This inventor holds 9 USPTO granted patents. Top assignee: Alps Electric Co., Ltd.. Active years: 1986-2008.
Location History:
- Furukawa, JP (1986 - 1991)
- Fukushima-ken, JP (1998 - 2008)
Company Filing History:
Years Active: 1986-2008
Title: Takehiko Sone: Innovator in Liquid Crystal Display Technology
Introduction
Takehiko Sone is a prominent inventor based in Fukushima, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology. With a total of 9 patents to his name, Sone has been instrumental in advancing the capabilities of display devices.
Latest Patents
Among his latest innovations are two notable patents related to transflective films and liquid crystal display devices. The first patent describes a transflective film that is applied to either the inner or outer side of an LCD panel. This film features minute concave or convex portions on its surface, along with a series of apertures that allow light from an illumination device to pass through to the pixel regions. The arrangement of these apertures is designed to enhance the display's resolution.
The second patent focuses on a transflective liquid-crystal display device. This device utilizes a liquid crystal layer composed of a positive dielectric anisotropy composition, which is sandwiched between two transparent substrates. The liquid crystal is twisted between 220 to 260 degrees, optimizing its performance. Additionally, the device includes an optical compensating plate and a polarizer, with a transflector that has a high-reflectivity film featuring fine apertures. This design aims to control the reflected luminance characteristics effectively.
Career Highlights
Takehiko Sone is currently employed at Alps Electric Co., Ltd., where he continues to innovate in the field of display technology. His work has significantly impacted the development of advanced LCDs, making them more efficient and effective for various applications.
Collaborations
Sone has collaborated with notable colleagues, including Takehiro Takoshima and Manabu Kusano. Their combined expertise has contributed to the successful development of innovative technologies in the display sector.
Conclusion
Takehiko Sone's contributions to liquid crystal display technology exemplify his dedication to innovation. His patents reflect a deep understanding of the complexities involved in display systems, and his work continues to influence the industry positively.