Company Filing History:
4 out of 49,791 
1 out of 24 
1 out of 1,636 
Years Active: 2008-2022
Title: Seh-Won Ahn: Innovator in Solar Cell Technology
Introduction
Seh-Won Ahn is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of solar cell technology, holding a total of 6 patents. His innovative approaches have the potential to enhance the efficiency and performance of solar energy systems.
Latest Patents
One of his latest patents is a tandem solar cell manufacturing method. This method includes etching a crystalline silicon substrate, resulting in a solar cell that avoids pyramid-shaped defects on the substrate's surface. It also inhibits shunt generation through the substrate, which possesses excellent surface roughness properties, thereby securing fill factor properties. The method involves preparing a crystalline silicon substrate, performing an isotropic etching process, and removing saw damage on the substrate's surface through an anisotropic etching process.
Another notable patent is for a tandem solar cell and the method of manufacturing it. This invention features a tandem solar cell that incorporates a perovskite solar cell stacked on and bonded to a silicon solar cell. The method includes a first passivation pattern that exposes part of the emitter layer, protecting it during high-temperature firing for forming a second electrode. This innovation reduces surface defects of the emitter layer and mitigates degradation of the perovskite solar cell's characteristics.
Career Highlights
Seh-Won Ahn has worked with notable companies such as LG Electronics Inc. and Shangrao Jinko Solar Technology Development Co., Ltd. His experience in these organizations has contributed to his expertise in solar technology and innovation.
Collaborations
Some of his coworkers include Seongtak Kim and Yu Jin Lee. Their collaborative efforts have likely played a role in advancing the projects and patents that Ahn has developed.
Conclusion
Seh-Won Ahn is a key figure in the advancement of solar cell technology, with a focus on innovative manufacturing methods that enhance performance. His contributions are paving the way for more efficient solar energy solutions.