Boe Technology Group Co., Ltd.

China Academy of Telecommunications Technology

Petrochina Company Limited

Beijing Boe Technology Development Co., Ltd.

Beijing Shiyan Technology Co., Ltd.

Shanghai Ultimate Power Communications Technology Co., Ltd.

East China University of Science

Libo Wang

Feng Zhang

Detian Meng

Zhijun Lv

Wenqu Liu

Liwen Dong

Zhao Cui

Xiaoxin Song

Qi Yao

Dongfei Hou

Xueming Pan

Zukang Shen

Guojun Xiao

Wenjian Zhang

Haitao Huang

Xue Dong

Xiuhui Wang

Yali Wang

Renquan Gu

Yang Yue

Sihan Wang

Fuling Huang

Buwei Yu

Wei Sun

Guangcai Yuan

Chuanxiang Xu

Tong Liu

Jing Yu

Lizhen Zhang

Xianming Xu

Yulong Wang

Hongling Chu

Xuemei Han

Yuanyuan Cao

Changfeng Li

Yu Yang

Zhongyuan Wu

Deshan Miao

Shaohui Sun

Rui Liu

Kuanjun Peng

Tieshi Wang

Minglei Chu

Jiankang Sun

Kang Guo

Yan Jiang

Dini Xie

Hongrun Wang

Jiushi Wang

Qian Chen

Han Gao

Jinling Hu

Baojun Zhang

Guizhi Wang

Deshun Zhang

Shukun Sun

Jiabo Qu

Gang Wang

Kecun Ma

Enhao Sun

Wei Wang

Qiubin Gao

Wenbo Li

Jifeng Tan

Can Wang

Jie Zhang

Jing Liu

Yanbing Wu

Xiandong Meng

Fuqiang Li

Xin Gu

Hua Yin Huang

Yu Wang

Yingmin Wang

Haixu Li

Shiyu Zhang

Meili Wang

Yu Ding

Jinye Zhu

Xiufeng Li

Shiqiang Suo

Yujie Liu

Min Liu

Ning Zhang

Hongpeng Li

Wenling Bai

Sheng Xu

Peng Wei

Chenggang Jiang

Liuqing Li

Hai Bi

Hua Li

Jianzhong Li

Weihong Guan

Yunguang Han

Changzheng Wang

Huaiqi Shao

Keke Liu

The present disclosure discloses a catalyst composition for polymerization of an α-olefin and preparation and use thereof. The catalyst composition comprises boron trifluoride and at least one protic cocatalyst; the protic cocatalyst has a structural formula of X—(CH)—OH, where n is an integer selected from 1 to 10; X is selected from nitro, halogen, cyano, sulfonic acid group, aldehyde group, acyl, carboxyl and amino. The catalyst can be used in production of a poly(α-olefin) synthetic base oil, and is particularly suitable for a low viscosity poly(α-olefin) synthetic base oil with high selectivity of the target product.

Catalyst composition for polymerization of α-olefin and preparation and use thereof

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

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 sound generating panel, a display device with a screen generating sound and a method for manufacturing a sound generating panel are provided. The sound generating panel includes sound generating unit groups, each of which includes sound generating units. Each sound generating unit includes a support layer with openings and two piezoelectric structures resonating through a cavity, improving a sound pressure generated by the sound generating panel. Each sound generating unit group includes sound generating units with different radii, thereby realizing sound generating at different frequencies, and improving a sound effect of the sound generating panel. Each of some sound generating unit groups includes ultrasonic detection units for detecting a distance between a listener and the sound generating panel, so that an effect of automatically regulating and controlling a volume of sound is realized. In the display device, the sound generating panel is on a display side of a display panel, so that sound waves can directly enter human ears. The sound generating panel provided by the present disclosure is capable of automatically regulating and controlling the volume of sound and having a vivid sound effect, and the sound generating panel is integrated to the display panel, improving a level of integration of a screen.

Sound generating panel and method for manufacturing the same, display device with screen generating sound

A driving backplane, a transfer method for a light-emitting diode chip (), and a display apparatus. The driving backplane comprises: a base substrate (), a driving circuit, a plurality of electromagnetic structures (), and a plurality of contact electrodes (). The plurality of electromagnetic structures () in the driving backplane are symmetrically arranged relative to a first straight line (L) and a second straight line (L). A current signal can be applied to each electromagnetic structure () by means of the driving circuit. Stress generated by a transfer carrier plate () according to the magnetic force of each electromagnetic structure () moves the transfer carrier plate (). When the transfer carrier plate () is stress balanced in each direction parallel to the surface of the transfer carrier plate (), the light-emitting diode chip () is precisely aligned to corresponding contact electrodes ().

Driving backplane, transfer method for light-emitting diode chip, display apparatus

Provided are a display substrate, a method for manufacturing a display substrate and a display apparatus. The display substrate includes a base, a drive structure layer disposed on the base, a light emitting element disposed on the drive structure layer, an encapsulation layer disposed on the light emitting element, a circular polarizer layer disposed on the encapsulation layer, and a lens definition layer and a lens structure layer disposed on the circular polarizer layer. The light emitting element includes a pixel definition layer provided with a plurality of sub-pixel openings; the lens structure layer includes a plurality of lenses disposed at intervals, the lens definition layer is disposed in a gap region between adjacent lenses, and an orthographic projection of each lens on the base contains an orthographic projection of a sub-pixel opening on the base.

Display substrate, preparation method therefor, and display apparatus

An embodiment of the present disclosure provides a display substrate. The display substrate includes a driver backplane, and a reflective structure and a pixel electrode on the driver backplane. Reflective structure and the pixel electrode are disposed sequentially away from the driver backplane along a thickness direction of the driver backplane. The pixel electrode is connected to the driver backplane through the reflective structure. A surface of the reflective structure away from the driver backplane is a reflective surface comprising a plurality of arc surfaces, and each of the plurality of arc surfaces is convex protruding towards a direction away from the driver backplane. The plurality of the arc surfaces are continuously arranged, and any two adjacent arc surfaces of the plurality of the arc surfaces are connected to each other.

Display substrate and manufacture method thereof, display panel and display module

Provided is a display substrate, which includes a base substrate, a circuit structure layer disposed on the base substrate, multiple ultrasonic sensing elements and multiple micro light-emitting elements. The multiple ultrasonic sensing elements are disposed on a side of the circuit structure layer away from the base substrate, and are electrically connected to the circuit structure layer, and the multiple light-emitting elements are disposed on the side of the circuit structure layer away from the base substrate, and are electrically connected to the circuit structure layer. An orthographic projection of the multiple ultrasonic sensing elements on the base substrate does not overlap with an orthographic projection of the multiple micro light-emitting elements on the base substrate.

Display substrate and preparation method thereof, and display apparatus

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.

Display panel and preparation method thereof

The disclosure provides a displaying substrate, a manufacturing method thereof, and a display panel, and relates to the technical field of display. The displaying substrate comprises a first supporting base (), plurality of vibrating element modules (), and a display module (). The display module () comprises display units (), connecting units () and hollowed-out units (). Each connecting unit () is located between two adjacent display units (). Each hollowed-out unit () is located between two adjacent display units () except an area where the corresponding connecting unit () is located. The hollowed-out units () are provided with cavities () corresponding to the vibrating element modules (). Orthographic projections of the hollowed-out units () on a reference plane cover orthographic projections of the vibrating element modules () on the reference plane. The vibrating element modules () and the cavities () form a transducer.

Displaying substrate, manufacturing method thereof, and display panel

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.

Backlight module, method for designing the same, and display device

This disclosure relates to a see-through display device, including: a collimated light source assembly, configured to form collimated light and control a light emitting direction; a first light extraction layer, configured to extract, in a collimated manner, the light ray transmitted inside the light guide plate through a light extraction outlet; an extinction layer and a second light extraction layer, wherein the extinction layer includes a light guide region and a light absorption region which are arranged alternately, and the second light extraction layer includes multiple light extraction inlets; a reflecting layer, arranged on a side, close to the light guide plate, of the second light extraction layer and configured to reflect the collimated light extracted from the light extraction outlet to the light guide plate; and a liquid crystal dimming layer. This disclosure further relates to a manufacturing method of the see-through display device.

See-through display device and manufacturing method thereof

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.

Micro-lens structure, displaying device, and machining method of micro-lens structure

Provided are a display panel and a preparation method thereof, and a display apparatus. The display panel includes a first display region, and the first display region includes multiple sub-display regions and a first light transmittance region located between adjacent sub-display regions. Each first sub-display region of the multiple sub-display regions includes a first light-emitting element and a first filter unit disposed in a first light-emergence direction of the first light-emitting element. Each second sub-display region in the multiple sub-display regions includes a first collimating light extraction element disposed in a second light-emergence direction of the first light-emitting element and a second filter unit disposed in a light-emergence direction of the first collimating light extraction element.

Display panel and preparation method thereof, and display apparatus

The present disclosure relates to a display substrate and a method for manufacturing the same. The display substrate includes: a substrate; a first electrode located on the substrate; and a conductive convex located on the first electrode. A dimension of a cross section of the conductive convex along a plane parallel to the substrate is negatively correlated to a distance from the cross section to a surface of the first electrode.

Display substrate and method for manufacturing the same

Growing community of inventors

Beijing, China

Libo Wang