CN109031499A - A kind of ultra-thin OCA and production method with polarization effect - Google Patents
A kind of ultra-thin OCA and production method with polarization effect Download PDFInfo
- Publication number
- CN109031499A CN109031499A CN201811095698.4A CN201811095698A CN109031499A CN 109031499 A CN109031499 A CN 109031499A CN 201811095698 A CN201811095698 A CN 201811095698A CN 109031499 A CN109031499 A CN 109031499A
- Authority
- CN
- China
- Prior art keywords
- oca
- tac
- glue
- pva
- layer
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 230000010287 polarization Effects 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 34
- 239000003292 glue Substances 0.000 claims description 21
- 239000011265 semifinished product Substances 0.000 claims description 6
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 claims description 4
- 238000004043 dyeing Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 229940006461 iodide ion Drugs 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 24
- 229920002451 polyvinyl alcohol Polymers 0.000 description 24
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000003678 scratch resistant effect Effects 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006304 triacetate fiber Polymers 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
The present invention discloses a kind of ultra-thin OCA with polarization effect, comprising: OCA layers, the upper protective film layer set on the upper surface OCA layers of, the polarizing layer set on the lower surface OCA layers of, the TAC layer set on the polarizing layer lower surface, the glue-line set on the TAC layer lower surface and the lower protective film layer set on institute's glue-line lower surface.The present invention can reduce the cost of raw material, and make product more frivolous, while requirement of the production method to production line is simple, it is not necessary that primary producing line is excessively transformed, can reduce production cost and human cost.
Description
Technical field
The present invention relates to display module technical fields, more particularly to a kind of ultra-thin OCA and production method with polarization effect.
Background technique
Traditional OCA (optical cement), which is used in display module, bonds TP mould group and TFT mould group or OLED, due to traditional
OCA, could be with applied to having to first to stick polaroid in full jointing product production process in TFT mould group without polarizing function
Cover board is bonded entirely with OCA, and is bonded that production procedure is more, and yield is lower entirely, and production cost is relatively high, and practical biography
General thickness is partially thick after the OCA that unites is bonded.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
It is a kind of ultra-thin with the OCA of polarization effect and production side the purpose of the present invention is overcoming the deficiencies of the prior art and provide
Method.
Technical scheme is as follows: the present invention provides a kind of ultra-thin OCA with polarization effect, comprising: OCA (optics
Transparent adhesive tape) layer, the upper protective film layer set on the upper surface OCA layers of, the polarizing layer set on the lower surface OCA layers of, be set to institute
State TAC (triacetate fiber film) layer of polarizing layer lower surface, set on the glue-line of the TAC layer lower surface and under institute's glue-line
The lower protective film layer on surface.
Further, the material of the polarizing layer is PVA (polyvinyl alcohol).
Further, the material of the glue-line is PSA (pressure sensitive adhesive).
Further, described OCA layers with a thickness of 125 microns, the polarizing layer with a thickness of 18 microns, the TAC layer
With a thickness of 20 microns, the glue-line with a thickness of 10 microns, the thickness of the upper protective film layer and lower protective film layer is 50
Micron.
The present invention also provides the production methods of ultra-thin OCA with polarization effect a kind of, comprising the following steps: provides a TAC
Coiled material, carries out debatching to the TAC coiled material, carries out basification to the obtained surface TAC；
Step 2 provides a PVA coiled material, carries out debatching to the PVA coiled material, uses iodine after carrying out water immersion to obtained PVA
Ionic dyeing, then the PVA is stretched in one direction；
Step 3 provides an OCA coiled material, carries out debatching to the OCA coiled material, carries out moving back one layer of OCA guarantor to obtained OCA
Cuticula；
Step 4, described TAC, OCA and PVA are carried out three layers synchronize conform to form semi-finished product, wherein the OCA unprotect
The one side of film is conformed to the PVA, and the PVA one side conforms to another side with the OCA and conforms to the TAC；
Step 5 provides a protection film coiled material and glue, debatching is carried out to the protection film coiled material, to obtained protective film
Wherein carry out micro- viscous glue application on one side；
Step 6, the protective film is had glue in the semi-finished product TAC while conform to.
Further, in the step 4, the PVA and TAC are conformed to by glue.
Further, the glue is PSA glue.
Using the above scheme, the present invention can reduce the cost of raw material, and make product more frivolous, while production method pair
The requirement of production line is simple, it is not necessary that primary producing line is excessively transformed, can reduce production cost and human cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is flow chart of the invention.
Fig. 3 is prior art OCA structural schematic diagram.
Fig. 4 is prior art polaroid structure schematic diagram.
Structural schematic diagram after Fig. 5 is bonded for OCA in prior art display module with polaroid.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Referring to Fig. 1, the present invention provides a kind of ultra-thin OCA with polarization effect, comprising: OCA layer 2 is set to described OCA layers
The upper protective film layer 1 of 2 upper surfaces, the polarizing layer 3 set on 2 lower surface of OCA layer, the TAC set on 3 lower surface of polarizing layer
Layer 4, the lower protective film layer 6 set on the glue-line 5 of 4 lower surface of TAC layer and set on 5 lower surface of institute's glue-line.The polarizing layer 3
Material is PVA, and the material of the glue-line 5 is PSA.The OCA layer 2 with a thickness of 125 microns, the polarizing layer 3 with a thickness of
18 microns, the TAC layer 4 with a thickness of 20 microns, the glue-line 5 with a thickness of 10 microns, the upper protective film layer 1 and lower guarantor
The thickness of cuticular layer 6 is 50 microns.The TAC layer 4 can play protection and fixed function to the polarizing layer 3.Material is PVA's
The polarizing layer 3 mainly plays a part of that the light of fixed-direction is selected to pass through.The OCA layer 2 mainly plays adherency and buffer function.
Referring to Fig. 2, the present invention also provides the production methods of ultra-thin OCA with polarization effect a kind of, comprising the following steps:
Step 1 provides a TAC coiled material, carries out debatching to the TAC coiled material, basification is carried out to the obtained surface TAC, so that institute
TAC is stated with more hydrophily, to conform to process below, is adhered to using glue tighter.
Step 2 provides a PVA coiled material, carries out debatching to the PVA coiled material, uses iodine after carrying out water immersion to obtained PVA
Ionic dyeing can make iodide ion penetrate into the PVA, then stretch in one direction to the PVA, so that PVA molecule
There is directionality with iodide ion chain above is attached to, so that the iodide ion for being attached to the surface PVA is arranged in one direction, can absorb
The light beam electric field component in direction arranged in parallel.
Step 3 provides an OCA coiled material, carries out debatching to the OCA coiled material, carries out moving back one layer of OCA guarantor to obtained OCA
Cuticula facilitates subsequent processing to conform to.
Step 4, described TAC, OCA and PVA are carried out three layers synchronize conform to form semi-finished product, wherein the OCA unprotect
The one side of film is conformed to the PVA, and PVA one side conforms to another side with the OCA and conforms to the TAC, the PVA with
TAC is conformed to by glue.
Step 5 provides a protection film coiled material and glue, debatching is carried out to the protection film coiled material, to obtained protective film
Wherein carry out micro- viscous glue application on one side, the glue is PSA glue.
Step 6, the protective film is had glue in the semi-finished product TAC while conform to, process is quiet
Set glue after a period of time and be transferred to the upper surface TAC, it is subsequent tear protective film after protective film without glue.
Fig. 3 to Fig. 5 is please referred to, existing OCA includes the upper protective film layer 11 stacked gradually, OCA layer 12 and lower protective film
Layer 13, existing polaroid includes protective film layer 14 on the polaroid stacked gradually, HC scratch-resistant layer 15, upper TAC layer 16, PVA layers
17, protective film layer 20 under lower TAC layer 18, PSA glue-line 19 and polaroid.
Please refer to Fig. 1 to Fig. 5, this programme technology compared with prior art, on the basis of prior art polaroid
Upper TAC layers and HC scratch-resistant layer directly with OCA layer instead of the prior art can be reduced the HC scratch-resistant layer in the prior art and upper
TAC layer can be reduced the cost of raw material, and enable to product more frivolous.
In conclusion the present invention can reduce the cost of raw material, and make product more frivolous, while production method is to production
The requirement of line is simple, it is not necessary that primary producing line is excessively transformed, can reduce production cost and human cost.
The above is merely preferred embodiments of the present invention, be not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (7)
1. a kind of ultra-thin OCA with polarization effect characterized by comprising OCA layers, the upper guarantor set on the upper surface OCA layers of
Cuticular layer, the TAC layer set on the polarizing layer lower surface, is set to the TAC layer at the polarizing layer set on the lower surface OCA layers of
The glue-line of lower surface and lower protective film layer set on institute's glue-line lower surface.
2. the ultra-thin OCA with polarization effect according to claim 1, which is characterized in that the material of the polarizing layer is
PVA。
3. the ultra-thin OCA with polarization effect according to claim 1, which is characterized in that the material of the glue-line is PSA.
4. the ultra-thin OCA with polarization effect according to claim 1, which is characterized in that described OCA layers with a thickness of 125
Micron, the polarizing layer with a thickness of 18 microns, the TAC layer with a thickness of 20 microns, the glue-line with a thickness of 10 microns,
The thickness of the upper protective film layer and lower protective film layer is 50 microns.
5. a kind of production method of the ultra-thin OCA with polarization effect, which comprises the following steps: step 1 provides one
TAC coiled material, carries out debatching to the TAC coiled material, carries out basification to the obtained surface TAC；
Step 2 provides a PVA coiled material, carries out debatching to the PVA coiled material, uses iodide ion after carrying out water immersion to obtained PVA
Dyeing, then the PVA is stretched in one direction；
Step 3 provides an OCA coiled material, carries out debatching to the OCA coiled material, carries out moving back one layer of OCA protective film to obtained OCA；
Step 4, by the TAC coiled material, OCA and PVA carry out three layers synchronize conform to form semi-finished product, wherein the OCA unprotect
The one side of film is conformed to the PVA, and the PVA one side conforms to another side with the OCA coiled material and conforms to the TAC coiled material；
Step 5 provides a protection film coiled material and glue, debatching is carried out to the protection film coiled material, to its of obtained protective film
Middle one side carries out micro- viscous glue application；
Step 6, the protective film is had glue in the semi-finished product TAC while conform to.
6. the production method of the ultra-thin OCA with polarization effect according to claim 5, which is characterized in that the step 4
In, the PVA and TAC are conformed to by glue.
7. the production method of the ultra-thin OCA with polarization effect according to claim 5, which is characterized in that the step 5
In, the glue is PSA glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095698.4A CN109031499A (en) | 2018-09-19 | 2018-09-19 | A kind of ultra-thin OCA and production method with polarization effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095698.4A CN109031499A (en) | 2018-09-19 | 2018-09-19 | A kind of ultra-thin OCA and production method with polarization effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109031499A true CN109031499A (en) | 2018-12-18 |
Family
ID=64617482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811095698.4A Pending CN109031499A (en) | 2018-09-19 | 2018-09-19 | A kind of ultra-thin OCA and production method with polarization effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109031499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244398A (en) * | 2019-07-12 | 2019-09-17 | 深圳市三利谱光电科技股份有限公司 | The polaroid and preparation method thereof of single side setting TAC layer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049294A (en) * | 2014-06-09 | 2014-09-17 | 上海和辉光电有限公司 | Polaroid structure, display panel and manufacturing method of polaroid |
| CN204154930U (en) * | 2014-08-29 | 2015-02-11 | 江西合力泰科技有限公司 | For the OCA polaroid of display device |
| CN105005108A (en) * | 2015-07-09 | 2015-10-28 | 深圳市三利谱光电科技股份有限公司 | Display device, full-bonded polaroid and production method thereof |
| CN106199812A (en) * | 2016-08-30 | 2016-12-07 | 苏州汇卓网络科技有限公司 | A kind of thinning functional polarizing sheet and its preparation method and application |
| CN206638846U (en) * | 2016-10-31 | 2017-11-14 | 宇龙计算机通信科技(深圳)有限公司 | Touch control display apparatus and electronic equipment |
| CN208860985U (en) * | 2018-09-19 | 2019-05-14 | 深圳同兴达科技股份有限公司 | A kind of ultra-thin OCA with polarization effect |
-
2018
- 2018-09-19 CN CN201811095698.4A patent/CN109031499A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049294A (en) * | 2014-06-09 | 2014-09-17 | 上海和辉光电有限公司 | Polaroid structure, display panel and manufacturing method of polaroid |
| CN204154930U (en) * | 2014-08-29 | 2015-02-11 | 江西合力泰科技有限公司 | For the OCA polaroid of display device |
| CN105005108A (en) * | 2015-07-09 | 2015-10-28 | 深圳市三利谱光电科技股份有限公司 | Display device, full-bonded polaroid and production method thereof |
| CN106199812A (en) * | 2016-08-30 | 2016-12-07 | 苏州汇卓网络科技有限公司 | A kind of thinning functional polarizing sheet and its preparation method and application |
| CN206638846U (en) * | 2016-10-31 | 2017-11-14 | 宇龙计算机通信科技(深圳)有限公司 | Touch control display apparatus and electronic equipment |
| CN208860985U (en) * | 2018-09-19 | 2019-05-14 | 深圳同兴达科技股份有限公司 | A kind of ultra-thin OCA with polarization effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244398A (en) * | 2019-07-12 | 2019-09-17 | 深圳市三利谱光电科技股份有限公司 | The polaroid and preparation method thereof of single side setting TAC layer |
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