公开(公告)号：US20250004344A1

公开(公告)日：2025-01-02

申请号：US18712224

申请日：2023-04-18

Applicant: Beijing BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Haowei ZOU ,  Hao YAN ,  Hanqing LIU ,  Pengcheng TIAN ,  Wei CHEN ,  Hongwen GUO ,  Yuxuan WEI ,  Xin LI ,  Yong SONG ,  Xiang LI ,  Wei HE

IPC: G02F1/16766 ,  G02F1/167 ,  G02F1/16756

Abstract: Disclosed are a display substrate, a display device, and a manufacturing method. The display substrate includes: a base substrate; gate lines and data lines which define a plurality of sub-pixel regions; sub-pixel electrodes located in the plurality of sub-pixel regions on the base substrate; driving transistors disposed on the base substrate and electrically connected with the data lines, the gate lines and the sub-pixel electrodes; and a bar structure on a side of a layer where the sub-pixel electrodes are located away from the base substrate. The bar structure has an opening region for accommodating charged particles in each sub-pixel region, an orthographic projection of the bar structure at least partially covers orthographic projections of the gate lines and the data lines on the base substrate, and a ratio of an area of a sub-pixel electrode to an area of a sub-pixel region is greater than 70%.

公开(公告)号：US20220328578A1

公开(公告)日：2022-10-13

申请号：US17417299

申请日：2020-09-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiang LI ,  Wei HE ,  Haowei ZOU ,  Shi SHU ,  Chuanxiang XU ,  Yong YU ,  Yang YUE ,  Haitao HUANG ,  Qi YAO

IPC: H01L27/32 ,  H01L51/56

Abstract: A display substrate, a display panel and a manufacturing method thereof, and a display device are disclosed. The display substrate includes: a first substrate; a pixel defining layer on the first substrate and having pixel openings; and light emitting devices in one-to-one correspondence with the pixel openings. The light emitting device includes a first electrode and a light emitting function layer, the first electrode is between the pixel defining layer and the first substrate, and includes a main body portion exposed by the pixel opening; the light emitting function layer is in the pixel opening and on a side of the main body portion away from the first substrate, at least a part of the light emitting function layer directly faces the main body portion, and the part of the light emitting function layer directly facing the main body portion is a curved film layer protruding towards the first substrate.

公开(公告)号：US20240402563A1

公开(公告)日：2024-12-05

申请号：US18273532

申请日：2022-07-08

Applicant: Beijing BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Junru MA ,  Hanqing LIU ,  Wei CHEN ,  Yuxuan WEI ,  Hongwen GUO ,  Lei MAO ,  Xin LI ,  Pengcheng TIAN ,  Haowei ZOU

IPC: G02F1/1685 ,  G02F1/167 ,  G02F1/16756

Abstract: A display substrate includes: a base substrate (300), a circuit structure layer (400) and an electronic paper film (500) sequentially disposed on the base substrate (300). The circuit structure layer (400) includes: a plurality of first signal lines (21) extending along a first direction (X), a plurality of second signal lines (22) extending along a second direction (Y), a plurality of drive units, and at least one near field communication coil. The plurality of first signal lines (21) and the plurality of second signal lines (22) intersect to form a plurality of sub-pixel areas. The drive units are located in the sub-pixel area and electrically connected with the first signal lines (21) and the second signal lines (22), and are configured to control the display patterns of the electronic paper film corresponding to the sub-pixel areas.

公开(公告)号：US20220093017A1

公开(公告)日：2022-03-24

申请号：US17409826

申请日：2021-08-24

Applicant: Beijing BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Haowei ZOU ,  Xiang LI ,  Wei HE

IPC: G09F9/37 ,  H04N13/359 ,  H04N13/32

Abstract: Provided are a display substrate, a preparation method and a driving method thereof, and a display apparatus. The display substrate includes a circuit substrate, a plurality of elastic electrode pillars disposed on the circuit substrate, and a plurality of second addressing electrodes and a plurality of light-emitting elements disposed on the elastic electrode pillars, the circuit substrate includes an addressing circuit and a plurality of first addressing electrodes, wherein the addressing circuit is configured to provide a first electrostatic voltage to the first addressing electrodes and a second electrostatic voltage to the second addressing electrodes; the first electrostatic voltage and the second electrostatic voltage are configured to control the deflection angle of the elastic electrode pillar.