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LT - LIGHT GUIDE PLATE, SURFACE LIGHT EMITTING APPARATUS, AND METHOD FOR MANUFACTURING LIGHT GUIDE PLATE
EN - LIGHT GUIDE PLATE, SURFACE LIGHT EMITTING APPARATUS, AND METHOD FOR MANUFACTURING LIGHT GUIDE PLATE

Legal status

Patent not validated

Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL. G02B 6/00 (2006.01)
F21S 2/00 (2013.01)
F21S 2/00 (2016.01)
G02B 6/0035 (2013.01)
G02F 1/13357 (2006.01)
G02B 6/0051 (2013.01)
F21Y 115/10 (2016.01)
F21V 8/00 (2006.01)
European patent
(11) Number of the document 3546994
(13) Kind of document T
(96) European patent application number 17877687.8
Date of filing the European patent application 2017-11-20
(97) Date of publication of the European application 2019-10-02
(45) Date of publication and mention of the grant of the patent 2022-08-17
(46) Date of publication of the claims translation
PCT application
(86) Number PCT/JP2017/041623
Date 2017-11-20
PCT application publication
(87) Number WO 2018/105365
Date 2018-06-14
Priority applications
(30) Number Date Country code
2016237706 2016-12-07 JP
Inventors
(72)
MORI, Naoya , JP
IZUTANI, Kensuke , JP
Grantee
(73) Central Glass Co., Ltd. , 5253, Oaza Okiube, Ube-shi, Yamaguchi 755-0001, JP
Title
(54) LIGHT GUIDE PLATE, SURFACE LIGHT EMITTING APPARATUS, AND METHOD FOR MANUFACTURING LIGHT GUIDE PLATE
  LIGHT GUIDE PLATE, SURFACE LIGHT EMITTING APPARATUS, AND METHOD FOR MANUFACTURING LIGHT GUIDE PLATE