Lighting device for display device and display using the same

Details Lighting device for display device and display using the same Lighting device for display device and display using the same

2006-04-03

2010-06-08

Bruce, David V (Department: 2875)

Illumination

Display backlight

C362S311060

Reexamination Certificate

active

07731376

ABSTRACT:
A backlight device includes a light guide plate opposed to fluorescent tubes, a diffusion sheet stacked on the light guide plate, and lens sheets further stacked on the diffusion sheet. A tip end of a corner portion of the diffusion sheet has a shape defined by removing a portion of the sheet along a straight line spanning between two sides constituting the corner portion. In first of the lens sheets, a tip end portion of a corner portion formed by two sides has a shape defined by removing a portion of the sheet in a larger amount than in the diffusion sheet by a circular arc which projects outward. In a second of the lens sheets, a tip end of a corner portion formed by two sides has a shape defined by removing a larger amount than in the first of the lens sheets along a straight line.

REFERENCES:
patent: 7616269 (2009-11-01), Takata
patent: 2010/0008069 (2010-01-01), Takata
patent: 2002-022910 (2002-01-01), None
patent: 2004-125964 (2004-04-01), None
Yoshiki Takata; “Illumination Apparatus for Display Device, Display Device Using the Same, and Television Receiver Apparatus Comprising the Display Device,” U.S. Appl. No. 12/014,118; filed Jan. 15, 2008.
Official communication issued in the International Application No. PCT/JP2006/307064, mailed on Jun. 27, 2006.

Affiliated with

Also associated with

Rating

Lighting device for display device and display using the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4247234