ChemInform Abstract: NEW TRICOLOR PHOSPHORS FOR GAS DISCHARGE DISPLAY

Abstract

Die Eigenschaften einer Reihe von Phosphoren unter UV‐Anregung werden im Hinblick auf die Entwicklung von Dreifarbenphosphoren für die Anwendung in Gasentladungsdisplays zur Farbfernsehbildwiedergabe untersucht.

Synthesis and luminescence properties of microemulsion-derived Y3Al5O12: Eu3+ Phosphors

“…3. The 395-nm peak in the excitation spectra is associated with the intra-configurational 4f 6 transitions of Eu 3+ ions [20]. In addition, the band observed in the region of 200-275 nm corresponds to the charge transfer band (CTB) of Eu 3+ -O 2− [21].…”

“…For improving the performance of displays, developing high-quality phosphors is a must. Besides the luminescence yield, the particle size, density, and morphology of phosphors also have to be well controlled [1][2][3][4][5][6]. The requirement that efficient phosphors utilize discharged inert gas as an excitation source has motivated vacuum ultraviolet (VUV) excited luminescence studies.…”

Recent research and development of VUV phosphors for a mercury-free lamp

“…These materials are attractive candidates for VUV phosphors for plasma display panels and mercury-free fluorescent lamps. For example, a red VUV phosphor (Y, Gd)BO 3 :Eu 3+ absorbs the VUV photons efficiently and has good chemical stability [10]. Luminescent properties under VUV (147 nm) excitation were investigated for a new Eu 2+ doped borophosphate phosphor.…”

A Quantum‐Splitting Phosphor Exploiting the Energy Transfer from Anion Excitons to Tb3+ in CaSO4:Tb,Na

“…[20][21][22] The uncertainties in the g values measured are usually within ± 10 %. Taking these uncertainties or possible variations of the actual g value (± 10 %), we have estimated the lower limit of g. This value for YBO 3 :Tb 3+ phosphor is as low as 0.81 (≈ 0.9 × 0.9).…”