CN108102576A - For LCD, the graphene foam tape of OLED display screen - Google Patents
For LCD, the graphene foam tape of OLED display screen Download PDFInfo
- Publication number
- CN108102576A CN108102576A CN201810128583.4A CN201810128583A CN108102576A CN 108102576 A CN108102576 A CN 108102576A CN 201810128583 A CN201810128583 A CN 201810128583A CN 108102576 A CN108102576 A CN 108102576A
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- China
- Prior art keywords
- heat
- heat conduction
- lcd
- graphene
- display screen
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- 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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Classifications
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- 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
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
-
- 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
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- 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
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/005—Presence of polyester in the release coating
Landscapes
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
For LCD, the graphene foam tape of OLED display screen, it is related to electronical display touch screen technology field, it includes adhesive tape body, the adhesive tape body, which includes substrate layer described in substrate layer and heat conduction heat loss through radiation glue-line, includes heat conduction foamed cotton layer and the graphene nanocomposite material coating coated in the upper and lower surface of heat conduction foamed cotton layer, the heat conduction foamed cotton layer is the modification heat conduction foam of the first conduction powder foaming together with foam, and first conduction powder is carbon nanotubes, the one or more in copper oxide, aluminium oxide, copper nitride, aluminium nitride, graphene.Thermal conductivity of the present invention is good, can possess good heat dissipation effect, and can effectively prevent and occur water ripples in electronic touch screen, can also save manufacturing procedure, reduces loss, there is extraordinary application prospect.
Description
Technical field
It is especially a kind of for LCD, the graphene of OLED display screen the present invention relates to electronical display touch screen technology field
Foam tape.
Background technology
It is typically to be brought and electronic device by pasting foam rubber on the backlight module of LCD, OLED electronic touch screen
Fuselage connects, and this adhesive tape is usually that foam and graphite flake are applied in combination（LCD display）Or by foam, graphite flake and
Copper foil is applied in combination（OLED display screen）, since the thermal conductivity factor of graphite flake is 1600W/M.K, the thermal conductivity factor of copper foil is
380W/M.K, and the thermal conductivity factor of common foam is only 0.03W/M.K so that it is higher that heat can not quickly introduce thermal conductivity factor
Graphite flake on, largely affect heat dissipation, cause electronic touch screen in use temperature raise.In addition, by
In foam itself compression ratio for 40% or so, and graphite, copper foil etc. are incompressible, so not only need multiple tracks at the time of molding
Process can also cause whole compression ratio to be pulled down to 25% or so when in use, can not be preferably so as to influence buffering effect
It prevents from generating the situation of water ripples due to touching pressing on screen.
The content of the invention
The purpose of the present invention is to solve the above-mentioned problems of the prior art, provide one kind and are shown for LCD, OLED
The graphene foam tape of screen, thermal conductivity is good, can possess good heat dissipation effect, and can effectively prevent in electronic touch screen
Existing water ripples.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：It is a kind of for LCD, OLED display screen
Graphene foam tape, including adhesive tape body, the adhesive tape body includes base material described in substrate layer and heat conduction heat loss through radiation glue-line
Layer includes heat conduction foamed cotton layer and the graphene nanocomposite material coating coated in the upper and lower surface of heat conduction foamed cotton layer, described to lead
Hot foamed cotton layer is the modification heat conduction foam of the first conduction powder foaming together with foam, and first conduction powder is received for carbon
One or more in mitron, copper oxide, aluminium oxide, copper nitride, aluminium nitride, graphene.
Preferably, the heat conduction heat loss through radiation glue-line is the glue-line comprising acrylate glue.
It is highly preferred that the second heat conduction and heat radiation powder is distributed in the acrylate glue, the second heat conduction and heat radiation powder is
One or more in copper oxide, aluminium oxide, copper nitride, aluminium nitride, graphene, carbon nanotubes.
Wherein, the acrylate glue solid content in the heat conduction heat loss through radiation glue-line be 100%, and acrylate glue therein with
The volume ratio of second heat conduction and heat radiation powder is 1:1.
Preferably, the density of the heat conduction foamed cotton layer is 50-400kg/m3。
It is highly preferred that the thickness of the heat conduction foamed cotton layer is 0.05-0.4mm.
It is highly preferred that the foam in the heat conduction foamed cotton layer selects PE or PVC roll material to be made.
Further, it is additionally provided with one layer of release film on the heat conduction heat loss through radiation glue-line.
Wherein, the release film is PET release films.
Preferably, the overall thickness of the adhesive tape body is 0.1-0.5mm.
The beneficial effects of the present invention are：Adhesive tape body is covered on to LCD, OLED electronic touch screen of mobile phone or computer,
Its heat conduction heat loss through radiation glue-line is Nian Jie with the backlight module of LCD, OLED electronic touch screen, due to the heat conduction foamed cotton layer in substrate layer
Not only the first conduction powder is also mixed at the time of molding, in pole on upper and lower surface coated with graphene nanocomposite material coating
Heat conductivility is enhanced in big degree so that entire adhesive tape body possesses good thermal conductivity, in using for mobile phone or computer
Cheng Zhong, heat can rapidly and uniformly scatter on adhesive tape body, and uniaxially be transferred to the lower section of screen, so as to effective
Reduction is thermally conducted on touch-screen, and the heat-conducting effect of this mode is notable, can improve user experience；In addition, the adhesive tape of the present invention
The reduced overall rate of body can be more than 50%, and the design space for making itself is well-to-do, and the effect of anti-water ripples also can be carried significantly
It is high；Moreover, since compression ratio is higher, without separately composite graphite or copper foil structure, processing gets up also to be more convenient, a mould
It cuts i.e. plastic, saves manufacturing procedure, reduce loss, there is extraordinary application prospect.
Description of the drawings
Fig. 1 is the overall structure diagram in the embodiment of the present invention.
Reference numeral is：
1 --- substrate layer 1a --- heat conduction foamed cotton layer
1b --- graphene nanocomposite material coating
2 --- heat conduction heat loss through radiation glue-line 3 --- release films.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is put, be for only for ease of the description present invention and simplifies description rather than instruction or implies that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be the connection inside mechanical connection or electrical connection or two elements, it can
To be to be connected directly, can also be indirectly connected by intermediary, it for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of the term.
As shown in Figure 1, for LCD, the graphene foam tape of OLED display screen, including adhesive tape body, adhesive tape body bag
Include substrate layer 1 and heat conduction heat loss through radiation glue-line 2, substrate layer 1 include heat conduction foamed cotton layer 1a and coated on heat conduction foamed cotton layer 1a,
The graphene nanocomposite material coating 1b of lower surface, heat conduction foamed cotton layer 1a are the first conduction powder foaming together with foam
Modification heat conduction foam, the first conduction powder is carbon nanotubes, copper oxide, aluminium oxide, copper nitride, aluminium nitride, in graphene
It is one or more.
What the above embodiment provided is used for LCD, the graphene foam tape of OLED display screen when in use by adhesive tape sheet
Show consideration for LCD, OLED electronic touch screen for being overlying on mobile phone or computer, heat conduction heat loss through radiation glue-line 2 and LCD, OLED electronic touch
The backlight module bonding of screen, since the heat conduction foamed cotton layer 1a in substrate layer 1 is not only answered on upper and lower surface coated with graphene nano
Condensation material coating 1b, is also mixed with the first conduction powder at the time of molding, largely enhances soaking, heat conductivility, makes
The horizontal thermal conductivity factor for obtaining entire substrate layer 1 is more than 350W/M.K, and vertical thermal conductivity is more than 1W/M.K, is touched being adhered to electronics
After the backlight module for touching screen, the graphene nanocomposite material coating 1b on upper strata（That is heat conduction foamed cotton layer 1a and heat conduction heat loss through radiation
Graphene nanocomposite material coating 1b between glue-line 2）It can play the role of preferably absorbing outer heat, the graphene of lower floor
Nano composite material coating 1b then plays an important role of radiated infrared heat, soaking good heat dissipation effect（Since the graphene of lower floor is received
Nano composite material coating 1b is attached with fuselage alloy, convenient for rapid cooling）So that entire adhesive tape body possesses good heat conduction
Property, during the use of mobile phone or computer, heat can rapidly and uniformly scatter on adhesive tape body, and uniaxially to screen
The lower section of curtain is transferred, and is thermally conducted to so as to effectively reduce on touch-screen, the heat-conducting effect of this mode is notable, can improve user
Experience；In addition, the reduced overall rate of the adhesive tape body of the present invention can be more than 50%, the design space for making itself is well-to-do, waterproof
The effect of ripple can also significantly improve；Moreover, since compression ratio is higher, without separately composite graphite or copper foil structure, add
Work, which is got up, to be also more convenient, and is once die cut i.e. plastic, is saved manufacturing procedure, is reduced loss, before having extraordinary application
Scape.
Preferably, the graphene nanocomposite material coating 1b in said structure is coated in the form of 100% solid content
In heat conduction foamed cotton layer 1a.In addition, for the crystal structure of graphite, heat transmission is concentrated mainly on X-Y axis and Z axis both direction
On, in the present embodiment, the X-Y axis thermal conductivity factor of graphene nano coating 1b is more than 450W/M.K, and Z axis thermal conductivity factor is
More than 1.5W/M.K.
More preferably, heat conduction heat loss through radiation glue-line 2 is the glue-line comprising acrylate glue, and is distributed in acrylate glue
Have the second heat conduction and heat radiation powder, the second heat conduction and heat radiation powder for carbon nanotubes, copper oxide, aluminium oxide, copper nitride, aluminium nitride,
One or more in graphene can be such that heat conduction heat loss through radiation glue-line 2 has well after adding in above-mentioned second heat conduction and heat radiation powder
Thermal conductivity.Wherein, the acrylate glue solid content in heat conduction heat loss through radiation glue-line 2 is 100%, and acrylate glue and the second heat conduction
The volume ratio of heat dissipation powder is 1:1.
As it is further preferred that the density of heat conduction foamed cotton layer 1a is 50-400kg/m3；The thickness of heat conduction foamed cotton layer 1a is
0.05-0.4mm；Foam in heat conduction foamed cotton layer 1a is made of PE or PVC or PU coiled materials.
Further, one layer of release film 3 is additionally provided on heat conduction heat loss through radiation glue-line 2, and the release film 3 is PET release films,
With preferably adsorptivity and stickiness.
In the present embodiment, as a preferred solution, the overall thickness of adhesive tape body is 0.1-0.5mm.
Above-described embodiment is the preferable implementation of the present invention, and in addition, the present invention can be realized with other manner,
Do not depart from the technical program design on the premise of it is any it is obvious replacement within protection scope of the present invention.
In order to which those of ordinary skill in the art is allowed more easily to understand improvements of the present invention compared with the prior art, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, those of ordinary skill in the art should be aware that these elements omitted also may make up present disclosure.
Claims (10)
1. for LCD, the graphene foam tape of OLED display screen, including adhesive tape body, the adhesive tape body includes substrate layer
（1）With heat conduction heat loss through radiation glue-line（2）, it is characterised in that：The substrate layer（1）Including heat conduction foamed cotton layer（1a）And it is coated in
Heat conduction foamed cotton layer（1a）The graphene nanocomposite material coating on upper and lower surface（1b）, the heat conduction foamed cotton layer（1a）For first
The modification heat conduction foam of conduction powder foaming together with foam, first conduction powder is carbon nanotubes, copper oxide, oxygen
Change the one or more in aluminium, copper nitride, aluminium nitride, graphene.
It is 2. according to claim 1 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described to lead
Heat-radiation heat-dissipating glue-line（2）For the glue-line comprising acrylate glue.
It is 3. according to claim 2 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：Described third
The second heat conduction and heat radiation powder is distributed in olefin(e) acid glue, the second heat conduction and heat radiation powder is copper oxide, aluminium oxide, copper nitride, nitrogen
Change the one or more in aluminium, graphene, carbon nanotubes.
It is 4. according to claim 3 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described to lead
Heat-radiation heat-dissipating glue-line（2）In acrylate glue solid content for 100%, and acrylate glue therein and the second heat conduction and heat radiation powder
Volume ratio be 1:1.
It is 5. according to claim 1 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described to lead
Hot foamed cotton layer（1a）Density be 50-400kg/m3。
It is 6. according to claim 5 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described to lead
Hot foamed cotton layer（1a）Thickness be 0.05-0.4mm.
It is 7. according to claim 6 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described to lead
Hot foamed cotton layer（1a）In foam PE or PVC roll material is selected to be made.
It is 8. according to claim 1 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described to lead
Heat-radiation heat-dissipating glue-line（2）On be additionally provided with one layer of release film（3）.
It is 9. according to claim 8 for LCD, the graphene foam tape of OLED display screen, it is characterised in that：It is described from
Type film（3）For PET release films.
10. it is used for LCD, the graphene foam tape of OLED display screen, spy according to any one in claim 1-9
Sign is：The overall thickness of the adhesive tape body is 0.1-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128583.4A CN108102576A (en) | 2018-02-08 | 2018-02-08 | For LCD, the graphene foam tape of OLED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128583.4A CN108102576A (en) | 2018-02-08 | 2018-02-08 | For LCD, the graphene foam tape of OLED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108102576A true CN108102576A (en) | 2018-06-01 |
Family
ID=62220819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810128583.4A Pending CN108102576A (en) | 2018-02-08 | 2018-02-08 | For LCD, the graphene foam tape of OLED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108102576A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093207A1 (en) * | 2018-11-05 | 2020-05-14 | 深圳市柔宇科技有限公司 | Display screen, display device and electronic device |
| CN111234721A (en) * | 2020-01-17 | 2020-06-05 | 新纶科技（常州）有限公司 | Heat dissipation buffer film |
| CN111484811A (en) * | 2020-05-20 | 2020-08-04 | 武汉天马微电子有限公司 | Foam, manufacturing method of display device and display device |
| US11882679B2 (en) | 2019-08-16 | 2024-01-23 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Flexible display screen and flexible display apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205052052U (en) * | 2015-10-23 | 2016-02-24 | 中南林业科技大学 | Soaking bubble is cotton based on graphite alkene |
| CN207987093U (en) * | 2018-02-08 | 2018-10-19 | 衡山县佳诚新材料有限公司 | For LCD, the graphene foam tape of OLED display screen |
-
2018
- 2018-02-08 CN CN201810128583.4A patent/CN108102576A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205052052U (en) * | 2015-10-23 | 2016-02-24 | 中南林业科技大学 | Soaking bubble is cotton based on graphite alkene |
| CN207987093U (en) * | 2018-02-08 | 2018-10-19 | 衡山县佳诚新材料有限公司 | For LCD, the graphene foam tape of OLED display screen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093207A1 (en) * | 2018-11-05 | 2020-05-14 | 深圳市柔宇科技有限公司 | Display screen, display device and electronic device |
| US11882679B2 (en) | 2019-08-16 | 2024-01-23 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Flexible display screen and flexible display apparatus |
| CN111234721A (en) * | 2020-01-17 | 2020-06-05 | 新纶科技（常州）有限公司 | Heat dissipation buffer film |
| CN111484811A (en) * | 2020-05-20 | 2020-08-04 | 武汉天马微电子有限公司 | Foam, manufacturing method of display device and display device |
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