Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Zitiao Network Technology Co., Ltd.

Beijing University of Technology

China Agricultural University

Ordos Yuansheng Optoelectronics Technology, Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Yunfei Li

Libin Liu

Ling Shi

Shiming Shi

Yipeng Chen

Lujiang Huangfu

Tian Dong

Can Zheng

Kazuyoshi Nagayama

Yang Zhang

Peng Wang

Tao Sun

Fang Liu

Lu Wang

Jianchao Zhu

Wei Huang

Haoran Gao

Xinyu Fan

Lingling Pan

Xiaoming Zhao

Zhaoyao Shi

Longbo Li

Xi-Qing Wang

Weiwei Jin

Junhong Zhuang

Jiachun Lin

Baofeng He

The present disclosure provides a method, a system, a device and a medium for measuring gear tooth profile roughness. The method includes: obtaining design parameters of a target gear pair and test parameters of each tooth profile working point; fitting a measured surface profile and a theoretical tooth profile curve to obtain a surface structure curve; calculating a Hertzian contact width according to the design parameters and the test parameters for each tooth profile working point on the theoretical tooth profile curve, and determining an evaluation length of surface roughness according to the Hertzian contact width; filtering the surface structure curve by means of a filter with a set wavelength to obtain a surface roughness profile; and determining surface roughness parameters of each tooth profile working point in a working area according to the surface roughness profile for each evaluation length.

Method, system, device and medium for measuring gear tooth profile roughness

The present invention provides a ZmHsf21 gene, a protein encoded thereby and use thereof in plant breeding. In particular, the present invention provides use of the ZmHsf21 gene in increasing plant yield and improving plant disease-resistance, especially stalk rot.

Maize ZmHsf21 gene and use thereof

Method, apparatus, device, and storage-medium for data processing based on location information are provided. The method for data processing based on location information includes: obtaining first location information from a first account; determining a geographic label to which the first location information belongs, and associating the first account with a first-level group corresponding to the geographic label; receiving an interaction request from the first account; matching, in response to the interaction request, at least one second account to interact with the first account in the first-level group associated with the first account; and determining that the first account and the at least one second account belong to a same interaction group.

Method, apparatus, device and storage medium for data processing based on location information

Provided are a wiring structure of a pixel driving circuit, a display panel, and a display device. The wire layout includes: a first switching element, a second switching element and a driving transistor. A source electrode of the driving transistor is connected to a power signal line. The power signal line includes a first power signal line that is in a same direction as a data signal line, and the data signal line is arranged at a position of the first power signal line away from a gate electrode of the driving transistor.

Wiring structure of pixel driving circuit, display panel, and display device

The present disclosure provides a wire layout of a pixel driving circuit. The circuit includes: a first switching element, a control terminal of the first switching element being coupled to a scan signal line, a first terminal of the first switching element being coupled to a data signal line; and a driving transistor, a first terminal of the driving transistor being coupled to a power signal line; wherein a first distance between the data signal line and the control terminal of the driving transistor is greater than a second distance between the first power signal line and the control terminal of the driving transistor.

Wiring structure of pixel driving circuit having first distance between data signal line and control terminal of driving transistor is greater than second distance between first power signal line and control terminal of driving transistor, display panel, and display device having the same

A pixel circuit, a display panel, a display device and a driving method are provided. The pixel circuit includes: a driving transistor, a first transistor, a first capacitor, the organic light-emitting diode and a switching induced error compensation circuit. The switching induced error compensation circuit is connected with a first node and/or a second node and is configured to compensate a switching induced error of the first transistor.

Pixel circuit, display panel, display device and driving method

A pixel driving circuit and a driving method, and a display device are provided. The driving circuit includes: a first switching element, a second switching element, a third switching element, a fourth switching element, a fifth switching element, a driving transistor, a sixth switching element, a first storage capacitor and a second storage capacitor.

Pixel driving circuit, pixel driving method, and display device

A power line structure, an array substrate including the power line structure and a display panel are provided. The power line structure () includes a conductive plate (), the conductive plate () includes a through hole disposing area (), the through hole disposing area () is provided with a plurality of via holes (); in at least one sub-area of the through hole disposing area (), a distribution density of the via holes () increases along a direction of decreasing a current density in the conductive plate ().

Power line structure, array substrate and display panel

A power line structure, an array substrate including the power line structure and a display panel are provided. The power line structure includes a conductive plate, the conductive plate includes a through hole disposing area, the through hole disposing area is provided with a plurality of via holes; in at least one sub-area of the through hole disposing area, a distribution density of the via holes increases along a direction of decreasing a current density in the conductive plate.

The disclosure provides a package structure, a display panel, a display device and a manufacturing method of the package structure. The package structure comprises: an insulating layer formed on a substrate to be packaged; a metal layer formed on a surface of the insulating layer away from the substrate; and an inorganic package layer covering the metal layer and the insulating layer; wherein a portion of the insulating layer in contact with edges of the metal layer is formed with a plurality of insulating grooves arranged at intervals, the edges of the metal layer are formed with a plurality of metal rims arranged at intervals, and some or all of the metal rims are covered by the inorganic package layer.

Display panel having a plurality of metal rims on the insulating layer

A flexible display panel, a method for fabricating the same and a flexible display device are disclosed. The flexible display panel comprises at least two functional layers which are stacked one another and an adhesive layer which is arranged between the functional layers. The flexible display panel has a bending axis parallel with a surface of the flexible display panel. The adhesive layer comprises a first adhesive part at a side of the bending axis and a second adhesive part at the other side. The first and second adhesive parts have a cross-sectional shape in a plane perpendicular with the bending axis, and the cross-sectional shape is oriented with respect to a vertical cross section of the flexible display panel running through the bending axis to reduce the bending stress in the flexible display panel during bending in the bending axis.

Flexible display panel, method for fabricating flexible display panel and flexible display device

A pixel circuit, a driving method therefor, and a display device. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a storage capacitor, and a light-emitting device. The pixel circuit can avoid the influence of drifting of a threshold voltage on brightness uniformity and constancy of a display.

Pixel circuit, driving method therefor, and display device including the pixel circuit

Pixel circuit, driving method therefor and display apparatus are provided. The pixel circuit includes driving transistor, light-emitting device, storage capacitor, gating module, compensating module and switching module. First end of storage capacitor is connected to gate electrode of driving transistor, and second end thereof is connected to first electrode of driving transistor. Compensating module includes reset sub-module having output terminal connected to second electrode of driving transistor and configured to charge first electrode of driving transistor in reset stage to store threshold voltage of driving transistor in storage capacitor, and voltage dividing sub-module having first terminal connected to first electrode of driving transistor and second terminal connected to high-level input terminal such that voltage dividing sub-module is connected in series with storage capacitor. According to the invention, the effect of threshold voltage and IR drop on uniformity of display can be reduced, which improves display effect.

Pixel circuit and method for driving the same, display apparatus

The embodiments of the present invention provide a flexible display panel and a display device comprising the flexible display panel. The flexible display panel comprises a plurality of effective display regions, each effective display region comprising a pixel array; and at least one power supply lead region, which comprises at least one power supply lead in electrical connection with a power supply line of the flexible display panel; and the effective display regions and the power supply lead region are arranged alternately. For display devices using the flexible display panel according to the embodiments of the present invention, especially those having a larger size or higher resolution, the luminance uniformity can be improved and enhanced, and the advantages of the flexible display device can be further strengthened.

Flexible display panel and display device

The present invention discloses a liquid crystal grating, a manufacturing method and a drive method thereof, and an optical phased array. In the liquid crystal grating, plurality of first electrodes are formed on a lower substrate with first gaps formed between adjacent first electrodes, second electrodes are further provided above the first gaps with second gaps formed between adjacent second electrodes, and an insulation layer is provided between the first electrodes and the second electrodes. When voltages are applied to the first electrodes and the second electrodes, continuously and smoothly changing electric field is generated inside the liquid crystal grating, and then phases of incident light may be controlled continuously and smoothly, which improves the ability of the liquid crystal grating to modulate light beam.

Growing community of inventors

Beijing, China

Yunfei Li