Company Filing History:
Years Active: 2019
Title: Innovations of Cho Hui Kim in White Light Emitting Devices
Introduction
Cho Hui Kim is an accomplished inventor based in Hwaseong-si, South Korea. He has made significant contributions to the field of lighting technology, particularly in the development of white light emitting devices. With a total of 2 patents to his name, his work has garnered attention for its innovative approach to light emission.
Latest Patents
Cho Hui Kim's latest patents focus on advanced white light emitting devices. One of his notable inventions includes a device that comprises a substrate, a first light emitting diode that emits blue light with a peak intensity between 445 nm and 455 nm, and a second light emitting diode that emits blue light with a peak intensity between 465 nm and 495 nm. This device also features a wavelength conversion unit that transforms portions of the emitted blue light into white light. The conversion unit utilizes specific materials to emit light at wavelengths of 520 nm to 560 nm and 600 nm to 645 nm, creating a harmonious blend of colors.
Another patent describes a white light emitting device that utilizes a blue light emitting diode and multiple wavelength conversion materials. These materials convert the blue light into various wavelengths, resulting in emitted white light that meets specific standards set by the Illuminating Engineering Society. The emitted light is characterized by a Fidelity Index (R) ranging from 78 to 89 and a color difference that adheres to the International Commission on Illumination standards.
Career Highlights
Cho Hui Kim is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in the field of lighting technology. His work has not only advanced the capabilities of white light emitting devices but has also contributed to the overall improvement of energy-efficient lighting solutions.
Collaborations
Throughout his career, Cho Hui Kim has collaborated with talented individuals such as Jeong Eun Yun and Sung Woo Choi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Cho Hui Kim's contributions to the field of white light emitting devices exemplify the spirit of innovation. His patents reflect a commitment to advancing lighting technology, making significant strides in energy efficiency and color quality. His work at Samsung Electronics Co., Ltd. continues to influence the future of lighting solutions.