[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Yin et al., 2015 - Google Patents

The thermal stability performances of the color rendering index of white light emitting diodes with the red quantum dots encapsulation

Yin et al., 2015

Document ID
11521927016882059410
Author
Yin L
Bai Y
Zhou J
Cao J
Sun X
Zhang J
Publication year
Publication venue
Optical Materials

External Links

Snippet

Red phosphors are the traditional material used to improve the color rendering index (CRI) of white light emitting diode (WLEDs). In this paper, red quantum dots (QDs) were fabricated and coated on the blue LED chip to replace the red phosphors. By comparing the thermal …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • H01L33/504—Elements with two or more wavelength conversion materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—INDEXING SCHEME RELATING TO CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. INCLUDING HOUSING AND APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies
    • Y02B20/16—Gas discharge lamps, e.g. fluorescent lamps, high intensity discharge lamps [HID] or molecular radiators
    • Y02B20/18—Low pressure and fluorescent lamps
    • Y02B20/181—Fluorescent powders
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals comprising europium
    • C09K11/7734—Aluminates; Silicates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source

Similar Documents

Publication Publication Date Title
Cui et al. The use of carbon quantum dots as fluorescent materials in white LEDs
Yin et al. The thermal stability performances of the color rendering index of white light emitting diodes with the red quantum dots encapsulation
Aboulaich et al. Ce-doped YAG nanophosphor and red emitting CuInS2/ZnS core/shell quantum dots for warm white light-emitting diode with high color rendering index
Tang et al. Enhancement of luminous efficiency and uniformity of CCT for quantum dot-converted LEDs by incorporating with ZnO nanoparticles
Li et al. Facile plasma-induced fabrication of fluorescent carbon dots toward high-performance white LEDs
Di et al. Stable and brightly luminescent all-inorganic cesium lead halide perovskite quantum dots coated with mesoporous silica for warm WLED
Zhao et al. Doped quantum dot@ silica nanocomposites for white light-emitting diodes
He et al. Sm3+-activated gadolinium molybdate: an intense red-emitting phosphor for solid-state lighting based on InGaN LEDs
Song et al. Design of long-term stable red-emitting CsPb (Br0. 4, I0. 6) 3 perovskite quantum dot film for generation of warm white light
Li et al. Investigation of the emission spectral properties of carbon dots in packaged LEDs using TiO2 nanoparticles
Li et al. White light emitting device based on single-phase CdS quantum dots
Yu et al. Synthesis of Eu2+/Eu3+ Co-Doped Gallium oxide nanocrystals as a full colour converter for white light emitting diodes
Wang et al. The potential red emitting Gd2− yEuy (WO4) 3− x (MoO4) x phosphors for UV InGaN-based light-emitting diode
Wu et al. Improved photoluminescence properties of a new green SrB2O4: Tb3+ phosphor by charge compensation
Lin et al. White-light-emitting diodes using GaN-excited CdSe/CdS/ZnS quantum dots
Yang et al. Photometric optimization of color temperature tunable quantum dots converted white LEDs for excellent color rendition
Cai et al. Phosphor geometry regulations with separated red and green quantum dot layers for high performance warm white light-emitting diodes
Jang et al. Effect of Particle Size on the Optical Properties of Yellow Silicate Phosphor in Light‐Emitting Diodes
KR20150085594A (en) Quantum dot embedded silica, Luminescent film comprising the silica, white lighting emitting diode and method for producing the WLED
Cai et al. Al-doped ZnS shell as a surface shield for enhancing the stability of Cu: ZnInS/ZnS/ZnS: Al quantum dots and their application in light emitting diodes
Chung et al. Hybrid YAG/CdSe quantum dots phosphors for white light-emitting diodes
Yin et al. Solid-state carbon dots-based white light-emitting diodes with ultrahigh color rendering index and good thermal stability
Liu et al. Thermal stable cyan-emitting Ba9 (Lu1. 5Ga0. 5) Si6O24: Ce3+ for high color-rendering white LEDs
Peng Low-cost and high-color-quality white light emitting diodes based on CdSe/ZnS quantum dots
Song et al. Synthesis of Ba2Si3O8: Eu2+ Phosphor for fabrication of white light-emitting diodes assisted by ZnCdSe/ZnSe quantum dot