US 11,747,549 B2
Illumination device and liquid crystal display device
Kazunari Nishita, Tokyo (JP); Ken Sugiyama, Tokyo (JP); Tetsuro Ochi, Tokyo (JP); and Toshiyuki Tsubota, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Apr. 27, 2022, as Appl. No. 17/730,260.
Application 17/730,260 is a continuation of application No. 17/148,007, filed on Jan. 13, 2021, granted, now 11,346,997.
Application 17/148,007 is a continuation of application No. 16/783,365, filed on Feb. 6, 2020, granted, now 10,921,509, issued on Feb. 16, 2021.
Application 16/783,365 is a continuation of application No. 16/523,003, filed on Jul. 26, 2019, granted, now 10,620,366, issued on Apr. 14, 2020.
Application 16/523,003 is a continuation of application No. 15/494,807, filed on Apr. 24, 2017, granted, now 10,408,994, issued on Sep. 10, 2019.
Claims priority of application No. 2016-089787 (JP), filed on Apr. 27, 2016.
Prior Publication US 2022/0252782 A1, Aug. 11, 2022
Int. Cl. G02F 1/1335 (2006.01); F21V 8/00 (2006.01); G02F 1/1333 (2006.01)
CPC G02B 6/0088 (2013.01) [G02F 1/133308 (2013.01); G02F 1/133512 (2013.01); G02F 1/133528 (2013.01); G02F 1/133314 (2021.01); G02F 2202/28 (2013.01); G02F 2203/01 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A liquid crystal display device comprising:
a display panel including:
a first substrate,
a second substrate opposed to the first substrate,
a liquid crystal layer held between the first substrate and the second substrate, and
a polarizer adhered to the first substrate; and
an illumination device which illuminates the display panel,
wherein
the illumination device comprises:
light sources;
a light guide plate including an end;
a sheet member disposed between the light guide plate and the polarizer;
a frame disposed along the end and including a first inner surface which is opposed to the light guide plate, a second inner surface which is opposed to the sheet member, and a first upper surface which is opposed to the display panel;
a bezel which accommodates the light guide plate, the sheet member, and the frame and includes a second upper surface which is opposed to the display panel, and
an adhesion member disposed between the polarizer and the first upper surface, also between the polarizer and the second upper surface,
an end of the sheet member is closer to the frame than the end of the light guide plate,
the adhesion member extends from the first upper surface toward the sheet member and does not overlap the light guide plate in a plan view, and
an end of the adhesion member is disposed between the first inner surface and the second inner surface in a plan view.