Methods for preparing color filter elements using laser induced

Details Methods for preparing color filter elements using laser induced Methods for preparing color filter elements using laser induced

1994-07-11

1996-05-28

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Liquid crystal process, composition, or product

430200, 430253, 430254, G03F 734

Patent

active

055210350

ABSTRACT:
Color filter elements are prepared by the laser induced thermal transfer of colorant from a color donor to a transparent, non-birefringent substrate such as glass or polymeric film. Transparent pigments which are less prone to migration, more thermally stable, and considerably more lightfast than dyes can be used to prepare the color filter elements of this invention. Color filter elements are useful for elements in color displays such as liquid crystal display devices.

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Color Filters from Dyed Polyimides by William J. Latham and Dan W. Hawley of Brewer Science, Inc., Rolla, Missouri, published in Solid State Technology in May, 1988.
Colour Filters for LCDs by K. Tsuda, published in Displays vol. 14, No. 2, in 1993.

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