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:
Sep. 21, 2010
Filed:
Apr. 12, 2007
Dong-su Chang, Youngin-si, KR;
Jae-hoon Lee, Yongin-si, KR;
Hyeong-rae Seon, Yongin-si, KR;
Jae-young Lee, Yongin-si, KR;
Dong-Su Chang, Youngin-si, KR;
Jae-Hoon Lee, Yongin-si, KR;
Hyeong-Rae Seon, Yongin-si, KR;
Jae-Young Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A vacuum envelope and an electron emission display having the vacuum envelope are provided. The vacuum envelope includes a first substrate and a second substrate facing the first substrate. A side member is disposed at peripheries of the first substrate and the second substrate. A first spacer is disposed between the first substrate and the second substrate at an active area of the vacuum envelope, and a second spacer is disposed between the first substrate and the second substrate at a non-active area of the vacuum envelope, the non-active area surrounding the active area. A height of the first spacer is greater than a height of the second spacer.