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PI Physik Instrumente - Revolution In Photonics Align ROSLB 3/24

Surface Plasmons Enable Tunable Color Filters

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SINGAPORE, Aug. 30, 2012 — Combining a thin, perforated gold film with a liquid crystal layer makes a tunable, efficient color filter, engineers at A*STAR, the Agency for Science, Technology and Research in Singapore, report. Flat panel displays and many digital devices require thin, efficient and low-cost light emitters. The pixels comprising the various colors on the display are typically wired to complex electronic circuits, but the A*STAR display technology requires a much simpler architecture. "Our color filters are a lot thinner and more compact than conventional thin-film-based color filters," said...Read full article

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    Published: August 2012
    Glossary
    liquid crystal
    Liquid crystals are a state of matter that exhibits properties intermediate between those of conventional liquids and solid crystals. In a liquid crystal, the molecules are ordered like those in a crystal, but they can still flow like a liquid. This unique combination of structural order and fluidity gives liquid crystals their distinctive characteristics and makes them valuable in various technological applications, particularly in display technology. Key features and characteristics of...
    thin film
    A thin layer of a substance deposited on an insulating base in a vacuum by a microelectronic process. Thin films are most commonly used for antireflection, achromatic beamsplitters, color filters, narrow passband filters, semitransparent mirrors, heat control filters, high reflectivity mirrors, polarizers and reflection filters.
    A*STARAdvanced MaterialsAgency for Science Technology and ResearchAsia-PacificBasic Sciencecolor filterConsumerDisplaysflat-panel displaysgold annular aperture arraysgold filmInstitute of Materials Research and EngineeringJing Hua TengLight Sourcesliquid crystalMaterials & ChemicalspixelsResearch & TechnologySingaporesurface plasmonthin filmtunable color filterUV lightvisible light

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