公开(公告)号：US10825946B2

公开(公告)日：2020-11-03

申请号：US15755327

申请日：2017-07-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma

IPC: H01L31/108 ,  H01L31/0224

Abstract: The disclosure discloses a photoelectric detector and a photoelectric detection device, the photoelectric detector includes: a photosensitive active layer (100) including a first surface (1) and a second surface (2) opposite to each other; a first electrode (200) and a second electrode (300) located on the first surface (1) of the photosensitive active layer (100), and arranged spaced apart from each other; and a third electrode (400) located on the second surface (2) of the photosensitive active layer (100); where the first electrode (200) and the second electrode (300) respectively contact directly with the first surface (1) of the photosensitive active layer (100), and the third electrode (400) contacts directly with the second surface (2) of the photosensitive active layer (100). The photoelectric detector can improve the contrast between light current and dark current.

公开(公告)号：US10553632B2

公开(公告)日：2020-02-04

申请号：US15811960

申请日：2017-11-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhanjie Ma

IPC: H01L27/146

Abstract: The present disclosure provides a photoelectric detection device and a photoelectric detection apparatus. The photoelectric detection device includes a substrate, a reflective structure provided on the substrate and a photoelectric conversion layer provided on the reflective structure, and has a plurality of pixel regions and a plurality of interval regions each provided between two adjacent pixel regions. The photoelectric conversion layer includes a pixel photoelectric conversion portion in the pixel region; the reflective structure includes a pixel reflective portion in the pixel region and an interval reflective portion in the interval region, and the interval reflective portion is configured to reflect light directed to the interval reflective portion from the pixel photoelectric conversion portion back to the pixel photoelectric conversion portion.

公开(公告)号：US10467966B2

公开(公告)日：2019-11-05

申请号：US15214401

申请日：2016-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma

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

Abstract: According to the embodiments of the disclosure, a shift register and a method for driving the same, a gate driving circuit and a display apparatus may be provided. The shift register includes an input module, a node control module, a first output module and a second output module. The input module may control a potential at a first node via an input signal end and a first clock signal end, the node control module may configured to control the potential at a first node via a first control signal end and a DC signal end, the first output module may control the potential at a driving signal output end via a second control signal end and the DC signal end, and the second output module may maintain a voltage difference between the first node and the driving signal output end in a stable state when the first node is in a floating state and control the potential at the driving signal output end via the first node and the second clock signal end. By cooperating with each other, these four modules may achieve the outputs of scanning signals with a simpler structure and a fewer signal lines, so as to simplify the manufacturing process and reduce the production cost.

公开(公告)号：US10311783B2

公开(公告)日：2019-06-04

申请号：US15322135

申请日：2016-08-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma ,  Tuo Sun

IPC: G09G3/3233 ,  G09G3/3208 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32

Abstract: The present disclosure provides a pixel circuit, a method for driving the same, a display panel and a display device. The pixel circuit includes a writing module configured to write a signal from a data signal end into a first node, a switch module configured to electrically connected the first node to a second node, a power input module configured to input a signal from a first power signal end into the second node, a resetting module configured to output a signal from a reference signal end to a third node and a fourth node, a driving module configured to output a signal from the second node to the fourth node, and a first maintenance module configured to stabilize potentials at the first node and the second node through the signals from the first node and the second node.

公开(公告)号：US10262594B2

公开(公告)日：2019-04-16

申请号：US15519961

申请日：2016-08-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma

IPC: G09G3/3233 ,  G09G3/3258

Abstract: A pixel driver circuit includes a driving transistor, a first storage capacitor, a second storage capacitor, a threshold compensation unit, a data writing and a light-emitting control unit. The threshold compensation is configured to control the driving transistor to be turned on at a threshold compensation stage and discharge toward a resetting voltage line until the driving transistor is turned off. The data writing is configured to write a data voltage into a gate electrode of the driving transistor at a data writing stage. The light-emitting control is configured to enable the driving transistor to be turned on at a light-emitting stage, so as to drive a light-emitting element to emit light.

公开(公告)号：US10229639B2

公开(公告)日：2019-03-12

申请号：US15514821

申请日：2016-01-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma

IPC: G09G3/3291 ,  G09G3/32 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  H01L51/52

Abstract: The embodiments of the present disclosure relate to display technology and provide a pixel driving circuit and an associated driving method, a display panel and a display apparatus, capable of avoiding influence of a drifting threshold voltage of a driving transistor on a driving current of an active light emitting device. The pixel driving circuit comprises a compensating unit, a data writing unit, a driving unit, a first energy storage unit, a second energy storage unit and a display unit. The embodiments of the present disclosure are applicable to display manufacture.

公开(公告)号：US10109234B2

公开(公告)日：2018-10-23

申请号：US15511748

申请日：2016-04-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tuo Sun ,  Zhanjie Ma

IPC: G09G3/3233 ,  G09G3/3275

Abstract: Embodiments of the present disclosure provide a drive circuit and a drive method thereof, a display substrate and a drive method thereof, and a display device. The drive circuit comprises a conversion unit provided with a first input terminal, a second input terminal, a third input terminal, a fourth input terminal, and an output terminal, wherein the fourth input terminal is connected to a direct current power source, and wherein the output terminal is connected to a pixel circuit. The first input terminal is configured to input a voltage signal, the second input terminal is configured to input a first drive signal, the third input terminal is configured to input a second drive signal, and the output terminal is configured to output a current signal. The conversion unit converts the voltage signal output from the source drive unit into the current signal and the pixel circuit is driven by the current signal.

公开(公告)号：US10102919B2

公开(公告)日：2018-10-16

申请号：US15320534

申请日：2016-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhanjie Ma

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

Abstract: A shift register, a gate driving circuit and a display device are provided. The shift register includes an input module, a first control module, a second control module, a first output module, and a second output module. The shift register can control a time length of the scanning signal outputted from the driving signal output terminal only by changing a time length of the input signal without changing the clock signal or the circuit or the manufacturing process, and can reduce difficulty of the gate driving circuit and complexity of the manufacturing process as well as the cost.

公开(公告)号：US10097776B2

公开(公告)日：2018-10-09

申请号：US15667244

申请日：2017-08-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma

IPC: H04N5/359 ,  H04N5/355 ,  H04N5/3745 ,  H04N5/378

Abstract: The present disclosure provides a reading circuit, a driving method of the reading circuit and a photoelectric detector including the reading circuit. The reading circuit includes a reset sub-circuit, a readout sub-circuit, a driving sub-circuit and an integration sub-circuit. The reset sub-circuit is configured to reset voltages at the first node and the second node under the control of a reset signal inputted from the first signal terminal. The integration sub-circuit is configured to cause the first node and the second node to communicate with each other so as to change the voltages at the first node and the second node. The readout sub-circuit is configured to read out a current value in a case where the voltage at the first node controls the driving sub-circuit to be turned on, and output the current value through the fifth signal terminal.

公开(公告)号：US20180211716A1

公开(公告)日：2018-07-26

申请号：US15320534

申请日：2016-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhanjie Ma

IPC: G11C19/28 ,  G09G3/20

CPC classification number: G11C19/28 ,  G09G3/20 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A shift register, a gate driving circuit and a display device are provided. The shift register includes an input module, a first control module, a second control module, a first output module, and a second output module. The shift register can control a time length of the scanning signal outputted from the driving signal output terminal only by changing a time length of the input signal without changing the clock signal or the circuit or the manufacturing process, and can reduce difficulty of the gate driving circuit and complexity of the manufacturing process as well as the cost.