公开(公告)号：US20220373840A1

公开(公告)日：2022-11-24

申请号：US17770205

申请日：2021-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoxin Song ,  Feng Zhang ,  Wenqu Liu ,  Zhijun Lv ,  Liwen Dong ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Dongfei Hou ,  Qi Yao ,  Xue Dong

IPC: G02F1/13357 ,  G02F1/1335

Abstract: The present disclosure relates to a backlight module, a method for designing the same, and a display device. The backlight module includes: a first substrate; a plurality of LED chips on the first substrate; and a light control structure on the first substrate. The backlight module includes a plurality of light control region groups in one-to-one correspondence with the plurality of light-emitting diode chips, each light control region group includes at least a first light control region and a second light control region. The light control structure includes a plurality of light control substructure groups respectively located in the plurality of light control region groups. Each light control substructure group includes at least a first light control substructure in the first light control region and a second light control substructure in the second light control region.

公开(公告)号：US11301082B2

公开(公告)日：2022-04-12

申请号：US17242511

申请日：2021-04-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenqu Liu ,  Qi Yao ,  Feng Zhang ,  Zhao Cui ,  Libo Wang ,  Dongfei Hou ,  Xiaoxin Song ,  Zhijun Lv ,  Liwen Dong ,  Detian Meng ,  Jalil Ryu ,  Yang Yue ,  Haitao Huang

IPC: G06F3/041 ,  G06F3/045 ,  G06F3/044 ,  G06K9/00

Abstract: The present disclosure provides a fingerprint recognition unit and a fabrication method thereof, a fingerprint recognition module and a display device. The fingerprint recognition unit includes: a bearing substrate; a receiving electrode layer on the bearing substrate; a piezoelectric material layer on a side of the receiving electrode layer away from the bearing substrate; and a driving electrode layer on a side of the piezoelectric material layer away from the receiving electrode layer. A density of the driving electrode layer is greater than 5 g/cm3, and a thickness of the driving electrode layer, a thickness of the piezoelectric material layer and a thickness of the bearing substrate are configured such that a vibration nodal plane of the piezoelectric material layer is within the piezoelectric material layer.

公开(公告)号：US20210089739A1

公开(公告)日：2021-03-25

申请号：US16826196

申请日：2020-03-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenqu LIU ,  Qi Yao ,  Feng Zhang ,  Zhijun Lv ,  Liwen Dong ,  Xiaoxin Song ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Mingqi Chen ,  Changzheng Wang

IPC: G06K9/00 ,  H01L41/08 ,  H01L41/193 ,  H01L41/257 ,  H01L41/29 ,  H01L41/331 ,  H01L41/45 ,  B06B1/06

Abstract: Embodiments of the present disclosure provide a method for manufacturing a fingerprint recognition method, a fingerprint recognition module, and a display device. The method for manufacturing the fingerprint recognition module includes: providing a backplane; forming a bonding terminal in a bonding area of the backplane; forming a sensing electrode in a fingerprint recognition area of the backplane; forming an insulation layer cladding the bonding terminal in the bonding area, and forming a piezoelectric material layer in the fingerprint recognition area, where an orthographic projection of the piezoelectric material layer on the backplane coincides with an orthographic projection of the sensing electrode on the backplane; performing polarization processing on the piezoelectric material layer; and peeling off the insulation layer.

公开(公告)号：US11885978B2

公开(公告)日：2024-01-30

申请号：US17348677

申请日：2021-06-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Feng Zhang ,  Kang Guo ,  Renquan Gu ,  Detian Meng ,  Libo Wang ,  Dongfei Hou ,  Guangcai Yuan ,  Xue Dong ,  Wei Wang ,  Jinye Zhu ,  Jing Yu ,  Jing Liu ,  Haitao Huang

IPC: G02B3/00 ,  B29D11/00 ,  G02B27/09 ,  G02B27/01

CPC classification number: G02B3/0043 ,  B29D11/00298 ,  G02B3/0056 ,  G02B27/0172 ,  G02B27/0961

Abstract: Disclosed are a micro-lens structure, a displaying device, and a machining method of the micro-lens structure. The micro-lens structure specifically comprises: micro-lens units distributed in an array, wherein each micro-lens unit comprises at least two micro-lenses made of a photoresist, and the at least two micro-lenses have different arch heights.

公开(公告)号：US11378839B2

公开(公告)日：2022-07-05

申请号：US17213824

申请日：2021-03-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoxin Song ,  Feng Zhang ,  Wenqu Liu ,  Zhijun Lv ,  Liwen Dong ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Dongfei Hou ,  Qi Yao

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1368 ,  G02F1/1343

Abstract: The present disclosure can provide a transparent display panel, a preparation method thereof and a display device. The transparent display panel includes a bearing layer disposed between a base substrate and a liquid crystal layer and including a plurality of concave structures, and a plurality of reflecting structures located between the bearing layer and the liquid crystal layer, where an orthographic projection of the concave structure on the base substrate covers an orthographic projection of one or more reflecting structures on the base substrate.

公开(公告)号：US11373585B2

公开(公告)日：2022-06-28

申请号：US17070338

申请日：2020-10-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenqu Liu ,  Qi Yao ,  Feng Zhang ,  Zhijun Lv ,  Liwen Dong ,  Zhao Cui ,  Xiaoxin Song ,  Detian Meng ,  Libo Wang

IPC: G09G3/32 ,  H01L27/15 ,  H01L33/38 ,  H01L33/62

Abstract: A driving backplane includes a base, and a pixel driving circuit, a first electrode and a first piezoelectric block that are disposed in the sub-pixel region. The pixel driving circuit is disposed on the base. The first electrode is disposed at a side of the pixel driving circuit away from the base. The first electrode includes a first sub-electrode pattern and a second sub-electrode pattern that are in a same layer and are spaced apart to be insulated from each other, and the first sub-electrode pattern is electrically connected to the pixel driving circuit. The first piezoelectric block is disposed between the pixel driving circuit and the first electrode, and the first sub-electrode pattern and the second sub-electrode pattern are in contact with the first piezoelectric block.

公开(公告)号：US11296160B2

公开(公告)日：2022-04-05

申请号：US16769220

申请日：2019-12-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhijun Lv ,  Liwen Dong ,  Wenqu Liu ,  Xiaoxin Song ,  Zhao Cui ,  Libo Wang ,  Detian Meng ,  Feng Zhang

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

Abstract: A display substrate is provided. The display substrate includes a base substrate; a pixel definition structure on the base substrate; a plurality of light emitting elements respectively in a plurality of first apertures; and a reflective layer at least partially in a respective one of the plurality of first apertures and configured to reflect light laterally emitted from a respective one of the plurality of light emitting elements to exit from a light emitting surface of the respective one of the plurality of light emitting elements. The pixel definition structure includes a first pixel definition layer on the base substrate, and a second pixel definition layer on a side of the first pixel definition layer away from the base substrate. Lateral sides of the first pixel definition layer and the second pixel definition layer have different slope angles with respect to a main surface of the base substrate.

公开(公告)号：US20220068899A1

公开(公告)日：2022-03-03

申请号：US17204562

申请日：2021-03-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhijun LV ,  Feng Zhang ,  Liwen Dong ,  Wenqu Liu ,  Xiaoxin Song ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Dongfei Hou ,  Qi Yao

IPC: H01L25/16 ,  H01L33/62 ,  H01L23/00 ,  H01L27/12

Abstract: The present application discloses a display panel and a preparation method thereof. The display panel includes a base substrate provided with a circuit area and a light-emitting area; a driving circuit located in the circuit area of the base substrate; an organic insulating layer covering the light-emitting area of the base substrate; a light-emitting element embedded in the organic insulating layer, where an overlap area between the orthographic projection of the light-emitting element on the base substrate and the orthographic projection of the driving circuit on the base substrate is 0; and a first lapping electrode located on the side, facing away from the base substrate, of the light-emitting element, where the light-emitting element is electrically connected to the driving circuit through the first lapping electrode.