Company Filing History:
Years Active: 2012-2013
Title: **Atsuko Kamada: Innovator of Color Filter Technologies**
Introduction
Atsuko Kamada is a notable inventor based in Tokyo, Japan, known for her contributions to the field of color filter technologies. With two registered patents to her name, Kamada continues to make significant advancements in display technologies, particularly for liquid crystal displays.
Latest Patents
Kamada's latest inventions include a color filter and photomask, designed for use in the manufacturing process of color filters. The first patent describes a unique color filter that comprises a first photo-spacer and a second photo-spacer, which has a smaller film thickness. The design of the second photo-spacer features a cross-sectional configuration where the longitudinal width exceeds the lateral width, enhancing the functionality of the component. The photomask used for creating these photo-spacers includes distinct aperture patterns tailored for each spacer, where the lateral width of the second aperture pattern is specifically maintained within the range of 2.0-10.0 micrometers, ensuring a predetermined ratio of lateral to longitudinal widths.
In her second patent, Kamada focuses on a liquid crystal display device which utilizes an LED backlight. This device is complemented by a color filter that contains several colored layers, including an innovative green layer made from brominated zinc phthalocyanine green pigment. A standout feature of this green layer is that its dielectric loss tangent at the operating frequency of the device is confined to not more than 0.02, which is a significant technical achievement in ensuring display efficiency and quality.
Career Highlights
Atsuko Kamada is associated with Toppan Printing Co., Ltd., where her work centers on improving display technology through innovative solutions. Her technical expertise and patented inventions position her as a key contributor to advancements in the field, particularly within the liquid crystal display sector.
Collaborations
Throughout her career, Kamada has collaborated with other talented professionals, including Ryuji Kawamoto and Junichi Shiraishi. These partnerships reflect a collaborative spirit and the importance of teamwork in driving innovation forward.
Conclusion
Atsuko Kamada's impressive track record of patents and her work at Toppan Printing Co., Ltd. underscore her role as an influential inventor in the realm of color filter technologies. Her dedication and innovative spirit continue to impact the field, paving the way for future advancements in display technologies.