Organic elelectroluminescent display
AssigneeKabushiki Kaisha Toshiba
InventorsYujiro Hara, Keiji Sugi, Nobuyoshi Saito, Tomio Ono, Akio Amano, Yukitami Mizuno
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Abstract
According to one embodiment, an organic EL display includes a substrate and a pixel. The pixel is disposed on the substrate and includes a first color displaying portion and a second color displaying portion. The first color displaying portion has a first organic light emitting layer. The second color displaying portion has a second organic light emitting layer having an emission spectrum different from an emission spectrum of the first organic light emitting layer. The first color displaying portion has two sub-pixels. One of the two sub-pixels has a color filter.
Claims3
An organic electroluminescent display comprising:
- a substrate;
- and
- a pixel disposed on the substrate and including a first color displaying portion, a second color displaying portion, and a third color displaying portion, the first color displaying portion having a first organic light emitting layer, the second color displaying portion having a second organic light emitting layer having an emission spectrum different from an emission spectrum of the first organic light emitting layer, the third color displaying portion having a third organic light emitting layer having an emission spectrum different from the emission spectrum of the first organic light emitting layer and the emission spectrum of the second light emitting layer,
- wherein each of the first color displaying portion, the second color displaying portion, and the third color displaying portion has a first sub-pixel provided with a color filter and a second sub-pixel provided with no color filter, and
- wherein in the first color displaying portion, the second color displaying portion, and the third color displaying portion, a color gamut reproduced by said three first sub-pixels, each provided with said color filter, is larger than a color gamut reproduced by said three second sub-pixels, each provided with no color filter.
Dependencies are inferred from the claim text.