A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I):

##STR00001##

In the chemical formula (I): Ar is selected from N-substituted or unsubstituted C.sub.6 to C.sub.30 aryl; m denotes a positive integer and 1≦m≦8, n denotes a positive integer and 1≦n≦8, and A.sub.1 is selected from chemical groups of the following chemical formula (II):

##STR00002##

In the chemical formula (II): R1 to R.sub.S are independently selected from hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.30 heteroatom-substituted alkyl, C.sub.6 to C.sub.30 aryl, and C.sub.2 to C.sub.30 heteroaryl. X is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and a substituent is selected from hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.50 heteroatom-substituted alkyl, C.sub.6 to C30 aryl, and C.sub.2 to C.sub.30 heteroaryl.

A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I):

##STR00001##

In the chemical formula (I): Ar is selected from N-substituted or unsubstituted C.sub.6 to C.sub.30 aryl; m denotes a positive integer and 1≦m≦8, n denotes a positive integer and 1≦n≦8, and A.sub.1 is selected from chemical groups of the following chemical formula (II):

##STR00002##

In the chemical formula (II): R1 to R.sub.S are independently selected from hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.30 heteroatom-substituted alkyl, C.sub.6 to C.sub.30 aryl, and C.sub.2 to C.sub.30 heteroaryl. X is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and a substituent is selected from hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.50 heteroatom-substituted alkyl, C.sub.6 to C30 aryl, and C.sub.2 to C.sub.30 heteroaryl.

Compounds of Formulae I, II, their pharmaceutically acceptable salts or esters thereof capable of binding to and modulating the activity of a stimulator of interferon genes (STING) protein are provided. Methods involving compounds of Formulae I or II as effective modulators of STING are also provided.

##STR00001##

An object is to provide an organic compound with a low refractive index. Alternatively, a novel organic compound with a low refractive index and an electron-donating property is provided. Alternatively, an EL device with high emission efficiency is provided. An organic compound having an arylamine skeleton including a fluorine atom or an acridine skeleton including a fluorine atom and an EL device using the organic compound are provided. The EL device preferably includes a hole-injection layer containing the organic compound having an arylamine skeleton including a fluorine atom or an acridine skeleton including a fluorine atom and a substance showing an electron-accepting property with respect to the organic compound.

The sulfonium salt does not contain a toxic metal and exhibits higher cationic polymerization performance and crosslinking performance than a tetrakis(pentafluorophenyl)borate salt. The heat- or photo-acid generator contains the sulfonium salt. The sulfonium salt is formed of a sulfonium cation selected from a group represented by general formulas (1), (9), (10) and (11) described below and a gallate anion represented by formula (a). The heat- or photo-acid generator contains the sulfonium salt. The heat- or energy ray-curable composition contains the acid generator and a cationically polymerizable compound. A cured product can be obtained by curing the same. ##STR00001##

A hole transporting material using ethylene bisacridine as a core is provided, having a following structural formula (I) and suitable migration rates under highest occupied molecular orbital (HOMO) energy levels and lowest unoccupied molecular orbital (LUMO) energy levels. Moreover, an organic light emitting diode is disclosed, including an anode, a cathode, and a light emitting structure located between the anode and the cathode, wherein the light emitting structure includes the hole transporting material using ethylene bisacridine as the core which is represented by the following structural formula (I) ##STR00001##

A hole transporting material using ethylene bisacridine as a core is provided, having a following structural formula (I) and suitable migration rates under highest occupied molecular orbital (HOMO) energy levels and lowest unoccupied molecular orbital (LUMO) energy levels. Moreover, an organic light emitting diode is disclosed, including an anode, a cathode, and a light emitting structure located between the anode and the cathode, wherein the light emitting structure includes the hole transporting material using ethylene bisacridine as the core which is represented by the following structural formula (I) ##STR00001##

The present application provides an electroluminescent material, a method for manufacturing an electroluminescent material, and a light emitting device, by employing the strong electron-withdrawing group such as cyano, pyridine, pyrimidine, or s-triazine to enhance the electron-withdrawing property of the fluorenone receptor unit, a captodative electron effect between the electron donor unit and the electron acceptor unit in the molecule is enhanced, so that the intermolecular charge transfer property is enhanced while the red light shifts, thereby further reducing the energy level difference between the single-line energy level and the triplet energy level of the target molecule, to realize a long life span, red light emitted electroluminescent material, a method for manufacturing the electroluminescent material and a light emitting device.

The present application provides an electroluminescent material, a method for manufacturing an electroluminescent material, and a light emitting device, by employing the strong electron-withdrawing group such as cyano, pyridine, pyrimidine, or s-triazine to enhance the electron-withdrawing property of the fluorenone receptor unit, a captodative electron effect between the electron donor unit and the electron acceptor unit in the molecule is enhanced, so that the intermolecular charge transfer property is enhanced while the red light shifts, thereby further reducing the energy level difference between the single-line energy level and the triplet energy level of the target molecule, to realize a long life span, red light emitted electroluminescent material, a method for manufacturing the electroluminescent material and a light emitting device.

A hole transporting material using ethylene bisacridine as a core is provided, having a following structural formula (I) and suitable migration rates under highest occupied molecular orbital (HOMO) energy levels and lowest unoccupied molecular orbital (LUMO) energy levels. Moreover, an organic light emitting diode is disclosed, including an anode, a cathode, and a light emitting structure located between the anode and the cathode, wherein the light emitting structure includes the hole transporting material using ethylene bisacridine as the core which is represented by the following structural formula (I)

##STR00001##