CN112269289A - Flexible electronic paper display device and manufacturing method thereof - Google Patents
Flexible electronic paper display device and manufacturing method thereof Download PDFInfo
- Publication number
- CN112269289A CN112269289A CN202011088028.7A CN202011088028A CN112269289A CN 112269289 A CN112269289 A CN 112269289A CN 202011088028 A CN202011088028 A CN 202011088028A CN 112269289 A CN112269289 A CN 112269289A
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- China
- Prior art keywords
- flexible electronic
- layer
- electronic paper
- optical
- display device
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- 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
- G02F1/166—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 characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/372—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by the application of an electric field
Abstract
The invention discloses flexible electronic paper display equipment which comprises a panel layer, an electrophoretic display medium layer, a dot matrix circuit layer and an external circuit interface layer, wherein a liquid transparent optical adhesive layer is arranged between the panel layer and the electrophoretic display medium layer, and organic silicon resin, an acrylate monomer and tackifying resin are mixed and filled in the liquid transparent optical adhesive layer. The manufacturing method of the flexible electronic paper display device comprises the following steps: filling optical glue grease, performing optical irradiation and cutting and detaching to finally form the liquid transparent optical glue layer of the flexible electronic product. The surface of the flexible electronic paper is smooth, the flexible electronic product cannot be accidentally deformed during carrying, the low thermal expansion property and the heat resistance of the flexible electronic product are improved, the liquid transparent optical adhesive layer of the final product has excellent adhesion, seamless adhesion is realized between the liquid transparent optical adhesive layer and an inner layer circuit of a printed circuit board, the liquid transparent optical adhesive layer is neither too hard nor too soft, and the liquid transparent optical adhesive layer can be adhered or peeled from the printed circuit board with proper strength.
Description
Technical Field
The present disclosure relates to electronic paper and, particularly, to a flexible electronic paper display device and a method for manufacturing the same.
Background
Liquid Optical clear adhesive (Liquid Optical clear adhesive) is a transparent Liquid with high transparency and using high molecular material as main material. The liquid optically clear adhesive is generally applied in a manufacturing process of a touch display panel, and is disposed between a Glass Cover plate (Cover Glass) and a touch sensing layer and used for bonding the Glass Cover plate and the touch sensing layer. One of the characteristics of high transparency of the optically clear adhesive is: the degree of absorption of the backlight by the optical transparent adhesive when the backlight penetrates through the optical transparent adhesive is reduced, and the clarity of the displayed color image is maintained. Therefore, in the process of assembling the touch display panel, the high-transparency optical transparent adhesive film cannot have defects visually, otherwise, the image display abnormality can be directly or indirectly caused. Defects may include pits (dents), bubbles (bubbles), interface separation (de-plating), and the like.
Disclosure of Invention
The invention aims to provide a flexible electronic paper display device and a manufacturing method thereof, which solve the defects in the prior art.
The invention is realized by adopting the following technical scheme:
a flexible electronic paper display device comprises a panel layer, an electrophoretic display medium layer, a dot matrix circuit layer and an external circuit interface layer and is characterized in that a liquid transparent optical adhesive layer is arranged between the panel layer and the electrophoretic display medium layer, and organic silicon resin, acrylate monomer and tackifying resin are filled in the liquid transparent optical adhesive layer in a mixed mode.
Further, the tackifying resin comprises one or more of terpene phenolic resin, terpene resin and rosin resin.
Furthermore, the molecular structure of the tackifying resin contains carbonyl and/or hydroxyl.
Furthermore, the content of the tackifying resin is 2-10 wt%.
Furthermore, the content of the tackifying resin is 3-9 wt%, 4-8 wt% and 5-7 wt%.
A method of manufacturing a flexible electronic paper display device, the method comprising the steps of:
step 1) filling optical cement grease: arranging a coating device and a sheet, arranging one or more hollow parts on the surface of the sheet, arranging a surface film on the hollow parts, and filling optical grease from a liquid outlet of the coating device on the surface film;
step 2) optical irradiation: irradiating the semi-cured optical resin with external light curing device, and heating and pressurizing at 80-90 deg.C and 0.8-0.9 MPa;
step 3), cutting and detaching: and cutting the cured optical mastic by a cutting device, and detaching the optical mastic after cutting to form the liquid transparent optical mastic layer of the flexible electronic product.
Further, in the step 1), the thickness of the optical cement is 0.5-20 μm and 4-50 μm.
Further, in the optical irradiation of step 2), the duration of the irradiation by the ultraviolet device is more than 30 seconds and less than 45 seconds.
The invention has the beneficial technical effects that: the surface of the product is smooth, the accidental deformation caused by carrying the flexible electronic product is avoided, the low thermal expansion property and the heat resistance of the flexible electronic product are improved, the liquid transparent optical adhesive layer of the final product has excellent adhesion, the seamless adhesion between the liquid transparent optical adhesive layer and an inner layer circuit of a printed circuit board is realized, the liquid transparent optical adhesive layer is neither too hard nor too soft, and the adhesion or the peeling between the liquid transparent optical adhesive layer and the printed circuit board can be realized with moderate strength.
Drawings
Fig. 1 is a schematic view of a composite layer structure of a flexible electronic paper display device.
Detailed Description
The invention will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the invention to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the invention.
As shown in fig. 1, the flexible electronic paper display device includes a panel layer 1, an electrophoretic display medium layer 3, a dot matrix circuit layer 4, and an external circuit interface layer 5, wherein a liquid transparent optical adhesive layer 2 is disposed between the panel layer 1 and the electrophoretic display medium layer 3, the liquid transparent optical adhesive layer 2 is mixed and filled with a silicone resin, an acrylate monomer, and a tackifying resin, in this embodiment, the tackifying resin includes one or more of a terpene phenolic resin, a terpene resin, and a rosin resin, wherein a molecular structure in the tackifying resin contains a carbonyl group and/or a hydroxyl group. In this embodiment, the content of the tackifying resin is 2 to 10 wt%, and in other embodiments, the content of the tackifying resin is 3 to 9 wt%, 4 to 8 wt%, or 5 to 7 wt%.
The embodiment also provides a manufacturing method of the flexible electronic paper display device, which comprises the following steps: step 1) filling optical cement grease: arranging a coating device and a sheet, arranging one or more hollow parts on the surface of the sheet, arranging a surface film on the hollow parts, and filling optical grease from a liquid outlet of the coating device on the surface film; step 2) optical irradiation: irradiating the semi-cured optical resin with external light curing device, and heating and pressurizing at 80-90 deg.C and 0.8-0.9 MPa; step 3), cutting and detaching: and cutting the cured optical mastic by a cutting device, and detaching the optical mastic after cutting to form the liquid transparent optical mastic layer of the flexible electronic product.
In step 1) of this embodiment, the thickness of the optical cement is 0.5 to 20 μm, and in the optical irradiation in step 2), the duration of the irradiation by the ultraviolet device is more than 30 seconds and less than 45 seconds. In other embodiments, the optical cement has a thickness of 4-50 μm, and the duration of the UV irradiation is 35-45 seconds.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (8)
1. A flexible electronic paper display device comprises a panel layer, an electrophoretic display medium layer, a dot matrix circuit layer and an external circuit interface layer and is characterized in that a liquid transparent optical adhesive layer is arranged between the panel layer and the electrophoretic display medium layer, and organic silicon resin, acrylate monomer and tackifying resin are filled in the liquid transparent optical adhesive layer in a mixed mode.
2. The flexible electronic paper display device of claim 1, wherein the tackifying resin comprises one or more of terpene phenolic resins, terpene resins, rosin resins.
3. The flexible electronic paper display device according to claim 1, wherein the tackifying resin contains carbonyl and/or hydroxyl in its molecular structure.
4. The flexible electronic paper display device according to claim 1, wherein the content of the tackifying resin is 2 to 10 wt%.
5. The flexible electronic paper display device according to claim 4, wherein the content of the tackifying resin is 3-9 wt%, 4-8 wt%, 5-7 wt%.
6. A method of manufacturing a flexible electronic paper display device, the method comprising the steps of:
step 1) filling optical cement grease: arranging a coating device and a sheet, arranging one or more hollow parts on the surface of the sheet, arranging a surface film on the hollow parts, and filling optical grease from a liquid outlet of the coating device on the surface film;
step 2) optical irradiation: irradiating the semi-cured optical resin with external light curing device, and heating and pressurizing at 80-90 deg.C and 0.8-0.9 MPa;
step 3), cutting and detaching: and cutting the cured optical mastic by a cutting device, and detaching the optical mastic after cutting to form the liquid transparent optical mastic layer of the flexible electronic product.
7. The method of manufacturing a flexible electronic paper display device according to claim 6, wherein in step 1), the thickness of the optical mastic is 0.5 to 20 μm, 4 to 50 μm.
8. The method of manufacturing a flexible electronic paper display device according to claim 6, wherein in the optical irradiation of step 2), the duration of the ultraviolet means irradiation is more than 30 seconds and less than 45 seconds.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088028.7A CN112269289A (en) | 2020-10-13 | 2020-10-13 | Flexible electronic paper display device and manufacturing method thereof |
| PCT/CN2020/121725 WO2022077526A1 (en) | 2020-10-13 | 2020-10-18 | Flexible electronic paper display device and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088028.7A CN112269289A (en) | 2020-10-13 | 2020-10-13 | Flexible electronic paper display device and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112269289A true CN112269289A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011088028.7A Pending CN112269289A (en) | 2020-10-13 | 2020-10-13 | Flexible electronic paper display device and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112269289A (en) |
| WO (1) | WO2022077526A1 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011175053A (en) * | 2010-02-24 | 2011-09-08 | Saiden Chemical Industry Co Ltd | Adhesive composition for electronic paper |
| CN105892192A (en) * | 2016-06-07 | 2016-08-24 | 南京百柔光电科技有限公司 | Flexible electronic paper display device and manufacturing method thereof |
| CN106154675A (en) * | 2016-06-07 | 2016-11-23 | 南京百柔光电科技有限公司 | A kind of flexible electronic paper display device having ink layer and manufacture method thereof |
| CN205827027U (en) * | 2016-06-07 | 2016-12-21 | 南京百柔光电科技有限公司 | A kind of flexible electronic paper display device |
| CN206020895U (en) * | 2016-06-07 | 2017-03-15 | 南京百柔光电科技有限公司 | A kind of flexible electronic paper display device for having ink layer |
| CN206193416U (en) * | 2016-08-31 | 2017-05-24 | 广州奥翼电子科技股份有限公司 | Flexible electron paper part, electronic paper display and flexible electron paper diaphragm |
| CN108148511A (en) * | 2018-01-18 | 2018-06-12 | 苏州凡赛特材料科技有限公司 | A kind of optics adhesive, optics pressure sensitive adhesive, adhesive method, optical film |
| CN108329867A (en) * | 2018-03-13 | 2018-07-27 | 惠州市飞世尔实业有限公司 | Attaching capacitive touch screens hot melt light-cured type optical adhesive and preparation method |
| CN108467699A (en) * | 2018-05-08 | 2018-08-31 | 苏州盛达胶粘制品有限公司 | A kind of Optical adhesive composition and preparation method thereof |
-
2020
- 2020-10-13 CN CN202011088028.7A patent/CN112269289A/en active Pending
- 2020-10-18 WO PCT/CN2020/121725 patent/WO2022077526A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011175053A (en) * | 2010-02-24 | 2011-09-08 | Saiden Chemical Industry Co Ltd | Adhesive composition for electronic paper |
| CN105892192A (en) * | 2016-06-07 | 2016-08-24 | 南京百柔光电科技有限公司 | Flexible electronic paper display device and manufacturing method thereof |
| CN106154675A (en) * | 2016-06-07 | 2016-11-23 | 南京百柔光电科技有限公司 | A kind of flexible electronic paper display device having ink layer and manufacture method thereof |
| CN205827027U (en) * | 2016-06-07 | 2016-12-21 | 南京百柔光电科技有限公司 | A kind of flexible electronic paper display device |
| CN206020895U (en) * | 2016-06-07 | 2017-03-15 | 南京百柔光电科技有限公司 | A kind of flexible electronic paper display device for having ink layer |
| CN206193416U (en) * | 2016-08-31 | 2017-05-24 | 广州奥翼电子科技股份有限公司 | Flexible electron paper part, electronic paper display and flexible electron paper diaphragm |
| CN108148511A (en) * | 2018-01-18 | 2018-06-12 | 苏州凡赛特材料科技有限公司 | A kind of optics adhesive, optics pressure sensitive adhesive, adhesive method, optical film |
| CN108329867A (en) * | 2018-03-13 | 2018-07-27 | 惠州市飞世尔实业有限公司 | Attaching capacitive touch screens hot melt light-cured type optical adhesive and preparation method |
| CN108467699A (en) * | 2018-05-08 | 2018-08-31 | 苏州盛达胶粘制品有限公司 | A kind of Optical adhesive composition and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022077526A1 (en) | 2022-04-21 |
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Application publication date: 20210126 |