WO2019071518A1 - Display device and electronic device - Google Patents

Abstract

Disclosed are a display apparatus and an electronic apparatus. The display apparatus (100) comprises a lens module (10), an image generation module (20) and an adjustment assembly (30). The image generation module (20) and the lens module (10) are opposingly arranged and movably connected, and a drive shaft (21) is arranged on the image generation module (20). The adjustment assembly (30) comprises a slide rail (31), the slide rail (31) is matched with the drive shaft (21), and the adjustment assembly (30) is used for driving the drive shaft (21) to move along the slide rail (31) so as to adjust the distance between the image generation module (20) and the lens module (10).

Description

Display device and electronic device Technical field

The present invention relates to an adjustment mechanism, and more particularly to a display device and an electronic device.

Background technique

At present, a near-eye display device such as a head-mounted display device amplifies an image on a display screen through a set of precise optical eyepieces, and projects the image on the eye, thereby enabling the wearer to view the enlarged virtual image, but the prior art head-mounted display In the device, there is very little diopter adjustment function that can meet the needs of myopia or hyperopia wearer.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention is required to provide a display device and an electronic device.

A display device according to an embodiment of the present invention includes:

Lens module

An image generating module, the image generating module is oppositely disposed and movably connected to the lens module, and the image generating module is provided with a driving shaft; and

An adjustment assembly including a slide rail that cooperates with the drive shaft, the adjustment assembly for driving the drive shaft to move along the slide rail to adjust the image generation module and the lens module The distance between them.

An electronic device according to an embodiment of the present invention includes: an outer casing and a display device as described above, the display device being housed in the outer casing.

In the display device and the electronic device according to the embodiments of the present invention, the adjustment component can adjust the distance between the image generation module and the lens module, thereby realizing the adjustment of the diopter, thereby being suitable for more users.

Additional aspects and advantages of the invention will be set forth in part in the description which follows. It is apparent from the description or by the practice of the invention.

DRAWINGS

The above described advantages and additional aspects of the present invention will become apparent and readily understood from

1 is a schematic view of an electronic device according to an embodiment of the present invention.

2 is a schematic structural view of a display device according to an embodiment of the present invention.

3 is a cross-sectional view of a display device according to an embodiment of the present invention.

4 is an exploded perspective view of a display device in accordance with some embodiments of the present invention.

Figure 5 is an exploded perspective view of a display device in accordance with some embodiments of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientations of "post", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the present invention and the simplified description, and is not intended to indicate or imply that the device or component referred to has a specific orientation, and is constructed and operated in a specific orientation. Therefore, it should not be construed as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the present invention may be repeated with reference to the numerals and/or reference numerals in the various examples, which are for the purpose of simplicity and clarity, and do not indicate the relationship between the various embodiments and/or arrangements discussed. Moreover, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

Referring to FIG. 1 to FIG. 5 , the electronic device 1000 of the embodiment of the present invention may be a head mounted display device for performing functions such as video playing, games, and the like. The electronic device 1000 can include an earphone and a display assembly. Wherein, the display component comprises an outer casing and a display device 100 housed in the outer casing. Of course, related components such as a circuit and a battery, which are not shown, are also included. The display device 100 includes a lens module 10, an image generation module 20, and an adjustment assembly 30. Generally, for a head mounted display device, the display device 100 includes two lens modules 10, two image generation modules 20, and two adjustment assemblies 30 for use in binoculars. Under The illustration is exemplified by a set of lens modules 10, an image generation module 20, and an adjustment assembly 30.

Specifically, the lens module 10 and the image generation module 20 are oppositely disposed and movably connected. It can be understood that the moving direction of the image generation module 20 faces or faces away from the lens module 10. Generally, the central axis of the image generation module 20 coincides with the optical axis of the lens module 10, and the image generated by the image generation module 20 is projected by the lens module 10 in a predetermined direction. Generally, the projection direction is the direction of the human eye. The adjustment component 30 cooperates with the image generation module 20, so that the adjustment component 30 can adjust the distance between the image generation module 20 and the lens module 20. Specifically, the image generation module 20 is provided with a drive shaft 21, and an adjustment component. The slide rail 31 is disposed on the 30, and the slide rail 31 is matched with the drive shaft 21. The drive shaft 21 is sleeved in the slide rail 31 and can extend the slide rail. The slide rail 31 defines the stroke of the drive shaft 21, that is, the image. The stroke of the relative movement of the module 20 and the lens module 10 is generated. In operation, the driving shaft 21 is driven to act along the slide rail by applying a driving force to the drive shaft 21, thereby causing the image generation module 20 to move. The slide rails 31 may be rectangular or other spline curves, and are not limited herein.

As such, the display device 100 and the electronic device 1000 of the embodiments of the present invention allow the user to adjust the diopter for use by different users. At the same time, the adjustment component 30 and the image generation module 20 cooperate with the slide rail 31 to realize the relative movement of the image generation module 20 and the lens module 10, and the structure is simple, and the cost of manufacturing and assembling the display device 100 is effectively reduced.

In some embodiments, the slide rails 31 are involute. It can be understood that the involute relative to the circumferential curve is gradually changed from the center distance of the adjusting assembly 30, and the adjusting component 30 can drive the driving shaft 31 to drive the image generating module 20 to move along the optical axis direction of the lens assembly 10. Moreover, the adjustment component 30 drives the image generation module 20 to move at a small horizontal distance with a large rotation distance, thereby improving the adjustment precision.

In addition, the adjustment assembly 30 rotationally drives the image generation module 20 to move, effectively reducing the space required for adjustment, thereby reducing the size of the electronic device 1000 in the optical axis direction of the lens assembly 10.

In some embodiments, the lens module 10 includes a lens barrel and a lens assembly. The lens assembly includes one or more lenses. The lens barrel usually has an entrance port and an exit port, and the entrance port faces one side of the image generating module 20. The light entering the entrance port passes through the lens assembly and is refracted and reflected, and finally emerges from the lens. The mouth is shot. Generally, the image generating device 20 includes a display such as an LED display or an OLED display, and the display is disposed on the entrance port. In this way, the light of the image displayed by the display enters the entrance port and is projected by the lens group in a predetermined direction, and the light emitted from the exit port enters the human eye, and the human eye will be able to see the enlarged virtual image of the image displayed by the display.

In some embodiments, the lens module 10 is provided with a latch 12, and the image generating module 20 is provided with a pin hole 22 that cooperates with the latch 12.

The pin 12 and the pin hole 22 can be symmetrically disposed on both sides of the lens module 10 and the image generating module 20, respectively. When the image generating module 20 and the lens module 10 are relatively moved, the pin 12 and the pin hole 22 cooperate to define the module so that the relative motion of the two remains stable without twisting.

In some embodiments, the display device 100 further includes a fixing plate 40 that is fixedly coupled to the lens module 10 .

The fixing plate 40 and the lens module 10 can be fixedly connected by screws, buckles, etc., of course, can also be bonded or the like, and is not limited herein. Specifically, the fixing plate 40 is fixedly coupled to the lens barrel. It can be understood that the user views the image through the lens module 10. Therefore, the relative movement between the lens module 10 and the image generation module 20 is that the lens module 10 is fixed, and the image generation module 20 moves.

Further, in such an embodiment, it can be understood that, in order to enable the image generating module 20 to move, the fixing plate 40 can be provided with a sliding slot 41 corresponding to the image generating module 20, and the driving shaft of the image generating module 20 21 cooperates with the chute 41. Specifically, the drive shaft 21 passes through the chute 41 and the slide rail 31 to cooperate with the slide rail 31.

The fixing plate 40 is fixedly connected to the lens module 10, the lens module 10 is movably connected to the image generating module 20, the image generating module 20 is movably connected to the fixing plate 40, the adjusting component 30 is located on the fixing plate 40, and the lens module 10 is The image generating module 20 is located below the fixing plate 40, or the adjusting component 30 and the image generating module 20 are respectively located at two sides of the fixing plate 40.

In operation, a driving force is applied to the adjusting component 30, and the driving force acts on the driving shaft 21 of the image generating module 20, and the driving shaft 21 drives the image generating module 20 to move horizontally along the optical axis direction of the lens module 10, and the moving stroke It is defined by the slide rail 31 of the adjustment assembly 30 or the chute 41 of the fixed plate 40.

In some embodiments, the upper surface of the fixed plate 40 can be flush. In other examples, the fixing plate 40 may be formed in a stepped shape, wherein the thickness of the fixing plate 40 may be reduced from the side of the lens module 10 toward the side of the image generating module 20 on the basis of ensuring the strength. The smaller thickness side can be used to accommodate the partial adjustment assembly 30, thereby reducing the overall height of the side of the image generation module 20, making the overall electronic device 1000 thinner and lighter.

In some embodiments, the adjustment assembly 30 includes a rotating member 32 having a slide rail 31 open thereon. The fixing plate 40 is further provided with a through hole 42. The rotating member 32 includes a rotating shaft, and one end of the rotating shaft passes through the through hole 42.

The rotating member 32 and the rotating shaft may be integrally formed, or may be manufactured separately and assembled. The rotating member 32 may be a circular disc, the rotating shaft is located at the center of the circular disc and is disposed through the rotating shaft. The sliding rail 31 is opened around the rotating shaft, and the user applies a force through one end of the rotating shaft, and the other end of the rotating shaft passes through the through hole 42 of the fixing plate 40. So that the disc can be rotated in a fixed axis.

In some embodiments, the adjustment assembly 30 further includes a housing 33 that is mounted on the mounting plate 40 and that defines an accommodation space.

In this embodiment, the housing 33 is provided with a second through hole, and the other end of the rotating shaft, that is, one end of the rotating end, is disposed through the second through hole, that is, the first through hole of one end of the rotating shaft is disposed through the fixing plate 40. The other end passes through the second through hole of the housing 33, so that the rotating member 32 is installed in the accommodating space.

Specifically, the housing 33 may include a cover plate, the cover plate is substantially rectangular, and the housing 33 further includes a hook extending from a corner of the cover plate to a direction perpendicular to the cover plate, and the housing 33 is hooked and The fixing plate 40 is fixed. It can be understood that the side of the fixing plate 40 extends outward from the image generating module, and the hook on the extending side can directly fasten the side of the fixing plate 40, and the side of the fixing plate 40 and the lens module 10 is fixed. A corresponding bayonet can be opened, and the hook of the side is fixed to the fixing plate 40 through the bayonet.

The housing 33 can protect the rotating member 32, for example, to prevent foreign matter from falling onto the slide rail provided by the rotating member 32, resulting in abnormal operation.

In some embodiments, the adjustment assembly 30 further includes a knob 34 that is coupled to the rotating member 32 in a rotational axis. Thus, turning the knob will drive the rotating member 32 to rotate, and the rotating member 32 passes through the involute shape. The slide rail 31 drives the drive shaft 21 to move to drive the image generation module 20 to move. The force applied area of the knob 30 is larger than the end of the rotating shaft, which is convenient for the user to operate.

In other examples, the slide rail 31 may also have a rectangular shape, the length of the slide rail 31 is the same as the stroke of the image generation module 20, and the knob 34 may be replaced by a structure such as a push rod.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. The specific features, structures, materials or characteristics described in the embodiments or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims (12)

A display device, comprising: Lens module An image generating module, the image generating module is oppositely disposed and movably connected to the lens module, and the image generating module is provided with a driving shaft; and An adjustment assembly including a slide rail that cooperates with the drive shaft, the adjustment assembly for driving the drive shaft to move along the slide rail to adjust the image generation module and the lens module The distance between them. The display device as claimed in claim 1 , wherein the lens module is provided with a pin, and the image generating module is provided with a pin hole that cooperates with the pin. The display device according to claim 1, wherein the display device further comprises a fixing plate, and the lens module is fixedly connected to the fixing plate. The display device as claimed in claim 3, wherein the fixing plate is provided with a sliding slot, and the driving shaft passes through the sliding slot and the sliding rail to cooperate with the sliding rail. The display device according to claim 3, wherein the lens module comprises a lens barrel and a lens assembly, the lens barrel is fixed to the fixing plate, and the lens assembly comprises at least one lens. A display device according to claim 1, wherein said slide rail is in an involute shape. The display device of claim 3, wherein the adjustment component comprises: a rotating member, the sliding rail is opened on the rotating member; The fixing plate is further provided with a first through hole, and the rotating member includes a rotating shaft, and one end of the rotating shaft is worn The first through hole is provided. The display device according to claim 7, wherein the adjustment assembly further comprises a housing, and the housing mounting cover is disposed on the fixing plate and forms an accommodation space. The display device as claimed in claim 8 , wherein the housing is provided with a second through hole, the other end of the rotating shaft is disposed through the second through hole, and the rotating member is mounted on the receiving Within the space. The display device according to claim 7, wherein said adjustment assembly further comprises a knob, said knob being coupled to said rotating member and said rotating shaft. An electronic device, comprising: Outer casing; and The display device according to any one of claims 1 to 10, wherein the display device is housed in the outer casing. The electronic device of claim 11 wherein said electronic device comprises a head mounted display device.

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