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Publication date
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Publication of BE680099ApublicationCriticalpatent/BE680099A/xx
H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
H01J31/208—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using variable penetration depth of the electron beam in the luminescent layer, e.g. penetrons
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
H01J29/18—Luminescent screens
H01J29/26—Luminescent screens with superimposed luminescent layers
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
H01J29/18—Luminescent screens
H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television