WHITE ORGANIC LIGHT-EMITTING DISPLAY DEVICE

A white organic light-emitting display device includes a red emission layer between a charge generation layer and a yellow-green emission layer and having a hole transport-type host. The white organic light-emitting display device can improve brightness, color gamut, and color shift rate since the r...

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Main Authors KIM, SeUng, KAM, YoungSeok, YOO, TaeSun, CHO, GwiJeong, KIM, TaeShick
Format Patent
LanguageEnglish
French
German
Published 22.06.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Abstract A white organic light-emitting display device includes a red emission layer between a charge generation layer and a yellow-green emission layer and having a hole transport-type host. The white organic light-emitting display device can improve brightness, color gamut, and color shift rate since the red emission layer functions as a hole transport layer and an electron blocking layer, as well as an emission layer. The white organic light-emitting display device can further improve the efficiency of the red emission layer by reducing exciton quenching between the charge generation layer and the red emission layer by the insertion of an auxiliary layer composed of a hole transport-type host between the charge generation layer and the red emission layer.
AbstractList A white organic light-emitting display device includes a red emission layer between a charge generation layer and a yellow-green emission layer and having a hole transport-type host. The white organic light-emitting display device can improve brightness, color gamut, and color shift rate since the red emission layer functions as a hole transport layer and an electron blocking layer, as well as an emission layer. The white organic light-emitting display device can further improve the efficiency of the red emission layer by reducing exciton quenching between the charge generation layer and the red emission layer by the insertion of an auxiliary layer composed of a hole transport-type host between the charge generation layer and the red emission layer.
Author KAM, YoungSeok
YOO, TaeSun
KIM, SeUng
KIM, TaeShick
CHO, GwiJeong
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DocumentTitleAlternate ORGANISCHE WEISSLICHTEMITTIERENDE ANZEIGEVORRICHTUNG
DISPOSITIF À AFFICHAGE ÉLECTROLUMINESCENT ORGANIQUE BLANC
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Snippet A white organic light-emitting display device includes a red emission layer between a charge generation layer and a yellow-green emission layer and having a...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
Title WHITE ORGANIC LIGHT-EMITTING DISPLAY DEVICE
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