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. 17, 2012
Filed:
Jul. 12, 2007
Yuan-chao Yang, Beijing, CN;
Yang Wei, Beijing, CN;
Liang Liu, Beijing, CN;
Kai-li Jiang, Beijing, CN;
Shou-shan Fan, Beijing, CN;
Yuan-Chao Yang, Beijing, CN;
Yang Wei, Beijing, CN;
Liang Liu, Beijing, CN;
Kai-Li Jiang, Beijing, CN;
Shou-Shan Fan, Beijing, CN;
Tsinghua University, Beijing, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A triode field emission device () includes a sealed container () having a light permeable portion (), a phosphor layer () formed on the light permeable portion in the sealed container, an anode () formed on the phosphor layer, a cathode () arranged in the sealed container and facing the light permeable portion, and a grid () arranged in the sealed container and between the cathode and the anode. The cathode has a carbon nanotube yarn () facing toward the light permeable portion configured for serving as an emission source for electrons.