Provided are a condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer may include the condensed cyclic compound represented by Formula 1:

##STR00001##

In Formula 1, rings A.sub.1, A.sub.2, and A.sub.3 may each be independently a C.sub.5-C.sub.60 carbocyclic group or a C.sub.2-C.sub.30 heterocyclic group, and n1 to n3 may each be independently 0 or 1, provided that the sum of n1, n2, and n3 is 1. In addition, the descriptions of X.sub.1, L.sub.1 to L.sub.9, a1 to a9, Ar.sub.1 to Ar.sub.6, b1 to b6, R.sub.1 to R.sub.3, and c1 to c3 are as defined in the present specification.

Novel substituted tetraphenylene compounds useful as host for phosphorescent emitters in OLEDs is disclosed.

A spirally configured cis-stilbene/fluorene hybrid material is shown in formula (1),

##STR00001##

R is an alkyl group or represented by formula (2),

##STR00002##

wherein R.sub.1 to R.sub.4, R.sub.6, R.sub.8 to R.sub.11 and R.sub.13 to R.sub.18 are independently selected from the group consisting of hydrogen atom, halogen atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, amino group, haloalkyl group, thioalkyl group, silyl group and alkenyl group, R.sub.5 is a hydrogen atom, tert-butyl group or aryl group, R.sub.7 and R.sub.12 are independently selected from the group consisting of hydrogen atom, aryl group, diarylamino group, cyano group, heteroaryl (e.g., pyridine group, or pyrimidine group).

The present invention includes novel compounds containing heterocycles or azaheterocycles and tetraphenylene or azatetraphenylene, or cyano substituted variants thereof. These compounds may be useful as host materials for phosphorescent electroluminescent devices.

A spirally configured cis-stilbene/fluorene hybrid material is shown in formula (1),

##STR00001##

wherein R is an alkyl group or represented by formula (2), X represents CR.sub.36R.sub.37 or NR.sub.38, wherein R.sub.36 is represented by formula (3), R.sub.37 is represented by formula (4), R.sub.38 is represented by formula (5),

##STR00002##

wherein R.sub.1 to R.sub.4, R.sub.6 to R.sub.18 and R.sub.39 to R.sub.53 are independently selected from the group consisting of hydrogen atom, halogen atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, amino group, haloalkyl group, thioalkyl group, silyl group and alkenyl group, R.sub.5 is a hydrogen atom, tert-butyl group or naphthyl group, n is 0 or 1.

Illustrative embodiments of the invention generally relate to photovoltaics and solar energy harvesting devices and, particularly, to those that are transparent or semi-transparent, allowing sufficient visible light through them to allow visualization of objects through them, and more particularly, to those that supplement their primary near ultraviolet light absorption with secondary and/or tertiary absorptions of narrow bands of visible light while maintaining their transparency. Various embodiments of the invention relate to single solar materials with both primary ultraviolet absorption and secondary, narrow-band visible absorption, while some embodiments of the invention utilize mixtures of one or more materials to realize a primary ultraviolet absorption of light with secondary, or even tertiary, narrow bands of visible light absorption. Means of manufacturing such photovoltaics and solar energy harvesting devices will also be disclosed as well as the applications and uses thereof.

A display panel and a manufacturing method thereof are provided. The manufacturing method of the display panel include following blocks: providing a light-emitting element; coating a polymer solution on a light-emitting element and performing a first annealing process to the light-emitting element after it is coated with the polymer solution to form a first protecting layer; and coating an organic compound solution on the first protecting layer so that the organic compound solution is self-assembled on the first protecting layer to form a second protecting layer, wherein the second protecting layer has a crosslinking three-dimensional network structure.

A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by Chemical Formula 1 and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3, ##STR00001##

An organic compound represented by formula [1] is provided. ##STR00001##
Ring A is a polycyclic aromatic hydrocarbon ring having a fluoranthene skeleton and having 16 to 60 carbon atoms and optionally has, as a substituent, a substituted or unsubstituted alkyl group or the like. Rings B.sub.1 and B.sub.2 are aromatic hydrocarbon rings having 6 to 18 carbon atoms and each have two or more electron withdrawing groups. Q.sub.1 and Q.sub.2 respectively represent one of the electron withdrawing groups of the ring B.sub.1 and one of the electron withdrawing groups of the ring B.sub.2, and are respectively located at an ortho position of the ring B.sub.1 and at an ortho position of the ring B.sub.2 with respect to the ring A.

The present disclosure relates to a novel compound and an organic electroluminescent element including the same, and the compound according to the present disclosure is used for an organic material layer of the organic electroluminescent element, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent element.