CN203365807U - Display device - Google Patents
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- CN203365807U CN203365807U CN 201320441255 CN201320441255U CN203365807U CN 203365807 U CN203365807 U CN 203365807U CN 201320441255 CN201320441255 CN 201320441255 CN 201320441255 U CN201320441255 U CN 201320441255U CN 203365807 U CN203365807 U CN 203365807U
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- liquid crystal
- substrate
- display device
- polaroid
- grating
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Abstract
The utility model provides a display device, belonging to the technical field of displaying and solving the problem that a view angle of a duel view display device in the prior art cannot be adjusted. The display device comprises a display panel and a dynamic grating arranged at a light-outgoing side of the display panel. The opening width and the position of the dynamic grating can be changed to control light-outgoing directions.
Description
Technical field
The utility model belongs to the display technique field, is specifically related to a kind of display device.
Background technology
Flat-panel monitor has that high image quality, volume are little, lightweight, low voltage drive, low consumpting power and applied range etc. a little.Therefore be widely used in medium and small Portable TV, mobile phone, shoot with video-corder consumer electronics or the computer products such as projector, notebook computer, console display, vehicle display and projection TV, and replace gradually cathode-ray tube (CRT) (Cathode Ray Tube; CRT) become the main flow of display.In recent years, flat panel display market increases, especially in the application of computer.And large tracts of land, high-res, wide viewing angle and the requirement such as reaction time have fast also become the key point that the consumer passes judgment on the quality of liquid crystal display.
Although wide viewing angle becomes more and more important for the functional of flat-panel monitor, yet, in some operation occasion, the wide visual angle function of flat-panel monitor can't be taken into account privacy, with protection user's privacy.Although for example there is the liquid crystal display of wide visual angle function, can allow more people share the screen image, can't prevent that certain other people from spying on some and refusing disclosed secret image content.
As shown in Figure 1, in order to address the above problem, a kind of double vision display device is provided, the grating 100 that comprises display panel 200 and present display panel 200 exiting surface sides are set, can see respectively like this diverse location (i.e. the first viewing area and the second viewing area) of display panel at the first vision area Q1 and the second vision area Q2, like this as long as show respectively different images in the first viewing area and the second viewing area, can, simultaneously for different user shows the different image of two width figure on a display panel, improve privacy.But existing double vision display device watches the visual angle (i.e. the position of two vision areas) of image non-adjustable, that is to say and can only just can watch corresponding image in fixing direction.
Therefore need a kind of display device of adjustable viewing angle, make display device will select and adjust the visual angle width of display frame according to demand.
The utility model content
Technical problem to be solved in the utility model comprises, for above-mentioned deficiency of the prior art, provides a kind of visual angle adjustable display device.
Solving the technical scheme that the utility model technical matters adopts is a kind of display device, comprises display panel, in the exiting surface side of described display panel, is provided with dynamic raster, and described dynamic raster can change width and/or the position of its opening.
The dynamic raster of display device of the present utility model can change width and/or the position of its opening, and the direction of light by this dynamic raster can change, so this display device can two adjustable width images of angles of display.
Preferably, the angle between the pixel cell line direction of the length direction of the opening of described dynamic raster and display panel is greater than 0 degree and is less than 90 degree.
Described display panel is any one in OLED display panel, Plasmia indicating panel, display panels.
Preferably, described dynamic raster be in liquid crystal grating, the wetting grating of electricity, electric ink grating any one.
Further preferably, described display panel is display panels, described dynamic raster is liquid crystal grating, first substrate, second substrate, polaroid and the liquid crystal layer between described first substrate and second substrate, one side of the close described liquid crystal layer of described first substrate is provided with block type electrode, one side of the close described liquid crystal layer of described second substrate is provided with a plurality of being arranged side by side and the strip shaped electric poles of mutually insulated, and described polaroid is located at the bright dipping side of described liquid crystal grating.
Further preferably, described liquid crystal grating comprises: wherein, described liquid crystal grating comprises: first substrate, second substrate, the first polaroid, the second polaroid and the liquid crystal layer between described first substrate and second substrate, one side of the close described liquid crystal layer of described first substrate is provided with block type electrode, one side of the close described liquid crystal layer of described second substrate is provided with the strip shaped electric poles at a plurality of intervals, described the first polaroid is located at the bright dipping side of described liquid crystal grating, and described the second polaroid is located at the light inlet side of described liquid crystal grating.
The accompanying drawing explanation
Fig. 1 is existing double vision display device structural drawing;
The display device structure figure that Fig. 2 is embodiment 1 of the present utility model;
The vertical view when dynamic raster of the display device that Fig. 3 is embodiment 1 of the present utility model is obliquely installed;
The display device that Fig. 4 is embodiment 1 of the present utility model realizes by its dynamic raster the schematic diagram that angle is adjustable;
The first vision area that the display device that Fig. 5 is embodiment 1 of the present utility model shows and the schematic diagram of the second vision area image;
The first vision area that the display device that Fig. 6 is embodiment 1 of the present utility model shows and the another kind of schematic diagram of the second vision area image;
The structural drawing that the display panel of the display device that Fig. 7 is embodiment 1 of the present utility model is display panels; And,
The structural drawing that the display panel of the display device that Fig. 8 is embodiment 1 of the present utility model is non-display panels.
Wherein Reference numeral is: 100, grating/dynamic (liquid crystal) grating; 101, first substrate; 102, second substrate; 103, block type electrode; 104, strip shaped electric poles; 105, (first) polaroid; 106, the second polaroid; 200, display panel; 201, array base palte; 202, color membrane substrates; 203, incident polarization sheet; 204, outgoing polaroid; The opening of S1, grating; The blocked area of S2, grating; Q1, the first vision area; Q2, the second vision area.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 2, the present embodiment provides a kind of display device, comprise display panel 200, exiting surface side at display panel is provided with dynamic raster 100, this dynamic raster 100 can change width and the position of its open S 1, to control the exit direction of light, can obtain demonstration result as shown in Figure 5, wherein 1 is the image that the first vision area is observed, and 2 is the image that the second vision area is observed.
Width and the position of the open S 1 of the dynamic raster 100 of the present embodiment display device can change, and the direction of light by this dynamic raster can change, therefore they can two adjustable width images of angles of display.
Known to those skilled in the art, the visible angle of display device and the pitch of grating (the adjacent shading region S2 of grating, the width sum of open S 1), the distance that open S 1 width of grating and grating and display panel are 200 has certain relation, shown in Fig. 4, the principle that this display device visual angle of clearer explanation is adjustable, wherein, the width Ps=P+m of sub-pix (red or green or blue subpixels and the black matrix be adjacent), black matrix (BM) width is m, the width of dynamic raster 100 open S 1 is the a(variable value), be located at the refractive index n of the glass of dynamic raster 100 bright dipping sides, the distance that dynamic raster 100 and display panel are 200 is h, its effective visible angle is (α
1-β
1), can draw following formula according to refraction law
Sin(90°-α
1)=nsinα
2；(1)
Sin(90°-β
1)=nsinβ
2；(2)
tanα
2=(a-m)/2/h=(a-m)/2h；(3)
tanβ
2=（m+p-(a-m)/2）/h=(3m+2p-a)/2h；(4)。While being easy to find out the wide variety when dynamic raster 100 open S 1 from formula, visual angle changes thereupon.
As shown in Figure 3, preferably (display panel 200 comprises gate line and the data line of orthogonal cross arrangement for the length direction of the open S 1 of the dynamic raster 100 of the display device of the present embodiment and the pixel cell line direction of display panel 200, the line direction that wherein direction of gate line is pixel cell, the column direction that the direction of data line is pixel cell) angle between is greater than 0 degree and is less than 90 degree, can so that in the upper left corner and the lower right corner or the lower left corner and the upper right corner observe two width different pictures, show result as shown in Figure 6, simultaneously, dynamic raster 100 and display panel 200 relative tilt settings, can alleviate the moire fringes produced because of interference between black matrix (BM) on dynamic raster 100 and display panel 200.Certainly, when the width of the open S 1 of dynamic raster changes, the exit direction of the dynamic raster 100 rear light that light transmission display panel 200 is obliquely installed will change, thereby the visual angle of the image of watching is also adjustable.
Preferably, the display panel 200 of above-mentioned display device is any one in OLED display panel, Plasmia indicating panel, display panels, and other display panels also are fine certainly.
Wherein, dynamic raster 100 is preferably: in liquid crystal grating, the wetting grating of electricity, electric ink grating any one.Certainly dynamic raster is not limited to above-mentioned three kinds, so long as can realize that the device of the variable-width of shading region and opening (photic zone) gets final product.
As shown in Figure 7, further preferably, when the display panel 200 of display device is display panels 200, if dynamic raster is liquid crystal grating 100, this liquid crystal grating 100 comprises: first substrate 101, second substrate 102, sheet 105 and the liquid crystal layer (not shown) between described first substrate 101 and second substrate 102 shake, one side of the close described liquid crystal layer of described first substrate 101 is provided with block type electrode 103, one side of the close described liquid crystal layer of described second substrate 102 be provided with a plurality of be arranged side by side and the strip shaped electric poles 104(of mutually insulated wherein the position relationship of block type electrode 103 and strip shaped electric poles 104 can exchange), polaroid 105 is located at the bright dipping side of liquid crystal grating 100.Because this display panel 200 is display panels, it comprises incident polaroid 203 and outgoing polaroid 204, wherein, incident polarization sheet 203 is located at the incidence surface outside of the array base palte 201 of display panels 200, and outgoing polaroid 204 is located at the exiting surface outside of the color membrane substrates 202 of display panels 200.
Wherein, light after the outgoing polaroid 204 of light transmission display panels 200 is polarized light, now, each strip shaped electric poles 104 of liquid crystal grating 100 connects respectively independently voltage signal, when the direction of thoroughly shaking of the outgoing polaroid 204 of display panels 200 is vertical with the direction of thoroughly shaking of the polaroid 105 of liquid crystal grating 100, press to 104 energisings of part strip shaped electric poles, make these regional liquid crystal rotations, make polarized light by display panels 200 at these position half-twists, thereby the polaroid 105(that can see through liquid crystal grating 100 fully is the open S 1 that these positions are dynamic raster 100), for the strip shaped electric poles 104 of not switching on, the regional liquid crystal of their correspondences does not rotate, and does not have polarized light to see through, and is shown as black (being the blocked area S2 that these positions are dynamic raster 100).Relative, when the direction of thoroughly shaking of the outgoing polaroid 204 of display panels 200 is parallel with the direction of thoroughly shaking of the polaroid 105 of liquid crystal grating 100, while pressing to 104 energisings of part strip shaped electric poles, the liquid crystal rotation of these strip shaped electric poles corresponding regions, make the polarized light half-twist by display panels 200, polarized light can not pass through the polaroid 105 of liquid crystal grating 100, be shown as black, for the strip shaped electric poles 104 of not switching on, the regional liquid crystal of strip shaped electric poles 104 correspondences does not rotate, and polarized light sees through the polaroid 105 of liquid crystal grating 100.Due to each strip shaped electric poles 104 all by the independent voltage signal controlling, so there is the area size with there is no light transmission of light transmission adjustable, namely the outgoing position of light is adjustable, thereby controls the width of the open S 1 of liquid crystal grating 100, can obtain two images that visual angle is adjustable.
As shown in Figure 8, certainly, for other display device, its display panel 200 does not have polaroid (being for example the OLED display device), now its liquid crystal grating 100 comprises: first substrate 101, second substrate 102, the first polaroid 105, the second polaroid 106 and the liquid crystal layer between described first substrate 101 and second substrate 102, one side of the close described liquid crystal layer of described first substrate 101 is provided with block type electrode 103, one side of the close described liquid crystal layer of described second substrate 102 is provided with the strip shaped electric poles 104 at a plurality of intervals, described the first polaroid 105 is located at the bright dipping side of described liquid crystal grating 100, described the second polaroid 106 is located at the light inlet side of described liquid crystal grating 100.Wherein, the second polaroid 106 of this dynamic raster is equivalent to the outgoing polaroid 204 of above-mentioned display panels, and the principle of work of this display device, with above-mentioned display device, no longer repeats to relate herein.
Those skilled in the art can be understood that equally, and the wetting grating of electricity and electric ink grating are also to adopt to control the width that voltage is controlled its open S 1, thus the visible angle of adjustment display device.
Embodiment 2:
The present embodiment provides a kind of display packing for the display device of embodiment 1, the display panel of described display device is divided into the first viewing area and the second viewing area, described display packing specifically comprises: in procedure for displaying, change width and/or the position of the opening of dynamic raster.
Preferably, in procedure for displaying, change width and/or the position of the opening of dynamic raster by change, make in the first vision area and can observe in turn the first viewing area and the second viewing area, in the second vision area, can observe in turn the second viewing area and the first viewing area; Wherein, when when the first vision area can be observed the first viewing area, can observe the second viewing area in the second vision area, and, when when the first vision area can be observed the second viewing area, in the second vision area, can observe the first viewing area.
It will be understood by those skilled in the art that, with respect in this display device, not being provided with grating, only show for the situation of piece image, above-mentioned display method shows two width images, so the resolution of the image that the beholder watches in any one vision area will reduce half, now can realize watching the image of the first viewing area and the image Alternation Display of the second viewing area in any one vision area by the aperture position of adjusting dynamic raster, but the refresh rate of display panel is drop by half, general display panel refresh rate is 60HZ, now, can further preferably be not less than the display panel of 120HZ refresh rate, realize the adjustable viewing angle control of full resolution.
Now, further preferably, by the first viewing area, corresponding pixel cell is put black;
Or
By the second viewing area, corresponding pixel cell is put black.
Illustrate, first constantly, only shows the image information of the first vision area position, and pixel cell corresponding to the second viewing area put black, by corresponding dynamic raster, can see the demonstration image in some angles;
Second constantly, by the opening of corresponding dynamic raster and also corresponding movement of lightproof area, make the preset angles zone still can see the demonstration image, the image information that only shows the second vision area position, by the first viewing area, corresponding pixel cell is put black, should be noted, now the image information of the image information of the second vision area position and first moment the first vision area position is same image or video information (what certainly show is the diverse location of same image).。
The display packing that the present embodiment provides not only can realize the function that double vision shows, and the image aspects in two vision areas is adjustable, particularly by one of them vision area after the pixel of corresponding viewing area puts black the processing, and the image that another vision area shows is narrow visual angle image, now make when watching the secret content, safer.
Be understandable that, above embodiment is only the illustrative embodiments adopted for principle of the present utility model is described, yet the utility model is not limited to this.For those skilled in the art, in the situation that do not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection domain of the present utility model.
Claims (6)
1. a display device, comprise display panel, it is characterized in that, in the exiting surface side of described display panel, is provided with dynamic raster, and described dynamic raster can change width and/or the position of its opening.
2. display device according to claim 1, is characterized in that, the angle between the pixel cell line direction of the length direction of the opening of described dynamic raster and display panel is greater than 0 degree and is less than 90 degree.
3. display device according to claim 1 and 2, is characterized in that, described display panel is any one in OLED display panel, Plasmia indicating panel, display panels.
4. display device according to claim 1 and 2, is characterized in that, described dynamic raster be in liquid crystal grating, the wetting grating of electricity, electric ink grating any one.
5. display device according to claim 4, it is characterized in that, described display panel is display panels, described dynamic raster is liquid crystal grating, wherein, described liquid crystal grating comprises: first substrate, second substrate, polaroid and the liquid crystal layer between described first substrate and second substrate, one side of the close described liquid crystal layer of described first substrate is provided with block type electrode, one side of the close described liquid crystal layer of described second substrate is provided with a plurality of being arranged side by side and the strip shaped electric poles of mutually insulated, and described polaroid is located at the bright dipping side of described liquid crystal grating.
6. display device according to claim 4, it is characterized in that, described liquid crystal grating comprises: first substrate, second substrate, the first polaroid, the second polaroid and the liquid crystal layer between described first substrate and second substrate, one side of the close described liquid crystal layer of described first substrate is provided with block type electrode, one side of the close described liquid crystal layer of described second substrate is provided with the strip shaped electric poles at a plurality of intervals, described the first polaroid is located at the bright dipping side of described liquid crystal grating, and described the second polaroid is located at the light inlet side of described liquid crystal grating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320441255 CN203365807U (en) | 2013-07-23 | 2013-07-23 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320441255 CN203365807U (en) | 2013-07-23 | 2013-07-23 | Display device |
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| CN203365807U true CN203365807U (en) | 2013-12-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103389582A (en) * | 2013-07-23 | 2013-11-13 | 京东方科技集团股份有限公司 | Display device and display method thereof |
| CN104536220A (en) * | 2015-01-27 | 2015-04-22 | 京东方科技集团股份有限公司 | Display device and control method thereof, special glasses and display system |
| CN106019614A (en) * | 2016-07-28 | 2016-10-12 | 京东方科技集团股份有限公司 | 3D display panel, preparation method thereof, and 3D display device |
| CN107656406A (en) * | 2017-09-30 | 2018-02-02 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display screen and display device |
| TWI633332B (en) * | 2017-07-25 | 2018-08-21 | 宏碁股份有限公司 | Driving method of privacy apparatus, privacy apparatus and manufacturing method of privacy apparatus |
| WO2018166209A1 (en) * | 2017-03-17 | 2018-09-20 | 京东方科技集团股份有限公司 | Display component, display device, and display method |
| US20220107519A1 (en) * | 2019-05-09 | 2022-04-07 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display apparatus and method of controlling the same |
-
2013
- 2013-07-23 CN CN 201320441255 patent/CN203365807U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389582A (en) * | 2013-07-23 | 2013-11-13 | 京东方科技集团股份有限公司 | Display device and display method thereof |
| WO2015010402A1 (en) * | 2013-07-23 | 2015-01-29 | 京东方科技集团股份有限公司 | Display device and display method thereof |
| CN104536220A (en) * | 2015-01-27 | 2015-04-22 | 京东方科技集团股份有限公司 | Display device and control method thereof, special glasses and display system |
| CN106019614A (en) * | 2016-07-28 | 2016-10-12 | 京东方科技集团股份有限公司 | 3D display panel, preparation method thereof, and 3D display device |
| CN106019614B (en) * | 2016-07-28 | 2018-09-18 | 京东方科技集团股份有限公司 | 3D display panel and preparation method thereof, 3D display device |
| WO2018166209A1 (en) * | 2017-03-17 | 2018-09-20 | 京东方科技集团股份有限公司 | Display component, display device, and display method |
| US10712611B2 (en) | 2017-03-17 | 2020-07-14 | Boe Technology Group Co., Ltd. | Display device, display apparatus and display method |
| TWI633332B (en) * | 2017-07-25 | 2018-08-21 | 宏碁股份有限公司 | Driving method of privacy apparatus, privacy apparatus and manufacturing method of privacy apparatus |
| US10606105B2 (en) | 2017-07-25 | 2020-03-31 | Acer Incorporated | Privacy apparatus comprising a light-transmissive layer having a plurality of trenches disposed with first and second electrically switchable optical structures |
| CN107656406A (en) * | 2017-09-30 | 2018-02-02 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display screen and display device |
| US20220107519A1 (en) * | 2019-05-09 | 2022-04-07 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display apparatus and method of controlling the same |
| US11579475B2 (en) * | 2019-05-09 | 2023-02-14 | BOE MLED Technology Co., Ltd. | Display apparatus and method of controlling the same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |