Pixel structure
First Claim
1. A pixel structure on a substrate, comprising:
- a control unit arranged on the substrate;
an OEL unit arranged on the substrate, the OEL unit comprising a transparent electrode, a light-emitting layer and a metal electrode, wherein the transparent electrode is electrically connected with the control unit, and the light-emitting layer and the metal electrode are sequentially stacked on the transparent electrode; and
a semi-transparent reflector structure sandwiched between the substrate and the OEL unit, the semi-transparent reflector structure at least comprising a plurality of first and second dielectric layers, a third dielectric layer, and a fourth dielectric layer over the control unit, the first and second dielectric layers being alternately stacked, the refractive index of the first dielectric layers being different from that of the second dielectric layers, the third dielectric layer extending below the bottom of the first and second dielectric layers to the control unit, and the fourth dielectric layer being extended between the bottom of the first and second dielectric layers and the third dielectric layer,wherein the total thickness of the first and second dielectric layers is larger than that of the third and fourth dielectric layers.
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Abstract
A pixel structure driven by a scan line and a data line arranged on a substrate is provided. The pixel structure includes a control unit, an OEL unit and a semi-transparent reflector structure. The control unit driven by the scan line and the data line is arranged on the substrate. The OEL unit is arranged on the substrate and includes a transparent electrode, a light-emitting layer and a metal electrode. The transparent electrode is electrically connected with the control unit. The light-emitting layer is disposed on the transparent electrode. The metal electrode is disposed on the light-emitting layer. The semi-transparent reflector structure is sandwiched between the substrate and the OEL unit, and includes at least a plurality of first and second dielectric layers. The first and second dielectric layers are alternately stacked, and the refractive index of the first dielectric layers is different from that of the second dielectric layers.
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Citations
11 Claims
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1. A pixel structure on a substrate, comprising:
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a control unit arranged on the substrate; an OEL unit arranged on the substrate, the OEL unit comprising a transparent electrode, a light-emitting layer and a metal electrode, wherein the transparent electrode is electrically connected with the control unit, and the light-emitting layer and the metal electrode are sequentially stacked on the transparent electrode; and a semi-transparent reflector structure sandwiched between the substrate and the OEL unit, the semi-transparent reflector structure at least comprising a plurality of first and second dielectric layers, a third dielectric layer, and a fourth dielectric layer over the control unit, the first and second dielectric layers being alternately stacked, the refractive index of the first dielectric layers being different from that of the second dielectric layers, the third dielectric layer extending below the bottom of the first and second dielectric layers to the control unit, and the fourth dielectric layer being extended between the bottom of the first and second dielectric layers and the third dielectric layer, wherein the total thickness of the first and second dielectric layers is larger than that of the third and fourth dielectric layers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification