CN113376921A - Edge packaging structure of electronic paper - Google Patents
Edge packaging structure of electronic paper Download PDFInfo
- Publication number
- CN113376921A CN113376921A CN202110650783.8A CN202110650783A CN113376921A CN 113376921 A CN113376921 A CN 113376921A CN 202110650783 A CN202110650783 A CN 202110650783A CN 113376921 A CN113376921 A CN 113376921A
- Authority
- CN
- China
- Prior art keywords
- electronic paper
- layer
- groove
- edge
- glue
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 89
- 239000012790 adhesive layer Substances 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 20
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 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
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass 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
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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 one side of the electronic paper layer is provided with a protruding ear part, the ear part is provided with an ear hole for connecting the electronic paper layer and the substrate, 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 ear part and the inside of the glue groove so as to package a visible area of the electronic paper. The invention can package the visible area of the electronic paper, prevent the gas in the ear hole from entering the visible area, avoid the defect 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 era of internet of things in which the internet enters into connection with things, 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 due to passive light emission, and is widely applied to the paper-like display fields of electronic books, electronic shelf labels and the like by replacing a single image with ultra-low power consumption. In the electronic paper market, the electrophoretic electronic paper occupies a dominant position. The principle of the electrophoresis type electronic paper is as follows: under the action of an electric field, the electrophoretic particles move in the electrophoretic fluid, and the particles are charged or individual particles are not charged after surface treatment, 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 protection 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 and the substrate is disposed on the ear portion, and a silver paste at a midpoint of the ear hole conducts an ITO layer on the substrate and an ITO layer on the electronic paper, because the ear hole is cleaned, alcohol is needed to be used for wiping, and gas is present in the ear hole, after the electronic paper layer is attached to the substrate, the gas is sealed, but in a high-temperature environment, the gas can slowly invade a visible area of the electronic paper under thermal expansion and cold contraction, thereby causing the phenomena of water inflow, bulging, corrosion of substrate via holes and the like of the electronic paper, and seriously affecting the quality and the service life of the electronic paper.
Disclosure of Invention
Aiming at the problems in the prior art, the edge packaging structure of the electronic paper is provided to package the visible area of the electronic paper, prevent the gas in the ear hole from entering the visible area, avoid the defect of the visible area, improve the quality of the electronic paper and prolong the service life of the electronic paper.
The specific technical scheme is as follows:
the utility model provides an edge packaging structure of electronic paper, includes base plate, electron paper layer and protection film, one side of electron paper layer is provided with outstanding ear, just be provided with in the ear and be used for connecting the ear hole of electron paper layer and base plate be provided with the glue groove between ear hole and the electron paper layer all set up the visible area of banding glue in order to encapsulate the electronic paper in the edge of electron paper layer, the edge of ear and the glue groove.
Compared with the prior art, the invention has the following advantages: because the gas is generated in the ear hole, in order to avoid the gas from invading the visible area of the electronic paper after expansion with heat and contraction with cold, the glue groove is arranged between the ear hole and the electronic paper layer, and then the glue groove, the edge of the electronic paper layer and the edge of the ear are filled with the edge sealing glue to encapsulate the visible area of the electronic paper, thereby effectively avoiding the defects caused by the invasion of the gas into the visible 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 disposed. The electronic paper layer is bonded on the substrate through the adhesive layer.
As an improvement of the present invention, the glue groove penetrates through the electronic ink layer and the adhesive layer. And semi-cutting the electronic ink layer and the adhesive layer which penetrate through the electronic paper layer through a laser machine to form the glue tank. Because the bubbles are generated between the adhesive layer and the substrate and cannot invade the ITO layer, the glue groove only needs to penetrate through the electronic ink layer and the adhesive layer, and the edge sealing glue is filled in the glue groove to separate gas.
As a refinement of the present invention, the ear hole penetrates the electronic ink layer and the adhesive layer. Silver paste is dotted in the ear hole 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 glue can conveniently flow into the glue groove along the edge of the electronic paper layer for packaging.
And then, the glue groove comprises a first groove wall and a second groove wall, the first groove wall is an arc-shaped groove arm and is bent towards one side close to the electronic paper layer, and the second groove wall is a linear groove wall. In order to enable the edge sealing glue to flow into the glue groove more smoothly, the glue groove is designed to comprise a first groove wall and a second groove wall, the first groove wall is close to the ear hole, the first groove wall is an arc-shaped groove and is bent towards one side close to the electronic paper layer, so that the edge sealing glue can flow into the glue groove along the edge of the electronic paper layer, the first groove wall plays a role in guiding, and meanwhile, the first groove wall is designed to be arc-shaped, so that the area of the glue groove can be increased compared with a linear groove wall, and the packaging effect is firmer; the second slot wall is a straight line slot wall, and the second slot wall is close to the rectangular visible area, so that the second slot wall is designed to be straight line, and the shell outside the visible area can be conveniently packaged.
Drawings
FIG. 1 is a schematic diagram of a prior art electronic paper structure;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of an electronic paper layer in the present invention;
fig. 5 is a state diagram of the use of the present invention after the packaging is completed.
In the drawings, 1, a substrate; 2. an electronic paper layer; 2.1, an 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 portion; 3.1, earhole; 4. a protective film; 5. a glue tank; 5.1, a first groove wall; 5.2, a second groove wall; 6. a visible area; 7. and (7) edge sealing glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2, the present invention illustrates an edge sealing structure of electronic paper, which includes a substrate 1, an electronic paper layer 2, and a protective film 4. The concrete structure is as follows:
the substrate 1 is a TFT substrate, i.e., a glass substrate, and is disposed at the bottom, on which an electronic paper layer 2 and a protective film 4 are disposed.
The protection film 4 is a PS film for protecting the electronic paper layer 2, so that the electronic paper layer 2 is completely covered with the PS film after the electronic paper layer 2 is mounted on the substrate 1, thereby protecting the electronic paper layer 2.
As shown in fig. 2, the area outlined by the thick line frame is the 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 end is communicated with the edge of the electronic paper layer 2. During the encapsulation, through the edge sealing glue 7 glue in the edge of electron paper layer 2, the edge of ear 3 and glue groove 5 can, realize the encapsulation to electron paper edge, avoid the bubble to invade visual 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 glue 7 to flow into the glue groove 5 more smoothly, the glue groove 5 is designed to comprise a first groove wall 5.1 and a second groove wall 5.2, the first groove wall 5.1 is close to the ear hole 3.1, and the first groove 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 glue 7 can flow into the glue groove 5 along the edge of the electronic paper layer 2, the first groove wall 5.1 plays a role in guiding flow, and meanwhile, the first groove wall 5.1 is designed to be arc-shaped, so that the area of the glue groove 5 can be increased compared with a straight-line-shaped groove wall, and the packaging effect is firmer; the second slot wall 5.2 is a straight slot wall, and since the second slot wall 5.2 is close to the rectangular visible area 6, the second slot wall 5.2 is designed to be straight, so as to facilitate the package of the housing outside the visible area 6. In actual manufacturing, 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 part is invisible, so that the edge sealing glue 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 needs to be performed to ensure that the visible area 6 of the electronic paper is bubble-free, but in the later process of setting and cleaning the ear hole 3.1, gas is generated in the ear hole 3.1, and in order to avoid the gas from invading the visible area 6, the invasion of the gas between the ear part 3 and the electronic paper layer 2 needs to be blocked. In this embodiment, the air barrier is performed by providing the glue groove 5 between the ear portion 3 and the electronic paper layer 2. The glue groove 5 penetrates through the electronic ink layer 2.4 and the glue layer 2.5, and bubbles are generated between the glue layer 2.5 at the ear hole 3.1 and the substrate 1 and 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, only the bubbles half-cut through the electronic ink layer 2.4 and the glue layer 2.5 to form the glue groove 5, and then glue is filled in the edges of the electronic paper layer 2, the edges of the ears 3 and the glue groove 5 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 figure 5.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear, inner and outer … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an edge packaging structure of electronic paper, includes base plate (1), electronic paper layer (2) and protection film (4), one side of electronic paper layer (2) is provided with outstanding ear (3), just be provided with on ear (3) and be used for connecting ear hole (3.1) of electronic paper layer (2) and base plate (1), its characterized in that: be provided with glue groove (5) between ear hole (3.1) and electron paper layer (2) all set up in the edge of electron paper layer (2), the edge of ear (3) and glue groove (5) and seal the visual area (6) of limit glue (7) in order to encapsulate the electron paper.
2. The edge sealing 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 disposed.
3. The edge sealing structure of electronic paper according to claim 2, wherein the glue groove (5) penetrates the electronic ink layer (2.4) and the adhesive layer (2.5).
4. The edge sealing structure of electronic paper according to claim 2, wherein the ear hole (3.1) penetrates through the electronic ink layer (2.4) and the adhesive layer (2.5).
5. The edge sealing structure of electronic paper according to claim 1, wherein the glue groove (5) is a through groove with two open ends and communicating with the edge of the electronic paper layer (2).
6. The edge sealing structure of electronic paper according to claim 1, wherein the glue groove (5) comprises a first groove wall (5.1) and a second groove wall (5.2), the first groove wall (5.1) is an arc-shaped groove arm and is curved toward a side close to the electronic paper layer (2), and the second groove wall (5.3) is a straight groove wall.
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 true CN113376921A (en) | 2021-09-10 |
| CN113376921B CN113376921B (en) | 2024-04-05 |
Family
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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 |
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| CN (1) | CN113376921B (en) |
Citations (9)
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|---|---|---|---|---|
| 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 |
| US20160116817A1 (en) * | 2012-02-07 | 2016-04-28 | E Ink Holdings Inc. | Electronic ink display device with water-proof glue |
| US20170003526A1 (en) * | 2015-07-02 | 2017-01-05 | Apple Inc. | Display Border Area with Dual Trench Structures |
| US20180310426A1 (en) * | 2017-04-21 | 2018-10-25 | Samsung Electronics Co., Ltd | Electronic device including waterproof structure |
| 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 |
-
2021
- 2021-06-11 CN CN202110650783.8A patent/CN113376921B/en active Active
Patent Citations (9)
| 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 |
| US20160116817A1 (en) * | 2012-02-07 | 2016-04-28 | E Ink Holdings Inc. | Electronic ink display device with water-proof glue |
| TW201339725A (en) * | 2012-03-27 | 2013-10-01 | E Ink Holdings Inc | Electronic ink display device and method for manufacturing the same |
| US20170003526A1 (en) * | 2015-07-02 | 2017-01-05 | Apple Inc. | Display Border Area with Dual Trench Structures |
| US20180310426A1 (en) * | 2017-04-21 | 2018-10-25 | Samsung Electronics Co., Ltd | Electronic device including waterproof structure |
| 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 |
|---|---|
| CN113376921B (en) | 2024-04-05 |
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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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