Title:
照明器具
Document Type and Number:
Japanese Patent JP7029669
Kind Code:
B2
Abstract:
To provide a lighting fixture capable of achieving reduction in thickness while reducing luminance unevenness.SOLUTION: A lighting fixture 2 includes: a first light emitting element 48; a first light guide plate 16 having a first end surface 60 where the light from the first light emitting element 48 enters, and a first side surface 62 from which the light which has entered the first end surface 60 emits; a second light emitting element 50; and a second light guide plate 18 which is the annular second light guide plate 18 arranged so as to surround the first light guide plate 16, and which has a second end surface 74 where the light from the second light emitting element 50 enters and a second side surface 76 from which the light which has entered the second end surface 74 emits. In the case where the first light guide plate 16 and the second light guide plate 18 are viewed in a plan view, the first side surface 62 of the first light guide plate 16 is arranged in a region 63 including the central part in the radial direction of the second light guide plate 18.SELECTED DRAWING: Figure 6
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Inventors:
Atsushi Ishimori
Takashi Arai
Takashi Tsuji
Akihiro Hirano
Takashi Arai
Takashi Tsuji
Akihiro Hirano
Application Number:
JP2018033353A
Publication Date:
March 04, 2022
Filing Date:
February 27, 2018
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F21S2/00; F21S8/04; F21V3/00; F21V19/00
Domestic Patent References:
| JP3187253U | ||||
| JP2014093216A | ||||
| JP2017224501A | ||||
| JP2014067621A | ||||
| JP2015095390A |
Attorney, Agent or Firm:
Hiroi Arai
Teraya Eisaku
Shinichi Michizaka
Teraya Eisaku
Shinichi Michizaka