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:
Oct. 04, 2022

Filed:

Mar. 07, 2022
Applicant:

Macroblock. Inc., Hsinchu, TW;

Inventors:

Che-Wei Chang, Hsinchu, TW;

Chen-Yuan Kuo, Hsinchu, TW;

Chi-Min Hsieh, Hsinchu, TW;

Assignee:

MACROBLOCK. INC., Hsinchu, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/32 (2013.01); G09G 2300/0833 (2013.01); G09G 2310/0202 (2013.01); G09G 2320/0209 (2013.01); G09G 2330/02 (2013.01);
Abstract

A display system includes an LED array and a driving device. The driving device includes a current driver, a scan selector and a capacitor. The current driver is connected to drive lines of the LED array, and provides a plurality of driving current signals respectively to the drive lines. The scan selector is connected to scan lines of the LED array, and has a first terminal that is configured to receive an input voltage, and a second terminal. The scan selector outputs the input voltage to a selected one of the scan lines, and outputs a clamp voltage provided at the second terminal thereof to the other ones of the scan lines. The capacitor has a first terminal, and a second terminal that is connected to the second terminal of the scan selector.


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