Light emitting display panel
AssigneeLG Display Co., Ltd.
InventorsYongjae Kim, Seogshin Kang, Saehoon Oh
Life of this patent
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Abstract
A light emitting display panel includes: a pixel driving circuit layer on a substrate; a planarization layer on the pixel driving circuit layer, a plurality of anode electrodes on the planarization layer, the plurality of anode electrodes including a white anode electrode and a blue anode electrode; a white quantum layer under the white anode electrode, the white quantum layer including first quantum dots; and a blue quantum layer under the blue anode electrode, the blue quantum layer including second quantum dots.
Claims21
A light emitting display panel comprising:
- a pixel driving circuit layer on a substrate;
- a planarization layer on the pixel driving circuit layer;
- a plurality of anode electrodes on the planarization layer, the plurality of anode electrodes including a white anode electrode and a blue anode electrode;
- a white quantum layer under the white anode electrode such that the white quantum layer is closer to the substrate than the white anode electrode, the white quantum layer including first quantum dots;
- and
- a blue quantum layer under the blue anode electrode such that the blue quantum layer is closer to the substrate than the blue anode electrode, the blue quantum layer including second quantum dots.
A light emitting display panel comprising:
- a pixel driving circuit layer on a substrate;
- a planarization layer on the pixel driving circuit layer;
- a plurality of anode electrodes on the planarization layer, the plurality of anode electrodes including a blue anode electrode;
- and
- a blue quantum layer provided under the blue anode electrode such that the blue quantum layer is closer to the substrate than the blue anode electrode, the blue quantum layer including quantum dots,
- wherein the blue pixel including the blue quantum layer and the blue anode electrode is provided between a red pixel that outputs red light and a green pixel that outputs green light, and
- wherein the planarization layer comprises a groove that overlaps the blue anode electrode, the blue quantum layer is in the groove, and the blue quantum layer is covered by the blue anode electrode.
A light emitting display panel comprising:
- a pixel driving circuit layer on a substrate;
- a planarization layer on the pixel driving circuit layer, the planarization layer including black material that absorbs light;
- a plurality of anode electrodes on the planarization layer;
- a quantum layer under an anode electrode from the plurality of anode electrodes such that the quantum layer is closer to the substrate than the anode electrode, the quantum layer including quantum dots;
- and
- another quantum layer under another anode electrode from the plurality of anode electrodes such that the other quantum layer is closer to the substrate than the other anode electrode, the other quantum layer including quantum dots,
- wherein the anode electrode is included in a blue subpixel and the quantum dots include blue quantum dots that scatter blue light, and
- wherein the other anode electrode is included in a white subpixel and the quantum dots included in the other quantum layer include the blue quantum dots that scatter blue light.
Dependencies are inferred from the claim text.