[go: up one dir, main page]

Huu et al., 2022 - Google Patents

Application of green-emitting Sr 3 WO 6: U phosphor to enhance lumen efficiency of WLEDs

Huu et al., 2022

View PDF
Document ID
8478262002898111
Author
Huu P
Phung T
Publication year
Publication venue
Bulletin of Electrical Engineering and Informatics

External Links

Snippet

The article demonstrates a sample of spectrum in the phosphor-covered WLED (abbreviated as p-WLED) containing one blue chip, one red chip along with phosphors of green and yellow colors. We acquired the p-WLEDs' ideal spectrum in the CCTs, which is short for …
Continue reading at beei.org (PDF) (other versions)

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L33/00Semiconductor 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
    • H01L33/48Semiconductor 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
    • H01L33/50Wavelength conversion elements
    • H01L33/501Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502Wavelength conversion materials
    • H01L33/504Elements with two or more wavelength conversion materials
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L33/00Semiconductor 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
    • H01L33/48Semiconductor 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
    • H01L33/50Wavelength conversion elements
    • H01L33/505Wavelength conversion elements characterised by the shape, e.g. plate or foil
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L33/00Semiconductor 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
    • H01L33/48Semiconductor 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
    • H01L33/483Containers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals comprising europium
    • C09K11/7734Aluminates; Silicates
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BINDEXING SCHEME RELATING TO CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. INCLUDING HOUSING AND APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/16Gas discharge lamps, e.g. fluorescent lamps, high intensity discharge lamps [HID] or molecular radiators
    • Y02B20/18Low pressure and fluorescent lamps
    • Y02B20/181Fluorescent powders

Similar Documents

Publication Publication Date Title
KR100950497B1 (en) New phosphor system for white light emitting diodes (LEDs)
US9070843B2 (en) Semiconductor light-emitting device, exhibit-irradiating illumination device, meat-irradiating illumination device, vegetable-irradiating illumination device, fresh fish-irradiating illumination device, general-purpose illumination device, and semiconductor light-emitting system
KR20080058192A (en) Red light emitting nitride fluorescent substance and white light emitting device using the same
US20170047488A1 (en) Light emitting device
KR100911001B1 (en) A novel phosphor for white light-emitting diodes and fabrication of the same
CN108350354A (en) Improved white illumination equipment for being sold illumination
US9163176B2 (en) Phosphor mixture, optoelectronic component comprising a phosphor mixture, and street lamp comprising a phosphor mixture
KR101496718B1 (en) Phosphor and light emitting device
WO2012165032A1 (en) Light-emitting device
US8589120B2 (en) Methods, systems, and apparatus for determining optical properties of elements of lighting components having similar color points
AU2015284080B2 (en) Oxyfluoride phosphor compositions and lighting apparatus thereof
US9078331B2 (en) Phosphor-converted white LED with low deviation of correlated color temperature and color coordinates and method of preparing the same
Gosnell et al. White light emission characteristics of polymer-encapsulated CdSe nanocrystal films
Huu et al. Application of green-emitting Sr 3 WO 6: U phosphor to enhance lumen efficiency of WLEDs
Nguyen et al. Effect of Red-emitting Sr_2. 41F_2. 59B_20. 03O_74. 8: Eu_0. 12, Sm_0. 048 Phosphor on Color Rendering Index and Luminous Efficacy of White LEDs
Thi et al. Luminescence and transfer for power characteristics of Sr4La (PO4) 3O: Ce3+, Tb3+, Mn2+ phosphor for WLEDs
Tung et al. The design and optical properties of orthosilicate phosphor-bredigite-like structure as a green light component in WLED device
Dang et al. The impacts from Sr4La (PO4) 3O: Ce3+, Tb3+, Mn2+ phosphor resulting in luminous flux of WLED devices
Van Liem Bui The impacts of green Cs2ZnSi5O12: Eu2+ phosphor for white light emitting diode
Lee et al. Strong green-emission phosphor Ca 2 SiO 4: Eu 2+ to achieve the color constancy and high luminous efficiency for white LEDs
Huu et al. The color-adjustable phosphor Sr 4 La (PO 4) 3 O: Ce 3+, Tb 3+, Mn 2+ of WLEDs: luminescence and transfer of energy characteristics
Thi et al. Higher chromatic rendition with Cr 3+-doped yellow Y 3 Al 5 O 12: Ce 3+ for double-layer remote phosphor white-light-emitting diodes.
Tung et al. Green SrSi 2 O 2 N 2: Eu 2+ phosphor for LED-phosphor applications: synthesis and characterization
Thi et al. Color-adjustable phosphors Sr4La (PO4) 3O: Ce3+, Tb3+, Mn2+ impact on luminescence of white light-emitting diodes
Van Liem Bui The luminescence efficiency of green phosphor Ca7 (PO4) 2 (SiO4) 2: Eu2+ for white light-emitting diode