Abstract:
PURPOSE: A compound with asymmetric structure forming a ring by binding of carbazole and fluorene is provided to ensure high efficiency, low voltage, high brightness, and long lifetime. CONSTITUTION: A compound with asymmetric structure forming a ring by binding of carbazole and fluorene is denoted by chemical formula 1. The compound is used in soluble process. An organic electric device contains one or more organic layers having the compound of chemical formula 1. The organic layer comprises a hole injection layer, hole transfer layer, light emitting layer, and electron injection layer. The compound of chemical formula 1 is contained in the hole injection layer or hole transport layer. The compound is used as a phosphoreence host material having red, green, blue, and white.
Abstract:
PURPOSE: A phenyl-naphthyl derivative is provided to improve driving voltage, luminous efficiency and lifetime property of an organic electroluminescence device due to excellent hole insertion ability and hole transport ability. CONSTITUTION: A phenyl-naphthyl derivative has a structure represented by chemical formula 1. In chemical formula 1, Ar1-Ar4 are C3-30 aryl group substituted with C1-30 alkyl group containing or not containing at least one hetero atom of S, N, O, P and Si, or C3-30 aryl group containing one or more hetero atoms among S, N, O, P and Si; and R1 - R10 are hydrogen atom, halogen atom, cyano group, hydroxyl group, thiol group, alkoxy group, substituted or unsubstituted C1-30 alkyl group or C3-30 aryl group, and C1-30 alkyl group or C3-30 aryl group containing at least one hetero atom among S, N, O, P and Si.
Abstract:
PURPOSE: A biphenyl derivative is provided to ensure excellent hole injection performance and hole transport performance, and to improve driving voltage of an organic electroluminescence device, luminous efficiency and lifetime property when used as a hole injection layer and/or hole transport layer of the organic electroluminescence device. CONSTITUTION: A biphenyl derivative has a structure represented by chemical formula 1 or 2. In chemical formula 1 and 2, R1 and R2 are independently substituted or unsubstituted C6-50 aryl group; Ar1 and Ar2 are independently a substituent represented by chemical formula 3. In chemical formula 3, L1 and L2 are independently a linker having a substituted or unsubstituted ring structure, wherein one or two of them can be present.
Abstract:
PURPOSE: An organic electroluminescenct device containing a novel antracene derivative is provided to ensure high electro luminescence efficiency. CONSTITUTION: A novel anthracene derivative is denoted by the chemical formula 1. In the chemical formula 1, Ar1 and Ar2 are arylene of C6-C30 or heteroarylene of C6-C30 and R1 and R2 can be substituted to hydrogen, aryl group of C6-c30, and silyl group.
Abstract:
The present invention provides a novel compound, which can increase light emitting efficiency, and stability of an electronic element and can extend a life span of the electronic element, an organic electronic element and an electronic device using the same. The organic electronic element includes a first electrode, a second electrode, and an organic material layer located between the first electrode and the second electrode. The compound is characterized in that the compound is contained in the organic material layer. The compound is contained in at least one layer of a hole injection layer, a hole transport layer, a light-emitting assistant layer, or a light emitting layer the organic material layer, included in the organic material layer.
Abstract:
The present invention provides a novel compound capable of improving light emitting efficiency, stability, and a lifespan of a device, an organic electroluminescent device using the compound, and an electronic device of the electroluminescent device. The electroluminescent comprises: a first electrode; a second electrode; and an organic layer which is disposed between the first electrode and the second electrode and includes a hole transport layer and a secondary light emitting layer. [Reference numerals] (110) Substrate; (120) Positive electrode; (130) Hole injection layer; (140) Hole transport layer; (141) Buffer layer; (150) Light emitting layer; (151) Light emitting assisting layer; (160) Electron transfer layer; (170) Electron injection layer; (180) Negative electrode
Abstract:
PURPOSE: A compound for an organic electronic element, the organic electronic element using the same, and an electronic device thereof are provided to improve light emitting efficiency, stability, and lifetime of the element. CONSTITUTION: A compound is denoted by chemical formula. An organic light emitting element comprises a first electrode, a second electrode, and an organic layer between the first and second electrodes. The organic layer contains the compound. The organic electronic element is used for making the compound into the organic layer by a soluble process. The organic layer includes a light emitting layer containing the compound. An electronic device comprises: a display device containing the organic electronic element; and a control unit which drives the display device.
Abstract:
PURPOSE: A compound is provided to improve luminous efficiency of an organic electroluminescence device, to decrease driving voltage, and to improve lifetime and stability. CONSTITUTION: A compound is in chemical formula 1. An organic electroluminescence device consists of a first electrode, one or more organic material layers and a second electrode which are laminated in order. The organic material layer is one of a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer. The light-emitting layer comprises the compound as an electroluminescent host material. At least one or more of the hole injection layer or the hole transport layer comprises the compound. An electronic device comprises a display device comprising the organic electroluminescence device, and a control part operating the display device.