Title:
APPARATUS AND METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2023/287237
Kind Code:
A1
Abstract:
The present invention provides: a prism for manufacturing a diffractive optical element comprising a photoreactive material-attached surface, and a light reflecting surface inclined at a predetermined angle from the photoreactive material-attached surface; an apparatus for manufacturing a diffractive optical element that comprises the prism and a light source positioned opposite the prism with respect to a photoreactive material attached to the photoreactive material-attached and configured to irradiate light toward the photoreactive material; and a method for manufacturing a diffractive optical element.
Inventors:
SEO DAE HAN (KR)
SHIN BU GON (KR)
LIM CHANG YOON (KR)
CHOO SO YOUNG (KR)
SON HYUN JOO (KR)
SHIN BU GON (KR)
LIM CHANG YOON (KR)
CHOO SO YOUNG (KR)
SON HYUN JOO (KR)
Application Number:
PCT/KR2022/010328
Publication Date:
January 19, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G02B5/18; B29D11/00; G02B5/04; G02B5/32
Foreign References:
| JPH11307803A | 1999-11-05 | |||
| KR20190102557A | 2019-09-04 | |||
| JP2007160775A | 2007-06-28 | |||
| US20200183162A1 | 2020-06-11 | |||
| JP2002149044A | 2002-05-22 | |||
| KR20210093488A | 2021-07-28 |
Attorney, Agent or Firm:
PCR INTELLECTUAL PROPERTY LAW FIRM (KR)
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