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Title:
LIGHT GUIDE PLATE, LIGHT GUIDE PLATE UNIT, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/209106
Kind Code:
A1
Abstract:
A light guide plate (10) comprises: a hologram element (13) that is a first hologram element having two or more diffraction cells; and a hologram element (11 or 12) that is a second hologram element having a single diffraction cell.

Inventors:
SUGIYAMA KEIJI
KASAZUMI KEN'ICHI
CHOKYU YUKIHIRO
KUZUHARA SATOSHI
MINAMI KAZUHIRO
Application Number:
PCT/JP2022/000017
Publication Date:
October 06, 2022
Filing Date:
January 04, 2022
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; G02B5/18; G02B5/32
Domestic Patent References:
WO2020080117A12020-04-23
Foreign References:
JP2019184920A2019-10-24
JPH0572959A1993-03-26
JP2019510995A2019-04-18
JP2019522230A2019-08-08
JPH05201272A1993-08-10
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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