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Angle-insensitive color sensor

A color sensor and sensitive technology, applied in the field of sensing and display, can solve the problems of complex implementation, limited sensor viewing angle, limited use range of filters, etc., and achieve the effect of wide color response, insensitivity to angle, and convenient implementation.

Pending Publication Date: 2022-05-27
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sensor has many advantages, but there are still some essential deficiencies: 1) The sensor cannot visually respond directly to changes in the external environment; 2) The viewing angle of the sensor is limited, and the implementation is complicated, which limits the use of optical filters scope

Method used

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Embodiment Construction

[0020] An angle-insensitive color sensor of the present invention will be described in more detail below with reference to schematic diagrams, which represent preferred embodiments of the present invention. It should be understood that those skilled in the art can modify the present invention described herein and still implement the present invention. Therefore, the following description should be construed as widely known to those skilled in the art, rather than as a limitation of the present invention.

[0021] In the description of the present invention, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise" ” and the like indicating the orientation and positional relationship are based on the orientation or positional relationship shown in the ac...

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Abstract

The invention discloses an angle-insensitive color sensor, the color sensor adopts a two-dimensionally distributed silver nanodisk array structure on a silicon dioxide substrate, the color sensor can output different colors according to different surrounding environments, and due to weak coupling localized surface plasmon resonance excited in a metal nanodisk, the color sensor can output different colors according to different surrounding environments. The color sensor provided by the invention provides a 45-degree high angle tolerance and has wide color response to different surrounding environments, and the method provided by the invention has good application prospects in sensing, anti-counterfeiting and dynamic display technologies.

Description

technical field [0001] The invention relates to the field of sensing and display, in particular to an angle-insensitive color sensor. Background technique [0002] Color sensors have a wide range of applications, such as sensing, anti-counterfeiting and other research fields, which can produce different color responses to different external environments. By using suitable materials in optical resonance systems, structural color filters can be designed to visually respond to different external environmental changes. However, due to the color response of the color sensor to changes in the external environment, the color response generated at different viewing angles is very different, which seriously restricts the research and use of color sensors. Further research and use are very important. [0003] There is a sensor in the prior art, the Chinese invention patent "Refractive Index Sensor Based on Metal Nanogap Surface Plasmon Intrinsic Radiation", patent number: ZL20211072...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/46G01N21/25G01N21/552C23C14/30C23C14/14C23C14/58
CPCG01J3/46G01N21/251G01N21/554C23C14/30C23C14/14C23C14/5873Y02P70/50
Inventor 王琦高旭峰张大伟张世杰罗娜洪瑞金
Owner UNIV OF SHANGHAI FOR SCI & TECH
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