Electroluminescent material, method for manufacturing the same, and luminescent device
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorJiajia Luo
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Abstract
A luminescent material, a method for manufacturing the luminescent material and a luminescent device are provided. The method includes reacting 2,7-dibromofluorene and bromine hexyl to generate a first intermediate product, reacting the first intermediate product and a bis(pinacolato)diboron reagent to generate a second intermediate product, reacting 1, 4-dibromo-phenodiphene and the organic thermal activation delayed fluorescent material to generate a third intermediate product, and reacting the first intermediate product, the second intermediate product and the third intermediate product to generate the electroluminescent material.
Claims20
An electroluminescent material, wherein a molecular structural formula of the electroluminescent material is as follows:
- wherein m is an integer greater than or equal to 4, and n is an integer greater than or equal to 3, a, b and c are natural numbers, a/(a+b+c) equals to a number ranging from 0.2 to 0.8, b/(a+b+c) equals to a number ranging from 0.1 to 0.4, and c/(a+b+c) equals to a number ranging from 0.1 to 0.4.
A method for manufacturing an electroluminescent material, comprising:
- providing a first reactant and a second reactant and reacting the first reactant and the second reactant to generate a first intermediate product, wherein a molecular
- structural formula of the first reactant is a molecular structural formula of the second reactant is CH3˜(CH2)n˜R3, a molecular structural formula of the
- first intermediate product is wherin n is an integer greater than or equal to 3, R1 is Cl, Br, or I, R2 is Cl, Br, or I, and R3 is Cl, Br, or I;
- providing a third reactant and reacting the first intermediate product and the third reactant to generate a second intermediate product, wherein the third reactant is a a bis(pinacolato)diboron reagent, a molecular structural formula of the third reactant is
- a molecular structural formula of the second intermediate product
- is
- providing a fourth reactant and a fifth reactant and reacting the fourth reactant and the fifth reactant to generate a third intermediate product, wherein a molecular
- structural formula of the fourth reactant is a molecular structural
- formula of the fifth reactant is a molecular structural formula of the third intermediate product is
- wherein m is an integer greater than or equal to 4, R4 is Cl, Br, or I, R5 is Cl, Br, or I, and R6 is Cl, Br, or I;
- reacting the first intermediate product, the second intermediate product and the third intermediate product to generate the electroluminescent material.
A luminescent device, wherein comprises:
- a base layer, the base layer comprises a substrate base and a first electrode layer formed on the substrate base;
- a cavity transmitting and injecting layer, the cavity transmitting and injecting layer is formed on the base layer, and electrically connected to the first electrode layer;
- a luminescent layer, the luminescent layer is formed on the cavity transmitting and injecting layer;
- an electronic transmitting layer, the electronic transmitting layer is formed on the luminescent layer;
- and
- a second electrode layer, the second electrode layer is electrically connected to the electronic transmitting layer, wherein the luminescent layer comprises a electroluminescent material, a molecular structural formula of the electroluminescent material is as follows:
- wherein m is an integer greater than or equal to 4, and n is an integer greater than or equal to 3, a, b and c are natural numbers, a/(a+b+c) equals to a number ranging from 0.2 to 0.8, b/(a+b+c) equals to a number ranging from 0.1 to 0.4, and c/(a+b+c) equals to a number ranging from 0.1 to 0.4.
Dependencies are inferred from the claim text.