18677581. OPTICAL ELEMENT AND OPTICAL SENSOR simplified abstract (FUJIFILM Corporation)
Contents
OPTICAL ELEMENT AND OPTICAL SENSOR
Organization Name
Inventor(s)
Yukito Saitoh of Minamiashigara-shi (JP)
Kazuya Hisanaga of Minamiashigara-shi (JP)
Yujiro Yanai of Minamiashigara-shi (JP)
OPTICAL ELEMENT AND OPTICAL SENSOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 18677581 titled 'OPTICAL ELEMENT AND OPTICAL SENSOR
Simplified Explanation: The patent application describes an optical element that reflects light in a specific wavelength range using a guided-mode resonance phenomenon of a liquid crystal diffraction element, narrowing the reflection wavelength range.
- The optical element includes a liquid crystal layer with a unique alignment pattern that changes the direction of the optical axis continuously while rotating.
- The liquid crystal layer is formed by immobilizing a cholesteric liquid crystalline phase and has a resonance structure.
Key Features and Innovation:
- Utilizes guided-mode resonance phenomenon of a liquid crystal diffraction element.
- Narrowing of reflection wavelength range.
- Liquid crystal layer with a unique alignment pattern.
- Immobilization of cholesteric liquid crystalline phase.
- Presence of a resonance structure.
Potential Applications: The technology can be used in:
- Optical sensors
- Spectroscopy
- Display technologies
- Optical filters
Problems Solved:
- Narrowing of reflection wavelength range
- Enhanced light reflection efficiency
- Precise control of reflected light
Benefits:
- Improved optical performance
- Enhanced sensitivity in optical sensors
- Increased efficiency in display technologies
Commercial Applications: The technology can be applied in various industries such as:
- Consumer electronics
- Healthcare
- Aerospace
- Automotive
Prior Art: Prior research on liquid crystal diffraction elements and guided-mode resonance phenomena in optics can provide valuable insights into the development of this technology.
Frequently Updated Research: Stay updated on advancements in liquid crystal technologies, guided-mode resonance phenomena, and optical sensor applications for potential improvements in this technology.
Questions about Optical Elements: 1. How does the unique alignment pattern in the liquid crystal layer contribute to the narrowing of the reflection wavelength range? 2. What are the potential challenges in scaling up this technology for commercial applications?
Original Abstract Submitted
An object of the present invention is to provide an optical element that reflects light in a specific wavelength range by a guided-mode resonance phenomenon of a liquid crystal diffraction element and can narrow a reflection wavelength range, and an optical sensor including the optical element. The optical element according to the embodiment of the present invention is an optical element including a liquid crystal layer that is formed of a composition including a liquid crystal compound, in which the liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating toward at least one in-plane direction, the liquid crystal layer is formed by immobilizing a cholesteric liquid crystalline phase, and the liquid crystal layer further has a resonance structure.
