CN113376921B - Edge packaging structure of electronic paper - Google Patents
Edge packaging structure of electronic paper Download PDFInfo
- Publication number
- CN113376921B CN113376921B CN202110650783.8A CN202110650783A CN113376921B CN 113376921 B CN113376921 B CN 113376921B CN 202110650783 A CN202110650783 A CN 202110650783A CN 113376921 B CN113376921 B CN 113376921B
- Authority
- CN
- China
- Prior art keywords
- electronic paper
- layer
- edge
- groove
- paper layer
- 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.)
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 86
- 239000012790 adhesive layer Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 description 12
- 230000001070 adhesive effect Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012945 sealing adhesive Substances 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/16755—Substrates
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The invention discloses an edge packaging structure of electronic paper, which comprises a substrate, an electronic paper layer and a protective film, wherein a protruding lug is arranged on one side of the electronic paper layer, an ear hole for connecting the electronic paper layer with the substrate is arranged on the lug, a glue groove is arranged between the ear hole and the electronic paper layer, and edge sealing glue is arranged on the edge of the electronic paper layer, the edge of the lug and the inside of the glue groove so as to package a visible area of the electronic paper. The invention can encapsulate the visible area of the electronic paper, prevent the gas in the earhole from entering the visible area, avoid the bad appearance of the visible area, improve the quality of the electronic paper and prolong the service life of the electronic paper.
Description
Technical Field
The invention relates to the technical field of electronic paper, in particular to an edge packaging structure of electronic paper.
Background
In the Internet of things age when the Internet enters the Internet of things, the electronic paper becomes an important display medium for information exchange and communication. The electronic paper has the image storage and display characteristics of paper-like, and is widely applied to the paper-like display fields such as electronic books, electronic shelf labels and the like by replacing a single image with ultralow power consumption. In the electronic paper market, electrophoresis type electronic paper occupies a dominant place. The principle of the electrophoresis type electronic paper is as follows: the electrophoretic particles are moved in the electrophoretic liquid by an electric field, and the particles are subjected to surface treatment and are charged or uncharged, so that various particles form a desired arrangement to display images and characters.
As shown in fig. 1, a general electronic paper structure includes a substrate, an electronic paper layer and a protective film, and a protruding ear portion is generally disposed on one side of the electronic paper layer, an ear hole for connecting the electronic paper layer with the substrate is disposed on the ear portion, and silver paste is dotted in the ear hole to conduct an ITO layer on the substrate and an ITO layer on the electronic paper.
Disclosure of Invention
Aiming at the problems in the prior art, the edge packaging structure of the electronic paper is provided for packaging the visible area of the electronic paper, preventing gas in the earhole from entering the visible area, avoiding the occurrence of defects in the visible area, improving the quality of the electronic paper and prolonging the service life of the electronic paper.
The specific technical scheme is as follows:
the edge packaging structure of the electronic paper comprises a substrate, an electronic paper layer and a protective film, wherein a protruding lug part is arranged on one side of the electronic paper layer, an ear hole for connecting the electronic paper layer with the substrate is formed in the lug part, a glue groove is formed between the ear hole and the electronic paper layer, and edge sealing glue is arranged on the edge of the electronic paper layer, the edge of the lug part and the inside of the glue groove so as to encapsulate a visible area of the electronic paper.
Compared with the prior art, the invention has the following advantages: in order to prevent gas from invading the visual area of the electronic paper after expanding with heat and contracting with cold, the invention fills the edge sealing glue between the glue groove and the edge of the electronic paper layer and the edge of the ear to encapsulate the visual area of the electronic paper by arranging the glue groove between the earhole and the electronic paper layer, thereby effectively avoiding the defect caused by the invasion of gas into the visual area, improving the quality of the electronic paper and greatly prolonging the service life of the electronic paper.
Preferably, the electronic paper layer comprises an OCA layer, a PET layer, an ITO layer, an electronic ink layer and an adhesive layer which are sequentially arranged. The electronic paper layer is adhered to the substrate through the adhesive layer.
As an improvement of the invention, the glue groove penetrates through the electronic ink layer and the adhesive layer. And half-cutting the electronic ink layer and the adhesive layer which pass through the electronic paper layer by a laser machine to form the adhesive groove. Because the bubble is generated between the adhesive layer and the substrate, the ITO layer cannot be invaded, so that the adhesive tank only needs to pass through the electronic ink layer and the adhesive layer, and the edge sealing adhesive is filled in the adhesive tank to block gas.
As an improvement of the invention, the ear hole passes through the electronic ink layer and the adhesive layer. Silver paste is spotted in the earholes to conduct the ITO layer in the electronic paper layer and the ITO layer on the substrate.
As another improvement of the invention, the glue groove is a through groove with two open ends and communicated with the edge of the electronic paper layer. Through the design, the edge sealing adhesive can flow into the adhesive groove along the edge of the electronic paper layer for encapsulation.
The glue groove comprises a first groove wall and a second groove wall, wherein the first groove wall is an arc groove arm and is bent towards one side close to the electronic paper layer, and the second groove wall is a straight groove wall. In order to enable the edge sealing adhesive to smoothly flow into the adhesive water tank, the adhesive water tank is designed to comprise a first tank wall and a second tank wall, the first tank wall is close to the earhole, and the first tank wall is an arc-shaped tank and is bent towards one side close to the electronic paper layer, so that the edge sealing adhesive can flow into the adhesive water tank along the edge of the electronic paper layer, the first tank wall plays a role in guiding flow, and meanwhile, the first tank wall is designed to be arc-shaped, so that the area of the adhesive water tank can be increased compared with that of a straight line tank wall, and the packaging effect is firmer; the second groove wall is a straight groove wall, and is close to the rectangular visible area, so that the second groove wall is designed to be straight, and the shell outside the visible area is conveniently packaged.
Drawings
FIG. 1 is a schematic diagram of a prior art electronic paper;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2;
fig. 4 is a schematic structural diagram of an electronic paper layer in the present invention;
fig. 5 is a view showing the use state of the package of the present invention after completion.
In the attached drawings, 1, a substrate; 2. an electronic paper layer; 2.1, OCA layer; 2.2, PET layer; 2.3, an ITO layer; 2.4, an electronic ink layer; 2.5, an adhesive layer; 3. an ear; 3.1, earholes; 4. a protective film; 5. a glue tank; 5.1, a first groove wall; 5.2, a second groove wall; 6. a viewable area; 7. edge sealing glue.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 2, the present invention shows an edge packaging structure of electronic paper, including a substrate 1, an electronic paper layer 2, and a protective film 4. The specific structure is as follows:
the substrate 1 is a TFT substrate, i.e. a glass substrate, and is arranged at the bottom, on which an electronic paper layer 2 and a protective film 4 are arranged.
The electronic paper layer 2 comprises an OCA layer 2.1, a PET layer 2.2, an ITO layer 2.3, an electronic ink layer 2.4 and an adhesive layer 2.5 which are sequentially arranged, as shown in fig. 4, wherein the adhesive layer 2.5 is fixedly adhered to the substrate 1, two protruding lugs 3 are arranged on one side of the electronic paper layer 2, and the two lugs 3 are arranged at two ends of one side and are symmetrically arranged. An ear hole 3.1 for connecting the electronic paper layer 2 with the substrate 1 is arranged on the ear part 3, the ear hole 3.1 passes through the electronic ink layer 2.4 and the viscose layer 2.5, and silver paste is arranged in the ear hole 3.1 to conduct the ITO layer 2.3 in the electronic paper layer 2 with the ITO layer in the substrate 1.
The protective film 4 is a PS film for protecting the electronic paper layer 2, so that after the electronic paper layer 2 is mounted on the substrate 1, the electronic paper layer 2 is completely covered with the PS film, thereby protecting the electronic paper layer 2.
As shown in fig. 2, the thick frame is outlined as a visible area 6 of the electronic paper. A glue groove 5 is arranged between the ear hole 3.1 and the visible area 6 of the electronic paper layer 2, as shown in fig. 3, the glue groove 5 is a through groove with two open ends and the open part is communicated with the edge of the electronic paper layer 2. During packaging, the edge of the electronic paper layer 2, the edge of the lug part 3 and the glue groove 5 are glued by the edge sealing glue 7, so that the edge of the electronic paper is packaged, and bubbles are prevented from invading the visible area 6. Because the glue groove 5 is a through groove, the edge sealing glue 7 can freely flow into the glue groove 5. In order to enable the edge sealing adhesive 7 to smoothly flow into the adhesive water tank 5, the adhesive water tank 5 is designed to comprise a first tank wall 5.1 and a second tank wall 5.2, the first tank wall 5.1 is close to the earhole 3.1, and the first tank wall 5.1 is an arc-shaped groove and is bent towards one side close to the electronic paper layer 2, so that the edge sealing adhesive 7 can flow into the adhesive water tank 5 along the edge of the electronic paper layer 2, the first tank wall 5.1 plays a role in guiding flow, and meanwhile, the first tank wall 5.1 is designed to be arc-shaped, compared with the linear tank wall, the area of the adhesive water tank 5 can be increased, and the packaging effect is firmer; the second groove wall 5.2 is a straight groove wall, and since the second groove wall 5.2 is close to the rectangular visual area 6, the second groove wall 5.2 is designed to be straight, so that the outer shell outside the visual area 6 is conveniently packaged. In actual manufacture, the outside of the visible area 6 needs to be encapsulated by a shell, so that only the visible area is exposed, and the rest is invisible, so that the edge sealing adhesive 7 does not influence the beauty of the electronic paper.
In the manufacturing process of the electronic paper, after the substrate 1 is adhered to the electronic paper layer 2, defoaming treatment is required to ensure that the visible area 6 of the electronic paper is bubble-free, but in the later ear hole 3.1 setting and cleaning process, gas is generated in the ear hole 3.1, and in order to avoid the gas from invading the visible area 6, the gas invasion needs to be blocked between the ear part 3 and the electronic paper layer 2. In this embodiment, the gas barrier is performed by providing a glue groove 5 between the ear portion 3 and the electronic paper layer 2. The glue groove 5 passes through the electronic ink layer 2.4 and the viscose layer 2.5, and because bubbles are generated between the viscose layer 2.5 at the position of the earhole 3.1 and the substrate 1, the bubbles cannot invade the ITO layer 2.3 in the electronic paper layer 2, so when the glue groove 5 is cut by a laser machine, the glue groove 5 is only needed to be formed by half-cutting through the electronic ink layer 2.4 and the viscose layer 2.5, and then the edges of the electronic paper layer 2, the edges of the ears 3 and the glue groove 5 are filled with glue to encapsulate the visible area 6 of the electronic paper, so that the gas can be prevented from invading the visible area 6, the quality of the electronic paper is effectively improved, and the service life of the electronic paper is greatly prolonged, as shown in fig. 5.
It should be noted that all directional indications (such as up, down, left, right, front, rear, inner, outer … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (4)
1. The edge packaging structure of the electronic paper comprises a substrate (1), an electronic paper layer (2) and a protective film (4), wherein a protruding lug part (3) is arranged on one side of the electronic paper layer (2), and an ear hole (3.1) for connecting the electronic paper layer (2) with the substrate (1) is arranged on the lug part (3), and the edge packaging structure is characterized in that a glue groove (5) is arranged between the ear hole (3.1) and the electronic paper layer (2), and edge sealing glue (7) is arranged on the edge of the electronic paper layer (2), the edge of the lug part (3) and in the glue groove (5) so as to package a visible area (6) of the electronic paper;
the glue groove (5) is a through groove with two open ends and communicated with the edge of the electronic paper layer (2);
the glue groove (5) comprises a first groove wall (5.1) and a second groove wall (5.2), wherein the first groove wall (5.1) is an arc-shaped groove arm and is bent towards one side close to the electronic paper layer (2), and the second groove wall (5.3) is a linear groove wall.
2. The edge packaging structure of electronic paper according to claim 1, wherein the electronic paper layer (2) comprises an OCA layer (2.1), a PET layer (2.2), an ITO layer (2.3), an electronic ink layer (2.4) and an adhesive layer (2.5) which are sequentially arranged.
3. The edge packaging structure of electronic paper according to claim 2, wherein the glue groove (5) penetrates through the electronic ink layer (2.4) and the adhesive layer (2.5).
4. The edge packaging structure of electronic paper according to claim 2, wherein the ear hole (3.1) passes through the electronic ink layer (2.4) and the adhesive layer (2.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110650783.8A CN113376921B (en) | 2021-06-11 | 2021-06-11 | Edge packaging structure of electronic paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110650783.8A CN113376921B (en) | 2021-06-11 | 2021-06-11 | Edge packaging structure of electronic paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113376921A CN113376921A (en) | 2021-09-10 |
| CN113376921B true CN113376921B (en) | 2024-04-05 |
Family
ID=77573779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110650783.8A Active CN113376921B (en) | 2021-06-11 | 2021-06-11 | Edge packaging structure of electronic paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113376921B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008233591A (en) * | 2007-03-22 | 2008-10-02 | Seiko Epson Corp | Electrophoresis display device and manufacturing method thereof |
| TW201339725A (en) * | 2012-03-27 | 2013-10-01 | E Ink Holdings Inc | Electronic ink display device and method for manufacturing the same |
| CN110136582A (en) * | 2019-04-29 | 2019-08-16 | 江西兴泰科技有限公司 | A kind of water proof flexible screen and its manufacturing method |
| CN111180465A (en) * | 2020-01-03 | 2020-05-19 | 京东方科技集团股份有限公司 | Display panel, preparation method and display device |
| CN212965699U (en) * | 2020-07-27 | 2021-04-13 | 思电子系统意象公司 | Conductive structure and electronic paper device |
| CN215297887U (en) * | 2021-06-11 | 2021-12-24 | 江西兴泰科技有限公司 | Edge packaging structure of electronic paper |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9759979B2 (en) * | 2012-02-07 | 2017-09-12 | E Ink Holdings Inc. | Electronic ink display device with water-proof glue |
| US10288944B2 (en) * | 2015-07-02 | 2019-05-14 | Apple Inc. | Display border area with dual trench structures |
| KR102308940B1 (en) * | 2017-04-21 | 2021-10-05 | 삼성전자주식회사 | Electronic device including waterproof structure |
-
2021
- 2021-06-11 CN CN202110650783.8A patent/CN113376921B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008233591A (en) * | 2007-03-22 | 2008-10-02 | Seiko Epson Corp | Electrophoresis display device and manufacturing method thereof |
| TW201339725A (en) * | 2012-03-27 | 2013-10-01 | E Ink Holdings Inc | Electronic ink display device and method for manufacturing the same |
| CN110136582A (en) * | 2019-04-29 | 2019-08-16 | 江西兴泰科技有限公司 | A kind of water proof flexible screen and its manufacturing method |
| CN111180465A (en) * | 2020-01-03 | 2020-05-19 | 京东方科技集团股份有限公司 | Display panel, preparation method and display device |
| CN212965699U (en) * | 2020-07-27 | 2021-04-13 | 思电子系统意象公司 | Conductive structure and electronic paper device |
| CN215297887U (en) * | 2021-06-11 | 2021-12-24 | 江西兴泰科技有限公司 | Edge packaging structure of electronic paper |
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| Publication number | Publication date |
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| CN113376921A (en) | 2021-09-10 |
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Address after: 343000 in Jizhou Industrial Park, Ji'an City, Jiangxi Province Applicant after: Jiangxi Xingtai Technology Co.,Ltd. Address before: 343099 Industrial Park, Jizhou District, Ji'an City, Jiangxi Province Applicant before: JIANGXI XINGTAI TECHNOLOGY Co.,Ltd. |
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