Title:
PLANAR LIGHT SOURCE
Document Type and Number:
WIPO Patent Application WO/2021/153561
Kind Code:
A1
Abstract:
A planar light source 100 is provided with: a light source 130; a light guide member 120 that has a light source disposition part 121 having disposed therein the light source and a partition demarcation part 123 having included therein a groove 122 surrounding the light source disposition part; and a light-reflective partition member 140 disposed in the partition demarcation part. In a plan view, the transmittance of a first portion 124 farthest from the center of a light source C in the partition demarcation part is higher than the transmittance of a second portion 125 closest from the center of the light source in the partition demarcation part.
Inventors:
EMURA KEIJI (JP)
Application Number:
PCT/JP2021/002658
Publication Date:
August 05, 2021
Filing Date:
January 26, 2021
Export Citation:
Assignee:
NICHIA CORP (JP)
International Classes:
H01L33/60; F21S2/00; G02B6/00; G02F1/13357; H01L33/58
Domestic Patent References:
| WO2017169123A1 | 2017-10-05 |
Foreign References:
| JP2018101521A | 2018-06-28 | |||
| JP2019194985A | 2019-11-07 | |||
| JP2017204593A | 2017-11-16 | |||
| JP2006005215A | 2006-01-05 | |||
| JP2014113828A | 2014-06-26 | |||
| US20150309244A1 | 2015-10-29 |
Attorney, Agent or Firm:
HYUGAJI, Masahiko et al. (JP)
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