CN104035203A - Naked eye 3D display system and method with lossless brightness and adjustable view points - Google Patents
Naked eye 3D display system and method with lossless brightness and adjustable view points Download PDFInfo
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- CN104035203A CN104035203A CN201410304665.1A CN201410304665A CN104035203A CN 104035203 A CN104035203 A CN 104035203A CN 201410304665 A CN201410304665 A CN 201410304665A CN 104035203 A CN104035203 A CN 104035203A
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Abstract
The invention relates to a naked eye 3D display system and method with lossless brightness and adjustable view points. The naked eye 3D display system and method with the lossless brightness and the adjustable view points aim to solve the problem that in an existing 3D display device, brightness loses or view points are nonadjustable. The system comprises an LCD panel, a front-arranged camera, a human eye tracking algorithm processing unit, an image processing system, a liquid crystal lens driving system and a liquid crystal lens. The image processing system receives signals of a video source, the number of the view points of the signals is judged by detecting the signals, then, the image processing system triggers the liquid crystal lens driving system according to the detected number of the view points, the liquid crystal lens driving system sends out sequence voltages corresponding to the number of the view points to drive the liquid crystal lens, the liquid crystal lens is made to generate lens effects corresponding to the number of the view points, and the image processing system processes the signals and then sends the signals to the LCD panel to be displayed. The naked eye 3D display system and method with the lossless brightness and the adjustable view point solve the problem of view point limitation on the 3D content display on 3D displayer hardware, overcome the defects in the existing naked eye 3D technology, and improve the 3D experience of users.
Description
Technical field
The present invention relates to 3D Graphics Processing field, particularly a kind of adjustable bore hole 3D display system and the method for brightness free of losses viewpoint.
Background technology
Along with the development of display technique, the application of 3 d display device is also more and more wider.The stereo display of parallax formula is that optical modulation assembly makes flat-panel screens show that the right and left eyes image of steric information offers respectively beholder's left eye and right eye, and then beholder's brain can be synthetic and perceive and realize stereo display by the two width anaglyphs of obtaining.The glasses constraint of spectacle 3D has been broken away from bore hole stereo display, has improved beholder's comfort level.The implement device of bore hole stereo display generally has two kinds of modes: slit grating formula 3 d display device and lens arra 3 d display device.Wherein the display device of slit grating is by to the blocking of light, and allows left eye, eye image enter respectively left eye and right eye, and luminance loss is just more serious like this.And not loss of the naked-eye stereoscopic display device brightness of lens pillar formula, but cannot realize 2D/3D freely switches, and this 3 d display device can only be play stereo-picture or the video of certain view, and limited the area size of stereos copic viewing, the experience of limited subscriber greatly, has also limited the development of 3D industry simultaneously.
Summary of the invention
In order to overcome in prior art, 3 d display device exists at 2 and loses or watch the nonadjustable problem of pilot, the invention provides the adjustable bore hole 3D display system of a kind of brightness free of losses viewpoint.
The adjustable bore hole 3D display system of a kind of brightness free of losses viewpoint, this system comprises LCD panel, front-facing camera, tracing of human eye algorithm process unit, image processing system, liquid crystal lens drive system and liquid crystal lens, image processing system receives the signal of video source, by the detection to signal, judge the viewpoint number of signal, then image processing system triggers liquid crystal lens drive system according to the viewpoint number detecting, liquid crystal lens drive system is sent the sequence voltage corresponding with viewpoint number and is driven liquid crystal lens, make it produce the lens effect corresponding with viewpoint number, then image processing system by sending to LCD Display panel to the processing of signal.
Described liquid crystal lens comprises and is two-layerly provided with the glass substrate of transparency conducting layer and is clipped in the liquid crystal layer between layer glass substrate, and described glass substrate comprises outer conducting layer, have the inner conducting layer of lens electrode of etching and the insulation course in two conductive layers.Described inner conducting layer is provided with insulation course near a side of liquid crystal layer.The live width of the etching lens electrode of the inner conducting layer of described layer glass substrate is different.The live width of the etching lens electrode of the inner conducting layer of described layer glass substrate can regulate according to stereo display demand.Described layer glass substrate antiparallel friction, frictional direction is vertical with the direction of lens electrode.Described conductive layer adopts transparent metal.
The bore hole 3D display packing that brightness free of losses viewpoint is adjustable, is characterized in that, the method comprises the following steps:
Step 1, image processing system receive the signal of video source, by the detection to signal, judge the viewpoint number of signal;
Step 2, image processing system trigger liquid crystal lens drive system according to the viewpoint number detecting;
Step 3, liquid crystal lens drive system are sent the sequence voltage corresponding with viewpoint number and are driven liquid crystal lens, make it produce the lens effect corresponding with viewpoint number;
Then step 4, image processing system by sending to LCD Display panel to the processing of signal.
Described step 3, lens drive system is given the periodic sequence voltage of inner conducting layer of corresponding live width according to the viewpoint number detecting, give other conductive layer making alives 0v; Lens electrode can be vertical, also can tilt.
Beneficial effect of the present invention is, the new bore hole 3D system that the present invention proposes, by image processing system, receive the signal of video source, by the detection to signal, judge the viewpoint number of signal, then image processing system triggers liquid crystal lens drive system according to the viewpoint number detecting, liquid crystal lens drive system is sent the sequence voltage corresponding with viewpoint number and is driven liquid crystal lens, make it produce the lens effect corresponding with viewpoint number, then image processing system by sending to LCD Display panel to the processing of signal, thereby it is adjustable to realize viewpoint, brightness free of losses, the stereo display that 2D/3D can freely switch, the stereo content that can show different points of view, also can freely switch by 2D/3D simultaneously, solved on three-dimensional display hardware showing the viewpoint restriction of stereo content, overcome the deficiency of existing bore hole 3D technology, the 3D that has improved user experiences.
Accompanying drawing explanation
The bore hole 3D display system of Fig. 1 specific embodiments of the invention;
The liquid crystal lens structure figure of Fig. 2 specific embodiments of the invention;
The optical effect figure of two viewpoint liquid crystal lens of Fig. 3 specific embodiments of the invention when vertical;
Optical effect figure when two viewpoint liquid crystal lens of Fig. 4 specific embodiments of the invention tilt;
The bore hole 3D display system of two viewpoints of Fig. 5 specific embodiments of the invention;
The optical effect figure of five viewpoint liquid crystal lens of Fig. 6 specific embodiments of the invention when vertical;
Optical effect figure when five viewpoint liquid crystal lens of Fig. 7 specific embodiments of the invention tilt;
The bore hole 3D display system of five viewpoints of Fig. 8 specific embodiments of the invention;
The structural drawing of the work of the tracing of human eye bore hole 3D system of Fig. 9 specific embodiments of the invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as related control system, mutual annexation, and implementation method, be described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
The bore hole 3D display system that the present invention proposes, as Fig. 1, comprises LCD panel, front-facing camera, tracing of human eye algorithm process unit, image processing system, liquid crystal lens drive system, liquid crystal lens.Its principle of work is as follows: image processing system 6 receives the signal of video source 5, by the detection to signal, judge the viewpoint number of signal, then image processing system triggers liquid crystal lens drive system 2 according to the viewpoint number detecting, liquid crystal lens drive system is sent the sequence voltage corresponding with viewpoint number and is driven liquid crystal lens, make it produce the lens effect corresponding with viewpoint number, then image processing system by sending to LCD panel 7 to show to the processing of signal, thereby it is adjustable to realize viewpoint, brightness free of losses, the stereo display that 2D/3D can freely switch, brightness can not decline, 2D/3D is changeable refers to that display system is when showing 2D information, liquid crystal lens is not worked, the voltage of all conductive layers is all zero, the 2D information resolution at this time showing is constant, it is the mode of operation of 2D.When display system is when showing 3D information, liquid crystal lens work, be the mode of operation of 3D, thereby it is changeable to have realized 2D/3D.
Embodiment 1 the present invention proposes can compatible different points of view liquid crystal lens structure as shown in Figure 2, comprise top glass substrate 111 and lower glass substrate 101, in the middle of two substrates, accompany liquid crystal layer 106, the friction of upper and lower base plate antiparallel, frictional direction is vertical with the direction of lens electrode, has upper substrate conductive layer 110 and 108 in top glass substrate 111, and wherein 110 is conductive layers of whole, the 108th, there is the lens electrode of etching, design as required 108 live width and line-spacing.Between conductive layer 110 and 108, be insulation course 109, be insulation course 107 on 108 lower surfaces, and insulation course 107 plays the effect of insulation and planarization, can reduce the poor short circuit between upper/lower electrode.On infrabasal plate 101, there is the structure same with upper substrate 111, as whole conductive layer 102 with the lens electrode 104 of etching pattern, insulation course 103 and 105.Wherein 105 and 107 have same effect, and all conductive layers can be ITO, can be also other transparent metals.Lens electrode 108 and 104 live width are different, the demand of the stereo display that for example one of them can corresponding two viewpoints, the stereo display demand that another one can corresponding five viewpoints.But be not limited to the stereo display demand of compatible these two kinds of viewpoints.108 and 104 live width and line-spacing can be that 1:1 can be also 1:2, the number that covers sub-pixel by liquid crystal lens determines that a liquid crystal lens unit needs how many lens electrodes to form, what suppose liquid crystal electrode 108 correspondences is the liquid crystal lens electrode of two viewpoints, and 5 lens electrodes form a liquid crystal lens unit.Liquid crystal electrode 104 correspondences be the liquid crystal lens electrode of five viewpoints, 5 lens electrodes form a liquid crystal lens unit, that five electrodes form a lens unit, the lens unit that five electrodes of two viewpoint correspondences 108 form, the lens unit that five electrodes of five viewpoint correspondences 104 form.
Embodiment 2 is when video source is two viewpoints, after liquid crystal lens drive system receives that image processing system triggers, can be to 108 periodic sequence voltage V1, V2, V3, V4, V5, five electrodes form a lens unit, so sequence voltage is five, and the voltage that these five voltages can be symmetrical, also can be different, sequence voltage is the deflection of liquid crystal molecule generation different directions, and the phase delay that forms parabolic distributes, thereby forms the effect of lens.Lens electrode 104 adds 0v, and conductive layer 110,102 also adds the voltage of 0v simultaneously.By the driving of sequence voltage, form the liquid crystal lens of two viewpoints.If the electrode of liquid crystal lens is if vertical, its optical effect is as Fig. 3, if lens electrode tilts, its optical effect figure is as Fig. 4, in the time of liquid crystal lens drive systems liquid crystal electrode 108, graphic system, in conjunction with the data of tracing of human eye algorithm process unit feedback, sends LCD panel to the two viewpoint signals of handling well, formation can show the bore hole 3D system of two viewpoints, schematic diagram 5.
Embodiment 3 is when video source is five viewpoints, and liquid crystal lens drive system can be given 104 periodic sequence voltage V1, V2, V3, V4, V5 after receiving that image processing system triggers, and the voltage that these five voltages can be symmetrical, also can be different.Lens electrode 108 adds 0v, and conductive layer 110,102 also adds the voltage of 0v simultaneously.By the driving of sequence voltage, form the liquid crystal lens of two viewpoints.If the electrode of liquid crystal lens is if vertical, its optical effect is as Fig. 6, if lens electrode tilts, its optical effect figure is as Fig. 7, in the time of liquid crystal lens drive systems liquid crystal electrode 108, graphic system, in conjunction with the data of tracing of human eye algorithm process unit feedback, sends LCD panel to the five viewpoint signals of handling well, formation can show the bore hole 3D system of five viewpoints, schematic diagram 8.
The framework of embodiment 4 tracing of human eye bore hole 3D system works is as Fig. 9, camera 4 catches the image of people's face, tracing of human eye algorithm process unit 3 judgement beholders' position and number, when being judged as a people, tracing of human eye algorithm process unit 3 can be to 6 one signals of image processing system, image processing system 6 receives after signal, the information of exporting two viewpoints shows to LCD panel 7, trigger liquid crystal lens drive system 2 simultaneously, liquid crystal lens drive system is sent the sequence voltage corresponding with two viewpoint numbers and is driven liquid crystal lens, make it produce the lens effect corresponding with two viewpoints, form the bore hole 3D display system of two viewpoints.When tracing of human eye algorithm process unit 3 is judged as over a people, tracing of human eye algorithm process unit 3 can be to image processing system 6 another signals, image processing system 6 receives after signal, the information of exporting five viewpoints shows to LCD panel 7, trigger liquid crystal lens drive system 2 simultaneously, liquid crystal lens drive system is sent the sequence voltage corresponding with five viewpoint numbers and is driven liquid crystal lens, makes it produce the lens effect corresponding with five viewpoints, forms the bore hole 3D display system of five viewpoints.Thereby realizing viewpoint adjustable (viewing areas is adjustable), brightness free of losses, 2D/3D can freely switch.
The present invention is not limited to above-mentioned specific embodiment; do not departing under spirit of the present invention and real situation thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion; these are tackled mutually the modification that the present invention carries out or are equal to replacement, and it all should be encompassed in the middle of the scope of claim protection of the present invention.
Claims (10)
1. the bore hole 3D display system that brightness free of losses viewpoint is adjustable, it is characterized in that: this system comprises LCD panel, front-facing camera, tracing of human eye algorithm process unit, image processing system, liquid crystal lens drive system and liquid crystal lens, image processing system receives the signal of video source, by the detection to signal, judge the viewpoint number of signal, then image processing system triggers liquid crystal lens drive system according to the viewpoint number detecting, liquid crystal lens drive system is sent the sequence voltage corresponding with viewpoint number and is driven liquid crystal lens, make it produce the lens effect corresponding with viewpoint number, then image processing system by sending to LCD Display panel to the processing of signal.
2. bore hole 3D display system according to claim 1, it is characterized in that: described liquid crystal lens comprises and be two-layerly provided with the glass substrate of transparency conducting layer and be clipped in the liquid crystal layer between layer glass substrate, described glass substrate comprises outer conducting layer, have the inner conducting layer of lens electrode of etching and the insulation course in two conductive layers.
3. bore hole 3D display device according to claim 2, is characterized in that: described inner conducting layer is provided with insulation course near a side of liquid crystal layer.
4. bore hole 3D display device according to claim 2, is characterized in that: the live width of the etching lens electrode of the inner conducting layer of described layer glass substrate is different.
5. bore hole 3D display device according to claim 2, is characterized in that: the live width of the etching lens electrode of the inner conducting layer of described layer glass substrate can regulate according to stereo display demand.
6. according to the bore hole 3D display device described in claim 1 to 5 any one, it is characterized in that: described layer glass substrate antiparallel friction, frictional direction is vertical with the direction of lens electrode.
7. according to the bore hole 3D display device described in claim 1 to 5 any one, it is characterized in that: described conductive layer adopts transparent metal.
8. according to the adjustable bore hole 3D display packing of a kind of brightness free of losses viewpoint described in claim 1 to 7 any one, it is characterized in that, the method comprises the following steps:
Step 1, image processing system receive the signal of video source, by the detection to signal, judge the viewpoint number of signal;
Step 2, image processing system trigger liquid crystal lens drive system according to the viewpoint number detecting;
Step 3, liquid crystal lens drive system are sent the sequence voltage corresponding with viewpoint number and are driven liquid crystal lens, make it produce the lens effect corresponding with viewpoint number;
Then step 4, image processing system by sending to LCD Display panel to the processing of signal.
9. bore hole 3D display packing according to claim 8, is characterized in that: described step 3, lens drive system is given the periodic sequence voltage of inner conducting layer of corresponding live width according to the viewpoint number detecting, give other conductive layer making alives 0v.
10. bore hole 3D display packing according to claim 8, is characterized in that: lens electrode can be vertical, also can tilt.
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