CN204143653U - Electronic book device - Google Patents
Electronic book device Download PDFInfo
- Publication number
- CN204143653U CN204143653U CN201420503043.7U CN201420503043U CN204143653U CN 204143653 U CN204143653 U CN 204143653U CN 201420503043 U CN201420503043 U CN 201420503043U CN 204143653 U CN204143653 U CN 204143653U
- Authority
- CN
- China
- Prior art keywords
- light
- circuit board
- electronic book
- printing opacity
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- 210000002445 nipple Anatomy 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model provides a kind of electronic book device, comprises an outside light-passing board, an electrophoretic display panel, a light guide plate, one first printing opacity glue-line, one second printing opacity glue-line and a light source.Light guide plate comprises an incidence surface, an exiting surface and a reflecting surface, and exiting surface is this reflecting surface relatively, and reflecting surface has an optical microstructure patterns.First printing opacity glue-line directly between outside light-passing board and this exiting surface, and links outside light-passing board and exiting surface.Second printing opacity glue-line directly between electrophoretic display panel and reflecting surface, and links electrophoretic display panel and reflecting surface.Light source comprises a circuit board, a light-absorption layer and multiple light-emitting diode.The light guide plate exiting surface that the utility model compensate for existing luminous product produces the deficiency of multiple unexpected bright spot near light source place, the intensity with the unexpected bright spot that the exiting surface that slow down light guide plate produces, the reflecting surface promoting light guide plate provide the advantage of the forward amount of light of light towards exiting surface.
Description
Technical field
The utility model relates to a kind of electronic book device, particularly a kind of display screen of electronic book device.
Background technology
Bright dipping module (as front light or backlight module) is divided into the design of " side-light type " and " straight-down negative " according to light source position, wherein light source (as light emitting diode) is arranged at light guide plate side by the design of " side-light type ", recycling light guide plate controls light beam direct of travel, to provide uniform area source.
Along with demand and the restriction of modern trend, many luminous product develop towards short and small frivolous external form, the bright dipping module in luminous product is made also to reduce the thickness of light guide plate gradually towards slimming, what light guide plate was even thinned to that its incidence surface is less than light source (as light emitting diode) goes out optical range, cause the incidence surface of light guide plate effectively cannot receive whole bright dippings of light source on the contrary, and then cause light guide plate exiting surface to produce multiple unexpected bright spot (hot spot) near light source place, not only be helpless to the lifting of display light source, also reduce the optics taste of product.
In view of this, how to develop a solution, can solve the problem and restriction, be this people in the industry target for reaching.
Utility model content
The technical problems to be solved in the utility model is light guide plate exiting surface in order to overcome luminous product in prior art produces multiple unexpected bright spot defect near light source place, provides a kind of intensity of the unexpected bright spot produced for the exiting surface that slow down light guide plate and increases the electronic book device of the forward amount of light of the display screen of electronic book device.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of electronic book device, is characterized in, comprises an outside light-passing board, an electrophoretic display panel, a light guide plate, one first printing opacity glue-line, one second printing opacity glue-line and a light source.Light guide plate comprises an incidence surface, an exiting surface and a reflecting surface, wherein this exiting surface this reflecting surface relatively, and this reflecting surface has an optical microstructure patterns.First printing opacity glue-line directly between this outside light-passing board and this exiting surface, and links this outside light-passing board and this exiting surface.Second printing opacity glue-line directly between this electrophoretic display panel and this reflecting surface, and links this electrophoretic display panel and this reflecting surface.Light source comprises a circuit board, a light-absorption layer and multiple light-emitting diode.Light-absorption layer is positioned at the one side of this circuit board.Light-emitting diode is arranged on this light-absorption layer respectively, is electrically connected this circuit board, and towards this incidence surface bright dipping of this light guide plate.
Preferably, this optical microstructure patterns comprises multiple spaced depressed part, and this second printing opacity glue-line fills up those depressed parts.
Preferably, this outside light-passing board is a contact panel.
Preferably, this outside light-passing board is a printing opacity protective sheet.
Preferably, this first printing opacity glue-line and this second printing opacity glue-line are respectively an optical clear glue-line.
Preferably, this light-absorption layer comprises a stripes and multiple teat.Stripes is positioned at this face of this circuit board.Those teats are hemispherical, and compartment of terrain is arranged in this face of this circuit board, and connects this stripes, and wherein those light-emitting diodes are positioned on those teats respectively.
Preferably, this light-absorption layer comprises multiple independent part.Those independent part are hemispherical, and be spaced this face in this circuit board independently, and connect the edge in this face of this circuit board, wherein those light-emitting diodes are positioned in those independent part respectively.
Preferably, this light-absorption layer is a shading coating.
Preferably, this light-absorption layer is a shading pad.
Preferably, this circuit board is a printed circuit board (PCB) or a flexible circuit board.
Positive progressive effect of the present utility model is:
1, because the light-absorption layer of light source partly absorbs the light of light-emitting diode, therefore, the intensity of the unexpected bright spot that the exiting surface that slow down light guide plate produces, and then the optics taste helping improving product.
2, because the reflecting surface of light guide plate is pasted with a printing opacity glue-line, promote helping the reflecting surface of light guide plate to provide light forward amount of light towards exiting surface.
Accompanying drawing explanation
Fig. 1 is the exploded view of the electronic book device of the utility model one embodiment.
Fig. 2 is the constitutional diagram of Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 2.
Fig. 4 is the schematic diagram of the light source of the electronic book device of another embodiment of the present utility model.
Fig. 5 is distribution curve flux figure.
Description of reference numerals:
10: electronic book device
100: outside light-passing board
110: electrophoretic display panel
120: light guide plate
121: exiting surface
122: reflecting surface
123: incidence surface
130: optical microstructure patterns
131: depressed part
140: the first printing opacity glue-lines
150: the second printing opacity glue-lines
200,201: light source
210: circuit board
220: light-absorption layer
221: stripes
222: teat
230: light-absorption layer
231: independent part
240: light-emitting diode
A, B: curve
Embodiment
Disclose a plurality of embodiment of the present utility model below with reference to accompanying drawing, as clearly stated, the details in many practices will be explained in the following description.But should be appreciated that, the details in these practices is not applied to limit the utility model.That is, in the utility model some embodiments, the details in these practices is non-essential.In addition, for simplifying for the purpose of accompanying drawing, some know usual structure and element is drawn in the mode simply illustrated in the accompanying drawings.
Fig. 1 is the exploded view of the electronic book device 10 of the utility model one embodiment.Fig. 2 is the constitutional diagram of Fig. 1.Fig. 3 is the A-A cut-open view of Fig. 2.As shown in Figure 1 to Figure 3, according to the utility model one embodiment, electronic book device 10 comprises outside light-passing board 100, electrophoretic display panel 110 (Electro-Phoretic Display, EPD), light guide plate 120 and a light source 200.Light guide plate 120 is stacked between outside light-passing board 100 and electrophoretic display panel 110.Light guide plate 120 comprises incidence surface 123, exiting surface 121 and a reflecting surface 122.Exiting surface 121 relative reflection face 122.Light source 200 comprises at least one circuit board 210 (printed circuit board (PCB) 210 or flexible circuit board 210), a light-absorption layer 220 and multiple light-emitting diode 240 (such as Quartering shot type light emitting diode, Side view type LED).Light-absorption layer 220 is positioned at the one side of circuit board 210.Light-emitting diode 240 linear array, in light-absorption layer 220, is set at this face of circuit board 210 to form a lamp bar (light bar), electrical connection circuit plate 210, and towards incidence surface 123 bright dipping.
Thus, when light-emitting diode 240 emits beam towards the incidence surface 123 of light guide plate 120, because light-absorption layer 220 is between light-emitting diode 240 and circuit board 210, light-absorption layer 220 partly can absorb the light of light-emitting diode 240, the intensity of the unexpected bright spot (hot spot) that the exiting surface that slow down light guide plate 120 produces, and then the optics taste helping improving product.
Specifically, in the present embodiment, light-absorption layer 220 comprises a stripes 221 and multiple teat 222.Stripes 221 is positioned at this face of circuit board 210.Those teat 222 compartment of terrains are arranged in this face of circuit board 210, and connect stripes 221.Those light-emitting diodes 240 are positioned on those teats 222 respectively.Those teats 222 are hemispherical, to coordinate the bright dipping light shape of those light-emitting diodes 240.
Fig. 4 is the schematic diagram of the light source 201 of the electronic book device 10 of another embodiment of the utility model.Light-absorption layer 230 comprises multiple independent part 231.Independent part 231 is spaced one side in circuit board 210 and the edge in this face of connecting circuit board 210 independently.Light-emitting diode 240 is positioned in independent part 231 respectively.Those independent part 231 are hemispherical, to coordinate the bright dipping light shape of those light-emitting diodes 240.
As long as the light-absorption layer of the respective embodiments described above can absorb the light of light-emitting diode at least partly, light-absorption layer of the present utility model is not limited to a shading coating or a shading pad, or light-absorption layer of the present utility model is not limited to dark color (as black or grey).
In addition, as shown in Figures 1 and 3, by an Optical transparent adhesive (optically clear adhesive between outside light-passing board 100 and the exiting surface of light guide plate 120, OCA) link is integrated each other, make between outside light-passing board 100 and the exiting surface of light guide plate 120, to be directly folded with one first printing opacity glue-line 140 (or claiming optical clear glue-line), that is, the first printing opacity glue-line 140 is directly between outside light-passing board 100 and the exiting surface of light guide plate 120.By an Optical transparent adhesive (optically clear adhesive between the reflecting surface of electrophoretic display panel 110 and light guide plate 120, OCA) link is integrated each other, make between the reflecting surface of electrophoretic display panel 110 and light guide plate 120, to be directly folded with one second printing opacity glue-line 150 (or claiming optical clear glue-line), that is, the second printing opacity glue-line 150 is directly between electrophoretic display panel 110 and the reflecting surface of light guide plate 120.In present embodiment, the thickness such as about 175 microns (μm) of the first printing opacity glue-line 140, the thickness such as about 100 microns (μm) of the second printing opacity glue-line 150, certainly, the utility model is not limited thereto, and those skilled in the art depending on the circumstances or the needs of the situation, can also adjust its size.
Because the reflecting surface of light guide plate is bonded with each other by printing opacity glue-line and electrophoretic display panel, printing opacity glue-line helps the reflecting surface promoting light guide plate provides light forward amount of light towards exiting surface, not only promote the brightness quality of the display screen of electronic book device, also promote the satisfaction of user.
It should be noted that light guide plate 120 is because of before being positioned at electrophoretic display panel 110, therefore be commonly referred to as in the industry front tabula rasa, and be different from the backlight of general active light source LCD screen.
Specifically, in present embodiment, light guide plate 120 such as can be the uniform rectangular slab of a thickness or thickness clapboard from large to small, has relative front and reverse side, and around multiple sides of its front and reverse side, the area of its front or reverse side is all greater than the area of wherein arbitrary side.Any one side of light guide plate 120 all can be one to enter light guide plate 120 incidence surface 123 for being guided into light.The front of light guide plate 120 is an exiting surface 121, and exiting surface is used for sending light to outside.The reverse side of light guide plate 120 is a reflecting surface 122.Reflecting surface 122 for reflection ray to exiting surface 121.
In addition, provide better light extraction efficiency in order to ensure light guide plate 120, the reflecting surface 122 of light guide plate 120 has an optical microstructure patterns 130.Optical microstructure patterns 130 comprises multiple for destroying total reflection phenomenon, and then forms the depressed part 131 of bright dipping.Those depressed part 131 compartment of terrains are formed on reflecting surface 122, make depressed part 131 can for light reflection to exiting surface 122, and those depressed parts 131 fill up by the second printing opacity glue-line 150.
Fig. 5 is distribution curve flux figure, curve A as shown in Figure 5 and curve B, depressed part that curve A is the utility model light guide plate 120 131 by the second printing opacity glue-line 150 fill up rear drawn result.The result drawn after the depressed part 131 that curve B is light guide plate 120 does not use printing opacity glue-line.Significantly, utilize the second printing opacity glue-line 150 to fill up depressed part 131, i.e. curve A, contribute to the forward amount of light promoting light type.
Certainly, those skilled in the art depending on the circumstances or the needs of the situation, also can also add optical microstructures in addition on exiting surface.About the making of optical microstructure patterns, go out the optical microstructure patterns of the reflecting surface of light guide plate by laser equipment or coining template construct.
In present embodiment, outside light-passing board 100 is a contact panel, and contact panel directly exposes outside electronic book device 10, is available for users to touch control operation.But the utility model is not limited thereto.In other embodiments, outside light-passing board 100 is a printing opacity protective sheet, to protect the exiting surface of light guide plate 120 unlikely by foreign matter scratch.The utility model is not limit in this printing opacity protective sheet has black surround or all-transparent.
Although the utility model discloses as above with a better embodiment; anyly have the knack of this those skilled in the art; not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations, therefore protection domain of the present utility model is as the criterion by claims limited range.
Claims (10)
1. an electronic book device, is characterized in that, comprises:
One outside light-passing board;
One electrophoretic display panel;
One light guide plate, comprises an incidence surface, an exiting surface and a reflecting surface, wherein this exiting surface this reflecting surface relatively, and this reflecting surface has an optical microstructure patterns;
One first printing opacity glue-line, directly between this outside light-passing board and this exiting surface, and links this outside light-passing board and this exiting surface;
One second printing opacity glue-line, directly between this electrophoretic display panel and this reflecting surface, and links this electrophoretic display panel and this reflecting surface; And
One light source, comprises:
One circuit board;
One light-absorption layer, is positioned at the one side of this circuit board; And
Multiple light-emitting diode, is arranged on this light-absorption layer respectively, is electrically connected this circuit board, and towards this incidence surface bright dipping of this light guide plate.
2. electronic book device as claimed in claim 1, it is characterized in that, wherein this optical microstructure patterns comprises multiple spaced depressed part, and this second printing opacity glue-line fills up those depressed parts.
3. electronic book device as claimed in claim 1, it is characterized in that, wherein this outside light-passing board is a contact panel.
4. electronic book device as claimed in claim 1, it is characterized in that, wherein this outside light-passing board is a printing opacity protective sheet.
5. electronic book device as claimed in claim 1, it is characterized in that, wherein this first printing opacity glue-line and this second printing opacity glue-line are respectively an optical clear glue-line.
6. electronic book device as claimed in claim 1, it is characterized in that, wherein this light-absorption layer comprises:
One stripes, is positioned at this face of this circuit board; And
Multiple teat, in hemispherical, compartment of terrain is arranged in this face of this circuit board, and connects this stripes, and wherein those light-emitting diodes are positioned on those teats respectively.
7. electronic book device as claimed in claim 1, it is characterized in that, wherein this light-absorption layer comprises:
Multiple independent part, in hemispherical, be spaced this face in this circuit board independently, and connect the edge in this face of this circuit board, wherein those light-emitting diodes are positioned in those independent part respectively.
8. electronic book device as claimed in claim 1, it is characterized in that, wherein this light-absorption layer is a shading coating.
9. electronic book device as claimed in claim 1, it is characterized in that, wherein this light-absorption layer is a shading pad.
10. electronic book device as claimed in claim 1, it is characterized in that, wherein this circuit board is a printed circuit board (PCB) or a flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503043.7U CN204143653U (en) | 2014-09-02 | 2014-09-02 | Electronic book device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503043.7U CN204143653U (en) | 2014-09-02 | 2014-09-02 | Electronic book device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204143653U true CN204143653U (en) | 2015-02-04 |
Family
ID=52420325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503043.7U Expired - Fee Related CN204143653U (en) | 2014-09-02 | 2014-09-02 | Electronic book device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204143653U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570470A (en) * | 2013-10-24 | 2015-04-29 | 元太科技工业股份有限公司 | Display device |
| CN105813407A (en) * | 2016-05-31 | 2016-07-27 | 厦门建霖工业有限公司 | Shower box and operation method thereof |
| US11175757B2 (en) | 2019-03-20 | 2021-11-16 | Chicony Power Technology Co., Ltd. | Light emitting touchpad device |
| US11216091B2 (en) | 2019-03-20 | 2022-01-04 | Chicony Power Technology Co., Ltd. | Light emitting touchpad device |
| CN115061232A (en) * | 2022-07-07 | 2022-09-16 | 友达光电（昆山）有限公司 | Optical assembly and display device using same |
-
2014
- 2014-09-02 CN CN201420503043.7U patent/CN204143653U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570470A (en) * | 2013-10-24 | 2015-04-29 | 元太科技工业股份有限公司 | Display device |
| CN105813407A (en) * | 2016-05-31 | 2016-07-27 | 厦门建霖工业有限公司 | Shower box and operation method thereof |
| CN105813407B (en) * | 2016-05-31 | 2019-04-05 | 厦门建霖健康家居股份有限公司 | A kind of shower box and its working method |
| US11175757B2 (en) | 2019-03-20 | 2021-11-16 | Chicony Power Technology Co., Ltd. | Light emitting touchpad device |
| US11216091B2 (en) | 2019-03-20 | 2022-01-04 | Chicony Power Technology Co., Ltd. | Light emitting touchpad device |
| CN115061232A (en) * | 2022-07-07 | 2022-09-16 | 友达光电（昆山）有限公司 | Optical assembly and display device using same |
| CN115061232B (en) * | 2022-07-07 | 2024-03-15 | 友达光电（昆山）有限公司 | Optical assembly and display device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150204 |