Invention Grant
- Patent Title: Liquid crystal display device, backlight source and optical film
- Patent Title (中): 液晶显示装置,背光源和光学膜
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Application No.: US12416257Application Date: 2009-04-01
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Publication No.: US08253885B2Publication Date: 2012-08-28
- Inventor: Tsuyoshi Maeda , Toyokazu Ogasawara
- Applicant: Tsuyoshi Maeda , Toyokazu Ogasawara
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JPP2008-098611 20080404
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; A47F3/00 ; F21V7/04 ; H03H9/00

Abstract:
A liquid crystal display device according to the present invention includes a liquid crystal panel, a backlight source provided on a rear surface of the liquid crystal panel, for irradiating the liquid crystal panel with white light, and an optical film provided between the liquid crystal panel and the backlight source, in which the optical film includes a base material which passes the white light irradiated from the backlight source, a colored layer partially provided on one surface of the base material at the side of the liquid crystal, panel, and a reflective layer provided on another surface of the base material at the side of the backlight source opposite to the colored layer, for reflecting the white light.
Public/Granted literature
- US20090251636A1 Liquid Crystal Display Device, Backlight Source and Optical Film Public/Granted day:2009-10-08
Information query
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