公开(公告)号：US20220384554A1

公开(公告)日：2022-12-01

申请号：US16958921

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunlong LI ,  Pengcheng LU ,  Kui ZHANG ,  Li LIU ,  Kuanta HUANG ,  Shengji YANG ,  Xiaochuan CHEN ,  Dacheng ZHANG

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

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a base substrate, a first insulation layer, a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer, and a first filling layer. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first filling layer is located between the connecting electrode pattern and the first electrode pattern. The first filling layer and the light-emitting functional layer are different layers; a portion of the first insulation layer that is located between the first electrode pattern and the connecting electrode pattern has a groove, and the first filling layer is at least partially located in the groove.

公开(公告)号：US20220336556A1

公开(公告)日：2022-10-20

申请号：US17763212

申请日：2021-05-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qing WANG ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Dacheng ZHANG

IPC: H01L27/32 ,  H01L51/56

Abstract: A display substrate, comprising: a plurality of first electrodes having a planar middle part which are located on a planarization layer of a driving backplane, a spacing groove exposing a planar surface of the planarization layer being provided between two adjacent first electrodes; an electric leakage blocking layer located on a first electrode layer and located between two adjacent first electrodes, the electric leakage blocking layer being provided with a blocking groove corresponding to the spacing groove and exposing the planar surface of the planarization layer, and the electric leakage blocking layer being overlapped on the surface of the middle part on at least one side; and a light-emitting functional layer located at the side of the electric leakage blocking layer and the first electrode layer away from the driving backplane.

公开(公告)号：US20220216447A1

公开(公告)日：2022-07-07

申请号：US17607015

申请日：2020-11-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li LIU ,  Pengcheng LU ,  Kui ZHANG ,  Yunlong LI ,  Shengji YANG ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Yuanlan TIAN ,  Dacheng ZHANG

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

Abstract: A display substrate is provided, including a base and a first electrode layer. The first electrode layer includes a transparent conductive layer and a reflective layer. The transparent conductive layer includes transparent conductive units that are spaced apart, a transparent conductive unit includes a flat surface and sides on peripheries, and an included angle between the flat surface and a side is an obtuse angle. The reflective layer is located on a side of the transparent conductive layer proximate to the base. The reflective layer includes reflective units that are spaced apart; the reflective units and the transparent conductive units are in one-to-one correspondence, and a reflective unit and a corresponding transparent conductive unit are electrically connected; and an orthographic projection of the reflective unit on the base is within a range of an orthographic projection of a flat surface of the corresponding transparent conductive unit on the base.

公开(公告)号：US20220140021A1

公开(公告)日：2022-05-05

申请号：US17260562

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yunlong LI ,  Pengcheng LU ,  Yu Ao ,  Zhijian ZHU ,  Yuanlan TIAN ,  Dacheng ZHANG

IPC: H01L27/32 ,  H01L23/544 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are disclosed. The display substrate includes a silicon base substrate and a color film layer disposed on the silicon base substrate. A plurality of metal traces for connecting a display area and a cathode ring with a bonding area respectively are contained in the silicon base substrate. The color film layer includes a first align mark, and the first align mark has a hollowed-out structure. A projection of the first align mark on the silicon base substrate and projections of the metal traces on the silicon base substrate include overlapping areas.

公开(公告)号：US20210305535A1

公开(公告)日：2021-09-30

申请号：US17258614

申请日：2020-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kui ZHANG ,  Li LIU ,  Pengcheng LU ,  Yunlong LI ,  Dacheng ZHANG

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

Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes: a display substrate, including a base substrate, a driving transistor embedded on the base substrate, and a first electrode layer located on the base substrate; an encapsulation protection structure located on the display substrate and surrounding a display area of the display substrate; a light emitting layer located on a surface of the first electrode layer away from the base substrate; a second electrode layer located on a surface of the light emitting layer away from the base substrate; and a first encapsulation layer located on a surface of the second electrode layer away from the base substrate.

公开(公告)号：US20210202604A1

公开(公告)日：2021-07-01

申请号：US16977510

申请日：2019-11-29

Applicant: HEFEI BOE JOINT TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan WU ,  Yongqian LI ,  Can YUAN ,  Zhidong YUAN ,  Dacheng ZHANG ,  Lang LIU

IPC: H01L27/32

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a storage capacitor. The storage capacitor includes a second capacitor electrode, a first capacitor electrode and a third capacitor electrode which are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate.

公开(公告)号：US20200211477A1

公开(公告)日：2020-07-02

申请号：US16814119

申请日：2020-03-10

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

Inventor： Weilin LAI ,  Yucheng CHAN ,  Jianbang HUANG ,  Dachao LI ,  Shengji YANG ,  Pengcheng LU ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Xue DONG ,  Hui WANG ,  Yanming WANG ,  Chen XU ,  Dacheng ZHANG ,  Yongfa DONG ,  Qing WANG ,  Hui TONG ,  Yunlong LI

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3258 ,  H01L27/32

Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.

公开(公告)号：US20190278131A1

公开(公告)日：2019-09-12

申请号：US16079716

申请日：2017-12-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao LI ,  Wenqing ZHAO ,  Ming YANG ,  Qian WANG ,  Haiyan WANG ,  Xiaochen NIU ,  Can WANG ,  Dacheng ZHANG

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/133

Abstract: A liquid crystal lens, a manufacturing method thereof, and a display device are disclosed. The liquid crystal lens includes a liquid layer located between a first substrate and a second substrate, the liquid layer includes a liquid crystal layer and a filler layer, the filler layer is filled in a square between the first substrate and the second substrate except the liquid crystal layer; the liquid crystal layer is made of a material different from the filler layer.

公开(公告)号：US20190025644A1

公开(公告)日：2019-01-24

申请号：US15756413

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD,

Inventor： Jifeng TAN ,  Wei WANG ,  Yafeng YANG ,  Dacheng ZHANG

IPC: G02F1/1335 ,  G02F1/1343 ,  G09G3/36 ,  G02B6/122

Abstract: A display panel and a display device are disclosed. The display panel includes a first substrate, a liquid crystal layer, a waveguide layer, a grating layer, a first electrode and a second electrode. The liquid crystal layer, the first electrode and the second electrode are located between the waveguide layer and the first substrate. The first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto, wherein an amount of light coupled out of the waveguide layer is determined based on a difference between the refractive index of the liquid crystal layer and a refractive index of the waveguide layer.

公开(公告)号：US20190011735A1

公开(公告)日：2019-01-10

申请号：US15749258

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng TAN ,  Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Pengxia LIANG ,  Dacheng ZHANG

IPC: G02F1/1334 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/29 ,  C09K19/54

Abstract: A display panel and a display device are disclosed. The display panel comprises a first substrate, a second substrate, a gating layer, and a waveguide layer, a first electrode and a second electrode between the first and the second substrates, the gating layer includes a polymer layer and multiple liquid crystal gratings arranged with an interval, the polymer layer covering the liquid crystal gratings and being in gaps between the liquid crystal gratings. The first and second electrodes are configured to adjust a refractive index of the liquid crystal gratings by changing voltages applied thereto, a coupling efficiency at which light is coupled out of the waveguide layer is determined according to difference between the refractive indices of the liquid crystal gratings and the polymer layer, and the grating layer controls exiting angle and diffraction efficiency of light of a specific color in each pixel unit.