Compound, organic electroluminescent device and display device
A compound and carbon atom technology, applied in the field of electroluminescence, can solve the problems of single type of light extraction material and unsatisfactory effect, and achieve improved film-forming performance and light transmittance, low driving voltage, and excellent film-forming performance Effect
Active Publication Date: 2022-05-13
FUYANG XINYIHUA MATERIAL TECH
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Problems solved by technology
At present, the types of light extraction materials are relatively single, and the effect is not ideal. The research and development of more effective light extraction materials is one of the more serious challenges faced by OLED workers.
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[0071] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0072] It should be noted that in this application, unless otherwise specified, all the implementation modes and preferred implementation methods mentioned herein can be combined with each other to form a new technical solution. In the present application, unless otherwise stated, the numerical range "a~b" represents an abbreviated representation of any combination of real numbers between a and b, where a and b are both real numbers. For example, the numerical range "6-22" mea...
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Abstract
The invention relates to the field of electroluminescence, and discloses a compound, an organic electroluminescent device and a display device. The structural formula of the compound is shown as a formula (I). An organic electroluminescent device made of a material of the compound has low driving voltage and high current efficiency, and meanwhile, a transmission layer or an injection layer of the organic electroluminescent device can be prepared by utilizing the compound through a solution method.
Description
[0001] This application claims the priority of a Chinese patent application with application number 202011270988.5 and application title "Compounds and Organic Electroluminescent Devices and Display Devices" filed with the China Patent Office on November 13, 2020, the entire contents of which are hereby incorporated by reference In this application. technical field [0002] The present application relates to the field of electroluminescence, in particular to a compound, an organic electroluminescence device and a display device. Background technique [0003] At present, organic electroluminescent (OLED) display technology has been applied in smart phones, tablet computers and other fields, and will further expand to large-size application fields such as TVs. In the development process of nearly 30 years, people have developed various OLED materials with excellent performance, and through different designs of device structures, and optimization of device life and efficiency, ...
Claims
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IPC IPC(8): C07C211/61C07C217/80C07C255/58C07D209/80C07D209/86C07D209/88C07D209/96C07D219/02C07D221/18C07D241/46C07D307/91C07D487/04C07C13/66C07C25/22H01L51/54H01L51/50
CPCC07C211/61C07D209/86C07D487/04C07D307/91C07D241/46C07D221/18C07C25/22C07C13/66C07C2603/94C07C2603/42C07C2603/40C07C2603/26H10K85/622H10K85/624H10K85/626H10K85/633H10K85/615H10K85/6576H10K85/6574H10K85/657H10K85/6572H10K50/15H10K50/17C07D209/94C07D493/04C07D333/76C07D495/04C07D307/77C07D333/78C07D279/22H10K85/623H10K85/60H10K85/625C07D265/38C07C2603/52C07C2603/18C07B2200/05C07C2603/54
Inventor 王占奇郭林林李志强陆金波
Owner FUYANG XINYIHUA MATERIAL TECH