Displaytechnologien in der Physik (CRT, Plasma, LCD bis Micro LED) – Entwicklung, Quantenphysik, Farbmodelle & Touchscreens

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Displaytechnologien in der Physik (CRT, Plasma, LCD bis Micro LED) – Entwicklung, Quantenphysik, Farbmodelle & Touchscreens

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Diese Physik-Präsentation behandelt die Entwicklung moderner Displaytechnologien von CRT über Plasma und LCD bis hin zu QLED und Micro LED. Weitere Inhalte: Weiterentwicklung von LCD-Technologien Grundlagen der Quantenmechanik in Halbleitern QLED (Quantum Dots / OLED / Neo-QLED) Farbmischung (RGB-Modell) Warum Blau technisch später realisiert wurde Touchscreen-Technologien physikalischer Ausblick auf zukünftige Displays Ideal für Physikreferate, GFS und Oberstufenunterricht.

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Bildschirmtechnologien &
Farbmischung
- vom CRT bis Micro-LED

GFS Physik Jg1 Gregor Rothaug

,Gliederung
• Monitorarten
• Quantenmechanik in Displays
• Touchdisplays
• Additive Farbmischung
• Warum Blau so spät kam
• Schwarzlicht

,CRT-Monitor

, CRT (Kathodenstrahlröhre)
• 3 Elektronenkanonen (Braunsche Röhre)
• Elektronen im Metall liegen im Leitungsband und sind durch die
Austrittsarbeit an das Metall gebunden.
• Durch Erhitzen der Kathode steigt die thermische Energie der
Elektronen, wodurch einige die Austrittsarbeit überwinden können.
• Nur Elektronen mit Energie größer als die Austrittsarbeit verlassen
die Kathode und tragen zum Elektronenstrom bei.

• Beschleunigung der Elektronen zwischen Anode und Kathode
(U meist 20-30kV)

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Uploaded on: April 26, 2026
Number of pages: 51
Written in: 2025/2026
Type: Presentation
Person: Unknown

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Displaytechnologien in der Physik (CRT, Plasma, LCD bis Micro LED) – Entwicklung, Quantenphysik, Farbmodelle & Touchscreens

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