公开(公告)号：US10573220B2

公开(公告)日：2020-02-25

申请号：US15862601

申请日：2018-01-04

Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.

Inventor： Dongxu Xiang ,  Yue Li ,  Zeyuan Chen ,  Yana Gao ,  Renyuan Zhu ,  Zhonglan Cai

IPC: G09G3/20 ,  G09G3/34 ,  G09G5/02

Abstract: Disclosed are a display panel and an electronic device. The display panel includes sub-pixels arranged in an array, wherein each pixel row of the sub-pixels comprises 3n sub-pixels, with every six adjacent sub-pixels of the pixel row forming a pixel group, n≥2, and the six adjacent sub-pixels of the pixel group are arranged in sequential order in a first direction parallel to the row direction. The display panel further includes a controller, where in a first display mode the controller controls each of the sub-pixels to be charged to emit light; and in a second display mode the controller controls at most two sub-pixels of each of the pixel groups in at least one of the pixel rows to not emit light, and controls at most two sub-pixels of the pixel group which have same order in two adjacent frames of pictures to not emit light.

公开(公告)号：US10535414B2

公开(公告)日：2020-01-14

申请号：US15864818

申请日：2018-01-08

Applicant: Shanghai Tianma AM-OLED Co., Ltd

Inventor： Yue Li ,  Renyuan Zhu ,  Dongxu Xiang ,  Yana Gao ,  Zeyuan Chen

IPC: G11C19/00 ,  G11C19/28 ,  G09G3/20 ,  G09G5/00 ,  G09G3/36

Abstract: A shift register element, a method for driving the same, and a display device are disclosed. The shift register element includes: an output module configured to provide an output terminal with a signal of a first signal terminal or a second signal terminal by voltage applied to a first node and a second node; a first driver configured to control voltage of the first node by the signal of the first input terminal; a second driver configured to control voltage of the second node by the signal of the first input terminal, and a signal of a third input terminal; a first feedback and adjustment module configured to control the voltage of the first node by the signals of the output terminal and the second input terminal; and a second feedback and adjustment module configured to control the voltage of the second node by the signal of the output terminal.

公开(公告)号：US10431153B2

公开(公告)日：2019-10-01

申请号：US15865097

申请日：2018-01-08

Applicant: Shanghai Tianma AM-OLED Co., Ltd.

Inventor： Yana Gao ,  Renyuan Zhu ,  Yue Li ,  Dongxu Xiang ,  Zeyuan Chen

IPC: G09G3/3225 ,  G09G3/3233

Abstract: The disclosure discloses a pixel circuit, a method for driving the same, and an organic electroluminescent display panel, where the pixel circuit includes a node initialization module and a drive control module, the node initialization module includes a first switch transistor with a gate electrically connected with a first scan signal terminal, a source electrically connected with a first reference signal terminal, and a drain electrically connected with a first node; and a seventh switch transistor with a gate electrically connected with the first scan signal terminal, a source electrically connected with the second reference signal terminal, and a drain electrically connected with the second node; the drive control module includes a drive transistor with a gate electrically connected with the first node, a source electrically connected with the second node.

公开(公告)号：US10417961B2

公开(公告)日：2019-09-17

申请号：US15488576

申请日：2017-04-17

Applicant: Shanghai Tianma AM-OLED Co., Ltd. ,  Tianma Micro-Electronics Co., Ltd.

Inventor： Dongxu Xiang ,  Yue Li ,  Tong Wu ,  Renyuan Zhu ,  Gang Liu ,  Dong Qian ,  Zeyuan Chen

IPC: G09G3/3233

Abstract: An organic light-emitting display panel, a driving method, and an organic light-emitting display device are provided. The organic light-emitting display panel comprises a plurality of pixel driving circuits, wherein a pixel driving circuit includes a first scan signal terminal and a second scan signal terminal; a light-emitting signal terminal, a data signal terminal, an initialization signal terminal, a first voltage terminal, and a second voltage terminal; a driving module comprising a driving transistor and a first capacitor having two electrode plates electrically connected to a gate electrode and a first electrode of the driving transistor, respectively; an initialization module comprising a first transistor, a first electrode, and a second electrode electrically connected to a second electrode of the driving transistor; a data writing module electrically connected to the gate electrode of the driving transistor; a light-emitting control module; and an organic light-emitting element.

公开(公告)号：US10210803B2

公开(公告)日：2019-02-19

申请号：US15588112

申请日：2017-05-05

Applicant: Shanghai Tianma AM-OLED Co., Ltd. ,  Tianma Micro-Electronics Co., Ltd.

Inventor： Tong Wu ,  Zeyuan Chen ,  Yue Li ,  Dongxu Xiang ,  Renyuan Zhu ,  Gang Liu

IPC: G09G3/3233 ,  H01L27/12 ,  H01L29/786

Abstract: A pixel circuit and driving method thereof, and a display device are provided. The pixel circuit comprises a light-emitting element, a first, second, third, and fourth transistors, and a capacitor element. The first transistor is configured to time-sharingly receive a data voltage and a power supply voltage under control of a first voltage signal. The second transistor is configured to detect and compensate a threshold voltage deviation of the first transistor under control of a first scanning signal. The third transistor is configured to provide a driving current generated by the first transistor to the light-emitting element under control of a light-emitting signal. The fourth transistor is configured to transmit a reset signal to an anode of the light-emitting element under control of a second scanning signal. The capacitor element is configured to store the data voltage transmitted to the first transistor. The light-emitting element is configured to emit light.

公开(公告)号：US10056038B2

公开(公告)日：2018-08-21

申请号：US15593929

申请日：2017-05-12

Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.

Inventor： Dongxu Xiang ,  Yue Li ,  Tong Wu ,  Zeyuan Chen ,  Gang Liu ,  Dong Qian

IPC: G09G3/36 ,  G09G3/3258 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0871 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/045

Abstract: The present disclosure discloses an organic light emitting display panel, a driving method thereof, and an organic light emitting display apparatus. The organic light emitting display panel includes a plurality of pixel driving circuits, comprising: a driving module including a driving transistor and a first capacitor; an initialization module for initializing potentials of a gate and a first electrode of the driving transistor at least under the control of a first scanning signal terminal; a data writing module for transmitting a signal of a data signal terminal to a second electrode plate of a first capacitor under the control of the first or a second scanning signal terminal; a light emitting control module for transmitting a potential signal of the first electrode of the driving transistor to the second electrode plate of the first capacitor and driving an organic light emitting diode to emit light.

公开(公告)号：US10417967B2

公开(公告)日：2019-09-17

申请号：US15863967

申请日：2018-01-07

Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.

Inventor： Renyuan Zhu ,  Yana Gao ,  Yue Li ,  Zeyuan Chen

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12 ,  G09G3/20

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of pixel circuits, and each of the pixel circuit includes an initialization component, a data writing component, a light emitting control component, a voltage storage component, a driving transistor, a first voltage maintenance component, a switching control component, an external compensation component and a light-emitting diode. The driving transistor is a dual-gate transistor, and a second gate of the dual-gate transistor is electrically connected to the external compensation component through the switching control component. The external compensation component is under the control of the switching control component to firstly collect the voltage at a third node and then provide a compensation voltage to a second node to adjust the threshold voltage of the dual-gate transistor so that the threshold voltage of the dual-gate transistor is more approximate to a standard threshold voltage.

公开(公告)号：US10403195B2

公开(公告)日：2019-09-03

申请号：US15791137

申请日：2017-10-23

Applicant: Shanghai Tianma AM-OLED Co., Ltd.

Inventor： Renyuan Zhu ,  Yue Li ,  Yana Gao ,  Dongxu Xiang ,  Zeyuan Chen ,  Bozhang Sun

IPC: G11C19/00 ,  G09G3/20 ,  G11C19/28 ,  G11C19/18 ,  G09G3/36 ,  G09G3/3266

Abstract: Embodiments of the disclosure provide a shift register, a method for driving the same, and a display device, and the shift register includes: a first input module and a second input module, connected respectively with an input signal terminal and a first clock signal terminal; a first control module and a second control module connected with a second clock signal terminal; a third control module connected with a first reference signal terminal; and an output module and a plurality of capacitors, connected respectively with the first reference signal terminal, the second reference signal terminal, and the output signal terminal.

公开(公告)号：US10347181B2

公开(公告)日：2019-07-09

申请号：US15728516

申请日：2017-10-10

Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.

Inventor： Renyuan Zhu ,  Zeyuan Chen

IPC: G09G3/3233

Abstract: The disclosure discloses a display panel, a display device, and a method for driving a pixel circuit, and the pixel circuit includes a data writing module, a light-emission control module, a driver control module, a threshold compensation module, an anode resetting module, a node initialization module, and an organic light-emitting diode. The threshold compensation module can compensate for drifting of threshold voltage of the driver transistor so that the pixel circuit can emit light and display while operating current of the driver transistor to drive the light-emitting element to emit light is only dependent upon a signal on the data line and voltage at a reference signal end, but independent of the threshold voltage and a first power source voltage end to thereby avoid the threshold voltage and an IR drop from affecting the current flowing through the organic light-emitting diode.

公开(公告)号：US10297202B2

公开(公告)日：2019-05-21

申请号：US15587514

申请日：2017-05-05

Applicant: Shanghai Tianma AM-OLED Co., Ltd. ,  Tianma Micro-Electronics Co., Ltd.

Inventor： Dongxu Xiang ,  Yue Li ,  Tong Wu ,  Dong Qian ,  Gang Liu ,  Zeyuan Chen

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light-emitting display panel, a driving method thereof, and an organic light-emitting display device are provided. The organic light-emitting display panel includes a pixel driving circuit comprising an organic light-emitting element, a driving module, an initialization module, a data write-in module, and a light-emitting control module. The driving module includes a control end, a first end and a second end. The light-emitting control module is configured to transmit a signal to the second end of the driving module. The driving module is configured to drive the organic light-emitting element to emit light based on the signal transmitted by the light-emitting control module. The initialization module is configured to initialize a voltage level of the control end and a voltage level of the first end of the driving module. The data write-in module is configured to write a data signal into the control end of the driving module.