be termed a second region, and, similarly, a second region could be termed a first region, without departing from the scope of the present application. Both the first area and the second area are areas, but they are not the same area.
  • terminal equipment refers to a device capable of receiving and/or sending communication signals, including but not limited to, connected via any one or several of the following connection methods:
  • connection via wired lines such as public switched telephone network (Public Switched Telephone Networks, PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, direct cable connection;
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • wireless interface such as cellular network, wireless local area network (Wireless Local Area Network, WLAN), digital TV network such as DVB-H network, satellite network, AM-FM broadcast transmitter.
  • wireless local area network Wireless Local Area Network, WLAN
  • digital TV network such as DVB-H network
  • satellite network AM-FM broadcast transmitter.
  • a terminal device arranged to communicate over a wireless interface may be referred to as a "mobile terminal".
  • mobile terminals include, but are not limited to, the following electronic devices:
  • PCS Personal Communications System
  • the mobile terminal 10 is a smart phone
  • the mobile terminal 10 includes a camera module 100 and a housing 200
  • the camera module 100 is disposed on the housing 200 .
  • the camera module 100 can be used to perform a shooting function.
  • the camera module 100 can perform the function of a front camera, and the user can perform operations such as Selfie and video call through the camera module 100 .
  • the camera module 100 can perform the function of a rear camera, and the user can perform operations such as macro shooting and video recording through the camera module 100 .
  • the mobile terminal 10 may be a tablet computer, a notebook computer, or the like.
  • This application takes the camera module 100 of a smart phone as an example for illustration, but it can be understood that the camera module 100 disclosed in this application is also applicable to other types of mobile terminals 10 .
  • the camera module 100 includes a photosensitive element 208, a filter 206, a plurality of lenses 204 and a phase plate 202;
  • the optical axis is arranged, and the phase plate 202 , the plurality of lenses 204 and the filter 206 are all located on the light-sensing side of the light-sensing element 208 .
  • the number of lenses 204 can be set as required, for example, there can be two or more lenses 204, for example, four lenses are set in the camera module 110 shown in FIG. 2 . In other implementation manners, 5 or 6 lenses may also be set in the camera module.
  • the lens 112 can be a convex lens or a concave lens, wherein the convex lens has positive refractive power, and the concave lens has negative refractive power.
  • the number and arrangement of the lenses 112 in the camera module can be adapted to the corresponding shooting needs. Taking four lenses 112 arranged in the camera module as an example, in the direction from the object side to the image side, the first lens, the second lens, the third lens and the fourth lens are sequentially arranged in the camera module along the direction of the optical axis , wherein the first lens and the third lens have positive refractive power, and the second lens and the fourth lens have negative refractive power.
  • the filter 206 may be an infrared cut filter (IRCF, IR filter).
  • the photosensitive element 208 is arranged along the optical axis direction of the lens 204, and the phase plate 202 and the plurality of lenses 204 are located on the photosensitive side of the photosensitive element 208, so that the external light passes through the phase plate 202 and the plurality of lenses 204. Enter the photosensitive element 208 for imaging.
  • the type of photosensitive element 208 may include a CCD (Charge Coupled) element, a CMOS (Complementary Metal Oxide Conductor) device, a photodiode, and the like.
  • the photosensitive element 208 may be a color light sensor, a monochrome light sensor, an infrared light sensor, a grayscale sensor, and the like.
  • the camera module 110 is used to process light so that the processed light enters the photosensitive element 208 to meet the imaging requirements of the photosensitive element 208 .
  • the photosensitive element 208 can be integrated on the circuit board by patching, and the optical filter 206 can be arranged between the camera module 110 and the photosensitive element 208, so that the infrared light that has a bad influence on the imaging effect can be filtered out by the optical filter 206.
  • phase plate 202 in the camera module 110 has many possibilities. Specifically, the phase plate 202 can be set between two adjacent lenses 204, or can be set on one side of all the lenses, and is not limited to this.
  • the camera module 100 may be a macro lens module, a super macro lens module, a telephoto lens module, a wide-angle lens module, etc., and is not limited here.
  • the macro lens module and the super macro lens module are special lenses used for macro photography, and are mainly used for shooting very small objects, such as flowers and insects.
  • a telephoto lens module refers to a photographic lens with a longer focal length than a standard lens.
  • the wide-angle lens module is a photographic lens with a shorter focal length than a standard lens, a larger viewing angle than a standard lens, a longer focal length than a fisheye lens, and a smaller viewing angle than a fisheye lens.
  • the distance between the shooting object and the lens is less than 1cm (centimeter), and the lens that can magnify the object by more than 30 times is a super macro lens module.
  • the camera module includes a phase plate with an aperture diaphragm effect, through which the degree of diffusion of imaging can be controlled, thereby improving the depth of field of imaging.
  • the point spread function (PSF, Point spread function) can be used to control the degree of dispersion of the imaging object distance relative to the optimal object distance through the phase plate, that is to say, for a long period before and after the optimal imaging object distance
  • the imaging resolution of the scene in the range is close, that is, the imaging depth of field is increased.
  • the point spread function also known as the point spread function.
  • the mobile terminal can also combine the image processing algorithm to generate an image with a wider imaging range, which can obtain a clear image with a greater probability, and improve the clarity and accuracy of the image captured by the camera module.
  • image processing algorithms include but are not limited to subject recognition algorithms, face detection algorithms, beautification algorithms, pixel interpolation algorithms, deconvolution or deep learning algorithms, etc.
  • Figure 3 is a schematic diagram of a cross-section of a phase plate in one embodiment.
  • the phase plate 202 includes a shading member 304, and the shading member 304 is arranged on the phase plate 202 to form a light-shielding region; the phase plate 202 has a light-passing region, and the light-shielding region surrounds the light-passing region, and the light-passing region has a diffractive microstructure 302.
  • the diffractive microstructure 302 modulates the phase of the light.
  • the shade 304 is a member for blocking light.
  • the light-shielding member 304 may specifically be a light-shielding film, a light-shielding plate, a light-shielding cloth, etc., and is not limited thereto. If the light-shielding element 304 is a light-shielding film, then coat the light-shielding film on the phase plate 202; The light-shielding element 304 is disposed on the phase plate 202 , and the area covered by the light-shielding element 304 on the phase plate 202 is a light-shielding area.
  • the light-passing region is a region in the phase plate 202 through which light can pass.
  • the light-passing area and the light-shielding area do not overlap each other, and the light-passing area plus the light-shielding area can form the entire area of the phase plate 202 .
  • the size of the light-transmitting area can be set as required.
  • the size of the light-transmitting area may be a square with a side length of 1.1 mm (millimeter), or a circle with a radius of 2.2 mm, etc., but is not limited thereto.
  • the two sides of the phase plate perpendicular to the direction of the optical axis have light-transmitting areas, and the light-shielding area surrounds the light-transmitting area, and surrounds the light-transmitting area on one of the sides, or surrounds both sides. Clear area.
  • the light-shielding area surrounds the light-transmitting area, which can realize the aperture stop effect.
  • the smaller the light-transmitting area the greater the imaging depth of light after the light penetrates the light-transmitting area; the larger the light-transmitting area, the smaller the imaging depth of the light passing through the light-transmitting area.
  • the depth of field refers to the front and back distance range of the subject measured by imaging that can obtain clear images at the front of the camera or other imagers.
  • the larger the depth of field the larger the range of clear imaging of the object to be photographed, and the greater the probability of being able to capture a clear image.
  • the diffractive microstructure 302 is formed on one side of the light-transmitting substrate 113a, and is used for modulating the phase of the light passing through the light-transmitting area, so as to increase the depth of field during macro shooting, thereby improving the effect of macro shooting.
  • Diffractive microstructure 302 may be a phase plane.
  • the diffractive microstructure 302 is made of glass or resin.
  • the height of the vertex, a and b are preset parameters.
  • the central vertex refers to the central point where the central symmetry lies. Dropout refers to the distance from the center vertex.
  • the values of a and b can be set as required, and the values of a and b can be the same or different.
  • the coordinates of the diffractive microstructure are the same as those of the phase plate.
  • the mechanical center coordinates of the diffractive microstructure may be (0,0).
  • the size and shape of the phase plate can be set as required.
  • the phase plate can be a circle with a diameter of 1 mm, or a square with a side length of 1 mm.
  • the above-mentioned phase plate 202, the phase plate 202 includes a shading member 304, the shading member 304 is arranged on the phase plate 202 to form a light-shielding area, and the light-shielding area surrounds the light-transmitting area to form an aperture stop effect, so that the light can pass through the light.
  • the diffraction microstructure of the phase plate can be used to modulate the phase of the light, so that the depth of field can be increased and the shooting effect can be improved.
  • FIG. 4 is a schematic diagram of a cross-section of a phase plate in another embodiment.
  • the phase plate 202 also includes a light-transmitting substrate 402, the diffractive microstructure 302 is arranged on one side of the light-transmitting substrate 402, and the light-shielding member 304 covers the light-transmitting substrate 402 and/or the diffractive microstructure 302, so that the phase plate In step 202, a light-shielding region is formed.
  • the light-transmitting substrate 402 is on the millimeter scale, and the diffractive microstructure 302 is on the micron scale, so as to ensure the strength of the overall structure and at the same time provide a better diffraction effect to adjust the phase of light to meet the shooting needs of large depth of field.
  • the thickness h of the transparent substrate 402 ranges from 0.15 mm to 1.5 mm, such as 0.15 mm, 0.5 mm, 1.05 mm, 1.15 mm or 1.5 mm.
  • the height d of the diffractive microstructure 302 in the thickness direction of the transparent substrate 402 ranges from 2 ⁇ m to 20 ⁇ m (micrometer), such as 2 ⁇ m, 5 ⁇ m, 10 ⁇ m, 15 ⁇ m or 20 ⁇ m.
  • the transparent base 402 is made of glass or resin.
  • the side of the light-transmitting substrate 402 facing away from the diffractive microstructure 302 is a plane or spherical surface, and the side facing the diffractive microstructure 302 is a plane.
  • the shape of the light-transmitting substrate 402 is not limited here. In other embodiments, the side of the transparent substrate 402 facing away from the diffractive microstructure 302 may also be an aspherical surface.
  • the shape of the surface of the phase plate 202 perpendicular to the direction of the optical axis can be set as required. For example, the surface of the phase plate 202 perpendicular to the direction of the optical axis is circular or square.
  • the shading member 304 covers the transparent substrate 402 and is on the same side as the diffractive microstructure 302 of the transparent substrate 402 .
  • the shading member 304 covers the transparent substrate 402 and is on a different side from the diffractive microstructure 302 of the transparent substrate 402 .
  • the shading member 304 covers the light-transmitting substrate 402 and the diffractive microstructure 302 .
  • the shading member 304 covers the transparent substrate 402 and is located between the transparent substrate 402 and the diffractive microstructure 302 .
  • the shading member 304 covers the diffractive microstructure 302 .
  • the shading member 304 covers both sides of the light-transmitting substrate 402 perpendicular to the direction of the optical axis.
  • the shading member 304 covers the light-transmitting substrate 402 and the diffractive microstructure 302 , and on the other side facing away from the diffractive microstructure 302 On the side, the shading member 304 covers the light-transmitting base 402 .
  • the shading member 304 covers the light-transmitting substrate 402 and is located between the light-transmitting substrate 402 and the diffractive microstructure 302 .
  • the shading member 304 covers the transparent substrate 402 .
  • the phase plate 202 further includes an anti-reflection film, and the anti-reflection film covers the light-transmitting substrate 402 and/or the diffractive microstructure 302 in the light-transmitting region, and covers the light-transmitting substrate 402 in the light-shielding region.
  • the main function of the anti-reflection coating is to reduce or eliminate the reflected light from optical surfaces such as lenses, prisms, and flat mirrors, thereby increasing the light transmission of these components and reducing or eliminating the stray light of the system.
  • the antireflection film covers the transparent substrate 402 in the light-transmissive area and covers the transparent substrate 402 in the light-shielding area.
  • the anti-reflection film covers the diffractive microstructure 302 in the light-transmitting area, and covers the light-transmitting substrate 402 in the light-shielding area.
  • the anti-reflection film covers the light-transmitting substrate 402 and the diffractive microstructure 302 in the light-transmitting region, and covers the light-transmitting substrate 402 in the light-shielding region.
  • both sides of the phase plate perpendicular to the direction of the optical axis have light-transmitting regions.
  • the light-transmitting area on one side can be covered with an anti-reflection film, and the light-transmitting areas on both sides can also be covered with an anti-reflection film.
  • the anti-reflection coating when the light passes through the light-passing area, can reduce or eliminate reflected light or stray light, thereby obtaining More light allows more information to be obtained during subsequent imaging, and the imaging is clearer.
  • the anti-reflection film includes multiple layers of silicon dioxide sub-films and multiple layers of titanium dioxide sub-films, and the silicon dioxide sub-films and titanium dioxide sub-films are alternately stacked.
  • the material of the silicon dioxide sub-film is silicon dioxide (SIO2)
  • the material of the titanium dioxide sub-film is titanium dioxide (TIO2).
  • the number of layers of the silicon dioxide sub-film and the titanium dioxide sub-film can be set as required, and the thickness of each layer of the sub-film can also be set as required, which is not limited.
  • the silicon dioxide sub-film and the titanium dioxide sub-film have seven layers in total, and the first layer to the seventh layer are sequentially: silicon dioxide sub-film, titanium dioxide sub-film, silicon dioxide sub-film, titanium dioxide sub-film, silicon dioxide sub-film , Titanium dioxide sub-film, silicon dioxide sub-film.
  • each silicon dioxide sub-film or titanium dioxide sub-film can be set as required.
  • the thicknesses of the first layer to the seventh layer are: 176.13, 12.84, 35.07, 45.0, 14.98, 33.06, 91.88nm (nanometer), as shown in Table 1:
  • the shading member includes a single-layer chromium sub-film, a multi-layer silicon dioxide sub-film and a multi-layer chromium trioxide sub-film that are stacked; Both sides of the sub-film include multiple layers of silicon dioxide sub-films and chromium trioxide sub-films alternately stacked on each other, and the sub-films arranged on both sides of the single-layer chromium sub-film are arranged in mirror images.
  • the material of the chrome sub-film is chromium (CR), and the chrome sub-film is a single-layer film, that is, the number of layers of the chromium sub-film is 1, and is arranged in the center layer of the light-shielding member.
  • the material of the silicon dioxide sub-film is silicon dioxide (SIO2), and the material of the dichromium trioxide sub-film is dichromium trioxide (CR2O3).
  • the number of layers of the silicon dioxide sub-film and the dichromium trioxide sub-film can be set as required, and the thickness of the chromium sub-film and each layer of sub-film can also be set according to needs, which is not limited.
  • the single-layer chromium sub-film, the multi-layer silicon dioxide sub-film and the multi-layer chromium trioxide sub-film have 21 layers in total, and the first layer to the 21st layer are sequentially: silicon dioxide sub-film, chromium trioxide Subfilm, silicon dioxide subfilm, dichromium trioxide subfilm, silicon dioxide subfilm, dichromium trioxide subfilm, silicon dioxide subfilm, dichromium trioxide subfilm, silicon dioxide subfilm, dichromium trioxide subfilm , chromium sub-film, chromium trioxide sub-film, silicon dioxide sub-film, chromium trioxide sub-film, silicon dioxide sub-film, chromium trioxide sub-film, silicon dioxide sub-film, chromium trioxide sub-film, dioxide Silicon sub-film, chromium trioxide sub-film, silicon dioxide sub-film.
  • the thickness of the chromium sub-film can be set as required, and the thickness of each silicon dioxide sub-film or chromium trioxide sub-film can be set as required.
  • the thicknesses of the first layer to the 21st layer are: 34.52, 19.35, 50.47, 25.38, 19.5, 249.78, 15, 136.91, 81.3, 56.73, 120, 54.05, 79.73, 255.0, 15.83, 149.08, 15.0, 132.86, 31.1, 15.39, 22.23nm (nanometer), as shown in Table 2:
  • Fig. 12 is a schematic diagram of the effect of the shading member in one embodiment.
  • the shading effect of the shading member can be represented by optical density (OD).
  • OD optical density
  • Optical density is a measure of the characteristic of an object absorbing light, that is, the ratio of incident light to reflected light or transmitted light, and is often expressed as the decimal logarithm of the reciprocal of transmittance or reflectance.
  • the optical density of the visible light band with a wavelength (wavelength) of 400-700 nanometers (nm) is 6-11, reaching the extinction standard (OD5) of conventional SOMA light-shielding sheets.
  • Fig. 13 is a schematic diagram of the anti-reflection effect of the light-shielding member and the anti-reflection film in one embodiment. As shown in FIG. 13 , anti-reflection curves on both sides of the phase plate 202 are shown. The reflectance (reflectance) of the visible light band with a wavelength (wavelength) of 400-700 nanometers (nm) is all within 1%, effectively playing the effect of anti-reflection.
  • the present application also provides a method for manufacturing a phase plate 202, as shown in FIG. 14 , including the following operations:
  • Operation 1402 covering the first area of at least one side of the light-transmitting member with photoresist, and covering the second area except the first area with a light-shielding member to form a light-shielding area, and the light-shielding area surrounds the first area; the first area and The second area is located on the same side of the light-transmitting member.
  • the light-transmitting member refers to a part that can transmit light.
  • the light-transmitting member may be a light-transmitting plate, a light-transmitting film, and the like.
  • the light-transmitting member can be made of glass or resin.
  • the first area refers to the area covered with photoresist.
  • the second area is an area other than the first area in the same side of the first area.
  • the second area is the area covering the light shielding member 304, that is, the light shielding area.
  • Photoresist refers to a light-sensitive mixed liquid composed of photosensitive resin, sensitizer and solvent, which is used as an anti-corrosion coating material during the photolithography process.
  • the light-shielding area surrounds the first area to form an aperture stop effect, which can increase the imaging depth of field after the light passes through the light-transmitting area.
  • one side of the light-transmitting member includes the first region, and the second region is on the same side as the first region, that is, the side of the light-transmitting member including the first region also includes the second region.
  • both sides of the light-transmitting member include the first region, and the second region is on the same side as the first region, that is, both sides of the light-transmitting member also include the second region.
  • the two sides of the phase plate perpendicular to the direction of the optical axis have light-transmitting areas, and the light-shielding area surrounds the light-transmitting area, and surrounds the light-transmitting area on one of the sides, or surrounds both sides. Clear area.
  • the light-shielding area surrounds the light-transmitting area, which can realize the aperture stop effect.
  • the smaller the light-transmitting area the greater the imaging depth of light after the light penetrates the light-transmitting area; the larger the light-transmitting area, the smaller the imaging depth of the light passing through the light-transmitting area.
  • the depth of field refers to the front and back distance range of the subject measured by imaging that can obtain clear images at the front of the camera or other imagers.
  • the larger the depth of field the larger the range of clear imaging of the object to be photographed, and the greater the probability of being able to capture a clear image.
  • Operation 1404 removing the photoresist to obtain a light-passing area, and setting a diffractive microstructure in the light-passing area to obtain a phase plate.
  • the diffractive microstructure 302 is a microstructure with a diffractive function.
  • the pattern of the diffractive microstructure 302 can be set as required.
  • the computer equipment obtains a preset pattern of the diffractive microstructure 302 , and sets the pattern in the light-passing area to form the diffractive microstructure 302 . After the diffractive microstructure 302 is arranged in the light-passing region, the phase plate 202 can be obtained.
  • the light-transmitting element adopts the millimeter scale
  • the diffractive microstructure 302 adopts the micron scale, so as to ensure the strength of the overall structure and at the same time provide a better diffraction effect to adjust the phase of light to meet the shooting needs of large depth of field.
  • the thickness h of the light-transmitting member ranges from 0.15mm to 1.5mm, such as 0.15mm, 0.5mm, 1.05mm, 1.15mm or 1.5mm.
  • the height d of the diffractive microstructure 302 in the thickness direction of the light-transmitting member ranges from 2 ⁇ m to 20 ⁇ m, such as 2 ⁇ m, 5 ⁇ m, 10 ⁇ m, 15 ⁇ m or 20 ⁇ m.
  • the light-transmitting member is made of glass or resin.
  • the side of the light-transmitting element facing away from the diffractive microstructure 302 is a plane or a spherical surface, and the shape of the light-transmitting element is not limited here.
  • the cross section of the phase plate 202 is circular or square.
  • the first area on at least one side of the light-transmitting member is covered with photoresist
  • the second area other than the first area is covered with a light-shielding member 304 to form a light-shielding area
  • the light-shielding area surrounds the first area to form a light-shielding area.
  • the aperture diaphragm effect is formed, which can increase the depth of field of the image after the light penetrates the light-transmitting area.
  • the diffraction microstructure of the phase plate can be used to modulate the phase of the light, so that the depth of field can be increased and the shooting effect can be improved.
  • the photolithography pattern before the first region of at least one side of the light-transmitting member is covered with photoresist, it further includes: performing a photolithography pattern on the light-transmitting member using a lift-off process to obtain a photolithography pattern.
  • the light-transmitting member; the first area on at least one side of the light-transmitting member having the photolithography pattern is covered with photoresist.
  • the photolithography pattern can be set as required, which is not limited here.
  • the phase plate 202 after the phase plate 202 is obtained by setting the diffractive microstructure 302 in the light-passing area, it further includes: on the light-transmitting member and/or the diffractive micro-structure 302 in the light-passing area, and the light-transmitting element in the light-shielding area The parts are covered with anti-reflection film.
  • the main function of the anti-reflection coating is to reduce or eliminate the reflected light from optical surfaces such as lenses, prisms, and flat mirrors, thereby increasing the light transmission of these components and reducing or eliminating the stray light of the system.
  • the anti-reflection film covers the light-transmitting element in the light-transmitting area and the light-transmitting element in the light-shielding area. In another embodiment, the anti-reflection film covers the diffractive microstructure 302 in the light-transmitting area and the light-transmitting member in the light-shielding area. In another embodiment, the anti-reflection film covers the light-transmitting element and the diffractive microstructure 302 in the light-passing area, and the light-transmitting element in the light-shielding area.
  • both sides of the phase plate perpendicular to the direction of the optical axis have light-transmitting regions.
  • the light-transmitting area on one side can be covered with an anti-reflection film, and the light-transmitting areas on both sides can also be covered with an anti-reflection film.
  • the light-transmitting member and/or the diffractive microstructure 302 in the light-passing area when the light passes through the light-passing area, the anti-reflection coating can reduce or eliminate reflected light or stray light, thereby obtaining more With more light, more information can be obtained during subsequent imaging, and the imaging is clearer.
  • the anti-reflection film includes multiple layers of silicon dioxide sub-films and multiple layers of titanium dioxide sub-films, and the silicon dioxide sub-films and titanium dioxide sub-films are alternately stacked.
  • the material of the silicon dioxide sub-film is silicon dioxide (SIO2)
  • the material of the titanium dioxide sub-film is titanium dioxide (TIO2).
  • the number of layers of the silicon dioxide sub-film and the titanium dioxide sub-film can be set as required, and the thickness of each layer of the sub-film can also be set as required, which is not limited.
  • the silicon dioxide sub-film and the titanium dioxide sub-film have seven layers in total, and the first layer to the seventh layer are sequentially: silicon dioxide sub-film, titanium dioxide sub-film, silicon dioxide sub-film, titanium dioxide sub-film, silicon dioxide sub-film , Titanium dioxide sub-film, silicon dioxide sub-film.
  • each silicon dioxide sub-film or titanium dioxide sub-film can be set as required.
  • the thicknesses of the first layer to the seventh layer are: 176.13, 12.84, 35.07, 45.0, 14.98, 33.06, 91.88 nm (nm).
  • the shading member includes a single-layer chromium sub-film, a multi-layer silicon dioxide sub-film and a multi-layer chromium trioxide sub-film that are stacked; Both sides of the sub-film include multiple layers of silicon dioxide sub-films and chromium trioxide sub-films alternately stacked on each other, and the sub-films arranged on both sides of the single-layer chromium sub-film are arranged in mirror images.
  • the material of the chrome sub-film is chromium (CR), and the chrome sub-film is a single-layer film, that is, the number of layers of the chromium sub-film is 1, and is arranged in the center layer of the light-shielding member.
  • the material of the silicon dioxide sub-film is silicon dioxide (SIO2), and the material of the dichromium trioxide sub-film is dichromium trioxide (CR2O3).
  • the number of layers of the silicon dioxide sub-film and the dichromium trioxide sub-film can be set as required, and the thickness of the chromium sub-film and each layer of sub-film can also be set according to needs, which is not limited.
  • the single-layer chromium sub-film, the multi-layer silicon dioxide sub-film and the multi-layer chromium trioxide sub-film have 21 layers in total, and the first layer to the 21st layer are sequentially: silicon dioxide sub-film, chromium trioxide Subfilm, silicon dioxide subfilm, dichromium trioxide subfilm, silicon dioxide subfilm, dichromium trioxide subfilm, silicon dioxide subfilm, dichromium trioxide subfilm, silicon dioxide subfilm, dichromium trioxide subfilm , chromium sub-film, chromium trioxide sub-film, silicon dioxide sub-film, chromium trioxide sub-film, silicon dioxide sub-film, chromium trioxide sub-film, silicon dioxide sub-film, chromium trioxide sub-film, dioxide Silicon sub-film, chromium trioxide sub-film, silicon dioxide sub-film.
  • the thickness of the chromium sub-film can be set as required, and the thickness of each silicon dioxide sub-film or chromium trioxide sub-film can be set as required.
  • the thicknesses of the first layer to the 21st layer are: 34.52, 9.35, 50.47, 25.38, 19.5, 249.78, 15, 136.91, 81.3, 56.73, 150, 54.05, 79.73, 255.0, 15.83, 149.08, 15.0, 132.86, 31.1, 15.39, 22.23 nm (nano).
  • FIG. 15 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application.
  • the mobile terminal 10 may include a radio frequency (RF, Radio Frequency) circuit 1501, a memory 1502 including one or more computer-readable storage media, an input unit 1503, a display unit 1504, a sensor 1505, an audio circuit 1506, a wireless fidelity ( WiFi, Wireless Fidelity) module 1507, including a processor 1508 with one or more processing cores, and a power supply 1509 and other components.
  • RF Radio Frequency
  • a memory 1502 including one or more computer-readable storage media
  • an input unit 1503 a display unit 1504
  • a sensor 1505 an audio circuit 1506, a wireless fidelity ( WiFi, Wireless Fidelity) module 1507, including a processor 1508 with one or more processing cores, and a power supply 1509 and other components.
  • WiFi Wireless Fidelity
  • the radio frequency circuit 1501 can be used to send and receive information, or to receive and send signals during a call. In particular, after receiving the downlink information from the base station, it is processed by one or more processors 1508; in addition, the uplink data is sent to the base station .
  • the radio frequency circuit 1501 includes but is not limited to an antenna, at least one amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM, Subscriber Identity Module) card, a transceiver, a coupler, a low noise amplifier (LNA, Low Noise Amplifier), duplexer, etc.
  • SIM Subscriber Identity Module
  • LNA Low Noise Amplifier
  • the wireless communication can use any communication standard or protocol, including but not limited to Global System for Mobile Communications (GSM, Global System of Mobile communication), General Packet Radio Service (GPRS, General Packet Radio Service), Code Division Multiple Access (CDMA, Code Division Multiple Access), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), Long Term Evolution (LTE, Long Term Evolution), email, Short Message Service (SMS, Short Messaging Service), etc.
  • GSM Global System for Mobile Communications
  • GPRS General Packet Radio Service
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • SMS Short Message Service
  • Memory 1502 may be used to store applications and data.
  • the application programs stored in the memory 1502 include executable codes. Applications can be composed of various functional modules.
  • the processor 1508 executes various functional applications and data processing by running the application programs stored in the memory 1502 .
  • the memory 1502 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.); Data created using the mobile terminal 10 (such as audio data, phone book, etc.) and the like.
  • the memory 1502 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.
  • the memory 1502 may also include a memory controller to provide access to the memory 1502 by the processor 1508 and the input unit 1503 .
  • the input unit 1503 can be used to receive input numbers, character information or user characteristic information (such as fingerprints), and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control.
  • the input unit 1503 may include a touch-sensitive surface as well as other input devices.
  • a touch-sensitive surface also known as a touch display or trackpad, collects user touch operations on or near it (for example, the user uses a finger, stylus, etc. any suitable object or accessory on the touch-sensitive surface or on the touch-sensitive Operation near the surface), and drive the corresponding connection device according to the preset program.
  • the touch-sensitive surface may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the to the processor 1508, and can receive and execute commands sent by the processor 1508.
  • the display unit 1504 can be used to display information input by or provided to the user and various graphical user interfaces of the mobile terminal 10. These graphical user interfaces can be composed of graphics, text, icons, videos and any combination thereof.
  • the display unit 1504 may include the above-mentioned liquid crystal panel.
  • the touch-sensitive surface may cover the liquid crystal panel, and when the touch-sensitive surface detects a touch operation on or near it, the touch operation is sent to the processor 1508 to determine the type of the touch event, and then the processor 1508 displays the touch event on the liquid crystal according to the type of the touch event. The corresponding visual output is provided on the panel.
  • the touch-sensitive surface and the liquid crystal panel are used as two independent components to realize the input and input functions
  • the touch-sensitive surface and the liquid crystal panel can be integrated to realize the input and output functions.
  • the touch screen may include an input unit 1503 and a display unit 1504 .
  • the mobile terminal 10 may also include at least one sensor 1505, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the liquid crystal panel according to the brightness of the ambient light, and the proximity sensor may turn off the liquid crystal panel and/or or backlight.
  • the gravitational acceleration sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used for applications that recognize the attitude of mobile phones (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, knocking), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. that can be configured in mobile terminal 10, here No longer.
  • the audio circuit 1506 can provide an audio interface between the user and the mobile terminal 10 through speakers and microphones.
  • the audio circuit 1506 can convert the received audio data into an electrical signal, transmit it to the speaker, and the speaker converts it into a sound signal for output; on the other hand, the microphone converts the collected sound signal into an electrical signal, which is converted into
  • the audio data after being processed by the audio data output processor 1508, is sent to another mobile terminal 10 through the radio frequency circuit 1501, or the audio data is output to the memory 1502 for further processing.
  • the audio circuit 1506 may also include an earphone socket to provide communication between an external earphone and the mobile terminal 10 .
  • Wireless Fidelity belongs to the short-distance wireless transmission technology.
  • the mobile terminal 10 can help users send and receive emails, browse web pages, and access streaming media through the wireless fidelity module 1507. It provides users with wireless broadband Internet access.
  • Fig. 15 shows the Wi-Fi module 1507, it can be understood that it is not an essential component of the mobile terminal 10, and can be completely omitted as required without changing the essence of the invention.
  • the processor 1508 is the control center of the mobile terminal 10. It uses various interfaces and lines to connect various parts of the entire mobile terminal 10. By running or executing the application program stored in the memory 1502 and calling the data stored in the memory 1502, the processor 1508 executes Various functions and processing data of the mobile terminal 10, so as to monitor the mobile terminal 10 as a whole.
  • the processor 1508 may include one or more processing cores; preferably, the processor 1508 may integrate an application processor and a modem processor, wherein the application processor mainly processes operating systems, user interfaces, and application programs, etc. , the modem processor mainly handles wireless communications. It can be understood that the foregoing modem processor may not be integrated into the processor 1508 .
  • the mobile terminal 10 also includes a power supply 1509 for powering various components.
  • the power supply 1509 can be logically connected to the processor 1508 through a power management system, so as to implement functions such as management of charging, discharging, and power consumption management through the power management system.
  • the power supply 1509 may also include one or more DC or AC power supplies, recharging systems, power failure detection circuits, power converters or inverters, power status indicators and other arbitrary components.
  • the mobile terminal 10 may also include a Bluetooth module, etc., which will not be repeated here.
  • each of the above modules may be implemented as an independent entity, or may be combined arbitrarily as the same or several entities.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

L'invention concerne une plaque de phase (202). La plaque de phase (202) comprend des éléments de protection contre la lumière (304), les éléments de protection contre la lumière (304) étant disposés sur la plaque de phase (202) pour former une région de protection contre la lumière ; la plaque de phase (202) comprend une région de passage de lumière ; la région de protection contre la lumière entoure la région de passage de lumière ; la région de passage de lumière a une microstructure de diffraction (302) ; et lorsque la lumière traverse la région de passage de lumière, la microstructure de diffraction (302) module la phase de la lumière.
PCT/CN2022/102754 2021-08-13 2022-06-30 Plaque de phase, module de caméra et terminal mobile Ceased WO2023016127A1 (fr)

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN113671618A (zh) * 2021-08-13 2021-11-19 Oppo广东移动通信有限公司 相位板、摄像头模组和移动终端
CN114415268B (zh) * 2022-01-28 2024-07-12 宁波舜宇奥来技术有限公司 光学相位板的制作方法
CN114911036A (zh) * 2022-05-18 2022-08-16 Oppo广东移动通信有限公司 镜头及电子设备
CN114966938A (zh) * 2022-05-25 2022-08-30 Oppo广东移动通信有限公司 相位板的制作方法、相位板和电子装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006137355A1 (fr) * 2005-06-20 2006-12-28 Riverbell Co., Ltd. Verre à foyer progressif et système de traitement d'image
CN101443689A (zh) * 2006-05-15 2009-05-27 松下电器产业株式会社 衍射摄像透镜和衍射摄像透镜光学系统及使用其的摄像装置
CN102576105A (zh) * 2010-08-19 2012-07-11 松下电器产业株式会社 衍射光栅透镜和使用了它的摄像装置
JP2016218285A (ja) * 2015-05-21 2016-12-22 株式会社リコー レンズユニットおよび撮像装置
CN107483805A (zh) * 2017-10-18 2017-12-15 信利光电股份有限公司 一种摄像装置及电子设备
CN113671618A (zh) * 2021-08-13 2021-11-19 Oppo广东移动通信有限公司 相位板、摄像头模组和移动终端

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200713460A (en) * 2005-09-22 2007-04-01 Adv Lcd Tech Dev Ct Co Ltd Phase modulation device, phase modulation device fabrication method, crystallization apparatus, and crystallization method
AU2013363594B2 (en) * 2012-12-18 2017-10-12 Alcon Inc. Method and system for providing an intraocular lens having an improved depth of field
CN106154797B (zh) * 2016-09-09 2018-12-18 京东方科技集团股份有限公司 一种全息显示面板、全息显示装置及其显示方法
CN111650681B (zh) * 2020-06-24 2025-09-09 欧菲微电子(南昌)有限公司 衍射光学元件、tof深度传感器、光学系统及装置
TWM602642U (zh) * 2020-07-30 2020-10-11 大立光電股份有限公司 影像鏡組及智慧型手機
CN112925111A (zh) * 2021-01-15 2021-06-08 艾普偏光科技(厦门)有限公司 一种透射型偏振衍射光栅全息的眼镜镜片及其制备方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006137355A1 (fr) * 2005-06-20 2006-12-28 Riverbell Co., Ltd. Verre à foyer progressif et système de traitement d'image
CN101443689A (zh) * 2006-05-15 2009-05-27 松下电器产业株式会社 衍射摄像透镜和衍射摄像透镜光学系统及使用其的摄像装置
CN102576105A (zh) * 2010-08-19 2012-07-11 松下电器产业株式会社 衍射光栅透镜和使用了它的摄像装置
JP2016218285A (ja) * 2015-05-21 2016-12-22 株式会社リコー レンズユニットおよび撮像装置
CN107483805A (zh) * 2017-10-18 2017-12-15 信利光电股份有限公司 一种摄像装置及电子设备
CN113671618A (zh) * 2021-08-13 2021-11-19 Oppo广东移动通信有限公司 相位板、摄像头模组和移动终端

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