Universal Display Corporation

Other

Industrial Technology Research Institute

Au Optronics Corporation

National Taiwan University

Ken-Tsung Wong

Raymond Kwong

Chuanjun Xia

Ming-Cheng Kuo

Wen-Yi Hung

Chung-Chih Wu

Hao-Wu Lin

Jason Brooks

Chieh-Wei Chen

Chung-Chun Lee

Chi Hang Lee

Meng-Huan Ho

Ting-Yi Cho

Siu Tung Lam

James R Esler

Chih-I Wu

Li-Yen Lin

Ming-Han Tsai

Yi-Hong Chen

Hsiao-Fan Chen

Shih-Wei Lin

Wei-Lung Tsai

Yuan-Li Liao

Chi-Yen Lin

Tei-Hung Hou

Meng-Jung Wu

Wei-Jiun Chen

Tzu-Chin Yeh

Fu-Chuan Fang

Ting-An Lin

Ting-Chih Wang

Qu-Yuan Liu

Yi-Tza Hung

Francis Lin

Shi-Wen Chiu

Tanmay Chatterjee

Hai-Ching Su

Novel organic compounds comprising a bicarbazole core are provided. In particular, the compounds has a 3,3'-bicarbazole core substituted at the 9-position with a triazine or pyrimidine. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.

Organic electroluminescent materials and devices

Novel electroluminescent devices containing bicarbazole triazine compounds as emissive dopants are described. Devices incorporating this class of compounds exhibit delayed fluorescence characteristics that showed EQE's far exceeding the theoretical limit for a conventional fluorescent device.

A luminescent materials including donor-acceptor compounds with a nitrogen containing donor connected to the 1-position of a carbazole and triazene acceptor connected at the 9-position is disclosed.

Provided is a triazine-based compound represented by following formula (I). 

Triazine-based compound and light emitting device

Bicarbazole compounds for OLEDs

The present invention relates to compounds of the formula (1), to the use thereof in electroluminescent devices, and particularly organic electroluminescence devices, comprising said compounds according to the invention. 

Spiroacridine-triazine hybrids and applications for electroluminescent devices

A compound that has the structure according to Formula 1: as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compound of Formula 1:

An organic light emitting device is provided. The organic light emitting device includes a first electrode layer, a second electrode layer and a light emitting material layer. The second electrode layer is disposed opposite to the first electrode layer. The light emitting material layer is disposed between the first electrode layer and the second electrode layer, and includes an organic light emitting material and an electron transport material, wherein the electron transport material includes a compound represented by a formula (1) below: 

Electron transport material and organic light emitting device

Provided are compounds with a donor moiety, a first acceptor moiety and a second acceptor moiety, as shown by Formula (I): With the unique molecular design, compounds of Formula (I) can provide a desirable power conversion efficiency. Moreover, this invention also provides organic thin-film solar cells comprising the above-mentioned compounds.

Compounds for organic thin-film solar cells and organic thin-film solar cells

The present invention discloses synthesis of 2,2'-disubstituted 9,9&#x2032;-spirobifluorene-based triaryldiamine. First, 2,2&#x2032;-diamino-9,9&#x2032;-spirobifluorene, a Pd-catalyst as auxiliary and aryl halide BX are provided, wherein X is selected from the group consisting of: Cl, Br and I, B comprises one of the following group: aryl moiety, hetero cycle, multiple fused ring, multiple fused ring with hetero atom(s). Next, a substitution reaction is performed to react the 2,2&#x2032;-diamino-9,9&#x2032;-spirobifluorene with the aryl halide BX to produce the 2,2&#x2032;-disubstituted 9,9&#x2032;-spirobifluorene-based triaryldiamines. In addition, the present invention discloses organic light emitting devices comprising hole transporting material comprising 2,2&#x2032;-bis(N,N-disubstituted amino)-9,9&#x2032;-spirobifluorenes.

2-2'-disubstituted 9,9&#x2032;-spirobifluorene-base triaryldiamines and their application

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Taipei, Taiwan

Ken-Tsung Wong