CN204807808U - Vertical projection near-eye display module - Google Patents

Abstract

The utility model discloses a vertical projection near-eye display module, which comprises a glasses body; a clamping structure, wherein the clamping structure is provided with a clamping part, a first pivoting part and a second pivoting part, wherein the clamping part is arranged between the first pivoting part and the second pivoting part, and the clamping part is clamped between the pair of frames, wherein the first pivoting part and the second pivoting part are respectively provided with a display device, wherein the display device is provided with a display screen and an optical projection part, wherein the optical projection part is provided with a beam splitter and a concave mirror, wherein the display screen is electrically connected to a display adapter, wherein the display adapter is combined with one of the side frames, and wherein the display adapter is electrically connected to a signal connection line, wherein the utility model adopts the vertical projection mode of the display screen to bring out images, and changes the light and shadow refractive index by the gap arranged between the display screen and the optical projection part, so as to reduce the material usage of the optical projection part, thereby reducing the weight and volume, and preventing the glasses from slipping down.

Description

Vertical projection near-eye display module

technical field

The utility model relates to smart glasses, in particular to a vertical projection near-eye display module which can bring out image shadows through vertical projection to further prevent the glasses from sliding down and covering the sight of human eyes.

Background technique

The near-eye wearable see-through display is an existing device, and U.S. Patent No. US8767305 discloses a "near-eye display device and method", as shown in Figure 1, which includes a head-mounted display 1, the head-mounted display 1 is provided with two side mirror frames 10, two near-eye optical devices 12, and two image sources 11. The pair of near-eye optical devices 12 are respectively provided with two beam splitters 120 and a concave mirror 121.

In this technical solution, the images generated by the pair of image sources 11 from computing devices such as host computers, tablet computers, or smartphones are respectively projected into the pair of near-eye optical devices 12 on the ground, and are respectively passed through the pair of near-eye optical devices 12. The reflection of the beam splitter 120 and the concave mirror 121 enters the line of sight of a pair of eyes 14 of the user, forming an enlarged virtual image in front of the user, and allowing the external scene 13 to penetrate in at the same time. The virtual world image (Virtual Reality, VR) generated by the cloud connection is combined with the user's physical environment image to form an augmented reality (AugmentedReally, AR), such as mobile advertising, mobile navigation, mobile learning, and real-time image and text recognition. translation etc.

Wherein this pair of eyes 14 fronts respectively have this beam splitter 120, and this beam splitter 120 is 45 degree translucent, and the optical image projected by this concave mirror 121, turns 90 degrees and enters the user's eyes 14, so the user's pair of The width of the image seen by the eyes 14 depends on the projection width of the beam splitter 120. When the user wants to see a wider image angle (Field of view, FOV), the FOV is about 15 degrees in principle. The near-eye optical device 12 And the beam splitter 120 will thicken and protrude from the front of the eye 14 to form a larger near-eye optical device 12A and beam splitter 120A, which will cause the head-mounted display 1 to be too heavy and uncomfortable to wear, and will also be too large to block The pair of eyes 14 even sightlines. Therefore, how to improve the above deficiencies is the technical difficulty that the inventor of this case wants to solve.

Utility model content

In view of the deficiencies in the prior art, the purpose of this utility model is to develop a vertical projection near-eye display module that brings out images through vertical projection to further prevent the glasses from sliding down and blocking the sight of the human eye.

In order to achieve the above purpose, the utility model provides a vertical projection near-eye display module, which includes: a glasses body, the glasses body is provided with two frames and two side frames; a clamping structure, the clamping structure The structure is provided with a clamping part, a first shaft connection part and a second shaft connection part, the clamping part is arranged between the first shaft connection part and the second shaft connection part, and the clamping part is clamped on Between the pair of mirror frames, a display device is arranged on the first joint part and the second joint part respectively, and the display device is provided with a display screen and an optical projection part, and the optical projection part is provided with a beam splitter and a concave surface mirror, the display screen is electrically connected to a display adapter, the display adapter is combined on one of the side mirror frames, and the display adapter is electrically connected to a signal connection line.

Preferably, there is a gap between the display screen and the optical projection part, and the signal connection line is electrically connected to a host, the host is provided with a battery, and the display adapter is fixed to one of the display adapters through a clamping part. On the side mirror frame, and the display device is provided with a camera lens, the camera lens is electrically connected to the display adapter, and the display screen is a liquid crystal on silicon display screen, a liquid crystal display screen, an organic light emitting diode display screen, a digital light source processing display screen or quantum dot display screen.

The utility model adopts the vertical projection mode of the display screen to bring out images and shadows, and changes the refractive index of light and shadows through the gap arranged between the display screen and the optical projection part to reduce the material usage of the optical projection part and reduce weight And volume, to further achieve the purpose of preventing the glasses from sliding down and covering the sight of the human eye.

Description of drawings

Fig. 1 is the top view of the application of the existing near-eye wearable see-through display;

Fig. 2 is the three-dimensional schematic diagram of the structure of the preferred embodiment of the utility model;

Fig. 3 is the side view structural representation of the preferred embodiment of the utility model;

Fig. 3A is a side view application schematic diagram of a preferred embodiment of the present invention;

Fig. 3B is a schematic diagram of a structural three-dimensional application of a preferred embodiment of the present invention;

Fig. 3C is a schematic diagram of the side-view action of the near-eye display lifted up in a preferred embodiment of the present invention;

Fig. 4 is a side view schematic diagram of another preferred embodiment of the utility model.

Explanation of reference signs: 1-head-mounted display; 10-side frame; 11-image source; 12, 12A-near-eye optical device; 120, 120A-beam splitter; 12-concave mirror; 13-external scene; 14 -eyes; 2-glasses body; 20-frame; 21-side frame; 22-clamping structure; 220-clamping part; 221-first joint; 222-second joint; 23-display Equipment; 230-display screen; 231-optical projection part; 2310-beam splitter; 2311-concave mirror; 2312-height; 2313-width; 2314-thickness; 24-waterproof flexible signal flat cable; 25-display adapter; 26 -clamping part; 27-signal connection line; 28-camera lens; 3-host; 30-battery; 4-external information picture image; 5-eyes; -ground.

Detailed ways

In order to enable the examiner to clearly understand the content of the utility model, the following descriptions are provided together with the drawings, please refer to them.

As shown in Fig. 2, it is a three-dimensional schematic diagram of the structure of a preferred embodiment of the utility model. The utility model provides a vertical projection near-eye display module, which comprises:

A glasses body 2, the glasses body 2 is provided with two frames 20 and two side frames 21; a clamping structure 22, the clamping structure 22 is provided with a clamping portion 220, a first shaft connection portion 221 and a The second shaft connection part 222, the clamping part 220 is arranged between the first shaft connection part 221 and the second shaft connection part 222, the clamping part 220 is clamped between the pair of mirror frames 20, the first The shaft joint 221 and the second shaft joint 222 are respectively equipped with a display device 23, and the display device 23 is provided with a display screen 230 and an optical projection part 231. The display screen 230 can preferably be a liquid crystal silicon-on-silicon display screen, Liquid crystal display screen, organic light emitting diode display screen, digital light source processing display screen or quantum dot display screen, the optical projection part 231 is provided with a beam splitter 2310 and a concave mirror 2311, the material of the optical projection part 231 can be glass or acrylic Force, the display screen 230 and the concave mirror 2311 are respectively located at the upper and lower positions relative to the one of the mirror frames 20, the display screen 230 is electrically connected to a display adapter 25, and the display adapter 25 is combined with the one of the side mirrors On the frame 21 , the display adapter 25 is electrically connected to a signal connection line 27 . In this embodiment, the display adapter 25 is clamped and fixed on one side of the mirror frame 21 via a clamping portion 26, and the display screens 230 in the two display devices 23 are connected by communication. The display device 23 A camera lens 28 is disposed on it, and the camera lens 28 is electrically connected to the display adapter 25 .

As shown in Fig. 3, it is a side view structural schematic diagram of a preferred embodiment of the utility model. Wherein the signal connection line 27 can be electrically connected to a host 3, the host 3 is provided with a battery 30, in this embodiment the host 3 can receive an external information picture image 4, so that the host 3 can preferably be calculated and output The image information is sent to the electronic device, and the host 3 can be a smart phone, a tablet computer, a desktop host, etc.

FIG. 3A and FIG. 3B are a side view application schematic diagram and a structural three-dimensional application schematic diagram of a preferred embodiment of the present invention. Wherein when the external information picture image 4 enters the host computer 3 and generates image information through calculation, and transmits it to the display adapter 25 through the signal connection line 27, and the display adapter 25 drives the display adapter 25 through the waterproof flexible signal flat cable 24. Display screen 230, the optical travel path of the image sent by the display screen 230 is perpendicular to the ground 100, the front of the eyes 5 is preferably aligned with the translucent beam splitter 2310, the beam splitter 2310 is inclined at 45 degrees, and the concave mirror 2311 The projected optical image turns 90 degrees and enters the user's eye 5. At the same time, the user's eye 5 can see an external scene 6 at the same time. When we want to see a wider image viewing angle (FOV), only It is necessary to increase the width 2313 of the right end and the left end of the display device 23, without increasing the thickness 2314 of the display device 23, and when the thickness 2314 of the display device 23 is about 10-12 mm, the diagonal projection can be produced by vertical projection. The viewing angle FOV is about 26 degrees or more, which is like a 16:9 wide-screen virtual image. The virtual image is preferably equivalent to the image projected by a large-screen smart phone with a distance of 30 cm from the eye 5 and 5.5 inches or more, which is beneficial to reduce usage The weight and the volume that it bears are actually the characteristics of the utility model.

As shown in FIG. 3B and FIG. 3C , FIG. 3C is a schematic diagram of the side-view action of the near-eye display of the preferred embodiment of the present invention being lifted up. Wherein, if the user wears and uses it, the external information picture image 4 continues to pass through the host 3, the display adapter 25 and the display screen 230, so that the display screen 230 continues to project image information, if the user does not want to watch the display device 23 for the time being. For the projected image, the user can lift the display device 23 upward relative to the mirror frame 20 through the first joint part 221 and the second joint part 222, and the projected image of the display device 23 will deviate upwards, which will be convenient for use The eye 5 of the wearer can watch the external scene 6 more clearly. If you want to continue to use it, you only need to press the display device 23 back relative to the mirror frame 20 to watch the image and the image projected by the display device 23 at the same time again. This external scene 6 is actually a feature of the present utility model.

As shown in FIG. 4 , it is a side view structural schematic diagram of another preferred embodiment of the present invention. Wherein between this display screen 230 and this optical projection part 231, be provided with a gap 7, its width is 1mm, this display screen 230 and this optical projection part 231 can be assembled and fixed by a connecting piece 8, and this gap 7 is preferably filled up Air (Air), so the refractive index of the light and shadow projected by the display screen 230 through the gap 7 is 1, so the refractive index can greatly reduce the optical path, so that the height 2312 can be greatly reduced, thereby reducing the overall size of the display device 23. Weight and volume, improving the user's wearing comfort are actually the characteristics of the utility model.

The above discussions are only preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model; therefore, equivalent shapes, structures or combination transformations made within the spirit and scope of the present utility model are all Should be covered within the scope of protection of the present utility model.

Claims (6)

1. the nearly eye display module of perpendicular projection formula, is characterized in that, comprise:

One lens body, this lens body is provided with two picture frames and two side mirror holders;

One clamp structure, this clamp structure is provided with a clamping part, one first axis part and one second axis part, this clamping part is located between this first axis part and this second axis part, this clamping part is held on this between picture frame, a display device is established in this first axis part and this second axis part respectively axle, this display device is provided with a display screen and an optical projection portion, this optical projection portion is provided with a spectroscope and a concave mirror, this display screen is electrically connected a display adapter, this display adapter is incorporated into this wherein on a side mirror holder, this display adapter is electrically connected a signal connecting line.

2. the nearly eye display module of perpendicular projection formula according to claim 1, is characterized in that, is provided with a gap between this display screen and this optical projection portion.

3. the nearly eye display module of perpendicular projection formula according to claim 1, it is characterized in that, this signal connecting line is electrically connected a main frame, and this main frame is provided with a battery.

4. the nearly eye display module of perpendicular projection formula according to claim 1, is characterized in that, this display adapter is clamped and fastened on this wherein on a side mirror holder via a clamping part.

5. the nearly eye display module of perpendicular projection formula according to claim 1, it is characterized in that, this display device is provided with a pick-up lens, and this pick-up lens is electrically connected this display adapter.

6. the nearly eye display module of perpendicular projection formula according to claim 1, it is characterized in that, this display screen is that liquid crystal covers silicon display screen, LCD Panel, organic light-emitting diode (OLED) display screen curtain, digital light processing display screen or quantum dot display screen.