Location History:
- Akita, JP (1999)
- Chappaqua, NY (US) (2005)
- Bedford Hills, NY (US) (2001 - 2006)
Company Filing History:
5 out of 161 
1 out of 1 
1 out of 832,843 Years Active: 1999-2006
Title: Innovations of Inventor Zhan He
Introduction
Zhan He is a notable inventor based in Bedford Hills, NY (US), recognized for his contributions to the field of liquid crystal displays (LCDs). He holds a total of 7 patents, showcasing his innovative spirit and technical expertise.
Latest Patents
One of Zhan He's latest patents is for backlight units for liquid crystal displays. This invention features a novel backlight that includes an organic electroluminescent (EOL) device and a cholesteric liquid crystal (CLC) polarizing device. The backlight provides high efficiency and brightness for LCDs, enabling the production of ultra-thin and lightweight displays. Another significant patent is for a variable optical attenuator based on electrically switchable cholesteric liquid crystal reflective polarizers. This technology allows for the reflectivity of the variable optical attenuators (VOAs) to be electrically adjusted between 0% to 100%, with the reflective bandwidth easily modifiable. The VOA consists of a pair of switchable CLC polarizers and a driver, which can switch the polarizers from reflective mirrors to transparent sheets, allowing light to pass through.
Career Highlights
Throughout his career, Zhan He has worked with various companies, including Reveo, Inc. His innovative work has significantly impacted the development of advanced display technologies.
Collaborations
Zhan He has collaborated with notable individuals in his field, including Sadeg Mustafa Faris and Susumu Sato.
Conclusion
Zhan He's contributions to the field of liquid crystal displays and optical technologies highlight his role as a leading inventor. His patents reflect a commitment to innovation and advancement in display technology.