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

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

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

Hefei Visionox Technology Co., Ltd.

Xiaokang Zhou

Mengzhen Li

Lin He

Chunhui Ren

Jin Xu

Rubo Xing

Wei Zhao

Tiantian Li

Jingwen Tian

Weiwei Li

Jinquan Zhang

Chuang Chen

Bin Liu

Qingrong Ren

Qiqi Qin

Chunliang Yao

Kunjing Zhong

Hajime Yamaguchi

Yuewei Zhang

Xingxing Chen

Hu Wang

Huashan Bao

Xiaocong Li

Zhenhua Lou

Zhaoyang Xi

Fangyi Cao

Xiuqi Huang

Xiaoyu Gao

Hui Pang

The organic electroluminescent device includes a first electrode, a second electrode and an organic layer located between the first electrode and the second electrode, the organic layer includes a light-emitting layer, the light-emitting layer includes a host material, a thermally activated delayed fluorescence sensitizer and a green fluorescent dye, the green fluorescent dye includes a structure as shown in formula I. A thermally activated sensitized fluorescence technique is used, and the green fluorescent dye of a specific structure in combination with the sensitizer and the host material is used, so as to achieve the effects of narrowing the spectrum of a device and improving the green color purity. The efficiency of the organic electroluminescent device is equivalent to that of a phosphorescent green light device, so that a display panel including the organic electroluminescent device has a large display color gamut area.

Organic electroluminescent device, display panel and display device

A composition, an OLED device and an OLED display panel. The composition includes a low-mobility metal complex material of bias-electron-transport-type in a mass percentage of 1% to 99% and an organic electron transport material in a mass percentage of 1% to 99%, wherein an electron mobility of the low-mobility metal complex material of bias-electron-transport-type is less than 1*Ecm/Vs. The influence of the electric field and the temperature on the electron mobility in the electron transport layer can be reduced, the balance of a carrier system in a high temperature environment is better, and the service life in the high temperature environment is long.

Composition, OLED device and OLED display panel

The present application provides a display panel, a display device, and a preparation method for the display panel. The display panel includes: a substrate; a light-emitting unit including a first hole blocking layer; and a photoelectric sensing unit being configured to receive an optical signal and generate a corresponding electrical signal from the optical signal, the photoelectric sensing unit including a photoelectric conversion layer, a buffer layer being arranged on a side of the photoelectric conversion layer away from the substrate and a second hole blocking layer being arranged on a side of the buffer layer away from the photoelectric conversion layer; wherein the first hole blocking layer and the second hole blocking layer are made of the same material, the buffer layer has a first electrical conductivity, and the second hole blocking layer has a second electrical conductivity, the first electrical conductivity being greater than the second electrical conductivity.

Display panel, display device, and preparation method for display panel

A display panel and a display apparatus. The display panel includes: a substrate; a light-emitting element disposed on the substrate; an encapsulation layer on a side of the light-emitting element away from the substrate, where the encapsulation layer includes a first inorganic film layer, a first auxiliary film layer and an organic film layer stacked on the light-emitting element, an absolute value of a difference between a refractive index of the first inorganic film layer and a refractive index of the first auxiliary film layer is less than or equal to 0.05, and an extinction coefficient of the first auxiliary film layer for visible light is less than an extinction coefficient of the first inorganic film layer for visible light.

Display panel and display apparatus

A gray scale compensation method for a display panel includes: dividing a display region of the display panel into a first display region, a second display region and a transition display region arranged between the first and second display regions; configuring a first compensation algorithm for the first display region to obtain a first compensation gray scale of the first display region, configuring, for the second display region, a second compensation algorithm different from the first compensation algorithm to obtain a second compensation gray scale of the second display region, and configuring, for the transition display region, a third compensation algorithm different from the first and second compensation algorithms to obtain a third compensation gray scale of the transition display region; and configuring the display panel to display an image according to the first compensation gray scale, the second compensation gray scale and the third compensation gray scale.

Gray scale compensation method and apparatus for display panel

Disclosed is an organic light-emitting diode device including: an electron transport layer, a hole blocking layer and a light emitting layer arranged in a stacked manner; the hole blocking layer includes a first material, and the electron transport layer includes the first material.

Organic light-emitting diode device and display apparatus

A display panel and a display device. The display panel includes a substrate, at least three different light-emitting units disposed on the substrate, and at least three different buffer encapsulation layers disposed on the side of the at least three different light-emitting units facing away from the substrate. The at least three different light-emitting units emit at least three different colors. The thickness of at least one buffer encapsulation layer corresponding to at least one light-emitting unit among the at least three different light-emitting units is different from the respective thicknesses of the other buffer encapsulation layers corresponding to the other light-emitting units among the at least three different light-emitting units.

Display panel and display device

A method includes: dividing a display area of a display panel into multiple sub-display areas distributed in an array; selecting at least two sub-display areas as reference sub-display areas, the reference sub-display areas being adjacent and one reference sub-display area includes a target sub-pixel to be compensated; determining a weight factor for each reference sub-display area according to a distance between a center point of the target sub-pixel and a center point of the reference sub-display area and a distance between center points of adjacent reference sub-display areas; calculating a weighted sum of average luminance values of the reference sub-display areas under a target grayscale value with the weight factors for the reference sub-display areas to obtain a target luminance value of the target sub-pixel under the target grayscale value; determining a compensation grayscale value of the target sub-pixel under the target grayscale value according to the target luminance value.

Method, device and apparatus for determining compensation grayscale

The present disclosure relates to a display panel () and a method of manufacturing the same. The display panel () includes a substrate (), a number of light transmissive units (), and an package layer (). The substrate () has a light transmissive region () and a pixel display region (). The light transmissive region () and the pixel display region () are complementarily disposed with respect to the substrate (). The plurality of light transmissive units () are disposed in the light transmissive region () and overlay a surface of the substrate () within the light transmissive region (). The package layer () overlays a surface of a number of light transmissive units (). In the present disclosure, the substrate () has a different structure in the light transmissive region () and the pixel display region ().

Display panels and manufacturing methods thereof

The present application discloses an organic electroluminescent device that includes a plurality of kinds of light-emitting units having different light-emitting wavelengths, wherein the light-emitting units are organic light-emitting diodes, the organic light-emitting diodes include a plurality of single-colored organic light-emitting diodes and/or a plurality of white-light organic light-emitting diodes provided with optical filters; at least one kind of the organic light-emitting diodes has a microcavity structure; a microcavity optical length Li of the organic light-emitting diode having the microcavity structure and a light-emitting wavelength &#x3bb;i of the corresponding light-emitting unit meet the following formula: Li=ni&#x3bb;i, wherein ni&#x2265;2, ni is a positive integer, and the ni corresponding to at least one of the plurality of kinds of light-emitting units having different light-emitting wavelengths &#x3bb;i is larger than or equal to 3; m is the number of the kinds of the light-emitting units, m&#x2265;i&#x2265;1, i and m are positive integers.

Organic electroluminescent device

Growing community of inventors

Kunshan, China

Xiaokang Zhou