-
公开(公告)号：US11222565B2
公开(公告)日：2022-01-11
申请号：US16072049
申请日：2018-01-08
Inventor： Xuehuan Feng , Xing Zhang , Qi Hu , Pan Xu , Yongqian Li , Meng Li , Zhidong Yuan , Zhenfei Cai , Can Yuan
Abstract: The present application discloses a shift register, a gate driving circuit and a driving method thereof, and a display apparatus. The shift register includes an input sub-circuit, an output sub-circuit, a reset control sub-circuit, a pull-up node reset sub-circuit, and an output signal reset sub-circuit; the input sub-circuit is configured to pre-charge the pull-up node under the control of a signal input to the first signal input terminal; the output sub-circuit is configured to output, through the signal output terminal, a signal input to the first clock signal input terminal under the control of a potential of the pull-up node; the reset control sub-circuit is configured to control, under the control of a reset signal input to the second signal input terminal, whether the pull-up node reset sub-circuit and the output signal reset sub-circuit operate to reset the pull-up node and the signal output terminal, respectively.
-
72.发明授权公开(公告)号：US10923025B2
公开(公告)日：2021-02-16
申请号：US16346519
申请日：2018-11-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Yicheng Lin , Ling Wang , Pan Xu
IPC: G09G3/32
Abstract: A method for compensating the pixel driving circuit may include: in a light emitting phase of the pixel driving circuit, sensing an electric signal of the first electrode of the electroluminescent element, and calculating an electrical compensation signal based on the electric signal; in the light emitting phase of the pixel driving circuit, sensing a brightness signal of the electroluminescent element by a photosensitive sensor and calculating an optical compensation signal according to the brightness signal; and generating a comprehensive compensation signal according to the electrical compensation signal and the optical compensation signal, and controlling a signal on a control terminal of the drive transistor according to the comprehensive compensation signal.
-
73.发明授权公开(公告)号：US10885845B2
公开(公告)日：2021-01-05
申请号：US16022756
申请日：2018-06-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Yi Cheng Lin , Ling Wang , Baoxia Zhang , Pan Xu
IPC: G09G3/32 , G09G3/3258 , G09G3/3233
Abstract: The present disclosure provides an OLED pixel driving circuit, a driving method thereof and a display device including the same. The OLED pixel driving circuit includes: a first transistor, providing driving current to an organic light emitting diode, and comprising a first terminal, second terminal and control terminal coupled to a first node, second node and third node respectively; a power switch unit, coupled between a power supply voltage and the second node; a first switch unit, coupled between a data line and a fourth node to couple a data voltage signal from the data line to the fourth node; a second switch unit, coupled between the third node and the second node to enable the first transistor connected as a diode; a first capacitor, coupled between the fourth node and the first node; and a second capacitor, coupled between the fourth node and the second node.
-
公开(公告)号：US10861926B2
公开(公告)日：2020-12-08
申请号：US16303340
申请日：2018-04-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Ling Wang , Yicheng Lin , Baoxia Zhang , Pan Xu , Quanhu Li
IPC: H01L27/32 , G09G3/3225 , H01L51/50 , H01L51/56 , H01L51/52
Abstract: The present disclosure is related to a display substrate. The display substrate may include a plurality of pixel units. Each of the plurality of the pixel units may include a first electrode and a second electrode on a base substrate. At least one of the pixel units further comprises an auxiliary electrode and a connecting structure between the auxiliary electrode and the first electrode. The connecting structure may be configured to electrically connect the auxiliary electrode to the first electrode.
-
公开(公告)号：US10783831B2
公开(公告)日：2020-09-22
申请号：US16413645
申请日：2019-05-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yicheng Lin , Pan Xu , Guang Yan , Dongfang Yang
IPC: G09G3/3258 , H05B45/10 , H01L27/32
Abstract: A pixel circuit comprising an organic light emitting diode; a driving transistor including a gate, a source connected to a first node, a drain connected to a second power supply terminal; and a photosensitive circuit connected between a second node and a third node, the second node configured to receive a reference voltage. The driving transistor is configured to, responsive to a gate voltage and a source voltage, control a magnitude of a driving current flowing through the organic light emitting diode. The photosensitive circuit is configured to sense an intensity of light emission of the organic light emitting diode and to set a potential at the third node according to the reference voltage and the intensity that was sensed, the potential that was set being detectable by an external circuit via a sense line.
-
Patent Agency Ranking
公开(公告)号：US10763391B2
公开(公告)日：2020-09-01
申请号：US16182883
申请日：2018-11-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yicheng Lin , Cuili Gai , Baoxia Zhang , Ling Wang , Quanhu Li , Pan Xu
IPC: H01L33/00 , G09G3/00 , H01L51/00 , H01L27/32 , G09G3/3225
Abstract: The present disclosure provides a display panel, a display device comprising such a display panel, and a method for processing defective pixels of such a display panel. The display panel comprises: a substrate; a plurality of pixel units on the substrate and arranged in an array. Each of the pixel units includes a light emitting region and a driving circuit region. In each of the pixel units, the driving circuit region includes a transistor, the light emitting region includes a first electrode, and the first electrode is electrically coupled to a first terminal of the transistor. In a row direction or a column direction of the plurality of pixel units arranged in an array, light emitting regions of two adjacent pixel units are adjacent to each other.
-
公开(公告)号：US10559243B2
公开(公告)日：2020-02-11
申请号：US15579432
申请日：2017-06-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongqian Li , Pan Xu , Quanhu Li
Abstract: A pixel driving circuit and a driving method thereof, an array substrate and a display device are provided. The pixel driving circuit includes: a color data write unit, a luminance control unit, and a graphene light-emitting device. The graphene light-emitting device can emit light under the control of a color data signal and a luminance control signal. The driving method of a pixel driving circuit is conducted to drive the pixel driving circuit.
-
78.发明申请公开(公告)号：US20190304362A1
公开(公告)日：2019-10-03
申请号：US16116265
申请日：2018-08-29
Inventor： Zhidong Yuan , Yongqian Li , Pan Xu , Can Yuan
IPC: G09G3/3233 , G09G3/3266 , G09G3/3291 , H01L27/32
Abstract: A detection method for a pixel circuit, a driving method for a display panel and a display panel are disclosed. The pixel circuit includes a driving transistor including a gate electrode, and a first terminal connected to a sensing line. The detection method includes: applying a data voltage and a setting voltage to the driving transistor so as to obtain a sensed voltage and obtaining a threshold voltage of the driving transistor based on the data voltage, the setting voltage and the sensed voltage. The data voltage and the setting voltage are respectively applied to the gate electrode and the first terminal so as to set the driving transistor to be in a saturation region, the gate electrode is set to be in a suspension state when the driving transistor is maintained in the saturation region, and the sensed voltage is obtained after a pre-determined time period.
-
公开(公告)号：US20190221633A1
公开(公告)日：2019-07-18
申请号：US16303340
申请日：2018-04-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Ling Wang , Yicheng Lin , Baoxia Zhang , Pan Xu , Quanhu Li
IPC: H01L27/32 , H01L51/52 , H01L51/50 , G09G3/3225 , H01L51/56
CPC classification number: H01L27/3276 , G09G3/3225 , G09G2300/0426 , H01L27/3279 , H01L51/5012 , H01L51/5228 , H01L51/56 , H01L2251/5315
Abstract: The present disclosure is related to a display substrate. The display substrate may include a plurality of pixel units. Each of the plurality of the pixel units may include a first electrode and a second electrode on a base substrate. At least one of the pixel units further comprises an auxiliary electrode and a connecting structure between the auxiliary electrode and the first electrode. The connecting structure may be configured to electrically connect the auxiliary electrode to the first electrode.
-
公开(公告)号：US10311775B2
公开(公告)日：2019-06-04
申请号：US15527793
申请日：2016-07-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu
Abstract: A display device includes a display panel and a control circuit board configured to provide a driving signal to the display panel. The display panel includes a plurality of pixel structures of which pixel structures arranged in one row are connected to one gate line. Pixel structures arranged in one column are connected to one data line. The control circuit board includes a driving chip, an end portion of each of the gate lines and an end portion of each of the data lines are respectively provided with panel pins. The control circuit board is provided with circuit board pins to be electrically connected with the panel pins, and connecting lines through which pins of the control circuit board are connected to the circuit board pins. A spacing between adjacent circuit board pins is larger than a spacing between adjacent pins of the driving chip connected with the circuit board pins.
-
-
-
-
-
-
-
-
-
Search Results
149
records
(took 0.021 seconds)
