CN202057899U - A slit grating used for two-visual point free stereo display - Google Patents
A slit grating used for two-visual point free stereo display Download PDFInfo
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- CN202057899U CN202057899U CN2011201647542U CN201120164754U CN202057899U CN 202057899 U CN202057899 U CN 202057899U CN 2011201647542 U CN2011201647542 U CN 2011201647542U CN 201120164754 U CN201120164754 U CN 201120164754U CN 202057899 U CN202057899 U CN 202057899U
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Abstract
A slit grating used for two-visual point free stereo display belongs to the field of free stereo display technology. The slit grating is provided with vertically disposed and alternately spaced black stripes and white stripes. A sum of widths of a black stripe and a white stripe, which are adjacent, is equal to or less than a width of a pixel on a color displayer; and a width of the white stripe is less than or equal to a width of a black non-luminance portion in a horizontal direction of one pixel. With the width of the white stripe being less than or equal to the width of the black non-luminance portion in a horizontal direction of one pixel, the slit grating enables viewers to view an image of one column of the pixel through one white stripe during viewing without viewing the image of pixels of adjacent columns, thereby preventing the formation of double image, improving sharpness of the images being viewed, and bringing visual comfortableness to the viewers. After the installation of the slit grating on color displayers with the function of displaying and three-dimensional preprocessing of the to-be-played videos or to-be-viewed images, the slit grate enables the viewers to view the stereo images directly through the function of the slit grate, thereby being easy to use and reducing the cost spent in the viewing of many people.
Description
Technical field
The utility model belongs to free stereo technique for displaying field, is specifically related to a kind of colorful display screen that is used for and carries out the slit grating that two viewpoint free stereos show.
Background technology
Can along with the continuous progress of display technique, the audience requires more and more higher for the display quality with Presentation Function product, especially in recent years along with the continuous development of stereo technology, show that stereopsis also becomes one of Consideration of purchase.
During the three-dimensional body of human eyes in watching reality, two vision is horizontally separated on two diverse locations of three-dimensional body, and consequent sight equation makes human brain be able to three-dimensional variation of the degree of depth of perception three-dimensional world.3 D stereo shows the effect that is meant the energy display image degree of depth (third dimension), has stereoscopic sensation just as we see real world.Dimension display technologies commonly used is at present mainly watched three-dimensional film, stereotelevision or stereoscopic photograph by wearing glasses, when so not only fatigue but also use inconvenience easily, and observer's quantity increased, cost can the linearity increase.Therefore free stereo shows it will will be the of future generation novel display technique that countries in the world are greatly developed, and has become a current noticeable frontier science and technology field, has considerable market outlook.
Existing free stereo shows the form that can adopt slit grating, and what make the observer simple eyely can only see a row pixel on the display screen by a slit on the baffle plate, by two observe the image of seeing different visual angles and in brain the image of compound stereoscopic.But the informal voucher line in the slit grating is improper if width is provided with, the beholder can see simultaneously when watching a row pixel by an informal voucher line that the other row pixel of this row pixel causes interference to form ghost image, reduce greatly the sharpness of watching of stereo-picture, bring discomfort on the sense organ to the beholder.
The utility model content
At problems of the prior art, the purpose of this utility model is to provide a kind of slit grating that two viewpoint free stereos show that is used for, and avoids occurring when watching stereopsis ghost image, the sharpness when improving the stereopsis broadcast.
Described a kind of slit grating that two viewpoint free stereos show that is used for, it is characterized in that vertically being provided with on the slit grating black streaking, the informal voucher line of alternate intervals, the width sum of adjacent black and white strip is equal to or less than the width of a pixel on the colorful display screen, and the width of informal voucher line is smaller or equal to the width of luminous component not of black on the pixel level direction.
Described a kind of slit grating that two viewpoint free stereos show that is used for is characterized in that described slit grating is the slit grating that liquid crystal slit grating or film are printed.
Described a kind of slit grating that two viewpoint free stereos show that is used for, when it is characterized in that slit grating is the liquid crystal slit grating, connection is provided with the liquid crystal shutter circuit on the liquid crystal slit grating.
The utility model is simple in structure, reasonable in design, can directly be installed on common planar TV, flat-panel screens, mobile phone, mp3, mp4, navigating instrument etc. has on the colorful display screen of Presentation Function product, image is through passing through the effect Direct observation stereo-picture of slit grating after the 3D processing, need not wearing spectacles, easy to use.The width of the informal voucher line on the slit grating is smaller or equal to the width of luminous component not of black on the pixel, when watching, only can see the image of a row pixel by an informal voucher line, and the pixel image of row by can't see, thereby avoided the formation ghost image, improve the sharpness of image when watching, bring comfort sense on the sense organ to the beholder.The liquid crystal shutter circuit when adopting the liquid crystal slit grating, slit grating is set, when the conducting of liquid crystal shutter closing of circuit, black streaking default on the liquid crystal slit grating manifests, and makes the liquid crystal slit grating become the alternate slit grating of black and white strip, and the user watches the stereo-picture with depth perception.When the liquid crystal shutter circuit disconnected, the liquid crystal slit grating was complete white, the image that shows is not worked the effect of blocking, and shows two-dimensional effects, and the user can carry out the conversion of three-dimensional or two dimension as required, uses convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of slit grating free stereo displaying principle.
Among the figure: 1-slit grating, 2-black streaking, 3-informal voucher line, 4-colorful display screen, 5-black gap.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
A kind of slit grating that is used for the demonstration of two viewpoint free stereos as shown in Figure 1, black streaking 2, the informal voucher line 3 of alternate intervals vertically are set on the slit grating 1, the width sum of adjacent black and white strip is equal to or less than the width of a pixel on the colorful display screen 4, and the width of informal voucher line 3 is smaller or equal to black gap 5 width of luminous component not of black on the pixel level direction.The slit grating that slit grating 1 can adopt liquid crystal slit grating or film to print.Slit grating 1 can be adjusted the width of black streaking 2, informal voucher line 3 according to being applied to different colorful display screens, to be applicable to the colorful display screen of variety classes, different size, as LCD display, OLED display screen etc.
When slit grating 1 was the liquid crystal slit grating, connection was provided with the liquid crystal shutter circuit on the liquid crystal slit grating.The liquid crystal shutter circuit does not illustrate in the drawings.
As shown in Figure 2, the principle that free stereo shows is as follows: the free stereo liquid crystal display device structure based on parallax baffle is a baffle plate of placing a fence type at the place ahead or the rear of liquid crystal display, like this because the blocking of baffle plate, the simple eye of observer can only be seen a row pixel on the display screen by a slit on the baffle plate, can only see strange pixel column as left eye, and can't see the dual pixel row; Equally, right eye can only be seen the dual pixel row, and can't see strange pixel column.So, it is right that two width of cloth images of being made up of strange pixel column and dual pixel row have just become to have the stereo-picture of the level time difference respectively, by the fusion of brain, finally forms the stereo-picture that a width of cloth has depth perception.
The connection of liquid crystal slit grating is provided with the liquid crystal shutter circuit, and the may command colorful display screen is changed between two dimension and 3-D display.When the conducting of liquid crystal shutter closing of circuit, black streaking default on the liquid crystal slit grating manifests, make the liquid crystal slit grating become the alternate slit grating of black and white strip, when this moment, the user watched picture on the display screen, because blocking of black and white strip, the simple eye of observer can only be seen a row pixel on the display screen by a slit on the baffle plate, can only see strange pixel column as left eye, and can't see the dual pixel row; Equally, right eye can only be seen the dual pixel row, and can't see strange pixel column.So, it is right that two width of cloth images of being made up of the odd even pixel column have just become to have the stereo-picture of the level time difference respectively, by the fusion of brain, finally forms the stereo-picture that a width of cloth has depth perception.When the liquid crystal shutter circuit disconnected, the liquid crystal slit grating was complete white, the image that shows on the display screen is not worked the effect of blocking, and shows two-dimensional effects, and the user can carry out the conversion of three-dimensional or two dimension as required, uses convenient.
Slit grating of the present utility model is installed on common planar TV, flat-panel screens, mobile phone, mp3, mp4, navigating instrument etc. to have on the colorful display screen of Presentation Function product, video of playing or the image of watching are earlier through three-dimensional pre-service, can be by the effect Direct observation stereo-picture of slit grating, and need not that other watch instrument by glasses etc., can many people watch simultaneously, easy to use and greatly reduce the cost of many people when watching.And the informal voucher line width that is provided with on the slit grating is smaller or equal to the width of luminous component not of black on the pixel level direction, when watching, only can see the image of a row pixel by an informal voucher line, and the pixel image of row by can't see, thereby avoided the formation ghost image, improve the sharpness of image when watching, bring comfort sense on the sense organ to the beholder.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. one kind is used for the slit grating that two viewpoint free stereos show, it is characterized in that vertically being provided with on the slit grating (1) black streaking (2), the informal voucher line (3) of alternate intervals, the width sum of adjacent black and white strip is equal to or less than the width of a pixel on the colorful display screen, and the width of informal voucher line (3) is smaller or equal to the width of luminous component not of black on the pixel level direction.
2. a kind of slit grating that two viewpoint free stereos show that is used for as claimed in claim 1 is characterized in that the slit grating of described slit grating (1) for liquid crystal slit grating or film printing.
3. a kind of slit grating that two viewpoint free stereos show that is used for as claimed in claim 2, when it is characterized in that slit grating (1) for the liquid crystal slit grating, connection is provided with the liquid crystal shutter circuit on the liquid crystal slit grating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201647542U CN202057899U (en) | 2011-05-23 | 2011-05-23 | A slit grating used for two-visual point free stereo display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201647542U CN202057899U (en) | 2011-05-23 | 2011-05-23 | A slit grating used for two-visual point free stereo display |
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| Publication Number | Publication Date |
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| CN202057899U true CN202057899U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201647542U Expired - Fee Related CN202057899U (en) | 2011-05-23 | 2011-05-23 | A slit grating used for two-visual point free stereo display |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015043144A1 (en) * | 2013-09-29 | 2015-04-02 | 北京京东方显示技术有限公司 | Slit grating structure and display apparatus |
| CN110139092A (en) * | 2019-05-20 | 2019-08-16 | 中国科学院长春光学精密机械与物理研究所 | Three-dimensional display system, image processing method, device, equipment and storage medium |
| CN110297335A (en) * | 2019-07-28 | 2019-10-01 | 成都工业学院 | Double vision 3D display device based on microlens array and polarization grating |
| CN110361871A (en) * | 2019-07-28 | 2019-10-22 | 成都工业学院 | Double vision 3D display device based on microlens array |
-
2011
- 2011-05-23 CN CN2011201647542U patent/CN202057899U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015043144A1 (en) * | 2013-09-29 | 2015-04-02 | 北京京东方显示技术有限公司 | Slit grating structure and display apparatus |
| US9860523B2 (en) | 2013-09-29 | 2018-01-02 | Boe Technology Group Co., Ltd. | Slit grating structure and display device |
| CN110139092A (en) * | 2019-05-20 | 2019-08-16 | 中国科学院长春光学精密机械与物理研究所 | Three-dimensional display system, image processing method, device, equipment and storage medium |
| CN110297335A (en) * | 2019-07-28 | 2019-10-01 | 成都工业学院 | Double vision 3D display device based on microlens array and polarization grating |
| CN110361871A (en) * | 2019-07-28 | 2019-10-22 | 成都工业学院 | Double vision 3D display device based on microlens array |
| CN110361871B (en) * | 2019-07-28 | 2024-03-26 | 成都航空职业技术学院 | Double-vision 3D display device based on micro-lens array |
| CN110297335B (en) * | 2019-07-28 | 2024-04-05 | 福州恒美光电材料有限公司 | Double-vision 3D display device based on micro-lens array and polarization grating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |