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US 5,703,432 AGranted
Screen structure of a cathode-ray tube
AssigneeSamsung Display Devices Co., Ltd.
InventorBong-kwon Jeong
Life of this patent
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Abstract
A screen structure of a cathode-ray tube includes color filters of three R, G and B colors arranged individually on the inside of the panel, black matrixes between each color filter, a complex phosphor which mixes phosphors of the R, G and B three primary colors in equal proportion on the front side, black matrixes and color filters being spread on the front side, to maintain the most suitable repeatability of images, namely the most suitable color purity and brightness character, demonstrating an easy formation of the screen.
Claims3
A screen structure for a cathode-ray tube comprising:
- red, green, and blue color filters arranged on the screen;
- black matrixes disposed between the color filters;
- and
- a complex phosphor comprising at least two phosphors selected from a group consisting of red, green, and blue phosphors in substantially equal proportion spread on the color filters and the black matrixes.
1 more element
Dependencies are inferred from the claim text.