公开(公告)号：US20210217352A1

公开(公告)日：2021-07-15

申请号：US16638427

申请日：2018-11-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Li Xiao ,  Lei Wang ,  Xiaochuan Chen ,  Detao Zhao ,  Dongni Liu ,  Liang Chen

IPC: G09G3/32

Abstract: The present application discloses display-driving circuit for multiple rows of pixels in a column of a display panel. The display-driving circuit includes a compensation sub-circuit comprising a driving transistor, a data-input transistor, a drive-control transistor, a reset transistor, and a capacitor. The compensation sub-circuit is configured to compensate a drift of a threshold voltage of the driving transistor to drive light emission of multiple light-emitting diodes associated with respective multiple rows of pixels in the column. The display-driving circuit further includes multiple first emission-control transistors coupled in parallel between a high-voltage supply and a source electrode of the driving transistor and multiple second emission-control transistors respectively coupled between a drain electrode of the driving transistor and respective anodes of the multiple light-emitting diodes, and respectively turned on in different ones of multiple portions of one cycle time for displaying one frame of image.

公开(公告)号：US10901544B2

公开(公告)日：2021-01-26

申请号：US16250504

申请日：2019-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lei Wang ,  Shengji Yang ,  Minghua Xuan ,  Li Xiao ,  Pengcheng Lu ,  Dongni Liu

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32

Abstract: A display substrate includes a substrate, a plurality of electrode leads disposed on the substrate, and a plurality of electrodes electrically disconnected with each other disposed on the substrate. Each electrode is in direct contact with one or more of the plurality of electrode leads, and a thickness of each electrode lead is greater than a thickness of a corresponding electrode. At least one of the plurality of electrode leads is respectively provided with at least one gap, and each gap is configured to electrically disconnect one of the plurality of electrodes that is in direct contact with a corresponding electrode lead from another one of the plurality of electrodes that is adjacent to the corresponding electrode lead.

公开(公告)号：US10885846B2

公开(公告)日：2021-01-05

申请号：US16096035

申请日：2018-04-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Shengji Yang ,  Pengcheng Lu ,  Jie Fu ,  Lei Wang ,  Li Xiao

IPC: G09G3/3258

Abstract: The present disclosure relates to a pixel driving circuit, a display device and a driving method. The pixel driving circuit is configured to control on and off of a pixel unit, and includes: a first control sub-circuit, a first output sub-circuit, a second control sub-circuit, a second output sub-circuit, a third control sub-circuit, and a fourth control sub-circuit. Specifically, the fourth control sub-circuit is configured, if turned on, to cause a voltage drop of the first level signal input at the first level signal input terminal and to output the first level signal with the voltage drop to the third control node, such that a voltage at the third control node is less than or equal to a voltage at the first control node, thereby maintaining the third control sub-circuit off.

公开(公告)号：US10784218B2

公开(公告)日：2020-09-22

申请号：US16317658

申请日：2018-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L23/00 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1345

Abstract: The present disclosure provides a display apparatus and a manufacturing method thereof. The display apparatus includes a silicon substrate, a plurality of metal data interfaces disposed on the silicon substrate, and a plurality of conductive patterns covering upper surfaces of the metal data interfaces respectively. The plurality of the conductive patterns is formed by enabling a semiconductor material to be conductive and the plurality of conductive patterns are not contacted with each other.

公开(公告)号：US10665167B2

公开(公告)日：2020-05-26

申请号：US15769277

申请日：2017-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/00 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32

Abstract: A pixel circuit and a driving method, a display device. The pixel circuit includes: a main driving circuit, configured to, under control of a scanning signal line and a data signal line, output a main driving current signal to a fusing circuit; the fusing circuit configured to enable a light emitting circuit and the main driving circuit to be disconnected from each other; a fusing control circuit configured to, under control of a signal input terminal, enable the light emitting circuit and the main driving circuit to be disconnected from each other; a standby driving circuit configured to output a standby driving current signal to a switching circuit; the switching circuit configured to, under control of an input signal of a control line, connect the standby driving circuit to the light emitting circuit; and the light emitting circuit configured to emit light by using the standby driving current signal.

公开(公告)号：US10663789B2

公开(公告)日：2020-05-26

申请号：US16199720

申请日：2018-11-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Lei Wang ,  Minghua Xuan ,  Li Xiao ,  Detao Zhao ,  Liang Chen

IPC: G02F1/1335 ,  G02F1/1362

Abstract: The disclosure discloses a lens substrate, a liquid crystal lens, and a liquid crystal glasses, where first annular electrodes and second annular electrodes of the lens substrate are arranged concentric with each other, and orthographic projections of the first annular electrodes onto a base substrate and orthographic projections of the second annular electrodes onto the base substrate are arranged alternately; where first wirings are electrically connected with the second annular electrodes through first via holes, and at least a first annular electrode adjacent to a part of the first via holes includes a place-giving pattern in an area corresponding to the part of the first via holes, and a smallest spacing between the place-giving pattern and its corresponding first via hole is no less than a preset distance.

公开(公告)号：US10560647B2

公开(公告)日：2020-02-11

申请号：US15780747

申请日：2017-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H04N5/357 ,  H01L27/146 ,  H04N5/3745 ,  H01L27/02 ,  H04N5/374

Abstract: A driving circuit and a driving method, an active pixel sensor, an image sensor, and an electronic device. The driving circuit includes: a reset circuit, a photoelectric sensing circuit, a signal forming circuit, a signal conversion circuit, and a signal output circuit. The reset circuit resets the photoelectric sensing circuit and the signal forming circuit; the photoelectric sensing circuit performs photoelectric conversion on incident light irradiation to form a photoelectric voltage signal; the signal forming circuit transmits the photoelectric voltage signal to the signal conversion circuit, and transmits a compensated photoelectric voltage signal to the signal conversion circuit; the signal output circuit transmits a second voltage to the signal conversion circuit and the signal forming circuit and outputs a photoelectric current signal; the signal conversion circuit forms the compensated photoelectric voltage signal and outputs the photoelectric current signal to signal output circuit.

公开(公告)号：US10553670B2

公开(公告)日：2020-02-04

申请号：US16301759

申请日：2018-03-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L27/32

Abstract: The present disclosure provides a pixel circuit structure and a display device using the same. The pixel circuit structure includes: a metal light shielding layer; at least one buffer layer formed on the metal light shielding layer; a thin film transistor formed on the at least one buffer layer; an insulating layer formed on a gate of the thin film transistor; and a second gate, formed on the insulating layer, forming a storage capacitance with the gate, and electrically coupled to a power line of the thin film transistor, wherein the metal light shielding layer is electrically coupled to the power line of the thin film transistor.

公开(公告)号：US10535726B2

公开(公告)日：2020-01-14

申请号：US15773057

申请日：2017-11-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L27/32 ,  H01L51/52

Abstract: There are disclosed an organic light-emitting diode display panel, a method for fabricating the same, and a display device above, and the organic light-emitting diode display panel includes: an underlying substrate, a plurality of pixel elements arranged on the underlying substrate, pixel driving circuits electrically coupled to respective pixel elements, and a plurality of signal lines electrically coupled to the pixel driving circuits; and the organic light-emitting diode display panel further includes a resistance reducing electrode arranged at a different layer from, and connected in parallel with at least one signal line. Since the resistance reducing electrode is connected in parallel with the signal lines, resistances of the respective signal lines can be reduced to thereby lower a signal load on the respective signal lines so as to improve the display quality of the organic light-emitting diode display panel.

公开(公告)号：US20190140043A1

公开(公告)日：2019-05-09

申请号：US15773057

申请日：2017-11-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L27/32 ,  H01L51/52

Abstract: There are disclosed an organic light-emitting diode display panel, a method for fabricating the same, and a display device above, and the organic light-emitting diode display panel includes: an underlying substrate, a plurality of pixel elements arranged on the underlying substrate, pixel driving circuits electrically coupled to respective pixel elements, and a plurality of signal lines electrically coupled to the pixel driving circuits; and the organic light-emitting diode display panel further includes a resistance reducing electrode arranged at a different layer from, and connected in parallel with at least one signal line. Since the resistance reducing electrode is connected in parallel with the signal lines, resistances of the respective signal lines can be reduced to thereby lower a signal load on the respective signal lines so as to improve the display quality of the organic light-emitting diode display panel.