Backlighting in liquid crystal flat panel display

Details Backlighting in liquid crystal flat panel display Backlighting in liquid crystal flat panel display

2008-01-29

2008-01-29

Patel, Nitin I. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000

Reexamination Certificate

active

07324080

ABSTRACT:
Techniques for providing backlight techniques in liquid crystal flat panel displays are disclosed. According to one aspect of the techniques, the source to backlight a liquid crystal panel includes a plurality of light emitting diodes that are in at least three colors. The exact colors of the light emitting diodes are chosen to cover or exceed a full spectrum of color reproductions in accordance with a television standard (e.g., NTSC or PAL) in addition to a balanced white. In one embodiment, a set of control signals is configured to ensure that the light emitting diodes provide desired and consistent backlighting to a LCD panel. One of the control signals adaptive to a scene or content of a scene causes the backlighting to change accordingly or drastically to create artistic effects required or desired in the scene.

REFERENCES:
patent: 7052152 (2006-05-01), Harbers et al.
patent: 2002/0113192 (2002-08-01), Antila
patent: 2005/0259439 (2005-11-01), Cull et al.
patent: 2006/0007097 (2006-01-01), Ichikawa
patent: 2006/0038511 (2006-02-01), Tagawa
patent: 2006/0049781 (2006-03-01), Lee et al.

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