Color filter for liquid crystal displays

Details Color filter for liquid crystal displays Color filter for liquid crystal displays

1997-06-06

1999-04-27

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

4302881, G02F 11335, G03F 7028

Patent

active

058979816

ABSTRACT:
A color filter for liquid crystal displays, has a red colored layer wherein a first red pigment where a 40%-transmittance wavelength at a short-wave end of a transmitted spectrum (short-wave 40%-transmittance wavelength) is in a range of 550 to 600 NM and a second red pigment where the short-wave 40%-transmittance wavelength is within 40 NM from the range of the first red pigment are mixed so that transmittance in a wavelength region of 450 to 500 NM is substantially 0%.

REFERENCES:
patent: 4934791 (1990-06-01), Shimizu et al.
patent: 5821016 (1998-10-01), Satoh et al.

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