Backlight device and liquid crystal display

Illumination – Edge lighted panel – Light source

Reexamination Certificate

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Details

C362S612000, C362S631000, C362S633000

Reexamination Certificate

active

10540874

ABSTRACT:
A back-light device and a liquid crystal display in which light from light sources is guided to a light-guiding plate efficiently and heat of the light sources is dissipated efficiently. The back-light device of the liquid crystal panel has a front frame and a rear frame. There are provided four optical sheets, a light-guiding plate, a flexible PCB, two light sources, and a reflecting sheet between the front frame and the rear frame. The flexible PCB has a PCB part and two erected parts. A resistor and a thermistor as electronic parts and two light sources are installed on the PCB part in the vicinity of the erected parts. A light-radiating surface of the light source is pressed to an incident surface of the light-guiding plate by the erected part.

REFERENCES:
patent: 5400160 (1995-03-01), Takahashi et al.
patent: 6195882 (2001-03-01), Tsukamoto et al.
patent: 6417897 (2002-07-01), Hashimoto
patent: 6697130 (2004-02-01), Weindorf et al.
patent: 6862053 (2005-03-01), Lee et al.
patent: 11-153785 (1999-06-01), None
patent: 2001-184928 (2001-07-01), None
patent: 2002-75038 (2002-03-01), None
patent: 2002-216527 (2002-08-01), None
patent: 2002-350850 (2002-12-01), None
patent: 2003-90993 (2003-03-01), None

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