Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/220431
Kind Code:
A1
Abstract:
A light-emitting device (2) radiates light in a first direction (D1), and radiates light in a second direction (D2) opposite from the first direction. The light-emitting device is provided with a first light-emitting layer (14) that emits light of a first color, and a second light-emitting layer (16) that emits light of a second color different from the first color, said layers overlapping as viewed from the first direction. The light-emitting device reduces the difference in color tone between the light radiated in the first direction and the light radiated in the second direction.
Inventors:
KITAZAWA TAZUKO
Application Number:
PCT/JP2020/018179
Publication Date:
November 04, 2021
Filing Date:
April 28, 2020
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H05B33/12; H01L51/50; H05B33/14
Foreign References:
| KR20180078848A | 2018-07-10 | |||
| US20190189697A1 | 2019-06-20 | |||
| JP2018156721A | 2018-10-04 | |||
| JP2018092932A | 2018-06-14 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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