CN103426361A - Display device - Google Patents
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- CN103426361A CN103426361A CN2012101593537A CN201210159353A CN103426361A CN 103426361 A CN103426361 A CN 103426361A CN 2012101593537 A CN2012101593537 A CN 2012101593537A CN 201210159353 A CN201210159353 A CN 201210159353A CN 103426361 A CN103426361 A CN 103426361A
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- display device
- transparent vessel
- luminescence unit
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Abstract
An embodiment of the invention provides a display device. The display device comprises a transparent container, a first driving unit, an upper pole plate, a second driving unit, a lower pole plate, a light emitting unit and a luminance control unit. The transparent container is filled with a composition, wherein the composition comprises liquid carriers and electrified light-reflecting particles. The first driving unit is used for providing first driving signals. The upper pole plate is connected with the first driving unit, arranged on the upper surface of the transparent container, and used for generating first voltage according to the first driving signals. The second driving unit is used for providing second driving signals. The lower pole plate is connected with the second driving unit, arranged on the lower surface of the transparent container, and used for generating second voltage according to the second driving signals. The light emitting unit is arranged on one side surface of the transparent container and used for emitting light to the transparent container from the side surface of the transparent container. The luminance control unit is used for determining the first driving signals provided by the first driving unit and/or the second driving signals provided by the second driving unit according to the position of light paths.
Description
Technical field
The embodiment of the present invention relates to a kind of display device.
Background technology
Along with scientific and technological development, for example various terminal electronic equipment of personal computer, portable computer, smart mobile phone, multimedia player, e-book and so on have been proposed.The user can use easily these terminal devices to watch video, browsing page, carry out video/audio conversation etc.Along with these electronic equipments are widely used, display technique has also become current study hotspot.The for example various display techniques of LCD, LED, OLED, mirasol, E-ink, DMS and so on have been proposed at present.Yet the display screen power consumption in existing electronic equipment is large, manufacturing cost is high.
Summary of the invention
Therefore, the present invention wishes to propose a kind of new display technique to overcome the above problems.
One embodiment of the present of invention provide a kind of display device, comprising: transparent vessel, be filled with composition, and wherein composition comprises liquid-carrier and charged light-reflecting particles; The first driver element, configuration provides the first driving signal; Top crown, be connected with the first driver element, is arranged on the upper surface of transparent vessel, and configuration produces the first voltage according to the first driving signal; The second driver element, configuration provides the second driving signal; Bottom crown, be connected with the second driver element, is arranged on the lower surface of transparent vessel, and configuration comes to produce second voltage according to the second driving signal; Luminescence unit, be arranged on the side of transparent vessel, and configuration comes side from transparent vessel to the transparent vessel emission of light, wherein from the light of luminescence unit emission through composition, to form light-path in composition; Brightness control unit, configuration comes the position according to light-path, the first the second driving signal that drives signal and/or the second driver element to provide that the first driver element provides is provided, wherein, under the effect of the first voltage and second voltage, the charged light-reflecting particles of at least a portion is arranged in light-path.
Display device according to the embodiment of the present invention, in its transparent vessel, filling bag is containing the composition of liquid-carrier and charged light-reflecting particles, and make the charged light-reflecting particles of at least a portion be arranged in through transparent vessel light at light-path, to form suspension, thereby it is existing that the charged light-reflecting particles under the irradiation of incident ray in light-path produces dindar to light scattering, and shown to the user by the charged light-reflecting particles to light scattering.Provide a kind of new display technique according to the embodiment of the present invention, with respect to existing display technique, configuration structure is simpler, and has improved the utilization factor of the light to sending from luminescence unit.In addition, can reduce the power consumption of display device by display technique according to an embodiment of the invention, and can reduce the manufacturing cost of display device.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, the accompanying drawing of required use in the embodiments of the invention description below will briefly be described.
Fig. 1 has described the demonstrative structure block diagram of display device according to an embodiment of the invention.
Fig. 2 shows the schematic diagram of an example of the display device shown in Fig. 1.
Fig. 3 A shows in the display device according to the embodiment of the present invention, and top crown and bottom crown do not apply the schematic diagram of an illustrative case of electric field to composition.
Fig. 3 B shows in the display device according to the embodiment of the present invention, and top crown and bottom crown apply the schematic diagram of an illustrative case of electric field to composition.
Embodiment
Hereinafter, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing.Note, in this instructions and accompanying drawing, there is substantially the same element and mean with identical Reference numeral, and will be omitted the repetition of explanation of these elements.
Fig. 1 has described the demonstrative structure block diagram of display device according to an embodiment of the invention.Below, with reference to Fig. 1, the display device 100 according to the embodiment of the present invention is described.As shown in Figure 1, display device 100 comprises transparent vessel 110, the first driver element 120, top crown 130, the second driver element 140, bottom crown 150, luminescence unit 160 and brightness control unit 170.
Be filled with composition in transparent vessel 110.Composition can comprise liquid-carrier and charged light-reflecting particles.In the situation that composition is not applied to electric field, charged light-reflecting particles is sunken to the bottom of liquid-carrier.According to an example of the present invention, liquid-carrier can be nonconducting transparency liquid, and charged light-reflecting particles can be the artificial synthetic particulate with electric charge of charged microcapsules and so on for example.
The first driver element 120 can provide the first driving signal to top crown 130.Top crown 130 is connected with the first driver element 120, and is arranged on the upper surface of transparent vessel 110.Top crown 130 can produce the first voltage according to the first driving signal.According to an example of the present invention, top crown 130 is transparent in addition.
The second driver element 140 can provide the second driving signal to bottom crown 150.Bottom crown 150 is connected with the second driver element 140, and is arranged on the lower surface of transparent vessel.Bottom crown 150 can produce second voltage according to the second driving signal.According to an example of the present invention, bottom crown 150 is transparent in addition.
The side of reliable near-transparent container 110, for example, in the situation that transparent vessel 110 is cuboid container, the surface substantially vertical with lower surface with above-mentioned transparent vessel 110 upper surfaces, luminescence unit 160 is set, so that luminescence unit 160 is from the side of transparent vessel 110 to transparent vessel 110 emission of lights.Particularly, can be through the composition transparent vessel 110, to form light-path in composition from the light of luminescence unit 160 emissions.According to an example of the present invention, luminescence unit 160 can and the plane at the lower surface place of display device 100 between there is preset distance.When thereby when the composition in transparent vessel 110 not being applied to electric field, charged light-reflecting particles is sunken to the bottom of liquid-carrier, even luminescence unit 160 also can not shine the light-reflecting particles of the bottom that is positioned at transparent vessel from the side of transparent vessel 110 to transparent vessel 110 emission of lights, thereby the light of having avoided light-reflecting particles mistakenly luminescence unit 160 to be gone out is reflected.
Brightness control unit 170 can be according to the position of light-path, the first the second driving signal that drives signal and/or the second driver element 140 to provide that the first driver element 120 provides is provided, and then control the second voltage that the first voltage that top crown 130 produces and/or bottom crown 150 produce, so that under the effect of the first voltage and second voltage, the charged light-reflecting particles of at least a portion moves to light-path from the bottom of liquid-carrier.Thereby in transparent vessel 110 incident ray form the suspension that comprises charged light-reflecting particles on the path of process, under the irradiation of incident ray,, charged light-reflecting particles to light scattering (that is producing Tyndall phenomenon).
According to an example of the present invention, when opening display device 100, the second driver element 140 can provide the second predetermined driving signal for bottom crown, so that bottom crown produces predetermined second voltage, and brightness control unit 170 can be according to the position of light-path, determine the first driving signal that the first driver element 120 provides, the first voltage produced to control top crown, vice versa.Replacedly, brightness control unit 170 also can be controlled the both drive signals that the first driver element 120 and the second driver element 140 provide according to the position of light-path.
Display device according to the present embodiment, in its transparent vessel, filling bag is containing the composition of liquid-carrier and charged light-reflecting particles, and make the charged light-reflecting particles of at least a portion be arranged in through transparent vessel light at light-path, to form suspension, thereby it is existing that the charged light-reflecting particles under the irradiation of incident ray in light-path produces dindar to light scattering, and shown to the user by the charged light-reflecting particles to light scattering.According to the display device of the embodiment of the present invention, with respect to existing display device, structure is simpler, and has improved the utilization factor of the light to sending from luminescence unit.In addition, can reduce the power consumption of display device by display device according to an embodiment of the invention, and can reduce the manufacturing cost of display device.
Fig. 2 shows the schematic diagram of an example of the display device shown in Fig. 1.As shown in Figure 2, top crown 130, transparent vessel 110 and bottom crown 150 are set to layer structure.Luminescence unit 160 is arranged on the side of transparent vessel 110, and from the side of transparent vessel 110 to transparent vessel 110 emission of lights.
According to an example of the present invention, top crown 130 can be the first film field effect transistor (TFT) film on upper surface, and similarly, bottom crown 150 can be the 2nd TFT film on lower surface.The one TFT film and the 2nd TFT film can be transparent.In addition, comprise liquid-carrier and charged light-reflecting particles composition (as shown in the grey color part in the transparent vessel 110 of Fig. 2) being filled with in transparent vessel 110.
Fig. 3 A shows in the display device 100 according to the embodiment of the present invention, and top crown 130 and bottom crown 150 do not apply the schematic diagram of an illustrative case of electric field to composition.When top crown 130 do not produce the first voltage and and bottom crown 150 while not producing second voltage, as shown in Figure 3A, charged light-reflecting particles is sunken to the bottom of the liquid-carrier (as shown in the dash area in Fig. 3 A) in transparent vessel 110.Due to luminescence unit 160 can and the plane at the lower surface place of display device 100 between there is preset distance, the light that luminescence unit 160 sends can not shine the light-reflecting particles that is positioned at the liquid-carrier bottom, thereby the light that light-reflecting particles does not go out luminescence unit 160 is reflected.
Fig. 3 B shows in the display device 100 according to the embodiment of the present invention, and 150 pairs of compositions of top crown 130 and bottom crown apply the schematic diagram of an illustrative case of electric field.When the first drive unit drives top crown 130 with produce the first voltage and and the second drive unit drives bottom crown 150 when producing second voltage, as shown in Figure 3 B, the bottom from liquid-carrier shown in a part of charged light-reflecting particles Fig. 3 A moves in light-path (as shown in the grey arrow Fig. 3 B).Thereby in transparent vessel 110 incident ray form the suspension that comprises charged light-reflecting particles on the path of process, under the irradiation of incident ray, charged light-reflecting particles is to through the light scattering of transparent vessel 110, makes the user can observe " path " of the light occurred in colloid in the vertical direction with incident light (as shown in black arrow vertical with light-path in Fig. 3 B).
According to an example of the present invention, brightness control unit can determine that the lower surface second that lower surface first that the first driver element provides drives signal and/or lower surface the second driver element to provide drives signal according to the brightness of the image that will show to the user, thereby is controlled at the charged light-reflecting particles density in the light-path of transparent vessel 110.In addition, according to another example of the present invention, brightness control unit also can be according to the intensity of the brilliance control luminescence unit emitted light of the image that will show to the user.
More specifically, in the example depicted in fig. 3, top crown 130 is the first film field effect transistor (TFT) films on upper surface, and similarly, bottom crown 150 is the 2nd TFT films on lower surface.According to an example of the present invention, the first tft array can comprise a plurality of TFT, and the second tft array comprises a plurality of the 2nd TFT, and the first tft array can with the corresponding setting of the second tft array.Brightness control unit can be determined respectively and be provided to the second driving signal that first of each TFT drives signal and/or is provided to each the 2nd TFT according to the luminance parameter of the image that will show.Each TFT can produce the first voltage according to the first driving signal that is provided to a TFT, and each the 2nd TFT produces second voltage according to the first driving signal that is provided to a TFT.That is to say, brightness control unit can independently be controlled each TFT and produce the first voltage and/or each the 2nd second voltage that TFT produces, each TFT produces that the first voltage can to produce the first voltage different from other TFT, and similarly, each the 2nd second voltage that TFT produces can from other the 2nd TFT, to produce second voltage different.Thereby can by every group of corresponding TFT arranged and the 2nd TFT control with this group the one TFT and the corresponding light-path of the 2nd TFT in the local density of charged incandescnet particle.
In the example shown in Fig. 3 B, the upper surface of transparent vessel 110 is display surface,, as the user during towards the upper surface of transparent vessel 110, can watch the light by sending from luminescence unit 160 to irradiate the shown image of having electronic particle, in the case, according to an example of the present invention, can be on the lower surface of transparent vessel 110 reflective membrane, vice versa.In addition, the upper surface of transparent vessel 110 and lower surface can be display surface, in the case, on the upper surface of transparent vessel 110 and lower surface, all do not need reflective membrane.
In the present embodiment, not only provide a kind of by the display device of utilizing Tyndall phenomenon to be shown, and the voltage that can produce each TFT in tft array by brightness control unit controlled, control the density of charged light-reflecting particles local in light-path with the Image Adjusting according to showing.
In addition, according to an example of the present invention, the display device 100 shown in Fig. 1 also can comprise the colourity control module, to control the color of the shown image of display device 100.Particularly, the colourity control module is connected with luminescence unit.The colourity control module can send corresponding color control signal to luminescence unit according to the color of the image that will show, the color of the light of being launched with the control luminescence unit.
In addition, according to another example of the present invention, when the image that will show is coloured image, the colourity control module can be in vision section time delay with predetermined time interval send the color control signal about different colours to luminescence unit so that luminescence unit with predetermined time interval change the color of the light of being launched.For example, the colourity control module can be in vision section time delay with predetermined time interval to luminescence unit, send about red, green and blue color control signal so that luminescence unit with predetermined time interval send redness, green and blue light.Thereby the stack of the image of the different colours that user's eye can send charged light-reflecting particles, form coloured image.
It should be appreciated by those skilled in the art that can be dependent on design requirement and other factors carries out various modifications, combination, part combination and replace the present invention, as long as they are in the scope of appended claims and equivalent thereof.
Claims (8)
1. a display device comprises:
Transparent vessel, be filled with composition, and wherein said composition comprises liquid-carrier and charged light-reflecting particles;
The first driver element, configuration provides the first driving signal;
Top crown, be connected with described the first driver element, is arranged on the upper surface of described transparent vessel, and configuration drives signal to produce the first voltage according to described first;
The second driver element, configuration provides the second driving signal;
Bottom crown, be connected with described the second driver element, is arranged on the lower surface of described transparent vessel, and configuration comes to drive signal to produce second voltage according to described second;
Luminescence unit, be arranged on the side of described transparent vessel, and configuration comes side from described transparent vessel to described transparent vessel emission of light, wherein from the light of described luminescence unit emission through described composition, in described composition, to form light-path;
Brightness control unit, configuration comes the position according to described light-path, and the described first described the second driving signal that drives signal and/or described the second driver element to provide that described the first driver element provides is provided,
Wherein, under the effect of described the first voltage and described second voltage, the described charged light-reflecting particles of at least a portion is arranged in described light-path.
2. display device as claimed in claim 1, wherein
Described top crown is the first film field effect transistor (TFT) film on described upper surface;
Described bottom crown is the 2nd TFT film on described lower surface.
3. display device as claimed in claim 1 or 2, wherein
On described lower surface, reflective membrane is set.
4. display device as claimed in claim 2, wherein
A described TFT film comprises the first tft array; And
Described the 2nd TFT film comprises the second tft array.
5. display device as claimed in claim 4, wherein
Described the first tft array comprises a plurality of TFT;
Described the second tft array comprises a plurality of the 2nd TFT;
Described brightness control unit is determined respectively and is provided to the second driving signal that first of each described TFT drives signal and/or is provided to each described the 2nd TFT according to the luminance parameter of the image that will show;
Each described TFT produces the first voltage according to the first driving signal that is provided to a TFT; And
Each described the 2nd TFT produces second voltage according to the first driving signal that is provided to a TFT;
The second voltage that the first voltage wherein produced by each described TFT and/or each described the 2nd TFT produce, determine in the described light-path corresponding with each described TFT the density of described charged light-reflecting particles.
6. display device as claimed in claim 1 or 2 also comprises:
The colourity control module, be connected with described luminescence unit, and configuration carrys out the color according to the image that will show, to described luminescence unit, sends corresponding color control signal, to control the color of the light that described luminescence unit launched.
7. display device as claimed in claim 6, wherein
When the described image that will show is coloured image, described colourity control module in vision section time delay with predetermined time interval send the color control signal about different colours to described luminescence unit.
8. display device as claimed in claim 1, wherein
The plane, upper surface place of described luminescence unit and described display device and/or and the plane, lower surface place of described display device between there is preset distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210159353.7A CN103426361B (en) | 2012-05-21 | 2012-05-21 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210159353.7A CN103426361B (en) | 2012-05-21 | 2012-05-21 | Display device |
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| Publication Number | Publication Date |
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| CN103426361A true CN103426361A (en) | 2013-12-04 |
| CN103426361B CN103426361B (en) | 2016-03-30 |
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| CN201210159353.7A Active CN103426361B (en) | 2012-05-21 | 2012-05-21 | Display device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE209366T1 (en) * | 1996-03-15 | 2001-12-15 | Ecole Polytech | ELECTROCHROMIC OR PHOTOELECTROCHROMIC DEVICE |
| JP3610300B2 (en) * | 1999-11-08 | 2005-01-12 | キヤノン株式会社 | Electrophoretic display device and driving method thereof |
| CN101151651A (en) * | 2005-04-01 | 2008-03-26 | 皇家飞利浦电子股份有限公司 | Display panel capable of controlling brightness according to circumstance light |
| CN100456117C (en) * | 2005-07-19 | 2009-01-28 | 财团法人工业技术研究院 | Semi reflection type electrophoretic display structure |
| JP5756931B2 (en) * | 2009-12-11 | 2015-07-29 | ソニー株式会社 | Illumination device and display device |
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