Company Filing History:
Years Active: 2012-2015
Title: The Innovations of Yoriko Nakayama
Introduction
Yoriko Nakayama is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of organic electroluminescent devices. With a total of 3 patents to her name, her work has garnered attention for its innovative approach and practical applications.
Latest Patents
One of her latest patents is a white organic electroluminescent element and lighting device. This invention is characterized by its stability of emission chromaticity over a long operational period, high electrical efficiency, long life, excellent storage stability, and superior color rendering properties. The device features a light-emitting layer between an anode and a cathode, which includes a light-emitting layer A with a maximum emission wavelength of not more than 480 nm and a light-emitting layer B with a maximum emission wavelength of not less than 510 nm. Additionally, the concentration of the phosphorescent dopant in layer A varies in the thickness direction, enhancing its performance. Another notable patent is an organic electroluminescence element that operates with a reduced drive voltage while maintaining emission luminance and high power efficiency. This element includes multiple types of light-emitting dopants with varying emission colors, showcasing her innovative approach to enhancing device efficiency.
Career Highlights
Yoriko Nakayama is currently associated with Konica Minolta Holdings, Inc., where she continues to push the boundaries of technology in her field. Her work has not only advanced the understanding of organic electroluminescent devices but has also paved the way for new applications in lighting technology.
Collaborations
Throughout her career, Nakayama has collaborated with notable colleagues, including Tomoyuki Nakayama and Hiroshi Kashiwagi. These collaborations have contributed to her innovative projects and have fostered a creative environment for technological advancements.
Conclusion
Yoriko Nakayama's contributions to the field of organic electroluminescent devices highlight her role as a leading inventor in Japan. Her innovative patents and collaborations reflect her commitment to advancing technology and improving the efficiency of lighting solutions.