Tzung-Shiun Yeh

Title: Tzung-Shiun Yeh: Innovator in Light-Emitting Devices

Introduction

Tzung-Shiun Yeh is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of light-emitting devices, holding a total of 11 patents. His innovative work has advanced the technology used in various lighting applications.

Latest Patents

Among his latest patents is a light-emitting device and manufacturing method that features a unique light-emitting package. This package includes a housing with an opening, a lead frame covered by the housing, and a light-emitting device mounted in the opening. The light-emitting device consists of a substrate with a base and protrusions made from different materials. Additionally, the semiconductor stack on the main surface has an obtuse angle between its side wall and the main surface. Another notable patent involves a light-emitting device that includes a substrate with a first and second light-emitting unit, each comprising lower and upper semiconductor portions. This design enhances the efficiency and functionality of light-emitting devices.

Career Highlights

Tzung-Shiun Yeh is currently associated with Epistar Corporation, a leading company in the field of optoelectronics. His work at Epistar has been instrumental in developing advanced lighting technologies that are widely used in various industries.

Collaborations

He has collaborated with notable coworkers, including Chien-Fu Shen and Li-Ming Chang, contributing to the innovative projects at Epistar Corporation.

Conclusion

Tzung-Shiun Yeh's contributions to light-emitting devices have positioned him as a key figure in the field of optoelectronics. His patents reflect a commitment to innovation and excellence in technology.