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:
Jan. 19, 2005
Deuk-seok Chung, Seongnam-si, KR;
Jun-hee Choi, Suwon-si, KR;
Min-jong Bae, Anyang-si, KR;
Ha-jong Kim, Yongin-si, KR;
Deuk-seok Chung, Seongnam-si, KR;
Jun-hee Choi, Suwon-si, KR;
Min-jong Bae, Anyang-si, KR;
Ha-jong Kim, Yongin-si, KR;
Samsung SDI Co., Ltd., Suwon, KR;
Abstract
A field emission type backlight device with high light efficiency may include a front substrate, a reflective substrate on the front substrate, a rear substrate separated from the front substrate by a predetermined gap, anode electrodes provided with a predetermined gap between them on the rear substrate, a light-emitting layer on the anode electrode, a cathode electrode and a gate electrode spaced apart on the rear substrate between the anode electrodes, and an electron emission source emitting electrons by electric field on the cathode electrode.