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Dive into the research topics where Ulrich Dr Kynast is active.

Publication


Featured researches published by Ulrich Dr Kynast.


Journal of Applied Physics | 1994

THE DEGRADATION BEHAVIOR OF LAOBR:TB UNDER CATHODE-RAY EXCITATION

Cornelis Reinder Ronda; Helmut Bechtel; Ulrich Dr Kynast; T. Welker

Investigations on the degradation behavior of LaOBr:Tb phosphors under cathode‐ray excitation are presented. The microscopic nature of defects created under prolonged electron bombardment has been identified using extended optical analyses on aged LaOBr:Tb phosphor screens and supported by ion desorption experiments performed in an ultrahigh vacuum system. The degradation behavior of LaOBr:Tb can be improved considerably by codoping this phosphor with chloride or iodide.


Archive | 1994

Optical electroluminescent component used as LED's

Herbert Friedrich Boerner; Ulrich Dr Kynast; Wolfgang Busselt; Markus Haase


Archive | 1997

Organic electroluminescent device with an inorganic electron-conducting layer

Markus Haase; Ulrich Dr Kynast; Herbert Dr Boerner; Cornelis Dr Ronda


Archive | 1989

Passivating rare earth oxy:halide phosphor - by treating with aq. boric acid soln.

Ulrich Dr Kynast; Cornelis Dr Ronda


Archive | 1993

Method of manufacturing a display tube

Helmut Bechtel; Wolfram Czarnojan; Stefan Gruhlke; Ulrich Dr Kynast


Archive | 2002

Verfahren zum präparativen Aufschließen von schwermetallhaltigen Gläsern A method for preparative digestion of heavy metal-containing glasses

Michael Bredol; Monika Klamka; Ulrich Dr Kynast; Dominika Zielniok


Archive | 2002

A method for preparative digestion of heavy-metal-containing glasses

Michael Bredol; Monika Klamka; Ulrich Dr Kynast; Dominika Zielniok


Archive | 1996

Organisches elektrolumineszentes Bauteil mit Ladungstransportschicht An organic electroluminescent component with a charge transport layer

Markus Haase; Ulrich Dr Kynast; Herbert Dr Boerner; Cornelis Dr Ronda


Archive | 1995

Organisches, elektrolumineszentes Bauteil

Herbert Dr Boerner; Ulrich Dr Kynast; Wolfgang Busselt; Markus Haase


Archive | 1993

Green-luminescing zinc sulfide and its production and cathode ray tube containing luminescent screen provided with zinc sulfide

Michael Bredol; Merikhi Jacqueline; Ulrich Dr Kynast; Cornelis Dr Ronda; キナスト ウルリヒ; ロンダ コルネリス; ブレドール ミハエル; メリキ ヤッケリン

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