Antireflection film and display apparatus comprising the same

Details Antireflection film and display apparatus comprising the same Antireflection film and display apparatus comprising the same

1993-11-05

1995-08-22

Brinich, Stephen

Electric lamp and discharge devices

Cathode ray tube

Envelope

313112, 359590, H01J 2988

Patent

active

054443296

ABSTRACT:
The present invention is directed to an antireflection film having a multilayer structure in which an antireflection multilayer film including at least two thin films is formed on a substrate, wherein at least one of the thin films contains a coloring agent. The antireflection multi-layer film absorbs light of an entire range of wavelength of 400-700 nm, and the reflectance of the antireflection multi-layer film with regard to the wavelength, light of which this antireflection multi-layer film can absorb, is smaller than the reflectance of the substrate. The antireflection film can be applied to a cathode ray tube or a light-transmitting display substrate of a display apparatus such as a liquid crystal display apparatus for the purpose of effectively avoiding reflection of external light.

REFERENCES:
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patent: 5216542 (1993-06-01), Szczyrbowski et al.
patent: 5243255 (1993-09-01), Iwasaki
patent: 5288558 (1994-02-01), Nothe
patent: 5291097 (1994-03-01), Kawamura et al.
Mouchart et al, "Thin Film Optical Coatings. 7: Two-Layer Coatings Close to Antireflection", Applied Optics, vol. 18, No. 8, Apr. 15, 1979, pp. 1226-1232.
Azzam et al, "Antireflecting and Polarizing Transparent Bilayer Coatings on Absorbing Substrates at Oblique Incidence", Applied Optics, vol. 24, No. 4, Feb. 15, 1985, pp. 519-525.
Murphy, "High-Contrast Optical Bandpass Filter", IBM Technical Disclosure Bulletin, vol. 16, No. 3, Aug. 1973, pp. 745-746.

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