Seong Yeon Han

Title: Innovative Contributions of Seong Yeon Han

Introduction

Seong Yeon Han, a prolific inventor based in Gwangju, South Korea, has made significant contributions to the field of optoelectronics. With a remarkable total of 29 patents to his name, Han focuses primarily on the development of light emitting devices and modules. His work is notable for its impact on lighting technology and efficiency.

Latest Patents

Among Han's latest innovations are two noteworthy patents. The first is a patent for a white light emitting device and a white light source module utilizing a unique combination of components. This device features a blue light emitting diode (LED) chip with a dominant wavelength ranging from 443 to 455 nm. It also includes red and green phosphors that, when excited by the blue LED chip, emit red and green light, respectively. The emitted colors meet specific coordinates defined by the CIE 1931 chromaticity diagram, ensuring high-quality light output.

The second recent patent pertains to an LED package and its fabrication method. This patent describes an innovative package that incorporates heat and electric conductors in its design. It features first and second lead frames, each with a planar base and upward extensions. The LED chip is positioned on the base of one lead frame and is seamlessly integrated into the package body made of resin, which protects and encases the chip while allowing for efficient heat dissipation.

Career Highlights

Throughout his career, Seong Yeon Han has been associated with prominent companies such as Samsung LED Co., Ltd. and Samsung Electro-Mechanics Co., Ltd. His work at these firms has significantly advanced the development of LED technologies. Han's inventions have been influential in improving energy efficiency and light quality in various applications, enhancing product performance across the optoelectronics landscape.

Collaborations

During his tenure, Han has collaborated with esteemed colleagues, including Young Sam Park and Hun Joo Hahm. These partnerships have led to innovative breakthroughs in LED technology, enabling the creation of high-performance light sources that are widely applicable in both consumer and industrial sectors.

Conclusion

Seong Yeon Han’s contributions to the field of light emitting devices underline his role as a leading inventor in optoelectronics. With 29 patents that showcase his innovative spirit and commitment to advancing technology, Han continues to shape the future of lighting solutions. His work not only enhances the practical application of LED technologies but also contributes to the ongoing evolution of energy-efficient lighting.