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1. 发明授权

US10262615B2 Shift register, driving method, and gate electrode drive circuit 有权
公开(公告)号：US10262615B2
公开(公告)日：2019-04-16
申请号：US15508921
申请日：2016-05-20
申请人： BOE TECHNOLOGY GROUP CO., LTD. , CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Like Hu , Haigang Qing
IPC分类号： G09G3/00 , G09G3/36 , G11C19/28
摘要： A shift register includes: a plurality of clock signal terminals; and a plurality of input terminals. The plurality input terminals are configured to provide input signals under control by one or more clock signals from one or more of the plurality of clock signal terminals to realize both a forward scan and a backward scan of the shift register.

2. 发明授权

US09791968B2 Shift register, its driving method, gate driver circuit and display device 有权
公开(公告)号：US09791968B2
公开(公告)日：2017-10-17
申请号：US15306264
申请日：2016-01-27
申请人： BOE TECHNOLOGY GROUP CO., LTD. , CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Like Hu
IPC分类号： G11C19/00 , G06F3/041 , G09G5/00 , G11C19/28
CPC分类号： G06F3/0416 , G09G3/20 , G09G5/003 , G09G2300/0408 , G09G2300/0426 , G09G2310/0267 , G09G2310/0283 , G09G2310/0286 , G09G2310/08 , G11C19/28
摘要： The present disclosure provides a shift register, its driving method, a gate driver circuit and a display device. The shift register includes an input module, a resetting module, a touch switching module, a node control module, a first output module and a second output module. In the shift register, through the cooperation of the above six modules, it is able to provide a touch stage between any two adjacent time periods of a display stage, it enables a driving signal output end of the shift register to output a DC signal at the touch stage, and enable the gate driver circuit to achieve a display function after the touch stage is ended.

3. 发明授权

US09306572B2 Output buffer, gate electrode driving circuit and method for controlling the same 有权
标题翻译：输出缓冲器，栅电极驱动电路及其控制方法
公开(公告)号：US09306572B2
公开(公告)日：2016-04-05
申请号：US14331836
申请日：2014-07-15
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： Xiaojing Qi , Like Hu
IPC分类号： H03K19/0175 , H03K19/094 , H03K19/0948
CPC分类号： H03K19/0948 , H03K19/09429
摘要： The present disclosure discloses an output buffer, a gate electrode driving circuit and a method for controlling the same. The output buffer includes a first transistor, a second transistor and an input signal control unit. The input signal control unit controls an input signal to obtain a pull-up signal and a pull-down signal, which are input to input terminals of the first transistor and the second transistor, respectively. The above output buffer uses the input signal control unit to divide one input signal into two signals, i.e., the pull-up signal and the pull-down signal.
摘要翻译：本公开公开了一种输出缓冲器，栅电极驱动电路及其控制方法。输出缓冲器包括第一晶体管，第二晶体管和输入信号控制单元。输入信号控制单元控制输入信号以获得分别输入到第一晶体管和第二晶体管的输入端的上拉信号和下拉信号。上述输出缓冲器使用输入信号控制单元将一个输入信号分成两个信号，即上拉信号和下拉信号。

4. 发明授权

US09905179B2 Shift register, driving method, gate driving circuit and display device 有权
公开(公告)号：US09905179B2
公开(公告)日：2018-02-27
申请号：US14786046
申请日：2015-03-20
申请人： BOE TECHNOLOGY GROUP CO., LTD. , CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Like Hu , Xiaojing Qi
IPC分类号： G11C19/00 , G09G3/36 , G11C19/28 , H03K19/20
CPC分类号： G09G3/3677 , G09G3/36 , G09G2310/0286 , G09G2330/021 , G11C19/28 , H03K19/20
摘要： A shift register, a driving method, a gate driving circuit and a display device. The shift register comprises an input terminal (STV_IN), a reset terminal (STV_RES), a trigger terminal (CLK_IN), an output terminal (STV_OUT), an input module connected to the input terminal (STV_IN) and the reset terminal (STV_RES) and configured to deliver a signal received from the input terminal (STV_IN) or a signal received from the reset terminal (STV_RES) to an output module under the control of an external signal (U2D, D2U); a trigger module connected to the input terminal (STV_IN), the reset terminal (STV_RES) and the trigger terminal (CLK_IN) and configured to deliver a signal received from the trigger terminal (CLK_IN) to the output module when a signal is received from the input terminal (STV_IN) or from the reset terminal (STV_RES); and the output module connected to the input module, the trigger module and the output terminal (STV_OUT) and configured to flip a signal outputted from the output terminal (STV_OUT) between an output state and a reset state according to a signal from the input module under the trigger of the signal from the trigger module. The trigger signal is filtered out when no signal is inputted by setting the trigger module or the trigger unit, such that remaining circuits keep in a steady state holding state, which is benefit for reducing of power consumption.

5. 发明授权

US09728133B2 Pixel unit driving circuit, pixel unit driving method, pixel unit and display apparatus 有权
公开(公告)号：US09728133B2
公开(公告)日：2017-08-08
申请号：US14777719
申请日：2015-03-30
申请人： Boe Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： Like Hu , Haigang Qing , Xiaojing Qi
IPC分类号： G09G3/32 , G09G3/3258 , G09G3/3266 , G09G3/3291 , G09G3/3233
CPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G3/3291 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0278 , G09G2320/0233 , G09G2330/028
摘要： The embodiment of the present disclosure provides a pixel unit driving circuit comprising: a driving unit; a charging unit; a storage unit configured to be charged during the charging stage of the pixel unit driving circuit, and provide a control voltage to the driving unit during a driving stage of the pixel unit driving circuit; a lighting control unit configured to make that a driving current provided from the driving unit to the lighting element during the driving stage of the pixel unit driving circuit is independent on a threshold voltage of the driving unit; and the driving control unit connected to the lighting control unit, the storage unit and the driving unit and configured to control the supply of the control voltage of the driving unit. According the embodiments of the present disclosure, the influence of the threshold voltage of the driving unit on the operating current is eliminated by providing the lighting control unit and the driving control unit, so as to moderate the drift of the threshold voltage caused by process procedure and a long term operation and to ensure the uniformity of the displayed brightness of the lighting element.

6. 发明申请

US20160372070A1 SHIFT REGISTER UNIT, GATE DRIVING CIRCUIT AND DISPLAY APPARATUS 审中-公开
标题翻译：移位寄存器单元，门驱动电路和显示设备
公开(公告)号：US20160372070A1
公开(公告)日：2016-12-22
申请号：US15122265
申请日：2015-08-31
申请人： BOE TECHNOLOGY GROUP CO., LTD. , CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Like Hu , Xiaojing Qi
IPC分类号： G09G3/36
CPC分类号： G09G3/3677 , G09G3/20 , G09G3/3614 , G09G2310/0267 , G09G2310/0283 , G09G2310/0286 , G09G2310/06 , G09G2310/08 , G11C19/28
摘要： The embodiments of the present disclosure provide a shift register unit, a gate driving circuit with bi-directional scan, and a display apparatus. The shift register unit comprises: an input module configured to provide a first input signal to a first node; a first control module configured to provide a pull-up output based on the first input signal and the third clock signal, and then provide a pull-down output; and a second control module configured to maintain a level at the output node at the source voltage based on a fourth clock signal. The first control module comprises a first transistor that remains on after the pull-up output to provide the pull-down output, and the second control module comprises a second transistor that maintains the level at the output node. The shift register unit according to the embodiment of the present disclosure achieves bi-directional scan with a simple design, which is beneficial for wiring in display panels with narrow rims and high resolutions. Further, since the second transistor is provided only for pull-down maintenance, a transistor of a small size can be used to further reduce the size of the circuit.
摘要翻译：本公开的实施例提供了移位寄存器单元，具有双向扫描的栅极驱动电路和显示装置。移位寄存器单元包括：输入模块，被配置为向第一节点提供第一输入信号; 第一控制模块，被配置为基于所述第一输入信号和所述第三时钟信号提供上拉输出，然后提供下拉输出; 以及第二控制模块，被配置为基于第四时钟信号将输出节点处的电平维持在源极电压。第一控制模块包括在上拉输出之后保持导通以提供下拉输出的第一晶体管，并且第二控制模块包括维持输出节点处的电平的第二晶体管。根据本公开的实施例的移位寄存器单元以简单的设计实现双向扫描，这有利于具有窄边框和高分辨率的显示面板中的布线。此外，由于第二晶体管仅用于下拉维护，所以可以使用小尺寸的晶体管来进一步减小电路的尺寸。

7. 发明授权

US09018842B2 Driving circuit and method for pixel unit, pixel unit and display apparatus 有权
标题翻译：像素单元，像素单元和显示设备的驱动电路和方法
公开(公告)号：US09018842B2
公开(公告)日：2015-04-28
申请号：US13805728
申请日：2012-11-01
申请人： Boe Technology Group Co., Ltd. , Chengdu Boe Optoelectronics Technology Co., Ltd.
发明人： Wen Tan , Xiaojing Qi , Like Hu , Young Yik Ko
IPC分类号： G09G3/32
CPC分类号： G09G3/3225 , G09G3/3233 , G09G2300/0417 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0233 , G09G2320/045
摘要： The present invention provides a driving circuit and method for a pixel unit, a pixel unit and a display apparatus. The driving circuit for a pixel unit comprises: a driving thin-film transistor, a first switching element, a storage capacitor and a driving control unit; said driving control unit is used to control said storage capacitor to be charged/discharged so as to control said driving thin-film transistor to operate in a saturation region, so that the threshold voltage Vth of said driving thin-film transistor is compensated by utilizing the gate-source voltage of said driving thin-film transistor. The present invention can address the problems of ununiformity and attenuation of the brightness of OLED panel.
摘要翻译：本发明提供一种用于像素单元，像素单元和显示装置的驱动电路和方法。像素单元的驱动电路包括：驱动薄膜晶体管，第一开关元件，存储电容器和驱动控制单元; 所述驱动控制单元用于控制所述存储电容器被充电/放电，以便控制所述驱动薄膜晶体管在饱和区域中工作，使得所述驱动薄膜晶体管的阈值电压Vth通过利用所述驱动薄膜晶体管的栅极 - 源极电压。本发明可以解决OLED面板的亮度不均匀和衰减的问题。

8. 发明授权

US10417983B2 Shift register unit, gate driving circuit and display apparatus 有权
公开(公告)号：US10417983B2
公开(公告)日：2019-09-17
申请号：US15122265
申请日：2015-08-31
申请人： BOE Technology Group Co., Ltd. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： Like Hu , Xiaojing Qi
IPC分类号： G11C19/00 , G09G3/36 , G09G3/20 , G11C19/28
摘要： The embodiments of the present disclosure provide a shift register unit, a gate driving circuit with bi-directional scan, and a display apparatus. The shift register unit comprises: an input module configured to provide a first input signal to a first node; a first control module configured to provide a pull-up output based on the first input signal and the third clock signal, and then provide a pull-down output; and a second control module configured to maintain a level at the output node at the source voltage based on a fourth clock signal. The first control module comprises a first transistor that remains on after the pull-up output to provide the pull-down output, and the second control module comprises a second transistor that maintains the level at the output node. The shift register unit according to the embodiment of the present disclosure achieves bi-directional scan with a simple design, which is beneficial for wiring in display panels with narrow rims and high resolutions. Further, since the second transistor is provided only for pull-down maintenance, a transistor of a small size can be used to further reduce the size of the circuit.

9. 发明申请

US20160358549A1 PIXEL UNIT DRIVING CIRCUIT, PIXEL UNIT DRIVING METHOD, PIXEL UNIT AND DISPLAY APPARATUS 有权
标题翻译：像素单元驱动电路，像素单元驱动方法，像素单元和显示设备
公开(公告)号：US20160358549A1
公开(公告)日：2016-12-08
申请号：US14777719
申请日：2015-04-14
申请人： BOE TECHNOLOGY GROUP CO., LTD. , CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Like Hu , Haigang Qing , Xiaojing Qi
IPC分类号： G09G3/3258 , G09G3/3266 , G09G3/3291
CPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G3/3291 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0278 , G09G2320/0233 , G09G2330/028
摘要： The embodiment of the present disclosure provides a pixel unit driving circuit comprising: a driving unit; a charging unit; a storage unit configured to be charged during the charging stage of the pixel unit driving circuit, and provide a control voltage to the driving unit during a driving stage of the pixel unit driving circuit; a lighting control unit configured to make that a driving current provided from the driving unit to the lighting element during the driving stage of the pixel unit driving circuit is independent on a threshold voltage of the driving unit; and the driving control unit connected to the lighting control unit, the storage unit and the driving unit and configured to control the supply of the control voltage of the driving unit. According the embodiments of the present disclosure, the influence of the threshold voltage of the driving unit on the operating current is eliminated by providing the lighting control unit and the driving control unit, so as to moderate the drift of the threshold voltage caused by process procedure and a long term operation and to ensure the uniformity of the displayed brightness of the lighting element.
摘要翻译：本公开的实施例提供一种像素单元驱动电路，包括：驱动单元; 充电单元; 存储单元，被配置为在像素单元驱动电路的充电阶段期间被充电，并且在像素单元驱动电路的驱动阶段期间向驱动单元提供控制电压; 照明控制单元，被配置为使得在所述像素单元驱动电路的驱动阶段期间从所述驱动单元向所述发光元件提供的驱动电流独立于所述驱动单元的阈值电压; 所述驱动控制单元连接到所述照明控制单元，所述存储单元和所述驱动单元，并且被配置为控制所述驱动单元的控制电压的供应。根据本公开的实施例，通过提供照明控制单元和驱动控制单元来消除驱动单元的阈值电压对工作电流的影响，以便缓和由处理程序引起的阈值电压漂移并且确保照明元件的显示亮度的均匀性。

10. 发明授权

US09054198B2 Pixel unit structure, array substrate and display device 有权
标题翻译：像素单元结构，阵列基板和显示设备
公开(公告)号：US09054198B2
公开(公告)日：2015-06-09
申请号：US14081244
申请日：2013-11-15
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Chengdu BOE Optoelectronics Technology Co., Ltd.
发明人： Xiaojing Qi , Bo Wu , Like Hu
IPC分类号： H01L29/04 , H01L29/10 , H01L27/14 , H01L29/786 , H01L27/32 , H01L29/49 , H01L29/417 , G02F1/1362 , H01L27/12
CPC分类号： H01L29/78654 , G02F1/136213 , H01L27/1218 , H01L27/1255 , H01L27/3244 , H01L27/3248 , H01L27/3265 , H01L29/41733 , H01L29/4908 , H01L29/78633
摘要： The invention discloses a pixel unit structure, an array substrate and a display device and relates to the technical field of liquid crystal displays. The pixel unit structure has a storage capacitor and has a high aperture ratio and a low manufacturing cost of the pixel unit. The pixel unit structure comprises a thin film transistor (TFT) and a first barrier layer, wherein the first barrier layer is opposite to a drain region of an active layer of the TFT, and is connected to a common electrode of an array substrate, thereby a capacitor can be formed between the first barrier layer and the drain region of the active layer.
摘要翻译：本发明公开了一种像素单元结构，阵列基板和显示装置，涉及液晶显示器的技术领域。像素单元结构具有存储电容器，并且具有高的开口率和低像素单元的制造成本。像素单元结构包括薄膜晶体管（TFT）和第一阻挡层，其中第一阻挡层与TFT的有源层的漏极区相对，并且连接到阵列基板的公共电极，由此可以在有源层的第一势垒层和漏极区域之间形成电容器。

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