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:
Oct. 30, 2007
Filed:
Oct. 19, 2004
Kwang-sun Ji, Suwon-si, KR;
Eung-joon Chi, Suwon-si, KR;
Sung-hwan Jin, Suwon-si, JP;
Samsung SDI Co., Ltd, Suwon-si, KR;
Abstract
Disclosed is a flat panel display device for preventing a grid electrode from causing alignment error and being distorted due to thermal expansion and contraction. The grid electrode includes a mask portion with apertures through which electrons may pass, and fixtures arranged external to the mask portion with a predetermined margin for allowing thermal expansion and contraction of the mask portion. The fixtures are arranged symmetrical to each other up and down as well as left and right. The fixtures fix the mask portion such that the expansion and the extraction of the mask portion proceed opposite to one another.