CN202494844U - Electrophoretic display device and electronic equipment with same - Google Patents

Electrophoretic display device and electronic equipment with same Download PDF

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Publication number
CN202494844U
CN202494844U CN 201220046070 CN201220046070U CN202494844U CN 202494844 U CN202494844 U CN 202494844U CN 201220046070 CN201220046070 CN 201220046070 CN 201220046070 U CN201220046070 U CN 201220046070U CN 202494844 U CN202494844 U CN 202494844U
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CN
China
Prior art keywords
substrate
electrophoretic display
layer
wiring layer
electric wiring
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
Application number
CN 201220046070
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Chinese (zh)
Inventor
陈灼
林永强
唐雄兵
刘祖良
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Guangzhou OED Technologies Co Ltd
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Guangzhou OED Technologies Co Ltd
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Publication date
Application filed by Guangzhou OED Technologies Co Ltd filed Critical Guangzhou OED Technologies Co Ltd
Priority to CN 201220046070 priority Critical patent/CN202494844U/en
Application granted granted Critical
Publication of CN202494844U publication Critical patent/CN202494844U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an electrophoretic display device and electronic equipment with the same, wherein the electrophoretic display device comprises a first substrate with light transmission, a first transparent electrode layer and a second substrate, wherein the first transparent electrode layer is positioned at one surface of the first substrate; the second substrate is configured opposite to the first substrate; the second substrate comprises an electrical wiring layer, an insulating layer, a second electrode layer and an electrophoretic medium layer, wherein the electrical wiring layer is positioned at one surface of the second substrate; the insulating layer is in contact with the other surface of the electrical wiring layer and reserved with a conductive through hole; the second electrode layer is in contact with the other surface of the insulating layer and electrically connected with the electrical wiring layer by the conductive through hole of the insulating layer; and the electrophoretic medium layer is positioned between the first electrode layer and the second electrode layer. According to the utility model, as the electrical wiring layer and the second electrode layer are both arranged on one side of the internal surface of the second substrate and the insulating layer is also arranged in the electrical wiring layer and the second electrode layer, the electrical wiring layer and the electrophoretic medium layer can be preferably protected under the effect of the first substrate and the second substrate where the through hole is punched.

Description

A kind of electrophoretic display apparatus and have the electronic equipment of this electrophoretic display apparatus
Technical field
The utility model relates to a kind of electrophoretic display technology, relates in particular to a kind of electrophoretic display apparatus and has the electronic equipment of this electrophoretic display apparatus.
Background technology
Existing electrophoretic display device (EPD) is through two insulated substrate clamping electrophoresis dispersions; The inside surface of two substrates is provided with electrode; Because needing insulation between electric wiring layer and the electrode isolates; So need electrode and electric wiring layer are divided into two surfaces of substrate, and on substrate, open a through hole, electrically connect electrode and electric wiring layer through a connector.This substrate is generally has substrate flexible, light transmission, also can be hard substrate, and two substrates not only plays the effect of clamping electrophoresis dispersion, subsidiary electrode; Play support, protective effect simultaneously, protection two substrates internal part, object are without prejudice.
But because the electric wiring layer is arranged at the outside of two substrates, cause the electric wiring layer can not obtain the support and the protection of two substrates, damaged easily.In addition, on substrate, open a through hole, its sealing is relatively poor.Therefore, present a kind of improving technology of industry active demand is to overcome the existing in prior technology defective.
The utility model content
Based on the deficiency of prior art, one of the utility model technical issues that need to address provide a kind of electrophoretic display apparatus, can protect electric wiring layer and electrophoresis medium layer preferably.
Two of the utility model technical issues that need to address provide a kind of electronic equipment, can protect electric wiring layer and electrophoresis medium layer preferably.
For solving the problems of the technologies described above, the inventive concept of the utility model is the inner surface side that electric wiring layer and the second electrode lay all is arranged at substrate, and insulation course is set between electric wiring layer and the second electrode lay again.
Based on above-mentioned design, the utility model provides a kind of electrophoretic display apparatus, and it comprises: first substrate with light transmission; Be positioned at lip-deep transparent first electrode layer of first substrate; Second substrate disposes with first substrate relatively; Be positioned at lip-deep electric wiring layer of second substrate; With the insulation course that electric wiring layer another side contacts, it possesses conductive through hole; The second electrode lay that contacts with the insulation course another side; The position that between the second electrode lay and adjacent electric wiring layer, needs electric connection, conductive through hole is reserved in position corresponding on insulation course, and the second electrode lay electrically connects through the conductive through hole and the electric wiring layer of insulation course; The electrophoresis medium layer is between first electrode layer and the second electrode lay.
As an embodiment of a kind of electrophoretic display apparatus of the utility model, be furnished with two groups or more electric wiring layer and insulation course on said second substrate.Insulation course is clipped between the adjacent electric wiring layer.The position that between adjacent electric wiring layer, need to electrically connect, conductive through hole is reserved in position corresponding on insulation course, make adjacent electric wiring layer at the conductive through hole place electrically conducting.
As an embodiment of a kind of electrophoretic display apparatus of the utility model, described second substrate can be processed by materials such as resin, glass, paperys.
As an embodiment of a kind of electrophoretic display apparatus of the utility model, electric wiring layer, insulation course and the second electrode lay on described second substrate, the thickness of each layer are not more than 50 microns, can use the method for serigraphy to make.
As an embodiment of a kind of electrophoretic display apparatus of the utility model, electric wiring layer and the second electrode lay that said electric wiring layer and the second electrode lay adopt carbon slurry or silver slurry to process through serigraphy; Said the second electrode lay is the second electrode lay that conductive through hole is direct and the formation of electric wiring layer electrically connects that when it is made, passes through on the insulation course.
As an embodiment of a kind of electrophoretic display apparatus of the utility model, the insulation course of said insulation course for adopting photosensitive resin or heat reactive resin to process through serigraphy and curing.
As an embodiment of a kind of electrophoretic display apparatus of the utility model, it also comprises first moisture-proofing film that has light transmission and cover first outer surface of substrate, also can further comprise second moisture-proofing film that covers second outer surface of substrate.
Based on above-mentioned design, the utility model also provides a kind of electronic equipment, and this electronic equipment has described electrophoretic display apparatus.This electronic equipment comprises possessing all devices that utilizes electrophoresis material to show, it comprises display device, television equipment, Electronic Paper, wrist-watch, phone, portable data assistance, portable terminal etc.; Also comprise object with flexual paper shape/film like or the like.
The utility model electrophoretic display apparatus and the electronic equipment with this electrophoretic display apparatus all are arranged at electric wiring layer and the second electrode lay inside surface one side of second substrate; Insulation course is set in electric wiring layer and the second electrode lay again, can protects electric wiring layer and electrophoresis medium layer better through first substrate, the supporting role of not making second substrate of through hole like this; And like this, substrate need not bored a hole, and better tightness can better be protected the do not make moist air humidity gas influence of electrophoresis medium layer.
Specify the utility model below in conjunction with accompanying drawing, it is as the part of this instructions, through embodiment the principle of the utility model is described, other aspects, characteristic and the advantage thereof of the utility model will become very clear through this detailed description.
Description of drawings
Fig. 1 is a kind of electrophoretic display apparatus of the utility model section structure synoptic diagram in one embodiment;
Fig. 2 has section structural representation among 2 groups of insulation courses and the electric wiring layer embodiment for a kind of electrophoretic display apparatus of the utility model;
Fig. 3 has section structural representation among the embodiment of damp proof diaphragm for a kind of electrophoretic display apparatus of the utility model;
Fig. 4 has section structural representation among the embodiment of adhesive layer independently for a kind of electrophoretic display apparatus electrophoresis of the utility model medium layer surface.
Embodiment
Specify the embodiment of the utility model with reference to accompanying drawing.
Fig. 1 is a kind of electrophoretic display apparatus of the utility model section structure synoptic diagram in one embodiment.Electrophoretic display apparatus in the present embodiment mainly comprises first substrate 11, first electrode layer 12, second substrate 18, the second electrode lay 15, electric wiring layer 17, insulation course 16, electrophoresis medium layer 14, connection electrode 13.
First substrate 11 has light transmission and flexual substrate for adopting transparent insulativity synthetic resin etc., comprises the clear PET film, the clear PET film of preferred thickness between 75 microns and 150 microns.Also can adopt glass substrate or thicker hard substrates such as plastic base in addition.
First electrode layer 12, it is between first substrate, 11 inside surfaces and electrophoresis medium layer 14.This first electrode layer 12 can constitute for nesa coatings such as ITO (indium tin oxide) or other materials, comprises Nano Silver transparent conductive film, carbon nano tube transparent film etc., other nanometer transparent conductive material thin film, preferred ITO.
Second substrate 18 disposes with first substrate, 11 plates relatively.It can adopt and above-mentioned first substrate, 11 identical materials constitute, the thermoplastic property made resin, thermosetting resin etc., PET for example, FR4 etc.; Also can adopt glass baseplate or paper material.
Electric wiring layer 17 is positioned at the inside surface of second substrate, can be processed by materials such as Copper Foil, carbon slurry or silver slurries, can comply with certain Rule Design according to the actual requirements and become corresponding wiring diagram.Insulation course 16; Be positioned at the another side of electric wiring layer; Insulation course can be processed by materials such as insulativity synthetic resin, UV resin for example, photosensitive resin or heat reactive resin etc.; This insulation course 16 possesses conductive through hole 21, and it is electrically connected at when making the second electrode lay 15 or the second electric wiring layer 171 and directly contacts formation with the electric wiring layer that has formed through the conductive through hole on the insulation course 21 or 211.
The second electrode lay 15 is positioned at the another side of insulation course 16.The second electrode lay 15 in the present embodiment may be partitioned into a plurality of bodies, and is arranged in rectangular or other, has the effect as pixel electrode.
Wherein, electric wiring layer 17, insulation course 16, the second electrode lay 15 can be made on second substrate 18 through technologies such as serigraphy, sputter or chemogenic deposits.As use the sheet material of PET as second substrate 18; The surface generates the electric wiring layer with carbon slurry or silver slurry through silk screen printing process; On the electric wiring layer, use insulating oil to generate insulation course then through silk screen printing process; Conductive through hole is reserved in the position that wherein needs conducting at the electric wiring layer, on insulation course, uses carbon slurry or silver-colored pulp material to generate the second electrode lay through silk screen printing process at last again; Also can use the sheet material of glass as second substrate 18; The surface uses ITO (indium tin oxide) to generate the electric wiring layer through etched technology; On the electric wiring layer, generate insulation course through silk screen printing process then with insulating oil; On insulation course, generate the second electrode lay with carbon slurry or silver slurry through silk screen printing process at last, perhaps the method through chemogenic deposit generates electric insulation layer, generates the second electrode lay through magnetron sputtering technique at last.
Electrophoresis medium layer 14 is between first electrode layer 12 and the second electrode lay 15.This electrophoresis medium layer 14 comprises by some microcapsules of adhesive, contains electrophoresis spreading agent, electrophoresis particle at microcapsules.Electrophoresis particle can move in the electrophoresis spreading agent according to impressed voltage, can use a kind of (of the same colour) above electrophoresis particle; Can use the different particles that have the plus or minus electric charge, or use is just having or the different particles of neutral charge, or using the different particles that have negative charge or neutral charge.Electrophoresis medium layer 14 can form through following processing step: said microcapsules together mix the formation electrophoretic display materials with bonding agent and adjuvant; On first transparent electrode layer, one side of first substrate, apply the electrophoretic display materials of above-mentioned mixing; Final drying forms the electrophoresis medium layer; This electrophoresis medium layer thickness is 20 microns to 80 microns, and its surface has viscosity.
Connection electrode 13 is used to be electrically connected (not shown) such as electric wiring layers of a face side of first electrode layer 12 and second substrate 18 of first substrate 11, is formed on the peripheral part (periphery of viewing area) of second substrate 18.
With reference to figure 2; On the basis of Fig. 1, on second substrate 18, process two-layer electric wiring layer and insulation course, be respectively electric wiring layer 17 and electric wiring layer 171; Insulation course 16 and insulation course 161; Wherein insulation course 16 and insulation course 161 all have conductive through hole, are respectively conductive through hole 21 and conductive through hole 211, electrically connect with electric wiring layer 171 to satisfy the second electrode lay 15; And electric wiring layer 171 electrically connects with electric wiring layer 17, reaches the demand more complicated or electrode that density is higher.Certainly in other embodiments, on second substrate 18, can also process electric wiring layer and insulation course more than 3 layers or 3 layers.
With reference to figure 3, on the basis of Fig. 1, be covered with moisture-proofing film respectively in the outside surface of first substrate 11 and second substrate 18, wherein first moisture-proofing film 10 is positioned at the outside surface of first substrate 11, and second moisture-proofing film 19 is positioned at the outside surface of second substrate 18.
First moisture-proofing film 10 is mounted on the outside surface of first substrate 11 and covers this first substrate 11, plays the effect of seal protection electrophoresis medium layer.The material that this first moisture-proofing film 10 employing PET etc. have light transmission constitutes.This first moisture-proofing film 10 comprises part that covers first substrate 11 and the extension that is configured in this part periphery.
Second moisture-proofing film 19 is mounted on the outside surface of second substrate 18 and covers this second substrate 18, plays the effect of seal protection electrophoresis medium layer 14.The material that this second moisture-proofing film 19 both can adopt PET etc. to have light transmission is processed, and also can adopt materials such as aluminium film to process.This second moisture-proofing film 19 comprises part that covers second substrate 18 and the extension that is configured in this part periphery.
With reference to figure 4; On the basis of Fig. 1, Fig. 2 or Fig. 3 structure, can have viscosity on the surface towards the second electrode lay of electrophoresis medium layer, also can not have viscosity; Increase one deck adhesive layer 141 in its surface, play the effect of the bonding of electrophoresis medium layer and the second electrode lay.
The utility model also provides a kind of electronic equipment, and this electronic equipment has above-mentioned arbitrary described electrophoretic display apparatus.This electronic equipment comprises possessing all devices that utilizes the display part that electrophoresis material shows, it comprises display device, television equipment, Electronic Paper, wrist-watch, phone, portable data assistance, portable terminal etc.; Also comprise object with flexual paper shape/film like or the like.
Electrophoretic display apparatus in the foregoing description and the electronic equipment with this electrophoretic display apparatus all are arranged at electric wiring layer and the second electrode lay inside surface one side of second substrate; Insulation course is set in electric wiring layer and the second electrode lay again, can protects the electric wiring layer better through the supporting role of first substrate, second substrate like this.
The above disclosed preferred embodiment that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.

Claims (10)

1. electrophoretic display apparatus, it comprises:
First substrate (11) with light transmission;
Be positioned at transparent first electrode layer (12) on (11) surfaces of first substrate;
Second substrate (18) with first substrate (11) configuration relatively, is characterized in that, also comprises:
Be positioned at second (18) lip-deep electric wiring layers of substrate (17);
With the insulation course (16) that electric wiring layer (17) another side contacts, it possesses conductive through hole (21);
The second electrode lay (15) that contacts with insulation course (16) one side;
The second electrode lay (15) electrically connects with electric wiring layer (17) through the conductive through hole (21) of insulation course (16);
Electrophoresis medium layer (14) is between said first electrode layer (12) and the second electrode lay (15).
2. electrophoretic display apparatus as claimed in claim 1 is characterized in that on the surface of the second electrode lay, having one deck adhesive layer (141) in the electrophoresis medium layer.
3. electrophoretic display apparatus as claimed in claim 1 is characterized in that being furnished with on said second substrate (18) two groups or more said electric wiring layer and insulation course.
4. like claim 1 or 2 or 3 described electrophoretic display apparatus, it is characterized in that second substrate of said second substrate for processing by resin material or glass material or paper material.
5. like claim 1 or 2 or 3 described electrophoretic display apparatus, it is characterized in that the thickness of said electric wiring layer, insulation course and the second electrode lay all is not more than 50 microns.
6. like claim 1 or 2 or 3 described electrophoretic display apparatus, it is characterized in that electric wiring layer and the second electrode lay that said electric wiring layer and the second electrode lay adopt carbon slurry or silver slurry to process through serigraphy; Said the second electrode lay is the second electrode lay that conductive through hole is direct and the formation of electric wiring layer electrically connects that when it is made, passes through on the insulation course.
7. like claim 1 or 2 or 3 described electrophoretic display apparatus, it is characterized in that the insulation course of said insulation course for adopting photosensitive resin or heat reactive resin to process through serigraphy and curing.
8. like claim 1 or 2 or 3 described electrophoretic display apparatus, it is characterized in that it also comprises first moisture-proofing film (10) that has light transmission and cover first outer surface of substrate.
9. electrophoretic display apparatus as claimed in claim 8 is characterized in that it also comprises second moisture-proofing film (19) that covers second outer surface of substrate.
10. an electronic equipment is characterized in that, it has like the arbitrary described electrophoretic display apparatus among the claim 1-9.
CN 201220046070 2012-02-14 2012-02-14 Electrophoretic display device and electronic equipment with same Expired - Fee Related CN202494844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220046070 CN202494844U (en) 2012-02-14 2012-02-14 Electrophoretic display device and electronic equipment with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220046070 CN202494844U (en) 2012-02-14 2012-02-14 Electrophoretic display device and electronic equipment with same

Publications (1)

Publication Number Publication Date
CN202494844U true CN202494844U (en) 2012-10-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110753622A (en) * 2017-04-14 2020-02-04 迪乐公司 Integrated electrical components within laminates
WO2020204935A1 (en) * 2019-04-05 2020-10-08 Hewlett-Packard Development Company, L.P. Covers for electronic devices
CN112888174A (en) * 2021-02-01 2021-06-01 广州易博士管理咨询有限公司 Preparation method of EPD display driving board

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110753622A (en) * 2017-04-14 2020-02-04 迪乐公司 Integrated electrical components within laminates
CN110753622B (en) * 2017-04-14 2022-06-07 迪乐公司 Integrated electrical component within a laminate
WO2020204935A1 (en) * 2019-04-05 2020-10-08 Hewlett-Packard Development Company, L.P. Covers for electronic devices
CN112888174A (en) * 2021-02-01 2021-06-01 广州易博士管理咨询有限公司 Preparation method of EPD display driving board
CN112888174B (en) * 2021-02-01 2022-07-05 广东志慧芯屏科技有限公司 Preparation method of EPD display driving board

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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: 20121017

Termination date: 20190214