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:
Apr. 28, 2009
Filed:
May. 25, 2005
Cheol-hyeon Chang, Suwon-si, KR;
Sang-hyuck Ahn, Suwon-si, KR;
Su-bong Hong, Suwon-si, KR;
Sang-jo Lee, Suwon-si, KR;
Cheol-Hyeon Chang, Suwon-si, KR;
Sang-Hyuck Ahn, Suwon-si, KR;
Su-Bong Hong, Suwon-si, KR;
Sang-Jo Lee, Suwon-si, KR;
Samsung SDI Co., Ltd., Suwon-si, KR;
Abstract
An electron emission device includes a first electrode having a data signal applied thereto, a second electrode having a scan signal applied thereto, an electron emitter for emitting electrons in response to a voltage difference between the data signal and the scan signal, and a third electrode having a focusing signal for focusing the electrons emitted from the electron emitter. In the electron emission device, an off-voltage of the scan signal is set lower than an on-voltage of the data signal.