Beijing Summer Sprout Technology Co. Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Health Technology Co., Ltd.

Cuifang Zhang

Chi Yuen Raymond Kwong

Qi Zhang

Zhihong Dai

Nannan Lu

Chuanjun Xia

Qiang Wang

Tuo Sun

Shuo Zhang

Han Zhang

Yanzhao Li

Dongdong Zhang

Chao Zhou

Zhenzhong Zhang

Le Wang

Junfei Wang

Yulan Hu

Sifan Wang

Yongjun Wu

Jiao Huang

Xueyu Lu

Xinfang Hao

Renmao Liu

Longfei Li

Weizhou Huang

Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer includes at least a first compound having a structure of H-L-E and a second compound having a general formula of M(L)(L)(L). The novel material combination consisting of the first compound and the second compound can enable the electroluminescent device to obtain a lower voltage, higher efficiency and an ultra-long lifetime and can provide better device performance. Further provided are a display assembly and a compound combination.

Electroluminescent device

A linewidth measurement method includes: obtaining a target image of the line, the line including a first line segment; performing region connecting on an edge image or binary image of the target image to obtain a region connected image, the region connected image including a target connected region corresponding to a pattern of the line, and a pixel value of each pixel in the target connected region being different from that of each pixel outside the target connected region; determining a first edge point and a second edge point of the first line segment based on the region connected image; and determining a width of the first line segment according to the first edge point and the second edge point, and determining the width of the line according to the width of the first line segment.

Linewidth measurement method and apparatus, computing and processing device, computer program and computer readable medium

Provided is an organic light-emitting material. The light-emitting material is a series of metal complexes containing a ligand(s) based on isoquinoline which is substituted with deuterium at 3- and 4-position and a ligand(s) based on acetylacetone. The compounds can be used as the light-emitting material in an emissive layer of an organic electroluminescent device. These novel compounds can provide better device performance. Further provided are an electroluminescent device and a compound combination including the light-emitting material.

Organic light emitting material

Provided are a metal complex, an electroluminescent device containing the same, and a use thereof. The metal complex has a structure of M(L)(L)and can more effectively fine-tune a light-emitting color and adjust an emission peak width, thereby narrowing a full width at half maximum, making the light-emitting color more saturated, and improving device efficiency, current efficiency, and external quantum efficiency.

Metal complex, electroluminescent device including the same, and use thereof

The present disclosure relates to an image processing method and apparatus, a screening system, and a computer-readable storage medium. An image processing method includes: acquiring an image to be processed; extracting a first feature of the image to be processed by using a first feature extractor; performing first classification on the image to be processed according to the first feature by using a first classifier; under the condition that a classification result is a first result, extracting a second feature of the image to be processed by using a second feature extractor; performing second classification on the image to be processed according to the second feature by using a second classifier; and outputting the classification result of the second classification.

Image processing method and apparatus, screening system, computer-readable storage medium for improving screening performance

A metal complex containing three different ligands which may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can not only achieve device performed desired to be adjusted or improved by adjusting substituents but also have the effect of effectively controlling increase of the evaporation temperature. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.

Metal complex containing a first ligand, a second ligand, and a third ligand

An organic light-emitting material contains a 6-silyl-substituted isoquinoline ligand. The organic light-emitting material is a metal complex containing a 6-silyl-substituted isoquinoline ligand and may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can provide redder and saturated emission and meanwhile demonstrate a significantly improved lifetime and efficient and excellent device performance. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.

Organic luminescent material containing 6-silyl-substituted isoquinoline ligand

Disclosed is an organic light-emitting material including a 3-deuterium-substituted isoquinoline ligand. The organic light-emitting material is a metal complex including a 3-deuterium-substituted isoquinoline ligand and an acetylacetonate ligand, which can be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These novel complexes can effectively prolong device lifetime. Further disclosed is an electroluminescent device including the metal complex and a compound formulation.

Organic luminescent material including 3-deuterium-substituted isoquinoline ligand

Growing community of inventors

Beijing, China

Cuifang Zhang