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US 2025/0377486 A1Published application
Optical film and display device including same
AssigneeKolon Industries, Inc.
InventorsKyung Wook KWON, Han Sol KIM, In Ho SHIN, Hyo Jun PARK, Jong Won YANG, Jae Heung PARK
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Abstract
An embodiment of the present invention provides an optical film and a display device including same, the optical film comprising: a light-transmissive matrix; and a filler dispersed in the light-transmissive matrix, wherein the filler has a fiber shape, and when A denotes the diameter of the filler and B denotes the length of the filler, B/A ranges from 10 to 500.
Claims21
An optical film comprising:
- a light-transmitting matrix;
- and
- a filler dispersed in the light-transmitting matrix,
- wherein the filler has a fiber-shape and has a ratio of B/A of 10 to 500 wherein A represents a diameter of the filler and B represents a length of the filler.
1 more element
(canceled)
A method of manufacturing an optical film comprising:
- primarily dispersing a filler in a resin solution for forming a polymer matrix to prepare a first mix solution;
- adjusting a pH of the first mix solution to 5 to 7 to improve alignment characteristics of the filler;
- casting the first mixture solution to produce a cast film;
- applying a pressure to the cast film;
- and
- drying the cast film while raising the temperature from 80° C. to 120° C. at a temperature elevation rate of 1° C./1 minute,
- wherein the filler has a fiber-shape and has a ratio of B/A of 10 to 500, wherein A represents a diameter of the filler and B represents a length of the filler.
4 more elements
Dependencies are inferred from the claim text.