Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jong Eon Choi0
Sang Yoon Park0
Pyeong Soo Jeong0
Date of Patent
September 12, 2006
Patent Application Number
10834011
Date Filed
April 29, 2004
Patent Primary Examiner
Patent abstract
A color cathode ray tube in which beam landing errors caused by non-uniform thermal expansion of a shadow mask are corrected is provided such that color purity is improved. The color cathode ray tube in accordance with the present invention comprises a panel having a phosphor screen formed on an inner surface thereof, a shadow mask having a faceplate portion and a peripheral skirt portion bent back from the faceplate portion and a frame joined to the skirt portion, wherein a height of the skirt portion is less than or equal to 12 mm for substantially the entire skirt portion, and a plurality of holes are perforated at the skirt portion.
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