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

Nguyen et al., 2017 - Google Patents

Effect of Red-emitting Sr 2.41 F 2.59 B 20.03 O 74.8: Eu 0.12, Sm 0.048 Phosphor on Color Rendering Index and Luminous Efficacy of White LEDs

Nguyen et al., 2017

View PDF
Document ID
6877824933006575509
Author
Nguyen A
Nguyen V
Lee H
Publication year
Publication venue
Current Optics and Photonics

External Links

Snippet

Color rendering index (CRI) and luminous efficacy (LE) are two key performance factors of white LEDs (WLED). While most recent works in optics focus on methodology to improve these factors, little attention has been dedicated to chemical composition of materials. This …
Continue reading at opg.optica.org (PDF) (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
    • 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
    • H01L33/58—Optical field-shaping elements
    • 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
    • C09K11/7777—Phosphates
    • 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
    • C09K11/774—Borates
    • 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
    • H01L33/02—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 bodies
    • 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
    • H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating

Similar Documents

Publication Publication Date Title
Tanabe et al. YAG glass-ceramic phosphor for white LED (II): luminescence characteristics
Yang et al. Recent progress on garnet phosphor ceramics for high power solid-state lighting
JP6010026B2 (en) Full spectrum semiconductor white light source, manufacturing method and application
US20100006875A1 (en) White light-emitting diode and its light conversion layer
RU2425433C2 (en) Optically active composition and light-emitting combined device based on said composition
Shuai et al. Nonmonotonic phosphor size dependence of luminous efficacy for typical white LED emitters
Zhou et al. Lithium ion doping triggered splendid quantum efficiency and thermal stability in Li 2 SrSiO 4: x Eu 2+ phosphors for optical thermometry and high luminous efficiency white-LED
US9583670B2 (en) Luminescence conversion element and optoelectronic semiconductor component comprising such a luminescence conversion element and method of producing same
Zhang et al. Layered array Al2O3-LuAG: Ce composite ceramic phosphors for high-brightness display
Luo et al. Enhancement of color quality and luminous flux for remote-phosphor LEDs with red-emitting CaMgSiO: Eu, Mn
Nguyen et al. Effect of Red-emitting Sr 2.41 F 2.59 B 20.03 O 74.8: Eu 0.12, Sm 0.048 Phosphor on Color Rendering Index and Luminous Efficacy of White LEDs
Anh et al. Enhancing lighting performance of white LED lamps by green emitting Ce, Tb phosphor
Trang et al. Improving luminous flux and color homogeneity of dual-layer phosphor sctructure
Minh et al. Influence of CaCO3, CaF2, SiO2, and TiO2 Scattering Particles' Concentration on Color Rending Index and Color Quality Scale of the Conformal Packaging Multi-chip White LEDs
CN101070470B (en) WLED and its inorganic fluorescent powder
Loan et al. SrBaSiO4: Eu2+ phosphor: a novel application for improving the luminous flux and color quality of multi-chip white LED lamps
Tin et al. Red-emitting α-SrO· 3B 2 O 3: Sm 2+ Phosphor for WLED Lamps: Novel Lighting Properties with Two-layer Remote Phosphor Package
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
Thi et al. The application of phosphor Sr4La (PO4) 3O: Ce3+, Tb3+, Mn2+ on white light-emitting diodes
Dang et al. The impacts from Sr4La (PO4) 3O: Ce3+, Tb3+, Mn2+ phosphor resulting in luminous flux of WLED devices
Chen et al. ZnO Nanoparticles in Bettering The Color Uniformity of Phosphor-Converted White Led Lights
Huu et al. Superior hue output as well as lumen for WLEDs with dual-sheet distant layouts of phosphor
Nguyen et al. Enhancing Luminous Efficacy of White Led Lamp Using Ca2MgSi2O7: Eu2+ Phosphor
Dang et al. Applying calcium fluoride and silica particles: A solution to improve color homogeneity of pc-WLEDS.
Loan et al. For improvements in chromatic scales and luminescent fluxes of white lights: developing a dual-layer remote phosphor structure