Inventors with similar research interests:
Location History:
- Taipei, TW (2001 - 2004)
- Pingtung, TW (2003 - 2004)
- Taoyuan, TW (2007)
- Hsinchu County, TW (2011)
- Hsinchu, TW (2002 - 2013)
- Taichung, TW (2013 - 2020)
Company Filing History:
23 out of 45 
22 out of 28 
14 out of 1,222 Years Active: 2001-2020
Areas of Expertise:
Title: Chih-Sung Chang: Innovator in Optoelectronics
Introduction
Chih-Sung Chang is a distinguished inventor based in Hsinchu, Taiwan, with an impressive portfolio of 60 patents. His innovative contributions primarily focus on advancements in optoelectronic devices, which have the potential to enhance various applications in telecommunications, lighting, and display technologies.
Latest Patents
Among his latest patents, the **Surface Emitting Laser Luminescent Diode Structure** stands out. This invention features a unique design where a recess, comprising two tilted slopes, is paired with a trapezoidal cylinder at the bottom of a laser resonant cavity. The reflecting mirror situated along the recess surface minimizes lateral light leakage and reduces the divergence angle. Additionally, a current isolating layer enhances the reflecting mirror's performance and increases the operating speed by limiting current flow direction.
Another notable patent is the **Optoelectronic Semiconductor Device and Fabrication Method Thereof**. This design includes a semiconductor main body with multiple layers that facilitate electromagnetic radiation generation. The incorporation of a zener diode structure creates an efficient electrical connection between electrodes, enhancing functionality by ensuring the electrical dependency of the connection layers.
Career Highlights
Chih-Sung Chang has made significant contributions while working for companies such as United Epitaxy Company, Inc. and High Power Opto, Inc. His expertise in semiconductor technology has paved the way for innovative devices that push the boundaries of optoelectronic applications.
Collaborations
Throughout his career, Chih-Sung has collaborated with esteemed colleagues, including Tzer-Perng Chen and Wei-Yu Yen. Their collective efforts have been instrumental in developing cutting-edge technologies and expanding the scope of optoelectronic research.
Conclusion
Chih-Sung Chang’s extensive patent portfolio and collaborations reflect his commitment to innovation in optoelectronics. His inventive contributions are poised to have a lasting impact on the industry, driving forward advancements that will be beneficial in various technological arenas.