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:
Dec. 17, 2019

Filed:

Jun. 25, 2019
Applicant:

Silicon Touch Technology Inc., Hsinchu, TW;

Inventors:

Chi-Yuan Chin, Hsinchu, TW;

Kuei-Jyun Chen, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/32 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0633 (2013.01); G09G 2360/141 (2013.01); G09G 2360/147 (2013.01);
Abstract

The present disclosure provides a dot correction method for a LED display device. The LED display device has a plurality of LED units arranged in an array. The method comprises providing driving currents to the plurality of LED units in columns or rows of the LED display device to make the LED units emit light; obtaining non-uniform brightness information corresponding to the LED units in columns or rows of the LED display device; and adjusting the driving current provided to each LED unit according to the non-uniform brightness information, in order to make the brightness of each LED unit be the same.


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