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Patent Searching and Data


Title:
TRANSMISSION-TYPE HOLOGRAPHIC OPTICAL ELEMENT, METHOD FOR MANUFACTURING SAME, AND SCREEN DEVICE COMPRISING TRANSMISSION-TYPE HOLOGRAPHIC OPTICAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/208840
Kind Code:
A1
Abstract:
The present invention proposes: a holographic optical element which forms a pattern according to a transmission-type hologram record method on the basis of a reference beam and an object beam performing multiple divergences; a method for manufacturing same; and a screen device comprising the holographic optical element. A holographic optical element according to the present invention comprises: a base film; and a pattern formed on the base film, the pattern being formed by using a transmission-type hologram record method on the basis of a reference beam and an object beam performing multiple divergences.

Inventors:
KIM, Eun Soo (105-2502, 49 Seokgye-ro,,Nowon-gu, Seoul, 01901, KR)
HWANG, Yong Seok (601-108, 64 Hyeonjung-ro, Ilsanseo-gu,,Goyang-si, Gyeonggi-do, 10240, KR)
Application Number:
KR2018/004699
Publication Date:
October 31, 2019
Filing Date:
April 23, 2018
Export Citation:
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Assignee:
KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION (20 Gwangun-ro, Nowon-gu, Seoul, 01897, KR)
International Classes:
G03H1/04; G02B5/32; G02B27/22; G03H1/22
Attorney, Agent or Firm:
WOOIN PATENT & LAW FIRM (2Fl, 157 Yeoksam-ro,Gangnam-gu, Seoul, 06246, KR)
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