Company Filing History:
Years Active: 2004-2019
Title: Innovations of Donghang Yan in Organic Semiconductors
Introduction
Donghang Yan is a prominent inventor based in Changchun, China. He has made significant contributions to the field of organic semiconductors, holding a total of 5 patents. His work focuses on enhancing the performance and efficiency of organic electronic devices.
Latest Patents
Donghang Yan's latest patents include groundbreaking inventions such as an organic semiconductor crystalline film and methods for preparing it. His innovations in organic transistors and organic phototransistors have paved the way for advancements in the field. The organic semiconductor crystalline film he developed is characterized by its n-type or p-type semiconductor properties. The organic semiconductor crystal molecules within this film are oriented in a stand-up manner on an ordered substrate, establishing a strong oriented relationship with it. This preparation method allows for controlled high carrier mobility direction, enhancing the mechanical strength and micro-machining properties of the film. The carrier mobility of the weak oriented epitaxially grown film reaches 0.32 cm/Vs, which is five times greater than that of vapor phase deposited films, approaching the performance of single crystals. His inventions are adaptable to both glass and plastic substrates.
Another notable patent involves the use of axial substituted phthalocyanine compounds as a semiconductor layer in organic thin-film transistors. This innovation utilizes a center ligand with three or more valences, with axial ligands such as chlorine, fluorine, or oxygen. The crystalline films produced from these compounds exhibit high carrier mobility, rich energy levels, and stable performance, making them suitable for integrated processes. The field effect mobility and on/off ratio of the organic thin-film transistors exceed 0.01 cm/Vs and 10, respectively.
Career Highlights
Donghang Yan is affiliated with the Chinese Academy of Sciences, where he continues to push the boundaries of organic semiconductor technology. His research has significantly impacted the development of efficient organic electronic devices.
Collaborations
He has collaborated with notable colleagues, including De Song and Feng Zhu, contributing to the advancement of their shared research interests.
Conclusion
Donghang Yan's innovative work in organic semiconductors showcases his dedication to enhancing electronic device performance. His patents reflect a commitment to advancing technology in this vital field.