Optical shaped article for CRT and having particular spectral tr

Details Optical shaped article for CRT and having particular spectral tr Optical shaped article for CRT and having particular spectral tr

1991-07-22

1992-09-01

Henry, Jon W.

Optical: systems and elements

Absorption filter

359722, 358 60, 358253, 252582, G02B 522, C03C 408, H04N 916

Patent

active

051444992

ABSTRACT:
Provided are optical shaped articles for CRT, such as projection lens and filter used for the CRT's of projection TV's, which comprise a transparent synthetic resin containing a red dyestuff or a combination of a green organic pigment and a yellow dyestuff and having specified spectral transmittance characteristics.

REFERENCES:
patent: 4452720 (1984-06-01), Harada et al.
patent: 4542959 (1985-09-01), Kreutzig
patent: 4609945 (1986-09-01), Oguino
patent: 4626071 (1986-12-01), Wada et al.
patent: 4642413 (1987-02-01), Ovshinsky
patent: 4643537 (1987-02-01), Vance
patent: 4935166 (1990-06-01), Lee et al.
patent: 4987483 (1991-01-01), Tsukagoshi
patent: 5055922 (1991-10-01), Wessling
Patent Abstracts of Japan, vol. 6, No. 9 (E-90) [887], Jan. 20, 1982, JP-A-56131277, Oct. 14, 1981, T. Sugimoto, "Television Picture Projector".
Patent Abstracts of Japan, vol. 11, No. 324 (P-628), Oct. 22, 1987, JP-A-62108202, May 19, 1987, T. Hideaki, et al., "Color Filter".

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