Colored composition for color filter and display using color...

Details Colored composition for color filter and display using color... Colored composition for color filter and display using color...

2007-12-25

2007-12-25

Dye, Rena (Department: 1772)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With viewing layer of specified composition

C428S001100, C524S514000, C430S007000, C430S109500, C353S084000, C349S080000, C349S001000, C106S410000, C106S495000, C106S497000

Reexamination Certificate

active

10916875

ABSTRACT:
An object of the present invention is to obtain color filters having a high contrast, a high color purity and an improved transmittance for blue color, and a display using the color filters. In the present invention, there is used a colored composition for color filter comprising at least one coloring agent, a base polymer and at least one solvent, said base polymer containing a polyamicacid whose light transmittance decreases by 2% or less in the visible region (wavelength: 400 nm to 800 nm).

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John Wiley & Sons, “Protective Groups in Organic Synthesis”, pp. 223-249, 1981.

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