发明名称 |
Backlight and display apparatus |
摘要 |
In a backlight (20) including a frame (22) having an opening (22a), and a light guide plate assembly (23) disposed inside the frame (22) and having a light guide plate (24) and a light source (25), the backlight being configured to emit illumination light through the opening (22a), the frame (22) is formed by bending a metal plate and includes a bottom surface portion (22b) facing a rear surface of the light guide plate (24), a peripheral surface portion (22c) standing on a peripheral edge of the bottom surface portion (22b), and an upper surface portion (22d) bent from an upper end of the peripheral surface portion (22c) to form a peripheral edge of the opening, and an outer shape of the light guide plate assembly (23) is smaller than the opening (22a). |
申请公布号 |
US9423555(B2) |
申请公布日期 |
2016.08.23 |
申请号 |
US201314429864 |
申请日期 |
2013.09.25 |
申请人 |
Sharp Kabushiki Kaisha |
发明人 |
Watanabe Hisashi;Yuki Ryuzo;Ishida Takeshi |
分类号 |
F21V8/00;G02F1/1333;G02F1/1335 |
主分类号 |
F21V8/00 |
代理机构 |
Keating & Bennett, LLP |
代理人 |
Keating & Bennett, LLP |
主权项 |
1. A backlight, comprising:
a frame having an opening formed in an upper surface thereof and having a substantially rectangular plan shape; a light guide plate assembly disposed inside the frame and including a light guide plate and a light source fitted to a light incident surface formed in a peripheral surface of the light guide plate; and an optical sheet disposed on the light guide plate; the backlight being configured to guide light incident on the light guide plate from the light source and emit illumination light through the opening, wherein the frame is a metal plate with a bent portion and includes: a bottom surface portion facing a rear surface of the light guide plate; a peripheral surface portion standing on a peripheral edge of the bottom surface portion; and an upper surface portion bent from an upper end of the peripheral surface portion to form a peripheral edge of the opening, and an outer shape of the light guide plate assembly is smaller than the opening; and an upper surface of the optical sheet is disposed below a lower surface of the upper surface portion. |
地址 |
Osaka JP |