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US 2022/0317357 A1Published application
Polarizing film, method of manufacturing polarizing film, and display apparatus including polarizing film manufactured using the same
AssigneeSamsung Display Co., Ltd.
InventorsBeonghun Beon, Dukjin Lee, Woosuk Jung, Hyosung Hong
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Abstract
A polarizing film includes: a polarizing layer; a coating layer at one side of the polarizing layer and to absorb wavelengths in an ultraviolet ray region; and a phase retardation layer at another side of the polarizing layer, wherein the coating layer has a thickness of about 15 nm to about 5 μm.
Claims20
A polarizing film comprising:
- a polarizing layer;
- a coating layer at one side of the polarizing layer and to absorb wavelengths in an ultraviolet ray region;
- and
- a phase retardation layer at another side of the polarizing layer,
- wherein the coating layer has a thickness of about 15 nm to about 5 μm.
2 more elements
A method of manufacturing a polarizing film, the method comprising:
- stretching a poly vinyl alcohol-based resin film;
- dyeing the poly vinyl alcohol-based resin film;
- coupling a first protective layer and a second protective layer at one surface and another surface of the poly vinyl alcohol-based resin film, respectively;
- drying the first protective layer and the second protective layer;
- peeling off the first protective layer;
- forming a coating layer for absorbing wavelengths in an ultraviolet ray region at the one surface of the poly vinyl alcohol-based resin film from which the first protective layer is peeled off;
- and
- coupling a phase retardation layer at the other surface of a poly vinyl alcohol-based resin film.
5 more elements
A display apparatus comprising:
- a display panel comprising a display element;
- an input detection layer on the display panel;
- a polarizing film on the input detection layer;
- a window layer on the polarizing film;
- a first adhesive layer between the input detection layer and the polarizing film;
- and
- a second adhesive layer between the polarizing film and the window layer,
- wherein the polarizing film comprises:
- a polarizing layer;
- a coating layer at one side of the polarizing layer and to absorb wavelengths in an ultraviolet ray region;
- and
- a phase retardation layer at another side of the polarizing layer, and
- the coating layer has a thickness of about 15 nm to about 5 μm.
10 more elements
Dependencies are inferred from the claim text.