Kunshan Go-visionox Opto-electronics Co., Ltd.

Kunshan New Flat Panel Display Technology Center Co., Ltd.

Yungu (gu'an) Technology Co., Ltd.

Nanjing Tech University

Other

Jiangsu University of Science and Technology

Biomics Biotechnologies, Co., Ltd.

Suzhou Apparatus Science Academy Co., Ltd.

Hui Zhu

Siming Hu

Xiuqi Huang

Zhenzhen Han

Longfei Fan

Xiaobao Zhang

Tingting Zhang

Lu Zhang

Liwei Ding

Xiaoyu Gao

Jianlong Wu

Zhengyong Zhu

Nan Yang

Yong Qiu

Yanqin Song

Li Lin

Kai Guo

Pengle Dang

Guohua Zhao

Jian Zhang

Mingxing Liu

Min Zhang

Gang Wang

Wenxian Tang

Chao Chi Peng

Xiangqian Wang

Yang Zhang

Quan Liu

Lin He

Jinfang Zhang

Weiguo Li

Xiuyu Zhang

Longyan Wang

Zhouying Liu

Zhenjiang Li

Fulan Wei

Siming Chen

Yu Gao

Shijie Su

Tiejun Li

Xiyang Jia

Min Liu

Wei Peng

Shenfu Zhang

Zhigang Xu

Guangyuan Sun

Hongcai Lin

Qinfeng Li

Hong Chen

Baoyou Wang

Delin Hu

Chun Hu

Jianxin Chen

Gang Liu

Bingwen Jin

Xiang Zhao

Zhanjie Ma

Haibin Jiang

Fengya Chen

Yitian Guan

Yanqian Song

Honglei Luo

Xiaolei Xu

Ji Zhou

Tao Zhu

Yan Ni

Wenjian Feng

Zhen Huang

Dake Yang

Dong Ren

Qinggang Liu

The present application discloses a display panel, a pixel circuit and a method for driving the pixel circuit. The pixel circuit includes a drive chip, a plurality of pixel circuit units and a plurality of detection circuit units, the pixel circuit unit including a first switch tube and an electroluminescent element. A first path end of the first switch tube is connected to an anode of the electroluminescent element. A control end of the first switch tube is connected to a scan signal end. The first path end of the second switch tube is connected to the anode of the electroluminescent elements via the pixel circuit unit.

Display panel and pixel circuit with detection and compensation of anode voltage using the same output pin for multiple pixels

Display screens and display devices are disclosed. The display screen includes: a first display region, a second display region adjacent to the first display region, and a third display region adjacent to the second display region. A sub-pixel density of the first display region is smaller than a sub-pixel density of the second display region. The sub-pixel density of the second display region is smaller than a sub-pixel density of the third display region. The display screens and the display devices according to the present application can improve the user experience.

Display screens and display devices

A display panel includes a data line, a pixel driving circuit, a light-emitting device and a voltage compensation circuit. The voltage compensation circuit includes a sampling and conditioning unit configured to obtain a driving current output by the pixel driving circuit and to output a control signal according to the driving current; a first switch unit including a control terminal, an input terminal and an output terminal, the control terminal of the first switch unit being connected to an output terminal of the sampling and conditioning unit, and the input terminal of the first switch unit being connected to the output terminal of the pixel driving circuit; a compensation unit including an input terminal and an output terminal, the input terminal of the compensation unit being connected to the output terminal of the first switch unit, and the output terminal of the compensation unit being connected to the data line.

Display panel having a voltage compensation circuit

The present disclosure provides a flexible foldable display screen includes a glass substrate, a flexible screen body disposed on the glass substrate, and a controlling IC disposed at a top of the curing assembling area. The flexible screen body has a curing assembling area defined at an end thereof, and a display area disposed outside the curing assembling area. The glass substrate is disposed at a bottom of the curing assembling area, with the display area exposed from the glass substrate. The display area comprises a pixel sparse area formed at an edge of the display area, and a pixel dense area formed outside the pixel sparse area. A pixel unit density of pixel units in the pixel dense area is greater than that of pixel units in the pixel sparse area.

Flexible foldable display screen and manufacturing method thereof

A capacitor testing device includes a carrier with a plurality of clamping holes which are configured to carry capacitors to be tested; a conveying means being configured to convey the carrier; an image collection assembly, including an upper image collection assembly disposed above the conveying means and a lower image collection assembly disposed below the conveying means, the upper image collection assembly and the lower image collection assembly being configured to perform defect testing on outer surfaces of the capacitors to be tested; and a performance testing means, including a performance testing circuit board and a lifting assembly being configured to drive the performance testing circuit board to ascend or descend, and the performance testing means being configured to test electrical performances of the capacitors to be tested.

Capacitor testing device and testing method thereof

A thin film package structure, a thin film package method, and a display panel are disclosed. The thin film package structure includes a substrate, an organic adhesive layer, and a package film layer. The package film layer covers the substrate and the organic adhesive layer. The organic adhesive layer in the non-display region is designed to have a groove structure and an embankment structure defined by the groove structure. The groove structure and the embankment structure surround the display region. At least one of the groove structures and the embankment structure is a structure extending in a zigzag form or a grid-shaped structure. The organic adhesive layer is disposed in the non-display region of the substrate, and is designed to have multiple zigzagging or grid-shaped groove structures.

Thin film package structure, thin film package method, and display panel

An integrated circuit, a mobile phone and a display are provided with the integrated circuit. The integrated circuit includes a substrate, a data distributor and a data driver distributed on the substrate. A power line trace gap is provided within the data distributor; a first data line connected to the data driver and to the data distributor; and a first power line connected to the data driver and passing through the power line trace gap.

Integrated circuit, mobile phone and display

Disclosed is a method for preparing polylactone by ring opening, belonging to the technical fields of organic catalysis and polymer materials. The invention proposes a new catalytic mechanism, wherein an organic alcohol is used as an initiator to initiate ring opening polymerization of a cyclic monomer under the catalysis of an organic catalyst to obtain a polylactone; and the catalyst is a pyridinium salt. The present invention has the advantages of non-toxic reaction, simple conditions and controllable process; further, the invention can obtain a narrow molecular weight distribution in the absence of solution polymerization, and can effectively inhibit the occurrence of the transesterification compared with the catalysis of 4-(N,N-dimethylamino)pyridine.

Method for preparing polylactone by ring opening

The present disclosure relates to a display screen and an electronic terminal. The display screen includes a display region including a first display area and a second display area. The first display area has a screen as a first screen, and the second display area has a screen as a second screen. A light transmittance of the first screen is greater than a light transmittance of the second screen. The electronic terminal includes a terminal body, the above display screen, a front device and a control device. The above display screen and electronic terminal can improve the full screen display effect.

Electronic terminal and display screen having a camera under a display area

The present application provides a foldable array substrate, a preparation method thereof and a display device. The foldable array substrate includes a base substrate, a gate metal layer disposed on one side of the base substrate, a source-drain metal layer disposed on the side of the gate metal layer opposite to the base substrate, and an insulating layer disposed between the gate metal layer and the source-drain metal layer. A plurality of holes are disposed on the foldable array substrate, and the holes are disposed between adjacent pixel units of a plurality of pixel units, and extend from the side of the insulating layer opposite to the base substrate toward the base substrate.

Foldable array substrate, preparation method thereof and display device

The present invention provides a scanning driver and an organic light-emitting display using the same. The scanning driver comprises a plurality of cascaded structures receiving signals from a first timing clock line (CK) and a second timing clock line (CK) with opposite phases, the cascaded structures successively generating output signals (i.e., scanning signals), wherein each of the cascaded structures comprises: a first transistor, connected to a starting signal line or to a scanning output line of a previous cascaded structure; a second transistor, connected to the second timing clock line and to the scanning output line; a third transistor connected to a high-level power supply VGH; a fourth transistor, connected to a low-level power supply VGL and to an output terminal of the third transistor; a fifth transistor, connected to a high-level power supply VGH and to a scanning output line; and a first capacitor, connected between an output terminal of the first transistor and the scanning output line. Arranging a first capacitor Cbetween the output terminal of Mand the scanning output line prevents slight-ON of Mthus reducing the reverse current at the scanning driver and reducing the power consumption.

Scan driver and organic light-emitting display using same

A pixel circuit and a display device. The pixel circuit includes a charging unit, a light-emitting unit and an error compensation unit; a voltage storage terminal of the charging unit is connected to a voltage input terminal of the light-emitting unit; one end of the error compensation unit is connected to the voltage storage terminal of the charging unit, a voltage at the voltage storage terminal of the charging unit is used to determine a magnitude of a current flowing through the light-emitting unit; a control terminal of the error compensation unit is configured to receive a light-emitting control signal which is used to control the light-emitting unit to emit light or stop emitting light, the error compensation unit is configured to lower the voltage at the voltage storage terminal of the charging unit when the light-emitting control signal controls the light-emitting unit to emit light.

Pixel circuit and display device

The present disclosure relates to an array substrate, including a display area and a non-display area arranged around the display area. The display area includes a plurality of pixel circuits arranged in an array and a first signal line connecting to the pixel circuits. The non-display area includes at least one common circuit and a data driving chip. Each of the common circuits is connected to the pixel circuit through the first signal line, and is configured to provide an initialization signal and a data signal for the pixel circuit. The data driving chip is connected to the common circuit through a second signal line and a third signal line.

Array substrates and driving methods thereof, and display panels

The present disclosure relates to a pixel circuit, a driving method of a pixel circuit, and a display apparatus. The pixel circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, a first capacitor and an organic light-emitting diode. A control terminal of the fourth transistor is configured to input a first scanning signal. A first electrode of the fourth transistor is connected to a second electrode of the third transistor, a control terminal of the first transistor and a terminal of the first capacitor. Another terminal of the first capacitor is connected to a second electrode of the second transistor, a second electrode of the fifth transistor and a first electrode of the first transistor.

Pixel circuit and driving method thereof, and display apparatus

Disclosed in the present invention is a preparation method for a polyester, relating to the technical field of organic catalysis and polymeric materials. The preparation method in the present invention comprises: (1) using pyridine and saccharin in a ratio of 1:1 to prepare pyridine saccharin salt in tetrahydrofuran at 60&#xb0; C. and separating the pyridine saccharin salt out in methanol and hexane. (2) Freeing out a small amount of pyridine from the pyridine saccharin salt in a heating state, catalyzing by the pyridine saccharin salt and pyridine a cyclic lactone or a carbonate to be ring-opened and polymerized to form the polyester; and the system has no other compound residues. (3) In the presence of an alcohol initiator, catalyzing by the pyridine saccharin salt the cyclic lactone to be ring-opened and polymerized to obtain the polyester. The catalytic system can efficiently synthesize a specific polylactone. Compared with a method for synthesizing a polyester by the use of a metal-containing catalyst in the prior art, the system has wide application. Moreover, the system is advantageous of no metal residue, narrow molecular weight distribution and no chain transesterification, and therefore has great commercial application potential in bio-pharmaceutical field and microelectronic field.

Method for preparation of a polyester

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Kunshan, China

Hui Zhu