Original edition for color display tube shadow mask printing

A color picture tube and shadow mask technology is applied in the field of original plates for color picture tube shadow mask printing, which can solve the problems of neck shrinkage and no transition.
CN1858884AInactive Publication Date: 2006-11-08烟台正海电子网板股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
烟台正海电子网板股份有限公司
Publication Date
2006-11-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention provides a shadow mask image-printing original edition of a color tube, which takes a concave hexagon as the compensation pattern to be spliced on a corner to be compensated of the rectangular shadow-mask aperture pattern to prevent contraction of the corner and the cervix in the process of etching and manufacture shadow-masks of particular hole shapes of square and bone.
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Description

technical field

[0001] The invention relates to an original plate for color picture tube shadow mask printing, in particular to an original plate for color picture tube shadow mask printing with a compensation design at the corner of a hole pattern. Background technique

[0002] The shadow mask is one of the key components of the color picture tube. It is not only the template for the exposure when the color picture tube is painted, but also the color selection electrode when the color picture tube is working.

[0003] When the color picture tube is working, the electron beam emitted from the electron gun passes through the slot hole of the shadow mask and hits the corresponding position of the fluorescent screen, and the phosphor is excited to emit light, and the shape of the phosphor strip is also made by using the shadow mask as a template , so the improvement of the brightness and the uniformity of the color picture tube must start with the improvement of the light trans...

Claims

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