公开(公告)号：US11493435B2

公开(公告)日：2022-11-08

申请号：US16766774

申请日：2019-12-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaochuan Chen ,  Xiaoliang Ding ,  Lei Wang ,  Changfeng Li ,  Pinchao Gu ,  Ping Zhang ,  Xueyou Cao

IPC: G01N21/25 ,  G01N21/27 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1362

Abstract: The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes a first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.

公开(公告)号：US11487370B2

公开(公告)日：2022-11-01

申请号：US16444332

申请日：2019-06-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

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

Abstract: A touch substrate, a driving method of a touch substrate, a preparation method of a touch substrate, and a touch device are disclosed. The touch substrate includes an underlying substrate and a touch layer, and the touch layer is on the underlying substrate. The touch layer includes a plurality of touch electrodes which are electrically separated from each other, each of the touch electrodes overlaps with an edge area of the touch substrate in a direction perpendicular to the underlying substrate, and each of the touch electrodes is electrically connected with a touch signal line on the underlying substrate in the edge area. The touch substrate can improve the pixel aperture ratio of the display area, so that the touch device including the touch substrate can achieve better display effect.

公开(公告)号：US11480822B2

公开(公告)日：2022-10-25

申请号：US16560867

申请日：2019-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ge Shi ,  Shiyu Zhang ,  Ming Zhu ,  Haijun Niu ,  Yujie Liu ,  Zheng Fang ,  Yuyao Wang ,  Xiaochuan Chen

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/13357

Abstract: A display substrate, a method for manufacturing the same, and a display device are provided. The display substrate includes a base substrate, a black matrix pattern on the base substrate, display units respectively in regions defined by the black matrix pattern, and a light-reflecting wall between at least two adjacent display units, where at least one of the at least two adjacent display units is a quantum dot display unit, and a reflectance of the light-reflecting wall to light in a first wavelength range is greater than a preset threshold.

公开(公告)号：US11386691B2

公开(公告)日：2022-07-12

申请号：US16605983

申请日：2019-02-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jian Gao ,  Xiaochuan Chen ,  Wei Wang ,  Hongli Yue ,  Wenji Zhu ,  Xiandong Meng ,  Xianqin Meng

IPC: G06V40/13 ,  G02B3/00

Abstract: The present disclosure provides an optical device, a module, an apparatus and a system for fingerprint identification. The optical device includes: a first lens array including a plurality of first lenses; a second lens array opposite to the first lens array, including a plurality of second lenses; and a light shielding element between the first lens array and the second lens array, the light shielding element including a plurality of light-transmitting apertures. Image focal planes of the plurality of second lenses, object focal planes of the plurality of first lenses, and the light shielding element are coplanar. The plurality of first lenses are in one-to-one correspondence with the plurality of second lenses and the plurality of light-transmitting apertures, respectively.

公开(公告)号：US11380741B2

公开(公告)日：2022-07-05

申请号：US16343775

申请日：2018-10-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Chunlei Wang ,  Wei Li

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: A display panel includes a plurality of display elements over a substrate, each including at least one first light-emitting element for emitting a first light out of a first light-emitting surface and at least one second light-emitting element for emitting a second light out of a second light-emitting surface opposing to the first light-emitting surface. Each first light-emitting element has a first light-emitting layer between two first electrodes, which are respectively transparent and reflective so that the first light can transmit out of the first light-emitting surface. Each second light-emitting element includes a second light-emitting layer between two second electrodes, which are respectively transparent and reflective so that the second light transmits out of the second light-emitting surface. The first and second light-emitting surface are below and over the substrate respectively. A driving circuit is configured to drive the display panel.

公开(公告)号：US11374032B2

公开(公告)日：2022-06-28

申请号：US16642584

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Can Zhang ,  Can Wang ,  Han Yue ,  Ning Cong ,  Jiayao Liu ,  Wenqing Zhao ,  Li Xiao ,  Dongni Liu ,  Lei Wang ,  Liang Chen ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12 ,  G02B30/26 ,  G02F1/1335 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: There is provided an array substrate including a plurality of pixel regions arranged in rows and columns. The plurality of pixel regions include a corresponding pixel electrode array and a corresponding pixel circuit associated with the corresponding pixel electrode array. Each of the pixel electrode arrays is arranged in rows and columns, and each pixel electrode array includes a plurality of pixel electrodes arranged in an array. The array substrate further includes a plurality of sets of gate lines extending in a row direction and a plurality of sets of data lines extending in a column direction. The plurality of sets of gate lines and rows of the pixel electrode arrays are alternately arranged with each other in the column direction. The plurality of sets of data lines and columns of the pixel regions are alternately arranged with each other in the row direction.

公开(公告)号：US11373583B2

公开(公告)日：2022-06-28

申请号：US16955171

申请日：2019-07-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ming Yang ,  Ning Cong ,  Minghua Xuan ,  Can Zhang ,  Xiaochuan Chen ,  Can Wang ,  Han Yue ,  Jiao Zhao ,  Angran Zhang

IPC: G09G3/32

Abstract: Embodiments of the present disclosure disclose a drive circuit, a driving method thereof and a display device. The drive circuit includes: a current control circuit, configured to provide a drive signal to a device to be driven according to a signal of a data signal terminal; a first transistor, electrically connected between the current control circuit and the device to be driven; and a duration control circuit, electrically connected with a gate of the first transistor, and configured to provide a light-emitting duration modulating signal to the gate of the first transistor according to a combined action of signals of a scanning signal terminal, a light-emitting control signal terminal, a duration control signal terminal and a reference voltage signal terminal, to control a conduction duration of the first transistor.

公开(公告)号：US11362144B2

公开(公告)日：2022-06-14

申请号：US16611245

申请日：2019-02-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: A display panel, a method for fabricating the same, and a display device are provided. The display panel includes: a base substrate, and a plurality of pixels in an array on the base substrate, wherein each pixel includes a plurality of sub-pixels; each sub-pixel includes: a reflecting element on the base substrate, a first electrode on the reflecting element, a light-emitting element on the first electrode, and a second electrode on the light-emitting element; and in each of the pixels, micro-cavity lengths corresponding to the sub-pixels are different, wherein the micro-cavity length is the distance between the side of the reflecting element away from the base substrate and the side of the second electrode proximate to the base substrate.

公开(公告)号：US11361577B2

公开(公告)日：2022-06-14

申请号：US17264013

申请日：2020-06-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Xiaochuan Chen ,  Haisheng Wang ,  Xiaoliang Ding ,  Lei Wang ,  Changfeng Li ,  Xiufeng Li ,  Chenyang Zhang

IPC: G06V40/13

Abstract: Embodiments of the present disclosure provide an ultrasonic fingerprint identification circuit, a driving method thereof, and a fingerprint identification device. The circuit includes a transmitting electrode, a receiving electrode, a piezoelectric layer disposed between the transmitting electrode and the receiving electrode, and a signal output unit, the transmitting electrode is configured to receive an alternating current signal in a transmitting stage; the receiving electrode is connected with the signal output unit. The circuit further includes a photosensitive unit, with an anode connected with the receiving electrode and a cathode connected with a first fixed electric level so that the photosensitive unit is in a reverse bias state.

公开(公告)号：US11348904B2

公开(公告)日：2022-05-31

申请号：US16631826

申请日：2019-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaochuan Chen ,  Jian Gao ,  Pengxia Liang ,  Xiandong Meng ,  Xianqin Meng ,  Jifeng Tan ,  Fangzhou Wang ,  Wei Wang ,  Han Yue

IPC: H01L25/075 ,  H01L33/58 ,  H01L33/60

Abstract: A display panel is disclosed, the display array including: a substrate; a functional layer on the substrate having a plurality of recesses, at least one of the recesses in a sub-pixel region forming a well structure with a sidewall formed of the functional layer and a bottom formed of the substrate; and a plurality of micro light emitting diodes (Micro LEDs) for emitting light, at least one of the Micro LEDs within a corresponding recess; wherein the functional layer is configured to prevent at least part of the light emitted by one of the Micro LEDs and incident on the sidewall of the corresponding recess from being subsequently emitted through an adjacent sub-pixel region.