公开(公告)号：US20180204535A1

公开(公告)日：2018-07-19

申请号：US15922006

申请日：2018-03-15

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： MIN-NAN LIAO ,  CHIH-PING SU

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G2310/027 ,  G09G2310/0289 ,  Y10T29/4913

Abstract: The present invention relates to a driving circuit of a display panel. A plurality of driving units produce a reference driving voltage according to a gamma voltage of a gamma circuit, respectively. A plurality of digital-to-analog converting circuits receive the reference driving voltages output by the plurality of driving units, and select one of the plurality of reference driving voltage as a data driving voltage according to pixel data, respectively. The plurality of digital-to-analog converting circuits transmit the plurality of data driving voltages to the display panel for displaying images. A voltage boost circuit is used for producing a first supply voltage and providing the first supply voltage to the plurality of digital-to-analog converting circuits. At least a voltage boost unit is used for producing a second supply voltage and providing the second supply voltage to the plurality of driving units.

公开(公告)号：US20180204534A1

公开(公告)日：2018-07-19

申请号：US15920903

申请日：2018-03-14

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： MIN-NAN LIAO ,  CHIH-PING SU

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G2310/027 ,  G09G2310/0289 ,  Y10T29/4913

Abstract: The present invention relates to a driving circuit of a display panel. A plurality of driving units produce a reference driving voltage according to a gamma voltage of a gamma circuit, respectively. A plurality of digital-to-analog converting circuits receive the reference driving voltages output by the plurality of driving units, and select one of the plurality of reference driving voltage as a data driving voltage according to pixel data, respectively. The plurality of digital-to-analog converting circuits transmit the plurality of data driving voltages to the display panel for displaying images. A voltage boost circuit is used for producing a first supply voltage and providing the first supply voltage to the plurality of digital-to-analog converting circuits. At least a voltage boost unit is used for producing a second supply voltage and providing the second supply voltage to the plurality of driving units.

公开(公告)号：US20140192094A1

公开(公告)日：2014-07-10

申请号：US14133978

申请日：2013-12-19

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： MIN-NAN LIAO ,  CHIH-PING SU

IPC: G09G3/36 ,  H05K3/30

CPC classification number: G09G3/3696 ,  G09G2310/027 ,  G09G2310/0289 ,  Y10T29/4913

Abstract: The present invention relates to a driving circuit of a display panel. A plurality of driving units produce a reference driving voltage according to a gamma voltage of a gamma circuit, respectively. A plurality of digital-to-analog converting circuits receive the reference driving voltages output by the plurality of driving units, and select one of the plurality of reference driving voltage as a data driving voltage according to pixel data, respectively. The plurality of digital-to-analog converting circuits transmit the plurality of data driving voltages to the display panel for displaying images. A voltage boost circuit is used for producing a first supply voltage and providing the first supply voltage to the plurality of digital-to-analog converting circuits. At least a voltage boost unit is used for producing a second supply voltage and providing the second supply voltage to the plurality of driving units.

Abstract translation: 本发明涉及显示面板的驱动电路。 多个驱动单元分别根据伽马电路的伽马电压产生参考驱动电压。 多个数模转换电路接收由多个驱动单元输出的参考驱动电压，并分别根据像素数据选择多个参考驱动电压中的一个作为数据驱动电压。 多个数模转换电路将多个数据驱动电压发送到显示面板以显示图像。 升压电路用于产生第一电源电压并向多个数模转换电路提供第一电源电压。 至少使用升压单元来产生第二电源电压并将第二电源电压提供给多个驱动单元。