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Related Concept Videos

Determination of Crystal Structures01:29

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...

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Related Experiment Video

Updated: Jun 17, 2026

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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Published on: February 27, 2019

Electronically scanned analog liquid crystal displays.

R A Soref

    Applied Optics
    |January 16, 2010
    PubMed
    Summary

    A novel analog display technique uses electronic control of liquid crystal layers for continuously variable patterns. This low-power technology enables dynamic pattern manipulation in display panels.

    Area of Science:

    • Materials Science
    • Electrical Engineering
    • Display Technology

    Background:

    • Traditional display panels often have limitations in pattern flexibility and power consumption.
    • Continuous electronic control over display pattern size, shape, and location is a significant challenge.

    Purpose of the Study:

    • To demonstrate a new analog display technique for liquid crystal display (LCD) panels.
    • To showcase the capability of continuous pattern modification with low power electronic control.

    Main Methods:

    • The technique involves a thin liquid crystal layer between high-resistance transparent electrodes.
    • Transverse voltage gradients are applied to the electrodes to actuate the display.
    • The system is compatible with both dynamic scattering and quiescent scattering liquid crystal modes.

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    Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
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    Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
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    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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    Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
    06:26

    Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets

    Published on: May 15, 2017

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    07:56

    Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

    Published on: September 20, 2017

    Main Results:

    • Experimental results are presented for three prototype analog displays.
    • Prototypes include a voltmeter, a flying spot scanner, and a null indicator, demonstrating practical applications.
    • The technique allows for continuous adjustment of pattern size, shape, and location.

    Conclusions:

    • The demonstrated analog display technique offers a flexible and low-power solution for manipulating display patterns.
    • This technology has potential applications in various analog display devices requiring dynamic pattern control.