Tcl China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Yunchuan Li

Shijian Su

Yuanchun Wu

Xianjie Li

Yifan Wang

Qinghua Zou

Kunkun Liu

Zhiheng Wang

An organic light emitting diode includes a light emitting layer that includes a light emitting material of the constitutional formula The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode. In the method for manufacturing the light emitting material, p-bromothiophenol and 4-Bromo-2-fluorobenzonitrile are employed to be starting materials, and an intermediate of the light emitting material is obtained with a series of simple reactions, and finally, the light emitting material is obtained with Ullmann reaction or Suzuki reaction, and these steps are simple and the production is high.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

A method for manufacturing a light emitting material of the constitutional formula is provided. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode. In the method for manufacturing the light emitting material, p-bromothiophenol and 4-Bromo-2-fluorobenzonitrile are employed to be starting materials, and an intermediate of the light emitting material is obtained with a series of simple reactions, and finally, the light emitting material is obtained with Ullmann reaction or Suzuki reaction, and these steps are simple and the production is high.

Light emitting material, manufacturing method thereof and organic light emitting diode using the light emitting material

A light emitting material of the constitutional formula is provided. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode. In a manufacture method of the light emitting material, p-bromothiophenol and 4-Bromo-2-fluorobenzonitrile are employed as starting materials, and the intermediate of the light emitting material is obtained with a series of simple reactions, and finally, the light emitting material is obtained with Ullmann reaction or Suzuki reaction, and the steps are simple and the production is high.

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode. In the manufacture method of the light emitting material according to the present invention, m-bromothiophenol and 4-Bromo-2-fluorobenzonitrile are employed to be starting materials, and the intermediate of the light emitting material is obtained with a series of simple reactions, and finally, the light emitting material is obtained with Ullmann reaction or Suzuki reaction, and the steps are simple and the production is high.

The invention provides a thioxanthone aromatic amine compound and an organic light emitting device using the compound. The thioxanthone aromatic amine compound includes a compound expressed by formula (I) or formula (II): where Arand Areach are selected from ammonia compounds with structures respectively expressed by formula (III) to formula (VII), or hydrogen atom, thioxanthone aromatic amine compound of the invention has single structure, determinate molecular weight, and has better solubility and film-forming property, and also has low biochemical temperature and decomposition temperature, and stable film morphology.

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Shenzhen, China

Yunchuan Li