Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Hefei Boe Joint Technology Co., Ltd.

Beijing Didi Infinity Technology and Development Co., Ltd.

Xiang Wan

Wenbin Jia

Rui Peng

Xinxin Wang

Yue Hu

Zhijie Ye

Li Sun

Xinwei Gao

Huifeng Wang

Feifei Zhu

Fan Yang

Lei Huang

Kai Xu

Qinghe Wang

Chinlung Liao

Pei Li

Yulin Wang

Lifang Song

Changjun Jiang

Ronggang Shangguan

Chang-Yen Wu

Zhaokang Fan

Sixu Li

Provided are a top emitting display panel and a display device, the top emitting display panel includes a substrate, a light-emitting structure and a cover layer, wherein the light-emitting structure comprises a first light-emitting structure, a second light-emitting structure and a third light-emitting structure, and corresponding light-emitting wavelengths are a first wavelength, a second wavelength and a third wavelength respectively; the cover layer is located on a side of the light-emitting structure away from the substrate, and includes at least two of a first region located on the first light-emitting structure, a second region located on the second light-emitting structure, and a third region located on the third light-emitting structure, the first region has a thickness such that twice of the length of an equivalent optical path in the first region along a thickness direction is an integer multiple of the first wavelength; the second region has a thickness such that twice of the length of an equivalent optical path in the second region along the thickness direction is an integer multiple of the second wavelength; and the third region has a thickness such that twice of the length of an equivalent optical path in the third region along the thickness direction is an integer multiple of the third wavelength. According to embodiments of the present disclosure, light extraction efficiencies corresponding to the first wavelength, the second wavelength, and the third wavelength can be simultaneously increased, and the display panel have a reduced power consumption and an improved lifetime.

Top emitting display panels and display devices

A pressure sensor, a manufacturing method thereof, a pressure sensing method and a display device are provided. The pressure sensor includes a first electrode, at least two supports on a first surface of the first electrode, an elastic composite electrode on a side of the supports facing away from the first electrode. Two adjacent supports of the supports, the elastic composite electrode and the first electrode define a compressible space, and the at least two supports are formed of an insulating material. The pressure sensor further comprises a second electrode on a side of the elastic composite electrode facing away from the first electrode and an organic light emitting layer between the first electrode and the second electrode, the organic light emitting layer being in contact with one of the first electrode and the second electrode. The pressure sensor has advantages of low power consumption, fast response and high sensitivity.

Pressure sensor, manufacturing method thereof, pressure sensing method and display device

A display panel includes a drive substrate, a first electrode disposed on the drive substrate and located in a pixel region, and a pixel defining layer disposed on the first electrode and defining the pixel region. The display panel further includes a light-emitting structure layer disposed on the pixel defining layer, a second electrode disposed on the light-emitting structure layer, and a magnetic field disposed at least one pixel region, wherein a direction of the magnetic field forms an included angle with a plane of the drive substrate.

Display panel, manufacturing method and drive control method thereof, and display apparatus

The present disclosure is related to a detection apparatus. The detection apparatus may include a gate insulating layer. The gate insulating layer may include at least a first layer and a second layer opposite the first layer. A plurality of protruding structures may be provided on a surface of the first layer facing the second layer and/or a surface of the second layer facing the first layer. The first layer and the second layer of the gate insulating layer may be connected through the protruding structures.

Detection apparatus, fabrication method thereof, array substrate, and display apparatus

The present disclosure provides a composite electrode, an acoustic sensor using the composite electrode, and a manufacturing method of the composite electrode. The composite electrode includes a conductive layer, and a semiconductor high-molecular polymer layer formed on the conductive layer. The semiconductor high-molecular polymer layer has a three-dimensional mesh structure. The acoustic sensor includes a base; the above-mentioned composite electrode formed on the base; an organic layer formed on the composite electrode; and a top electrode formed on the organic layer.

Composite electrode, acoustic sensor using the same, and manufacturing method thereof

The present disclosure provides a display device. The display device including a substrate, a planarization layer formed on the substrate, a transparent electrode formed on the planarization layer, and a pixel defining layer formed on the transparent electrode. The pixel defining layer is configured to define a display area for each pixel and having an opening corresponding to the display area. The display device further includes a light emitting layer formed on the pixel defining layer, a metal electrode formed on the light emitting layer, and a hydrogen-atom blocking material layer formed on the metal electrode.

Display device and display apparatus containing same

The present disclosure provides systems and methods for providing database query service to a user. The method may comprise: obtaining, a query request to query a database, wherein the database includes a plurality of data tables; determining one or more target data tables among the plurality of data tables based on the service request; generating a directed graph based on the plurality of data tables, wherein the directed graph includes one or more segment, each of which links two data tables; determining a reference data table among the one or more target data tables; for each of the one or more target data tables, traversing the directed graph to determine a target path with the shortest distance between the reference data table and a target data table; and, querying the database based on one or more target paths with the shortest paths.

Systems and methods for querying a database

A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.

Substrate and method of fabricating the same, display panel, and display device

An organic light-emitting diode and a display device are disclosed. The organic light-emitting diode includes an organic light-emitting layer and a first light ray adjusting layer, wherein the organic light-emitting layer is configured to generate at least first incident light and second light to enter the first light ray adjusting layer to form a first refracted light ray and a second refracted light ray respectively, and a refraction angle of the first refracted light ray is smaller than a refraction angle of the first refracted light ray. A first refractive index of the first light ray adjusting layer on a propagation path of the second refracted light ray is greater than that of the first light ray adjusting layer on a propagation path of the first refracted light ray.

Organic light-emitting diode and display device

A pixel defining layer and a production method thereof, a display panel and a production method thereof, and a display apparatus are all provided. The pixel defining layer has a first lyophilic layer, a first lyophobic layer on the first lyophilic layer, a second lyophilic layer on the first lyophobic layer, and a second lyophobic layer on the second lyophilic layer.

Pixel defining layer and production method thereof, display panel and production method thereof, and display apparatus

Examples of the present disclosure provide an organic light-emitting diode, a display panel and a display device. This organic light-emitting diode includes a red light-emitting layer and a green light-emitting layer provided in a layer-built manner. The organic light-emitting diode also includes an exciton blocking layer, which is provided between the red light-emitting layer and the green light-emitting layer.

Organic light-emitting diode, display panel and display device

This disclosure discloses an organic light-emitting device, a production method thereof, and a display apparatus, and belongs to the technical field of display. The organic light-emitting device comprises: a first electrode; a second electrode; a first light-emitting layer provided between the first electrode and the second electrode; a spacing layer provided between the first light-emitting layer and the second electrode; and a light intensity compensation layer provided between the spacing layer and the second electrode, wherein the color of light emitted from the light intensity compensation layer is the same as that of the first light-emitting layer, and when a recombination area of electrons and holes in the first light-emitting layer moves, the light intensity compensation layer limits the recombination area in the light intensity compensation layer and compensates the light intensity of the first light-emitting layer.

Organic light-emitting device, production method thereof, and display apparatus

Embodiments of the invention provide a blue organic electroluminescent device and a preparation method, a display panel and a display apparatus. The blue organic electroluminescent device comprises: a substrate and an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer and a cathode arranged on the substrate successively, the light emitting layer comprises a lower surface layer, an upper surface layer and an intermediate layer; host emitters of the lower surface layer, the upper surface layer and the intermediate layer are all doped with guest emitters, at least one of the doping concentrations in the lower surface layer and the upper surface layer is greater than a doping concentration in the intermediate layer. The power consumption of the blue organic electroluminescent device is greatly reduced; and the efficiency is increased significantly.

Blue organic electroluminescent device and preparation method thereof, display panel and display apparatus

The present application discloses an organic light emitting diode comprising a cathode; an anode; a plurality of light emitting layers connected in series between the cathode and the anode; and a charge generation layer between at least one pair of adjacent light emitting layers. At least one light emitting layer comprises a host layer having charge transport property.

Growing community of inventors

Beijing, China

Xiang Wan