ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF
First Claim
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1. An organic light emitting diode display comprising:
- a first organic light emitting element configured to emit light corresponding to a first wavelength region;
a second organic light emitting element configured to emit light corresponding to a second wavelength region, a center wavelength of the second wavelength region being shorter than a center wavelength of the first wavelength region;
a third organic light emitting element configured to emit light corresponding to a third wavelength region, a center wavelength of the third wavelength region being longer than the center wavelength of the first wavelength region;
a fourth organic light emitting element configured to emit light corresponding to a fourth wavelength region, a center wavelength of the fourth wavelength region being longer than the center wavelength of the third wavelength region;
assistance layers comprising a first assistance layer of the first organic light emitting element and a second assistance layer of the fourth organic light emitting element,wherein;
the first assistance layer and the second assistance layer comprise a same conductive material and have a same thickness;
the fourth organic light emitting element comprises a first hole transporting layer disposed on the second assistance layer; and
the first hole transporting layer comprises a different material from the first assistance layer and the second assistance layer and has a different thickness from the first assistance layer and the second assistance layer.
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Abstract
A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer
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Citations
18 Claims
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1. An organic light emitting diode display comprising:
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a first organic light emitting element configured to emit light corresponding to a first wavelength region; a second organic light emitting element configured to emit light corresponding to a second wavelength region, a center wavelength of the second wavelength region being shorter than a center wavelength of the first wavelength region; a third organic light emitting element configured to emit light corresponding to a third wavelength region, a center wavelength of the third wavelength region being longer than the center wavelength of the first wavelength region; a fourth organic light emitting element configured to emit light corresponding to a fourth wavelength region, a center wavelength of the fourth wavelength region being longer than the center wavelength of the third wavelength region; assistance layers comprising a first assistance layer of the first organic light emitting element and a second assistance layer of the fourth organic light emitting element, wherein; the first assistance layer and the second assistance layer comprise a same conductive material and have a same thickness; the fourth organic light emitting element comprises a first hole transporting layer disposed on the second assistance layer; and the first hole transporting layer comprises a different material from the first assistance layer and the second assistance layer and has a different thickness from the first assistance layer and the second assistance layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An organic light emitting diode display comprising:
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a first organic light emitting element configured to emit light corresponding to a first wavelength region; a second organic light emitting element configured to emit light corresponding to a second wavelength region, a center wavelength of the second wavelength region being shorter than a center wavelength of the first wavelength region; a third organic light emitting element configured to emit light corresponding to a third wavelength region, a center wavelength of the third wavelength region being longer than the center wavelength of the first wavelength region; a fourth organic light emitting element configured to emit light corresponding to a fourth wavelength region, a center wavelength of the fourth wavelength region being longer than the center wavelength of the third wavelength region; and wherein; each of the first organic light emitting element and the fourth organic light emitting element comprises an assistance layer; and the assistance layer of the first organic light emitting element and the assistance layer of the fourth organic light emitting element comprise a same conductive material and have a same thickness. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification