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US 2017/0250343 A1Published application
Shadow mask and method of manufacturing a display device
AssigneeJapan Display Inc.
InventorTakeshi OKAWARA
Life of this patent
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Abstract
A shadow mask includes a first surface arranged in such a way as to face a film deposition target, and a second surface arranged in such a way as to be exposed to a film deposition material. Each of the first surface and the second surface has an uneven surface, and the second surface is more uneven than the first surface.
Claims10
A shadow mask comprising:
- a first surface arranged in such a way as to face a film deposition target;
- and
- a second surface arranged in such a way as to be exposed to a film deposition material,
- wherein each of the first surface and the second surface has an uneven surface, and
- the second surface is more uneven than the first surface.
2 more elements
A method of manufacturing a display device including a light emitting element layer, the method comprising:
- preparing a shadow mask having a first surface and a second surface, wherein each of the first surface and the second surface has an uneven surface and wherein the second surface is more uneven than the first surface;
- and
- arranging the shadow mask in such away that the first surface faces a substrate while the second surface is exposed to a film deposition material, and forming the light emitting element layer while patterning the layer by vapor deposition.
Dependencies are inferred from the claim text.