Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Shiyan Technology Co., Ltd.

Tieshi Wang

Wei Qin

Zhiqiang Xu

Weixing Liu

Kuanjun Peng

Wanpeng Teng

Xiaolong Li

Xueling Gao

Kai Guo

Chunfang Zhang

Chengchung Yang

Shengnan Li

Zhongyuan Wu

Jintao Peng

Dongxu Han

Xue Dong

Yongqian Li

Chi Zhang

Changfeng Li

Pan Xu

Hongrun Wang

Wei Sun

Zhuo Chen

Hui Zhang

Fangzhen Zhang

Xuefei Wang

Bin Qin

Haoran Liu

Jinxia Hu

Dongni Liu

Rui Liu

Minglei Chu

Jiankang Sun

Libo Wang

Yunsik Im

Yanan Niu

Wenchao Bao

Yue Wu

Liwei Liu

Jing Yu

Dini Xie

Shunhang Zhang

Jiushi Wang

Zhihong Du

Yan Wei

Wanzhi Chen

Kai Hou

Lizhen Zhang

Heliang Di

Shanshan Zhou

Saihua Chen

Shunyu Yao

Bin Wang

Can Yuan

Zhidong Yuan

Wei Chen

Fei Yang

Min He

Di Zhang

Fuqiang Li

Xin Duan

Chuanxiang Xu

Xiangxiang Zou

Gang Yu

Xuefei Sun

Kun Cao

Jigang Sun

Shuhuan Yu

Shaolei Zong

Zhuo Hua Li

Shaoru Zhang

Jinqian Wang

Zhaoyun Gu

Kexin Hao

Jiaqi Fan

Feihu Zhou

Weixin Jiang

Xu Yuan

Fugiang Li

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

The present disclosure provides a quantum dot ligand and a method for preparing the same, a light emitting device and a method for preparing the same, and a display device. The quantum dot ligand is an azobenzene compound represented by formula (I). The azobenzene compound in the quantum dot ligand of the present disclosure has at least one group on each benzene ring, and the groups on the benzene rings of the azobenzene compound can be connected to the quantum dot through a coordination bond, thereby forming a network or chain structure.

Quantum dot ligand and method for preparing the same, light emitting device and method for preparing the same, and display device

A light emitting device and a fabricating method thereof, and a light emitting apparatus. The light emitting device includes: a substrate, and an assisting layer and a quantum-dot layer that are provided in stack on one side of the substrate, and the assisting layer is close to the substrate; a material of the assisting layer includes a non-polar polymer; and the quantum-dot layer includes quantum dots and a first ligand material coordinated to the quantum dots, and a property of the first ligand material changes by an effect of illumination, so that a solubility of the quantum-dot layer in an organic solvent changes.

Light emitting device and fabricating method thereof, and light emitting apparatus

An array substrate and a display device are provided. The array substrate includes: a substrate, sub-pixel units, first signal lines, and second signal lines; multiple first signal lines and multiple second signal lines intersect to define the opening areas of the sub-pixel units; each second signal line includes: multiple first parts extending along the column direction, and multiple second parts; the second part includes a portion extending along the inclination direction, and the second part connects two first parts; the angle between the inclination direction and the column direction or row direction is greater than 0; each first part is adjacent to the opening area of the sub-pixel units in the row direction, and multiple second parts respectively pass through at least of the areas between adjacent two pixel repeating unit rows, with the distance between the two first parts being greater than 0 in the row direction.

Display panel and display device

The present disclosure provides a smart watch and a method for measuring heart rate information. The smart watch includes a dial, a watchband, and a processing device disposed on the dial or inside the watchband. The processing device includes an optical emitter configured to emit light; an optical receiver configured to receive reflected light, the reflected light being generated by the light emitted by the optical emitter irradiating a skin for conversion into an electrical signal; and a processor configured to process the electrical signal to obtain heart rate information of a user.

Smart watch and method for measuring heart rate

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 quantum dot light-emitting device and a manufacturing method therefor, and a display panel. The quantum dot light-emitting device comprises: a quantum dot layer and an electron transport layer adjacent to the quantum dot layer; the electron transport layer comprises a first group, and the quantum dot layer comprises a second group; the first group and the second group each comprise a hydrophilic group. The first group and the second group are combined by means of a hydrogen bond on contact surfaces of the quantum dot layer and the electron transport layer, to enhance an interface interaction force between the quantum dot layer and the electron transport layer, thereby reducing interface defects of the quantum dot layer and the electron transport layer, and improving the electroluminescence performance and stability of the quantum dot device.

Quantum dot light-emitting device and manufacturing method therefor, and display panel

A display panel and a display device are provided. The display panel includes sub-pixels, data lines and gate lines. The sub-pixels include pixel circuits connected to the data lines and the gate lines. The display panel includes display subregions and selection signal line groups in one-to-one correspondence, each display subregion includes at least two sub-pixels, each selection signal line group includes selection signal lines, and the selection signal lines corresponding to different display subregions are insulated from each other; the pixel circuit includes a transistor in which an active semiconductor layer includes a first part and a second part, the first part overlaps with the gate line electrically connected with the transistor, and the second part overlaps with at least one selection signal line, and the gate line and the selection signal line are both configured to turn on the transistor upon being input with a turn-on voltage.

A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.

A display substrate and a display device are disclosed. The display substrate includes a light-transmitting region, wherein the light-transmitting region includes a plurality of rows of effective sub-pixel sets and a plurality of main spacers, each row of the plurality of rows of effective sub-pixel sets includes a plurality of effective sub-pixel sets, each of the plurality of effective sub-pixel sets includes a plurality of effective sub-pixels, any two adjacent effective sub-pixel sets in a same row are spaced apart from each other by one main spacer, the main spacer includes at least two sub-spacers arranged along a column direction. At least two sub-spacers arranged along a row direction have different widths; and/or at least two sub-spacers of a same main sub-spacer have different widths.

Display substrate and display device

A display method is provided. The display method includes providing a display panel having a plurality of subpixels, a respective subpixel of the plurality of subpixels including a first area, nnumber of second areas, and nnumber of third areas, the first area being between the nnumber of second areas and the nnumber of third areas, n≥1, and n≥1; for displaying a first frame of image, controlling light emission of the respective subpixel to be limited in the first area, mnumber of the nnumber of second areas, and mnumber of the nnumber of third areas; and for displaying a second frame of image, controlling light emission of the respective subpixel to be limited in the first area, m' number of the nnumber of second areas, and m′ number of the nnumber of third areas.

Display method and display apparatus

The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

Gate driving circuit, method of driving gate driving circuit, and display panel

Disclosed are a quantum dot light-emitting device and a driving method thereof, and a display substrate. The quantum dot light-emitting device has a laminated structure, the laminated structure may be simplified into a quantum dot light-emitting device of one upright light-emitting structure and one inverted light-emitting structure, and the upright light-emitting structure and the inverted light-emitting structure are placed in a laminated mode through a layer of a common electrode.

Quantum dot light-emitting device and driving method thereof, and display substrate

A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.

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

The present disclosure discloses a nanoparticle having a ligand with a changeable polarity, a nanoparticle layer patterning method and related application. When the nanoparticle disclosed by the present disclosure is adopted to form a patterned nanoparticle layer on a substrate, a photosensitive material is added in the nanoparticle, then a protective group in a first ligand is dissociated to form an amino under the irradiation of light with a preset wavelength, a second ligand including an amino is formed on a surface of a nanometer particle, and a polarity of the second ligand is different from a polarity of the first ligand; and the amino of the second ligand is cross-linked with an adjacent nanoparticle.

Nanoparticle having dissociable protective group, nanoparticle layer patterning method and related application

Growing community of inventors

Beijing, China

Tieshi Wang