Title:
ILLUMINATING DEVICE AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/235239
Kind Code:
A1
Abstract:
Provided are: an illuminating device with which it is possible to minimize occurrence of undesirable unevenness of brightness level and to minimize the lowering of contrast ratio; and a display apparatus equipped with said illuminating device. This illuminating device has: a wiring substrate; a plurality of light-emitting elements; a wavelength conversion element; and a protrusion. The wiring substrate has a main surface that is divided into a plurality of segmented regions. Each of the segmented regions is provided with n-number of the light-emitting elements and n is a number greater than 1. The light-emitting elements are driven independently in units of the segmented regions. The protrusion is located between two adjacent segmented regions and protrudes from the wiring substrate toward the wavelength conversion element.
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Inventors:
OTA TAKASHI (JP)
OKADA MASAFUMI (JP)
YAJIMA TOSHIHIRO (JP)
OKADA MASAFUMI (JP)
YAJIMA TOSHIHIRO (JP)
Application Number:
PCT/JP2020/015570
Publication Date:
November 26, 2020
Filing Date:
April 06, 2020
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
F21S2/00; F21V9/30; G02F1/13357; G09F9/30; G09F9/33; H01L33/50; H01L33/60; F21Y105/16; F21Y115/10
Foreign References:
| JP2018056367A | 2018-04-05 | |||
| JP2019040874A | 2019-03-14 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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