Novel indolo[3,2,1-jk]carbazole-based bipolar host material for highly efficient thermally activated delayed-fluorescence organic light-emitting diodes
A novel bipolar material (ICzPyr) composed of electron-donating indolo[3,2,1-jk]carbazole and electron-withdrawing pyridmidine was developed and its use as a host material in thermally activated delayed-fluorescence (TADF) organic light-emitting diode (OL
Hiraga, Yasuhide,Kuwahara, Rempei,Hatta, Taizo
(2021/07/28)
Compound, photoelectric conversion device, and electronic device
The invention provides a compound shown as a formula I, a photoelectric conversion device and an electronic device, and belongs to the technical field of organic materials. The compound can reduce theworking voltage of the photoelectric conversion device, improve the luminous efficiency of the photoelectric conversion device and prolong the service life of the device.
A light-emitting element with high heat resistance and high emission efficiency is provided. A novel heterocyclic compound that can be used in such a light-emitting element is provided. One embodiment of the present invention is a light-emitting element w
-
(2016/12/16)
FLUORENE-CONTAINING AROMATIC COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
A fluorene-containing aromatic compound represented by a formula (1) below. In the formula (1): Nr1 represents a substituted or unsubstituted monocyclic nitrogen-containing aromatic ring having 2 to 5 ring carbon atoms, or a bicyclic nitrogen-containing aromatic ring having 2 to 9 ring carbon atoms; Ar represents an aromatic ring and the like; Fl1 and Fl2 represent a fluorenyl group; and Cz1 and Cz2 represent a carbazolyl group. A compound represented by a formula (2) below is omitted from the fluorene-containing aromatic compound represented by the formula (1).
-
Page/Page column 46-47
(2012/09/10)
More Articles about upstream products of 864377-28-6