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:
Aug. 24, 2021
Filed:
Apr. 20, 2018
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3688 (2013.01); G09G 2310/0264 (2013.01); G09G 2310/08 (2013.01); G09G 2330/06 (2013.01);
Abstract
A source driverincludes a first latchoutputting a first data signal D() having multiple bits (e.g., eight bits), a second latchoutputting a second data signal D() by latching the first data signal D() in a plurality of steps in units of one or more bits, a DACconverting the second data signal D() into an analog signal A(), and an amplifierreceiving the analog signal A() to output a source signal S(). The second latchlatches the first data signal D(), e.g., one bit at every clock, one bit at every plurality of clocks, a plurality of bits at every clock, or a plurality of bits at every plurality of clocks.