CN203054415U - Improved electronic paper display device - Google Patents
Improved electronic paper display device Download PDFInfo
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- CN203054415U CN203054415U CN 201220669274 CN201220669274U CN203054415U CN 203054415 U CN203054415 U CN 203054415U CN 201220669274 CN201220669274 CN 201220669274 CN 201220669274 U CN201220669274 U CN 201220669274U CN 203054415 U CN203054415 U CN 203054415U
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- electronic paper
- light guide
- guide plate
- light
- display device
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Abstract
The utility model belongs to the technical field of electronic paper manufacturing, and particularly discloses an improved electronic paper display device. The improved electronic paper display device comprises a light guide board, an electronic paper display module and a light source arranged on the side face of the light guide board, wherein a first transparent optical cement layer used for enabling the electronic paper display module to be adhered on the light guide board is arranged between the light guide board and the electronic paper display module, and the surface of the corresponding position, away from the first transparent optical cement layer, of the light guide board is provided with a light guide film layer provided with a plurality of non-round light guide patterns. The electronic paper display device can make full use of light energy, reduces power consumption, prevents light leak, and effectively improves a reading effect.
Description
Technical field
The utility model belongs to Electronic Paper manufacturing technology field, particularly a kind of modified display device of electronic paper.
Background technology
In the prior art, display device of electronic paper is that a kind of principle of electrophoresis of utilizing moves the display that produces color contrast by the electric field driven charged particle.Itself does not have light source this display device of electronic paper, can outwards not launch light, need by reflection displaying contents be seen by the user by natural light or other environment light sources during reading.Therefore this display device of electronic paper is difficult to read in the more weak environment of dark or extraneous light, has limited the usable range of display device of electronic paper and has reduced reader's comfort.
In order to solve the problem that external environment light is difficult to read when not enough, the applicant has researched and developed a kind of name and has been called display device of electronic paper, the patent No. is CN201020279326.X, notification number is the utility model patent of CN201853038U, this display device of electronic paper comprises Electronic Paper and light guide plate, adjacent this Electronic Paper of this light guide plate arranges, it is even that it has the display brightness of realization, use comfortable and advantage applied range, but because the display surface of light guide plate and Electronic Paper has air layer or air duct, closing light source when external ambient light is sufficient uses, reflection is bigger during the interface of surround lighting by light guide plate and air, cause the contrast of Electronic Paper to descend, display effect is bad; When opening light source, light is entered from the light side of advancing of light guide plate, non-ly advance the light side and come out to all the other, this part light has just been wasted, cause luminance shortage, need to supply with the light source more energy and could satisfy display requirement, therefore research and develop and a kind ofly take full advantage of luminous energy, reduce power consumption, prevent light leak and improve the display device of electronic paper of reading effect extremely urgent.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, specifically discloses a kind of modified display device of electronic paper, and this display device of electronic paper can take full advantage of luminous energy, reduces power consumption, prevent light leak, improve reading effect effectively.
In order to reach above-mentioned technical purpose, the utility model is realized by following technical scheme:
A kind of modified display device of electronic paper described in the utility model, comprise that light guide plate, Electronic Paper show module and the light source that places the light guide plate side, described light guide plate and Electronic Paper show and be provided with between the module for Electronic Paper being shown module is adhered to the first transparent optical glue-line of light guide plate, described light guide plate and the first transparent optical glue-line away from the surface of relative position be provided with leaded light rete with some non-circular leaded light patterns.
In the utility model, the arranging rule of the leaded light pattern on the described leaded light rete is more far away more intensive apart from light source; Described leaded light pattern maximum gauge scope 1~100 μ m.
In the utility model, described leaded light pattern is star or square or triangle, or other non-circular patterns all can.
In the utility model, the leaded light rete on the surface of described light guide plate can also be to be undertaken bondingly by the second transparent optical glue-line and light guide plate, and namely light guide plate, the second transparent optical glue-line, leaded light rete set gradually.
In the utility model, in order to utilize the light of described light source better, in the utility model, non-its lap towards light guide plate of described light source is provided with the reflective membrane that described light source is surrounded, and/or the surface of the contiguous source ends of described light guide plate is provided with the reflective membrane that extends to light inlet lateral edges non-display area.
In the utility model, for the light that will spill light guide plate reflected back light guide plate again, be provided with reflective membrane in light guide plate away from the side of the non-light incidence side of source ends and/or the surface of edge non-display area.
In addition, in the utility model, Yi Bian light source can arrange light source, also can be on both sides or the polygon light source that arranges.And light source can be one or more LED lamps, use a plurality of LED lamps can make light more even, for example a plurality of LED lamps ultra-thin, the side bright dipping are welded on the ultra-thin FPC circuit board, make the very thin thickness of the integrated light source of LED lamp+FPC formation, scope 0.2 is to 1mm.
Described light guide plate 0.2~2mm, its material is PMMA, PC etc.
The described first transparent optical glue-line and the second transparent optical glue-line glue are OCA, liquid OCA etc.
Compared with prior art, the beneficial effects of the utility model are:
(1) in the utility model light guide plate is sticked together by transparent optical cement and display device of electronic paper, closing light source when externally surround lighting is sufficient uses, during the interface of external ambient light by light guide plate and transparent optical cement, because the refractive index ratio light guide plate of this transparent optical cement is slightly little, both refractive index differences are little, reflect also lessly, transmitance is big, and display effect is good.
(2) in the utility model, since described light guide plate and the first transparent optical glue-line away from the surface of relative position be provided with leaded light rete with some non-circular leaded light patterns, with in the compensation light guide plate from the light source more weak problem of distance light line more, make whole display surface light even, this film protection light guide plate prevents from drawing flower or scratches light guide plate simultaneously;
(3) in the utility model, non-its lap towards light guide plate of described light source is provided with the reflective membrane that described light source is surrounded, and/or reflective membrane extends to light inlet lateral edges non-display area; Be provided with reflective membrane in the side of the non-light incidence side of light guide plate and/or the surface of edge non-display area.With the light that spills reflected back light guide plate again, take full advantage of luminous energy, reduce power consumption, prevent light leak, greatly improved the reading effect of Electronic Paper.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Fig. 1 is the utility model embodiment one described modified display device of electronic paper structural representation;
Fig. 2 is the utility model embodiment two described modified display device of electronic paper structural representations;
Fig. 3 is the light source end enlarged diagram of above-mentioned Fig. 2;
Fig. 4 is the non-light source end enlarged diagram of above-mentioned Fig. 2;
Fig. 5 is the utility model embodiment three described modified display device of electronic paper structural representations;
Fig. 6 is the utility model embodiment four described modified display device of electronic paper structural representations.
Embodiment
Embodiment one:
As shown in Figure 1, a kind of modified display device of electronic paper described in the utility model, comprise that light guide plate 101, Electronic Paper show module 103 and the light source 105 that places light guide plate 101 sides, described light guide plate 101 and Electronic Paper show and be provided with between the module 103 for Electronic Paper being shown module 103 is adhered to the first transparent optical glue-line 102 of light guide plate 101, described light guide plate 101 and the first transparent optical glue-line 102 away from the surface of relative position be provided with leaded light rete 104 with some non-circular leaded light patterns.Wherein, the leaded light pattern can be arranged on the medial surface of leaded light rete 104, also can be arranged on the lateral surface of leaded light rete 104, and is preferred, with the medial surface of leaded light pattern setting leaded light rete 104, more can strengthen the reflecting effect of leaded light rete 104.
In the utility model, the arranging rule of the leaded light pattern on the described leaded light rete 104 is more far away more intensive apart from light source 105; Described leaded light pattern maximum gauge scope 1~100 μ m, described leaded light pattern is star or square or triangle, or other non-circular patterns all can.
In addition, in order to have light guide effect preferably, described light guide plate 101 thickness ranges are 0.2~2mm, and its material is PMMA, PC etc.; The first transparent optical glue-line 102 is OCA, liquid OCA etc., water white transparency, light transmission rate more than 90%, consolidation strength is good.Light source 105 can just arrange light source 105 on one side, also can be on both sides or the polygon light source 105 that arranges, and light source 105 can be one or more LED lamps, use a plurality of LED lamps can make light more even, for example a plurality of LED lamps ultra-thin, the side bright dipping are welded on the ultra-thin FPC circuit board, make the very thin thickness of the integrated light source 105 of LED lamp+FPC formation, scope 0.2 is to 1mm.
Embodiment two:
Present embodiment and embodiment one are basic identical, its difference is: as Fig. 2~shown in Figure 4, for the light that will spill reflected back light guide plate 101 again, non-its lap towards light guide plate 101 of described light source 105 is provided with the reflective membrane 109 that described light source is surrounded, and/or reflective membrane extends to light inlet lateral edges non-display area; The side of light guide plate 101 non-incident light sides and the surface of non-display area are provided with reflective membrane 107.
As shown in Figure 3, reflective membrane 107 all reflects into light guide plate 101 with the light of light source 105, and the emergent light with the light inlet lateral edges is reflected back into light guide plate 101 again simultaneously; As shown in Figure 4, the emergent light that the reflective membrane 107 that the side of light guide plate 101 non-incident light sides and the surface of non-display area are provided with also will not work is reflected back light guide plate 101 again, so just can take full advantage of luminous energy, reduce power consumption, make light more even, reduce light leak, improve reading effect.
Embodiment three:
Present embodiment and embodiment one are basic identical, its difference is: as shown in Figure 5, the leaded light rete 104 on the surface of described light guide plate 101 can also be to carry out bonding by the second transparent optical glue-line 106 with light guide plate 101, be that light guide plate 101, the second transparent optical glue-line 106, leaded light rete 104 set gradually, leaded light rete 104 and light guide plate 101 stick together by the second transparent optical glue-line 106, guarantee that leaded light rete 104 can not come off or perk.The second transparent optical glue-line 106 is the same with the first transparent optical glue-line 102, also is OCA, liquid OCA etc., water white transparency, light transmission rate more than 90%, consolidation strength is good.
Embodiment four:
Present embodiment and above-described embodiment three are basic identical, its difference is: as shown in Figure 6, non-its lap towards light guide plate 101 of described light source 105 is provided with the reflective membrane reflective membrane 107 that described light source is surrounded, and/or reflective membrane extends to light inlet lateral edges non-display area.Reflective membrane 107 all reflects into light guide plate 101 with the light of light source 106, and the emergent light with the light inlet lateral edges is reflected back into light guide plate 101 again simultaneously; The side of light guide plate 101 non-incident light sides and the surface of non-display area are provided with reflective membrane 107, and also the emergent light that will not work reflected back light guide plate 101 again so just can take full advantage of luminous energy, reduce power consumption, make light more even, reduce light leak, improve reading effect.
Claims (10)
1. modified display device of electronic paper, comprise that light guide plate, Electronic Paper show module and the light source that places the light guide plate side, it is characterized in that: described light guide plate and Electronic Paper show and be provided with between the module for Electronic Paper being shown module is adhered to the first transparent optical glue-line of light guide plate, described light guide plate and the first transparent optical glue-line away from the surface of relative position be provided with leaded light rete with some non-circular leaded light patterns.
2. modified display device of electronic paper according to claim 1, it is characterized in that: the arranging rule of the leaded light pattern on the described leaded light rete is more far away more intensive apart from light source.
3. modified display device of electronic paper according to claim 1 and 2 is characterized in that: described leaded light pattern maximum gauge scope 1~100 μ m.
4. modified display device of electronic paper according to claim 1, it is characterized in that: described leaded light pattern is star or square or triangle.
5. modified display device of electronic paper according to claim 1, it is characterized in that: the leaded light rete on the surface of described light guide plate is to be undertaken bonding by the second transparent optical glue-line and light guide plate.
6. modified display device of electronic paper according to claim 1 is characterized in that: non-its lap towards light guide plate of described light source is provided with the reflective membrane that described light source is surrounded, and/or reflective membrane extends to light inlet lateral edges non-display area.
7. modified display device of electronic paper according to claim 1 is characterized in that: be provided with reflective membrane in light guide plate away from the side of the non-light incidence side of source ends and/or the surface of edge non-display area.
8. modified display device of electronic paper according to claim 1, it is characterized in that: described light guide plate scope is 0.2~2mm.
9. modified display device of electronic paper according to claim 1 is characterized in that: the light guide plate of described light guide plate for adopting PMMA or PC material to make.
10. modified display device of electronic paper according to claim 1 is characterized in that: described light source comprises several discrete LED lamps that is arranged at described light guide plate side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220669274 CN203054415U (en) | 2012-12-06 | 2012-12-06 | Improved electronic paper display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220669274 CN203054415U (en) | 2012-12-06 | 2012-12-06 | Improved electronic paper display device |
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CN203054415U true CN203054415U (en) | 2013-07-10 |
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CN 201220669274 Expired - Fee Related CN203054415U (en) | 2012-12-06 | 2012-12-06 | Improved electronic paper display device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020093945A1 (en) * | 2018-11-09 | 2020-05-14 | 深圳Tcl新技术有限公司 | Side edge reflecting plate attaching process of light guide plate and light guide plate |
CN112180651A (en) * | 2020-10-29 | 2021-01-05 | 浙江富申科技有限公司 | Electronic paper display module integrated with light emitting source |
-
2012
- 2012-12-06 CN CN 201220669274 patent/CN203054415U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020093945A1 (en) * | 2018-11-09 | 2020-05-14 | 深圳Tcl新技术有限公司 | Side edge reflecting plate attaching process of light guide plate and light guide plate |
CN112180651A (en) * | 2020-10-29 | 2021-01-05 | 浙江富申科技有限公司 | Electronic paper display module integrated with light emitting source |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211206 |