CN102262327A - Image display system - Google Patents
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- CN102262327A CN102262327A CN2010101944110A CN201010194411A CN102262327A CN 102262327 A CN102262327 A CN 102262327A CN 2010101944110 A CN2010101944110 A CN 2010101944110A CN 201010194411 A CN201010194411 A CN 201010194411A CN 102262327 A CN102262327 A CN 102262327A
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Abstract
The invention discloses an image display system. The system comprises a display device including a pixel unit array, wherein each pixel unit is composed of a first subpixel and an adjacent second subpixel. The first subpixel comprises a plurality of first charged coloured particles and a plurality of second charged coloured particles, and is used for receiving a light source which does not pass through an optical filter. The second subpixel comprises a plurality of third charged coloured particles and a plurality of fourth charged coloured particles, and is used for receiving the light source. In addition, the first, second, third and fourth charged coloured particles have at least three colours in all.
Description
Technical field
The present invention relates to a kind of flat-panel screens technology, the high full-color electrophoresis showed of resolving of particularly a kind of high brightness (electrophoretic display, EPD) device.
Background technology
Because thin thickness, in light weight, and the characteristic of low power consumption, flat display apparatus has replaced cathode-ray tube (CRT) (cathode ray tube, CRT) display device and being widely used in the electronic equipment, for example luggable computer, PDA(Personal Digital Assistant), e-book (electronic books), projector, and mobile phone etc.Above-mentioned flat display apparatus comprises: liquid crystal display (liquid crystal display, LCD) device, organic light emitting display (organic light-emitting display, OLED) device and electrophoresis showed (electrophoretic display, EPD) device.
Among above-mentioned flat display apparatus, though liquid crystal display (liquid crystal display, LCD) device and electrophoresis showed (EPD) device all belongs to non-autoluminescence (non self-emissive) type display device, but compared to liquid crystal indicator, electrophoretic display apparatus has low power consumption, pliability (flexibility) good and readable (readability) good advantage and is applied to class master mode (paper-like) display, for example e-book.
In known full-color electrophoresis showed (EPD) technology, the electrophoretic layer of employing one monochromatic demonstration (monochromedisplay) (for example, have the black particles and the white particles that contain electric charge) the collocation colored filter, make light ruddiness, green glow and blue light are sent to corresponding pixel region via colored filter.Yet, in the above-mentioned display device,, only be 1/3 of monochromatic display device and make the brightness of full-color display device because 2/3 light is absorbed by colored filter.Moreover each pixel needs three sub-pixels (that is, redness, green and blue subpixels), thereby reduces the resolution of display device.
Therefore, be necessary to seek a kind of new display device structure, it can promote the brightness and the resolution of display itself.
Summary of the invention
One embodiment of the invention provides a kind of image display system, comprising: a display device, it has a pixel unit array, and each pixel cell is made of one first sub-pixel and second an adjacent sub-pixel.First sub-pixel comprises a plurality of first electrically charged colored particle and a plurality of second electrically charged colored particle, in order to receive a light source that does not pass through optical filter.Second sub-pixel comprises a plurality of the 3rd electrically charged colored particle and a plurality of four-tape electric charge colored particle, in order to receive this light source.First, second, third and four-tape electric charge colored particle have at least three kinds of colors altogether.
Another embodiment of the present invention provides a kind of image display system, comprising: a display device have a pixel unit array, and each pixel cell is made of single sub-pixel.Sub-pixel comprises a plurality of first electrically charged colored particle, a plurality of second electrically charged colored particle and a plurality of the 3rd electrically charged colored particle, in order to receive not by a light source of optical filter, wherein first, second, third electrically charged colored particle has the color that differs from one another.
Description of drawings
Fig. 1 shows according to display device floor map in the image display system of the embodiment of the invention;
Fig. 2 A is the pixel cell floor map that shows an embodiment among Fig. 1;
Fig. 2 B shows pixel cell diagrammatic cross-section among Fig. 2 A;
Fig. 3 A is the pixel cell floor map that shows another embodiment among Fig. 1;
Fig. 3 B shows pixel cell diagrammatic cross-section among Fig. 3 A;
Fig. 4 shows image display system block schematic diagram according to another embodiment of the present invention.
[main element symbol description]
100～display device; 200～pel array; 200a～pixel cell; 300a, 300b, 400a～sub-pixel; 301～the first substrates; 302～the second substrates; 303～reflection horizon; 304～barrier rib; 305～light shield layer; 310～electrophoresis showed layer; 312～the first electrically charged colored particles; 314～the second electrically charged colored particles; 316,316 '～the 3rd electrically charged colored particle; 318～the four-tape electric charge colored particles; 400～flat-panel screens; 500～input block; 600～electronic installation; L～light source.
Embodiment
The below making and the use of the explanation embodiment of the invention.Yet, can understand embodiment provided by the present invention easily and only be used for explanation with ad hoc approach making and use the present invention, be not in order to limit to scope of the present invention.
The image display system of the embodiment of the invention below is described.Please refer to Fig. 1, it shows according to display device 100 floor map in the image display system of the embodiment of the invention.In the present embodiment, display device 100 can be a full-color electrophoretic display apparatus, and it has a pixel unit array 200 that is made of a plurality of pixel cell 200a.
Please refer to Fig. 2 A and Fig. 2 B, wherein Fig. 2 A is the floor map that shows the pixel cell 200a of an embodiment among Fig. 1, and Fig. 2 B is the diagrammatic cross-section that shows pixel cell 200a among Fig. 2 A.In the present embodiment, specifically in the pixel unit array 200 each pixel cell 200a constituted by one first sub-pixel 300a and the one second sub-pixel 300b that is adjacent.Be noted that among Fig. 2 A that to have last end out line be that the pixel cell 200a of rectangle illustrates as example, yet each pixel cell 200a also can have end out line on other, for example triangle, hexagon etc.Each pixel cell 200a comprises: one first substrate 301, one second substrate 302 and be formed at first substrate 301 and second substrate 302 between a plurality of electrophoresis showed (EPD) layer 310, first and second a sub-pixel 300a and 300b corresponding electrophoresis showed layer 310 respectively wherein.First substrate 301 can be made of glass, quartz, plastic cement or other flexible materials, and it can be transparent or nontransparent; Second substrate 302 also can be made of glass, quartz, plastic cement or other flexible materials, and it is transparent.
In the present embodiment, the electrically charged colored particle that electrophoresis showed layer 310 can comprise solvent, liquid or air and be positioned at it, wherein electrically charged colored particle is in order to receive the light source L that does not pass through optical filter.That is, there is no the existence of colored filter in the display device 100.For instance, have a plurality of first electrically charged colored particle 312 and a plurality of second electrically charged colored particle 314 in the electrophoresis showed layer 310 corresponding to the first sub-pixel 300a, and have a plurality of the 3rd electrically charged colored particle 316 and a plurality of four-tape electric charge colored particle 318 in the electrophoresis showed layer 310 corresponding to the second sub-pixel 300b, in order to receive light source L.In one embodiment, first, second, third and four-tape electric charge colored particle 312,314,316 and 318 can contain dyestuff (dye) or pigment (pigment) respectively, and have at least three kinds of colors altogether.For instance, the color of the first electrically charged colored particle 312 is same as the color of the 3rd electrically charged colored particle 316 and is different from the color of four-tape electric charge colored particle 318, and the color of the second electrically charged colored particle 314 is different from the 3rd and the color of four-tape electric charge colored particle 316 and 318.Moreover, the color of first electrically charged colored particle 312, the second electrically charged colored particle 314 or four-tape electric charge colored particle 318 comprises: red, green or blue or red, green and blue complementary color, for example fuchsin (magenta) look, green grass or young crops (cyan) look or yellow.For instance, the first and the 3rd electrically charged colored particle 312 and 316 is blue, and the second electrically charged colored particle 314 is green for red four-tape electric charge colored particle 318.In other embodiments, first, second, third and four-tape electric charge colored particle 312,314,316 and 318 can have the color that differs from one another.For instance, the first electrically charged colored particle 312 is red, and the second electrically charged colored particle 314 is blue, and the 3rd electrically charged colored particle 316 is green, and four-tape electric charge colored particle 318 is carmetta, cyan or yellow, black.In addition, first and second electrically charged colored particle 312 and 314 can have identical or different polarity, and the 3rd and four-tape electric charge colored particle 316 and 318 can have identical or different polarity.For example, the polarity of the first electrically charged colored particle 312 is for just, and the polarity of the second electrically charged colored particle 314 is for negative.Moreover the polarity of the 3rd electrically charged colored particle 316 is being for just, and the polarity of four-tape electric charge colored particle 318 is for negative, and in addition, the electrically charged colored particle 312,314,316,318 of different colours also can have the different quantities of electric charge.
One reflection horizon 303 is arranged between first substrate 301 and the electrophoresis showed layer 310, in order to will reflex to the pixel cell 200a outside by the light source L of electrophoresis showed layer 310.Reflection horizon 303 can be metal or other reflecting materials of commonly using.
One barrier rib (spacer) 304 is formed between first substrate 301 and second substrate 302 in order to separate each the pixel cell 200a in the pixel unit array 200, and separate the electrophoresis showed layer 310 that is positioned at the first sub-pixel 300a and the second sub-pixel 300b among each pixel cell 200a, shown in Fig. 2 B.Moreover, on second substrate 302, form the electrophoresis showed layer 310 that a plurality of light shield layers 305 cover barrier rib 304 and part, in the electrophoresis showed floor 310 of the first sub-pixel 300a and the second sub-pixel 300b, to define viewing area (i.e. the zone that is not covered) and particle storage (reservoir) district (that is the zone that is covered by light shield layer 305 in the electrophoresis showed layer 310) by light shield layer 305.For instance, light shield layer 305 is arranged at the two opposite sides of the first sub-pixel 300a two opposite sides and the second sub-pixel 300b, shown in Fig. 2 A.Be provided with electrode 307a and 307b in the particle memory block of first substrate, 301 tops, it lays respectively at the two opposite sides of corresponding sub-pixel.In one embodiment, can apply positive voltage and negative voltage respectively at electrode 307a and 307b, make in the electrophoresis showed layer 310 the electrically charged colored particle of different colours be gathered in corresponding particle memory block fully or whole or a little electrically charged colored particle is transmitted to the viewing area in self-corresponding particle memory block.
For instance, the first and the 3rd electrically charged colored particle 312 and 316 is blue, and the second electrically charged colored particle 314 is red, and four-tape electric charge colored particle 318 is green.When pixel cell 200a operates in bright attitude (white status), then first, second, third and four-tape electric charge colored particle 312,314,316 and 318 all be positioned at corresponding particle memory block.When pixel cell 200a operates in dark attitude (dark status), then first, second, third and four-tape electric charge colored particle 312,314,316 and 318 can all be positioned at corresponding viewing area.200a operates in red display when pixel cell, and the first electrically charged colored particle 312 of the first sub-pixel 300a can all be positioned at corresponding particle memory block, and the second electrically charged colored particle 314 can all be positioned at corresponding viewing area.Moreover the 3rd and the four-tape electric charge colored particle 316 and 318 of the second sub-pixel 300b can all be positioned at corresponding viewing area.Pixel cell 200a operates in green and the blue method that shows then can be similar in appearance to showing red method.In addition, if pixel cell 200a will show the color beyond GTG or three mass-tones, then in each sub-pixel of may command electrically charged colored particle in the viewing area and the ratio of particle memory block.Thus, each pixel cell 200a can both reach full-color demonstration and need not to pass through colored filter.
According to the foregoing description, because each pixel cell need not to reach full-color demonstration by colored filter, therefore, can have higher brightness compared to known display device with colored filter, reduce manufacturing cost simultaneously.Moreover because each pixel only needs two sub-pixels, therefore the display device that constitutes a pixel compared to known three sub-pixels can have higher resolution.
Please refer to Fig. 3 A and Fig. 3 B, wherein Fig. 3 A is the floor map that shows the pixel cell 200a of another embodiment among Fig. 1, and Fig. 3 B is the diagrammatic cross-section that shows pixel cell 200a among Fig. 3 A, and the parts system that wherein is same as among Fig. 2 A and Fig. 2 B uses identical label and omits its explanation.In the present embodiment, specifically in the pixel unit array 200 each pixel cell 200a only constituted by a sub-pixel 400a.Similarly, be noted that among Fig. 3 A that to have last end out line be that the pixel cell 200a of rectangle illustrates as example, yet each pixel cell 200a also can have end out line on other, for example triangle, hexagon etc.
In one embodiment, have a plurality of first electrically charged colored particle 312, a plurality of second electrically charged colored particle 314 and a plurality of the 3rd electrically charged colored particle 316 ' in the electrophoresis showed layer 310 of sub-pixel 400a, in order to receive the light source L that does not pass through optical filter.First, second and third electrically charged colored particle 312,314 and 316 ' can have the color that differs from one another.Moreover the color of first electrically charged colored particle 312, the second electrically charged colored particle 314 or the 3rd electrically charged colored particle 316 ' comprising: redness, green, blueness, carmetta, cyan or yellow.For instance, the first electrically charged colored particle 312 is red, and the second electrically charged colored particle 314 is blue for green the 3rd electrically charged colored particle 316 '.In another embodiment, also comprise a plurality of four-tape electric charge colored particles 318 in the electrophoresis showed layer 310 of sub-pixel 400a, it has the color that is different from first, second and third electrically charged colored particle 312,314 and 316 ' and comprises: redness, green, blueness, carmetta, cyan or yellow.Similarly, first, second, third and four-tape electric charge colored particle 312,314,316 ' and 318 can have identical or different polarity.
In the present embodiment, light shield layer 305 is arranged at the electrophoresis showed layer 310 of barrier rib 304 tops and cover part, to define viewing area and particle memory block in the electrophoresis showed layer 310 of sub-pixel 400a.For instance, light shield layer 305 is arranged at four edges of rectangle sub-pixel 400a, as shown in Figure 3A.In other embodiments, light shield layer 305 is arranged at three edges of rectangle sub-pixel 400a, four drift angles or three drift angles, depends on required particle memory block quantity.The electrically charged colored particle of different colours has particle memory block separately usually.
Moreover, in one embodiment, when pixel cell 200a operates in bright attitude, then first, second, third and four-tape electric charge colored particle 312,314,316 ' and 318 all be positioned at corresponding particle memory block.When pixel cell 200a operates in dark attitude, then first, second, third and four-tape electric charge colored particle 312,314,316 ' and 318 can all be positioned at corresponding viewing area.When pixel cell 200 operates in other demonstrations, for example red, red electrically charged colored particle or can mix out red electrically charged colored particle can be positioned at the viewing area, and other electrically charged colored particles can be positioned at corresponding particle memory block.In addition, if pixel cell 200a will show GTG, then in the may command sub-pixel 400a electrically charged colored particle in the viewing area and the ratio of particle memory block.Thus, each pixel cell 200a also can reach full-color demonstration and need not to pass through colored filter.
According to the foregoing description, display device can have high brightness, reduces the advantage of manufacturing cost simultaneously.Moreover, because each pixel only needs single sub-pixel, therefore can further promote resolution.
Fig. 4 shows image display system block schematic diagram according to another embodiment of the present invention, it may be implemented in flat-panel screens (flat panel display, FPD) 400 or electronic installation 600, for example: projector, e-book, mobile computer, mobile phone, digital camera, personal digital assistant (personaldigital assistant, PDA), desktop PC, televisor, automobile-used display or portable DVD player.Display device 100 according to the present invention can be arranged at flat-panel screens 400, and flat-panel screens 400 can be electrophoretic display device (EPD).In other embodiments, display device 100 can be arranged at electronic installation 600.As shown in Figure 4, electronic installation 600 comprises: flat-panel screens 400 and input block 500.Input block 500 is coupled to flat-panel screens 400, in order to provide input signal (for example, picture signal) to flat-panel screens 400, makes flat-panel screens 400 display images.
Though the present invention with preferred embodiment openly as above; right its is not in order to qualification the present invention, those skilled in the art, without departing from the spirit and scope of the present invention; when can doing to change and retouching, so protection scope of the present invention is as the criterion when looking the appended claims person of defining.
Claims (19)
1. image display system comprises:
One display device has a pixel unit array, and each pixel cell is made of one first sub-pixel and second an adjacent sub-pixel;
Wherein this first sub-pixel comprises a plurality of first electrically charged colored particle and a plurality of second electrically charged colored particle, in order to receive a light source that does not pass through optical filter, and this second sub-pixel comprises a plurality of the 3rd electrically charged colored particle and a plurality of four-tape electric charge colored particle, in order to receive this light source;
Wherein these first, second, third and four-tape electric charge colored particle have at least three kinds of colors altogether.
2. image display system as claimed in claim 1, wherein the color of these first electrically charged colored particles is same as the color of these the 3rd electrically charged colored particles and is different from the color of these four-tape electric charge colored particles, and the color of these second electrically charged colored particles be different from these the 3rd and the color of four-tape electric charge colored particle.
3. image display system as claimed in claim 2, wherein these first, second or the color of four-tape electric charge colored particle comprise: redness, green, blueness, carmetta, cyan or yellow.
4. image display system as claimed in claim 1, wherein this first and this second sub-pixel have an electrophoresis showed layer respectively, it comprises solvent, liquid or air, make these first, second, third, and four-tape electric charge colored particle be positioned at this corresponding electrophoresis showed layer.
5. image display system as claimed in claim 4, wherein this display device also comprises a reflection horizon, is arranged at this electrophoresis showed layer below, to reflect this light source.
6. image display system as claimed in claim 1, wherein these first, second, third and four-tape electric charge colored particle contain dyestuff or pigment respectively.
7. image display system as claimed in claim 1 also comprises:
One flat-panel screens comprises this display device; And
One input block is coupled to this flat-panel screens, in order to provide input signal to this flat-panel screens, makes this flat-panel screens display image.
8. image display system as claimed in claim 7, wherein this image display system comprises that one has the electronic installation of this flat-panel screens.
9. image display system as claimed in claim 8, wherein this electronic installation comprises: a projector, an e-book, a mobile computer, a mobile phone, a digital camera, a personal digital assistant, a desktop PC, a televisor, an automobile-used display or a portable DVD player.
10. image display system comprises:
One display device has a pixel unit array, and each pixel cell is made of single sub-pixel;
Wherein this sub-pixel comprises a plurality of first electrically charged colored particle, a plurality of second electrically charged colored particle and a plurality of the 3rd electrically charged colored particle, in order to receive a light source that does not pass through optical filter;
Wherein these first, second, third electrically charged colored particles have the color that differs from one another.
11. image display system as claimed in claim 10 also comprises a plurality of four-tape electric charge colored particles, it has the color that is different from these first, second, third electrically charged colored particles.
12. image display system as claimed in claim 11, wherein the color of these four-tape electric charge colored particles comprises: redness, green, blueness, carmetta, cyan or yellow.
13. image display system as claimed in claim 11, wherein these first, second, third and four-tape electric charge colored particle contain dyestuff or pigment respectively.
14. image display system as claimed in claim 10, wherein this sub-pixel has an electrophoresis showed layer, and it comprises solvent, liquid or air, make these first, second, and the 3rd electrically charged colored particle be positioned at this electrophoresis showed layer.
15. image display system as claimed in claim 14, wherein this display device also comprises a reflection horizon, is arranged at this electrophoresis showed layer below, to reflect this light source.
16. image display system as claimed in claim 10, wherein these first, second or the color of the 3rd electrically charged colored particle comprise: redness, green, blueness, carmetta, cyan or yellow.
17. image display system as claimed in claim 10 also comprises:
One flat-panel screens comprises this display device; And
One input block is coupled to this flat-panel screens, in order to provide input signal to this flat-panel screens, makes this flat-panel screens display image.
18. image display system as claimed in claim 17, wherein this image display system comprises that one has the electronic installation of this flat-panel screens.
19. image display system as claimed in claim 18, wherein this electronic installation comprises: a projector, an e-book, a mobile computer, a mobile phone, a digital camera, a personal digital assistant, a desktop PC, a televisor, an automobile-used display or a portable DVD player.
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| CN2010101944110A CN102262327A (en) | 2010-05-28 | 2010-05-28 | Image display system |
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| CN2010101944110A CN102262327A (en) | 2010-05-28 | 2010-05-28 | Image display system |
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Cited By (7)
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| CN103543570A (en) * | 2012-07-17 | 2014-01-29 | 希毕克斯影像有限公司 | Light-enhancing structure for electrophoretic display |
| CN103576404A (en) * | 2012-08-09 | 2014-02-12 | 余志刚 | Electronic ink paper capable of displaying black and white as well as colored patterns |
| CN103576402A (en) * | 2012-08-01 | 2014-02-12 | 余志刚 | Transparent electronic ink paper |
| CN105448207A (en) * | 2015-12-18 | 2016-03-30 | 英华达（南京）科技有限公司 | Display device and method |
| JP2016517045A (en) * | 2013-04-18 | 2016-06-09 | イー・インク・カリフォルニア・リミテッド・ライアビリティ・カンパニーＥ Ｉｎｋ Ｃａｌｉｆｏｒｎｉａ，Ｌｌｃ | Color display device |
| US10126628B2 (en) | 2013-04-18 | 2018-11-13 | E Ink California, Llc | Color display device |
| CN111048694A (en) * | 2019-12-16 | 2020-04-21 | 安徽熙泰智能科技有限公司 | Silicon-based OLED display chip and full-color display method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103543570A (en) * | 2012-07-17 | 2014-01-29 | 希毕克斯影像有限公司 | Light-enhancing structure for electrophoretic display |
| CN103576402A (en) * | 2012-08-01 | 2014-02-12 | 余志刚 | Transparent electronic ink paper |
| CN103576404A (en) * | 2012-08-09 | 2014-02-12 | 余志刚 | Electronic ink paper capable of displaying black and white as well as colored patterns |
| JP2016517045A (en) * | 2013-04-18 | 2016-06-09 | イー・インク・カリフォルニア・リミテッド・ライアビリティ・カンパニーＥ Ｉｎｋ Ｃａｌｉｆｏｒｎｉａ，Ｌｌｃ | Color display device |
| US10126628B2 (en) | 2013-04-18 | 2018-11-13 | E Ink California, Llc | Color display device |
| CN105448207A (en) * | 2015-12-18 | 2016-03-30 | 英华达（南京）科技有限公司 | Display device and method |
| CN105448207B (en) * | 2015-12-18 | 2018-03-30 | 英华达（南京）科技有限公司 | Display device and display methods |
| CN111048694A (en) * | 2019-12-16 | 2020-04-21 | 安徽熙泰智能科技有限公司 | Silicon-based OLED display chip and full-color display method thereof |
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Application publication date: 20111130 |