Liquid crystal display device having a noise shielding member

Details Liquid crystal display device having a noise shielding member Liquid crystal display device having a noise shielding member

2005-12-06

2005-12-06

Cariaso, Alan (Department: 2875)

Illumination

Light fiber, rod, or pipe

Illuminating or display apparatus

C362S019000, C362S224000, C362S330000, C362S331000, C349S059000, C349S064000

Reexamination Certificate

active

06971780

ABSTRACT:
Disclosed is an LCD device including a noise shielding member. The noise shielding member is a transparent conductive member including a transparent film on which a transparent conductive layer is coated. The noise shielding member may also be a transparent conductive layer scattered on the optical sheets. The transparent conductive layer comprises ITO or IZO. The noise shielding member is disposed under the diffusing plate or interposed between optical sheets. The noise shielding member may be disposed under the LCD panel. The noise generated from the electric power signal applied to the lamp of the backlight assembly is shielded from the LCD panel. Furthermore, the noise shielding member and optical sheets contacts with the chassis of the LCD device through various ground members so as to be connected to earth potential and be electrically stabilized. Accordingly, display quality of the LCD device is improved.

REFERENCES:
patent: 5195822 (1993-03-01), Takahashi et al.
patent: 5214522 (1993-05-01), Tagawa
patent: 5280371 (1994-01-01), McCartney et al.
patent: 5333073 (1994-07-01), Suzuki
patent: 5432626 (1995-07-01), Sasuga et al.
patent: 5870160 (1999-02-01), Yanagawa et al.
patent: 6654088 (2003-11-01), Morishita et al.

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