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1. WO2000044021 - DYE COMBINATION FOR MULTIPLE BANDPASS FILTERS FOR VIDEO DISPLAYS

Publication Number WO/2000/044021
Publication Date 27.07.2000
International Application No. PCT/US2000/001371
International Filing Date 21.01.2000
Chapter 2 Demand Filed 17.08.2000
IPC
H01J 29/89 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/113
86Vessels; Containers; Vacuum locks
89Optical or photographic arrangements structurally combined with the vessel
CPC
G02B 5/223
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
20Filters
22Absorbing filters
223containing organic substances, e.g. dyes, inks or pigments
H01J 29/898
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
86Vessels; Containers; Vacuum locks
89Optical or photographic arrangements structurally combined ; or co-operating; with the vessel
898Spectral filters
Applicants
  • ASAHI GLASS COMPANY, LIMITED [JP/JP]; 2-1-2 Marunouchi Chiyoda-ku Tokyo 100-8305, JP
Inventors
  • TENG, Chia-Chi; US
  • SUH, Suk, Youn; US
  • MALINOSKI, George; US
Agents
  • OBLON, Norman, F. ; Oblon, Spivak, McClelland, Maier & Neustadt, P.C. Fourth Floor, 1755 Jefferson Davis Highway Arlington, VA 22202, US
Priority Data
09/234,31521.01.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DYE COMBINATION FOR MULTIPLE BANDPASS FILTERS FOR VIDEO DISPLAYS
(FR) COMBINAISON DE COLORANTS DESTINES A PLUSIEURS FILTRES PASSE-BANDE DE DISPOSITIFS D'AFFICHAGE VIDEO
Abstract
(EN)
A bandpass filter containing specific combinations of the dyes to yield filters which are adapted to selectively transmit predetermined primary color wavelengths of an electromagnetic spectrum as well as selectively absorb wavelengths other than the predetermined primary color wavelengths. The multiple bandpass filters are employed to improve the images on CRT screens and plasma display panels.
(FR)
Ce filtre passe-bande contient des combinaisons spécifiques de colorants, de manière à produire des filtres conçus pour transmettre de façon sélective des longueurs d'onde de couleurs primaires déterminées d'un spectre électromagnétique, de même que pour absorber de façon sélective des longueurs d'onde autres que celles des couleurs primaires déterminées. On emploie ces filtres passe-bande pour améliorer les images sur des écrans à tube cathodique et sur des panneaux d'affichage au plasma.
Latest bibliographic data on file with the International Bureau