Shenzhen China Star Optoelectronics Technology Co., Ltd.

Our United Corporation

Guangdong Midea Consumer Electric Manufacturing Co., Ltd.

Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Limited.

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Midea Group Co., Ltd.

Shenzhen Our New Medical Technologies Development Co., Ltd.

Mengmeng Zhang

Shuai Chen

Liyang An

Xi Peng

Xianan Liu

Bin Yang

Shouzhen Yue

Shishuai Huang

Jinsheng Li

Jianping Li

Qiaoqiao Song

Disclosed are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a pulse amplitude modulation driving circuit, a pulse width modulation driving circuit and an anti-leakage circuit. The pulse amplitude modulation driving circuit is configured to control an amplitude of a driving current provided to a light-emitting device to be driven. The pulse width modulation driving circuit is configured to control a pulse width of the driving current provided to a light-emitting device to be driven. The anti-leakage circuit is electrically connected between the pulse amplitude modulation driving circuit and the pulse width modulation driving circuit. The anti-leakage circuit is used for cutting off a current leakage path between the pulse amplitude modulation driving circuit and the pulse width modulation driving circuit.

Pixel driving circuit, driving method, and display panel

Beverage maker

Kettle body

Frying and grilling appliance

Disclosed a leaf positioning device () for a multi-leaf collimator, comprising: a plurality of positioning signal transmitters which are in the leaf guide rail box, wherein the plurality of positioning signal transmitters are arranged opposite to a first end surface of leaves of the multi-leaf collimator; a plurality of positioning signal receivers which are in the leaf guide rail box and corresponding to the plurality of positioning signal transmitters, wherein the plurality of positioning signal receivers are arranged opposite to a second end surface of the leaves of the multi-leaf collimator; wherein, the plurality of positioning signal transmitters are configured to transmit positioning signals to the plurality of positioning signal receivers, and the plurality of positioning signal receivers are configured to generate output signals according to the positioning signals; a positioning device which is connected to each of the plurality of positioning signal receivers, wherein the positioning device is configured to receive the output signals sent out by each of the plurality of positioning signal receivers, and positions the leaves of the multi-leaf collimator according to the output signals.

Leaf positioning device for multi-leaf collimator

A method and system of controlling a multi-leaf collimator, wherein steps of the method includes: receiving treatment data, and the treatment data includes position information of N treatment points, conformal position information of N treatment points and radiation field shapes of N treatment points; controlling a treatment head to a conformal position of a first treatment point, and controlling the multi-leaf collimator to begin to conform to a radiation field shape of the first treatment point so as to start a treatment of the first treatment point; controlling the treatment head to a conformal position of a Kth treatment point, and controlling the multi-leaf collimator to begin to conform to a radiation field shape of the Kth treatment point so as to start a treatment of the Kth treatment point; carrying out the described operations repeatedly until the conformation of the radiation field shape and the treatment of all treatment points are completed.

Method and system of controlling multi-leaf collimator

A multi-leaf collimator includes two leaf sets disposed opposite to each other, a plurality of drive devices, a U-shaped optoelectronic switching system, and a first processor. Each leaf set includes a plurality of leaves; each leaf is configured to move under driving of the corresponding drive device; one or more U-shaped optoelectronic switches in the U-shaped optoelectronic switching system are disposed at a side of the upper end surface and/or a side of the lower end surface of a leaf; the U-shaped optoelectronic switch includes a U-shaped groove, a transmitter and a receiver; the U-shaped optoelectronic switch system generates pulse signals when the leaf is configured to move in the U-shaped groove; the first processor is configured to process pulse signals output by the U-shaped optoelectronic switch system to obtain a quantized value of the state of motion of a leaf.

Multi-leaf collimator and radiotherapy device

An array substrate and a liquid crystal display panel are provided. The array substrate includes sub-pixel groups arranged in an array and each including first and second sub-pixels and a third switch assembly. The first sub-pixel includes a first main-zone electrode, a first sub-zone electrode, and a first switch assembly. The second sub-pixel includes a second main-zone electrode, a second sub-zone electrode, and a second switch assembly. The second switch assembly controls conduction of the second main-zone electrode and the second sub-zone electrode. The third switch assembly is connected to the first and second sub-zone electrodes and controls connection and conduction between the first and second sub-zone electrodes to reduce voltages of the first and second sub-zone electrodes. The array substrate helps reduce the number of switch units involved, simplifies the structure of pixels, lowers down fabrication cost, and also increases an aperture ratio of the liquid crystal display panel.

Array substrate and liquid crystal display panel

Disclosed is a method for manufacturing a flat liquid crystal display device film. According to the method for manufacturing the flat liquid crystal display device film, influence of a wiring thickness on topography of array film can be reduced. Without affecting a qualified rate of a product, a low-resistance wiring can be realized, and thus an RC delay during signal transmission of a large-sized panel can be reduced. Meanwhile, when the method is applied, a metal layer with a larger thickness relative to that of a metal layer made by a conventional method can be made. Therefore, wiring load of a large-sized panel can be reduced, resistance of signal line can be reduced. RC delay can be decreased, and display quality can be improved.

Method for manufacturing flat liquid crystal display device film

Cooker

The embodiment of the present invention provides a data voltage adjusting method of a liquid crystal display panel, comprising: obtaining a total variation amount of data voltages on all data lines in the liquid crystal display panel; calculating a maximum variation amount of the data voltages corresponding to a horizontal crosstalk index according to the horizontal crosstalk index of the liquid crystal display panel; determining whether an absolute value of the total variation amount of the data voltages is larger than an absolute value of the maximum variation amount of the data voltages corresponding to the horizontal crosstalk index; if yes, implementing a data voltage adjustment to data lines, in which with data voltages having variations in the liquid crystal display panel according to the total variation amount of the data voltages. The embodiment of the present invention further provides a data voltage adjusting device of a liquid crystal display panel.

Data voltage adjusting method of liquid crystal display panel and device

An array substrate includes a first light-shielding insulation layer formed on the substrate, for block a light entering the substrate, and including a first region and a second region, and each is made of an insulation material; a first function layer formed on the second region, under a light-shielding function of the second region, an affection of light is avoided; a second function layer formed above the first region of the first light-shielding insulation layer and the first function layer, under the light-shielding function of the first light-shielding insulation layer, an affection of light is avoided; and a third function layer formed above the second function layer, under the light-shielding function of the first light-shielding insulation layer, an affection of light is avoided; wherein, each of the first, the second and the third function layer is a conductor material or a semiconductor material. A photo-leakage current can be avoided.

Array substrate, liquid crystal display panel and manufacturing method for array substrate

The present disclosure provides a liquid crystal display panel composed of red pixel units, green pixel units and blue pixel units that are arranged in the form of matrix. Every adjacent two rows of pixel units form a pixel-unit group. Polarities of pixel units located at the same column in the same pixel-unit group are the same, and polarities of pixel units located at the same column in adjacent two pixel-unit groups are opposite, thus solving problem of color shift at large viewing angles. Polarities of adjacent red pixel units in each row of pixel units are alternately changed and polarities of adjacent blue pixel units in each row of the pixel units are alternately changed to alleviate grainy effect generated on the entire display image, thereby display effect is greatly enhanced. The present disclosure also provides a liquid crystal display device having the liquid crystal display panel.

Liquid crystal display panel having alternate polarities for pairs of pixels in column and liquid crystal display device having the same

A pixel structure and a liquid crystal display panel are provided. The pixel structure includes a first common electrode, a second common electrode set, a plurality of pixel units formed by a plurality of scanning lines crossing a plurality of data lines. Each of the pixel units corresponding to one of the scanning lines and one of the data lines. Each of the pixel units includes a main electrode, a secondary electrode, and a thin-film transistor. The main electrode corresponds to the first common electrode. The secondary electrode corresponds to the second common electrode set.

Pixel structure and liquid crystal display panel

The present invention provides a pixel unit and a driving method thereof. By electrically connecting the source of the charge sharing thin film transistor to the scan line corresponding to the next row of sub pixels of the sub pixel where the charge sharing thin film transistor is and setting the voltage level of the scan line corresponding to the next row of sub pixels to be the array substrate common voltage when the sub pixel is scanned, the main region and the sub region of the sub pixel have different voltage levels, and the additional arrangement of a line of the array substrate common voltage is not required. In comparison with prior art, the number of wires in the array substrate is reduced and the aperture ratio of the liquid crystal display panel is increased which facilitates the realization of the narrow frame of the liquid crystal display panel.

Growing community of inventors

Guangdong, China

Mengmeng Zhang