Title:
発光装置
Document Type and Number:
Japanese Patent JP7171972
Kind Code:
B2
Abstract:
The purpose of the present invention is to provide a light-emitting device that is unlikely to generate luminance unevenness. This light-emitting device has: a substrate having a first region and a second region disposed in the surroundings of the fist region; a plurality of light-emitting elements mounted on the substrate in the second region; a sealing material disposed on the substrate so as to cover the plurality of light-emitting elements; a reflective material disposed on an upper side of the sealing material and the opposite side of the first region; and a light guide material that has an upper surface and is disposed in the first region facing a first region-side side surface of the sealing material.
Inventors:
Hiroshi Segawa
Takashi Iino
Toshinobu Katsumata
Sadato Imai
Takashi Iino
Toshinobu Katsumata
Sadato Imai
Application Number:
JP2022532545A
Publication Date:
November 15, 2022
Filing Date:
June 24, 2021
Export Citation:
Assignee:
Citizen Electronics Co., Ltd.
CITIZEN WATCH CO.,LTD.
CITIZEN WATCH CO.,LTD.
International Classes:
H01L33/52; F21S2/00; F21V9/30; H01L33/50; H01L33/60
Domestic Patent References:
| JP2021082655A | ||||
| JP2018120959A | ||||
| JP2019087600A | ||||
| JP2020021640A | ||||
| JP2013178946A | ||||
| JP3261988A | ||||
| JP2010277851A | ||||
| JP2006214888A |
Foreign References:
| WO2016194404A1 |
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Tomohiro Nanzan
Go Miura
Power Endo
Shinji Mihashi
Tomohiro Nanzan
Go Miura
Power Endo