Display device
AssigneeSamsung Display Co., Ltd.
InventorsJinouk Song, Ilhoo Park, Jin Sook Bang, Sang Hoon Yim, Seong Jin Jeong
Life of this patent
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Abstract
A display device according to an embodiment includes: a substrate; a transistor on the substrate; a pixel electrode electrically connected to the transistor; a pixel defining layer on the pixel electrode and having a first opening overlapping the pixel electrode; an emission layer on the pixel electrode; a common electrode on the pixel definition layer and the emission layer; an encapsulation layer on the common electrode; a light extraction pattern on the encapsulation layer and having a first refractive index; and a reflection control layer covering the light extraction pattern and having a second refractive index different from the first refractive index.
Claims19
A display device comprising:
- a substrate;
- a transistor on the substrate;
- a pixel electrode electrically connected to the transistor;
- a pixel defining layer on the pixel electrode and having a first opening overlapping the pixel electrode;
- an emission layer on the pixel electrode;
- a common electrode on the pixel defining layer and the emission layer;
- an encapsulation layer on the common electrode;
- a light extraction pattern on the encapsulation layer and having a first refractive index;
- and
- a reflection control layer covering the light extraction pattern and having a second refractive index different from the first refractive index,
- wherein the first refractive index of the light extraction pattern is 1.40 to 1.59.
A display device comprising:
- a substrate;
- a transistor on the substrate;
- a pixel electrode electrically connected to the transistor;
- a pixel defining layer on the pixel electrode and having a first opening overlapping the pixel electrode;
- an emission layer on the pixel electrode;
- a common electrode on the pixel defining layer and the emission layer;
- an encapsulation layer on the common electrode;
- a reflection control layer on the encapsulation layer, comprising scatterers, and having a second opening overlapping the first opening;
- and
- a flattening layer in at least the second opening,
- wherein:
- the scatterers are distributed at ⅔ or less of a height of the reflection control layer in the reflection control layer.
Dependencies are inferred from the claim text.