Method and device to improve backlight uniformity

Details Method and device to improve backlight uniformity Method and device to improve backlight uniformity

2006-09-26

2006-09-26

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S039000, C385S901000, C362S561000, C362S552000, C362S610000, C362S615000, C349S062000

Reexamination Certificate

active

07113670

ABSTRACT:
A hot spot filter for a light guide is created by taking an image of the light output pattern of an illuminated light guide. The hot spot filter may be a film, a layer, or an additional liquid crystal display dedicated to attenuating bright spots from the light guide. The hot spot filter may be incorporated into the image display by adjusting the grey scale of individual pixels to provide sufficient compensation.

REFERENCES:
patent: 2002/0163529 (2002-11-01), Evanicky
patent: 2004/0263718 (2004-12-01), Tsai
patent: 2005/0030732 (2005-02-01), Kimura et al.
patent: 0 571 173 (1993-11-01), None
patent: 03009306 (1991-01-01), None
patent: 2002008423 (2002-01-01), None

Affiliated with

Also associated with

Rating

Method and device to improve backlight uniformity does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and device to improve backlight uniformity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device to improve backlight uniformity will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3573477