Title:
LIGHTING DEVICE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/065255
Kind Code:
A1
Abstract:
A lighting device having a first light guide region sandwiched between partition walls extending along a first direction, a first light-emitting element for emitting light of a first wavelength band, and a transflective film covering the first light guide region, wherein the first light guide region includes a first protrusion and a reflective film covering the first protrusion and side surfaces of the partition walls, the first light guide region has a first portion having a constant first width along a second direction intersecting with the first direction and a second portion adjoining the first portion and having a first width which decreases with distance away from the first portion, and the first light-emitting element is disposed in the second portion.
Inventors:
ITOU OSAMU (JP)
Application Number:
PCT/JP2020/032143
Publication Date:
April 08, 2021
Filing Date:
August 26, 2020
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
F21S2/00; G02F1/1335; G02F1/13357; F21Y105/00; F21Y113/13; F21Y115/10
Domestic Patent References:
| WO2010016501A1 | 2010-02-11 | |||
| WO2009072296A1 | 2009-06-11 |
Foreign References:
| JP2010231214A | 2010-10-14 | |||
| JPH02111922A | 1990-04-24 | |||
| JP2016051512A | 2016-04-11 | |||
| JP2009110794A | 2009-05-21 |
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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