Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Other

Yamei Bai

Lin Y Yang

Jiajia Luo

Xianjie Li

Jinchang Huang

Yu Gu

The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a thermally activated delayed fluorescence material having red, green, or blue color, a synthesis method thereof, and application thereof. The thermally activated delayed fluorescence material having red, green, or blue color has the following structural formula: 

Thermally activated delayed fluorescence material having red, green, or blue color, synthesis method thereof, and application thereof

A dithiazine-based hole transport material, preparing method thereof and an organic light-emitting device are provided; a molecular structural formula of the hole transport material is as following: wherein Rand Rare each an electron-donating group.

Dithiazine-based hole transport material, preparing method thereof, and organic light-emitting device

An efficient blue-green to orange-red thermally activated delayed fluorescence material, a manufacture method, and an application thereof are provided. This disclosure solves the technical problems in the art by cleverly synthesizing a series of thermally activated delayed fluorescence materials, which have lower singlet-triplet energy difference, high luminous efficiency, and fast reverse intersystem crossing constant, and simultaneously fine-tuning the structure to cover the spectrum from blue-green light to orange-red light. Further, their structures are confirmed by nuclear magnetic resonance and mass spectroscopy, and their photophysical properties are also determined. Therefore, these luminescent thermally activated delayed fluorescence (TADF) materials are applied to light-emitting layer for manufacturing a series of organic light-emitting diodes (OLEDs) having high performance, which have great application prospects and economic value.

Efficient blue-green to orange-red thermally activated delayed fluorescence material, manufacture method, and application thereof

An array substrate is provided, which includes a flexible substrate, a driving circuit layer and at least one layer of a bending material. The driving circuit layer is disposed on a side of the flexible substrate, at least one bending material layer is disposed in the driving circuit layer. The bending performance of the array substrate is enhanced by providing at least one bending material layer in the driving circuit layer.

Array substrate

A red light thermally activated delayed fluorescence material, a method for preparing the same, and an organic light emitting diode (OLED) device are provided. The OLED device has a luminescent material layer containing the red light thermally activated delayed fluorescence material. The red light thermally activated delayed fluorescence material has a specific molecular structure. The OLED device has a maximum brightness ranging from 1300 to 1800 cd/mand a maximum current efficiency ranging from 25 to 35 cd/A.

Red light thermally activated delayed fluorescence material, method for preparing the same, and organic light emitting diode device

A thermally activated delayed fluorescence (TADF) material including a compound represented by formula (I). The TADF material can be applied to an organic light-emitting layer, thereby realizing a series of high-performance TADF electronic devices.

Thermally activated delayed fluorescence material, organic electroluminescent device, and display panel

The present invention provides a green light thermal activation delayed fluorescent material, a synthesizing method thereof, and an electroluminescent device. The green light thermal activation delayed fluorescent material is a target compound having a molecular structure of D-A and synthesized by a reaction of an electron donor and an electron acceptor, wherein the electron acceptor being a planar electron acceptor in an ultra-low triplet energy state, and a triplet energy state of the target compound ranging from 2.0 to 3.0 eV. The method for synthesizing a green light thermal activation delayed fluorescent material includes the following steps: a reaction solution preparation step; a target compound synthesis step; an extraction step; and a target compound purification step. The electroluminescent device includes: a substrate layer; a hole transporting and injecting layer; a light emitting layer; an electron transporting layer; and a cathode layer.

Green light thermally activated delayed fluorescence (TADF) material and application thereof

An organic light-emitting diode (OLED) display panel and a manufacture method thereof are provided, which can enable the organic material encapsulated inside to have the function of removing water and oxygen, thereby further ensuring a reliable lifespan of the OLED display panel.

Organic light-emitting diode display panel and manufacture method thereof

The present disclosure provides an organic light-emitting diode (OLED) substrate and a method for manufacturing same. The method includes providing a substrate that includes a non-pixel area, a first pixel area, a second pixel area, and a third pixel area; forming a first sacrificial layer in the first pixel area and the second pixel area, forming a third light-emitting material layer on the substrate, and removing the first sacrificial layer, so as to form a third pixel area organic layer; and using the same steps to form a second pixel area organic layer and a first pixel area organic layer.

Growing community of inventors

Wuhan, China

Yamei Bai