Backlight device and liquid crystal display device

Details Backlight device and liquid crystal display device Backlight device and liquid crystal display device

2006-11-27

2010-06-29

Truong, Bao Q (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S230000, C362S249050

Reexamination Certificate

active

07744233

ABSTRACT:
In order to control light emission of light emitting diodes, current dividing circuits are used to supply currents of a substantially fixed level to all lines. Light emitting diodes are arranged in groups of a predetermined number of LEDs in series, and sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are laid out on the same straight line so as to form a single row. Substrates with these formed thereon are arranged adjacent to each other in the direction of the rows, so that sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are arranged alternately. With this configuration, it is possible to provide a backlight device with a plurality of LED arrays arranged thereon, which can uniformly illuminate the entire screen with light from the LED arrays.

REFERENCES:
patent: 5726535 (1998-03-01), Yan
patent: 6521879 (2003-02-01), Rand et al.
patent: 7324174 (2008-01-01), Hafuka et al.
patent: 7423705 (2008-09-01), Len-Li et al.
patent: 7661835 (2010-02-01), Chou et al.
patent: 2004/0155596 (2004-08-01), Ushijima et al.
patent: 2007/0081321 (2007-04-01), Ahn et al.
patent: 1517591 (2005-03-01), None
patent: 1521235 (2005-04-01), None
patent: 2003-330424 (2003-11-01), None
patent: 2004-139876 (2004-05-01), None
patent: 2004-335443 (2004-11-01), None
patent: 2005-100800 (2005-04-01), None

Affiliated with

Also associated with

Rating

Backlight device and liquid crystal display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Backlight device and liquid crystal display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Backlight device and liquid crystal display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4248932