公开(公告)号：US20220223640A1

公开(公告)日：2022-07-14

申请号：US17355664

申请日：2021-06-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Fanli Meng ,  Jiangbo Chen ,  Zeyuan Li

IPC: H01L27/146 ,  H01L29/786 ,  G01T1/20

Abstract: A drive backplane, a manufacturing method thereof, a detection substrate and a detection device. The drive backplane includes: a base plate and multiple drive modules disposed on the base plate. Each drive module includes a reset transistor, a read transistor, an amplifier transistor and a memory capacitor; the reset transistor is connected to the memory capacitor, the memory capacitor is connected to a photosensor, the amplifier transistor is connected to the memory capacitor, and the read transistor is connected to the amplifier transistor; wherein an active layer in the amplifier transistor is made of amorphous silicon or an oxide semiconductor.

公开(公告)号：US11239292B2

公开(公告)日：2022-02-01

申请号：US16476578

申请日：2018-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangbo Chen ,  Youngsuk Song ,  Wenjun Hou ,  Lei Zhao ,  Guoying Wang

IPC: H01L27/32 ,  H01L27/12

Abstract: Provided are an array substrate, a display panel, a display apparatus and a preparation method therefor. The array substrate comprises: a base substrate; and multiple pixel units arranged on one side of the base substrate, each of the pixel units comprising: a thin-film transistor and an electroluminescent structure, and a shading structure located between the thin-film transistor and the base substrate, wherein the thin-film transistor comprises: an active layer located on one side, away from the base substrate, of the shading structure; the electroluminescent structure comprises: first electrodes for driving the pixel units; and one of the shading structure and the active layer is a same-layer structure fabricated by the same mask plate as the first electrodes so as to reduce the number of mask procedures required in preparation of an array substrate.

公开(公告)号：US20210327354A1

公开(公告)日：2021-10-21

申请号：US16490720

申请日：2019-01-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangbo Chen ,  Hongda Sun ,  Youngsuk Song

IPC: G09G3/3258 ,  G09G3/00 ,  H01L27/32

Abstract: Provided are a display panel (10) and the driving method thereof. The display panel (10) may include a first substrate (110) and a second substrate (120) opposite the first substrate (110). The first substrate (110) may include a pixel unit (100), and the pixel unit (100) may include a light emitting element (101) and a first transistor (112) for driving the light emitting element (101) to emit light. The second substrate (120) may include a second transistor (122). The second transistor (122) may be configured to have a second drift value of a second threshold voltage which has a specific relationship with a first drift value of a first threshold voltage of the first transistor (112) under same ambient condition.

公开(公告)号：US09905583B2

公开(公告)日：2018-02-27

申请号：US15121294

申请日：2015-11-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Zhang ,  Liangchen Yan ,  Jiangbo Chen

IPC: H01L27/12

CPC classification number: H01L27/124 ,  G02F1/136286 ,  H01L27/1262 ,  H01L27/3279

Abstract: The present invention provides an array substrate and a manufacturing method thereof, and a display apparatus. The array substrate comprises a gate layer, a gate insulating layer, an active layer, a source and drain layer, a scanning line and a signal line formed on a substrate, the signal line is provided in a same layer as the gate layer, the scanning line is provided in a same layer as the source and drain layer, the gate insulating layer is provided between the gate layer, the signal line and the active layer. The array substrate further comprises a first through hole and a second through hole penetrating through the gate insulating layer, the signal line is connected to the source and drain layer via the first through hole, and the scanning line is connected to the gate layer via the second through hole.

公开(公告)号：US20170077201A1

公开(公告)日：2017-03-16

申请号：US15122172

申请日：2015-09-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangbo Chen ,  Jun Cheng ,  Chunsheng Jiang ,  Xiaodi Liu ,  Xiangyong Kong

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3262 ,  H01L21/77 ,  H01L27/1288 ,  H01L51/56 ,  H01L2227/323

Abstract: Embodiments of the invention provide an array substrate and a method of manufacturing the same. The method comprises: forming a gate electrode pattern, a gate insulation layer, an active layer pattern and an etching stopping layer on a substrate; forming a photoresist layer on the etching stopping layer; performing a single patterning process on the photoresist layer, such that photoresist in the first region is partially etched off, photoresist in the second region is completely etched off, and photoresist in the third region is completely remained; and performing a single etching process, such that residual photoresist in the first region and a portion of the etching stopping layer in the first region are etched off, and at the same time, a portion of the etching stopping layer and a portion of the gate insulation layer in the second region are etched off.

Abstract translation: 本发明的实施例提供阵列基板及其制造方法。 该方法包括：在衬底上形成栅极电极图案，栅极绝缘层，有源层图案和蚀刻停止层; 在所述蚀刻停止层上形成光致抗蚀剂层; 在光致抗蚀剂层上执行单一的图案化工艺，使得第一区域中的光致抗蚀剂被部分蚀刻掉，第二区域中的光致抗蚀剂被完全蚀刻掉，并且第三区域中的光致抗蚀剂被完全残留; 并进行单蚀刻处理，使得第一区域中的残留光致抗蚀剂和第一区域中的蚀刻停止层的一部分被蚀刻掉，同时蚀刻停止层的一部分和栅极的一部分 第二区域中的绝缘层被蚀刻掉。