CN203909439U - Liquid-crystal lens electronic grating and naked-eye three-dimensional display equipment - Google Patents
Liquid-crystal lens electronic grating and naked-eye three-dimensional display equipment Download PDFInfo
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- CN203909439U CN203909439U CN201420221842.5U CN201420221842U CN203909439U CN 203909439 U CN203909439 U CN 203909439U CN 201420221842 U CN201420221842 U CN 201420221842U CN 203909439 U CN203909439 U CN 203909439U
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Abstract
The utility model provides a liquid-crystal lens electronic grating and naked-eye three-dimensional display equipment comprising the same. The liquid-crystal lens electronic grating comprises a liquid crystal layer, a controller, and a conductive layer disposed at one side of the liquid crystal layer. The conductive layer comprises M groups of electrodes, and each group of electrodes comprises N parallel electrode strips which are arranged at intervals. The controller receives a control signal and switches on a corresponding output circuit according to the control signal, so as to supply a transverse electric field to a group of electrodes which are located at a position of an ordinal number. The ordinal number changes along with the control signal, and M and N are natural numbers which are not less than five. Through the above mode, the transverse electric field is supplied to the electrodes located at the same side of the liquid crystal layer through the controller, thereby enabling liquid crystal materials to generate an effect of a liquid crystal lens. Moreover, when the control signal received by the controller changes, the controller controls other output-end circuits to be connected, so as to change the center of the liquid crystal lens.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of liquid crystal lens electrical grating and bore hole stereoscopic display device.
Background technology
In current grating technology, preparing grating well after, the position of grating light and shade striped will be fixed, this has brought inconvenience to our work, especially when utilizing parallax barrier technology to realize stereo-picture demonstration, because the position of grating light and shade striped is uncontrollable, can only limit spectators' eyes and just can watch 3D rendering effect in certain particular range, affected the application of parallax barrier stereo display technique in life.
Utility model content
For solving the problems of the technologies described above, the bore hole stereoscopic display device that the utility model is mainly to provide a kind of liquid crystal lens electrical grating and comprises this liquid crystal lens electrical grating, one group of electrode strip by identical ordinal position place in the electrode group to repeating to arrange provides voltage, make to produce transverse electric field between corresponding electrode strip, make liquid crystal material produce ladder refractive index, thereby make liquid crystal material between corresponding electrode form the effect of similar liquid crystal lens eyeglass, and when the control signal receiving at controller changes, the position ordinal number of powered electrode changes thereupon and then can change the center of liquid crystal lens.
For solving the problems of the technologies described above, the first technical scheme that the utility model adopts is to provide a kind of liquid crystal lens electrical grating, comprising:
The first glass plate;
The second glass plate;
Liquid crystal layer, is arranged between the first glass plate and the second glass plate;
Conductive layer, is arranged at the first glass-board surface on the surface of liquid crystal layer, comprises the electrode that M group repeats to arrange, and every group of electrode comprises the identical electrodes bar that N bar parallel interval is arranged;
Controller, described controller comprises a control signal input end and N output terminal, in every group of electrode the 1st electrode strip be electrically connected on the 2nd output terminal that the 1st output terminal of controller, the 2nd electrode strip be electrically connected on controller ... N electrode strip is electrically connected on N output terminal of controller, controller is controlled an output terminal output voltage signal according to the control signal receiving, when control signal changes, the voltage output end that controller is selected is corresponding changing also, wherein, M and N are not less than 5 natural number.The refractive index that the utility model utilizes transverse electric field to change liquid crystal material forms stepped index distribution, and then can make liquid crystal material form the effect of liquid crystal lens, and can change by controller the center of liquid crystal lens.
In an embodiment of the present utility model, be selected in N=10.
In a preferred embodiment of the present utility model, the bus of selection is indium tin metal oxide ITO electrode strip.
In preferred embodiment of the present utility model, the width of the electrode strip of employing is a, and the width of the insulation secret note between adjacent two electrode strips is b, a >=5b.
For solving the problems of the technologies described above, the second technical scheme that the utility model adopts is to provide a kind of bore hole stereoscopic display device that comprises liquid crystal lens electrical grating, comprising:
Display part;
The liquid crystal lens electrical grating that the utility model the first technical scheme provides, is arranged on the travel path of display part emergent ray;
Human eye tracking part, for absorbing position of human eye image;
Control signal generating unit, is electrically connected to the control signal input end of human eye tracking part and liquid crystal electron grating, for generating control signal transmission of control signals according to position of human eye image to the control signal input end of liquid crystal lens electrical grating.
The described display part of bore hole stereoscopic display device of the present utility model is televisor display part.
The described display part of bore hole stereoscopic display device of the present utility model is Digital Image Display portion of projector.
The beneficial effects of the utility model are: the situation that is different from prior art, liquid crystal lens electrical grating of the present utility model and comprise the bore hole stereoscopic display device of this liquid crystal lens electrical grating, the refractive index that provides transverse electric field to change liquid crystal material by the electrode to being arranged in liquid crystal layer the same side forms stepped index distribution, and then can make liquid crystal material form the effect of liquid crystal lens, and can change by controller the center of liquid crystal lens.
Accompanying drawing explanation
Fig. 1 is the easy structure schematic diagram of the embodiment of liquid crystal lens electrical grating of the present utility model.
Embodiment
Refer to Fig. 1, Fig. 1 is the easy structure schematic diagram of an embodiment of liquid crystal lens electrical grating of the present utility model.As shown in Figure 1, the liquid crystal lens electrical grating 10 of the present embodiment comprises the first glass plate 11, the second glass plate 12, liquid crystal layer 13, conductive layer 14 and controller 15.
In the present embodiment, liquid crystal layer 13 is arranged between the first glass plate 11 and the second glass plate 12, conductive layer 14 is arranged at the first glass plate 11 on the surface of liquid crystal layer 14, comprise the electrode that M group repeats to arrange, every group of electrode comprises the identical electrodes bar 141 that N bar parallel interval is arranged, wherein, M and N are not less than 5 natural number.
In the present embodiment, controller 15 comprises a control signal input end and N output terminal, in every group of electrode the 1st electrode strip be electrically connected on the 2nd output terminal that the 1st output terminal of controller 15, the 2nd electrode strip 141 be electrically connected on controller 15 ... N electrode strip 141 is electrically connected on N output terminal of controller 15, controller 15 is controlled the closed output voltage signal of a circuit of output terminal switch according to the control signal receiving, when control signal changes, the voltage output end that controller 15 is selected also changes accordingly.
In the present embodiment, controller 15 is by being controlled at the switch receiving after control signal between electrode corresponding in closed corresponding output terminal and electrode layer.Because electrode strip is arranged at the same side of liquid crystal layer 14, make to transmit between the electrode that has voltage signal and produce transverse electric field, make the liquid crystal material in the transverse electric field between two electrodes produce ladder index distribution, thereby make liquid crystal material between two corresponding electrodes form the effect of similar liquid crystal lens eyeglass, and when the control signal receiving at controller changes, controller is controlled the circuit turn-on between the electrode that other output terminal is answered in contrast accordingly and then can be changed the center of liquid crystal lens.
In preferred embodiment of the present utility model, can select N=10, also can need to select other suitable natural numbers according to concrete.Wherein, in embodiment of the present utility model, preferably bus is ITO electrode strip.Width at electrode strip is preferably a, and the width of the insulation secret note between adjacent two electrode strips is b, a >=5b, and parameter can be made corresponding change according to concrete needs certainly, and the utility model does not limit this.
For solving technical matters of the present utility model, the second technical scheme that the utility model provides is to provide a kind of bore hole stereoscopic display device that comprises above-mentioned liquid crystal lens electrical grating.In the present embodiment, bore hole stereoscopic display device is display part, human eye tracking part, control signal generating unit also, and wherein, liquid crystal lens electrical grating is arranged on the travel path of display part emergent ray; Human eye tracking part is used for absorbing position of human eye image; Control signal generating unit, is electrically connected to the control signal input end of human eye tracking part and liquid crystal electron grating, for generating control signal transmission of control signals according to position of human eye image to the control signal input end of liquid crystal lens electrical grating.
In a preferred embodiment of the present utility model, the display part that display part is televisor, so this bore hole stereoscopic display device is bore hole stereo TV system.
In another preferred embodiment of the present utility model, display part is Digital Image Display portion of projector, and this bore hole stereoscopic display device is bore hole stereo projector accordingly.
In other embodiment of the present utility model, this bore hole stereoscopic display device that comprises liquid crystal lens electrical grating can be also other display equipment, and the utility model does not limit this.
Stereoscopic display device of the present utility model utilizes camera to follow the trail of human eye positional information, so utilize control module according to the change of position of human eye information realization stop position to adapt to two different observation places of people, realize the effect of watching 3D rendering.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a liquid crystal lens electrical grating, is characterized in that, described liquid crystal lens electrical grating comprises:
The first glass plate;
The second glass plate;
Liquid crystal layer, is arranged between the first glass plate and the second glass plate;
Conductive layer, is arranged at the first glass-board surface on the surface of liquid crystal layer, comprises the electrode that M group repeats to arrange, and every group of electrode comprises the identical electrodes bar that N bar parallel interval is arranged;
Controller, described controller comprises a control signal input end and N output terminal, in every group of electrode the 1st electrode strip be electrically connected on the 2nd output terminal that the 1st output terminal of controller, the 2nd electrode strip be electrically connected on controller ... N electrode strip is electrically connected on N output terminal of controller, controller is controlled an output terminal output voltage signal according to the control signal receiving, when control signal changes, the voltage output end that controller is selected is corresponding changing also, wherein, M and N are not less than 5 natural number.
2. liquid crystal lens electrical grating according to claim 1, is characterized in that, described N=10.
3. liquid crystal lens electrical grating according to claim 1, is characterized in that, described bus is ITO electrode strip.
4. liquid crystal lens electrical grating according to claim 1, is characterized in that, the width of described electrode strip is a, and the width of the insulation secret note between adjacent two electrode strips is b, a >=5b.
5. a bore hole stereoscopic display device, is characterized in that, described bore hole stereoscopic display device comprises:
Display part;
Liquid crystal lens electrical grating described in claim 1-4 any one, is arranged on the travel path of display part emergent ray;
Human eye tracking part, for absorbing position of human eye image;
Control signal generating unit, is electrically connected to the control signal input end of human eye tracking part and liquid crystal electron grating, for generating control signal transmission of control signals according to position of human eye image to the control signal input end of liquid crystal lens electrical grating.
6. bore hole stereoscopic display device according to claim 5, is characterized in that, described display part is televisor display part.
7. bore hole stereoscopic display device according to claim 5, is characterized in that, described display part is Digital Image Display portion of projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221842.5U CN203909439U (en) | 2014-04-30 | 2014-04-30 | Liquid-crystal lens electronic grating and naked-eye three-dimensional display equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221842.5U CN203909439U (en) | 2014-04-30 | 2014-04-30 | Liquid-crystal lens electronic grating and naked-eye three-dimensional display equipment |
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| Publication Number | Publication Date |
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| CN203909439U true CN203909439U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420221842.5U Ceased CN203909439U (en) | 2014-04-30 | 2014-04-30 | Liquid-crystal lens electronic grating and naked-eye three-dimensional display equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165156A1 (en) * | 2014-04-30 | 2015-11-05 | 深圳市亿思达科技集团有限公司 | Electronic grating for liquid crystal lens and naked eye 3d display device |
-
2014
- 2014-04-30 CN CN201420221842.5U patent/CN203909439U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165156A1 (en) * | 2014-04-30 | 2015-11-05 | 深圳市亿思达科技集团有限公司 | Electronic grating for liquid crystal lens and naked eye 3d display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN YISIDA TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN ESTA DISPLAY TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Patentee after: SHENZHEN ESTAR DISPLAYTECH CO., LTD. Address before: 518000, District, Shenzhen, Nanshan District high tech Zone, Southern District, B1 digital technology park, building 2, C Patentee before: Shenzhen Esta Display Technology Co., Ltd. |
|
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20151228 Decision number of declaring invalidation: 27762 Granted publication date: 20141029 |