Light emitting display apparatus having improved light extraction and color gamut
A light emitting display apparatus includes a substrate including a plurality of sub-pixels; an overcoating layer on the substrate and having a base portion and a protrusion portion; a first electrode disposed to cover a side portion of the protrusion portion and the base portion at the plurality of...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
10.01.2023
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Online Access | Get full text |
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Abstract | A light emitting display apparatus includes a substrate including a plurality of sub-pixels; an overcoating layer on the substrate and having a base portion and a protrusion portion; a first electrode disposed to cover a side portion of the protrusion portion and the base portion at the plurality of sub-pixels; a bank layer covering a portion of the first electrode and the overcoating layer; and a light emitting layer and a second electrode on the first electrode and the bank layer at the plurality of sub-pixels. The first electrode includes a reflective layer and a transparent conductive layer on the reflective layer, the transparent conductive layer includes a first portion on the base portion and a second portion on a side surface of the protrusion portion, and a thickness of the second portion is greater than a thickness of the first portion. |
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AbstractList | A light emitting display apparatus includes a substrate including a plurality of sub-pixels; an overcoating layer on the substrate and having a base portion and a protrusion portion; a first electrode disposed to cover a side portion of the protrusion portion and the base portion at the plurality of sub-pixels; a bank layer covering a portion of the first electrode and the overcoating layer; and a light emitting layer and a second electrode on the first electrode and the bank layer at the plurality of sub-pixels. The first electrode includes a reflective layer and a transparent conductive layer on the reflective layer, the transparent conductive layer includes a first portion on the base portion and a second portion on a side surface of the protrusion portion, and a thickness of the second portion is greater than a thickness of the first portion. |
Author | Koo, Wonhoe Sim, Dongmin Choi, Hyekyung |
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Notes | Application Number: US202017006475 |
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Snippet | A light emitting display apparatus includes a substrate including a plurality of sub-pixels; an overcoating layer on the substrate and having a base portion... |
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Title | Light emitting display apparatus having improved light extraction and color gamut |
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