An organic light-emitting device including a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, and wherein the organic layer comprises a first compound represented by Formula 1 and a second compound having the lowest excited triplet energy level greater than 2.73 electron volts:
wherein in Formula 1, R
11
to R
33
are the same as described in the specification.
COMPOSITION OF MATTER FOR USE IN ORGANIC LIGHT-EMITTING DIODES
申请人:KYULUX, INC.
公开号:US20200168814A1
公开(公告)日:2020-05-28
The present disclosure relates to compounds of Formula (I) as useful materials for OLED's. R is hydrogen or phenyl substituted with at least one alkyl; and D, D′ and D″ independently have diarylamino or indolyl moiety.
CARBAZOLE-BASED PHOSPHINE OXIDE COMPOUND, AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME
申请人:Lee Jun-Yeob
公开号:US20120068168A1
公开(公告)日:2012-03-22
The present invention relates to a carbazole-based phosphine oxide compound, and an organic electroluminescent device including the same. According to the present invention, provided are a compound for an organic electroluminescent device which can improve the thermal stability and efficiency characteristics which are unstable and low, respectively, corresponding to problems of known compounds for organic electroluminescent devices, and particularly, can implement excellent efficiency characteristics in a pure blue phosphorescent device, by using the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device, and the organic electroluminescent device. According to one aspect of the present invention, the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device is provided, and the organic electroluminescent device containing the same which can implement thermal stability and high efficiency characteristics is also provided.
PHOTOELECTRIC CONVERSION DEVICE AND SOLAR CELL USING THE SAME
申请人:AKIYAMA Seiji
公开号:US20120211082A1
公开(公告)日:2012-08-23
There is provides a photoelectric conversion device material which can be used as an electrode buffer material for a solar cell or the like and can improve durability while maintaining the interaction with an electrode and mobility; a photoelectric conversion device using the photoelectric conversion device material; and a solar cell using the photoelectric conversion device. A photoelectric conversion device containing a buffer layer and an active layer, wherein the buffer layer contains a compound represented by the following general formula (I), the active layer contains an n-type semiconductor, and the n-type semiconductor is a compound having a solubility in toluene of 0.5% by weight or more at 25° C. and having an electron mobility of 1.0×10
−6
cm
2
/Vs or more.
LIGHT EMITTING DEVICE AND FUSED POLYCYCLIC COMPOUND FOR LIGHT EMITTING DEVICE
申请人:Samsung Display Co, Ltd.
公开号:US20220181556A1
公开(公告)日:2022-06-09
A light emitting device of an embodiment includes a first electrode, a second electrode facing the first electrode, and multiple organic layers disposed between the first electrode and the second electrode. At least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.