Company Filing History:
Years Active: 2003-2014
Title: Tetsuo Shibanuma: Innovator in Organic Electroluminescence Technology
Introduction
Tetsuo Shibanuma is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of organic electroluminescence devices, holding a total of 8 patents. His work has been instrumental in advancing technology in this area, particularly through his innovative designs and applications.
Latest Patents
One of Shibanuma's latest patents is for an organic electroluminescence device. This device includes a lower electrode disposed on a substrate, an organic layer with at least a light emission layer above the lower electrode, and an upper electrode featuring a transparent conductive film. Notably, the device incorporates an electron injecting layer between the organic layer and the upper electrode. This layer consists of a buffer layer made from an insulative material and a mixed layer that combines an organic material with electron transporting properties and a metal material with electron injecting properties.
Another significant patent involves a light emitting device, surface light source device, and image display device. This invention features multiple light emitting diodes, sealing resins, and a lens body shaped like a flat plate to guide light. The lens body extends over the surface of each sealing resin and includes several lens parts and light guiding parts that reflect light through their inner surfaces. The integration of these components allows for enhanced functionality and efficiency in light emission.
Career Highlights
Tetsuo Shibanuma is currently employed at Sony Corporation, where he continues to innovate and develop new technologies. His work at Sony has allowed him to collaborate with other talented individuals in the field, further enhancing his contributions to organic electroluminescence.
Collaborations
Shibanuma has worked alongside notable colleagues such as Yasunori Kijima and Shinichiro Tamura. Their collaborative efforts have led to advancements in the technology and applications of organic electroluminescence devices.
Conclusion
Tetsuo Shibanuma's contributions to the field of organic electroluminescence are noteworthy and impactful. His innovative patents and collaborations at Sony Corporation highlight his role as a leading inventor in this technology. His work continues to influence advancements in light-emitting devices and related applications.