Articles with "high color" as a keyword



Phosphorescent Pt(II) and Pd(II) Complexes for Efficient, High-Color-Quality, and Stable OLEDs.

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Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201601861

Abstract: Phosphorescent organic light-emitting diodes (OLEDs) are leading candidates for next-generation displays and solid-state lighting technologies. Much of the academic and commercial pursuits in phosphorescent OLEDs have been dominated by Ir(III) complexes. Over the past decade… read more here.

Keywords: phosphorescent; phosphorescent complexes; complexes efficient; square planar ... See more keywords

A Novel Matrix‐Free Hyperfluorescent System Based on Anti‐Quenching TADF Host for High Color Purity MR‐TADF Emitters

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202409746

Abstract: Organic light‐emitting diodes (OLEDs) based on hyperfluorescent system have attracted widespread attention due to their ability to simultaneously achieve improvements in efficiency, lifetime, and color purity by combining the advantages of high exciton utilization sensitizers… read more here.

Keywords: color purity; high color; hyperfluorescent; tadf ... See more keywords

Omnidirectional Flexible Transmissive Structural Colors with High-Color-Purity and High-Efficiency Exploiting Multicavity Resonances

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Published in 2017 at "Advanced Optical Materials"

DOI: 10.1002/adom.201700284

Abstract: This study demonstrates flexible structural color filters that create angle-insensitive transmissive colors with capabilities of retaining high-color-purity and simultaneously high-efficiency, based on multicavity resonances. Optimized antireflection coatings in a symmetric configuration yield greatly boosted transmission… read more here.

Keywords: high efficiency; color; color purity; high color ... See more keywords

Hybrid White OLEDs with High Electroluminescence Efficiency and High Color Rendering Index Achieved by a Sandwich Interlayer Sensitizing Configuration

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202400596

Abstract: White organic light‐emitting devices (WOLEDs) exhibit promising applications as white illumination and background light, but achieving high efficiencies, and high color quality for the WOLEDs still remains difficult. Herein, to enhance exciton utilization and improve… read more here.

Keywords: layer; configuration; interlayer; high color ... See more keywords

Regulating photoluminescence behavior by neighboring-cation-size in Sr8CaX(PO4)7: Eu2+ (X = Al and Ga) phosphors for high color rendering solid-state lighting source

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.131869

Abstract: Abstract The photoluminescence behavior in a multiple cation lattice host for obtaining desired spectral emission is an important scientific question to develop next-generation high quality lighting sources. However, how to manipulate the distribution of rare-earth… read more here.

Keywords: cation; neighboring cation; high color; po4 ... See more keywords

Facile non-aqueous synthesis of high color rendering C@ZrSiO4 encapsulation pigment with carbon-containing precursors as in-situ carbon sources

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Published in 2018 at "Ceramics International"

DOI: 10.1016/j.ceramint.2018.06.067

Abstract: Abstract A zircon encapsulated carbon black (C@ZrSiO 4 ) pigment with high color rendering was synthesized via facile non-aqueous acetic acid (NAA) assisted sol-gel method using carbon-containing precursors (zirconium n -propoxide and tetraethoxysilane) as in-situ… read more here.

Keywords: carbon; color rendering; carbon containing; high color ... See more keywords
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Low cost, high color rendition, CCT variable lighting system based on W-G-B LED

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Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.166321

Abstract: Abstract This article proposes a novel approach of tunable correlated color temperature (CCT) lighting system with high color rendition using three component color mixing concept. Using Grassmann’s color mixing theory, phosphor coated warm white LED… read more here.

Keywords: system; cct; color; color rendition ... See more keywords
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Mining Unexplored Chemistries for Phosphors for High-Color-Quality White-Light-Emitting Diodes

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Published in 2018 at "Joule"

DOI: 10.1016/j.joule.2018.01.015

Abstract: Summary There is a critical need for new earth-abundant phosphors to enable next-generation, highly efficient solid-state lighting. Here we report the discovery of Sr 2 LiAlO 4 , the first known Sr-Li-Al-O quaternary crystal, via… read more here.

Keywords: mining unexplored; color; color quality; high color ... See more keywords
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Plasmonic enhancement of metamaterial nanograting with high color purity and wide color gamut characteristics

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Published in 2022 at "Optics Communications"

DOI: 10.1016/j.optcom.2021.127575

Abstract: Abstract We propose two designs of plasmonic enhancement using metamaterial nanograting (MNG) for color filters. MNGs are composed of metal–insulator–metal and metal-air–metal layers denoted as MNG-1 and MNG-2, respectively. MNGs exhibit polarization-dependent, high color purity,… read more here.

Keywords: purity wide; color gamut; color; wide color ... See more keywords
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High performance non-doped blue-hazard-free hybrid white organic light-emitting diodes with stable high color rendering index and low efficiency roll-off

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Published in 2020 at "Optical Materials"

DOI: 10.1016/j.optmat.2020.109991

Abstract: Abstract White organic light-emitting diodes (WOLEDs), for display and lighting applications, combine features such as high performance, high color quality, low efficiency roll-off and blue-hazard-free are extremely important. In this study, we manufactured a highly… read more here.

Keywords: efficiency roll; efficiency; blue hazard; high color ... See more keywords

Hybrid Organic–Inorganic Halides (C5H7N2)2MBr4 (M = Hg, Zn) with High Color Rendering Index and High-Efficiency White-Light Emission

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Published in 2019 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.9b00537

Abstract: Low-dimensional hybrid organic–inorganic materials (HOIMs) are being widely investigated for their unique optoelectronic properties. Some of them exhibit broadband white-light (WL) luminescence upon UV excitation, providing a potential for the fabrication of single-component white-light-emitting diodes.… read more here.

Keywords: hybrid organic; white light; emission; color ... See more keywords