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Polarizer with wire pair over rib

A wire grid polarizer, a pair of technology, applied to the field of wire grid polarizers, can solve problems such as damage to thin wires

Inactive Publication Date: 2016-06-15
MOXTEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Fine wires can be damaged by handling and environmental conditions

Method used

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  • Polarizer with wire pair over rib
  • Polarizer with wire pair over rib
  • Polarizer with wire pair over rib

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Experimental program
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Embodiment Construction

[0080] definition

[0081] Many materials used in optical structures absorb some light, reflect some light, and transmit some light. The following definitions are intended to distinguish between predominantly absorptive, predominantly reflective, or predominantly transmissive materials or structures.

[0082] 1. As used herein, the term "absorptive" means substantially absorbing light of the relevant wavelength.

[0083] a. Whether a material is "absorptive" is relative to other materials used in the polarizer. Thus, an absorbing structure will absorb significantly more than a reflective or transmissive structure.

[0084] b. Whether a material is "absorptive" depends on the relevant wavelength. A material can be absorbing in one wavelength range but not in another.

[0085] c. In one aspect, the absorptive structure absorbs more than 40% and reflects less than 60% of light of the relevant wavelength (assuming the absorptive structure is an optically thick film - ie greate...

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PUM

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Abstract

The present invention relates to wire grid polarizers (10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110) and methods of making wire grid polarizers comprising a substrate ( An array of parallel, elongated nanostructures (15) on the surface of 11). Each nanostructure may include a first rib (14) disposed over the surface of the substrate and a pair of parallel, elongated wires (12), each wire oriented transversely with respect to each other and disposed over the first rib. The wire grid polarizers can be durable, have high transmission of one polarization of light, high contrast, and / or small pitch. The wire grid polarizer may also have high absorption or high reflection of the opposite polarization of light.

Description

technical field [0001] This application generally relates to wire grid polarizers. Background technique [0002] Wire grid polarizers can be used to polarize light by allowing one polarization of light to pass through the polarizer and reflecting or absorbing the opposite polarization of light. For simplicity, the polarization that mainly passes through the polarizer will hereinafter be referred to as p-polarized light and the polarization that is mainly reflected or absorbed will hereinafter be referred to as s-polarized light. The goals of wire grid polarizer design include increasing the transmission of p-polarized light, reducing the transmission of s-polarized light, and increasing the reflection or absorption of s-polarized light. Different applications have different needs. [0003] The goal of increasing the transmission of p-polarized light and reducing the transmission of s-polarized light is common to most or all applications. There will be trade-offs between t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/28
CPCG02B5/3058C23F17/00G02B1/08G02B1/12
Inventor B·王T·旺根斯滕R·彼得罗娃M·布莱克S·马克思D·普罗布斯特M·A·戴维斯
Owner MOXTEK INC