Industrial Technology Research Institute

E-ray Optoelectronics Technology Co., Ltd.

Tsinghua University

Heh-Lung Huang

Teng-Chih Chao

Chien-Hong Cheng

Banumathy Balaganesan

Hao-Chun Lee

Chi-Jen Lin

Jin-Sheng Lin

Mei-Rurng Tseng

Po-Wei Hsu

Cheng-An Wu

Yi-Huan Fu

Meng-Ting Lee

Shu-Tang Yeh

Tien-Shou Shieh

Taizo Hatta

Miao-Tsai Chu

Kun-Feng Chiang

Huang-Ming Guo

Cheng-Chung Yao

Yoshiyuki Hirao

Hsuan-Lung Lu

Huang-Ying Lin

Po-Wei Hsieh

Kuo-Hui Shen

Hui-Hsu Chen

I-Ho Shen

Rempei Kuwahara

The present disclosure provides phenyl biphenylpyrimidine compounds of formula (I) and an organic electroluminescent device using the same: wherein X1 and A1 each independently represents substituted or unsubstituted C6-30 aryl or substituted or unsubstituted C5-30 heteroaryl having at least one heteroatom selected from the group consisting of N, O, and S, and n represents an integer of 1 or 2.

Phenyl biphenylpyrimidine compound and an organic electroluminescent device using the same

Compounds of formula (I) and organic electroluminescent devices containing a cathode, an anode, and an organic layer, wherein the organic layer containing the compounds of formula (I) are disclosed. The compounds of formula (I) are: wherein Arepresents a substituted or unsubstituted (C6-C30) aryl, or a substituted or unsubstituted 5- to 30-membered heteroaryl; n is an integer of 1 or 2, and Xis selected from the group of 

Compounds for organic electroluminescent components and organic electroluminescent devices using the same

An organic light-emitting element is provided, including: an anode; a first hole assisting layer and a second hole assisting layer sequentially formed on the anode; a light-emitting layer formed on and in contact with the second hole assisting layer, the light-emitting layer including a host luminesce containing a compound having a carbazole group; at least one electron transport layer formed on the light-emitting layer; and a cathode formed on the electron transport layer, the second hole assisting layer including a hole transport compound represented by formula (I) to improve the performance of the organic light-emitting element.

Organic light-emitting element

The present invention discloses a novel heterocyclic compound of Formula (1) and an organic electroluminescent device using the same, in which variables are as described herein. The heterocyclic compound of Formula (1) is present in the emitting layer as a light emitting host in combination with a dopant and another host, in the organic electroluminescent device and high luminous efficiency and low driving voltage are achieved. 

Heterocyclic compounds and organic electroluminescent devices using the same

The present invention provides a high triplet energy compound of Formula 1 for an organic electroluminescent device: In Formula 1, X represents an oxygen or a sulfur atom, and represents a substituted or unsubstituted hetero-aromatic ring containing at least two nitrogens or an alkyl group with C2 to C6. The organic electroluminescent device including the compound used in an emissive layer or an electron transporting layer enhances the efficiency and the stability of the device.

Phosphorescent materials for organic electroluminescent devices

The present invention mainly provides a new imidazole compound, which can be used to produce electronic devices that are able to operate at low driving voltage and at high current efficiency. The new imidazole compound of the present invention is represented by the following formula (1): (In the formula (1), Rand Rare respectively the same as described in the specification).

Imidazole compound, material for electronic device, electroluminescent device, and electronic device thereof

Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure as represented as follows: 

Organic compound and organic electroluminescent device employing the same

Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented below:  wherein, Rare independently a hydrogen, or Calkyl; and Ris a hydrogen, hydroxy, or Calkoxy. The organic compounds have a high triplet energy (tE) gap and apt to transmit the energy to a guest emitter.

The present invention discloses a novel compound of Formula 1, and an organic electroluminescent device using the same. In Formula 1, X and Y independently represents an aromatic or a hetero aromatic hydrocarbon having a carbon number of from 5 to 10. Arto Areach independently represents an unsubstituted or substituted aromatic hydrocarbon having a carbon number of from 4 to C12, or an unsubstituted or substituted condensed polycyclic aromatic hydrocarbon having a carbon number of from 4 to 12; Arto Arcan form an annulated or fused aromatic ring system with the adjacent aromatic hydrocarbons. When the compound of Formula I is used in the device, high luminous efficiency, longer lifetime and low driving voltage can be achieved. 

Electron transporting compounds and organic electroluminescent devices using the same

Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: 

Organometallic compound and organic electroluminescence device employing the same

Organic compounds and organic electroluminescent devices employing the same are provided. The organic compound has a chemical structure represented below:  

Organometallic compounds and organic electroluminescence devices and compositions employing the same are provided. The organic metal compound has a chemical structure represented by formula (I) or formula (II): 

Organometallic compound, organic electroluminescence device and composition employing the same

Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: 

Organic compound and organic electroluminescence device employing the same

A quinoxaline derivative represented by Formula (I) of or Formula (II) of is provided. In Formula (I) or (II), R, R, Rand Rare, independently, hydrogen, halogen, methyl, ethyl, propyl, butyl, aryl or heteroaryl, for example phenyl, furyl, thienyl, pyridyl, pyrimidyl, benzothiazolyl or benzoimidazolyl. The disclosure also provides an organic light-emitting diode including the quinoxaline derivative.

Quinoxaline derivatives and organic light-emitting diodes comprising the same

Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows:  and Rand Rare each independent an aryl group, heteroaryl group, cycloalkyl group, hetero-cycloalkyl, or cycloaliphatic group.

Growing community of inventors

Taipei County, Taiwan

Heh-Lung Huang