Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Hui Jing

Qi Hu

Weijing Liao

Xiaofeng Wang

Zhubing Huang

Defa Ruan

Wenhao Wang

Yanping Hong

Qiang Xiang

De Yu

Laifeng Liu

Danhong Zhao

The present disclosure provides a shift register and a driving method thereof, a gate driving circuit and a display device. The shift register includes: a pre-charging circuit coupled to a pre-charging signal input terminal and a pull-up node to pre-charge a potential of the pull-up node; a pull-down control circuit coupled to the pull-up node, a pull-down node and a reset signal input terminal to pull down a potential of the pull-down node or pull up the potential of the pull-down node; a pull-up circuit coupled to the pull-up node and a signal output terminal to pull up a potential of the signal output terminal; a pull-down circuit coupled to the pull-down node and the signal output terminal to pull down the potential of the signal output terminal; reset circuit coupled to the pull-up node and the pull-down node reset the potential of the pull-up node.

Shift register and driving method thereof, gate driving circuit and display device

A shift register unit and a driving method therof, a gate drive circuit and a display device are disclosed. The shift register unit includes an input circuit, a reset circuit, a first anti-leakage circuit and an output circuit. Because the signal of the pull-up node is provided to the first node and the second node by the first anti-leakage circuit, internal potential difference among the input circuit, the reset circuit, and the first anti-leakage circuit is relatively small, the input circuit is connected with the pull-up node, the reset circuit is connected with the pull-up node and the second node simulatneously, and the first anti-leakage circuit is connected with the first node, the pull-up node and the second node simultaneously.

Shift register unit and driving method thereof, gate drive circuit and display device

An aging detection circuit, an aging compensation circuit, a display panel, and an aging compensation method are provided. The aging detection circuit includes: a first current mirror circuit, a second current mirror circuit, a voltage converter and an analog-digital converter. An input terminal of the first current mirror circuit is electrically coupled to an initial reference voltage terminal and an anode of a to-be-detected light-emitting diode respectively, and an output terminal of the first current mirror circuit is electrically coupled to an input terminal of the second current mirror circuit. An output terminal of the second current mirror circuit is electrically coupled to an input terminal of the voltage converter.

Aging detection circuit, aging compensation circuit, display panel and aging compensation method

The embodiments of the present disclosure disclose a pixel driving circuit, a pixel driving method and a display apparatus. A pixel driving circuit for driving a light emitting element, comprising: a first control sub-circuit providing a data signal terminal signal to a first node based on a first signal control terminal signal; a second control sub-circuit providing a first power source terminal signal to a fourth node based on a third signal control terminal signal, and a signal of the fourth node to a second node based on a second signal control terminal signal; a third control sub-circuit providing a second power source terminal signal to a third node based on a fourth signal control terminal signal; an energy storage sub-circuit storing a potential difference between the first node and the second node; and a driving sub-circuit transmitting a driving current for driving the light-emitting element.

Pixel driving circuit, pixel driving method and display apparatus

Provided is an array substrate including gate lines, data lines, and a first alignment layer above a layer where the gate lines are located and a layer where the data lines are located, the gate lines and the data lines being arranged to intersect with each other to divide the array substrate into pixel regions. Each pixel region includes first and second sides opposite to each other and third and fourth sides opposite to each other, each of the first and second sides connecting the third side to the fourth side and extending in one direction, lengths of the first and second sides being greater than lengths of the third and fourth sides, the first alignment layer having a first alignment direction, and each of the first and second sides forming an acute angle with the first alignment direction. A display panel and a display device are also provided.

Array substrate, display panel and display device for improving alignment defects

A display panel and a testing method thereof, a display device are provided. The display panel includes a plurality of data lines and a plurality of test signal lines, an even number of adjacent data lines are grouped as a data line group, one test signal line is provided at a middle position of the data line group, a plurality of data line groups are in one-to-one correspondence with the plurality of test signal lines, each of the plurality of test signal lines includes a first extending part and a plurality of second extending parts coupled to the first extending part, and each of the second extending parts extends symmetrically at both sides of the first extending part.

Display panel and testing method thereof, display device

The invention provides a cloth taking-up device including: a platform, on which glue/cloth to be taken-up are disposed; and a clamp part movable with respect to the platform, which can clamp a roller and roll the glue/cloth to be taken-up successively onto the roller. An outside surface of the platform has an included angle of 0&#xb0;-180&#xb0; with respect to the horizontal plane, on which the glue/cloth to be taken-up are disposed, and the clamp part can keep the roller in parallel with the outside surface. The cloth taking-up device can avoid uneven pressure applied to the glue/cloth to be taken-up in the down-press manner, improving uniformity of taken-up glue/cloth. Meanwhile, the foreign matters on the glue/cloth to be taken-up can easily fall off, and the foreign matters on the rollers cannot drop onto the glue/cloth to be taken-up with the rotation, thereby ensuring glue/cloth taking-up quality.

Cloth taking-up device

The present invention provides a liquid crystal display substrate and a preparation method thereof, which belongs to the technical field of liquid crystal display and may solve the problem that vias in the existing liquid crystal display substrate will result in non-uniform thickness of an alignment layer and thus influence the display effect. The liquid crystal display substrate provided by the present invention comprises a plurality of display structures, and an alignment layer located above all the display structures, wherein at least some of the display structures are provided therein with vias, and at least some of the vias are surrounded by baffle walls that are located under the alignment layer.

Liquid crystal display substrate and preparation method thereof

The disclosure relates to an apparatus for keeping a friction roller. The apparatus for keeping a friction roller comprises a cylinder provided with a plurality of brackets for storing the friction roller, a friction roller pick-and-place execution unit for picking and placing the friction roller, a cylinder driving unit for driving the cylinder to rotate, a storage sensor unit for sensing whether a friction roller exists on a bracket, a pick-and-place position sensor unit for sensing whether a bracket arrives at a pick-and-place position of the friction roller, and a control unit. The apparatus for keeping a friction roller according to the disclosure may access more friction rollers accurately; and the stroke of the action of picking and placing a friction roller is relatively short, such that the work efficiency of picking and placing a friction roller is also increased very greatly.

Apparatus for keeping a friction roller

Embodiments of the present invention provide a wearable apparatus, a detection system and a detection method. The wearable apparatus includes a frame, a controller and LCD lenses. The controller and the LCD lenses are provided on the frame. The frame is used for fixing the LCD lenses in front of human eyes, the controller is used for applying a predetermined voltage to the LCD lenses, and the LCD lenses are used for displaying a color corresponding to the predetermined voltage according to the applied predetermined voltage, so that the detection system, in which the wearable apparatus is applied, can detect qualified rate of the display panel under light with any colors by equipping with a white light source only, thereby reducing the apparatus cost. In addition, it is possible to switch over among different display colors conveniently and efficiently for the wearable apparatus, thereby improving the efficiency of detection.

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Beijing, China

Hui Jing