ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS

ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS

An organic EL display device improves a contrast ratio by reducing external light reflection and securing brightness. A wavelength selection absorption filter, which absorbs light with a preset uniform absorption spectrum (52), is formed in a display region. The absorption spectrum (52) has a negati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TOJO TOSHIO
Format: Patent
Sprache:eng ; kor
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:An organic EL display device improves a contrast ratio by reducing external light reflection and securing brightness. A wavelength selection absorption filter, which absorbs light with a preset uniform absorption spectrum (52), is formed in a display region. The absorption spectrum (52) has a negative correlation with an output spectrum (48) that synthesizes each spectrum of an R pixel, a G pixel, and a B pixel. Particularly, the absorption spectrum (52) sets a ridge part in response to a valley part of a light emission spectrum of an OLED generated between a B color and a G color.