Location History:
- Koka, JP (2013)
- Tokyo, JP (2016)
Company Filing History:
2 out of 47 
1 out of 9 Years Active: 2013-2016
Title: Yasuki Kawashima: Innovator in Organic EL Technology
Introduction
Yasuki Kawashima is a notable inventor based in Koka, Japan, recognized for his contributions to organic electroluminescent (EL) technology. With a total of two patents to his name, Kawashima has made significant advancements in the field of organic light-emitting devices.
Latest Patents
Kawashima's latest patents include an innovative organic EL luminescent device. This device features organic EL panels that are no smaller than two, including a light-transmitting organic EL panel. The light-transmitting organic EL panel is equipped with a first electrode formed on a transparent substrate, which possesses optical transparency. Additionally, it includes an organic layer with a light-emitting layer and a second electrode that also has optical transparency. The design incorporates a support structure to maintain the organic EL panels in an overlapping arrangement.
Another significant patent is for an organic EL light-emitting device and its manufacturing method. This invention addresses the issue of brightness unevenness caused by the resistance of a transparent electrode in large surface light-emitting panels. The device consists of an element formation substrate where an organic EL element, including an organic light-emitting layer, is stacked. A sealing substrate is used to enclose the organic EL element, with a sealing portion made of adhesive at the peripheral edge. A grease or gel layer containing an oligomer or polymer with organosiloxane bonds or fluorinated polyether is included to enhance adhesion between the substrates.
Career Highlights
Throughout his career, Kawashima has worked with prominent organizations such as NEC Lighting, Ltd. and the Yamagata Promotional Organization for Industrial Technology. His experience in these companies has contributed to his expertise in the field of organic EL technology.
Collaborations
Kawashima has collaborated with notable colleagues, including Joji Suzuki and Fujio Kajikawa, who have also made significant contributions to the field.
Conclusion
Yasuki Kawashima's innovative work in organic EL technology has led to advancements that enhance the performance and efficiency of light-emitting devices. His patents reflect a commitment to improving technology in this dynamic field.