Display device and tiled display device
AssigneeSamsung Display Co., Ltd.
InventorsSeung Lyong Bok, Hyun Joon Kim
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Abstract
A display device includes a plurality of sub-pixels, wherein a sub-pixel of the plurality of sub-pixels includes: a first pad electrode and a second pad electrode on the substrate and spaced from each other in a plan view; a light emitting device on the first pad electrode and the second pad electrode; and a first inspection transistor overlapping the first pad electrode in a thickness direction of the substrate, wherein the first inspection transistor overlaps the light emitting device in the thickness direction of the substrate.
Claims28
A display device comprising:
- a plurality of sub-pixels,
- wherein a sub-pixel of the plurality of sub-pixels comprises:
- a first pad electrode and a second pad electrode on a substrate and spaced from each other in a plan view;
- a light emitting device on the first pad electrode and the second pad electrode;
- and
- a first inspection transistor overlapping the first pad electrode in a thickness direction of the substrate,
- wherein the first inspection transistor overlaps the light emitting device in the thickness direction of the substrate,
- wherein the sub-pixel further comprises a second inspection transistor overlapping the second pad electrode in the thickness direction of the substrate, and
- wherein the second inspection transistor overlaps the light emitting device in the thickness direction of the substrate.
A display device comprising:
- a plurality of sub-pixels,
- wherein a sub-pixel of the plurality of sub-pixels comprises:
- a first pad electrode and a second pad electrode on a substrate and spaced from each other in a plan view;
- a light emitting device on the first pad electrode and the second pad electrode;
- and
- a first resistor unit overlapping the first pad electrode in a thickness direction of the substrate,
- wherein the first resistor unit overlaps the light emitting device in the thickness direction of the substrate.
A display device comprising:
- a plurality of sub-pixels,
- wherein a sub-pixel of the plurality of sub-pixels comprises:
- a first pad electrode and a second pad electrode on a substrate and spaced from each other in a plan view;
- a light emitting device on the first pad electrode and the second pad electrode;
- and
- a first dummy transistor overlapping the first pad electrode in a thickness direction of the substrate,
- wherein the first dummy transistor overlaps the light emitting device in the thickness direction of the substrate, and
- wherein a gate electrode of the first dummy transistor is connected to a floating line or a gate-off voltage line configured to receive a gate-off voltage.
A tiled display device comprising:
- a plurality of display devices;
- and
- a connection member between the plurality of display devices;
- wherein a first display device from among the plurality of display devices comprises a plurality of sub-pixels,
- wherein a sub-pixel of the plurality of sub-pixels comprises,
- a first pad electrode and a second pad electrode on a substrate and spaced from each other in a plan view;
- a light emitting device on the first pad electrode and the second pad electrode;
- a first thin film transistor overlapping the first pad electrode in a thickness direction of the substrate;
- and
- a second thin film transistor overlapping the second pad electrode in the thickness direction of the substrate,
- wherein each of the first thin film transistor and the second thin film transistor overlaps the light emitting device in the thickness direction of the substrate.
Dependencies are inferred from the claim text.