Illumination – Display backlight – Lcd backlight
Reexamination Certificate
2009-07-31
2011-11-01
May, Robert (Department: 2885)
Illumination
Display backlight
Lcd backlight
C362S612000, C362S634000, C362S249020
Reexamination Certificate
active
08047669
ABSTRACT:
A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm. In addition, the joining clip further comprises a light diffusion means.
REFERENCES:
patent: 5999685 (1999-12-01), Goto et al.
patent: 6416201 (2002-07-01), Strand et al.
patent: 6746129 (2004-06-01), Ohkawa
patent: 7125152 (2006-10-01), Lin et al.
patent: 7324174 (2008-01-01), Hafuka et al.
patent: 7604365 (2009-10-01), Chang
Bourdelais Robert P.
Brewer John C.
Gates Leonard S.
Hong Qi
Rankin, Jr. Charles M.
May Robert
Oh Edwin
SKC Haas Display Films Co., Ltd.
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