Invention Grant
- Patent Title: Planar light source device and liquid crystal display device using the same
- Patent Title (中): 平面光源装置和使用其的液晶显示装置
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Application No.: US12910189Application Date: 2010-10-22
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Publication No.: US08638404B2Publication Date: 2014-01-28
- Inventor: Kenji Arita
- Applicant: Kenji Arita
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-244470 20091023
- Main IPC: G02F1/1333
- IPC: G02F1/1333
Abstract:
A planar light source device including: a light source; an optical sheet that emits light incident from the light source; a rear frame that is disposed to support the optical sheet; and a reflection sheet, which is included inside the rear frame, and which includes the optical sheet, wherein the reflection sheet has a positioning portion including a notch portion and a bent portion, and wherein the optical sheet has a shape fitting to the positioning portion. The shape of the optical sheet may be not point-symmetrical and may be not line-symmetrical viewing from a light emitting direction.
Public/Granted literature
- US20110096267A1 PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME Public/Granted day:2011-04-28
Information query
IPC分类:
