Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Connetech Electronics Technology Co., Ltd.

Zhongying Yang

Jianpeng Wu

Chang Luo

Fengli Ji

Yinan Liang

Yi Qu

Yang Xia

Weiwei Ding

Lan Lan

Xiushan Hu

The present application provides a magnetostrictive liquid level meter and a liquid level measurement method thereof and belongs to the technical field of a liquid level meter. The meter comprises a holder; several measurement units configured to be fixed sequentially to the holder along a lengthwise direction of the holder; several waveguide wires configured to be connected with the several measurement units in a one-to-one correspondence mode, wherein each waveguide wire is arranged along the lengthwise direction of the holder, and a tail end of a upper waveguide wire is at least extended to a head end of a lower waveguide wire; and the magnetic float configured to be sheathed outside the holder, wherein the magnetic float moves up and down along the holder when a liquid level is changed, and one or more waveguide wires are located in a magnetic field formed by the magnetic float.

Magnetostrictive liquid level meter using multiple waveguide wires and liquid level measurement method thereof

A mask, a manufacturing method therefor, and a manufacturing method for a display substrate are provided. The mask includes: a first clamping region and a second clamping region, which are opposite to each other in a first direction, and at least one mesh region between the first clamping region and the second clamping region, the mesh region is in a first shape, in a case where the mask is stretched in the first direction, the mesh region is in a target shape, the target shape is different from the first shape, and the target shape includes a polygon shape, a circle shape, or an ellipse shape.

Mask and manufacturing method therefor, and manufacturing method for display substrate

A design method of a metal mask, a manufacturing method of the metal mask and a computer-readable storage medium are provided. The design method of a metal mask includes: calculating amounts of deformations of the metal mask in two directions perpendicular to each other based on a stretching force of the metal mask in use and deformation properties of the metal mask in the two directions; and compensating the deformations of the metal mask in the two directions by compensation amounts for the deformations, which are identical and opposite to the amounts of the deformations of the metal mask in the two directions, respectively.

Method of metal mask and manufacturing method of metal mask

A tensioning device, including a base configured to carry a mask plate, a clamp configured to clamp the mask plate, and a deformation adjusting assembly provided on the base or on the clamp, wherein the deformation adjusting assembly is configured to adjust a deformation of an end portion of the mask plate protruding from the base in a direction of gravity when the base carries the mask plate, so as to make the deformation less than a preset deformation threshold. A base, a clamp and a clamping for the mask plate are also provided.

Tensioning device, base, clamp and method for clamping mask plate

The present application discloses an evaporation crucible including a crucible body and a plurality of nozzles connected to the crucible body. Each of the plurality of nozzles has an opening on a side distal to the crucible body. The plurality of nozzles include a first nozzle on a first edge of the plurality of nozzles. The first nozzle has a first height relative to a surface of the crucible body on a side proximal to the first edge greater than a second height relative to the surface of the crucible body on a side distal to the first edge.

Evaporation crucible and evaporation apparatus

A method of manufacturing a display substrate and a display substrate motherboard. The method of manufacturing the display substrate includes: providing a base substrate including a first main surface and a second main surface opposite to each other and divided into at least one active region and a dummy region located around the active region; forming a magnetic layer on at least one of the first main surface within the dummy region and the second main surface; and forming an element layer on the first main surface.

Method of manufacturing display substrate and display substrate motherboard

A pixel arrangement structure is disclosed including a plurality of repeatedly arranged groups of sub-pixels. Each group of sub-pixels includes: one first sub-pixel and two second sub-pixels sequentially arranged in an i-th column, i being a natural number; two third sub-pixels and one first sub-pixel sequentially arranged in an (i+1)-th column; two second sub-pixels and one first sub-pixel sequentially arranged in an (i+2)-th column; and one first sub-pixel and two third pixels sequentially arranged in an (i+3)-th column. Also disclosed is a display panel including pixels arranged in accordance with the pixel arrangement structure, a display device including the display panel, and a set of masks for vapor-depositing an organic luminescent material in fabricating an organic luminescent display panel.

Pixel arrangement structure, display panel, display device each having groups of sub-pixels with each type of sub-pixel including four sub-pixels of the same color

The present application discloses a display panel having a display area tessellated by repetition of a first subpixel group. The display panel includes an array of a plurality of first subpixel groups. Each of the plurality of first, subpixel groups includes a first subgroup and a second subgroup sequentially along a first direction. The first subgroup includes, a first subpixel of a first color, a first subpixel of a second color, and a first subpixel of a third color, sequentially along a second direction, the second direction being different from tire first direction. The second subgroup includes a second subpixel of the third color, a second subpixel of the second color, a second subpixel of the first color, a third subpixel of the third color, a third subpixel of the second color, and a third subpixel of the first color, sequentially along the second direction.

Display panel, display apparatus, and mask plate for fabricating display panel

Provided are an OLED array substrate and a manufacturing method thereof, and a display device. The OLED array substrate includes a substrate and a plurality of pixel units provided thereon. The plurality of pixel units are arranged into a plurality of rows extending in a first direction and a plurality of columns extending in a second direction. Each pixel unit includes a plurality of subpixels emitting light of different colors. At least two subpixels emitting light of the same color are adjacent to each other in at least one of the first direction and the second direction.

Growing community of inventors

Beijing, China

Zhongying Yang