Yeishin Tung

Title: Exploring Innovations by Inventor Yeishin Tung

Introduction

Inventor Yeishin Tung, based in San Jose, CA, has made substantial contributions to the field of organic light-emitting diodes (OLED) technology. With a total of six patents to his name, Yeishin has demonstrated his commitment to advancing innovation in the semiconductor industry, specifically through his cutting-edge research and inventions.

Latest Patents

Among Yeishin Tung’s latest patents is an advanced system for the in-line monitoring of OLED layer thickness and dopant concentration. This organic light-emitting diode deposition system incorporates two deposition chambers with a transfer chamber in between. A sophisticated metrology system equipped with sensors performs critical measurements of the workpiece during transfer, while maintaining a vacuum environment. The control system is orchestrated to facilitate the formation of an organic light-emitting diode layer stack on the workpiece by directing the deposition of two organic material layers.

Another noteworthy patent involves the use of digital holography for alignment in layer deposition. This innovative OLED deposition system includes a workpiece transport system that positions the workpiece under vacuum, a deposition chamber for applying a layer of organic material, and a metrology system equipped with a digital holographic microscope. This setup not only measures the thickness profile of the deposited layer but also allows the control system to fine-tune the processing of subsequent workpieces based on these measurements.

Career Highlights

Yeishin Tung’s professional journey includes significant tenures at leading companies such as Applied Materials, Inc. and KLA-Tencor Technologies Corporation. His work in these prestigious organizations has underpinned many of the innovations that have propelled the OLED industry forward.

Collaborations

Throughout his career, Yeishin has collaborated with notable professionals in the field, including Byung Sung Kwak and Robert Jan Visser. These partnerships have fostered a collaborative environment that emphasizes shared expertise in the ongoing quest for technological advancement.

Conclusion

Yeishin Tung's innovative patents and career achievements solidify his position as a prominent inventor in the OLED technology arena. His commitment to improving manufacturing processes through advanced monitoring and deposition techniques continues to inspire future developments in the field.