Kyung Hoae Koo

Title: Innovations by Kyung Hoae Koo

Introduction

Kyung Hoae Koo is a notable inventor based in San Jose, CA, who has made significant contributions to display technology. With a total of 5 patents to his name, Koo's work focuses on enhancing the performance and longevity of display systems.

Latest Patents

One of Koo's latest patents is for a display with an optical sensor for brightness compensation. This innovation addresses the aging effects of pixels, particularly in light-emitting diode displays. The compensation circuitry helps mitigate visible artifacts caused by burn-in by using an optical sensor to measure pixel brightness levels directly. This sensor gathers data during burn-in testing operations, allowing for adjustments that compensate for brightness differences between high-usage and low-usage pixels.

Another significant patent involves electronic devices that feature displays with compensation for oxide transistor threshold voltage. This technology utilizes an array of organic light-emitting diode display pixels, where a semiconducting-oxide transistor is employed to reduce leakage during low-refresh-rate operations. The system includes sensing circuitry that compares actual display current to expected values, enabling real-time adjustments to maintain optimal display performance.

Career Highlights

Kyung Hoae Koo is currently employed at Apple Inc., where he continues to innovate in the field of display technology. His work has been instrumental in developing advanced display systems that enhance user experience and device longevity.

Collaborations

Koo collaborates with talented colleagues, including Michael H Lim and Weijun Yao, who contribute to the innovative environment at Apple Inc. Their combined expertise fosters a culture of creativity and technological advancement.

Conclusion

Kyung Hoae Koo's contributions to display technology through his patents reflect his commitment to innovation and excellence. His work not only enhances the functionality of electronic devices but also sets new standards in the industry.