发明名称 |
Touch display driving circuit, method thereof and display apparatus |
摘要 |
It is provided a touch display driving circuit, a method thereof and a display apparatus, wherein the touch display driving circuit includes a driving transistor, a touch sensing unit, and a compensation driving unit; wherein the driving transistor drives a pixel display element to perform the displaying of the pixel; the touch sensing unit receives a touch control signal, and to control the compensation driving unit to drive the driving transistor according to the received touch control signal; the compensation driving unit drives the driving transistor, and to adjust the gate-source voltage of the driving transistor as driving the driving transistor, so that a compensation amount of the gate-source voltage and a threshold voltage are counteracted. The technical solutions of the embodiments of the disclosure are capable of achieving an integration of the touch control with the driven displaying, which reduces a thickness of the display screen. |
申请公布号 |
US9627455(B2) |
申请公布日期 |
2017.04.18 |
申请号 |
US201314375640 |
申请日期 |
2013.08.13 |
申请人 |
BOE TECHNOLOGY GROUP CO., LTD.;CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. |
发明人 |
Wu Bo;Qi Xiaojing;Tan Wen |
分类号 |
H01L27/32;G06F3/042;G09G3/32;G09G3/3233;G06F3/041;G09G3/3258;G09G3/3275 |
主分类号 |
H01L27/32 |
代理机构 |
Ladas & Parry LLP |
代理人 |
Ladas & Parry LLP |
主权项 |
1. A touch display driving circuit comprising a driving transistor, a touch sensing unit and a compensation driving unit, wherein
the driving transistor is configured to drive a pixel display element to perform the displaying of the pixel; the touch sensing unit is configured to receive a touch control signal, and to control the compensation driving unit to drive the driving transistor to perform the displaying of the pixel according to the received touch control signal; and the compensation driving unit is configured to drive the driving transistor to perform the displaying of the pixel, and to adjust a gate-source voltage of the driving transistor as driving the driving transistor to perform the displaying of the pixel, so that a compensation amount of the gate-source voltage and a threshold voltage are counteracted, wherein the compensation driving unit comprises a first switch transistor and a voltage-regulating module; a gate of the first switch transistor is connected to a first control line, a first electrode of the first switch transistor is connected to a data line, and a second electrode of the switch transistor is connected to the voltage-regulating module; a gate of the driving transistor is connected to the voltage-regulating module, a first electrode of the driving transistor is connected to the voltage-regulating module, and a second electrode of the driving transistor is connected to the voltage-regulating module; and the voltage-regulating module is connected to a first power supply and the first control line, and is further connected to the touch sensing unit; the touch sensing unit is connected to a third power supply. |
地址 |
Beijing CN |