Optical: systems and elements – Absorption filter – Filters in optical parallel
Reexamination Certificate
2007-05-15
2007-05-15
Boutsikaris, Leonidas (Department: 2872)
Optical: systems and elements
Absorption filter
Filters in optical parallel
C359S885000, C359S889000, C359S892000, C348S743000, C356S418000, C353S084000
Reexamination Certificate
active
11053885
ABSTRACT:
A coating method for a color filter, including the steps of: coating a first photoresist layer on a substrate; forming at least a aligning pattern and a first color film pattern on the first photoresist layer by exposure and development; coating a first dye on the aligning pattern and the first color film pattern; stripping the first photoresist layer; coating a second photoresist layer on the substrate, wherein the aligning pattern and the first color film pattern are formed on the substrate; aligning position by using the aligning pattern of the substrate; forming a second color film pattern on the second photoresist layer by exposure and development; coating a second dye on the second color film pattern; and stripping the second photoresist layer. The invention also discloses an aligning-assembling method for a color wheel, which includes the color filter.
REFERENCES:
patent: 7009788 (2006-03-01), Hunziker et al.
patent: 2004/0095767 (2004-05-01), Ohmae et al.
Chang Chih-Neng
Chin Ke-Shu
Wang Wen Hu
Yen Jui Hung
Yu An-Hwa
Birch & Stewart Kolasch & Birch, LLP
Boutsikaris Leonidas
Prodisc Technology Inc.
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