Location History:
- Ansan-si, KR (2013 - 2019)
- Daegu, KR (2020)
Company Filing History:
16 out of 733 
4 out of 162 
1 out of 832,680 Years Active: 2013-2020
Title: Chang Suk Han: Innovator in Light Emitting Diode Technology
Introduction: Chang Suk Han, a prolific inventor based in Ansan-si, South Korea, has made significant contributions to the field of optoelectronics with a remarkable portfolio of 20 patents. His work primarily focuses on advances in light emitting diode (LED) technology, which plays a crucial role in modern lighting and display solutions.
Latest Patents: Among his latest innovations, Han's patents include a groundbreaking light emitting diode that features an n-type contact layer doped with silicon and a unique active region. This invention stands out for its superlattice layer, which enhances the performance of the LED by incorporating multiple layers, along with an undoped intermediate layer and an electron reinforcing layer. The final layer of the superlattice closest to the active region is specifically doped with silicon at a higher concentration than the n-type contact layer, optimizing its efficiency.
Another notable patent by Han is for a UV light emitting device. This device consists of an n-type and a p-type contact layer, each composed of AlGaN or AlInGaN, with a multi-quantum well active layer situated between them. The carefully designed barrier layers within the active area prevent the spreading of electrons and holes, thus enhancing the device's functionality.
Career Highlights: Chang Suk Han has worked with prominent companies in the industry, including Seoul Viosys Co., Ltd. and Seoul Opto Device Co., Ltd. His innovative designs and persistence in improving LED technologies have placed him at the forefront of his field, solidifying his reputation as a leading inventor.
Collaborations: Throughout his career, Han has collaborated with esteemed professionals such as Hwa Mok Kim and Hyo Shik Choi. These partnerships have facilitated the development of advanced technologies and fostered an environment of innovation within the optoelectronics sector.
Conclusion: Chang Suk Han's impressive array of patents reflects his dedication and ingenuity in the realm of light emitting diode technology. With his continuous pursuit of excellence in innovation, Han is paving the way for future advancements that will undoubtedly benefit a wide range of applications in the lighting and electronics industries.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.