Electroluminesecent material, method for manufacturing the same and a luminesecent device with the electroluminesecent material
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorYanjie Wang
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Abstract
The present disclosure provides an electroluminescent material, a method for manufacturing the electroluminescent material, and a luminescent device, by employing different electron donor units and electron acceptor units of acridine and carbazoles, and using two different donors to connect to an acceptor to form an asymmetric structure, an electroluminescent material, a method for manufacturing the electroluminescent material, and a luminescent device capable of emitting dark blue light with a high luminous efficiency are achieved.
Claims17
An electroluminescent material, wherein a structural formula of the electroluminescent material is R3—R1—R2, wherein a structural formula of the R1 group is selected from one of
- a structural formula of the R2 group is selected from one of
- a structural formula of the R3 group is selected from one of
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 structural formula of the first reactant is X1—R4—X2, wherein a structural formula of the R4 group is selected from one of
- the X1 group is Cl or Br, the X2 group is Br or I, the X1 group is different from the X2 group, the second reactant comprises a compound containing a R2 group, a structural formula of the R2 group is selected from one of
- a structural formula of the first intermediate product is X1—R4—X2;
- providing a third reactant, and reacting the third reactant and the first intermediate product to generate a second intermediate product, wherein the third reactant comprises a compound containing a R3 group, a structural formula of the R3 group is selected from one of
- a structural formula of the second intermediate product is R3R4R2;
- and
- providing a fourth reactant, and reacting the second intermediate product and the fourth reactant to generate the electroluminescent material, wherein the fourth reactant is an oxidizing agent, a structural formula of the electroluminescent material is R3—R1—R2, a structural formula of the R1 group is selected from one of
A luminescent device, comprising:
- a substrate base layer, wherein the substrate layer comprises a base and an anode layer, and the anode layer is formed on the base;
- a hole injection layer, wherein the hole injection layer is formed on the anode layer;
- a hole transport layer, wherein the hole transport layer is formed on the hole injection layer;
- a luminescent layer, wherein the luminescent layer is formed on the hole transport layer;
- an electronic transport layer, wherein the electronic transport layer is formed on the luminescent layer;
- and
- a cathode layer, wherein the cathode layer is formed on the electronic transport layer;
- wherein the luminescent layer comprises an electroluminescent material, wherein a structural formula of the electroluminescent material is R3—R1—R2, wherein a structural formula of the R1 group is selected from one of
- a structural formula of the R2 group is selected from one of
- a structural formula of the R3 group is selected from one of
Dependencies are inferred from the claim text.