This inventor holds 1 USPTO granted patent. Top assignee: National Taiwan University. Active years: 2013.
Company Filing History:
Years Active: 2013
Title: Innovations of Tzu-Chieh Cheng in White Light Sources
Introduction
Tzu-Chieh Cheng is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of optical technology, particularly in the development of advanced white light sources. His innovative work focuses on enhancing color temperature tuning, which has important applications in various lighting technologies.
Latest Patents
Tzu-Chieh Cheng holds a patent for a "White light source with crystal fiber and method for color temperature tuning thereof." This invention relates to a white light source that utilizes a pumping source to provide a first-color light. The design incorporates a gradient index lens that couples the first-color light into a crystal fiber. The crystal fiber absorbs part of the first-color light, generating additional colors and resulting in a white light with a high color rendering index. The unique composition of the crystal fiber includes co-doped yttrium aluminum garnet with rare earth element oxides, allowing for adjustable color temperature by modifying the focus position of the pumping light.
Career Highlights
Tzu-Chieh Cheng is affiliated with National Taiwan University, where he continues to engage in research and development in optical technologies. His work has garnered attention for its innovative approach to improving lighting solutions.
Collaborations
He has collaborated with notable colleagues, including Yen-Sheng Lin and Chien-Chung Tsai, contributing to advancements in their respective fields.
Conclusion
Tzu-Chieh Cheng's contributions to the development of white light sources demonstrate his innovative spirit and commitment to advancing optical technology. His patent reflects a significant step forward in the ability to tune color temperature, which can enhance various applications in lighting.