公开(公告)号：US20210201773A1

公开(公告)日：2021-07-01

申请号：US17255523

申请日：2020-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni LIU ,  Minghua XUAN

IPC: G09G3/32

Abstract: The present disclosure provides a pixel circuit including: a reset circuit, a threshold compensation circuit, a data writing circuit, a light emitting control circuit and a driving transistor, where the reset circuit, the threshold compensation circuit, the data writing circuit and a control electrode of the driving transistor are coupled to a control node; the reset circuit is configured to write a reset voltage to the control node; the threshold compensation circuit is configured to perform threshold compensation on the driving transistor; the data writing circuit is configured to charge the control node according to a data voltage; the light emitting control circuit is configured to control a second electrode of the driving transistor to be electrically coupled to or decoupled from a first electrode of the light emitting element; the driving transistor is configured to output a corresponding driving current according to a voltage at the control node.

公开(公告)号：US20210166627A1

公开(公告)日：2021-06-03

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 ,  G09G3/3291 ,  G09G3/3266

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：US20210097908A1

公开(公告)日：2021-04-01

申请号：US16942218

申请日：2020-07-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengnan LI ,  Wei QIN ,  Tieshi WANG ,  Weixing LIU ,  Dongni LIU

IPC: G09G3/00 ,  G09G3/32 ,  G01R31/52

Abstract: The present disclosure provides a light emitting control circuit, an array substrate and a display device, and a driving method of the light emitting control circuit. The light emitting control circuit includes: a light emitting device; a driving circuit including a driving switch device configured to drive the light emitting device to emit light when the driving switch device is turned on; a detection circuit, configured to detect whether the light emitting device is short-circuited in the detection stage of the light emitting control circuit; if the light emitting device is short-circuited, the driving switch device is turned off in the light emitting stage of the light emitting control circuit; if the light emitting device is not short-circuited, the driving switch device is turned on in the light emitting stage of the light emitting control circuit.

公开(公告)号：US20210028409A1

公开(公告)日：2021-01-28

申请号：US16613836

申请日：2019-05-08

Applicant: BOE Technology Group Co,, Ltd.

Inventor： Liang CHEN ,  Lei WANG ,  Xiaochuan CHEN ,  Minghua XUAN ,  Dongni LIU ,  Li XIAO ,  Ming YANG ,  Han YUE ,  Shengji YANG

IPC: H01L51/56 ,  G06F3/041 ,  H01L27/32

Abstract: This disclosure discloses a display panel, a method for fabricating the same, and a display device. The method includes: forming a pattern of an electrode lead line layer on a substrate; forming connection structures on the pattern of the electrode lead line layer; forming a pattern of an intermediate layer including a light-emitting function layer on the connection structures and the light-emitting areas; forming a pattern of cathodes on the pattern of the intermediate layer; and irradiating the connection structures using laser from a side of the substrate so that the material of the connection structures is melt, and forming through-holes at positions on the intermediate layer corresponding to the connection structures so that the melted material is connected with the cathodes through the through-holes.

公开(公告)号：US20200019003A1

公开(公告)日：2020-01-16

申请号：US16406714

申请日：2019-05-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao ZHAO ,  Dongni LIU ,  Li XIAO ,  Lei WANG ,  Minghua XUAN ,  Xiaochuan CHEN

IPC: G02F1/1339 ,  G02F1/1333

Abstract: The present disclosure provides a display device, a method for manufacturing the display device and a sealant. The display device includes a first substrate, a second substrate arranged opposite to the first substrate, and the sealant configured to seal the first substrate and the second substrate. The sealant includes a colloid and a plurality of magnetic particles arranged in the colloid, and each magnetic particle includes a supporting core and a magnetic layer enclosing an outer surface of the supporting core. A magnetic field force pointing toward the first substrate or the second substrate is applied to each magnetic particle under the effect of an external magnetic field.

公开(公告)号：US20190355305A1

公开(公告)日：2019-11-21

申请号：US16096138

申请日：2018-04-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Minghua XUAN ,  Lei WANG ,  Dongni LIU ,  Li XIAO ,  Jie FU ,  Pengcheng LU

IPC: G09G3/3258

Abstract: A pixel circuit, a driving method, a display panel and a display device. The pixel circuit includes: at least two pixel sub-circuits, a data line, a first scan line, a second scan line, a third scan line and a light-emitting control line. The pixel sub-circuit includes: a light-emitting control sub-circuit, a node reset sub-circuit, a drive control sub-circuit, a write sub-circuit and a light emitting device. The light-emitting control sub-circuit is configured to provide a signal provided by the first voltage signal end to a first node; the node reset sub-circuit is configured to form a conductive path between the first node and a second node; the write sub-circuit is configured to write a data signal provided by the data signal end and a threshold voltage to the second node; and the drive control sub-circuit is configured to drive the light emitting device to emit light.

公开(公告)号：US20190267431A1

公开(公告)日：2019-08-29

申请号：US16301894

申请日：2018-05-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji YANG ,  Xue DONG ,  Xiaochuan CHEN ,  Minghua XUAN ,  Lei WANG ,  Pengcheng LU ,  Li XIAO ,  Dongni LIU ,  Jing YU

IPC: H01L27/32 ,  H01L51/52 ,  G06F3/041

Abstract: A touch panel, a method for fabricating the same, and a display device are provided. The touch panel includes: a base substrate, a plurality of touch electrode lines, a plurality of cathodes arranged in a matrix, and a plurality of spacers, where each cathode corresponds to at least one of the touch electrode lines, and each spacer includes a first photo spacer and a second photo spacer stacked successively; each touch electrode line includes a first lead part and a second lead part, wherein the first lead part is electrically connected with corresponding one of the cathodes, and the second lead part is configured to electrically connect the first lead part with a corresponding pin on a touch integrated circuit; and the first lead part at least covers the surface of the first photo spacer.

公开(公告)号：US20180357960A1

公开(公告)日：2018-12-13

申请号：US15562513

申请日：2017-03-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Dongni LIU ,  Lei WANG ,  Li XIAO ,  Han YUE ,  Pengcheng LU ,  Jie FU ,  Yingming LIU ,  Can ZHANG

IPC: G09G3/3258 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3208 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/043

Abstract: A compensation pixel circuit, a display panel, a display apparatus, a regional compensation method and a driving method are provided. The compensation pixel circuit includes a compensation driving circuit and a signal acquiring circuit connected with the compensation driving circuit. The compensation driving circuit includes a driving transistor and an organic light-emitting diode. The compensation driving circuit is configured to receive a light-emitting data signal, compensate a threshold voltage of the driving transistor, and drive the organic light-emitting diode to illuminate in accordance with the light-emitting data signal. The signal acquiring circuit is configured to acquire a gate voltage of the driving transistor.

公开(公告)号：US20180350310A1

公开(公告)日：2018-12-06

申请号：US15571942

申请日：2017-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Lei WANG ,  Jie FU ,  Pengcheng LU ,  Han YUE

IPC: G09G3/34 ,  G09G3/3208 ,  G09G3/36

CPC classification number: G09G3/3413 ,  G09G3/3208 ,  G09G3/36 ,  H01L27/3227

Abstract: A display device and a method for controlling brightness of the display device. The display device may includes a first substrate and a second substrate arranged opposite to each other; a reflecting member disposed on a side of the first substrate near the second substrate; a light intensity detector disposed on a side of the second substrate near the first substrate and configured to sense light intensity of light reflected by the reflecting member; and a controller electrically coupled to the light intensity detector and configured to control brightness of the display device according to the light intensity sensed by the light intensity detector. By means of the display device and the method for controlling brightness of the display device, brightness of the display device can be better controlled so as to improve display quality.

公开(公告)号：US20180197767A1

公开(公告)日：2018-07-12

申请号：US15686360

申请日：2017-08-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： HAN YUE ,  Dongni LIU ,  Xiaochuan CHEN ,  Shengji YANG ,  Lei WANG ,  Jie FU ,  Pengcheng LU ,  Li Xiao

IPC: H01L21/687 ,  B25J15/00 ,  B65G61/00

CPC classification number: H05K13/0404 ,  B25J7/00 ,  B25J15/0014 ,  B25J15/0028 ,  B25J15/0052 ,  B25J15/0206 ,  B25J15/10 ,  B25J15/12 ,  B65G47/907 ,  B65G61/00 ,  H01L21/687 ,  H01L21/68707 ,  H01L21/68728

Abstract: A transfer apparatus and a transfer method are provided. The transfer apparatus includes a transfer substrate; and a plurality of gripping members arranged in an array and disposed on the transfer substrate. Each gripping member includes at least two gripping arms each of which has a first end disposed on the transfer substrate, and gripping legs connected with second ends of the gripping arms and configured to switch between a gripping position and a released position.