Bum Sik Kim

Title: Innovations of Bum Sik Kim

Introduction

Bum Sik Kim is a notable inventor based in Suwon, South Korea. He has made significant contributions to the field of image sensor technology, holding a total of 4 patents. His work focuses on enhancing the performance and efficiency of CMOS image sensors.

Latest Patents

One of his latest patents is a CMOS image sensor that includes a photo-transistor capable of performing photo-sensing and active amplification. This innovative design aims to improve low illustration characteristics while maintaining existing pixel operation. Additionally, the CMOS image sensor features a reset transistor connected to the photo-transistor, which performs a reset function, a drive transistor acting as a source follower buffer amplifier in response to an output signal from the photo-transistor, and a switching transistor connected to the drive transistor for addressing functions. Another significant patent is for a CMOS image sensor and a method for manufacturing the same, which improves signal efficiency by reducing dark signals. This invention includes a substrate with a first conductive type comprising an image area and a circuit area, a STI isolation layer for electrical isolation within the circuit area, and a field oxide for electrical isolation within the image area.

Career Highlights

Bum Sik Kim has worked with Dongbu Electronics, a prominent company in the electronics sector. His experience in this company has contributed to his expertise in developing advanced technologies in image sensors.

Collaborations

He has collaborated with Chang Hun Han, further enhancing his innovative projects and contributions to the field.

Conclusion

Bum Sik Kim's work in the development of CMOS image sensors showcases his dedication to innovation and technology. His patents reflect a commitment to improving image sensor performance, making significant strides in the industry.