公开(公告)号：US11380876B2

公开(公告)日：2022-07-05

申请号：US16563214

申请日：2019-09-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Dong Li ,  Ming Liu ,  Zheng Liu ,  Chunyang Wang

IPC: H01L51/52 ,  H01L27/32

Abstract: The disclosure provides a display substrate, a method for manufacturing the same and a display device, belonging to the display technology field, to solve the problem that ultraviolet irradiation has an adverse effect on the service life of existing OLED devices. The display substrate disclosed herein includes a light processing layer which comprising a condensed-ring conjugated polymer. The light processing layer can protect the display parts below it and prevent the display parts from being exposed to ambient light and reducing their service life.

公开(公告)号：US11328669B2

公开(公告)日：2022-05-10

申请号：US16835479

申请日：2020-03-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Qin ,  Xiaolong Li ,  Kuanjun Peng ,  Chunfang Zhang ,  Zhiqiang Xu ,  Yanan Niu

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: Embodiments of the present disclosure provide a pixel driving circuit and a driving method thereof, a display panel and a display device. The pixel driving circuit includes: a driving sub-circuit, coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal, and a first terminal of a light-emitting element, and configured to be able to output a first voltage signal from the first voltage signal terminal to the light-emitting element under the control of a scanning signal from the scanning signal terminal, a data signal from the data signal terminal, and a light-emitting control signal from the light-emitting control signal terminal; and an electrostatic discharge sub-circuit, coupled to a second voltage signal terminal and the first terminal of the light-emitting element, and configured to be able to conduct static electricity to the second voltage signal terminal in response to the static electricity generated at the first terminal of the light-emitting element.

公开(公告)号：US11171159B2

公开(公告)日：2021-11-09

申请号：US16630657

申请日：2019-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Niu ,  Jiushi Wang ,  Lei Chen ,  Hongwei Tian ,  Zhanfeng Cao ,  Feng Guan ,  Feng Zhang ,  Shi Shu ,  Kuanjun Peng ,  Yichi Zhang ,  Qi Qi

IPC: H01L21/00 ,  H01L27/00 ,  H01L29/00 ,  H01L27/12 ,  H01L21/02 ,  H01L29/66 ,  H01L29/786 ,  H01L27/32

Abstract: The present disclosure provides a display backplane and a method for manufacturing the same, a display panel, and a display device. The display backplane includes: a substrate; a first thin film transistor located on one side of the substrate; and a second thin film transistor located on the one side of the substrate, wherein: the first thin film transistor comprises a first active layer, the second thin film transistor comprises a second active layer, wherein the first active layer and the second active layer are located in a same layer, and a material of the first active layer is different from that of the second active layer.

公开(公告)号：US20210185803A1

公开(公告)日：2021-06-17

申请号：US16810016

申请日：2020-03-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Bin Qin ,  Jintao Peng ,  Yanan Niu ,  Jinyu Ren ,  Fangzhen Zhang ,  Kuanjun Peng

IPC: H05K1/02

Abstract: Embodiments of the present disclosure provide a display substrate, a display device, and a method for manufacturing a display substrate. The display substrate includes: a plurality of bearing parts for supporting display assemblies; and a connecting beam located between two bearing parts and connected to the two bearing parts. The connecting beam includes at least one stretchable portion with a hollow portion provided inside the stretchable portion, so that the stretchable portion is deformable in a first direction and a second direction, and the second direction is perpendicular to the first direction.

公开(公告)号：US20210134196A1

公开(公告)日：2021-05-06

申请号：US16639108

申请日：2019-03-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanan Niu ,  Lei Chen ,  Zhongyuan Sun ,  Hongwei Tian ,  Wei Huang ,  Zhiqiang Jiao ,  Kuanjun Peng ,  Yichi Zhang ,  Jintao Peng ,  Jing Niu ,  Tingting Zhou

IPC: G09G3/00 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A flexible display panel includes a plurality of light-emitting regions separated from each other, a respective one of the plurality of light-emitting regions including a light emitting element and an encapsulating structure encapsulating the light emitting element; and a plurality of dummy regions connecting the plurality of light-emitting regions, a respective one of the plurality of light-emitting regions having a larger thickness than a respective dummy region and including a plurality of driving wires. The flexible display panel further includes a detecting wire in the plurality of dummy regions and the plurality of light emitting regions.

公开(公告)号：US20200319521A1

公开(公告)日：2020-10-08

申请号：US16956066

申请日：2019-10-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Qin ,  Xiaolong Li ,  Tieshi Wang ,  Jintao Peng ,  Xueling Gao ,  Yanan Niu ,  Kuanjun Peng ,  Shengnan Li

IPC: G02F1/155 ,  G02F1/29 ,  G02F1/13357 ,  G02F1/1335

Abstract: A display panel, a method for preparing a display panel and a method for adjusting an intensity of ambient light reflected on a display panel are provided in embodiments of the disclosure. The display panel includes: a base substrate; a plurality of sub-pixel units (20) on the base substrate comprising a plurality of light emitting portions respectively; an electrochromic assembly on a light-emergent side of the plurality of light emitting portions; and a light intensity detector configured to detect an incident intensity of ambient light, and the electrochromic assembly comprises a plurality of electrochromic portions covering the plurality of light emitting portions, respectively; and transmittance of the plurality of electrochromic portions for ambient light varies with a change in the incident intensity of ambient light.

公开(公告)号：US20190181362A1

公开(公告)日：2019-06-13

申请号：US16039429

申请日：2018-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Yueping Zuo

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  B32B3/26

CPC classification number: H01L51/0097 ,  B32B3/266 ,  B32B2457/20 ,  G02F1/13458 ,  H01L27/3244 ,  H01L51/5253 ,  H01L51/5256 ,  H01L51/56 ,  H01L2251/5338 ,  H01L2251/566

Abstract: Embodiment of the present disclosure provides a motherboard of flexible display panel, a cutting method thereof, a flexible display panel and a display device. The motherboard of flexible display panel includes: a plurality of display units; a space region, disposed to at least separate adjacent ones of the display unis; and a barrier strip, disposed in the space region and configured to stop a crack from extending towards the display units across the barrier strip.

公开(公告)号：US20170040464A1

公开(公告)日：2017-02-09

申请号：US14913048

申请日：2015-07-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Zuqiang Wang ,  Liang Sun

IPC: H01L29/786 ,  H01L21/02 ,  H01L27/12 ,  H01L21/306 ,  H01L21/225 ,  H01L29/10 ,  H01L29/66 ,  H01L21/30

CPC classification number: H01L29/78675 ,  H01L21/02532 ,  H01L21/02592 ,  H01L21/02675 ,  H01L21/2251 ,  H01L21/3003 ,  H01L21/30604 ,  H01L21/77 ,  H01L27/1222 ,  H01L27/127 ,  H01L27/1285 ,  H01L29/1033 ,  H01L29/66757 ,  H01L29/786 ,  H01L29/78696

Abstract: Embodiments of the present invention disclose a manufacturing method of a thin film transistor, a thin film transistor, an array substrate and a display device. The manufacturing method of a thin film transistor includes a step of forming an active layer, and the step of forming an active layer includes: forming a first poly-silicon layer and a second poly-silicon layer on the first poly-silicon layer separately, and adding dopant ions into the second poly-silicon layer and an upper surface layer of the first poly-silicon layer. By using the manufacturing method of a thin film transistor, defect states and unstable factors of interface in the thin film transistor can be reduced, thereby improving stability of the LTPS thin film transistor and obtaining an array substrate and a display device having more stable performance.

Abstract translation: 本发明的实施例公开了薄膜晶体管，薄膜晶体管，阵列基板和显示装置的制造方法。 薄膜晶体管的制造方法包括形成有源层的步骤，形成有源层的步骤包括：分别在第一多晶硅层上形成第一多晶硅层和第二多晶硅层， 以及将掺杂剂离子添加到第二多晶硅层和第一多晶硅层的上表面层。 通过使用薄膜晶体管的制造方法，可以降低薄膜晶体管的缺陷状态和界面的不稳定因素，从而提高LTPS薄膜晶体管的稳定性并获得阵列基板和具有更稳定性能的显示装置。

公开(公告)号：US12268555B2

公开(公告)日：2025-04-08

申请号：US17416712

申请日：2020-09-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tingting Zhou ,  Kuanjun Peng ,  Fangzhen Zhang ,  Yanan Niu ,  Jintao Peng ,  Jing Niu ,  Shuang Sun ,  Lubin Shi ,  Jinyu Ren

IPC: A61B8/00 ,  A61B8/08 ,  B06B1/02 ,  B06B1/06

Abstract: Embodiments of the present disclosure provide a flexible sensor, including a flexible substrate; a plurality of ultrasonic detectors, on the flexible substrate; and a plurality of detection circuits, respectively corresponding to the ultrasonic detectors; wherein each of the detection circuits is between the flexible substrate and the corresponding ultrasonic detector, and configured to drive the ultrasonic detector to emit an ultrasonic wave, and detect a detection signal output by the ultrasonic detector after receiving the ultrasonic wave; each of the ultrasonic detectors includes: a first electrode coupled to the corresponding detection circuit, a second electrode on a side of the first electrode away from the flexible substrate, and a piezoelectric induction layer between the first electrode and the second electrode; a plurality of holes are provided in a region other than a region where the detection circuits are located.

公开(公告)号：US20240297203A1

公开(公告)日：2024-09-05

申请号：US18026476

申请日：2022-05-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shuang Sun ,  Fangzhen Zhang ,  Xinxing Wang ,  Jing Niu ,  Tingting Zhou ,  Wei Wang ,  Yanan Niu

IPC: H01L27/15 ,  H01L25/18

CPC classification number: H01L27/156 ,  H01L25/18

Abstract: The present application provides a light emitting chip, a manufacturing method for the same, and a light emitting device, relating to the field of display technology. The light emitting chip includes a substrate and a plurality of light emitting units arranged in an array on the substrate. The light emitting unit includes at least one first electrode disposed on the substrate and a plurality of epitaxial wafers arranged in an array, at least two of the epitaxial wafers have different colors. Several epitaxial wafers in the epitaxial wafers share one of the first electrodes.