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:
Mar. 13, 2007
Filed:
Sep. 12, 2003
Susumu Sasaki, Chiba, JP;
Yoshiyuki Kaneko, Hachioji, JP;
Toshifumi Ozaki, Mobara, JP;
Shigemi Hirasawa, Chiba, JP;
Yuuichi Kijima, Chosei, JP;
Tomoki Nakamura, Chiba, JP;
Susumu Sasaki, Chiba, JP;
Yoshiyuki Kaneko, Hachioji, JP;
Toshifumi Ozaki, Mobara, JP;
Shigemi Hirasawa, Chiba, JP;
Yuuichi Kijima, Chosei, JP;
Tomoki Nakamura, Chiba, JP;
Hitachi Displays, Ltd., Mobara, JP;
Abstract
A field emission type display device has a structure in which each pixel is constituted of a combination of a plurality of small apertures and a plurality of small electron sources. Due to such a constitution, it is possible to reduce undesired impact of electrons on control electrodes and the enhancement of the heat resistance of the carbon nanotubes of electron sources, whereby it is possible to obtain a display device of high quality and long lifetime, while exhibiting a high-performance electron emission characteristic. Boron (B) is adhered to carbon nanotubes, which constitute electron sources, through the small apertures of the control electrodes; and, hence, the alignment of the small apertures and the small electron sources is ensured and the area of the electron source is set to be equal to or less than the area of the aperture.