CN203732748U - Electronic paper display screen light guide plate and electronic paper display screen - Google Patents
Electronic paper display screen light guide plate and electronic paper display screen Download PDFInfo
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- CN203732748U CN203732748U CN201420072114.2U CN201420072114U CN203732748U CN 203732748 U CN203732748 U CN 203732748U CN 201420072114 U CN201420072114 U CN 201420072114U CN 203732748 U CN203732748 U CN 203732748U
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Abstract
The utility model provides an electronic paper display screen light guide plate and an electronic paper display screen. The light guide plate is used for being arranged above the display surface of an electrophoresis display module and comprises a light guide plate body. The incident light surface of the light guide plate body is provided with insection. The electrophoresis display module comprises a microcapsule electrophoresis display module or a micro cup electrophoresis display module. The insection is formed by a plurality of arc-shaped projections or a plurality of arc-shaped grooves or a plurality of horn-shaped projections or a plurality of horn-shaped grooves. According to the light guide plate and the electronic paper display screen, as the insection is arranged on the incident light surface of the light guide plate, the incident light surface is provided with incident light angles of multiple directions, refracted beam entering the light guide plate can be greatly diffused, incident light dark region can be prevented from appearing at the incident light position of the display region of the electronic paper display screen, illuminating brightness of the display region of the electronic paper display screen is more uniform, and the illuminating effects are better.
Description
Technical field
The utility model relates to a kind of front optical illumination technology of electronic-paper display screen, especially a kind of electronic-paper display screen light guide plate and electronic-paper display screen.
Background technology
Electronic paper reader is reflection-type reader, optical illumination before general employing.With reference to figure 1, front optical illumination is generally all arranged at light guide plate 30 ' and LED lamp 60 ' on the display surface of Electronic Paper demonstration module 10 '.Front radiant generally uses side light extracting LED lamp, to realize its frivolous effect.LED lamp 60 ' is positioned at the incidence surface 33 ' outside of light guide plate 30 ', with light guide plate 30 ' every a layer of air.The light inlet side of light guide plate 30 ' is plane, i.e. light guide plate incidence surface 33 '.Light penetrates and enters air from LED lamp, then enters light guide plate 30 ' by the incidence surface 33 ' refraction of light guide plate 30 '.
On the one hand because light guide plate is to be positioned at the top that Electronic Paper shows module, brightness compare with demonstration module backlight do not need too high; In order to save cost, to reduce power consumption, existing front radiant generally reduces the quantity of LED lamp as far as possible on the other hand, and therefore between adjacent LED lamp, distance is larger.Like this will be at formation clear zone, the dead ahead of LED lamp A ', formation dark space, the front B ' between two adjacent LED lamps.
Because Electronic Paper shows the limited space on module, the distance between LED lamp and viewing area 90 ' can not be oversize.Light mixing distance just not like this, cause the scope of dark space B ' excessive, thereby cover the subregion of viewing area 90 ' near light inlet side, cause viewing area to have blackening in light inlet side, make the incidence surface brightness irregularities of whole front light in viewing area, affect reading effect.
Utility model content
For the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of electronic-paper display screen light guide plate, and its light guide effect is better, and can make electronic-paper display screen even at the brightness of illumination of display surface light inlet position.
Two of the purpose of this utility model is to provide a kind of electronic-paper display screen, and its light guide effect is better, and can make electronic-paper display screen even at the brightness of illumination of display surface light inlet position.
For one of achieving the above object, the utility model provides a kind of electronic-paper display screen light guide plate, and it is for being arranged at the top of electrophoresis showed module displays face, and it comprises light guide plate main body, on the incidence surface of described light guide plate main body, is provided with groove.
It comprises Electrophoretic display module or micro-glass of electrophoresis showed module described electrophoresis showed module.
Described groove refer on the incidence surface of described light guide plate main body, arrange continuous or discrete groove or and projection and form rule or irregular shape.
As the improvement on the one hand of a kind of light guide plate of the utility model, described groove is the groove being formed by multiple arc-shaped protrusions or multiple arc groove or multiple cornu or multiple horn shape groove.
As the improvement on the one hand of a kind of light guide plate of the utility model, the width of described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.1～0.5mm, under this width range, enter light beam light mixing effect in light guide plate better, brightness of illumination is more even.
As the improvement on the one hand of a kind of light guide plate of the utility model, the width of described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.2～0.3mm, under this width range, enter light beam light mixing effect in light guide plate better, brightness of illumination is more even.
As the improvement on the one hand of a kind of light guide plate of the utility model, the height of described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.05～0.25mm.Under this altitude range, enter light beam light mixing effect in light guide plate better, brightness of illumination is more even.
As the improvement on the one hand of a kind of light guide plate of the utility model, the height of described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.1～0.15mm.Under this altitude range, enter light beam light mixing effect in light guide plate better, brightness of illumination is more even.
As the improvement on the one hand of a kind of light guide plate of the utility model, the distance between two adjacent described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0～0.5mm.Under this scope, enter light beam light mixing effect in light guide plate better, brightness of illumination is more even.
As the improvement on the one hand of a kind of light guide plate of the utility model, described light guide plate main body stretches into LED lamp region, is provided with the groove for accommodating LED lamp on this light guide plate main body.
For achieve the above object two, the utility model also provides a kind of electronic-paper display screen, it comprises electrophoresis showed module, light guide plate, is arranged at the front illuminating apparatus on this electrophoresis showed module, described light guide plate is above-mentioned light guide plate described in any one.
As the improvement on the one hand of a kind of electronic-paper display screen of the utility model, described electrophoresis showed module comprises substrate layer, Electrophoretic display layer and transparent electrode layer successively.
Compared with prior art, the utility model light guide plate, electronic-paper display screen by offering groove on the incidence surface of light guide plate, make incidence surface there is the light inlet angle of multiple directions, thereby greatly diffuse into the deflecting light beams in light guide plate, avoid having light inlet dark space at the optical position that enters of electronic-paper display screen viewing area, thereby make the brightness of illumination of electronic-paper display screen viewing area more even, illuminating effect is better.
Brief description of the drawings
Fig. 1 is the effect schematic diagram of the front optical illumination of electronic-paper display screen in prior art.
Fig. 2 is the structural representation in a preferred embodiment of electronic-paper display screen that the utlity model has front optical illumination.
Fig. 3 is the structural representation of front illuminating apparatus shown in Fig. 2.
Fig. 4 is described lamp bar structural representation in a preferred embodiment.
Fig. 5 is described side light extracting LED lamp structural representation in a preferred embodiment.
Fig. 6 is the structural representation in a further advantageous embodiment of electronic-paper display screen that the utlity model has front optical illumination.
Fig. 7 is that the A-A of electronic-paper display screen shown in Fig. 6 is to schematic cross-section.
Fig. 8 is the structural representation of front illuminating apparatus shown in Fig. 6.
Fig. 9 is the position relationship schematic diagram of LED lamp shown in Fig. 6 and light guide plate.
Figure 10 is described electrophoresis showed module structural representation in a preferred embodiment.
Figure 11 is the effect schematic diagram of the front optical illumination in a preferred embodiment of electronic-paper display screen that the utlity model has front optical illumination.
Figure 12 is described light guide plate structural representation in a preferred embodiment.
Figure 13 is that the incidence surface of light guide plate shown in Figure 12 enters light effect schematic diagram.
Figure 14 is the shape and structure schematic diagram of the incidence surface arc-shaped protrusions of light guide plate shown in Figure 12.
Figure 15 is the effect schematic diagram of the front optical illumination in a further advantageous embodiment of electronic-paper display screen that the utlity model has front optical illumination.
Figure 16 is described light guide plate structural representation in a preferred embodiment.
Figure 17 is the incidence surface light inlet schematic diagram of light guide plate shown in Figure 16.
Figure 18 is the shape and structure schematic diagram of the incidence surface arc groove of light guide plate shown in Figure 16.
Figure 19 is described light guide plate structural representation in a preferred embodiment.
Figure 20 is the shape and structure schematic diagram of the incidence surface horn shape groove of light guide plate shown in Figure 19.
Figure 21 is the effect schematic diagram of the front optical illumination of electronic-paper display screen in another preferred embodiment that the utlity model has front optical illumination.
Figure 22 is described light guide plate structural representation in a preferred embodiment.
10: electrophoresis showed module; 11: substrate layer
12: Electrophoretic display layer 13: transparent electrode layer
20: optics glue-line; 30: light guide plate;
31: groove; 32: groove trough rim;
33: incidence surface; 331: arc-shaped protrusions;
332: arc groove; 333: horn shape groove;
40: adhesive layer; 50: drive circuit board;
60:LED lamp; 61: lamp housing;
62: wick; 90: viewing area;
91: light inlet; 100:LED lamp region;
A1, A2, A3: clear zone; B1, B2, B3: dark space.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme described in the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
A kind of electronic-paper display screen is provided, and referring to Fig. 2-Fig. 5, Fig. 2 is a kind of electronic-paper display screen with front optical illumination structural representation in a preferred embodiment.This electronic-paper display screen comprises that Electronic Paper shows module 10, optics glue-line 20, light guide plate 30, sticky glutinous agent 40, drive circuit board 50, LED lamp 60.Described light guide plate 30 is arranged at described Electronic Paper and shows on module 10 display surfaces.Described optics glue-line 20 is arranged at this Electronic Paper and shows between module 10 and light guide plate 30, shows module 10 display surfaces for light guide plate 30 being adhered to this Electronic Paper.Described drive circuit board 50 one end adhere in described light guide plate 30 by sticky glutinous agent 40, and the other end is for mounted LED lamp 60.
Described electrophoresis showed module 10 can be that the reflection-types such as microcapsules formula electrophoresis showed module, micro-cup type electrophoresis showed module show module.Taking Electrophoretic display module as example, as Figure 10, this Electrophoretic display module comprises substrate layer 11, Electrophoretic display layer 12, transparent electrode layer 13 successively.Described Electrophoretic display layer is solid-state electrophoresis showed layer.Described substrate layer 11 has multiple pixel electrodes, can be TFT glass-based flaggy.In described Electrophoretic display layer 12, be enclosed with transparent electrophoresis liquid, positively charged or a kind of particle of color of negative charge and the particle of the another kind of color of neutrality.Under the driving voltage applying between substrate layer 11 and transparent electrode layer 13 drives, charged pigment particles is mobile demonstration in microcapsules.Certainly in other embodiments, in described Electrophoretic display layer 12, be enclosed with the particle of transparent electrophoresis liquid, positively charged a kind of color and the particle of electronegative another kind of color, under the driving of driving voltage, charged particle is mobile demonstration in microcapsules.
Described optics glue-line 20 is for cementing light guide plate 30 and electrophoresis showed module 10.The optical cement that this optics glue-line 20 adopts requires to have water white transparency, light transmission rate more than 90%, consolidation strength is good, can under room temperature or middle temperature, solidify, and have the features such as cure shrinkage is little.The tackifier such as organic silicon rubber, acrylic type resin and unsaturated polyester (UP), polyurethane, epoxy resin all can cementing optical element.In the time of preparation, conventionally to add some treating agents, to improve its optical property or to reduce cure shrinkage.
The acrylic PMMA/PC sheet material that described light guide plate 30 is optical grade.Can, with the material of high index of refraction, stamp light guiding points on the surface of the acrylic PMMA/PC of optical grade sheet material with UV screen printing technology.Also can pass through ejection formation of injection machine, produce the light guide plate 30 with recessed or protruding light guiding points.The light sending from lamp enters light guide plate 30 inside, and between light guide plate two sides, total reflection is delivered to far-end, in the time that light is mapped to each light guiding points, can destroys total reflection condition and be penetrated by light guide plate surface.Design by various density, light guiding points not of uniform size, can make light guide plate uniformly light-emitting.
Described adhesive layer 40 is for bonding described light guide plate 30 and drive circuit board 50.
With reference to figure 3, described light guide plate 30, drive circuit board 50, LED lamp 60 form the front illuminating apparatus of electronic-paper display screen.With reference to figure 4, on described drive circuit board 50, be welded with one or more LED lamps 60 and form lamp bar.Described drive circuit board 50 is flexible printed circuit board, and for driving LED lamp, it adheres in described light guide plate 30 by adhesive layer 40.
With reference to figure 2 and Fig. 5, described LED lamp 60 is the LED lamp of side bright dipping, and this LED lamp comprises the wick 62 being connected with drive circuit board 50, is wrapped in the lamp housing 61 on this wick 62.Described lamp housing 61 has light-emitting window near a side of light guide plate 30 incidence surfaces 33, and luminous after wick 62 energisings, light is by the incidence surface 33 of the light-emitting window directive light guide plate 30 of lamp housing 61 sides.
With reference to figure 11-14, in one embodiment, this light guide plate 30 is provided with groove to the described light guide plate in above-mentioned electronic-paper display screen on the incidence surface 33 of its light guide plate main body, the groove that this groove is formed by multiple arc-shaped protrusions 331.The shape of described multiple arc-shaped protrusions 331, in the same size, is ordered on described incidence surface 33, is conducive to like this incident beam and enters equably light guide plate by incidence surface 33.The height h of described arc-shaped protrusions 331 can be set to 0.05～0.25mm, such as 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25mm etc., generally preferred 0.1～0.15mm.The width L of described arc-shaped protrusions 331 can be set to 0.1～0.5mm, such as 0.1mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm etc., generally preferred 0.2～0.3mm.Distance between two adjacent described arc-shaped protrusions 331 can be set to 0～0.5mm, such as 0mm, 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm, 0.5mm etc., generally preferred 0～0.1mm.
With reference to Figure 11 and Figure 13, the viewing area 90 of described electronic-paper display screen is taking the dotted line in Figure 11 as boundary, and dotted line place represents the light inlet 91 of viewing area 90.Described arc-shaped protrusions 331 makes light beam on incidence surface, form multiple incident angles, thereby produce different refraction angles, after being assembled in light guide plate, disperses again light beam, thereby greatly diffuse into the light beam in light guide plate 30, effectively dwindle the scope of dark space B1, make dark space B1 away from viewing area 90; The scope that expands clear zone A1, makes viewing area 90 completely in the A1 of clear zone.Viewing area 90 does not have dark space near the light inlet 91 of incidence surface one lateral edges like this, thereby makes front optical illumination better effects if, and viewing area display effect is better.
With reference to figure 15-18, in another embodiment, described light guide plate 30 is provided with groove to the described light guide plate in above-mentioned electronic-paper display screen on the incidence surface 33 of its light guide plate main body, the groove that this groove is formed by multiple arc grooves 332.The shape of described multiple arc groove 332, in the same size, is ordered on described incidence surface 33, is conducive to like this incident beam and enters equably light guide plate by incidence surface 33.The height h of described arc groove 332 can be set to 0.05～0.25mm, such as 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25mm etc., generally preferred 0.1～0.15mm.The width L of described arc-shaped protrusions 332 can be set to 0.1～0.5mm, such as 0.1mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm etc., generally preferred 0.2～0.3mm.Distance between two adjacent described arc grooves 332 can be set to 0～0.5mm, such as 0mm, 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm, 0.5mm etc., generally preferred 0～0.1mm.
The viewing area 90 of described electronic-paper display screen is taking the dotted line in Figure 15 as boundary, and dotted line place represents the light inlet 91 of viewing area 90.Described arc groove 332 makes light beam on incidence surface, form multiple incident angles, thereby produces different refraction angles, thereby greatly diffuses into the light beam in light guide plate 30, and the scope of effectively dwindling dark space B2 makes dark space B2 away from viewing area 90; The scope that expands clear zone A2, makes viewing area 90 completely in the A2 of clear zone.Viewing area 90 does not have dark space near the light inlet 91 of incidence surface one lateral edges like this, thereby makes front optical illumination better effects if, and viewing area display effect is better.
With reference to figure 19-Figure 20, in one embodiment, this light guide plate 30 is provided with groove to the described light guide plate in above-mentioned electronic-paper display screen on the incidence surface 33 of its light guide plate main body, the groove that this groove is formed by multiple horn shape grooves 333.The shape of described multiple horn shape grooves 333, in the same size, is ordered on described incidence surface 33, is conducive to like this incident beam and enters equably light guide plate by incidence surface 33.The height h of described horn shape groove 333 can be set to 0.05～0.25mm, such as 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25mm etc., generally preferred 0.1～0.15mm.The width L of described horn shape groove 333 can be set to 0.1～0.5mm, such as 0.1mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm etc., generally preferred 0.2～0.3mm.Distance M between two adjacent described horn shape grooves 333 can be set to 0～0.5mm, such as 0mm, 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm etc., generally preferred 0.1～0.3mm.Described horn shape groove 333 makes light beam on incidence surface, form multiple incident angles, thereby produces different refraction angles, thereby greatly diffuses into the light beam in light guide plate 30, makes front optical illumination better effects if, and viewing area display effect is better.
Referring to Fig. 6-Fig. 9, in another embodiment, described electronic-paper display screen comprises that this electronic-paper display screen comprises that Electronic Paper shows module 10, optics glue-line 20, light guide plate 30, sticky glutinous agent 40, drive circuit board 50, LED lamp 60.Described light guide plate 30 is arranged at described Electronic Paper and shows on module 10 display surfaces.Described optics glue-line 20 is arranged at this Electronic Paper and shows between module 10 and light guide plate 30, shows module 10 display surfaces for light guide plate 30 being adhered to this Electronic Paper.Described drive circuit board 50 one end adhere in described light guide plate 30 by sticky glutinous agent 40, and the other end is for mounted LED lamp 60.
With reference to figure 6-Fig. 8, described light guide plate 30, drive circuit board 50, LED lamp 60 form the front illuminating apparatus of electronic-paper display screen; On described drive circuit board 50, be welded with one or more LED lamps 60 and form lamp bar.Described light guide plate 30 is for being attached at the top of electrophoresis showed module 10 display surfaces, it comprises light guide plate main body, this light guide plate main body is extended and is stretched into LED lamp region 100 by lengthening, described LED lamp region 100 refers to LED lamp present position and an adjacent region thereof, example is dashed region as shown in Figure 9, in the time having two or more LED lamp, this LED lamp region 100 also should comprise the region between LED lamp.On described light guide plate main body, be provided with the groove 31 for accommodating LED lamp 60, described LED lamp is placed in the groove 31 of this light guide plate 30, and light guide plate main body stretches in LED lamp region 100 by this form like this.Described LED lamp is contained within described groove 31, can avoid like this LED lamp 60 to be squeezed, to collide with, thus the position of location LED lamp 60, the phenomenon of avoiding occurrence positions to be offset; Because light guide plate 30 has stretched into LED lamp region 100, described drive circuit board 50 can support by the groove trough rim 32 of light guide plate 30 in addition, avoids causing the position of LED lamp 60 to be offset because of reasons such as drive circuit board 50 perks; Moreover light guide plate 30 has stretched into LED lamp region 100, effectively reduce the phenomenon of LED lamp 60 light leaks.
Described groove 31 runs through the top and bottom of light guide plate main body, is convenient to like this processing of groove 31, is also convenient to LED lamp to be placed in groove 31.The elongated shape of described LED lamp 60, is convenient to widen the light-emitting area of LED lamp like this, can provide the more illumination of wide region to light guide plate.Shape, the size of shape, size and the LED lamp 60 of described groove 31 are suitable, this groove 31 also can be made strip groove, the width of its degree of depth and barcode LED lamp 60 is suitable, and described like this LED lamp 60 lamp holder tops are mutually concordant with the notch of described groove 31.
With reference to figure 21-22 and Figure 14, the incidence surface 33 of described light guide plate is arranged at the bottom of groove 31.In one embodiment, on this incidence surface 33, be provided with groove, the groove that this groove is formed by multiple arc-shaped protrusions 331.The shape of described multiple arc-shaped protrusions 331, in the same size, is ordered on described incidence surface 33, is conducive to like this incident beam and enters equably light guide plate by incidence surface 33.The height h of described arc-shaped protrusions 331 can be set to 0.05～0.25mm, such as 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25 etc., generally preferred 0.1～0.15mm.The width L of described arc-shaped protrusions 331 can be set to 0.1～0.5mm, such as 0.1mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm etc., generally preferred 0.2～0.3mm.Distance between two adjacent described arc-shaped protrusions 331 can be set to 0～0.5mm, such as 0mm, 0.05mm, 0.1mm, 0.12mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm, 0.5mm etc., generally preferred 0～0.1mm.
With reference to Figure 21 and Figure 13, the viewing area 90 of described electronic-paper display screen is taking the dotted line in Figure 21 as boundary, and dotted line place represents the light inlet 91 of viewing area 90.Described arc-shaped protrusions 331 makes light beam on incidence surface, form multiple incident angles, thereby produce different refraction angles, after being assembled in light guide plate, disperses again light beam, thereby greatly diffuse into the light beam in light guide plate 30, effectively dwindle the scope of dark space B3, make dark space B3 away from viewing area 90; The scope that expands clear zone A3, makes viewing area 90 completely in the A3 of clear zone.Viewing area 90 does not have dark space near the light inlet 91 of incidence surface one lateral edges like this, thereby makes front optical illumination better effects if, and viewing area display effect is better.
Certainly, in other embodiments, described groove can also be the groove being formed by multiple arc grooves; Also can be described in the groove being formed by multiple horn shape grooves or multiple cornu.
Certainly, in other embodiments, above-mentioned adjacent arcs connected in star, arc-shaped protrusions, horn shape groove or cornu are interconnective before and after can being; Also can be at regular intervals.
Certainly, in other embodiments, described LED lamp quantity can be set to more than 1 or 2, for example 3 or 4 etc.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an electronic-paper display screen light guide plate, it is characterized in that for being arranged at the top of electrophoresis showed module displays face it comprises light guide plate main body, on the incidence surface of described light guide plate main body, is provided with groove.
2. a kind of light guide plate as claimed in claim 1, is characterized in that described groove is the groove being formed by multiple arc-shaped protrusions or multiple arc groove or multiple cornu or multiple horn shape groove.
3. a kind of light guide plate as claimed in claim 2, the width that it is characterized in that described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.1～0.5mm.
4. a kind of light guide plate as claimed in claim 3, the width that it is characterized in that described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.2～0.3mm.
5. a kind of light guide plate as claimed in claim 2, the height that it is characterized in that described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.05～0.25mm.
6. a kind of light guide plate as claimed in claim 5, the height that it is characterized in that described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0.1～0.15mm.
7. a kind of light guide plate as claimed in claim 2, is characterized in that the distance between two adjacent described arc-shaped protrusions or arc groove or cornu or horn shape groove is 0～0.5mm.
8. the light guide plate as described in any one in claim 1-7, is characterized in that described light guide plate main body stretches into LED lamp region, is provided with the groove for accommodating LED lamp on this light guide plate main body.
9. an electronic-paper display screen, it comprises electrophoresis showed module, light guide plate, is arranged at the front illuminating apparatus on this electrophoresis showed module, it is characterized in that described light guide plate is as the light guide plate as described in any one in claim 1-8.
10. a kind of electronic-paper display screen as claimed in claim 9, is characterized in that described electrophoresis showed module comprises substrate layer, Electrophoretic display layer and transparent electrode layer successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072114.2U CN203732748U (en) | 2014-02-19 | 2014-02-19 | Electronic paper display screen light guide plate and electronic paper display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072114.2U CN203732748U (en) | 2014-02-19 | 2014-02-19 | Electronic paper display screen light guide plate and electronic paper display screen |
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| Publication Number | Publication Date |
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| CN203732748U true CN203732748U (en) | 2014-07-23 |
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| CN201420072114.2U Expired - Lifetime CN203732748U (en) | 2014-02-19 | 2014-02-19 | Electronic paper display screen light guide plate and electronic paper display screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849793A (en) * | 2014-02-19 | 2015-08-19 | 广州奥翼电子科技有限公司 | Electronic paper display screen light-guiding plate and electronic paper display screen |
| CN114280718A (en) * | 2021-12-28 | 2022-04-05 | 上海创功通讯技术有限公司 | Light guide column and operation key |
| CN114280718B (en) * | 2021-12-28 | 2024-04-30 | 上海创功通讯技术有限公司 | Light guide column and operation key |
-
2014
- 2014-02-19 CN CN201420072114.2U patent/CN203732748U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849793A (en) * | 2014-02-19 | 2015-08-19 | 广州奥翼电子科技有限公司 | Electronic paper display screen light-guiding plate and electronic paper display screen |
| WO2015124074A1 (en) * | 2014-02-19 | 2015-08-27 | 广州奥翼电子科技有限公司 | Electronic paper display screen light guide plate and electronic paper display screen |
| US10935711B2 (en) | 2014-02-19 | 2021-03-02 | Guangzhou Oed Technologies, Inc. | Light guide plate for an electronic paper display, and the electronic paper display |
| EP3121628B1 (en) | 2014-02-19 | 2021-06-02 | Guangzhou OED Technologies, Inc. | Electronic paper display |
| CN114280718A (en) * | 2021-12-28 | 2022-04-05 | 上海创功通讯技术有限公司 | Light guide column and operation key |
| CN114280718B (en) * | 2021-12-28 | 2024-04-30 | 上海创功通讯技术有限公司 | Light guide column and operation key |
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