公开(公告)号：US20210318483A1

公开(公告)日：2021-10-14

申请号：US17357145

申请日：2021-06-24

Applicant: Japan Display Inc.

Inventor： Koji HIRAMOTO ,  Masafumi OKADA ,  Hiroshi NAKAMOTO ,  Ken KAGABU ,  Ken SUGIYAMA

IPC: F21V8/00

Abstract: According to an aspect, a display device includes: a display panel configured to transmit light; and an illumination device provided on a rear surface side of the display panel. The illumination device includes a plurality of light sources configured to emit light, and a light guiding member that has translucency and is arranged between the light sources on the rear surface side of the display panel. The light guiding member has a plurality of holes each of which opens in a first direction intersecting with a rear surface of the display panel and in each of which a corresponding one of the light sources is disposed, and a light guiding portion surrounding the holes. A rear surface of the light guiding portion is provided with a first inclined surface inclined with respect to the first direction and a plane orthogonal to the first direction.

公开(公告)号：US20220268986A1

公开(公告)日：2022-08-25

申请号：US17742653

申请日：2022-05-12

Applicant: Japan Display Inc.

Inventor： Koji HIRAMOTO ,  Masafumi OKADA ,  Hiroshi NAKAMOTO ,  Ken KAGABU ,  Ken SUGIYAMA

IPC: F21V8/00 ,  G02F1/13357

Abstract: Display device is provided and includes display panel; and illumination device provided on rear surface side of display panel, wherein illumination device includes light sources, and light guiding member arranged at rear surface side of display panel, light guiding member has holes which penetrates the light guiding member, light sources are housed in corresponding hole, rear surface of light guiding member has first inclined surface inclined upwardly from light source housed in one of holes, front surface side of light guiding member has second inclined surface inclined upwardly from light source housed in one of the holes, and angle of first inclined surface to center line of one of holes is greater than angle of second inclined surface to center line.