Kai-Der Ker

Title: Innovations of Kai-Der Ker in Electrophotography

Introduction

Kai-Der Ker is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of electrophotography, particularly through his innovative patent related to photoreceptors. His work has implications for improving the efficiency and effectiveness of electrophotographic processes.

Latest Patents

Kai-Der Ker holds a patent for "Infrared sensitive electrophotographic photoreceptors and method for." This patent describes a family of photoreceptors designed for use in electrophotography, which includes a binary charge generation composition of oxytitanium phthalocyanine and copper phthalocyanine. The unique aspect of this invention is that the charge generation composition exhibits adjustable photosensitivity by varying the ratio between oxytitanium phthalocyanine and copper phthalocyanine. To enhance performance, the composition undergoes an ammonia-modified complexation-mediated crystal transformation. The resultant composition is characterized by specific Bragg diffraction angles and absorption maxima in the optical absorption spectrum.

Career Highlights

Kai-Der Ker is associated with Sinonar Corporation, where he applies his expertise in the development of advanced photoreceptor technologies. His innovative approach has led to the creation of a charge generation composition that can be modulated for optimal performance in electrophotography.

Collaborations

Throughout his career, Kai-Der Ker has collaborated with notable colleagues, including Chen-Jen Yang and Kuo-Chu Yeh. These collaborations have contributed to the advancement of technology in the field of electrophotography.

Conclusion

Kai-Der Ker's contributions to electrophotography through his innovative patent demonstrate his commitment to advancing technology in this field. His work continues to influence the development of more efficient photoreceptor technologies.