US 11,900,893 B2
Driver circuit
Sheng-Feng Huang, Miao-Li County (TW); Akihiro Iwatsu, Miao-Li County (TW); Cheng-Min Wu, Miao-Li County (TW); and Kuanfeng Lee, Miao-Li County (TW)
Assigned to INNOLUX CORPORATION, Miao-Li County (TW)
Filed by InnoLux Corporation, Miao-Li County (TW)
Filed on Jun. 22, 2021, as Appl. No. 17/354,032.
Application 17/354,032 is a continuation of application No. 16/512,733, filed on Jul. 16, 2019, granted, now 11,069,313.
Application 16/512,733 is a continuation of application No. 15/365,990, filed on Dec. 1, 2016, granted, now 10,395,612, issued on Aug. 27, 2019.
Claims priority of provisional application 62/262,430, filed on Dec. 3, 2015.
Claims priority of application No. 105119030 (TW), filed on Jun. 17, 2016.
Prior Publication US 2021/0312879 A1, Oct. 7, 2021
Int. Cl. G09G 3/36 (2006.01); G02F 1/1368 (2006.01); G02F 1/1362 (2006.01)
CPC G09G 3/3648 (2013.01) [G02F 1/1368 (2013.01); G02F 1/136286 (2013.01); G09G 2310/08 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A driver circuit, comprising:
an output circuit comprising a pull-up transistor; and
a control circuit coupled to the output circuit, the control circuit comprising a first transistor;
wherein the pull-up transistor has a first control node, and the pull-up transistor is coupled to a first clock signal and a gate line;
wherein the output circuit further comprises an auxiliary transistor coupled to the pull-up transistor and a low voltage, and the auxiliary transistor has a second control node;
wherein the control circuit further comprises a second transistor, a third transistor, a fourth transistor, and a fifth transistor;
wherein a third end of the auxiliary transistor is directly connected to the second transistor, the third transistor, and the fourth transistor;
wherein the first transistor is coupled to a high voltage;
wherein the second transistor is coupled to the low voltage, the first control node, the first transistor, and the fifth transistor;
wherein the third transistor has a first end directly connected to the high voltage, a second end directly connected to the second control node, and a third end directly connected to a second clock signal; and
wherein the fourth transistor is coupled to the low voltage, the first transistor, the fifth transistor, and the auxiliary transistor;
wherein the second transistor has a bottom gate structure, and the auxiliary transistor has a top gate structure.