CN110330904A - A kind of optical cement, display panel and display terminal - Google Patents
A kind of optical cement, display panel and display terminal Download PDFInfo
- Publication number
- CN110330904A CN110330904A CN201910673901.XA CN201910673901A CN110330904A CN 110330904 A CN110330904 A CN 110330904A CN 201910673901 A CN201910673901 A CN 201910673901A CN 110330904 A CN110330904 A CN 110330904A
- Authority
- CN
- China
- Prior art keywords
- optical cement
- peeling force
- display panel
- display
- glue surface
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 60
- 239000004568 cement Substances 0.000 title claims abstract description 58
- 239000003292 glue Substances 0.000 claims abstract description 27
- 238000002834 transmittance Methods 0.000 claims abstract description 14
- 239000003595 mist Substances 0.000 claims description 6
- 229920001621 AMOLED Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005273 aeration Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- G09F9/33—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 semiconductor devices, e.g. diodes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
This application discloses a kind of optical cement, display panel and display terminals, the optical cement has uniform full light transmittance and refractive index, along glue surface direction at least there is two kinds of different peeling force regions and different peeling forces region to distribute alternately, on the one hand once there is bubble during fitting, it can be by way of extruding, gas is rushed into opposite low stripping force region, and is quickly excluded；Still further aspect is convenient for heavy industry, it can be achieved that removing just in case there is fitting dislocation；It can guarantee that the peeling force of glue surface entirety meets fitting demand.The display panel and display terminal use above-mentioned optical cement.
Description
Technical field
This application involves a kind of technical field of display panel, more particularly to a kind of optical cement, display panel and display
Terminal.
Background technique
Important component of the display panel as information industry has played in the development process of information technology important
Television set, notebook are arrived greatly in effect, small to arrive plate, mobile phone etc., all be unable to do without the support of display panel technology.
Initial various display panels generally use non-full attaching process, and due to each component gap of screen have greatly air layer because
This causes screen translucency bad, and specific effect is exactly screen color burnt hair, and the situation of screen into ash is also to happen occasionally.Then
Carry out the development with optical cement technology, display panel gradually uses full coating technique, it is possible to reduce the gap between each layer is realized
Between layers seamless is pasted, and is obtained better light transmittance, is provided better display effect.
Existing optical cement such as OCA, OCR misoperation during full fitting are easy to appear bubble bad phenomenon；Optics
Glue during the preparation process de-aeration fail to remove bubble into bubble that is clean, then occurring in optical cement use process it is anti-
Bullet, the final appearance for influencing display panel；Additionally, due to optical cement peeling force with higher, can be not easy if being bonded dislocation
It removes, even results in and scrapped together together with display screen.
Fitting bubble or bubble rebound phenomena, realization patch are reduced during optical cement is bonded entirely in conclusion how to realize
The reworking for closing dislocation, is current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
For the incomplete place of the above-mentioned prior art, the application's is designed to provide a kind of optical cement, and application should
The display panel of optical cement guarantees the beauty and practicability of final display terminal.
To achieve the above object, the application provides the following technical solutions.
A kind of optical cement, has uniform full light transmittance and a refractive index, full light transmittance >=98%, refractive index >=1.45,
Mist degree≤1%, it is free of birefringence, wherein the optical cement at least has two kinds of different peeling force regions and not along glue surface direction
It distributes alternately with peeling force region.
On the one hand once there is bubble during fitting, can lead to there are at least two different peeling forces regions in optical cement
The mode squeezed is crossed, gas is rushed into opposite low stripping force region, and quickly excluded；Still further aspect, just in case paste
It closes dislocation and is convenient for heavy industry, it can be achieved that removing.Under conditions of meeting optical requirement, the peeling force in relatively low peeling force region can
Think 0 gf/inch.
Preferably, in optical cement different peeling force regions be any threadiness, strip, arbitrary shape face domain or it is above-mentioned extremely
The combination of few two kinds of shapes.
Above-mentioned difference peeling force region can by adjusting optical cement formula, using electron irradiation, specific wavelength light or
Other can change the modes such as crosslink density/active function groups quantity of optical cement to realize.
Preferably, at least there is the relatively low region of a peeling force in optical cement is to run through the optics in glue surface direction
Glue, the bubble that can generate glue surface central area pass near the relatively low region of peeling force and export to glue surface edge.
Preferably, the ratio of the total glue surface area of peeling force highest zone area Zhan is 0.1-99.9% in optical cement, and ratio can
Peeling force according to the size of glue surface product, the calorific value of display screen, optical cement suitably selects.
Preferably, optical cement OCA, OCR or other meet the optical cement of optical property demand.
Preferably, optical cement is no substrate double-sided adhesive, and two sides also includes release film.
This application discloses a kind of display panels, include: display screen；Cover board, the cover board are set to the upper table of display screen
Face；And it is set to the full fitting optical cement between display screen and cover board；The full fitting optical cement is above-mentioned optical cement.
Above-mentioned display screen is LED, OLED, QD-OLED, AMOLED, any one in Super AMOLED.
Disclosed herein as well is a kind of display terminals, including terminal body and the display surface being set on the terminal body
Plate, the display panel are above-mentioned display panel.
The technical solution of the application compared with prior art, has the advantages that at least as follows.
(1) when there is bubble during fitting, gas can be rushed into opposite low stripping force area by way of extruding
Domain, and quickly excluded.
(2) when there is fitting dislocation, glue surface is there are relatively low peeling force region, it can be achieved that removing, convenient for heavy industry.
(3) it can guarantee that the peeling force of glue surface entirety meets fitting demand.
Detailed description of the invention
Fig. 1 is the regional structure schematic diagram of the embodiment optical cement of the application.
Fig. 2 is the regional structure schematic diagram of another embodiment optical cement of the application.
Fig. 3 is the regional structure schematic diagram of another embodiment optical cement of the application.
Fig. 4 is the regional structure schematic diagram of another embodiment optical cement of the application.
Fig. 5 is the display panel structure schematic diagram of the application.
Detailed description of the invention: 10- optical cement, 20- release film, 30- cover board, 40- display screen, 11- have the glue of the first peeling force
Face region, 12- have the glue surface region of the first peeling force, and 13- has the glue surface region of the first peeling force, and 14- has the first stripping
Glue surface region from power.
Specific embodiment
Further the application is specifically described below with reference to specific embodiment, but the application is not by embodiment
Any restriction.
Embodiment 1.
A kind of optical cement (10) as shown in Figure 1, the release film 20 comprising two sides have uniform full light transmittance and refraction
Rate, full light transmittance >=98%, refractive index >=1.45, mist degree≤1% are free of birefringence；Comprising two kinds of peeling force regions (11) and
(14), respectively linear parallelly distribute on alternate with strip.
The wherein peeling force F in (11) peeling force region11< 900 gf/inch, the peeling force F in (14) peeling force region12>
2000 gf/inch；The optical cement, the total glue of peeling force region (14) area Zhan are run through in glue surface direction in peeling force region (11)
The ratio of face area is 80.0 ~ 99.9%.
Embodiment 2.
A kind of optical cement (10) as shown in Figure 2, has uniform full light transmittance and a refractive index, full light transmittance >=98%,
Refractive index >=1.45, mist degree≤1% are free of birefringence；Comprising three kinds of peeling force regions (11), (12) and (14), it is respectively linear and
The alternate parallelly distribute on of strip.
The wherein peeling force F in (11) peeling force region11< 1000 gf/inch, the peeling force 1000 in (12) peeling force region
gf/inch≤F12≤ 2000 gf/inch, the peeling force F in (14) peeling force region14>2000 gf/inch；Peeling force region
(11), (12) run through the optical cement in glue surface direction, and the ratio of the total glue surface area of peeling force region (14) area Zhan is 30 ~
85%。
Embodiment 3.
A kind of optical cement (10) as shown in Figure 3, has uniform full light transmittance and a refractive index, full light transmittance >=98%,
Refractive index >=1.45, mist degree≤1% are free of birefringence；Comprising three kinds of peeling force regions (11), (12) and (14), it is respectively linear and
Alternate parallel/the vertical distribution of strip.
The wherein peeling force F in (11) peeling force region11< 1000 gf/inch, the peeling force 900 in (12) peeling force region
gf/inch≤F12≤ 2200 gf/inch, the peeling force F in (14) peeling force region14> 1600 gf/inch, and variant removing
Power region peeling force size are as follows: F11 <F12< F14；The optical cement is run through in glue surface direction in peeling force region (11), (12),
The ratio of the total glue surface area of peeling force region (14) area Zhan is 20 ~ 50%.
Embodiment 4.
A kind of optical cement (10) as shown in Figure 4, has uniform full light transmittance and a refractive index, full light transmittance >=98%,
Refractive index >=1.45, mist degree≤1% are free of birefringence；Comprising four kinds of peeling force regions (11), (12), (13) and (14), respectively
Linear, rounded face domain and arbitrary shape face domain.
The wherein peeling force F in (11) peeling force region11< 1200 gf/inch, the peeling force 1000 in (12) peeling force region
gf/inch≤F12≤ 2200 gf/inch, the peeling force F in (14) peeling force region14> 1800 gf/inch, and variant removing
Power region peeling force size are as follows: F11 <F12< F13 <F14；The optical cement, stripping are run through in glue surface direction in peeling force region (11)
Ratio from the total glue surface area of power region (14) area Zhan is 30 ~ 60%.
A kind of display panel is carried out between display screen and cover board using optical cement described in one of above-described embodiment 1-4
Full fitting；A kind of display terminal, including terminal body and the display panel that is set on the terminal body, wherein display panel
For display panel above-mentioned.
The foregoing is merely the application preferably embodiments, not thereby limit the protection scope of the application, everything is utilized
The equivalent structure that present specification content is done directly or indirectly is used in other related technical areas, similarly
Including within the scope of protection of this application.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with the common skill in this field
Based on art personnel can be realized, this technology will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of scheme is not present, also not this application claims protection scope within.
Claims (9)
1. a kind of optical cement has uniform full light transmittance and refractive index, full light transmittance >=98%, refractive index >=1.45, mist
Degree≤1%, it is free of birefringence, it is characterised in that: the optical cement at least has two kinds of different peeling forces areas along glue surface direction
Domain and different peeling force region distributes alternately.
2. a kind of optical cement according to claim 1, it is characterised in that: different peeling force regions are to appoint in the optical cement
The combination for threadiness, strip, arbitrary shape face domain or above-mentioned at least two shape of anticipating.
3. a kind of optical cement according to claim 1, it is characterised in that: at least there is a peeling force phase in the optical cement
The optical cement is run through in glue surface direction to lower region.
4. a kind of optical cement according to claim 1, it is characterised in that: peeling force highest zone area in the optical cement
The ratio of the total glue surface area of Zhan is 0.1-99.9%.
5. a kind of optical cement according to claim 1, it is characterised in that: the optical cement is OCA or OCR.
6. a kind of optical cement according to claim 1, it is characterised in that: the optical cement is no substrate double-sided adhesive, two sides
It also include release film.
7. a kind of display panel, includes: display screen；Cover board, the cover board are set to the upper surface of display screen；And it is set to aobvious
Full fitting optical cement between display screen and cover board；It is characterized by: the full fitting optical cement is one of such as claim 1-6 institute
The optical cement stated.
8. a kind of display panel according to claim 7, it is characterised in that: the display screen is LED, OLED, QD-
Any one in OLED, AMOLED, Super AMOLED.
9. a kind of display terminal, including terminal body and the display panel being set on the terminal body, it is characterised in that: institute
Stating display panel is the display panel as described in any one of claim 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673901.XA CN110330904B (en) | 2019-07-25 | 2019-07-25 | Optical cement, display panel and display terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673901.XA CN110330904B (en) | 2019-07-25 | 2019-07-25 | Optical cement, display panel and display terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110330904A true CN110330904A (en) | 2019-10-15 |
| CN110330904B CN110330904B (en) | 2024-02-09 |
Family
ID=68147438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910673901.XA Active CN110330904B (en) | 2019-07-25 | 2019-07-25 | Optical cement, display panel and display terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110330904B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669734A (en) * | 2015-02-10 | 2015-06-03 | 东莞市纳利光学材料有限公司 | Protection membrane with multiple application layers and preparation method of protection membrane |
| CN204605075U (en) * | 2015-02-10 | 2015-09-02 | 东莞市纳利光学材料有限公司 | A kind of have the diaphragm that multilayer uses layer |
| CN205603505U (en) * | 2016-04-15 | 2016-09-28 | 深圳市蓝海芯科技有限公司 | Optics double faced adhesive tape |
| JP2017206594A (en) * | 2016-05-17 | 2017-11-24 | 信越化学工業株式会社 | Silicone composition for forming different release agent for silicone adhesive, and double-sided different releasing paper or film |
| CN109054688A (en) * | 2018-06-26 | 2018-12-21 | 广东能辉新材料科技有限公司 | Not inharmonious thermotropic pressure sensitive glue of heat ageing and preparation method thereof |
-
2019
- 2019-07-25 CN CN201910673901.XA patent/CN110330904B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669734A (en) * | 2015-02-10 | 2015-06-03 | 东莞市纳利光学材料有限公司 | Protection membrane with multiple application layers and preparation method of protection membrane |
| CN204605075U (en) * | 2015-02-10 | 2015-09-02 | 东莞市纳利光学材料有限公司 | A kind of have the diaphragm that multilayer uses layer |
| CN205603505U (en) * | 2016-04-15 | 2016-09-28 | 深圳市蓝海芯科技有限公司 | Optics double faced adhesive tape |
| JP2017206594A (en) * | 2016-05-17 | 2017-11-24 | 信越化学工業株式会社 | Silicone composition for forming different release agent for silicone adhesive, and double-sided different releasing paper or film |
| CN109054688A (en) * | 2018-06-26 | 2018-12-21 | 广东能辉新材料科技有限公司 | Not inharmonious thermotropic pressure sensitive glue of heat ageing and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110330904B (en) | 2024-02-09 |
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