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.

Date of Patent:
Feb. 17, 2009

Filed:

Jul. 27, 2006
Applicants:

Young-suk Cho, Suwon-si, KR;

Jae-woo Bae, Suwon-si, KR;

Dong-hyun Kang, Suwon-si, KR;

Ui-song DO, Suwon-si, KR;

Kyu-nam Joo, Suwon-si, KR;

Inventors:

Young-Suk Cho, Suwon-si, KR;

Jae-Woo Bae, Suwon-si, KR;

Dong-Hyun Kang, Suwon-si, KR;

Ui-Song Do, Suwon-si, KR;

Kyu-Nam Joo, Suwon-si, KR;

Assignee:

Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electron emission type backlight unit which may include a front substrate and a rear substrate, a gate electrode, an insulating unit disposed on the gate electrode, a cathode disposed on the insulating unit that intersects the gate electrode, a first opening formed in the cathode to expose the gate electrode, a second opening formed in the insulating unit to expose the gate electrode, in which the second opening connects to the first opening, an electron emitting unit disposed on the cathode that exposes the gate electrode, in which the electron emitting unit is formed to trace along a boundary of the cathode that defines the first opening, an auxiliary gate electrode disposed on the gate electrode, in which the auxiliary gate electrode passes through the first opening and the second opening; and an anode and a light emitting unit.


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