QUINOXALINE DERIVATIVE AND LUMINESCENT ELEMENT COMPRISING THE SAME - SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Title:

QUINOXALINE DERIVATIVE AND LUMINESCENT ELEMENT COMPRISING THE SAME

Document Type and Number:

WIPO Patent Application WO/2005/009979

Kind Code:

A1

Abstract:

An organic compound which is bipolar and luminescent and further has heat resistance. It is a quinoxaline derivative represented by the general formula (1). In the formula, A represents any one of alkylene chains, silicon (Si), oxygen (O), nitrogen (N), and sulfur (S); R¹ to R⁸ may be the same or different and each represents any of lower alkyl, aryl, and heterocyclic residues; and R⁹ to R²⁴ may be the same or different and each represents any of hydrogen, halogeno, lower alkyl, alkoxy, acyl, nitro, cyano, amino, dialkylamino, diarylamino, vinyl, optionally substituted aryl, and heterocyclic residues.

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Inventors:

Shitagaki, Satoko c/o SEMICONDUCTOR ENERGY LABORATORY CO. (LTD. 398 Hase Atsugi-sh, Kanagawa 36, 24300, JP)
Abe, Hiroko c/o SEMICONDUCTOR ENERGY LABORATORY CO. (LTD. 398 Hase Atsugi-sh, Kanagawa 36, 24300, JP)
Seo, Satoshi c/o SEMICONDUCTOR ENERGY LABORATORY CO. (LTD. 398 Hase Atsugi-sh, Kanagawa 36, 24300, JP)

Application Number:

PCT/JP2004/009845

Publication Date:

February 03, 2005

Filing Date:

July 09, 2004

Export Citation:

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Assignee:

SEMICONDUCTOR ENERGY LABORATORY CO., LTD. (398 Hase Atsugi-shi, Kanagawa, 36, 24300, JP)
Shitagaki, Satoko c/o SEMICONDUCTOR ENERGY LABORATORY CO. (LTD. 398 Hase Atsugi-sh, Kanagawa 36, 24300, JP)
Abe, Hiroko c/o SEMICONDUCTOR ENERGY LABORATORY CO. (LTD. 398 Hase Atsugi-sh, Kanagawa 36, 24300, JP)
Seo, Satoshi c/o SEMICONDUCTOR ENERGY LABORATORY CO. (LTD. 398 Hase Atsugi-sh, Kanagawa 36, 24300, JP)

International Classes:

C07D241/42; C09K11/06; H01J1/62; H01J63/04; H01L51/00; H05B33/14; H01L51/50; (IPC1-7): C07D241/42; C09K11/06; H05B33/14

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