CN202267785U - Naked eye three-dimensional display structure for automatically tracking human eye position - Google Patents

Abstract

The present utility model provides a naked eye three-dimensional display structure for automatically tracking human eye position. The structure comprises a camera, a CPU, a stepping motor, a display control unit, a lens film and a display screen, the camera is connected with the CPU, the CPU is respectively connected with the display control unit and the stepping motor, the display control unit is connected with the display screen, and the stepping motor is connected with the lens film. In the structure, position of a lens can be adjusted according to screen-watching position of users, thus left and right view areas can be automatically changed according to the position of users, three dimensional stereoscopic view areas of users can be enlarged without changing physical structure of the lens, and watching experiences of users can be greatly enhanced.

Description

A kind of bore hole 3-D display structure of automatic tracking position of human eye

[technical field]

The utility model relates to a kind of bore hole 3-D display structure.

[background technology]

3-D display is when last popular technology, and the bore hole 3-D display focus in the focus especially.In existing bore hole dimension display technologies; Lens pillar formula stereoscopic three-dimensional display technique is comparatively ripe; But a big problem that should technology exists be the user when watching 3-D view, the visual angle is limited, in case the effective viewing areas of user's viewing position deviation then can't watch 3-D view; Influenced user experience so greatly, also having limited should technology further development space on market.So user's visible angle when how to increase the demonstration of lens pillar formula stereoscopic three-dimensional is that an extremely has challenge and very significant work.

Lens pillar screen formula stereoscopic three-dimensional image is because the refraction action of lens pillar makes images of left and right eyes only can watch the respective image of A, B projector respectively, thereby produces stereoscopic sensation.

After the sixties in 20th century,, make lens pillar screen formula stereoscopic three-dimensional image technology reach degree of being practical along with the development of technology such as Precision Machining, plastic material, photograph and typography.This kind stereoscopic three-dimensional image is to panel size and unrestricted, and picture is bright, watches easyly, but the registration position of panel and lens pillar is had relatively high expectations, and the sharpness of image also receives the restriction that lens pillar shields density.

Except that the polarization type stereoscopic three-dimensional image; Lens pillar screen formula stereoscopic three-dimensional image is a kind of rather effective method in the present non-holographic optical 3 D 3-D display; Extremely numerous researchers' attention in recent years, and obtained at aspects such as stereotelevisions using widely.Like nineteen ninety-five, just that 40 inches stereoscopic three-dimensional optical projection systems that Japanese Sanyo company releases have adopted through two column mirror screens of improved is technological.A of projector and B are projected to the images of left and right eyes video on two column mirror screens respectively, because the effect of two column mirror screens makes two kinds of videos arrive intelligent's left eye and right eye respectively, the image of this kind stereoscopic three-dimensional optical projection system reaches rather clear and true to nature naturally degree.

Lens pillar (Lenticular Lens) technology also is called as biconvex lens or microtrabeculae lens 3D technology, and its maximum advantage is that its brightness can not be affected.The principle of lens pillar 3D technology is to add the last layer lens pillar in the front of LCDs; Make being positioned on the focal plane of lens of liquid crystal display as the plane; The pixel of the image below each post lens is divided into several subpixels like this, and lens just can be with each sub-pixel of different direction projections like this.So eyes are watched display screen from different angles, just see different sub-pixel.But the gap between pixel also can be exaggerated, and sub-pixel simply therefore can not superpose.Let post lens and the pixel column not be parallel, but have a certain degree.So just can make each group sub-pixel repeat to throw vision area, rather than only throw one group of anaglyph.

Existing lens pillar formula stereoscopic three-dimensional display technique, user's visible angle is little and fixing, big limitations the user's viewing angle, cause great inconvenience and not good user experience to the user.

[summary of the invention]

The technical matters that the utility model will solve is to provide a kind of bore hole 3-D display structure of automatic tracking position of human eye, and it can adjust lens blooming according to user's position, has improved user's viewing experience.

The utility model is achieved in that

A kind of bore hole 3-D display structure of automatic tracking position of human eye; It comprises camera, CPU, stepper motor, indicative control unit, lens blooming, display screen; Said camera is connected to CPU; Said CPU is connected respectively to indicative control unit, stepper motor, and said indicative control unit is connected to display screen, and said stepper motor is connected to lens blooming.

The utlity model has following advantage:

The utility model proposes a kind of bore hole 3-D display structure of automatic tracking position of human eye; The utility model can watch the position of screen that the position of lens blooming is adjusted according to the user; The position that makes left and right sides view area can follow the user changes automatically; Thereby on the basis that does not change the lens physical arrangement, reach the effect of the 3 D stereo view area that extends one's service, this will significantly improve user's viewing and experience; And the utility model is simple in structure, can be used for the hand-held 3 D stereo display device of single user or other single user's large stereo display devices.

[description of drawings]

Combine embodiment that the utility model is further described with reference to the accompanying drawings.

Fig. 1 is that the module of the utility model structure connects synoptic diagram.

Fig. 2 is the workflow synoptic diagram of the utility model.

Fig. 3 is the synoptic diagram of position between user and the display screen.

The synoptic diagram that lens position when Fig. 4 is in middle position for the user and right and left eyes view area distribute.

The synoptic diagram of lens position when Fig. 5 is in middle position for the user and screen relative position.

The synoptic diagram that lens position when Fig. 6 is in the left in the face of screen for the user and right and left eyes view area distribute.

Lens position when Fig. 7 is in the left in the face of screen for the user and the synoptic diagram of screen relative position.

The synoptic diagram that lens position when Fig. 8 is in the face of screen right-hand for the user and right and left eyes view area distribute.

Lens position when Fig. 9 is in the face of screen right-hand for the user and the synoptic diagram of screen relative position.

[embodiment]

See also Fig. 1 to shown in Figure 9, the embodiment of the utility model is carried out detailed explanation.

Like Fig. 1; The bore hole 3-D display structure of a kind of automatic tracking position of human eye of the utility model; It comprises camera 1, CPU2, stepper motor 3, indicative control unit 4, lens blooming 5, display screen 6, and said camera 1 is connected to CPU2, and said CPU2 is connected respectively to indicative control unit 3, stepper motor 4; Said indicative control unit 4 is connected to display screen 6, and said stepper motor 3 is connected to lens blooming 5.

The positional information of said camera 1 charge capture user head, and the user images that includes user's head position information that will collect is transferred to CPU2; Said CPU2 is responsible for coming the position of judges before screen according to the user images that camera 1 is caught, and according to the position of user before screen, stepper motor 3 sends control information; Adjust the physical location of lens blooming 5 on screen after the control information of the said stepper motor 3 responsible CPU2 of reception, left and right sides view area is changed to adapt to user's eyes position; Said lens blooming 5 is responsible for the left and right sides view of display screen 6 is reflected back formation right and left eyes vision area; Said indicative control unit 4 is responsible for that the right and left eyes view information is sent to display screen 6 and is shown; Said display screen 6 is responsible for the right and left eyes view is shown at interval, and scioptics refraction back forms the right and left eyes view area, finally realizes 3 D stereo view effect.

Like Fig. 2, the workflow of the utility model comprises:

1. at first after circuit is started working, the user images that camera 1 will collect screen the place ahead is sent to CPU2;

2.CPU2 after the user images that receives screen the place ahead that camera 1 collects, judge the position of people's face according to existing face recognition algorithms, send corresponding control information then to stepper motor 3, its position to lens blooming 5 is adjusted;

3. said stepper motor 3 turns an angle after the control information that receives CPU2, thereby drives the physical location of adjustment lens blooming 5 on display screen 6, thereby the variation of realization right and left eyes view area is to adapt to user's eyes position; In the whole process, CPU2 disposes the demonstration control that indicative control unit 4 carries out the right and left eyes view all the time simultaneously; Indicative control unit 4 is brought in constant renewal in the right and left eyes view and it is shown on the display screen 6.

Camera 1 constantly is sent to CPU2 with the new user images that collects; And CPU2 also brings in constant renewal in the position that user position information dynamically adjusts lens blooming 5; Constantly repeating step 1 arrives step 3, thereby has realized automatic subscriber Position Tracking and viewing area tracking.

For example:

Like Fig. 3; In the present embodiment; The shooting direction of camera 1 is the place ahead over against display screen 6; So when if the user watches in display screen 6 dead aheads, the user images that camera 1 photographs also will appear in the middle of the image, if the user is watching in the face of the left of screen then can appear at the right-hand of image.

Like Fig. 4, Fig. 5, the user is in towards the centre of display screen 6 at the beginning, and the right and left eyes view area that this moment, corresponding lens blooming 5 formed adapts to user's eyes position.Like Fig. 6, Fig. 7; When the user was in the left in the face of display screen 6, camera 1 collected user images and is sent to CPU2, CPU2 control step motor 3; Thereby adjustment lens blooming 5 is skew left accordingly, and the right and left eyes view area that lens blooming 5 is formed adapts to user's eyes position.Like Fig. 8, Fig. 9; When the user was in the face of display screen 6 right-hand, camera 1 collected user images and is sent to CPU2, CPU2 control step motor 3; Thereby adjustment lens blooming 5 is skew to the right accordingly, and the right and left eyes view area that lens blooming 5 is formed adapts to user's eyes position.

The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.

Claims (1)

1. bore hole 3-D display structure of automatically following the tracks of position of human eye; It is characterized in that: it comprises camera, CPU, stepper motor, indicative control unit, lens blooming, display screen; Said camera is connected to CPU; Said CPU is connected respectively to indicative control unit, stepper motor, and said indicative control unit is connected to display screen, and said stepper motor is connected to lens blooming.

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