Title:
LIGHTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2019160688
Kind Code:
A
Abstract:
To provide a lighting device which can prevent occurrence of luminance unevenness effectively even if heat shrinkage of a reflection sheet occurs under a predetermined high temperature environment and thereby illuminate in a more uniform manner, and to provide a display device including the lighting device.SOLUTION: A lighting device includes: a substrate 20 in which multiple light emitting elements 17 are arranged in parallel to each other; and a reflection sheet 40 provided on the substrate. Multiple openings 30 are formed on the reflection sheet 40. The multiple light emitting elements 17 respectively overlap with the multiple openings 30 in the reflection sheet 40. The reflection sheet 40 extends in a predetermined extension direction which is determined in advance. A projection part 22 protruding to the reflection sheet 40 side is provided at the substrate 20. The projection part 22 is integrally formed with the substrate 20.SELECTED DRAWING: Figure 5
Inventors:
KYOKANE YOZO
WATANABE HISASHI
YASUNAGA HIROTOSHI
WATANABE HISASHI
YASUNAGA HIROTOSHI
Application Number:
JP2018048034A
Publication Date:
September 19, 2019
Filing Date:
March 15, 2018
Export Citation:
Assignee:
SHARP KK
International Classes:
F21S2/00; F21V7/00; F21V17/00; F21V19/00; G02F1/13357
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office