Blue color filter element

Details Blue color filter element Blue color filter element

2011-08-16

2011-08-16

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

C313S582000

Reexamination Certificate

active

07999451

ABSTRACT:
A blue color filter having a blue filter layer comprising a first pigment having a maximum absorption at a wavelength within the range of from 550 to 650 nm, and a second pigment having a maximum absorption at a shorter wavelength than the first pigment within the range of from 500 to 600 nm, wherein the blue filter layer has chromaticity coordinates (x, y) in the 1931 CIE XYZ calorimetric system, calculated using CIE Standard Illuminant D65, that satisfy the expressions 0.134≦x≦0.15 and 0.03≦y≦0.06.

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M. J. Helber et al., “Green Color Filter Element”, U.S. Appl. No. 11/595,615, filed Nov. 10, 2006.
M. J. Helber et al., “Red Color Filter Element”, U.S. Appl. No. 11/595,614, filed Nov. 10, 2006.
M. J. Helber et al., “Display with RGB Color Filter Element Sets”, U.S. Appl. No. 11/595,199, filed Nov. 10, 2006.

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