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) |
|
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F21S 2/00 |
(2013.01) |
|
|
F21S 2/00 |
(2016.01) |
|
|
G02B 6/0035 |
(2013.01) |
|
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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 |