Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Tanway Technology (beijing) Co., Ltd

Beijing Xiaomi Mobile Software Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Petrochina Company Limited

Beijing Xiaomi Mobile Software Co., Ltd. Nanjing Branch

Hongpeng Li

Pengxia Liang

Zheng Fang

Yanliu Sun

Jiahui Han

Ge Shi

Jian Li

Song Yang

Yujie Liu

Jingpeng Li

Sunghun Song

Hyunsic Choi

Yuguang Fan

Luofeng Shen

Ruitong Zheng

Shiwei Wang

Xue Dong

Wei Wang

Wei Sun

Hong Mei Zhang

Libo Wang

Ang Xiao

Tong Liu

Qian Wu

Yan Yang

Tingze Dong

Weixin Meng

Han Gao

Dawei Zhang

Shichao Wang

Sung Hun Song

Jun Mo

Xianming Xu

Yulong Wang

Meina Yu

Lu Tian

Xiuhui Wang

Hongling Chu

Yuanyuan Cao

Feifei Shi

Minqiang Yang

Baige Wang

Zhengjie Zhang

Jiawei Shan

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

Provided is a display module. The display module includes: a base substrate, and a plurality of pixel circuits arranged in an array, a plurality of pixel electrodes arranged in an array, a liquid crystal layer, and a light source that are disposed on a side of the base substrate and successively arranged along a direction away from the base substrate; wherein the pixel circuit at least comprises a drive transistor, the drive transistor comprising a gate electrode, a first electrode, and a second electrode; and the pixel electrode at least comprises a reflective electrode.

Display module and method for driving same, and display device

The disclosure provides a display apparatus and a display method thereof. The display apparatus includes: a display panel, including a plurality of pixel columns which extend in a first direction and are arranged in a second direction, wherein each of the pixel columns includes a plurality of pixel islands arranged in the first direction, each of the pixel islands includes at least four sub pixels which have the same color, and in the second direction, (odd number)pixel columns are dislocated by a first preset distance relative to (even number)pixel columns in the first direction; a light-transmitting pad layer, located on a light-emitting side of the display panel; and a cylindrical lens structure, located on one side of the light-transmitting pad layer face away from the display panel and including a plurality of cylindrical lenses.

Display apparatus and display method thereof

The present disclosure provides a lidar system. The lidar system includes: an optical rotating mirror and at least two laser transceiving modules. Each laser transceiving module includes a transmitting unit and a receiving unit. The transmitting unit is configured to transmit a laser signal. The optical rotating mirror is configured to rotate around a rotating axis in a vertical direction, receive the laser signal and adjust a direction of the laser signal during rotation, and reflect the laser signal to a target object. The laser signal is diffusely reflected on the target object, which produces an echo signal. The echo signal is reflected by the optical rotating mirror and is then received by the receiving unit. The receiving unit includes a plurality of detectors arranged in an array.

Lidar system

A display screen, a terminal device, and an imaging control method are provided for an under-screen camera. The display screen includes a transparent substrate and a diffraction compensation pattern. The upper surface of the transparent substrate comprises a luminescent material. The diffraction compensation pattern is disposed below the transparent substrate and configured to compensate a diffraction image resulted from incident light passing through the luminescent material.

Display screen, terminal device and imaging control method for under-screen camera

An image fusion method based on image and LiDAR point cloud is provided. The method comprises: acquiring a first image and sparse point cloud data, point cloud data in each channel of the sparse point cloud data corresponding to pixels in the first image respectively, and the sparse point cloud data and the first image having space and time synchronicity; obtaining a target gradient value corresponding to at least one target pixel in the first image according to the first image, the target pixel being a non-edge pixel of the first image; up-sampling the sparse point cloud data based on at least one target gradient value to obtain dense point cloud data, the target gradient value being determined according to a corresponding target pixel between adjacent channels of the sparse point cloud data; and obtaining a target fusion image based on the first image and the dense point cloud data.

Methods, devices, apparatuses, and media for image fusion utilizing images and LiDAR point clouds

The present disclosure provides an array substrate and a liquid crystal display panel, belonging to the file of display technology. The array substrate includes a base substrate, a first electrode, an insulating dielectric layer and a second electrode stacked in sequence; the second electrode is provided with at least one hollow hole, and the hollow hole is in a shape of convex polygon, circle or ellipse.

Array substrate and liquid crystal display panel

An array substrate is provided. One of a first electrode layer and a second electrode layer in the array substrate includes at least one slit electrode. The slit electrode is disposed between two adjacent data leads in the array substrate, and includes an electrode connecting portion and a plurality of first strip-shaped sub-electrodes. The electrode connecting portion includes a first connecting section parallel to and adjacent to the data lead. A width of the first strip-shaped sub-electrode gradually decreases along a direction going away from the first strip-shaped sub-electrode, and a distance between two adjacent first strip-shaped sub-electrodes in a direction parallel to an extending direction of the first connecting section gradually increases along the direction going away from the first connecting section.

Array substrate, display panel and display apparatus

The present disclosure provides a narrow-pulse-width pulse laser, including a circuit substrate, a laser chip, one or more capacitors, and a field effect transistor. Each of the field effect transistor, the capacitor, and the laser chip is electrically connected to the circuit substrate. The capacitors are arranged between the field effect transistor and the laser chip along an extension direction of a gap between the field effect transistor and the laser chip. The circuit substrate may include a first conductor layer; a second conductor layer; and an insulating layer arranged between the first conductor layer and the second conductor layer, wherein the first conductor layer and the second conductor layer are electrically connected through a via hole in the insulating layer.

Narrow-pulse-width pulse laser

An array substrate is provided. One of a first electrode layer and a second electrode layer in the array substrate includes at least one slit electrode. The slit electrode is disposed between two adjacent data leads in the array substrate, and includes an electrode connecting portion and a plurality of first strip-shaped sub-electrodes. The electrode connecting portion includes a first connecting section parallel to and adjacent to the data lead, and a distance between two adjacent first strip-shaped sub-electrodes in a direction parallel to an extending direction of the first connecting section gradually increases along a direction going away from the first connecting section.

A display substrate, a method for manufacturing the same and a display device are provided. The display substrate includes: a base substrate; and an alignment layer and multiple supporting spacers, which are on the base substrate. The alignment layer is formed by performing rubbing alignment on an alignment film formed on the base substrate by using a rubbing cloth. A distance between adjacent ones of the multiple supporting spacers in a rubbing alignment direction of the alignment film, and a length of a contact between a fiber of the rubbing cloth and the alignment film during the rubbing alignment meet a first preset condition, so that a number of supporting spacers that are passed through by the fiber of the rubbing cloth during each contact between the fiber and the alignment film is less than or equal to a first threshold value.

Display substrate, method for manufacturing the same and display device

A sealant and a preparation method thereof, a display panel motherboard and a manufacturing method thereof are disclosed. The sealant includes a main adhesive material and a water swellable material dispersed and doped in the main adhesive material. The sealant and the preparation method thereof, the display panel motherboard and the manufacturing method thereof are capable of solving a problem of a notch formed in a sealant where a etchant flows into the display panel unit when the display panel mother board is subjected to a thinning treatment.

Sealant and preparation method thereof, and display panel motherboard and manufacturing method thereof

The present application provides a display substrate and a display device. The display substrate includes a display region and a non-display region, a surface layer of the display region being rubbed to form an alignment layer, the non-display region being provided with a test electrode, the test electrode including multiple strip-shaped first sub-electrodes, the extending direction of the first sub-electrodes being the same with the direction of the rubbing for forming the alignment layer. By dividing the test electrode into multiple strip-shaped first sub-electrodes and the extending direction of the first sub-electrodes (i.e., the length direction) being the same as the rubbing direction of the rubbing to form an alignment layer, the display substrate can make the alignment of the alignment layer formed by the rubbing consistent and uniform, thereby avoiding the occurrence of Rubbing Mura when the alignment layer is formed by the rubbing.

Display substrate and display device

A frame sealant composition, a display panel and a display device are provided, and the frame sealant composition includes a frame sealant () and an elastomer (), wherein upon the frame sealant composition being used for cell-assembling of two substrates (), the elastomer () is pressed by the two substrates () to form a barrier structure. With the frame sealant composition provided by the embodiment of the present disclosure, an impact of the liquid crystal layer () to the frame sealant in the process of cell-assembling the two substrates is effectively reduced, and a puncture resistance of the frame sealant is improved, thereby a product yield is increased.

Frame sealant composition, display panel and display device

This disclosure discloses an alignment device and a method of manufacturing an alignment film, and a display substrate. The alignment device comprises a first exposure chamber that contains a first light box and a light-shielding plate for blocking light emitted from the first light box from irradiating the alignment region of the alignment film. The light emitted from the first light box is used to irradiate a non-alignment region so as to eliminate the alignment film in the non-alignment region.

Alignment device and manufacturing method of alignment film and display substrate

Growing community of inventors

Beijing, China

Hongpeng Li