Relaxation of phosphor field in SrS:Ce thin film electroluminescent devices

Ohmi, Koutoku; Inoue, Satoshi
June 1994
Applied Physics Letters;6/20/1994, Vol. 64 Issue 25, p3464
Academic Journal
Investigates the capacitance-applied voltage and internal charge-phospor field characteristics of strontium sulphide:cerium thin film electroluminescent devices. Determination of the average phosphor field of the films; Correlation of the turn-on voltage of the devices with conduction charge; Observation of a large spike current.


Related Articles

  • High-efficiency red electrophosphorescence devices. Adachi, Chihaya; Baldo, Marc A.; Forrest, Stephen R.; Lamansky, Sergey; Thompson, Mark E.; Kwong, Raymond C. // Applied Physics Letters;3/12/2001, Vol. 78 Issue 11, p1622 

    We demonstrate high-efficiency red electrophosphorescent organic light-emitting devices employing bis(2-(2[sup ′]-benzo[4,5-a]thienyl)pyridinato-N,C[sup 3[sup ′]]) iridium(acetylacetonate) [Btp[sub 2]Ir(acac)] as a red phosphor. A maximum external quantum efficiency of η[sub...

  • Effect of an interlayer on the emission characteristics of a white-light-emitting electroluminescent device with a Pr and Ce doubly doped ZnS phosphor layer. Lee, Y. H.; Ju, B. K.; Song, M. H.; Hahn, T. S.; Oh, M. H.; Kim, D. H. // Journal of Applied Physics;6/1/1996, Vol. 79 Issue 11, p8717 

    Provides information on a study that investigated the light-emission characteristics of a white-light-emitting electroluminescent device with a doubly doped ZnS:Pr,Ce,F phosphor layer. Details on the specimen preparation; Results and discussion; Conclusion.

  • Optical properties of SrS:Cu,Ag two-component phosphors for electroluminescent devices. Park, W.; Jones, T.C.; Summers, C.J. // Applied Physics Letters;3/29/1999, Vol. 74 Issue 13, p1785 

    Studies the luminescence characteristics of a two-component electroluminescent phosphor SrS:Cu,Ag by optical spectroscopy. Electroluminescent emission of SrS:Ag; Excitation spectra; Energy transfer from Cu to Ag.

  • Single material emits white light in Taiwan. H.Y. // Electronics Weekly;8/3/2005, Issue 2205, p13 

    The article reports that the world's first single-material white phosphor has been made by researchers in Taiwan. Currently white Light Emitting Diodes (LEDs) are made using RGB phosphors and a UV LED or a blue LED and a yellow phosphor. The structure of the material, a zinc gallophosphate...

  • Drug methods create phosphors for LEDs.  // Electronics Weekly;5/21/2003, Issue 2100, p2 

    Reports on the application of automated combinatorial chemistry techniques in developing phosphors for white light emitting diode by Siemens AG. Analysis of the products; Collaboration with Symyx for the project.

  • Modeling space charge in alternating-current thin-film electroluminescent devices using a single-sheet charge model. Keir, P. D.; Ang, W. M.; Wager, J. F. // Journal of Applied Physics;10/1/1995, Vol. 78 Issue 7, p4668 

    Presents a simulation of alternating-current thin-film electroluminescent (ACTFEL) device operation with positive space charge present in the phosphor layer of the device. Reason for choosing ACTFEL device model over distributed models; General form of the single-sheet charge model; Steps in...

  • Silicone system choices abound for HB LED packaging. Riegler, Bill; Thomaser, Rob; Bruner, Steve // Laser Focus World;Nov2006, Vol. 42 Issue 11, p115 

    The article offers information about the polymer chemistry and structure of silicones for numerous high brightness light emitting diode packaging applications, such as die encapsulation, die-attach adhesive, and lens-type material. It includes information about the material composition and...

  • High-efficiency and color-stable white organic light-emitting devices based on sky blue electrofluorescence and orange electrophosphorescence. Cheuk-Lam Ho; Mei-Fang Lin; Wai-Yeung Wong; Wai-Kwok Wong; Chen, Chin H. // Applied Physics Letters;2/25/2008, Vol. 92 Issue 8, p083301 

    Highly efficient and color-stable two-wavelength white organic light-emitting devices (WOLEDs) combining an orange phosphor [Ir(Cz–CF3)] and a sky blue fluorescent dye BUBD-1 are fabricated where the host singlet is resonant with the fluorophore singlet state and the host triplet is...

  • Thermally stable luminescence of KSrPO4:Eu2+ phosphor for white light UV light-emitting diodes. Tang, Yu-Sheng; Hu, Shu-Fen; Lin, Chun Che; Bagkar, Nitin C.; Liu, Ru-Shi // Applied Physics Letters;4/9/2007, Vol. 90 Issue 15, p151108 

    A novel blue phosphor based on phosphate host matrix, KSrPO4 doped with Eu2+, was prepared by solid state reaction. The phosphor invariably emits blue luminescence with a peak wavelength at 424 nm under ultraviolet excitation at 360 nm. Eu2+-doped KSrPO4 phosphors show higher thermally stable...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics