CN207817243U - Polaroid and flexible display screen - Google Patents
Polaroid and flexible display screen Download PDFInfo
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- CN207817243U CN207817243U CN201721876221.0U CN201721876221U CN207817243U CN 207817243 U CN207817243 U CN 207817243U CN 201721876221 U CN201721876221 U CN 201721876221U CN 207817243 U CN207817243 U CN 207817243U
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Abstract
The utility model is related to a kind of polaroid and flexible display screens.The polaroid includes compensation layer, polarizing layer, first adhesive layer, protective layer and the second adhesive layer, compensation layer is selected from cyclo-olefin copolymer layer, one kind in Polycarbonate Layer and alignment liquid crystal layer, polarizing layer is layered on compensation layer, first adhesive layer, which is fixed, bonds polarizing layer and compensation layer, protective layer includes substrate layer and hardening coat, substrate layer is layered on side of the polarizing layer far from compensation layer, substrate layer is selected from layer of polyurethane, one kind in polyethylene naphthalate layer and polybutylene terephthalate (PBT) layer, hardening coat is layered on side of the hardening coat far from polarizing layer, the hardness of hardening coat is in 6H or more, second adhesive layer fixes bonded substrates layer and polarizing layer.Above-mentioned polaroid can realize the foldability of display screen and advantageously reduce the thickness of display screen.
Description
Technical field
The utility model is related to a kind of polaroid and flexible display screens.
Background technology
OLED (Organic Light Emitting Diode) displays are wide with its high colour gamut, high contrast, wide viewing angle, low-power consumption, working range
The advantages that, it is developing progressively as mainstream display technology.Current OLED display screen is set successively on display unit layer
Set polarizer and cover board, and cover board is usually glass cover-plate, and the glass of generally use constant radius of curvature as cover board with reality
The effect of existing class Flexible Displays, and cannot really realize the foldable of display screen, i.e., it cannot really realize the requirement of Flexible Displays,
Simultaneously also so that display screen has larger thickness.
Utility model content
Based on this, it is necessary to provide a kind of thickness that can be realized the foldable of display screen and advantageously reduce display screen
Polaroid.
In addition, also providing a kind of flexible display screen.
A kind of polaroid, including compensation layer, polarizing layer, the first adhesive layer, protective layer and the second adhesive layer, the compensation layer
One kind in cyclo-olefin copolymer layer, Polycarbonate Layer and alignment liquid crystal layer, the polarizing layer are layered in the compensation layer
On, first adhesive layer, which is fixed, bonds the polarizing layer and the compensation layer, and the protective layer includes that substrate layer and hardening apply
Layer, the substrate layer are layered on side of the polarizing layer far from the compensation layer, and the substrate layer is selected from layer of polyurethane, gathers
One kind in (ethylene naphthalate) layer and polybutylene terephthalate (PBT) layer, the hardening coat are layered in the substrate
On side of the layer far from the polarizing layer, for the hardness of the hardening coat in 6H or more, second adhesive layer, which is fixed, bonds institute
State substrate layer and the polarizing layer.
Above-mentioned polaroid uses cyclic olefine copolymer by the way that compensation layer and protective layer is respectively set in the both sides of polarizing layer
A kind of as compensation layer in layer, Polycarbonate Layer and alignment liquid crystal layer, protective layer includes substrate layer and hardening coat, substrate layer
It is layered on side of the polarizing layer far from compensation layer, substrate layer is selected from layer of polyurethane, polyethylene naphthalate layer and poly- pair
One kind in benzene dicarboxylic acid butanediol ester layer, hardening coat are layered on side of the substrate layer far from polarizing layer, hardening coat
Hardness is in 6H or more so that above-mentioned polaroid can not only play the role of polaroid itself, additionally it is possible to it is used as cover board, with
Replace traditional glass cover-plate, can not only realize the foldable of display screen, realizes Flexible Displays, additionally it is possible to reduce Flexible Displays
The thickness of screen is advantageously implemented the lightening of flexible display screen.
The hardness of the hardening coat is 9H or more in one of the embodiments,.
The thickness of the protective layer is 15 microns~25 microns in one of the embodiments,.
The transmitance of the protective layer is 92% or more in one of the embodiments,.
The thickness of the polarizing layer is 10 microns~20 microns in one of the embodiments,.
The offset of the compensation layer is 100 nanometers~150 nanometers in one of the embodiments,.
First adhesive layer is that UV cures glue-line in one of the embodiments,；And/or second adhesive layer is
UV cures glue-line.
Further include in one of the embodiments, be layered in it is pressure-sensitive on side of the compensation layer far from the polarizing layer
Glue-line.
Further include the stripping being layered on side of the pressure-sensitive adhesive layer far from the compensation layer in one of the embodiments,
Absciss layer.
A kind of flexible display screen, including display unit layer and the cover board being layered on the display unit layer, the cover board
For above-mentioned polaroid, the compensation layer and the display unit layer stackup.
Description of the drawings
Fig. 1 is the structural schematic diagram of the flexible display screen of an embodiment；
Fig. 2 is the structural schematic diagram for the polaroid that flexible display screen shown in FIG. 1 uses.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.Make to the utility model on the contrary, purpose of providing these embodiments is
The understanding of disclosure is more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1, the flexible display screen 10 of an embodiment, especially a kind of OLED (Organic Light Emitting Diode) is flexible
Display screen.The flexible display screen 10 includes display unit layer 100 and cover board (figure is not marked).
Display unit layer 100 is OLED cell layer.
Also referring to Fig. 2, cover board is layered on display unit layer 100, which is polaroid 200, and the polaroid
200 include compensation layer 210, polarizing layer 220, the first adhesive layer 230, protective layer 240 and the second adhesive layer 250.
Compensation layer 210 is used to linearly polarized light being converted into circularly polarized light.Compensation layer 210 is laminated with display unit layer 100.It mends
Repay the one kind of layer 210 in cyclo-olefin copolymer layer, Polycarbonate Layer and alignment liquid crystal layer.Further, compensation layer 210 is
Alignment liquid crystal layer.
Specifically, polaroid 200 further includes the pressure-sensitive adhesive layer being layered on side of the compensation layer 210 far from polarizing layer 220
260, compensation layer 210 can be fixed and is bonded on display unit layer 100 by pressure-sensitive adhesive layer 260.
Further, polaroid 200 further includes the stripping being layered on side of the pressure-sensitive adhesive layer 260 far from compensation layer 210
Layer 270.Peeling layer 270 is used to protect pressure-sensitive adhesive layer 260 when polaroid 200 has not been used, and is needing polarizing layer 220 being arranged
When on display unit layer 100, polaroid 200 is bonded with display unit layer 100 again after peeling layer 270 need to being removed.
Specifically, the offset of compensation layer 210 is 100 nanometers~150 nanometers.
Polarizing layer 220 is layered on compensation layer 210.Polarizing layer 220 plays the role of polarisation.Specifically, polarizing layer 220 is poly-
Vinylalcohol layers.
The thickness of polarizing layer 220 is 10 microns~20 microns.Further, the thickness of polarizing layer 220 is 15 microns.
First adhesive layer 230, which is fixed, bonds polarizing layer 220 and compensation layer 210.Specifically, the first adhesive layer 230 is solid for UV
Change glue-line.The thickness of first adhesive layer 230 is 10 nanometers~10 microns.
Protective layer 240 is layered on side of the polarizing layer 220 far from compensation layer 210.Wherein, protective layer 240 includes
Substrate layer 242 and hardening coat 244.
Substrate layer 242 is layered on side of the polarizing layer 220 far from compensation layer 210, substrate layer 242 be selected from layer of polyurethane,
One kind in polyethylene naphthalate layer and polybutylene terephthalate (PBT) layer.
Hardening coat 244 is layered on side of the substrate layer 242 far from polarizing layer 220, and the hardness of hardening coat 244 is in 6H
More than.Further, the hardness of hardening coat 244 is 9H or more.
Specifically, hardening coat 244 is acrylic resin coating.
Specifically, the thickness of protective layer 240 is 15 microns~25 microns.Further, the thickness of protective layer 240 is 20 micro-
Rice.
Specifically, the transmitance of protective layer 240 is 92% or more.Further, the transmitance of protective layer 240 be 93% with
On.
Second adhesive layer 250 fixes bonded substrates layer 242 and polarizing layer 220.Specifically, the second adhesive layer 250 is solid for UV
Change glue-line.The thickness of second adhesive layer 250 is 10 nanometers~10 microns.
Above-mentioned polaroid 200 at least has the advantage that：
Above-mentioned polaroid 200 is used by the way that compensation layer 210 and protective layer 240 is respectively set in the both sides of polarizing layer 220
A kind of as compensation layer 210 in cyclo-olefin copolymer layer, Polycarbonate Layer and alignment liquid crystal layer, protective layer 240 includes substrate
Layer 242 and hardening coat 244, substrate layer 242 are layered on side of the polarizing layer 220 far from compensation layer 210, and substrate layer 242 selects
One kind from layer of polyurethane, polyethylene naphthalate layer and polybutylene terephthalate (PBT) layer, 244 layers of hardening coat
It is stacked on side of the substrate layer 242 far from polarizing layer 220, the hardness of hardening coat 244 is in 6H or more so that above-mentioned polaroid
200 can not only play the role of polaroid 200 itself, additionally it is possible to be used as cover board, to replace traditional glass cover-plate, no
It can only realize the foldability of display screen, realize Flexible Displays, additionally it is possible to which the thickness for reducing flexible display screen 10 is conducive to reality
Now flexible display screen 10 is lightening.
And since above-mentioned flexible display screen 10 uses above-mentioned polaroid 200, above-mentioned polaroid 200 can make as cover board
With without in addition setting glass cover-plate so that above-mentioned flexible display screen 10 can fold, and have smaller thickness.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of polaroid, which is characterized in that including compensation layer, polarizing layer, the first adhesive layer, protective layer and the second adhesive layer,
The one kind of the compensation layer in cyclo-olefin copolymer layer, Polycarbonate Layer and alignment liquid crystal layer, the polarizing layer are layered in
On the compensation layer, it includes substrate that first adhesive layer, which is fixed and bonds the polarizing layer and the compensation layer, the protective layer,
Layer and hardening coat, the substrate layer are layered on side of the polarizing layer far from the compensation layer, and the substrate layer is selected from
One kind in layer of polyurethane, polyethylene naphthalate layer and polybutylene terephthalate (PBT) layer, the hardening coat layer
It is stacked on side of the substrate layer far from the polarizing layer, the hardness of the hardening coat is in 6H or more, second gluing
Layer is fixed to bond the substrate layer and the polarizing layer.
2. polaroid according to claim 1, which is characterized in that the hardness of the hardening coat is 9H or more.
3. polaroid according to claim 1, which is characterized in that the thickness of the protective layer is 15 microns~25 microns.
4. polaroid according to claim 1, which is characterized in that the transmitance of the protective layer is 92% or more.
5. polaroid according to claim 1, which is characterized in that the thickness of the polarizing layer is 10 microns~20 microns.
6. polaroid according to claim 1, which is characterized in that the offset of the compensation layer is received for 100 nanometers~150
Rice.
7. polaroid according to claim 1, which is characterized in that first adhesive layer is that UV cures glue-line；And/or
Second adhesive layer is that UV cures glue-line.
8. polaroid according to claim 1, which is characterized in that further include being layered in the compensation layer far from the polarisation
Pressure-sensitive adhesive layer on the side of layer.
9. polaroid according to claim 8, which is characterized in that further include being layered in the pressure-sensitive adhesive layer far from the benefit
Repay the peeling layer on the side of layer.
10. a kind of flexible display screen, which is characterized in that including display unit layer and the lid being layered on the display unit layer
Plate, the cover board are polaroid as described in any one of claim 1 to 9, the compensation layer and the display unit layer stackup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876221.0U CN207817243U (en) | 2017-12-27 | 2017-12-27 | Polaroid and flexible display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876221.0U CN207817243U (en) | 2017-12-27 | 2017-12-27 | Polaroid and flexible display screen |
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| Publication Number | Publication Date |
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| CN207817243U true CN207817243U (en) | 2018-09-04 |
Family
ID=63327642
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| CN201721876221.0U Active CN207817243U (en) | 2017-12-27 | 2017-12-27 | Polaroid and flexible display screen |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188594A (en) * | 2018-10-09 | 2019-01-11 | 合肥京东方光电科技有限公司 | A kind of polaroid with printed patterns and preparation method thereof, display device |
| CN109343165A (en) * | 2018-10-31 | 2019-02-15 | 武汉华星光电技术有限公司 | A kind of polarizer and its manufacturing method |
| CN110491291A (en) * | 2019-08-14 | 2019-11-22 | 新纶科技（常州）有限公司 | A kind of flexible display screen cover board |
| CN110531897A (en) * | 2019-09-09 | 2019-12-03 | 业成科技（成都）有限公司 | Cover plate assembly, preparation method, touch panel and display device |
| WO2020151058A1 (en) * | 2019-01-25 | 2020-07-30 | 武汉华星光电半导体显示技术有限公司 | Flexible display and preparation method thereof |
| CN111754860A (en) * | 2019-03-27 | 2020-10-09 | 明基材料股份有限公司 | Optical film |
| US10985344B2 (en) | 2017-10-27 | 2021-04-20 | Applied Materials, Inc. | Flexible cover lens films |
| US11579339B2 (en) | 2018-05-10 | 2023-02-14 | Applied Materials, Inc. | Replaceable cover lens for flexible display |
| US11789300B2 (en) | 2019-06-26 | 2023-10-17 | Applied Materials, Inc. | Flexible multi-layered cover lens stacks for foldable displays |
| US11988810B2 (en) | 2018-08-14 | 2024-05-21 | Applied Materials, Inc. | Multi-layer wet-dry hardcoats for flexible cover lens |
-
2017
- 2017-12-27 CN CN201721876221.0U patent/CN207817243U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10985344B2 (en) | 2017-10-27 | 2021-04-20 | Applied Materials, Inc. | Flexible cover lens films |
| US11758757B2 (en) | 2017-10-27 | 2023-09-12 | Applied Materials, Inc. | Flexible cover lens films |
| US11579339B2 (en) | 2018-05-10 | 2023-02-14 | Applied Materials, Inc. | Replaceable cover lens for flexible display |
| US11988810B2 (en) | 2018-08-14 | 2024-05-21 | Applied Materials, Inc. | Multi-layer wet-dry hardcoats for flexible cover lens |
| CN109188594A (en) * | 2018-10-09 | 2019-01-11 | 合肥京东方光电科技有限公司 | A kind of polaroid with printed patterns and preparation method thereof, display device |
| CN109343165A (en) * | 2018-10-31 | 2019-02-15 | 武汉华星光电技术有限公司 | A kind of polarizer and its manufacturing method |
| WO2020087773A1 (en) * | 2018-10-31 | 2020-05-07 | 武汉华星光电技术有限公司 | Polarizing plate and manufacturing method therefor |
| US11296303B2 (en) | 2019-01-25 | 2022-04-05 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display and method of fabricating same |
| WO2020151058A1 (en) * | 2019-01-25 | 2020-07-30 | 武汉华星光电半导体显示技术有限公司 | Flexible display and preparation method thereof |
| CN111754860A (en) * | 2019-03-27 | 2020-10-09 | 明基材料股份有限公司 | Optical film |
| US11789300B2 (en) | 2019-06-26 | 2023-10-17 | Applied Materials, Inc. | Flexible multi-layered cover lens stacks for foldable displays |
| US11934056B2 (en) | 2019-06-26 | 2024-03-19 | Applied Materials, Inc. | Flexible multi-layered cover lens stacks for foldable displays |
| US11940683B2 (en) | 2019-06-26 | 2024-03-26 | Applied Materials, Inc. | Flexible multi-layered cover lens stacks for foldable displays |
| US11940682B2 (en) | 2019-06-26 | 2024-03-26 | Applied Materials, Inc. | Flexible multi-layered cover lens stacks for foldable displays |
| CN110491291A (en) * | 2019-08-14 | 2019-11-22 | 新纶科技（常州）有限公司 | A kind of flexible display screen cover board |
| CN110531897A (en) * | 2019-09-09 | 2019-12-03 | 业成科技（成都）有限公司 | Cover plate assembly, preparation method, touch panel and display device |
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