[go: up one dir, main page]

WO2020045916A1 - Système optique hmd de transmission comportant un moyen de vision vers l'avant de type périscope - Google Patents

Système optique hmd de transmission comportant un moyen de vision vers l'avant de type périscope Download PDF

Info

Publication number
WO2020045916A1
WO2020045916A1 PCT/KR2019/010831 KR2019010831W WO2020045916A1 WO 2020045916 A1 WO2020045916 A1 WO 2020045916A1 KR 2019010831 W KR2019010831 W KR 2019010831W WO 2020045916 A1 WO2020045916 A1 WO 2020045916A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical system
image
light guide
light
reflection
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/KR2019/010831
Other languages
English (en)
Korean (ko)
Inventor
최장호
이상준
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.)
PANOVISION Co Ltd
Original Assignee
PANOVISION Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PANOVISION Co Ltd filed Critical PANOVISION Co Ltd
Publication of WO2020045916A1 publication Critical patent/WO2020045916A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays

Definitions

  • the present invention relates to a transmission type HMD optical system having a periscope front-viewing means. More specifically, the present invention reduces the volume of the optical system to have an appearance design similar to that of ordinary sunglasses, and reduces the weight of the optical system to provide a fit that the user can comfortably wear without a large weight, and provides an image such as an internal reflection curved mirror. It provides an efficient transmission type interactive angle optical system that maximizes the size of the virtual screen by bringing the optical means to the user's eye as close as possible and augments the object in augmented reality by simultaneously increasing the brightness of the virtual screen and the brightness of the external image. The present invention relates to a transmission-type HMD optical system that maximizes the sense and simplifies the assembly process to lower the production cost.
  • Head mounted display is a device that enlarges the virtual image emitted from the high-definition ultra-small display placed in close proximity to the eye through the optical system, and the HMD is blocked so that it is provided through this optical system.
  • the optical system is configured so that the optical system located in front of the user's eyes is composed of transparent or semi-transparent windows so that not only the virtual image but also the external HMD image in front of the user can be superimposed simultaneously. It is called HMD.
  • HMD optical system requires a range that can provide the same image for both eyes even if the pupils are different from each other.
  • the size of the exit pupil increases, more users can view the virtual screen comfortably without the inconvenience of cropping the image.
  • the exit pupil is enlarged, it is located in front of the user's eyes.
  • the transmissive HMD optical system whose main purpose is external use, it tends to reduce the volume and weight of the optical system by excessively reducing the exit pupil size or reducing the size of the virtual screen.
  • Transmissive HMD Optical Sheath Even though it is able to provide the appropriate virtual screen size so that a sufficient amount of information to be provided with all necessary to provide an easy-to-wear transmissive HMD optical system reduces the volume and weight.
  • the refractive index is larger in the material than in the air, so that the virtual screen can be transported with a smaller size than the actual screen size.
  • Light splits the image using the TIR (Total Internal Reflection) principle which cannot penetrate the surface of the material, transfers the image into the light guide, and then emits the image to the air in front of the user's eyes.
  • the conventional see-through optical system uses a half mirror method, in which the polarization splitter is diagonally positioned in the space until the enlarged image reaches the inside of the semi-transparent concave reflector, so that the viewing angle which is the purpose of a typical head mount display is shown.
  • the optical system In order to enlarge the FOV or Eye Box, there is a structural problem in which the optical system must be proportionately increased, and in order to enlarge them, the overall size and weight of the apparatus increases, so that the entire face is worn by the user. There is a problem that can be easily felt because it becomes a pressure factor.
  • PBS Prism is applied as another conventional conventional see-through optical system, and since the image transmission path uses a medium having a high refractive index such as plastic or glass instead of air, an enlarged image is displayed more than air. It is possible to transmit at a small angle, so it is possible to present a transmissive HMD Optic module having a volume smaller than that of the half mirror method, but the image enlargement is limited, it does not reduce the weight, and the weight is heavier, which may cause inconvenience to users. to be.
  • the present invention seeks to provide a user with a transmission type HMD optical system having a periscope front-viewing means.
  • the present invention aims at reducing the volume of the optical system to have an appearance design similar to that of ordinary sunglasses in order to solve the above problems.
  • the present invention is to reduce the weight of the optical system to have a means for providing a user can wear comfortably without a large weight burden.
  • an object of the present invention is to provide an efficient transmission type interactive angle optical system means that can maximize the size of the virtual screen by as close as possible to the user's eye optical means for enlarging an image, such as an internal reflection curved mirror.
  • the present invention aims to maximize the object reinforcement in augmented reality by simultaneously increasing the brightness of the virtual screen and the brightness of the external image.
  • an object of the present invention is to provide a transmission-type HMD optical system that can simplify the assembly process and lower the mass production cost.
  • a transmissive HMD optical system having a periscope front-viewing means comprising: a display panel; A light guide prism which transmits the image light generated by the display panel by total reflection; A convex curved mirror which changes the polarization direction of the image light transmitted from the light guide prism and sends it out through the enlargement and reflection means; And a periscope type light guide for guiding an external image and emitting an image light transmitted from the convex curved mirror toward the eyeball of the user.
  • the convex surface of the convex curved mirror is mirror-coated to reflect all the incident virtual image light inside, and the ⁇ / 4 phase shift film may be attached to the other plane of the convex surface.
  • a PBS film may be attached to the image polarization reflection surface of the light guide prism so as to reflect only a specific polarization component of the image light to be transmitted.
  • the first reflecting surface of the light guide is a reflective coating
  • the second reflecting surface and the third reflecting surface may use total internal reflection without a separate reflecting means.
  • an air gap may be further provided between the light guide prism and the convex curved mirror to support total reflection of the virtual image light on the total reflection surface of the light guide prism.
  • a transmission type HMD optical system having a periscope front-viewing means related to another embodiment of the present invention for achieving the above technical problem, front illumination;
  • An illumination prism for incident the beam of the front illumination;
  • a display panel reflecting the beam of the front illumination to form image light;
  • a light guide prism for transmitting the image light generated by the display panel by a method of polarizing reflection and total reflection;
  • a convex curved mirror which changes the polarization direction of the image light transmitted from the light guide prism and sends it out through the enlargement and reflection means;
  • a periscope type light guide for guiding an external image and emitting an image light transmitted from the convex curved mirror toward the eyeball of the user.
  • the convex surface of the convex curved mirror is mirror-coated to reflect all the incident virtual image light inside, and the ⁇ / 4 phase shift film may be attached to the other plane of the convex surface.
  • a PBS film may be attached to two image polarization reflecting surfaces of the light guide prism so as to reflect only a specific polarization component of the image light to be transmitted.
  • the first reflecting surface of the light guide is a reflective coating
  • the second reflecting surface and the third reflecting surface can use the total internal reflection without a separate reflecting means.
  • the air gap may further include an air gap between the light guide prism and the convex curved mirror to support total reflection of the virtual image light in the total reflection surface of the light guide prism.
  • the present invention can provide a user with a transmissive HMD optical system having a periscope forward look means.
  • the transmissive HMD optical system having a periscope front-viewing means has a total reflection structure which is an efficient image transmission means to maximize the size of the virtual screen in the state as close as possible to the thinner prism and the user's eyeball.
  • a total reflection structure which is an efficient image transmission means to maximize the size of the virtual screen in the state as close as possible to the thinner prism and the user's eyeball.
  • the transmission type HMD optical system having a periscope forward looking means can maximize the object augmentation in augmented reality by simultaneously increasing the brightness of the virtual screen and the brightness of the external image.
  • FIG. 1 is a view for explaining a conventional see-through optical system using a half mirror method.
  • FIG. 2 is a view for explaining a conventional See-through optical system using a PBS Prism method.
  • Figure 3 shows an example of a transmissive HMD optical system having a periscope front view means proposed by the present invention.
  • FIG. 4 is a view for explaining the angle of incidence and the angle of refraction in relation to the present invention.
  • 5 is a view for explaining the total reflection structure applied to the present invention.
  • FIG. 6 is a view for explaining the total reflection structure for reducing the volume and weight according to the present invention.
  • FIG. 7 is a view for explaining a concentric circle structure for a transmission-type HMD optical system applied to the present invention.
  • FIG. 8 illustrates an example of a transmissive HMD optical system having a periscope front-viewing means according to another embodiment of the present invention.
  • FIG. 1 is a view for explaining a conventional see-through optical system using a half mirror method.
  • the spectacle display device shown in FIG. 1 is disclosed in Korean Patent No. 10-0928226, a display element 10 for emitting image light, a polarization separator 11 for reflecting only a specific polarization among light emitted from the micro display panel, A phase retardation plate 12 for converting the linearly polarized light reflected by the polarization splitter into circularly polarized light or converting the incident circularly polarized light into linearly polarized light, and expanding the circularly polarized light that has passed through the phase retardation plate 12 again.
  • An optical transmissive concave reflector 13 which is sent to the phase retardation plate 12 and an optical open / close switch panel 14 attached to an outer surface of the transflective concave reflector to open and close ambient light; It consists of a system.
  • the image light generated by the display device 10 by the above configuration is P-wave or S-wave property of the whole image light in the 90-degree direction by the polarization separator 11 disposed at an inclination of 45 degrees to the display device 10. Only 50% of the beams are transmitted or reflected to reach the phase retardation plate 12, and the linearly polarized image light in the phase retardation plate 12 is converted into circularly polarized light and reaches the transflective concave reflector 13 and then is reflected. And the circular polarization state of opposite rotation direction passes through the phase delay plate 12 and the polarization separator 11 to reach the user's eye to view the virtual image enlarged in the transflective concave reflector 13. In addition, since there is no lens that obstructs the field of view, the external image may be simultaneously viewed.
  • the viewing angle which is the purpose of a conventional head mount display ( In order to enlarge the FOV) or the Eye Box, there is a structural problem that the optical system must be proportionately increased, and in order to enlarge them, the overall size and weight of the apparatus increases, and the user presses the entire face when worn by the user. There is a problem that can be easily felt because it becomes a factor.
  • FIG. 2 is a view for explaining a conventional See-through optical system using a PBS Prism method.
  • the display device 20 emits image light, and the light disposed on the front of the display panel and emitted from the display.
  • a first prism 21 for injecting light into the optic module a polarizing beam splitter (PBS) film 211 attached to a slope of the first prism 21, and a second unit integrated on the bottom surface of the PBS film
  • a transmissive HMD device comprising a prism 22, a phase shift film 221 attached to the second prism with an adhesive, and a convex curved surface 23 coupled to and integrated with a lower surface of the phase shift film 221 to be integrated. It consists of a system.
  • Image light emitted from the display device 20 by the above configuration is incident to the Optic module through the first prism, and is attached to the slope of the first prism 21 to select and transmit only a specific polarization beam PBS film
  • the polarization direction of the beam is shifted by ⁇ / 4 by the phase shift film 221 is transmitted to the convex curved mirror,
  • the phase shift film 221 is passed again, and the phase shift is increased by another ⁇ / 4.
  • the virtual image is enlarged in the direction of the user's eye by reflecting the first image light through the PBS film that does not pass through the PBS film that passed through the initial PBS film.
  • the user can experience augmented reality because the external image can be viewed simultaneously through the combined first prism 21 and the second prism 22.
  • the image transmission passage can transmit an enlarged image at an angle less than that of air, thereby reducing the volume of the image transmission passage.
  • Transmissive HMD Optic module can be proposed, but the image enlargement is limited, it does not reduce the weight, but rather the weight is heavier, which may cause inconvenience to users.
  • the conventional See-through optical system described above uses a half mirror method.
  • the polarization separator is diagonally positioned in the space until the enlarged image reaches the inside of the semi-transparent concave reflector, and thus, a typical head mounted display
  • FOV objective field of view
  • eye box eye box
  • PBS Prism is applied as another conventional conventional see-through optical system, and since the image transmission path uses a medium having a high refractive index such as plastic or glass instead of air, an enlarged image is displayed more than air. It is possible to transmit at a small angle, so it is possible to present a transmissive HMD Optic module having a volume smaller than that of the half mirror method, but the image enlargement is limited, it does not reduce the weight, and the weight is heavier, which may cause inconvenience to users. to be.
  • the present invention is to provide a user with a transmission-type HMD optical system having a periscope forward-looking means in order to solve the above problems.
  • the present invention aims to reduce the volume of the optical system to have an appearance design similar to that of ordinary sunglasses.
  • the present invention is to reduce the weight of the optical system to have a means for providing a user can wear comfortably without a large weight burden.
  • an object of the present invention is to provide an efficient transmission type interactive angle optical system means that can maximize the size of the virtual screen by as close as possible to the user's eye optical means for enlarging an image, such as an internal reflection curved mirror.
  • the present invention aims to maximize the object reinforcement in augmented reality by simultaneously increasing the brightness of the virtual screen and the brightness of the external image.
  • an object of the present invention is to provide a transmission-type HMD optical system that can simplify the assembly process and lower the mass production cost.
  • Figure 3 shows an example of a transmissive HMD optical system having a periscope front view means proposed by the present invention.
  • a transmissive HMD optical system having a periscope front-viewing means of the present invention for achieving the above technical problem is transmitted to the display panel unit 30 by a method of total reflection of image light generated from the display panel.
  • the light guide prism 31 and the convex curved mirror 32 which changes the polarization direction of the image transmitted from the light guide prism 31 and returns the image by using the enlargement and reflection means, and guides the external image.
  • the periphery curved mirror may include a periscope type light guide 33 for outputting an image in the direction of the eyeball of the user.
  • the convex surface 322 of the convex curved mirror 32 is mirror-coated to reflect all the incident virtual image light inside, and the other plane 321 may be attached to the ⁇ / 4 phase shift film have.
  • a PBS film may be attached to the image polarization reflecting surface 311 of the light guide prism 31 so as to reflect only a specific polarization component of the transmitted image light.
  • the first reflecting surface 331 of the light guide 33 is a reflective coating
  • the second reflecting surface 332 and the third reflecting surface 333 may use the total internal reflection without a separate reflecting means.
  • an air gap may be provided between the light guide prism 31 and the convex curved mirror 32 so that total reflection of the virtual image light occurs smoothly on the total reflection surface 311 of the light guide prism 31.
  • the image light generated by the display element 30 according to the above-described configuration of the present invention is incident on the light guide prism 31 and totally reflected on the total reflection surface 311 and then attached to the opposite surface 312.
  • Specific polarization component is reflected by the polarization, and the polarization direction of the beam is shifted by ⁇ / 4 by the phase shift film 321 attached to the plane of the convex curved mirror 32 and transmitted to the convex curved mirror 32. do.
  • the enlarged virtual image guided to the eyeball direction of the user through the light guide prism 31 and the external image guided through the light guide 33 of the periscope structure may be merged and provided to the user at the same time.
  • FIG. 4 is a view for explaining an incident angle and a refractive angle in relation to the present invention.
  • Equation 1 when two media having different refractive indices of n1 and n2 contact each other, the path of light passing through the media is bent due to different luminous fluxes, and the degree of rotation is expressed in degrees on the plane of incidence of light. ⁇ 1 and ⁇ 2, and Snell's law is defined as in Equation 1 below.
  • FIG. 5 is a view for explaining the total reflection structure applied to the present invention.
  • the critical angle refers to the minimum necessary angle for the light not to penetrate through the material to be internally reflected and continue to the inside of the material, and in the case of plastic or glass, normal to the surface. It is about 42 ⁇ 43 °.
  • TIR total internal reflection
  • Typical products that use total reflection of light include optical fiber and light pipe, and the light guide is a path using total reflection of light.
  • FIG. 6 is a view for explaining the total reflection structure for reducing the volume and weight according to the present invention.
  • FIG. 6 is a view illustrating a comparison of the structure of the transmission type HMD optical system of the prior art for making the same viewing angle and the structure of the transmission type HMD optical system to reduce the volume and weight by using the total reflection proposed in the present invention.
  • the angle of the reflective inclined plane can be reduced to a minimum level according to the viewing angle, so that the thickness of the optical system is significantly thinner than that of the conventional optical system.
  • the viewing angle can be maximized by minimizing the distance to the user's eye and reflecting surface for final magnification of the image.
  • FIG. 7 is a view for explaining a concentric circle structure for a transmission-type HMD optical system applied to the present invention.
  • FIG. 7 a window principle of a concentric circle structure for establishing a transmission-type HMD optical system for recognizing an external image, and a structure combined with a light guide prism by applying this principle in the present invention is shown.
  • the window having the curvature of the concentric circle structure shown in FIG. 7 (b) is capable of clear external image recognition because the external image passes through the emission surface and is made of parallel light again.
  • (c) of FIG. 7 deforms the window of the concentric circle structure shown in (b) of FIG. 7 and introduces a light guide prism using total reflection inside the concentric circle structure window to simultaneously recognize the external image and the virtual image. So that users can use augmented reality.
  • the image light generated by the display element 30 is incident on the light guide prism 31 and totally reflected on the total reflection surface 311. Afterwards, a specific polarization component is reflected by the PBS film attached to the opposite surface 312, and the polarization direction of the beam is ⁇ / 4 by the phase shift film 321 attached to the plane of the convex curved mirror 32. Displaced and transmitted to the convex curved mirror 32.
  • the enlarged virtual image guided to the eyeball direction of the user through the light guide prism 31 and the external image guided through the light guide 33 of the periscope structure may be merged and provided to the user at the same time.
  • the present invention reduces the volume of the optical system to have an appearance design similar to that of ordinary sunglasses, and reduces the weight of the optical system to provide a comfortable fit for the user to wear comfortably without heavy weight, and to enlarge an image such as an internal reflection surface mirror It provides an efficient transmission type interactive angle optical system that can maximize the size of the virtual screen by bringing the means as close as possible to the user's eyeball. In addition, it is possible to provide a user with a transmission HMD optical system that can simplify the assembly process and lower the production cost.
  • FIG. 8 illustrates an example of a transmissive HMD optical system having a periscope front-viewing means according to another embodiment of the present invention.
  • FIG. 8 Another embodiment of a transmissive HMD optical system having a total reflection structure of the present invention shown in FIG. 8 relates to a transmissive HMD optical system having a periscope front-facing means using an LCOS display having front illumination.
  • a periscope type light guide 85 for guiding an external image and outputting an image in the direction of the eyeball of the user from the virtual screen enlarged in the convex curved mirror.
  • the convex surface 842 of the convex curved mirror 84 is mirror-coated to reflect all the incident virtual image light inside, and the other plane 841 may be attached to the lambda / 4 phase shift film have.
  • a PBS film may be attached to the two image polarization reflecting surfaces 831 and 833 of the light guide prism 83 so as to reflect only a specific polarization component of the transmitted image light.
  • first reflective surface 851 of the light guide 85 has a reflective coating
  • second reflective surface 852 and the third reflective surface 853 may use total internal reflection without a separate reflective means.
  • an air gap may be provided between the light guide prism 83 and the convex curved mirror 84 so that total reflection of the virtual image light occurs smoothly at the total reflection surface 832 of the light guide prism 83.
  • the image light emitted from the front light 80 and generated by the display element 82 is incident on the light guide prism 81 and attached to the PBS film attached to the first inclined surface 831. After the light of the specific polarization component is reflected, it is totally internally reflected at the total reflection surface 832.
  • phase shift is reflected again by the PBS film attached to the opposite inclined surface 833, and the magnified image obtained without the beam loss through the internal mirror reflection of the curved surface 842 of the convex mirror 84 is again phase shifted.
  • phase shift is performed by another ⁇ / 4.
  • the first PBS reflection image light is finally displaced by ⁇ / 2 to pass through the PBS film instead of reflection, and the enlarged virtual image guided to the eyeball direction of the user through the light guide prism 83 External images derived through the light guide 85 of the periscope structure may be merged and provided to the user at the same time.
  • the transmission type HMD optical system having the periscope front-viewing means according to the present invention is applied, it is possible to reduce the volume of the optical system to have an appearance design similar to that of ordinary sunglasses.
  • the transmissive HMD optical system having a periscope forward-looking means has a total reflection structure which is an efficient image transmission means to maximize the size of the virtual screen in the state as close as possible to the thinner prism and the user's eyeball.
  • a total reflection structure which is an efficient image transmission means to maximize the size of the virtual screen in the state as close as possible to the thinner prism and the user's eyeball.
  • the transmission type HMD optical system having a periscope forward looking means can maximize the object augmentation in augmented reality by simultaneously increasing the brightness of the virtual screen and the brightness of the external image.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

La présente invention concerne un système optique HMD de transmission comportant un moyen de vision vers l'avant de type périscope. Plus spécifiquement, la présente invention concerne un système optique HMD de transmission pouvant réduire le volume du système optique de façon à avoir une conception extérieure similaire à celle de lunettes de soleil normales, réduire le poids du système optique de telle sorte qu'un utilisateur peut porter confortablement le système optique sans la charge d'un poids important, fournir un moyen de système optique de grand angle de vision de transmission efficace, qui peut maximiser la taille d'un écran virtuel en permettant à un moyen optique destiné à agrandir une image, telle qu'un miroir à surface incurvée à réflexion interne, de se rapprocher au maximum des globes oculaires de l'utilisateur, maximiser une sensation d'augmentation d'objet dans une réalité augmentée en augmentant à la fois la luminosité de l'écran virtuel et la luminosité d'une image externe, et réduire les coûts de production de masse en simplifiant un processus d'assemblage.
PCT/KR2019/010831 2018-08-27 2019-08-26 Système optique hmd de transmission comportant un moyen de vision vers l'avant de type périscope Ceased WO2020045916A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180100526A KR102080998B1 (ko) 2018-08-27 2018-08-27 잠망경 방식의 전방 주시 수단을 갖는 투과형 hmd 광학시스템
KR10-2018-0100526 2018-08-27

Publications (1)

Publication Number Publication Date
WO2020045916A1 true WO2020045916A1 (fr) 2020-03-05

Family

ID=69637084

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/010831 Ceased WO2020045916A1 (fr) 2018-08-27 2019-08-26 Système optique hmd de transmission comportant un moyen de vision vers l'avant de type périscope

Country Status (2)

Country Link
KR (1) KR102080998B1 (fr)
WO (1) WO2020045916A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114236852A (zh) * 2022-01-20 2022-03-25 上海理湃光晶技术有限公司 一种光学显示装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040002392A (ko) * 2001-04-27 2004-01-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 컴팩트 디스플레이 디바이스
KR20120131359A (ko) * 2011-05-25 2012-12-05 삼성전자주식회사 릴레이 렌즈들이 생략된 영상투사장치
KR101361096B1 (ko) * 2012-12-10 2014-02-12 (주)그린광학 투과형 헤드마운트 디스플레이 광학시스템
JP2015121793A (ja) * 2004-03-29 2015-07-02 ソニー株式会社 表示装置
KR20170021393A (ko) * 2015-08-17 2017-02-28 (주)그린광학 도파로를 이용한 헤드마운트 디스플레이용 광학계

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1100160B1 (fr) 1999-11-10 2007-03-21 Molex Incorporated Ensemble d'un connecteur électrique avec un système de came améliorée
ES2348532T3 (es) 2000-06-05 2010-12-09 Lumus Ltd Dilatador de haces opticos guiado por un sustrato.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040002392A (ko) * 2001-04-27 2004-01-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 컴팩트 디스플레이 디바이스
JP2015121793A (ja) * 2004-03-29 2015-07-02 ソニー株式会社 表示装置
KR20120131359A (ko) * 2011-05-25 2012-12-05 삼성전자주식회사 릴레이 렌즈들이 생략된 영상투사장치
KR101361096B1 (ko) * 2012-12-10 2014-02-12 (주)그린광학 투과형 헤드마운트 디스플레이 광학시스템
KR20170021393A (ko) * 2015-08-17 2017-02-28 (주)그린광학 도파로를 이용한 헤드마운트 디스플레이용 광학계

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114236852A (zh) * 2022-01-20 2022-03-25 上海理湃光晶技术有限公司 一种光学显示装置

Also Published As

Publication number Publication date
KR102080998B1 (ko) 2020-02-24

Similar Documents

Publication Publication Date Title
WO2020045914A1 (fr) Système optique transparent de hmd à structure de réflexion totale
EP3754412B1 (fr) Système portatif de réalité augmentée et dispositif d'affichage en réalité augmentée
US8000020B2 (en) Substrate-guided imaging lens
JP6630678B2 (ja) 小型ヘッドマウント式表示システム
US10073264B2 (en) Substrate-guide optical device
US9025253B2 (en) Optical device having a light transmitting substrate with external light coupling means
US9500869B2 (en) Collimating optical device and system
US20090322653A1 (en) Compact virtual display
US10656421B2 (en) Lightguide structure, optical device and imaging system
CN111465888A (zh) 高效紧凑型头戴式显示系统
WO2017022998A1 (fr) Système optique de visiocasque
WO2023146157A1 (fr) Dispositif optique pour réalité augmentée utilisant un élément optique de polarisation
WO2019221539A1 (fr) Dispositif d'affichage à réalité augmentée
WO2020004850A1 (fr) Système optique intelligent portable utilisant un élément optique d'hologramme
WO2022050519A1 (fr) Système optique de dispositif d'affichage monté sur la tête et dispositif d'affichage monté sur la tête utilisant celui-ci
KR100841246B1 (ko) 헤드 마운트 디스플레이용 광학계
KR100397897B1 (ko) 반사형 디스플레이 조사 시스템
WO2021034096A1 (fr) Dispositif optique pour réalité augmentée à fonction de correction de vision
WO2020045916A1 (fr) Système optique hmd de transmission comportant un moyen de vision vers l'avant de type périscope
WO2023163411A1 (fr) Dispositif optique ayant une plaque de polarisation pour réalité augmentée
WO2021002728A1 (fr) Module appareil photo utilisant un petit réflecteur, et dispositif optique pour réalité augmentée l'utilisant
WO2022014952A1 (fr) Dispositif d'affichage à réalité augmentée
WO2023277495A1 (fr) Affichage pouvant être porté utilisant une lumière à polarisation circulaire
WO2020138669A1 (fr) Dispositif optique pour réalité augmentée
WO2017069346A1 (fr) Dispositif d'agrandissement d'image

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19856099

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 14/07/2021)

122 Ep: pct application non-entry in european phase

Ref document number: 19856099

Country of ref document: EP

Kind code of ref document: A1