Yoshihisa Tsuruoka

Title: **An Insight into the Innovations of Yoshihisa Tsuruoka**

Introduction:

Yoshihisa Tsuruoka, based in Mobara, Japan, is a celebrated inventor with an impressive portfolio of 21 patents. His contributions to the field of technology, particularly in organic electroluminescent (EL) devices, have marked significant advancements in the industry.

Latest Patents:

Among his latest innovations, Tsuruoka developed a **Water-absorbing agent for organic EL device**. This invention revolves around a thin-profile organic EL device designed for high reliability. The device includes a unique configuration where the anode, organic layer, and light transmissible-type cathode are layered on a substrate, alongside an inorganic water-barrier layer.

The innovative aspect lies in the usage of a UV rays-curable type water-capturing agent that replaces traditional adhesive layers. This agent consists of a UV rays-curing agent, acrylic monomers, initiators, and accelerators. By curing this agent and applying UV rays, Tsuruoka ensures that the organic layer remains intact and non-damaged even in the presence of moisture. This method enables mass production of low-profile organic EL devices, along with robust reliability.

Additionally, he worked on a **Water-capturing agent and organic EL device**, which focuses on inhibiting dark spot generation in devices. The water-capturing agent is a compound illustrated by a specified chemical structural formula, where varied substituents and a central metal atom contribute to its functionality in EL applications.

Career Highlights:

Yoshihisa Tsuruoka’s career is marked by significant contributions while working for Futaba Denshi Kogyo K.K. and Futaba Corporation. His work encapsulates the essence of innovation, where he continually pushes the boundaries of technology to improve electronic devices.

Collaborations:

Throughout his career, Tsuruoka has collaborated closely with notable coworkers such as Hisamitsu Takahashi and Satoshi Tanaka. Their collective efforts have played a pivotal role in driving innovation within their projects, spearheading successful advancements in organic EL technology.

Conclusion:

Yoshihisa Tsuruoka stands as a key figure in the realm of patented inventions, particularly in organic EL device technology. His innovative patents and collaborative efforts underline his commitment to enhancing electronic device reliability and performance, thereby contributing immensely to technological progress.