Bonggoo Yun

Title: Bonggoo Yun: Innovator in White Light Emitting Devices

Introduction

Bonggoo Yun is a notable inventor based in Hachioji, Japan. He has made significant contributions to the field of light-emitting devices, particularly in the development of innovative technologies for vehicle lamps. His work is characterized by a focus on enhancing the efficiency and quality of light emitted from semiconductor devices.

Latest Patents

Bonggoo Yun holds a patent for a white light emitting device and vehicle lamp using the same. This device includes a semiconductor light emitting element that has a peak emission spectrum in the range of 370 nm to 480 nm. It also incorporates at least one kind of phosphor, represented by the formula: SrBaSiON:Eu, which is excited by light emitted from the semiconductor to produce visible light. The specific ranges for the phosphor components are defined as x being in the range of 0.3 < x < 1.0, y in the range of 0.03 < y < 0.3, and the sum of x and y being less than 1.0.

Career Highlights

Bonggoo Yun is currently employed at Koito Manufacturing Company, Ltd., where he continues to innovate in the field of lighting technology. His work has been instrumental in advancing the capabilities of vehicle lighting systems, contributing to both safety and aesthetic improvements in automotive design.

Collaborations

He has collaborated with notable colleagues such as Hisayoshi Daicho and Masanobu Mizuno, further enhancing the impact of his inventions through teamwork and shared expertise.

Conclusion

Bonggoo Yun's contributions to the field of white light emitting devices exemplify the innovative spirit of modern inventors. His patent for a white light emitting device showcases his commitment to advancing technology in vehicle lighting.