Beijing Baidu Netcom Science and Technology Co., Ltd.

Boe Technology Group Co., Ltd.

China University of Mining and Technology

Infineon Technologies Ag

Chengdu Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Baidu Netcom Science Technology Co., Ltd

Beijing Bayi Space Liquid Crystal Technology Co. Ltd.

Jia Zhao

Di Wu

Jingyuan Zhang

Jingbo Fan

Ruili Qiao

Yuan Ye

Yi Wang

Li Lei

Pinfan Wang

Fangxu Cao

Qiang Wu

Yifan Zeng

Jing Wang

Ming Liu

Hongwei Tian

Hao Li

Donghui Yang

Junhao Ren

Zilong Yuan

Zheng Liu

Qiuhua Meng

Ziang Han

Zeyang Liu

Liqiang Chen

Fei Chen

Haidong Wu

Hui Sun

Haoran Wang

Ziyu Zhang

Xiaobo Du

Meng Xu

Jiafan Shi

Zunqing Song

Yaming Wang

Bei Wang

Kun Zhang

Chunsheng Liu

Jianbo Sun

Mengyuan Pang

Huameng Liu

Yibing Fan

Xianhui Wang

Youwen Cheng

Qingyi Wang

Jianhua Cao

Chenghui Li

Weidong Jiang

Meiyan Wang

Fulong Zhai

Zhuangjie Cui

A flexible display screen includes a main display portion, a first bending portion, a second bending portion and a corner bending portion. The main display portion includes a first side, an arc-shaped side and a second side that are connected in sequence. The first bending portion is located on a side of the main display portion where the first side is located, and is connected to the first side. The second bending portion is located on a side of the main display portion where the second side is located, and is connected to the second side. The corner bending portion is located on a side of the main display portion where the arc-shaped side is located, and is connected to the arc-shaped side. A plurality of openings are disposed in the corner bending portion, and face a bending direction of the corner bending portion.

Flexible display screen and method for assembling the same, and electronic apparatus

An OLED display device and a preparation method thereof are provided. The OLED display device includes a flat region and a bent region around the flat region; the bent region is bent toward a backlight side of the flat region, and the bent region includes at least one stretching region; the stretching region comprises a display region and a first etching region, the first etching region is located at an edge of the display region away from the flat region and is connected with at least part the edge of the display region at the side away from the flat region; the display region includes at least one opening, and a boundary of the first etching region and the display region bypasses the opening; the display region includes a first display film layer, and the first etching region is a region where the first display film layer is etched away.

OLED display device and preparation method thereof

Disclosed are a coal mining system and a coal mining method. The coal mining system includes: a mechanical coal breaking module, an air lift reverse circulation module, a jet coal breaking module, and a coal-air-water separation module. The mechanical coal breaking module includes: a drill pipe rotating device, a drill pipe, and a reamer bit, sequentially connected to perform rotary cutting, drilling and slotting operations on a coal seam in a borehole. The air lift reverse circulation module includes: an air compressor and a dual-wall drill pipe. The air compressor is configured to transport a coal-air-water mixture through an inner pipeline of the dual-wall drill pipe to the coal-air-water separation module. The jet coal breaking module includes: the drill pipe rotating device, a fracturing truck, the drill pipe, and a jet tool string, sequentially connected to mine the coal seam.

Coal mining system and method of dual circulation drilling with mechanical reaming and abrasive jet

A display substrate has a central region and an edge region, and includes a plurality of structural units arranged in an array in the central region and the edge region; each structural unit is provided with a plurality of through holes, and divided by the plurality of through holes into a pixel island for displaying and a bridge portion for transmitting signals; the plurality of through holes are arranged around the pixel island; a part of the bridge portion is positioned between the pixel island and the through holes, and another part of the bridge portion is positioned between adjacent through holes; and a pixel pitch between adjacent pixel islands in the structural units in the edge region is equal to a pixel pitch between adjacent pixel islands in the structural units in the central region.

Display substrate and manufacturing method therefor, and display apparatus

A coal rock interface directional detection device based on elastic waves includes: a probe body including an elastic wave receiving device and an elastic wave excitation device spaced set at the top; a protective tube with one end connected to the adapter. The protective tube includes a collection circuit board inside the protective tube, and the collection circuit board is electrically connected to the elastic wave receiving device and the elastic wave excitation device; a sleeve, installed outside the protective tube, with one end connected to the side of the probe body near the adapter and with the other end connected to the side of the protective tube away from the adapter; and a control host, wirelessly connected with the acquisition circuit board. A coal rock interface directional detection method based on elastic waves applied in the coal rock interface directional detection device is also disclosed.

Coal rock interface directional detection device and method based on elastic waves

A coal and coalbed methane mining system based on ground drilling includes: a drilling component, a coal mining drill bit and a ground facility group. The coal mining drill bit is set at a predetermined end of a directional borehole in a coal seam, connected to the drilling component through a connecting pipeline. The ground facility group is connected to the drilling component, to provide coal cutting slurry for the coal mining drill bit, receive reflux slurry carrying coal and coalbed methane, and precipitate and separate the reflux slurry carrying the coal and the coalbed methane. A coal and coalbed methane mining method based on ground drilling and related devices are also disclosed.

Coal and coalbed methane mining system based on ground drilling, method and related device

Disclosed are an integrated mining method and an integrated mining system of coal breaking, coal extraction and water circulation in a U-well. The integrated mining system includes a first ground facility unit, a second ground facility unit, a jet unit and an extraction unit. The first ground facility unit is configured to transport jet fluid to the jet unit. The jet unit is configured to break a coal seam in a sub-segment to obtain broken cinders. The extraction unit is configured to extract a coal-water mixture. The second ground facility unit is configured to receive the coal-water mixture. In response to determining that an extraction of the sub-segment is complete, the jet unit and the extraction unit is configured to move to a next sub-segment using powers provided by the first ground facility unit and the second ground facility unit.

Integrated mining method of coal breaking, coal extraction and water circulation in U-well and system thereof

The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.

Method for fabricating displaying backplane, displaying backplane and displaying device

A stretchable display panel, a preparation method therefor, and a display apparatus, relating to the technical field of display. Wherein the stretchable display panel includes an island region () disposed with a display apparatus (A), a bridge region () disposed with wiring (B), and a hole-region (). A separation region () is disposed at an edge of the island region () and/or an edge of the bridge region (). The separation region () includes a slope layer () and a plurality of isolation columns () disposed along a slope plane of the slope layer ().

Stretchable display panel, preparation method therefor, and display apparatus

A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a display region and a bezel region. The display region includes a plurality of sub-pixels, and the display region includes a main display region and a plurality of corner display regions. The corner display region includes a first display region and a second display region, a distance between a center point of the first display region and a center point of the main display region is smaller than a distance between a center point of the second display region and the center point of the main display region; and a structure of sub-pixels of the first display region is different from a structure of sub-pixels of the second display region.

Display substrate including first and second corner display regions having different layer thickness and hole regions

Provided are a method and apparatus for processing map information, a device, and a storage medium which relate to the field of computer technology and, in particular, to the fields of intelligent transportation and computer vision technology. The specific implementation includes that an object in an image for query is recognized to obtain an object recognition result and that a target point of interest matching the image for query is selected from at least one candidate point of interest of an electronic map according to the object recognition result.

Method and apparatus for processing map information, and storage medium

The present invention relates to an organic compound, an organic electroluminescent material, and an organic electroluminescent element. The structural formula of the compound is shown in formula (I). When the organic compound of the present invention is used for preparing an organic electroluminescent element, the electron mobility, thermal stability, and luminescent characteristics are excellent; and the organic compound can be applied to an organic layer of the organic electroluminescent element. The organic compound of the present invention has a relatively good film-forming property; and when same is applied to an electron transport layer and an electron transport auxiliary layer, an organic electroluminescent element, which has a lower driving voltage, a higher light emission efficiency, and a longer service life than existing electron transport materials, can be manufactured, and thus, a full-color display panel with having improved performance and a prolonged service life can be manufactured.

Organic electroluminescent element having an organic compound

The present disclosure provides a method for fabricating a displaying backplane, a displaying backplane and a displaying device, and relates to the technical field of displaying. The method includes forming a first active layer and a second active layer on a substrate base plate; forming a first grid insulating layer covering the first active layer and the second active layer; forming a first grid on the first grid insulating layer; performing ion implantation to the first no-channel regions, the second no-channel regions and the second channel region, to reduce oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region; and forming a second grid on the first grid insulating layer.

Mobile phone display screen with graphical user interface

Disclosed are a display panel, a manufacturing method and a stretchable display device. The display panel includes a rigid substrate; a flexible substrate and an encapsulation layer. The flexible substrate includes a plurality of through-groove structures and at least one through-groove structure includes a non-fixed region and a fixed region surrounding the non-fixed region. A portion of the encapsulation layer located in the at least one through-groove structure includes a first sub-portion located in the fixed region and attached to the rigid substrate and a second sub-portion located in the non-fixed region and attached to the rigid substrate by an organic separation layer, the second sub-portion is configured to be separated from the rigid substrate in a case of gasification of the organic separation layer, and the first sub-portion is configured to be lifted off from the flexible substrate together with the rigid substrate under an external force.

Display panel, manufacturing method and stretchable display device

Growing community of inventors

Beijing, China

Jia Zhao