Boe Technology Group Co., Ltd.

Boe Mled Technology Co., Ltd.

Beijing Lihe Technology Ltd

Beijing Boe Optoelectronics Technology Co., Ltd.

Chinese Academy of Sciences

Beijing Boe Display Technology Co., Ltd.

Chongqing Boe Optoelectronics Technology Co., Ltd.

Roe Technology Group Co. Ltd

Junwei Zhang

Wei Hao

Lingyun Shi

Feifei Wang

Wengang Su

Xingce Shang

Kaimin Yin

Hao Chen

Zhiwu Wang

Huashu Li

Shuhang Li

Jinsong Dai

Qingli Ma

Taotao Duan

Wei Sun

Rui Liu

Xin Duan

Jigang Sun

Shaolei Zong

Yong Ying Gao

Rui Shi

Wenchieh Huang

Le Hu

Wenjie Jiao

Xue Dong

Xin Wang

Yang Wang

Feng Zhang

Can Zhang

Wei Bai

Hui Zhang

Fuqiang Li

Xiurong Wang

Peng Cai

Jun Yang

Hongrun Wang

Qibing Gu

Long Cheng

Min Tan

Lili Jia

Jin Hu

Zengguang Hou

Yu Deng

Shubin Li

Chinghua Hung

Xiaoyu Zhang

Chunjie Wang

Xiaochen Cui

Jinxiang Li

Xingming Wang

Yixiong Chen

Pengfeng Li

Qingling Li

Xinchao Zhang

Hongbo Wang

Liguang Geng

Huangfei Cha

Changfeng Sun

Xinghuo Wang

Chengyong He

Guanzheng Li

Lige Li

Fengyao Lei

Guoqing Hu

Yi Hong

Jinzhu Bai

Zhen Lv

A driver chip is disclosed. The driver chip includes: a logic control module, at least one output pin and a first functional pin. The at least one output pin is electrically connected to the logic control module, and the first functional pin is electrically connected to the logic control module. The first functional pin is capable of receiving a test signal, and the logic control module is configured to generate, according to the test signal, a test current flowing through each output pin.

Driver chip, light-emitting substrate and testing method thereof, and display apparatus

A driver circuit includes a logic control component and a plurality of pins coupled to the logic control component. The plurality of pins include a clock pin, a data pin and at least two output pins. The clock pin is configured to receive a clock signal. The data pin is configured to receive, under control of the logic control component, a data signal in a period of an active level of the clock signal. The logic control component is configured to generate a driving control signal corresponding to each output pin according to the data signal, so as to control an electrical signal flowing through the output pin.

Driver circuit and driving method thereof, array substrate and display apparatus

The present disclosure provides a driver circuit, a driving method of the driver circuit, an array substrate and a display device, belonging to the field of display technology. The driver circuit provided by the present disclosure includes a logic control module, a data pin and at least two output pins. The data pin is configured to receive driving data. The logic control module is configured to generate driving control signals in a one-to-one correspondence with the at least two output pins according to the driving data. The driving control signals are configured to control the current flowing through the corresponding output pins.

Driver circuit, driving method of the driver circuit, array substrate, and display device

A method for generating driving signal is provided. The method includes generating by a first circuit, a first driving signal for a first frame of image, the first driving signal comprising a plurality of first pulse width modulation signals; transmitting the plurality of first pulse width modulation signals to a modulation controller; detecting a vertical synchronization signal; determining whether a most recent first pulse width modulation signal is partially generated when the vertical synchronization signal is detected; and upon determination that the most recent first pulse width modulation signal is partially generated, determining whether to delay generating a second driving signal for a second frame of image.

Method and apparatus for generating driving signal, backlight, and display apparatus

Disclosed are a display panel, a display device and a driving method. The display panel includes a plurality of sub-pixel units located in areas formed by the plurality of scanning signal lines and the plurality of data signal lines, and at least two adjacent sub-pixel units in the first direction and the second direction constitute a pixel island. A plurality of control units each corresponding to a sub-pixel unit row in the pixel island are provided. The control unit includes a control terminal, an input terminal and an output terminal. The control unit is configured to transmit a signal from the input terminal to the output terminal under control of a first signal transmitted by a control signal line corresponding to the control unit, and stop transmitting the signal from the input terminal to the output terminal under control of a second signal transmitted by the control signal line.

Display panel, display apparatus, and driving method

Provided are a shift register unit, a shift register, a display panel and a driving method thereof. The shift register unit includes: an input circuit electrically coupled to an input terminal, a first voltage terminal and a pull-up node; an output circuit electrically coupled to the pull-up node, a first clock terminal, a first scan control terminal, a first output terminal and a second output terminal; and a scan control circuit electrically coupled to the second output terminal, a second voltage terminal and a second scan control terminal. The input circuit is configured to write a first voltage provided by the first voltage terminal into the pull-up node in response to a start signal inputted to the input terminal. The output circuit is configured to output a first clock signal from the first clock terminal via the first output terminal, when the pull-up node is at the first voltage.

Shift register unit, shift register, display panel and driving method thereof

A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop, the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal. A driving circuit and a light-emitting substrate are further provided.

Method of controlling driving circuit, driving circuit, and light-emitting substrate

Provided in the present invention is a solid catalyst component for use in olefin polymerisation, comprising Mg, Ti, a halogen, and at least one electron donor, the electron donor being a 2-substituted amino-phenyl ester compound selected from general formula (I). Also disclosed in the present invention are a catalyst comprising the solid catalyst component, and an application for the catalyst in olefin polymerisation, particularly in propylene polymerization. Also provided in the present invention is a high activity catalyst, said catalyst being able to obtain polypropylene of high isotacticity and wide molecular weight distribution, and not requiring an external electron donor to obtain high isotacticity polypropylene; during polymerization, Al/Ti and Al/Si are reduced, the polymerization time is lengthened, and high activity can still be maintained, suitable for producing low-ash polymers.

Solid catalyst component for use in olefin polymerisation, catalyst, and application thereof

Provided is an alkoxy magnesium supported olefin polymerization catalyst component, comprising the reaction products of the following components: at least one alkoxy magnesium compound of Mg(OR1')N(OR2&#x2032;)2-N, at least one titanium compound of general formula Ti(OR)nX4-n, at least one ortho-phenylene diester electron donor compound a, and at least one diether electron donor compound b, wherein the molar ratio of a to b is 0.05 to 20. The catalyst component has an ultrahigh polymerization activity when used for olefin polymerization, and does not require the use of an external electron donor, but can also obtain a polymer with a high isotacticity, and the resulting polymer has a relatively wide molecular weight distribution and a relatively low ash content.

Alkoxy magnesium supported olefin polymerization catalyst component, catalyst and application thereof

A photomask and an exposure method are provided. The photomask includes a photomask body including a first surface and a second surface opposite to each other; and a first light-transmissive region penetrating through the first surface and the second surface, wherein a light adjustment component is in the first light-transmissive region and configured to converge a first light beam incident onto the first surface to a second light beam emergent from the second surface, and a cross-sectional area of the first light beam sectioned by the first surface is larger than that of the second light beam sectioned by the second surface.

Photomask and exposure method

Provided is a solid catalyst component for olefin polymerization, which comprises Mg, Ti, a halogen and an electron donor. The electron donor is selected from at least one of ring-substituted ether-acid ester compounds of the general formula (I). Also provided are a catalyst containing the solid catalyst component and the application of the catalyst in reactions of olefin polymerization, particularly in the reaction of propylene polymerization.

Catalyst component for olefin polymerization and application thereof

The present invention discloses a functional electrical stimulation system comprising a primary power, a boost module, an energy storage section, an output control relay, an automatic discharge circuit, a foot/hand controlled switch, a current detection chip and a current limiting fuse. The boost module comprises n DC chopper circuits connected in series, and outputs a high voltage of 100-200V. According to an enable signal and a current detection signal, the output control relay disables/enables the DC boost module. The automatic discharge circuit discharges capacitance of the energy storage section automatically when the relay turns off the power input. The Foot/hand controlled switch, the current detection chip and the current limiting fuse form a triple accident protection circuit. The functional electrical stimulation system maximizes the intensity of electrical stimulation within the range that the human body can withstand. Meanwhile, it provides multiple security protection mechanisms and enhanced reliability to avoid danger during the use.

System of functional electrical stimulation

Growing community of inventors

Beijing, China

Junwei Zhang