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US 2026/0076084 A1Published application
Display device including a dummy electrode, optical device and electronical device
AssigneeSamsung Display Co., Ltd.
InventorsSung Hyun PARK, Joo Hong SEO, Seung Suk YANG
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Abstract
A display device includes a substrate, first electrodes disposed on the substrate, a pixel defining layer disposed on the first electrodes and having a trench, a light emitting stack disposed on the first electrode and the pixel defining layer, and a dummy electrode disposed between the substrate and the trench, and between the first electrodes, wherein a voltage applied to the dummy electrode and a voltage applied to the first electrodes are different.
Claims20
A display device comprising:
- a substrate;
- a plurality of first electrodes disposed on the substrate;
- a pixel defining layer disposed on the plurality of first electrodes and having a trench;
- a light emitting stack disposed on the plurality of first electrodes and the pixel defining layer;
- and
- a dummy electrode disposed between the substrate and the trench, and between the plurality of first electrodes,
- wherein a voltage applied to the dummy electrode and a voltage applied to the plurality of first electrodes are different.
4 more elements
An optical device comprising:
- a display device;
- and
- an optical path changing member on the display device,
- wherein the display device comprises:
- a substrate;
- a plurality of first electrodes disposed on the substrate;
- a pixel defining layer disposed on the plurality of first electrodes, and having a trench;
- a light emitting stack disposed on the plurality of first electrodes and the pixel defining layer;
- and
- a dummy electrode disposed between the substrate and the trench, and between the plurality of first electrodes,
- wherein the dummy electrode defines a leakage current path from the plurality of first electrodes.
8 more elements
An electronical device comprising:
- a display device including a display panel, wherein the display device comprises:
- a substrate;
- a plurality of first electrodes disposed on the substrate;
- a pixel defining layer disposed on the plurality of first electrodes, and having a trench;
- a light emitting stack disposed on the plurality of first electrodes and the pixel defining layer;
- and
- a dummy electrode disposed between the substrate and the trench, and between the plurality of first electrodes,
- wherein a voltage applied to the dummy electrode and a voltage applied to the plurality of first electrodes are different.
5 more elements
Dependencies are inferred from the claim text.