Title:
LIGHT GUIDE MEMBER COMPRISING DIFFRACTION PATTERN
Document Type and Number:
WIPO Patent Application WO/2024/005481
Kind Code:
A1
Abstract:
A light guide member according to an embodiment comprises at least one light guide from among a first light guide, a second light guide and a third light guide, wherein each of the first light guide, the second light guide and the third light guide includes a structure that reacts to light of different wavelength ranges, the first light guide includes a first substrate and a first structure, which is arranged on the first substrate and reacts to light of a first wavelength range, the first wavelength is 380nm to 50nm, the first structure is formed from an aggregate of a plurality of first unit structures, the structure of the first unit structures includes a first protrusion, the first protrusion protrudes in a first direction, and the first protrusion is symmetrical with respect to a second direction by having, as the axis thereof, the first direction line, which passes through the center of the first unit structure.
Inventors:
KIM BUM JIN (KR)
LEE KYU TAE (KR)
LEE KYU TAE (KR)
Application Number:
PCT/KR2023/008852
Publication Date:
January 04, 2024
Filing Date:
June 26, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B27/01; G02B5/18; G02B27/00
Foreign References:
| KR20200045699A | 2020-05-06 | |||
| US20210271089A1 | 2021-09-02 | |||
| US20210356748A1 | 2021-11-18 | |||
| KR20190082303A | 2019-07-09 | |||
| KR20190115404A | 2019-10-11 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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