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:
Sep. 15, 2020
Filed:
May. 28, 2019
Applicant:
Db Hitek Co., Ltd, Seoul, KR;
Inventors:
Jung Heo, Seoul, KR;
Seung Jin Yeo, Gyeonggi-do, KR;
Jae Hong Ko, Seoul, KR;
Hoon Sang Ryu, Gyeonggi-do, KR;
Woo Hyoung Seo, Seoul, KR;
Assignee:
DB HiTek Co., Ltd., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 2310/0289 (2013.01); G09G 2310/0291 (2013.01); G09G 2330/028 (2013.01);
Abstract
A display driver integrated circuit (DDI) includes a level shifter unit configured to convert a level of a control signal to a voltage in a range that equal to or greater than a first voltage and is equal to or less than a second voltage and output a switch control signal, and a voltage generator including a capacitor and a switch that is turned on or off based on or in response to the switch control signal and configured to generate at least one third voltage.