公开(公告)号：US09343178B2

公开(公告)日：2016-05-17

申请号：US14454729

申请日：2014-08-08

Applicant: AU Optronics Corp.

Inventor： Pin-Yu Chan ,  Chia-En Wu ,  Kai-Wei Hong ,  Li-Wei Liu ,  Yung-Chih Chen

IPC: G11C19/28 ,  H03K17/16

CPC classification number: G11C19/28 ,  G09G2310/0267 ,  G09G2310/0286 ,  H03K17/161

Abstract: A gate driver has a plurality of shift registers. Each of the shift registers has at least three input terminals, two signal input terminals, a pull-up circuit, a driving circuit, a stability pull-down control circuit, and a stability pull-down circuit. The three input terminals of each shift register receive three different clock signals. Accordingly, the driving circuit and the stability pull-down control circuit of each shift register are controlled according to the three clock signals, such that a glitch causing by the coupling effect of the parasitic capacitor of the driving circuit is avoided and the stability of the gate driver is improved.

Abstract translation: 门驱动器具有多个移位寄存器。 每个移位寄存器具有至少三个输入端子，两个信号输入端子，上拉电路，驱动电路，稳定性下拉控制电路和稳定性下拉电路。 每个移位寄存器的三个输入端子接收三个不同的时钟信号。 因此，根据三个时钟信号来控制各个移位寄存器的驱动电路和稳定下拉控制电路，从而避免了由驱动电路的寄生电容器的耦合效应引起的毛刺，并且稳定性 门驱动程序得到改进。

公开(公告)号：US09812061B2

公开(公告)日：2017-11-07

申请号：US14691665

申请日：2015-04-21

Applicant: AU OPTRONICS CORP.

Inventor： Li-Wei Liu ,  Yi-Cheng Lin

IPC: G09G3/3258 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/0262 ,  G09G2320/0204 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/028 ,  G09G2330/10

Abstract: A display apparatus includes a display unit, a source driver, a gate driver and a compensation unit. The display unit includes at least a pixel unit. Each pixel unit includes a first transistor, a second transistor, a first capacitor, a second capacitor and an organic light emitting diode. When the pixel unit is operated in a display mode, the pixel unit outputs a sensing voltage including a first parameter having characteristics of the second transistor and a second parameter having characteristics of the organic light emitting diode. The source driver receives a compensation data and accordingly adjusts the next display data. The compensation unit is disposed between the second capacitor and the source driver and electrically coupled between the second end of the second capacitor and the source driver. The compensation unit receives the sensing voltage and outputs the compensation data according to the received sensing voltage.

公开(公告)号：US09208737B2

公开(公告)日：2015-12-08

申请号：US14325392

申请日：2014-07-08

Applicant: AU Optronics Corp.

Inventor： Kai-Wei Hong ,  Pin-Yu Chan ,  Li-Wei Liu ,  Yung-Chih Chen

IPC: G09G3/36

CPC classification number: G09G3/3674 ,  G09G2310/0286

Abstract: A shift register circuit has a plurality of shift registers. Each of the shift registers has at least four input terminals, a signal input terminal, an output terminal, a pull-up circuit, a driving circuit, a stability driving circuit, and a pull-down circuit. The signal input terminal receives an input signal, and the pull-up circuit is configured to pull up a voltage level of a node of the shift register. The driving circuit outputs a gate driving signal according to the voltage level of the node. The pull-down circuit is configured to pull down the voltage level of the node. The stability driving circuit can pull down the voltage of the output terminal according to the voltages of the four input terminals, and, thus, can reduce the response time of the shift register circuit and increase the operation region of the shift register circuit.

Abstract translation: 移位寄存器电路具有多个移位寄存器。 每个移位寄存器具有至少四个输入端子，信号输入端子，输出端子，上拉电路，驱动电路，稳定性驱动电路和下拉电路。 信号输入端子接收输入信号，并且上拉电路被配置为上拉移位寄存器的节点的电压电平。 驱动电路根据节点的电压电平输出栅极驱动信号。 下拉电路被配置为降低节点的电压电平。 稳定驱动电路可以根据四个输入端子的电压来降低输出端子的电压，从而可以减少移位寄存器电路的响应时间并增加移位寄存器电路的工作区域。

公开(公告)号：US20140339998A1

公开(公告)日：2014-11-20

申请号：US13969628

申请日：2013-08-19

Applicant: AU Optronics Corp.

Inventor： Wei-Chu Hsu ,  Li-Wei Liu ,  Hua-Gang Chang

IPC: H05B33/08

CPC classification number: G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  H05B33/0806

Abstract: A light emitting diode module includes a light emitting unit and a light emitting diode circuit. The light emitting diode circuit includes four transistors and a storage capacitor. A first transistor includes a first end for receiving a data signal, and a control end. The storage capacitor has a first end coupled to a second end of the first transistor. A second transistor has a first end coupled to a first voltage source, and a control end. A third transistor has a first end coupled to a second end of the second transistor, and a control end coupled to a second end of the storage capacitor. A fourth transistor has a first end coupled to the second end of the storage capacitor, a control end, and a second end coupled to the second end of the second transistor.

Abstract translation: 发光二极管模块包括发光单元和发光二极管电路。 发光二极管电路包括四个晶体管和存储电容器。 第一晶体管包括用于接收数据信号的第一端和控制端。 存储电容器具有耦合到第一晶体管的第二端的第一端。 第二晶体管具有耦合到第一电压源的第一端和控制端。 第三晶体管具有耦合到第二晶体管的第二端的第一端和耦合到存储电容器的第二端的控制端。 第四晶体管具有耦合到存储电容器的第二端的第一端，控制端和耦合到第二晶体管的第二端的第二端。

公开(公告)号：US20140118052A1

公开(公告)日：2014-05-01

申请号：US13778063

申请日：2013-02-26

Applicant: AU OPTRONICS CORP.

Inventor： Li-Wei Liu ,  Tsung-Ting Tsai

IPC: G11C19/28 ,  H03K17/284

CPC classification number: G11C19/28 ,  H03K5/15093

Abstract: An Nth shift register includes a pull up unit, a driving unit, a first pull down unit, a second pull down unit, and a third pull down unit. The pull up unit is used for providing a first pull up signal according to a first clock signal, a second clock signal, and a starting pulse. The driving unit is used for providing a driving signal according to the first pull up signal and providing a gate signal according to the first clock signal and the driving signal. The first pull down unit is used for pulling down the first pull up signal according to the first clock signal. The second pull down unit is used for pulling down the driving signal according to a second pull up signal. The third pull down unit is used for pulling down the gate signal according to the second clock signal.

Abstract translation: 第N移位寄存器包括上拉单元，驱动单元，第一下拉单元，第二下拉单元和第三下拉单元。 上拉单元用于根据第一时钟信号，第二时钟信号和起始脉冲提供第一上拉信号。 驱动单元用于根据第一上拉信号提供驱动信号，并根据第一时钟信号和驱动信号提供门信号。 第一个下拉单元用于根据第一个时钟信号拉低第一个上拉信号。 第二下拉单元用于根据第二上拉信号来拉下驱动信号。 第三个下拉单元用于根据第二个时钟信号来拉下门信号。

公开(公告)号：US09424949B2

公开(公告)日：2016-08-23

申请号：US14481183

申请日：2014-09-09

Applicant: AU OPTRONICS CORP.

Inventor： Kai-Wei Hong ,  Pin-Yu Chan ,  Yung-Chih Chen ,  Li-Wei Liu

IPC: G11C19/00 ,  G11C19/28 ,  G11C19/18

CPC classification number: G11C19/28 ,  G09G2310/0286 ,  G11C19/186

Abstract: A shift register circuit includes a first transistor, a capacitor, a pull-up control circuit, a first pull-down circuit, a pull-down control circuit, a second pull-down circuit and a compensation circuit. The compensation circuit further includes a second transistor, a third transistor, a fourth transistor, a fifth transistor and a sixth transistor. The second transistor, the third transistor, the fourth transistor, and the fifth transistor are corporately used to output a compensation pulse; and the sixth transistor is used to output the compensation pulse to a gate terminal of the first transistor thereby compensating a control signal.

Abstract translation: 移位寄存器电路包括第一晶体管，电容器，上拉控制电路，第一下拉电路，下拉控制电路，第二下拉电路和补偿电路。 补偿电路还包括第二晶体管，第三晶体管，第四晶体管，第五晶体管和第六晶体管。 第二晶体管，第三晶体管，第四晶体管和第五晶体管共同地用于输出补偿脉冲; 并且第六晶体管用于将补偿脉冲输出到第一晶体管的栅极端子，从而补偿控制信号。

公开(公告)号：US09514680B2

公开(公告)日：2016-12-06

申请号：US14587589

申请日：2014-12-31

Applicant: AU OPTRONICS CORP.

Inventor： Li-Wei Liu ,  Wei-Chu Hsu ,  Yung-Chih Chen

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G2230/00 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A pixel driving circuit includes a light emitting diode (LED), a data writing unit, two transistors and two compensation units. The gate of the first transistor is coupled to the data writing unit for determining the current flow of the LED. The first compensation unit is coupled to the first transistor for providing a current path from the gate of the first transistor to a first voltage source and a current path from the gate of the first transistor to a second voltage source. The second compensation unit includes a first capacitor coupled to the gate of the first transistor for voltage coupling and providing a differential voltage that equals to the OLED to the gate of the first transistor. The second transistor is coupled between the first voltage source and a second voltage source for enabling or disabling the current flow between the first and second voltage sources.

Abstract translation: 像素驱动电路包括发光二极管（LED），数据写入单元，两个晶体管和两个补偿单元。 第一晶体管的栅极耦合到数据写入单元，用于确定LED的当前流量。 第一补偿单元耦合到第一晶体管，用于提供从第一晶体管的栅极到第一电压源的电流路径以及从第一晶体管的栅极到第二电压源的电流路径。 第二补偿单元包括耦合到第一晶体管的栅极用于电压耦合的第一电容器，并将等于OLED的差分电压提供给第一晶体管的栅极。 第二晶体管耦合在第一电压源和第二电压源之间，用于启用或禁用第一和第二电压源之间的电流。

公开(公告)号：US20150294734A1

公开(公告)日：2015-10-15

申请号：US14454729

申请日：2014-08-08

Applicant: AU Optronics Corp.

Inventor： Pin-Yu Chan ,  Chia-En Wu ,  Kai-Wei Hong ,  Li-Wei Liu ,  Yung-Chih Chen

IPC: G11C19/28 ,  H03K17/16

CPC classification number: G11C19/28 ,  G09G2310/0267 ,  G09G2310/0286 ,  H03K17/161

Abstract: A gate driver has a plurality of shift registers. Each of the shift registers has at least three input terminals, two signal input terminals, a pull-up circuit, a driving circuit, a stability pull-down control circuit, and a stability pull-down circuit. The three input terminals of each shift register receive three different clock signals. Accordingly, the driving circuit and the stability pull-down control circuit of each shift register are controlled according to the three clock signals, such that a glitch causing by the coupling effect of the parasitic capacitor of the driving circuit is avoided and the stability of the gate driver is improved.

Abstract translation: 门驱动器具有多个移位寄存器。 每个移位寄存器具有至少三个输入端子，两个信号输入端子，上拉电路，驱动电路，稳定性下拉控制电路和稳定性下拉电路。 每个移位寄存器的三个输入端子接收三个不同的时钟信号。 因此，根据三个时钟信号来控制各个移位寄存器的驱动电路和稳定下拉控制电路，从而避免了由驱动电路的寄生电容器的耦合效应引起的毛刺，并且稳定性 门驱动程序得到改进。

公开(公告)号：US20150255034A1

公开(公告)日：2015-09-10

申请号：US14325392

申请日：2014-07-08

Applicant: AU Optronics Corp.

Inventor： Kai-Wei Hong ,  Pin-Yu Chan ,  Li-Wei Liu ,  Yung-Chih Chen

IPC: G09G3/36

CPC classification number: G09G3/3674 ,  G09G2310/0286

Abstract: A shift register circuit has a plurality of shift registers. Each of the shift registers has at least four input terminals, a signal input terminal, an output terminal, a pull-up circuit, a driving circuit, a stability driving circuit, and a pull-down circuit. The signal input terminal receives an input signal, and the pull-up circuit is configured to pull up a voltage level of a node of the shift register. The driving circuit outputs a gate driving signal according to the voltage level of the node. The pull-down circuit is configured to pull down the voltage level of the node. The stability driving circuit can pull down the voltage of the output terminal according to the voltages of the four input terminals, and, thus, can reduce the response time of the shift register circuit and increase the operation region of the shift register circuit.

Abstract translation: 移位寄存器电路具有多个移位寄存器。 每个移位寄存器具有至少四个输入端子，信号输入端子，输出端子，上拉电路，驱动电路，稳定性驱动电路和下拉电路。 信号输入端子接收输入信号，并且上拉电路被配置为上拉移位寄存器的节点的电压电平。 驱动电路根据节点的电压电平输出栅极驱动信号。 下拉电路被配置为降低节点的电压电平。 稳定驱动电路可以根据四个输入端子的电压来降低输出端子的电压，从而可以减少移位寄存器电路的响应时间并增加移位寄存器电路的工作区域。

公开(公告)号：US10056035B2

公开(公告)日：2018-08-21

申请号：US15357198

申请日：2016-11-21

Applicant: AU OPTRONICS CORP.

Inventor： Li-Wei Liu ,  Chien-Ya Lee

IPC: G09G3/3241 ,  G09G3/3233

CPC classification number: G09G3/3241 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A pixel circuit includes a first capacitor, an input unit, a driving unit, a first compensation unit, an organic light-emitting diode, a switch unit, a second compensation unit and a reset unit. The input unit is electrically connected to the first capacitor and the second compensation unit. The second compensation unit is electrically connected to the organic light-emitting diode. The first compensation unit is electrically connected to the first capacitor, the driving unit, the switch unit and the reset unit. The driving unit is electrically connected to the switch unit and the reset unit. The switch unit is electrically connected to the organic light-emitting diode. The pixel circuit is configured to generate a corresponding driving current according to a turn-on voltage of the organic light-emitting diode. A driving method of a pixel circuit is also provided.