Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Peking University

Beijing Boe Display Technology Co., Ltd.

Fangzhen Zhang

Shuang Sun

Jing Niu

Kuanjun Peng

Zhijun Lv

Bin Qin

Jintao Peng

Lubin Shi

Ke Fei Wang

Wei Qin

Ce Ning

Seungjin Choi

Tieshi Wang

Chunfang Zhang

Yanan Niu

Weixing Liu

Wanpeng Teng

Jiushi Wang

Kai Guo

Jinyu Ren

Xue Dong

Liang Chen

Long Wang

Li Zhou

Xiaolong Li

Mingchao Li

Guanbao Hui

Wanzhi Chen

Lianmao Peng

Xuelei Liang

Jinqian Wang

Jiye Xia

Boyuan Tian

Qiuping Yan

Wei Wang

Guangcai Yuan

Zhen Liu

Zhanfeng Cao

Dongni Liu

Dan Wang

Shi Shu

Fuqiang Li

Qi Qi

Chuanxiang Xu

Yonglian Qi

Zhenyu Zhang

Zhiwei Liang

Tao Gao

Chengchung Yang

Xueling Gao

Bing Jiang Sun

Yanfeng Wang

Guangkui Qin

Jing Feng

Xinhong Lu

Chun Wei Wu

Wusheng Li

Ke Wang

Xiaoling Xu

Tingting Zhou

Feng Jiang

Yue Shi

Xiaoyan Zhu

Jingxia Gu

Shengnan Li

Seung Jin Choi

Zhaohui Qiang

Chungchun Lee

Guojing Ma

Sha Feng

Peilin Zhang

Choi-Seung Jin

Jingshang Zhou

Haisheng Liu

Dongcan Mi

Haiyan Zhao

Miaomiao Yang

A pixel driving circuit includes a data writing circuit, a light-emitting control circuit, a switching circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is configured to transmit a first voltage signal received at the first voltage signal terminal to a second node. The switching circuit includes switching transistors. The light-emitting diode chip is electrically connected to the second node. The light-emitting diode chip includes light-emitting portions. The light-emitting diode chip is configured to drive the light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time. At least part of the light-emitting portions are sequentially connected in series through at least one switching transistor.

Pixel driving circuit and method for driving the same, and display substrate

A display substrate (), comprising a plurality of pixel units (P, P, P, P) and at least one compensation circuit. At least one pixel unit (P, P, P, P) comprises: a main light-emitting unit and an auxiliary light-emitting unit; and the at least one compensation circuit is connected to the auxiliary light-emitting unit of the at least one pixel unit (P, P, P, P). The at least one compensation circuit is configured to measure the brightness or temperature of the at least one pixel unit (P, P, P, P) and control the auxiliary light-emitting unit of the at least one pixel unit (P, P, P, P) to emit light according to a measurement result.

Display substrate and brightness compensation method thereof, and display apparatus

A display panel has a display region and a fan-out lead region, the fan-out lead region is located within the display region. The display panel comprises a base, a pixel circuit layer, a plurality of fan-out leads disposed between the base and the pixel circuit layer and located in the fan-out lead region, and an electrical field shielding pattern disposed between the pixel circuit layer and a film layer in which the plurality of fan-out leads are located. The pixel circuit layer includes a plurality of pixel circuits, at least one pixel circuit is located in the fan-out lead region. At least one fan-out lead is electrically connected to the pixel circuits. Orthographic projection of active layer patterns of transistors of the pixel circuit located in the fan-out lead region on the base are located within an orthographic projection of the electric field shielding pattern on the base.

Display panel and method for manufacturing a display panel having a tiled screen with a fan-out lead region

The present disclosure provides a shift register unit, a gate driver circuit, and a display device, belonging to the field of display technology, which can solve the problem of unstable threshold voltage and current leakage of thin film transistors in existing shift register units. The shift register unit in the present disclosure includes: an input subcircuit, an output subcircuit, a pull-down control subcircuit, a pull-down subcircuit, a first noise reduction subcircuit, a first auxiliary control subcircuit, and a second auxiliary control subcircuit. The first auxiliary control subcircuit is configured to write the third reference level signal to the pull-down control node when the pull-down node is the first reference level signal, and control the pull-down subcircuit to be closed to control the first noise reduction subcircuit to be open.

Shift register units, gate driver circuits, and display devices

A pixel circuit includes a plurality of driving transistors and a plurality of gating sub-circuits. The plurality of driving transistors are configured to output different driving currents under control of a received control signal. Each gating sub-circuit is electrically connected to a respective selection signal terminal, a scanning signal terminal, a respective driving transistor and a light-emitting device, and is configured to be turned on under control of a scanning signal from the scanning signal terminal and a selection signal from the selection signal terminal to transmit a driving current from the connected driving transistor to the light-emitting device. Within a frame period, one of a plurality of selection signal terminals respectively electrically connected to the plurality of gating sub-circuits outputs a selection signal.

Pixel circuit and driving method therefor, display panel, and display apparatus

Embodiments of the present disclosure provide a flexible sensor, including a flexible substrate; a plurality of ultrasonic detectors, on the flexible substrate; and a plurality of detection circuits, respectively corresponding to the ultrasonic detectors; wherein each of the detection circuits is between the flexible substrate and the corresponding ultrasonic detector, and configured to drive the ultrasonic detector to emit an ultrasonic wave, and detect a detection signal output by the ultrasonic detector after receiving the ultrasonic wave; each of the ultrasonic detectors includes: a first electrode coupled to the corresponding detection circuit, a second electrode on a side of the first electrode away from the flexible substrate, and a piezoelectric induction layer between the first electrode and the second electrode; a plurality of holes are provided in a region other than a region where the detection circuits are located.

Flexible sensor

The present disclosure provides a display substrate and a display device. The display substrate includes a pixel circuit, and the pixel circuit includes a light-emitting element, a driving circuit and a capacitor circuit. The driving circuit is configured to drive the light-emitting element to emit light; a first terminal of the capacitor circuit is electrically connected to a control terminal of the driving circuit, and a second terminal of the capacitor circuit is electrically connected to a data writing-in node; the capacitor circuit includes at least two capacitors connected in parallel with each other.

Display substrate and display device

A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.

A displaying base plate and a fabricating method thereof. The displaying base plate includes a substrate, and a first flat layer on one side of the substrate; a first metal layer on one side of the first flat layer that is further away from the substrate; a second flat layer on sides of the first metal layer and the first flat layer that are further away from the substrate; and a second metal layer on one side of the second flat layer that is further away from the substrate; wherein the first metal layer includes a first metal trace, an orthographic projection of the second metal layer on the substrate and an orthographic projection of the first metal trace on the substrate have an overlapping part, and an orthographic projection of the second flat layer on the substrate covers the orthographic projection of the first metal trace on the substrate.

Method for fabricating displaying base plate, displaying base plate and displaying device

A display substrate includes a base substrate, and a plurality of light emitters and a plurality of light sensors over the base substrate. The light emitters and light sensors are configured to respectively emit lights towards, and sense lights reflected by, a pattern to be detected, such as a fingerprint. At least one light emitter includes a first electrode, a light-emitting layer, and a second electrode, sequentially over the base substrate. At least one light sensor includes a third electrode, a photosensitive layer, and a fourth electrode, sequentially over the base substrate. The first electrode and the third electrode are integral or the second electrode and the fourth electrode are integral. A method of using the display substrate to identify a pattern such as a fingerprint can be employed by a display panel containing the display substrate.

Fingerprint identification display substrate and method of use thereof, and display panel

The present disclosure provides a driving substrate including: a flexible substrate base, a plurality of thin film transistors on the flexible substrate base and a first conductive pattern layer on a side of the thin film transistors distal to the flexible substrate base. The first conductive pattern layer includes: a plurality of first connection terminals in the display region and a plurality of signal supply lines in the bendable region. A first number of first connection terminals are electrically coupled to first electrodes of the plurality of thin film transistors. The plurality of signal supply lines are coupled to a second number of first connection terminals other than the first number of first connection terminals. At least one inorganic insulating layer including a hollowed-out pattern in the bendable region is between the first conductive pattern layer and the flexible substrate base.

Driving substrate and manufacturing method thereof and display device

The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.

Display panel and apparatus, and fabricating method thereof

The embodiments of the present application disclose a touch control display panel and a manufacturing method thereof, a touch control display screen and a spliced screen. The touch control display panel comprises: A substrate; A driving circuit layer, wherein the driving circuit layer comprises a driving line and a data line, a touch control row electrode and a touch control column electrode, the touch control row electrode is connected to at least one row auxiliary electrode via at least one first via hole, and each row of touch control row electrodes are connected to each other in series via the row auxiliary electrode; the touch control column electrode is connected to at least one column auxiliary electrode through at least one second via, and each column touch control column electrode is connected to each other in series through the column auxiliary electrode.

Touch control display panel, manufacturing method thereof, touch control display screen and spliced screen

A semi-transparent semi-retroreflective film and an air display device are provided. The air display device includes: a first polarizer and a second polarizer assembled with each other to form a cell; a semi-transparent semi-reflective structure and a semi-transparent semi-retroreflective film disposed between the first polarizer and the second polarizer; a first &#xbc; wave plate disposed at a side of the air display device adjacent to the first polarizer; and a second &#xbc; wave plate disposed between the semi-transparent semi-reflective structure and the semi-transparent semi-retroreflective film. The air display device is configured such that polarized light incident from the first polarizer, after being processed by an internal optical path of the air display device, exits from the second polarizer to form an air image at a side of the air display device away from the first polarizer.

Semi-transparent semi-retroreflective film and air display device

Embodiments of the present disclosure provide a display substrate, a display device, and a method for manufacturing a display substrate. The display substrate includes: a plurality of bearing parts for supporting display assemblies; and a connecting beam located between two bearing parts and connected to the two bearing parts. The connecting beam includes at least one stretchable portion with a hollow portion provided inside the stretchable portion, so that the stretchable portion is deformable in a first direction and a second direction, and the second direction is perpendicular to the first direction.

Display substrate, display device and method for manufacturing display substrate

Growing community of inventors

Beijing, China

Fangzhen Zhang