Title:
OPTICAL FILM FOR MINI LED OR MICRO LED BACKLIGHT UNIT
Document Type and Number:
WIPO Patent Application WO/2020/153679
Kind Code:
A1
Abstract:
Disclosed is an optical film for transmitting light emitted from a mini light emitting diode (LED) or a micro LED. The optical film may comprise a first base film and a diffusion lens layer disposed on one side of the first base film and including a plurality of triangular pyramid-shaped lenses. A peak angle, which is an angle between two surfaces opposite to each other among four surfaces disposed on each of the triangular pyramid-shaped lenses, may be set on the basis of a divided angle formed by the refraction of the light having passed through the lens.
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Inventors:
KIM JIN HWAN (KR)
CHO SUNG SIK (KR)
KIM YOUNG MAN (KR)
HWANG JIN BAE (KR)
KIM WON IL (KR)
CHO SUNG SIK (KR)
KIM YOUNG MAN (KR)
HWANG JIN BAE (KR)
KIM WON IL (KR)
Application Number:
PCT/KR2020/000905
Publication Date:
July 30, 2020
Filing Date:
January 20, 2020
Export Citation:
Assignee:
LMS CO LTD (KR)
International Classes:
G02B5/02; F21V8/00
Foreign References:
| KR20110075481A | 2011-07-06 | |||
| KR20130076636A | 2013-07-08 | |||
| KR20150038885A | 2015-04-09 | |||
| JP2008304501A | 2008-12-18 | |||
| KR20090064257A | 2009-06-18 |
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