CN104142595A - Front luminous bi-stable-state electronic reader - Google Patents
Front luminous bi-stable-state electronic reader Download PDFInfo
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- CN104142595A CN104142595A CN201310170733.5A CN201310170733A CN104142595A CN 104142595 A CN104142595 A CN 104142595A CN 201310170733 A CN201310170733 A CN 201310170733A CN 104142595 A CN104142595 A CN 104142595A
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Abstract
The invention relates to a front luminous bi-stable-state electronic reader. A light source and a light diffusion plate are arranged in front of a bi-stable-state displayer panel, and high refractive index substance is filled between the light diffusion plate and the bi-stable-state displayer panel. The front luminous bi-stable-state electronic reader which can be self-luminous has the advantage that the front luminous bi-stable-state electronic reader can be used under normal illumination, in a dim environment and even in the night, so that the application range of existing electrophoretic displayer products is expanded greatly.
Description
Technical field
The present invention relates to is a kind of screen display device of electronic reader, especially has the bi-stable electronic paper reader of preposition lighting function.
Background technology
Along with the development of electronic technology, electronic paper technology is also more and more applied, for example electrophoresis-type electronic paper technology is exactly one wherein, generally speaking, common display device of electronic paper comprises a front shroud, an electrophoretic fluid capsule layer and a thin film transistor (TFT) array substrate at present, and wherein front shroud has a demonstration module upper epidermis; Electrophoretic fluid capsule layer has with charged particle start and has the display material (being electric ink) of bistable state (Bi-Stable).As in Chinese patent 200710107028 just taking the electrophoretic fluid capsule layer of a prior art as example: charged particle for example, is contained in microcapsules, as shown in Figure 1 as the different positive charge of color and negative charge (: black and white) and charged particle and a transparent fluid.In the time that the electric field between each pixel electrode and the demonstration module upper epidermis of thin-film transistor array base-plate changes, different colours positive charge and negative charge just can move up or down according to direction of an electric field, and then make each microcapsules present black or white.In addition, microcapsules also can include single electric charge and the opaque fluid (for example: black and white) that color is different.When electric field between each pixel electrode of thin-film transistor array base-plate and demonstration module upper epidermis changes, single electric charge in charged particle just can move up or down according to direction of an electric field, and concentrate on certain one side in microcapsules, make each microcapsules present black or white.
In addition, a kind of display packing and electrophoresis type display of electrophoresis type display are also disclosed in Chinese patent 200910006217, what disclose is a kind of display packing and electrophoresis type display of electrophoresis type display, described method includes the following step and corresponding display device: be first the demonstration of carrying out image frame, and between every two image frames, remove the image of last image frame by demonstration the first color.Then, in the time that the quantity of shown image frame reaches predetermined quantity, just make into momently between every two image frames, by first showing one of them of the first color and the second color, and then show the first color and the second color wherein another, remove the image of last image frame.
That the product that above-mentioned two disclosed technology of document are produced has is low in energy consumption, do not hinder eyes, the many advantages of storage such as be easy to carry, but this display screen is because the principle of basic structure and the modal LCDs of prior art different, there is no backlight assembly, therefore be merely able to use under the stronger environment of light, can not equally with common liquid crystals display in dark environment, use, therefore, this characteristic is limited by very large the application of the electronic product that adopts preposition luminous bi-stable electronic paper reader in the use.
In order to overcome these deficiencies and shortcoming at present, also there are some schemes open, for example, in Chinese patent 001226398, a kind of liquid crystal board is disclosed exactly, and a front light-source for the liquid crystal board that throws light on, wherein front light-source comprises: a light source, comprises a light emitting diode; An optical plate; With each multiple prism-type lens that contact with optical plate lower surface, wherein the xsect of each prism-type lens has antiparallelogram shape in the plane perpendicular to its side; The definite plane of upper base by the antiparallelogram xsect of each prism-type lens contacts with the lower surface of optical plate, and wherein said upper base is shorter that in a pair of opposing parallel limit; And the obtuse angle Φ of antiparallelogram xsect and the cirtical angle of total reflection θ of optical plate meet the certain relation of relation.Such scheme has certain effect, but produces error owing to having in the time that the lower surface of optical plate contacts with prism planes when contact gap and manufacture are assembled, and can cause light to produce loss in the time of reflection and refraction, and therefore reduce intensity of illumination.
Summary of the invention
The invention provides a kind of preposition luminous bi-stable electronic paper reader, there are autoluminescence parts, and become one at autoluminescence parts and display panel, and between it filling without the high index of refraction stuff of solid form, not only can under the stronger environment of light, use, also can be at light more secretly, even in night, use, and can automatically adjust to intensity of illumination.
Technical scheme of the present invention is:
A kind of preposition luminous bi-stable electronic paper reader arranges leaded light source before bistable display panel, non-solid-state stuff between leaded light source and bistable display panel, and become one.
Further, described non-solid-state stuff have high index of refraction.
Further, described non-solid-state stuff are the plastic cement shape transparent body.
Further, described non-solid-state stuff are liquid.
Further, leaded light source and light source incident direction are extexine parallel direction.
Further, to be that extexine is parallel with light source incident direction slightly depart from leaded light source.
Further, outer skin surface has smooth surface, and extexine inner surface has certain roughness.
Further, the light reflection device arranging in the end in leaded light source.
Further, light reflection device is catoptron or optical reflector.
Further, the connection of light source is with close can be by gauge tap manually or automatically.
Further, whether the connection of light source is that the information obtaining based on light sensor changes.
Like this, by above-mentioned technical scheme, the effect that the present invention can reach is: this can self luminous preposition luminous bi-stable electronic paper reader, not only can under normal illumination, use, also under can light darker environment, use, or even use in night, automatically control display screen brightness, greatly expand the range of application of existing electrophoresis type display series products.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described.
Figure l is filling high index of refraction material schematic diagram between preposition luminous bi-stable electronic paper reader panel proposed by the invention;
Fig. 2 is the preposition luminous bi-stable electronic paper reader section of structure that the present invention proposes;
Fig. 3 be the present invention propose from the surface light road, extexine medial and lateral of preposition luminous bi-stable electronic paper reader partial schematic diagram;
In figure, illustrate: 1, extexine; 2, show module upper epidermis; 3, electrophoretic fluid capsule; 4, thin film transistor (TFT) array substrate; 5, leaded light source; 6, catoptron; 7, packaging body; 11, extexine inner surface; 12, extexine outer surface; 21, projection; 22, stuff.
Embodiment
Application of the present invention is preposition luminous bi-stable electronic paper reader, and the display screen that particularly can also can use under compared with half-light line, illustrates by following embodiment.
In an embodiment, here a kind of preposition luminous bi-stable electronic paper reader component, as shown in Figures 2 and 3, basic structure comprises extexine 1, glass or plastic material with light-permeable are made, below extexine 1, be to show module upper epidermis 2, be exactly down electrophoretic fluid capsule 3 again, here show the formant of character, secondly be thin film transistor (TFT) array substrate 4, comprise a lot of function elements, here, because above-mentioned basic structure and concrete device are all same as the prior art or similar, be not therefore here described in further detail.
On the basis of said structure, be provided with leaded light source 5 at the edge of extexine 1, as Fig. 2, shown in 3, leaded light source 5 light source incident directions are extexine 1, from the direction consistent with extexine 1 plane parallel, enter from the incident of the edge of extexine 1, extexine 1 has extexine inner surface 11 and extexine outer surface 12, simultaneously, also can be with the incident of certain inclination angle, inclination direction departs from and shows module upper epidermis 2 directions, can depart from up or down, before bistable display panel, astigmatism plate is set, it is extexine 1, filling high index of refraction material between extexine 1 and demonstration module upper epidermis 2, be stuff 22.In some cases, the surface of extexine inner surface 11 and extexine outer surface 12 is smooth surface, when the light of injecting when leaded light source 5 enters into extexine 1, when the incident angle of light is greater than the critical angle of extexine 1, can there is total reflection, until in the time that condition changes, now reflect, or there is part light because incident angle reflects compared with the little extexine inner surface 11 that penetrates, light now can form scattering by transmission display module upper epidermis 2, also having a reason is that protective seam inner surface 11 is not completely smooth and cause less scattering, can illuminate like this electrophoretic fluid capsule 3, user just can see the variation of electrophoretic fluid capsule 3 different colors under darker condition, that is to say and can see character.
In order to reach above-mentioned illuminating effect better, can make the protective seam inner surface 11 of extexine 1 there is suitable roughness, as shown in accompanying drawing 1,2; be provided with projection 21; surface has certain texture, just can increase the effect of light scattering, has also just increased the effect of illumination.
Especially, in order to reduce better the loss of light, filling high index of refraction material between extexine 1 and demonstration module upper epidermis 2, be stuff 22, this is a kind of non-solid-state stuff, can be with any shape filling, like this, just be easy to be filled in the gap between various cracks and plate film, particularly, in the time thering is irregularly shaped and error between plate film, more easily automatically make up into as a whole.
The stuff 22 here have high index of refraction, and are the plastic cement shape transparent body, and certainly, described non-solid-state stuff also can be liquid state.
For ease of assembly and ensure the quality of products, can be by extexine inner surface 11 and demonstration module 2 bonding joining of upper epidermis, show module upper epidermis 2 and electrophoretic fluid capsule layer 3 close proximity, can engage by pressing or bonding mode, or by the plastering agent of high printing opacity, like this, the light of injecting is easier to reflect, therefore the reflection ray producing at electrophoretic fluid capsule layer 3 is more, and better in display effect, contrast is power saving by force and more.
Meanwhile, in order to strengthen light luminance, the light reflection device that the direction relative with extexine 1 arranges in leaded light source 5, namely catoptron 6, also can other optical reflector, and it can reflect back diffusion or scattered beam again, plays the effect of enhancing.
In addition, this preposition luminous bi-stable electronic paper reader can also have packaging body 7, can be that solid material mechanical processes, and can be also that colloid condense forms, and preposition luminous bi-stable electronic paper reader is assembly in this way, also can be without this packaging body 7.
In order to reduce power consumption and heat, leaded light source 5 is cold light source, particularly can adopt ultra-bright LED device as light source device.
When light is stronger by day, can close leaded light source 5, and in the time of insufficient light conducting leaded light source 5, can, by manually controlling, also can realize by automatic control switch.
For realizing automatic control, a light sensor can be set, conventionally can be photosensitive tube or photoresistance, and the connection of light source whether and intensity size be that the information obtaining based on light sensor changes.
Like this, just complete object of the present invention and reached illumination and the effect of enhancing light by above-mentioned structure and method, and there is simple in structure, the easy feature of production.
Although minority preferred embodiment of the present invention has only been described here, its meaning not limits the scope of the invention, applicability and configuration.On the contrary, can make those skilled in the art be implemented to the detailed description of embodiment.Will be understood that without departing from the spirit and scope as defined in the invention, can make the appropriate changes and modifications some details.
Claims (10)
1. a preposition luminous bi-stable electronic paper reader, have extexine, its display is bistable display, it is characterized in that: leaded light source is set before bistable display panel, non-solid-state stuff between leaded light source and bistable display panel, and become one.
2. preposition luminous bi-stable electronic paper reader as claimed in claim 1, is characterized in that: described non-solid-state stuff have high index of refraction.
3. preposition luminous bi-stable electronic paper reader as claimed in claim 1, is characterized in that: described non-solid-state stuff are the plastic cement shape transparent body.
4. preposition luminous bi-stable electronic paper reader as claimed in claim 1, is characterized in that: described non-solid-state stuff are for liquid.
5. preposition luminous bi-stable electronic paper reader as claimed in claim 1,, it is characterized in that: leaded light source and light source incident direction are extexine parallel direction.
6. preposition luminous bi-stable electronic paper reader as claimed in claim 1, is characterized in that: to be that extexine is parallel with light source incident direction slightly depart from leaded light source.
7. preposition luminous bi-stable electronic paper reader as claimed in claim 1, it is characterized in that: outer skin surface has smooth surface, and extexine inner surface has certain roughness.
8. preposition luminous bi-stable electronic paper reader as claimed in claim 1, is characterized in that: the light reflection device arranging in the end in leaded light source, light reflection device is catoptron or optical reflector.
9. preposition luminous bi-stable electronic paper reader as claimed in claim 1, is characterized in that: the connection of light source is with close can be by gauge tap manually or automatically.
10. preposition luminous bi-stable electronic paper reader as claimed in claim 9, is characterized in that: whether the connection of light source is that the information obtaining based on light sensor changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310170733.5A CN104142595A (en) | 2013-05-10 | 2013-05-10 | Front luminous bi-stable-state electronic reader |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310170733.5A CN104142595A (en) | 2013-05-10 | 2013-05-10 | Front luminous bi-stable-state electronic reader |
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| CN104142595A true CN104142595A (en) | 2014-11-12 |
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| CN201310170733.5A Pending CN104142595A (en) | 2013-05-10 | 2013-05-10 | Front luminous bi-stable-state electronic reader |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017219803A (en) * | 2016-06-10 | 2017-12-14 | 凸版印刷株式会社 | Display device and display method |
| CN109769044A (en) * | 2017-11-09 | 2019-05-17 | 天翼电信终端有限公司 | A kind of mobile terminal |
| CN110928099A (en) * | 2019-12-24 | 2020-03-27 | 厦门天马微电子有限公司 | Electronic paper and driving method thereof |
| CN113050328A (en) * | 2021-03-15 | 2021-06-29 | 合肥京东方光电科技有限公司 | Front module and display device |
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| US5894367A (en) * | 1996-09-13 | 1999-04-13 | Xerox Corporation | Twisting cylinder display using multiple chromatic values |
| CN1289065A (en) * | 1999-08-11 | 2001-03-28 | 株式会社半导体能源研究所 | Front light-source and electronic apparatus |
| CN201820428U (en) * | 2010-05-31 | 2011-05-04 | 汉王科技股份有限公司 | Electronic paper reading device with lighting function |
| CN102122449A (en) * | 2010-01-11 | 2011-07-13 | 汉王科技股份有限公司 | Electronic paper reader capable of providing illumination |
| CN102254457A (en) * | 2010-05-21 | 2011-11-23 | 汉王科技股份有限公司 | Ebook reader and illumination control method thereof |
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2013
- 2013-05-10 CN CN201310170733.5A patent/CN104142595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5894367A (en) * | 1996-09-13 | 1999-04-13 | Xerox Corporation | Twisting cylinder display using multiple chromatic values |
| CN1289065A (en) * | 1999-08-11 | 2001-03-28 | 株式会社半导体能源研究所 | Front light-source and electronic apparatus |
| CN102122449A (en) * | 2010-01-11 | 2011-07-13 | 汉王科技股份有限公司 | Electronic paper reader capable of providing illumination |
| CN102254457A (en) * | 2010-05-21 | 2011-11-23 | 汉王科技股份有限公司 | Ebook reader and illumination control method thereof |
| CN201820428U (en) * | 2010-05-31 | 2011-05-04 | 汉王科技股份有限公司 | Electronic paper reading device with lighting function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017219803A (en) * | 2016-06-10 | 2017-12-14 | 凸版印刷株式会社 | Display device and display method |
| CN109769044A (en) * | 2017-11-09 | 2019-05-17 | 天翼电信终端有限公司 | A kind of mobile terminal |
| CN110928099A (en) * | 2019-12-24 | 2020-03-27 | 厦门天马微电子有限公司 | Electronic paper and driving method thereof |
| CN113050328A (en) * | 2021-03-15 | 2021-06-29 | 合肥京东方光电科技有限公司 | Front module and display device |
| CN113050328B (en) * | 2021-03-15 | 2023-02-28 | 合肥京东方光电科技有限公司 | Front module and display device |
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Application publication date: 20141112 |
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