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.:

US 8575832 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Apr. 13, 2011
Applicants:

Tzung-han Yang, Taipei, TW;

Chi-tsung Lo, Taipei, TW;

Inventors:

Tzung-Han Yang, Taipei, TW;

Chi-Tsung Lo, Taipei, TW;

Assignee:

Tatung Company, Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a field emission display, which includes: a base substrate; a plurality of cathode strips, disposed over the base substrate; an insulating layer, disposed over the cathode strips and having a plurality of openings, therewith the openings corresponding to the cathode strips; a plurality of anode strips, disposed over the insulating layer, where the cathode strips and the anode strips are arranged into a matrix and the anode strips individually have at least one impacted surface; and a plurality of subpixel units, individually including: an emissive region having a phosphor layer disposed over the impacted surface; and at least one emissive protrusion, corresponding to the emissive region and disposed in the openings to electrically connect to the cathode strips and protrude out of the openings. Accordingly, the present invention can enhance light utilization efficiency of a field emission display.


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