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Liquid lenses and liquid lens articles with low reflectivity electrode structures

A liquid lens, reflectivity technology, applied in the direction of lens, instrument, optics, etc., can solve problems such as air tightness combination problems

Pending Publication Date: 2021-12-21
CORNING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These substrates may be made of glass, glass-ceramic, ceramic, polymers, and other high modulus materials, which create challenges in forming a reliable hermetic bond

Method used

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  • Liquid lenses and liquid lens articles with low reflectivity electrode structures
  • Liquid lenses and liquid lens articles with low reflectivity electrode structures
  • Liquid lenses and liquid lens articles with low reflectivity electrode structures

Examples

Experimental program
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Effect test

Embodiment approach

[0027] As used herein, the term "about" means that amounts, dimensions, formulations, parameters, and other quantities and characteristics are not exact and need not be exact, but may be approximate and / or larger or smaller as required, such as to reflect tolerances, conversions factors, rounding, measurement errors, etc., and other factors known to those skilled in the art. When the term "about" is used to describe a value or an endpoint of a range, the disclosure should be understood to include the specific value or endpoint referred to. Whether or not a range value or endpoint is recited with "about" in the specification, the range value or endpoint is intended to include both embodiments: one modified with "about" and the other unmodified by "about." It should also be understood that the endpoints of each range are important both in relation to the other endpoints and independently of the other endpoints.

[0028] As used herein, the terms "substantially", "substantially"...

Embodiment 1

[0060] In this example, a liquid lens article 100a of the present disclosure was prepared (see Figure 2B ) consistent liquid lens preparation. As described in Table 1 below, the substrate has a glass composition, and the electrodes include the following layers disposed successively on the substrate: a Ni layer (e.g., conductive structure 134a) with a thickness of 80 nm; a Cr layer with a thickness of 15 nm (e.g., internal absorption device layer 234); and CrO with a thickness of 52 nm x N y layer (eg, outer absorber layer 236). This sample configuration is designated "Example 1".

[0061] Table 1 - Cr / ITO / Cr / ITO electrode (Example 1)

[0062] Material

thickness

glass substrate Ni film 80nm Cr film 15nm CrO x N y membrane

52nm Air N / A

[0063] now refer to Figures 3A-3C and 4A-4C, which are fabricated with comparative Cr / CrO x N y Electrode structure (comparative example 1) and Ni / Cr / CrO x N y electrodes...

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Abstract

A liquid lens article that includes: a first substrate; and an electrode disposed on a primary surface of the first substrate. The electrode comprises an electrically conductive structure disposed on the primary surface of the first substrate and an optical absorber structure disposed on the electrically conductive structure. The electrode comprises a reflectivity minimum of about 3% or less at a visible wavelength within a range of 390 nm to 700 nm, and a reflectivity of about 25% or less at an ultraviolet wavelength within a range of 100 nm to 400 nm. Further, the absorber structure comprises an absorber layer comprising a metal oxynitride and the electrically conductive structure comprises a metal layer comprising a metal that differs from the metal of the absorber layer of the absorber structure. In addition, the electrode can comprise a sheet resistance from about 5 ohm / sq to about 0.5 ohm / sq.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority under 35 U.S.C. §119 to U.S. Provisional Application No. 62 / 847,093, filed May 13, 2019, the contents of which are incorporated herein by reference in their entirety. technical field [0003] The present disclosure relates to liquid lenses and liquid lens articles having low reflectivity electrode structures, and more particularly to such liquid lenses and articles having electrode structures suitable for laser bonding process steps. Background technique [0004] Liquid lenses generally include two immiscible liquids disposed in a chamber. Changing the electric field applied to the liquids changes the wettability of one of the liquids relative to the chamber walls, which has the effect of changing the shape of the meniscus formed between the two liquids. Additionally, changes in the shape of the meniscus can cause controlled changes in the focal length of the lens in va...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/00G02B3/14
CPCG02B26/005G02B3/14
Inventor R·A·贝尔曼R·M·卡兰M·B·欧瑞甘S·帕拉卡施
Owner CORNING INC
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