Title:
DIFFRACTION LIGHT GUIDE PLATE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/218784
Kind Code:
A1
Abstract:
The present invention relates to a diffraction light guide plate and a method for manufacturing same, the diffraction light guide plate having a diffraction grating pattern formed in an integral structure without an interface, on one surface of an optical layer, and the plate thereby having excellent thickness evenness and flatness, while having excellent visibility due to low haze and excellent mechanical properties such as pencil hardness and strength.
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Inventors:
KIM JAEYOUNG (KR)
KIM YOUNGSUK (KR)
JUNG SOONHWA (KR)
CHANG YEONGRAE (KR)
KIM YOUNGSUK (KR)
JUNG SOONHWA (KR)
CHANG YEONGRAE (KR)
Application Number:
PCT/KR2020/005194
Publication Date:
October 29, 2020
Filing Date:
April 20, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
F21V8/00; G02B1/04
Foreign References:
| JP2017138597A | 2017-08-10 | |||
| KR101096368B1 | 2011-12-20 | |||
| KR20150022665A | 2015-03-04 | |||
| JP4734473B2 | 2011-07-27 | |||
| JP2006106361A | 2006-04-20 |
Other References:
See also references of EP 3940291A1
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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