公开(公告)号：US20210358387A1

公开(公告)日：2021-11-18

申请号：US16467135

申请日：2018-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Han Yue ,  Ning Cong ,  Xiaochuan Chen ,  Lei Wang

IPC: G09G3/32 ,  G09G3/20

Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include at least one light emitting circuit. One of the at least one light emitting circuit may include an input sub-circuit, a latch sub-circuit, and an output sub-circuit. The input sub-circuit may be configured to transmit a signal at a data voltage terminal to the latch sub-circuit. The latch sub-circuit may be configured to generate a control signal in accordance with the signal at the data voltage terminal and store the control signal. The output sub-circuit may be configured to transmit one of a signal at a first voltage terminal and a signal at a second voltage terminal to a light emitting unit under control of the control signal.

公开(公告)号：US11170716B2

公开(公告)日：2021-11-09

申请号：US15775431

申请日：2017-11-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Xiaochuan Chen ,  Minghua Xuan ,  Shengji Yang ,  Jie Fu ,  Lei Wang ,  Dongni Liu ,  Pengcheng Lu ,  Han Yue

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

Abstract: A pixel circuit includes a light emitting element; a first switch transistor connected in series with the light emitting element between a first supply voltage terminal and a second supply voltage terminal, the first switch transistor including a gate electrode connected to a first node; and a storage circuit coupled to the first node and a reference voltage terminal for receiving a reference voltage, the storage circuit being configured to store the reference voltage in the storage circuit in response to an active signal on a scan line during a write phase, and to supply the stored reference voltage to the first node during a light emission phase in response to an active data signal on a data line to achieve light emission of the light emitting element, the active data signal having a duration indicating a magnitude of image data for the pixel circuit.

公开(公告)号：US10977984B2

公开(公告)日：2021-04-13

申请号：US16448913

申请日：2019-06-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Han Yue ,  Ming Yang ,  Ning Cong ,  Xiaochuan Chen

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/3225 ,  G09G3/3208 ,  G09G3/20

Abstract: The present application provides a pixel circuit and a method for driving the same, a display panel and a video wall. The pixel circuit includes a light emitting diode having a first electrode configured to receive a first power supply voltage and a second electrode configured to receive a second power supply voltage; and a switching sub-circuit having a first terminal electrically coupled to a display signal terminal, a second terminal electrically coupled to the second electrode of the light emitting diode and a control terminal electrically coupled to a scan signal terminal, and configured to control an emission state of the light emitting diode based on a display signal provided from the display signal terminal, in response to a scan signal provided from the scan signal terminal. The emission state varies based on a magnitude and a duration of an effective voltage level of the display signal.

公开(公告)号：US10916618B2

公开(公告)日：2021-02-09

申请号：US16413040

申请日：2019-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Xiaochuan Chen ,  Han Yue ,  Ning Cong

IPC: H01L27/32 ,  H01L27/12 ,  H01L27/15 ,  H01L51/56

Abstract: The present disclosure relates to an array substrate and a method for repairing an array substrate. The array substrate includes: a plurality of sub-pixels located on a substrate, each sub-pixel including a driving transistor and a light emitting device, a control electrode of the driving transistor being coupled to a data signal terminal and a first electrode of the driving transistor being coupled to a first voltage terminal, the light emitting device being connected in series between a second electrode of the driving transistor and a second voltage terminal, the sub-pixels including a first sub-pixel and a second sub-pixel adjacent to the first sub-pixel that emits light of the same color as that of the first sub-pixel; and a first repairing line insulated from and intersecting with a connection line between the light emitting device and the second electrode of the driving transistor of the first sub-pixel and a connection line between the light emitting device and the second electrode of the driving transistor of the second sub-pixel.

公开(公告)号：US10909925B2

公开(公告)日：2021-02-02

申请号：US15751300

申请日：2017-07-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Xiaochuan Chen ,  Shengji Yang ,  Dongni Liu ,  Lei Wang ,  Li Xiao ,  Pengcheng Lu ,  Jie Fu

IPC: G09G3/3258

Abstract: A pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a light emitting element, a driving circuit and a compensation voltage acquisition circuit. The driving circuit is configured to drive the light emitting element to emit light; and the compensation voltage acquisition circuit is configured to obtain a compensation voltage based on luminance of the light emitting element, and the compensation voltage can be provided to the driving circuit.

公开(公告)号：US10811569B2

公开(公告)日：2020-10-20

申请号：US16440115

申请日：2019-06-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Wang ,  Can Zhang ,  Han Yue ,  Ming Yang ,  Ning Cong ,  Minghua Xuan ,  Xiaochuan Chen

IPC: H01L33/46 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40

Abstract: An inorganic light-emitting diode display panel and manufacturing method thereof and a display device are provided. The inorganic light-emitting diode display panel includes: a base substrate; a microcavity structure and an inorganic light-emitting diode which are disposed on the base substrate. The microcavity structure includes a reflective layer, a semi-reflective layer and a dielectric layer located between the reflective layer and the semi-reflective layer; the inorganic light-emitting diode includes a light-emitting layer, and the light-emitting layer is located in the dielectric layer; and a distance between the reflective layer and the semi-reflective layer is in a same order of magnitude as a wavelength of light emitted by the inorganic light-emitting diode.

公开(公告)号：US10797241B1

公开(公告)日：2020-10-06

申请号：US16814101

申请日：2020-03-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Angran Zhang ,  Can Zhang ,  Can Wang ,  Minghua Xuan ,  Han Yue ,  Ning Cong ,  Jiao Zhao ,  Ming Yang ,  Xiaochuan Chen

IPC: H01L51/00 ,  H01L51/56 ,  H01L27/32 ,  H01L27/20

Abstract: The present disclosure relates to an array substrate and a method for manufacturing the same, a display panel, and a display equipment. The array substrate includes a piezoelectric substrate, a pixel defining layer disposed on the piezoelectric substrate and formed with an opening region, and interdigital electrodes disposed oppositely at two sides of the pixel defining layer on the piezoelectric substrate and fitted on the piezoelectric substrate to form an acoustic surface standing wave including an antinodal point and a nodal point. The position of the antinodal point corresponds to the position of the opening region while the position of the nodal point corresponds to the position of the pixel defining layer. In the array substrate provided by the present disclosure, when a light emitting unit is formed in the opening region by a gas jet printing equipment, a gas material can be prevented from diffusing into adjacent opening regions.

公开(公告)号：US20200234639A1

公开(公告)日：2020-07-23

申请号：US15757404

申请日：2017-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dingni Liu ,  Lei Wang ,  Li Xiao ,  Pengcheng Lu ,  Jie Fu ,  Han Yue

IPC: G09G3/3233

Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method thereof and a display apparatus. The pixel sub-circuit comprises a resetting sub-circuit is configured to control potentials of a first node and a second node according to inputting signals of a first signal terminal and a second signal terminal; a charging sub-circuit is configured to control a potential of the second node according to an inputting signal of a third signal terminal; a compensating sub-circuit configured to control the potentials of the first node and a third node according to inputting signals of a fourth and a fifth signal terminals and a potential of the second node; an outputting sub-circuit configured to control outputting signals of the first terminal of the light emitting device and a reading terminal according to the inputting signal of a sixth and a seventh signal terminals and a potential of the third node.

公开(公告)号：US20200228744A1

公开(公告)日：2020-07-16

申请号：US15758127

申请日：2017-06-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dongni Liu ,  Lei Wang ,  Pengcheng Lu ,  Jie Fu ,  Han Yue ,  Li Xiao

IPC: H04N5/3745 ,  H04N5/378 ,  H04N5/351

Abstract: A pixel sensing circuit and driving method therefor, an image sensor, and an electronic device are provided. The pixel sensing circuit includes a photoelectric conversion element configured to generate electric charges in response to incident light, a transmission element configured to output the electric charges generated by the photoelectric conversion element, and a source follower circuit configured to compensate an output current of the transmission element. The source follower circuit includes a first source follower transistor, a second source follower transistor, and a first storage capacitor.

公开(公告)号：US10657887B2

公开(公告)日：2020-05-19

申请号：US15778047

申请日：2017-09-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Lei Wang ,  Dongni Liu ,  Jie Fu ,  Li Xiao ,  Han Yue ,  Jian Gao ,  Changfeng Li

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/00 ,  G09G3/3291

Abstract: Embodiments of the present disclosure provide a protection circuit and method, a pixel circuit, and a display device. The protection circuit comprises a determination circuit, a first coupling circuit, a first terminal and a second terminal. The determination circuit is coupled to the first terminal and the first coupling circuit, and is configured to determine whether the voltage at the first terminal of the protection circuit belongs to one of a first predetermined range and a second predetermined range. The first coupling circuit is coupled to the first terminal, the second terminal and the determination circuit, and is configured to: couple the first terminal to the second terminal in response to the voltage at the first terminal belonging to the first predetermined range; and decouple the first terminal from the second terminal in response to the voltage at the first terminal belonging to the second predetermined range.