CN203178581U - Three-dimensional (3D) display device - Google Patents
Three-dimensional (3D) display device Download PDFInfo
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- CN203178581U CN203178581U CN 201320216567 CN201320216567U CN203178581U CN 203178581 U CN203178581 U CN 203178581U CN 201320216567 CN201320216567 CN 201320216567 CN 201320216567 U CN201320216567 U CN 201320216567U CN 203178581 U CN203178581 U CN 203178581U
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- photorefractive crystal
- electric field
- display device
- photorefractive
- display panel
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Abstract
The utility model discloses a three-dimensional (3D) display device. The display device comprises a display panel which has a plurality of pixel units arranged in an array, and further comprises a photorefractive crystal mechanism arranged on a light emitting side of the display panel. The photorefractive crystal mechanism includes an electrode structure and a plurality of photorefractive crystals arranged along a row direction of the pixel units. The electrode structure includes electric field sections in one-to-one correspondence with the photorefractive crystals. The photorefractive crystals are arranged in corresponding electric field sections, and photorefractive crystals in alternate columns emit a left-eye image or a right-eye image. According to the utility model, the photorefractive crystals are arranged in the electric field sections of the electrode structure, and the refractive index of the photorefractive crystals in the electric field sections can be adjusted by adjusting the intensity of electric fields in the electric field sections of the electrode structure, so that the photorefractive crystals in alternate columns can emit light towards the left eye or right eye of a viewer, namely the photorefractive crystals in alternate columns can emit a left-eye image or a right-eye image, thereby realizing naked-eye 3D display.
Description
Technical field
The utility model relates to three-dimensional (3D) display technique field, particularly a kind of 3D display device.
Background technology
In daily life, people utilize two eyes to have the extraneous scenery of space multistory sense around observing, three-dimensional (3D) display technique utilizes the binocular stereo vision principle to make the people obtain the three dimensions sense exactly, its cardinal principle is to make beholder's left eye receive different images respectively with right eye, the position difference that is produced by the interpupillary distance between two of the beholders, make two sub-pictures that have " binocular parallax " constitute a pair of " stereo-picture to ", and " stereo-picture to " make the beholder produce stereoscopic sensation after merging via the brain analysis.
At present, the 3D display technique has bore hole formula and spectacle two big classes.So-called bore hole formula by carrying out particular processing at display panel, is independently sent into people's right and left eyes to the 3D video image of handling through coding exactly, thereby makes the user need not can bore hole experience stereo perception by anaglyph spectacles.
At present, realize that the display device that bore hole 3D shows hinders veils such as (Barrier) or grating for optical screen is set in the array of source the place ahead such as LCD (LCD), as raster pattern, lenticule, liquid crystal lens etc.
The utility model content
The utility model provides a kind of 3D display device, and this 3D display device can realize that bore hole 3D shows.
For achieving the above object, the utility model provides following technical scheme:
A kind of 3D display device, comprise display panel, described display panel has a plurality of pixel cells of array distribution, also comprise the photorefractive crystal mechanism that is arranged on display panel exiting surface one side, described photorefractive crystal mechanism comprises electrode structure and a plurality of photorefractive crystal of arranging along the line direction of described pixel cell, described electrode structure has and described photorefractive crystal one to one between electric field region, described photorefractive crystal is positioned between corresponding electric field region, and the photorefractive crystal of row penetrates left-eye image or eye image at interval.
Preferably, the electric field intensity between each described electric field region is adjustable separately.
Preferably, described electrode structure comprises: a plurality of strip electrodes of arranging along the line direction of described pixel cell form between a described electric field region between every two adjacent strip electrodes.
Preferably, described photorefractive crystal and described strip electrode are spaced.
Preferably, in the described electrode structure, each described strip electrode is attached at its adjacent described photorefractive crystal.
Preferably, each described bar shaped photorefractive crystal is along identical perpendicular to the thickness of described display panel exiting surface direction.
Preferably, in a plurality of described photorefractive crystal that the line direction of described pixel cell is arranged, the thickness perpendicular to described display panel exiting surface direction of described photorefractive crystal is diminished to the centre gradually by both sides.
Preferably, described photorefractive crystal mechanism is attached at the exiting surface of described display panel.
Preferably, each described photorefractive crystal is relative with the described pixel cell of row.
Preferably, described photorefractive crystal is barium titanate, potassium niobate or the potassium tantalate-niobate of perovskite structure, perhaps the barium sodium niobate (BNN) of tungsten bronze structure, strontium barium niobate or potassium sodium strontium barium niobate.
The 3D display device that the utility model provides, comprise display panel, described display panel has a plurality of pixel cells of array distribution, also comprise the photorefractive crystal mechanism that is arranged on display panel exiting surface one side, described photorefractive crystal mechanism comprises electrode structure and a plurality of photorefractive crystal of arranging along the line direction of described pixel cell, described electrode structure has and described photorefractive crystal one to one between electric field region, described photorefractive crystal is positioned between corresponding electric field region, and the photorefractive crystal of row penetrates left-eye image or eye image at interval.
Photorefractive crystal is positioned between the electric field region of electrode structure, under the electric field action between electric field region, the charge carrier of photorefractive crystal inside produces drift, and then the refractive index of photorefractive crystal inside correspondingly changes, therefore photorefractive crystal can the correlation light inlet be sold off intracrystalline incident light and is modulated, and, be positioned at the variations in refractive index difference of the photorefractive crystal between the electric field region of different electric field intensity, so the correlation light inlet to sell off the modulating action of intracrystalline incident light also different; Therefore, by regulating the intensity of the electric field in the electrode structure internal electric field interval, can realize the refractive index of photorefractive crystal interior between each electric field region is regulated, and in conjunction with photorefractive crystal at the thickness perpendicular to the exiting surface direction of display panel, realization correlation light inlet is sold off the adjusting of the shooting angle of incident light when penetrating photorefractive crystal of crystal, and then realize that the photorefractive crystal of interval row is with emergent light directive beholder's left eye or right eye, and then the photorefractive crystal of row penetrates left-eye image or eye image at interval, make described left-eye image and eye image converge at diverse location respectively, realize that bore hole 3D shows.
Description of drawings
The structural representation of the 3D display device that Fig. 1 provides for the utility model;
The blast structural representation of the 3D display device that Fig. 2 the utility model provides;
The light modulation principle schematic of photorefractive crystal in the 3D display device that Fig. 3 provides for the utility model;
The bore hole 3D displaying principle synoptic diagram of the 3D display device that Fig. 4 provides for the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the 3D display device that the utility model provides, comprise display panel 1, display panel 1 has a plurality of pixel cells of array distribution, also comprise the photorefractive crystal mechanism 2 that is arranged on display panel 1 exiting surface one side, photorefractive crystal mechanism 2 comprises electrode structure 21 and a plurality of photorefractive crystal of arranging along the line direction a of pixel cell in the display panel 1 22, electrode structure 21 has and photorefractive crystal 22 A between electric field region one to one, photorefractive crystal 22 is positioned at A between corresponding electric field region, and the photorefractive crystal 22 of row penetrates left-eye image or eye image at interval.
Specifically as shown in Figure 4, for ease of describing, specify two adjacent photorefractive crystals 22 to be respectively photorefractive crystal 221 and photorefractive crystal 222, photorefractive crystal 221 and photorefractive crystal 222 are spaced apart, electric field intensity by A between the electric field region of adjusting photorefractive crystal 221 and photorefractive crystal 222 residing electrode structures 21, and then the refractive index of adjustment photorefractive crystal 221 and photorefractive crystal 222, and then make light after 222 refractions of each photorefractive crystal converge right eye B to the observer, and the light after each photorefractive crystal 221 refractions converges the left eye C to the observer, make photorefractive crystal 222 penetrate eye image, and photorefractive crystal 221 penetrates left-eye image, realizes that bore hole 3D shows.
Certainly, in a kind of preferred implementation, for ease of each photorefractive crystal 22 is controlled separately, reached the purpose that more accurate 3D shows, in the electrode structure 21 between each electric field region the electric field intensity of A adjustable separately.
Please continue with reference to figure 1 and Fig. 2, in a kind of embodiment, electrode structure 21 in the above-mentioned 3D display device comprises: the strip electrode that the line direction a of a plurality of pixel cells that have along display panel 1 arranges forms A between an electric field region between every two adjacent strip electrodes.
In the concrete adjustment process, strip electrode in the above-mentioned electrode structure 21 can be spaced apart positive electrode and negative electrode, be in the current potential of each strip electrode, the strip electrode of noble potential and the strip electrode of electronegative potential are spaced, and adjust the height of the concrete current potential of each strip electrode according to the photorefractive crystal 22 in the A between each electric field region, and then adjust electric field intensity in the A between each electric field region, satisfy the demand that bore hole 3D shows, and, can adjust the intensity of the interval A internal electric field of respective electric field by the height of adjusting current potential in each strip electrode, and then the convergent point of the eye image of adjustment photorefractive crystal 222 ejaculations, the convergent point of the left-eye image that penetrates with photorefractive crystal 221, and then satisfy the demand that the observer watches at diverse location.
Particularly, above-mentioned photorefractive crystal 22 is spaced with the strip electrode of electrode structure 21, strip electrode and photorefractive crystal 22 are spaced, namely the electric field that produces in the A between its corresponding electric field region of every adjacent two strip electrodes is for being pointed to the parallel electric field of the strip electrode direction of electronegative potential by the strip electrode of noble potential, increase the homogeneity that the A internal electric field distributes between electric field region, and then improve the stability that photorefractive crystal 22 refractive indexes are regulated.
More specifically, in the above-mentioned electrode structure 2, each strip electrode 21 can be attached on its adjacent photorefractive crystal 22.
Please refer to Fig. 2, in the photorefractive crystal mechanism 2 that provides in the above-mentioned embodiment, photorefractive crystal 22 between each electric field region in the A can be the strip structure of integral type, can also form for arranging along a plurality of compact arranged sub-photorefractive crystals 223 on the column direction of pixel cell in the display panel 1, in like manner, the strip electrode of electrode structure 21 also can be the sub-electrode 213 corresponding with above-mentioned sub-photorefractive crystal 223.
In a kind of preferred implementation, each photorefractive crystal 22 edge is identical perpendicular to the thickness of the exiting surface direction of display panel 1.The thickness of the refractive index of photorefractive crystal 22 and photorefractive crystal 22 and the intensity of extra electric field are relevant, the thickness of each photorefractive crystal 22 is identical, then can be by the refractive index that electric field intensity interior between each electric field region is controlled to regulate each photorefractive crystal 22, and then realization correlation light inlet is sold off the adjusting of the shooting angle α of incident light when penetrating photorefractive crystal 22 of crystal 22, and then realize that the photorefractive crystal 22 of interval row is with emergent light directive beholder's left eye or right eye, and then the photorefractive crystal 22 of row penetrates left-eye image or eye image at interval, realizes that bore hole 3D shows.
In the another kind of preferred implementation, in a plurality of photorefractive crystals 22 that the line direction of the pixel cell of display panel 1 is arranged, the edge of photorefractive crystal 22 is diminished to the centre by both sides gradually perpendicular to the thickness of display panel 1 exiting surface direction.
At interval the electric field intensity in the A is identical between the electric field region of row, and the photorefractive crystal 22 that the thickness by control photorefractive crystal 22 makes row at interval converges to observer's left eye or right eye with corresponding image light, realizes that bore hole 3D shows.
In a kind of embodiment, in the 3D display device that provides in above-mentioned embodiment and the preferred implementation, the exiting surface that the electrode structure 21 in the above-mentioned photorefractive crystal mechanism 2 and photorefractive crystal 22 can be attached at display panel 1 by the mode that is sticked.
Certainly, the electrode structure 21 of above-mentioned photorefractive crystal mechanism 2 and photorefractive crystal 22 can also be directly generate at the upper substrate of display panel 1.
In the another kind of embodiment, in the 3D display device that provides in above-mentioned each embodiment and the preferred implementation, each photorefractive crystal 22 is relative with a row pixel cell in the display panel 1.
Certainly, every photorefractive crystal 22 all right corresponding two row pixel cells, the corresponding relation between photorefractive crystal 22 and the pixel cell can be to decide according to the outgoing situation of display panel 1.
In a kind of embodiment, each photorefractive crystal 3 that provides in technique scheme and the embodiment is a kind of for the barium titanate of perovskite structure, potassium niobate or potassium tantalate-niobate, perhaps is a kind of in barium sodium niobate (BNN), strontium barium niobate or the potassium sodium strontium barium niobate of tungsten bronze structure.
Obviously, those skilled in the art can carry out various changes and modification to the utility model embodiment and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. 3D display device, comprise display panel, described display panel has a plurality of pixel cells of array distribution, it is characterized in that, also comprise the photorefractive crystal mechanism that is arranged on display panel exiting surface one side, described photorefractive crystal mechanism comprises electrode structure and a plurality of photorefractive crystal of arranging along the line direction of described pixel cell, described electrode structure has and described photorefractive crystal one to one between electric field region, described photorefractive crystal is positioned between corresponding electric field region, and the photorefractive crystal of row penetrates left-eye image or eye image at interval.
2. 3D display device according to claim 1 is characterized in that, the electric field intensity between each described electric field region is adjustable separately.
3. 3D display device according to claim 1 is characterized in that, described electrode structure comprises: a plurality of strip electrodes of arranging along the line direction of described pixel cell form between a described electric field region between every two adjacent strip electrodes.
4. 3D display device according to claim 3 is characterized in that, described photorefractive crystal and described strip electrode are spaced.
5. 3D display device according to claim 4 is characterized in that, in the described electrode structure, each described strip electrode is attached at its adjacent described photorefractive crystal.
6. 3D display device according to claim 4 is characterized in that, each described bar shaped photorefractive crystal is along identical perpendicular to the thickness of described display panel exiting surface direction.
7. 3D display device according to claim 4, it is characterized in that, in a plurality of described photorefractive crystal that the line direction of described pixel cell is arranged, the thickness perpendicular to described display panel exiting surface direction of described photorefractive crystal is diminished to the centre gradually by both sides.
8. 3D display device according to claim 1 is characterized in that, described photorefractive crystal mechanism is attached at the exiting surface of described display panel.
9. 3D display device according to claim 1 is characterized in that, each described photorefractive crystal is relative with the described pixel cell of row.
10. 3D display device according to claim 1 is characterized in that, described photorefractive crystal is barium titanate, potassium niobate or the potassium tantalate-niobate of perovskite structure, perhaps the barium sodium niobate (BNN) of tungsten bronze structure, strontium barium niobate or potassium sodium strontium barium niobate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216567 CN203178581U (en) | 2013-04-25 | 2013-04-25 | Three-dimensional (3D) display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216567 CN203178581U (en) | 2013-04-25 | 2013-04-25 | Three-dimensional (3D) display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178581U true CN203178581U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320216567 Withdrawn - After Issue CN203178581U (en) | 2013-04-25 | 2013-04-25 | Three-dimensional (3D) display device |
Country Status (1)
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| CN (1) | CN203178581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235461A (en) * | 2013-04-25 | 2013-08-07 | 京东方科技集团股份有限公司 | Three-dimensional (3D) display device |
-
2013
- 2013-04-25 CN CN 201320216567 patent/CN203178581U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235461A (en) * | 2013-04-25 | 2013-08-07 | 京东方科技集团股份有限公司 | Three-dimensional (3D) display device |
| CN103235461B (en) * | 2013-04-25 | 2016-09-07 | 京东方科技集团股份有限公司 | A kind of 3D display device |
| US9581826B2 (en) | 2013-04-25 | 2017-02-28 | Boe Technology Group Co., Ltd. | 3D display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |