Shanghai Tianma Am-oled Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Hongyang Ren

Xiangcheng Wang

Wei He

Chen Liu

Ying Liu

Yuji Hamada

Jie Li

Jinghua Niu

Wanming Hua

Huihui Ma

Peng Shu

An OLED display panel is provided. The OLED display panel comprises a first electrode; an opposite second electrode; and a plurality of stacking layers sandwiched between the first electrode and the second electrode. The plurality of stacking layers at least comprises a first auxiliary light-emitting layer and a light-emitting layer sequentially disposed on the first electrode. The first auxiliary light-emitting layer comprises a host material and a dopant material, and the dopant material comprises a compound of the following chemical formula (I): where n is an integer equal to or larger than 1, X, Xand Xeach independently has a chemical structure of R' is selected from any one of a substituted aryl group and a substituted heteroaryl group, and a substituent in the substituted aryl group and a substituent in the substituted heteroaryl group each includes at least one electron acceptor group.

Organic light-emitting diode (OLED) display panel, fabrication method and electronic device thereof

The present disclosure provides a nitrogen-containing heterocyclic compound having a general formula (I) and an organic photoelectric apparatus thereof. The general formula (I) is   

Organic electroluminescent compound and organic photoelectric apparatus

A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): AB]chemical formula (I). In the chemical formula (I): n denotes a positive integer and 1&#x2264;n&#x2264;5; a chemical group B has the following chemical formula (II): and a chemical group A has the following chemical formula (III) or (IV): In the chemical formula (II): Rto Rare independently selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl. Y 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, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl. Ar is selected from Cto Caryl, and Cto Cheteroaryl.

Organic electroluminescent material and organic optoelectronic device

The invention discloses an organic light-emitting display panel, an electronic device and a method for manufacturing the same. The organic light-emitting display panel includes: pixel regions on a substrate which emit light of various colors; each pixel region includes a first electrode, a light-emitting functional layer and a second electrode, one of the first electrode and the second electrode is light exit side electrode(s); an optical coupling layer is set on one side of the light exit side electrode far from the light-emitting functional layer; the refractive index of the optical coupling layer in the blue light wavelength region is 2 to 2.3; the difference between the refractive index of the optical coupling layer in the blue light wavelength region and that in the green light wavelength region is less than or equal to 0.2.

Organic light-emitting display panel, electronic device and method for manufacturing the same

The present disclosure relates to an OLED display panel, comprising a first electrode and a second electrode, a light emitting layer and a first auxiliary light emitting layer disposed between the first electrode and the second electrode, the first auxiliary light emitting layer is disposed between the light emitting layer and the second electrode, wherein the first auxiliary light emitting layer includes at least a first electron-type auxiliary light emitting layer, wherein the first electron-type auxiliary light emitting layer includes a host material and a metal element doped in the host material; the host material has at least one pyridyl group and an aromatic group conjugated to the at least one pyridyl group; and the glass transition temperature of the host material is &#x2265;90&#xb0; C. The present disclosure can improve the luminous efficiency and lifetime of an organic photoelectronic device and reduce its voltage by using this method.

OLED display panel and an electronic device comprising the same

A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): In the chemical formula (I), Rto Rare independently selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl; Xis selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene. A substituent is selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl. Aand Aare chemical groups independently represented by the following chemical formula (II), 

A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): wherein: Xto Xare independently selected from C and N, when N is selected, a substituent may not be included; Rto Rare independently selected nom hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, Cto Cheteroaryl, and a chemical group A represented by the following chemical formula (II): and at least one of Rto Ris selected from the chemical group A. In the chemical formula (II), Rto Rare independently selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl, and Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene.

A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): wherein: in the chemical formula (I), Rto Rare independently selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl, Xto Xare independently selected from C and N, when N is selected, N does not include a substituent, and when C is selected, C includes a substituent selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl, at least one of Xto Xand at least one of Xto Xare selected as C and, meanwhile, connected to Aand A, respectively, and Aand Aare chemical groups independently represented by the following chemical formula (II): 

The present disclosure provides a nitrogen-containing heterocyclic compound having general formula (I) and an organic photoelectric apparatus thereof.   

Organic electroluminescent compound and organic photoelectric apparatus thereof

The present application provides an organic electroluminescent compound, use thereof in organic optoelectronic device, and an organic photoelectric device comprising the same.

Organic electroluminescent compounds and organic optoelectronic devices comprising the same

A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): chemical formula (I). In the chemical formula (I), Xto Xare independently selected from O, S, and substituted or unsubstituted methylene, and a substituent is selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl. Xis selected from O, S, substituted or unsubstituted methylene, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and a substituent is selected hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl. Rto Rare independently selected from hydrogen, deuterium, Cto Calkyl, Cto Cheteroatom-substituted alkyl, Cto Caryl, and Cto Cheteroaryl.

The present disclosure provides a nitrogen-containing heterocyclic compound having a general formula (I) and an organic photoelectric apparatus thereof. The general formula (I) is:  wherein A, A, A, A, A, A, A, A, A, and Aare independently selected from a hydrogen atom, a nitrile group and a function group having a general formula (II), and A, A, A, A, A, A, A, A, A, and Ainclude at least one nitrile group and at least one function group having the general formula (II), the general formula (II) being:  wherein R, R, R, R, R, R, R, and Rare independently selected from hydrogen atoms, deuterium atoms, Caromatic group and Cheterocyclic aromatic group.

A nitrogen-containing heterocyclic compound having a general formula (I) and an organic photoelectric apparatus are provided. The compound of general formula (I) is:  

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Hongyang Ren