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US 2001/0017511 A1Published application
Shadow mask in cathode ray tube
AssigneeLG Electronics Inc.
InventorYoon San Park
Life of this patent
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Abstract
Shadow mask in a cathode ray tube including an effective surface, and a non-effective surface, wherein the effective surface includes elongated slots each extended in full length of the effective surface without bridges between slots in a vertical direction at left and right outermost sides of the shadow mask or outer side slots adjacent to the outermost side slots, thereby preventing wrinkles from being formed at sides of an effective surface to enhance a color purity of the picture.
Claims2
A shadow mask in a cathode ray tube comprising:
- an effective surface;
- and,
- a non-effective surface,
- wherein the effective surface includes elongated slots each extended in full length of the effective surface without bridges between slots in a vertical direction at left and right outermost sides of the shadow mask or outer side slots adjacent to the outermost side slots.
1 more element
Dependencies are inferred from the claim text.