The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2004
Filed:
Feb. 27, 2003
Yong-Kun Kim, Kumi, KR;
LG. Philips Displays Korea Co., Ltd., Kyeongsangbuk-Do, KR;
Abstract
A cathode ray tube including a shadow mask which is composed of a effective portion having a plurality of holes through which an electron beam passes and a skirt portion extended approximately in a perpendicular direction to the effective portion, wherein a guiding notch is formed in the skirt portion, the guiding notch includes an end portion which is formed to be opened to the end of the skirt portion and a fixing portion to which a guiding means is fixed, and a width of the end portion is wider than the diameter of the fixing portion. Therefore, the doming effect of the shadow mask is reduced and performance of press processing of the shadow mask can be improved.