Illumination – Plural light sources – With modifier
Reexamination Certificate
2008-01-15
2010-12-07
Lee, Y My Quach (Department: 2885)
Illumination
Plural light sources
With modifier
C362S242000, C362S607000, C362S097300
Reexamination Certificate
active
07845826
ABSTRACT:
The present invention provides a multilayered integrated backlight illumination assembly for an LCD display comprising a substrate for providing structural and functional support to the assembly, a bottom reflector provided on the substrate and a plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. The invention further provides a plurality of primary light films 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 plurality of secondary light films 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 and a binding means for binding the primary and secondary light films together. Further, the invention provides a top diffuser for diffusing the uniform plane of light and wherein the plurality of light films has a thickness between 0.1 mm to 1.0 mm and a bending stiffness between 50 to 1200 millinewtons.
REFERENCES:
patent: 5499112 (1996-03-01), Kawai et al.
patent: 7360938 (2008-04-01), Mizuyoshi
patent: 2005/0180124 (2005-08-01), Adachi et al.
patent: 2006/0002146 (2006-01-01), Baba
patent: 2008/0055931 (2008-03-01), Verstraete et al.
M. Zeiler et al.; “44.5L: Late-News Paper: Optimization Parameters for LED Backlighting Solutions”; 2006 SID International Symposium: digest of technical papers/SID-Society for Information Display; pp. 1524-1527.
Aylward Peter T.
Bourdelais Robert P.
Brewer John C.
Hong Qi
Lee Y My Quach
Oh Edwin
SKC Haas Display Films Co., Ltd.
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