公开(公告)号：US20210174746A1

公开(公告)日：2021-06-10

申请号：US17178841

申请日：2021-02-18

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi ZHANG ,  Kai Zhang ,  Minghua Xuan ,  Young Yik Ko ,  Lujiang Huangfu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel circuit, a display panel, a display device, and a driving method. The pixel circuit includes a light emitting element, a driving transistor, a light emitting control circuit, a reset circuit, a threshold compensation circuit, a first data write circuit, and an initializing circuit. The reset circuit includes a first transistor, the first data write circuit includes a third transistor, and a channel length-width ratio of the first transistor is greater than a channel length-width ratio of the third transistor.

公开(公告)号：US10943955B2

公开(公告)日：2021-03-09

申请号：US16492930

申请日：2018-12-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongli Wang ,  Lujiang Huangfu

IPC: H01L27/32

Abstract: A pixel arrangement structure, a display substrate, a display device, and a mask plate set are provided. In the pixel arrangement structure, a first virtual rectangle includes one first color sub-pixel block, one second color sub-pixel block, and one third color sub-pixel block, the first virtual rectangle includes a first edge and a second edge; a distance between the second color sub-pixel block and the first edge and a distance between the third color sub-pixel block and the first edge are both smaller than a distance between the first color sub-pixel block and the first edge; and a center of the first color sub-pixel block is located on the perpendicular bisector of the first edge and a distance between the center of the first color sub-pixel block and the first edge is approximately ½ to ¾ of a length of the second edge.

公开(公告)号：US10692434B2

公开(公告)日：2020-06-23

申请号：US15569243

申请日：2017-04-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.

Inventor： Yi Zhang ,  Kai Zhang ,  Minghua Xuan ,  Young Yik Ko ,  Lujiang Huangfu

IPC: G09G3/3258 ,  G09G3/3208 ,  G09G3/3233

Abstract: A pixel circuit, a display panel, a display device and a driving method. The pixel circuit includes a storage capacitor, an organic light emitting diode, a driving transistor, an emission control circuit, a reset circuit, a threshold compensation circuit, a first data write circuit, a reference voltage write circuit, and an initializing circuit.

公开(公告)号：US20200168692A1

公开(公告)日：2020-05-28

申请号：US16630496

申请日：2018-12-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Libin Liu ,  Qian Yang ,  Hongli Wang ,  Lujiang Huangfu

IPC: H01L27/32

Abstract: A display substrate and a display device are disclosed. The display substrate (10) includes a plurality of repeating units (100), a plurality of primary signal lines (21) and an auxiliary signal line (22). Each of the repeating units (100) includes a first sub-pixel (R1), a second sub-pixel (B1) and two third sub-pixels (G1, G2). The two third sub-pixels (G1, G2) are located between two adjacent primary signal lines (21). In each of the repeating units (100), the first sub-pixel (R1) and the second sub-pixel (B1) are arranged in a first direction (X), and the two third sub-pixels (G1, G2) are arranged in a second direction (Y). The first direction (X) and the second direction (Y) are different directions. At least one auxiliary signal line (22) is disposed between the two adjacent primary signal lines (21). Two ends of the auxiliary signal line (22) are respectively connected to the two adjacent primary signal lines (21). The two third sub-pixels (G1, G2) are respectively located on two sides of the auxiliary signal line (22).

公开(公告)号：US10304856B2

公开(公告)日：2019-05-28

申请号：US15529963

申请日：2016-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zuqiang Wang ,  Yuqing Yang ,  Lujiang Huangfu

IPC: H01L27/12 ,  H01L21/77 ,  H01L23/31 ,  H01L23/00

Abstract: Embodiments of the present invention provides an array substrate. The array substrate includes a display region and a packaging region. The packaging region includes a plurality of functional layers. And the packaging region further includes: a plurality of through holes running through at least one of the plurality of functional layers and configured to allow a packaging adhesive to enter therein; and a groove formed above at least some of the through holes, wherein, projection areas of the at least some of the through holes onto a base substrate of the array substrate are located within a projection area of the groove onto the base substrate. Embodiments of the present invention further provides a display panel and a display apparatus including the abovementioned array substrate, and a method of manufacturing the abovementioned array substrate.

公开(公告)号：US10249763B2

公开(公告)日：2019-04-02

申请号：US15528215

申请日：2016-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zheng Liu ,  Xiaolong Li ,  Yueping Zuo ,  Lujiang Huangfu

IPC: H01L29/786 ,  H01L29/66

Abstract: A semiconductor device, an array substrate, and a display device, and their fabrication methods are provided. An exemplary semiconductor device includes a first electrode, an insulating layer, and a second electrode, over a substrate. A conductive layer is on the insulating layer. A semiconductor layer is on the first electrode, on a first sidewall of the insulating layer, on the conductive layer, on the second sidewall of the insulating layer, and on the second electrode. A first gate electrode is over a portion of the semiconductor layer that is on the first sidewall of the insulating layer. A second gate electrode is over a portion of the semiconductor layer that is on the second sidewall of the insulating layer.

公开(公告)号：US09947902B2

公开(公告)日：2018-04-17

申请号：US14555777

申请日：2014-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Lujiang Huangfu

IPC: G09G3/32 ,  H01L51/56 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/56 ,  H01L27/3211 ,  H01L27/3218 ,  H01L27/3276

Abstract: The present invention provides a prefabricated substrate of array substrate, a vapor deposition method, an array substrate and a display apparatus, which can solve a problem that there is a waste of material in a vapor deposition process of the prior art. The prefabricated substrate comprises a plurality of sub-pixel units, each sub-pixel unit comprising a drive unit and a sub-pixel electrode connected with the drive unit, wherein, the drive unit is also connected with a data line and a gate line, and is used for transferring a data voltage signal outputted from the data line to the sub-pixel electrode when the gate line is strobed. The sub-pixel unit further comprises a switch unit connected with the data line and the sub-pixel electrode The switch unit is used for adjusting voltage of the sub-pixel electrode under control of a switch signal outputted from a switch signal line.

公开(公告)号：US20180066351A1

公开(公告)日：2018-03-08

申请号：US15322790

申请日：2016-03-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yinan Liang ,  Lujiang Huangfu

IPC: C23C14/04 ,  C23C14/54

CPC classification number: C23C14/042 ,  C23C14/24 ,  C23C14/54 ,  C23C14/545 ,  H01L51/00

Abstract: There is disclosed an evaporation method, including: evaporating evaporation material and forming evaporation material particles towards one or more transfer substrates by means of an evaporation source, so as to form an intermediate material layer on a surface of the transfer substrate; heating the one or more transfer substrates to evaporate the intermediate material layer located on the transfer substrate towards a target substrate, a temperature of the heated transfer substrate being less than a temperature of the evaporation source. There is further disclosed an evaporation device.

公开(公告)号：US09887213B2

公开(公告)日：2018-02-06

申请号：US15125786

申请日：2015-08-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Zuqiang Wang ,  Chien Hung Liu ,  Yu Cheng Chan ,  Lujiang Huangfu

IPC: H01L21/02 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L27/1222 ,  H01L21/02675 ,  H01L27/1281 ,  H01L29/66757 ,  H01L29/78675

Abstract: The present disclosure provides a method for forming an active layer with a pattern. The method includes forming an amorphous silicon layer and forming a function layer on the amorphous silicon layer. The function layer has a same pattern as the active layer. The method further includes performing a crystallization process for converting the amorphous silicon layer to a poly-silicon layer. The poly-silicon layer has first portions covered by the function layer and second portions not covered by the function layer, and grain sizes of the poly-silicon in the first portions are larger than grain sizes of the poly-silicon in the second portions.

公开(公告)号：US09741782B2

公开(公告)日：2017-08-22

申请号：US15057579

申请日：2016-03-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma ,  Lujiang Huangfu

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3276 ,  H01L27/3248 ,  H01L27/3288 ,  H01L51/52 ,  H01L51/5228 ,  H01L51/524 ,  H01L2251/533

Abstract: An AMOLED comprises a plurality of pixel structures arranged in a matrix and one layer of power supply signal electrode configured to provide a power supply voltage signal for the pixel structures, and the power supply signal electrode has a planar structure. The planar power supply signal electrode can greatly reduce its resistance and hence can reduce the IR drop of power supply voltage signals that are transmitted over the power supply signal electrode, effectively reduce the impact of the IR drop on the display effect, and remarkably reduce the power consumption of a panel.