Display device with embedded driving circuit and common supply line on peripheral area

A display device comprising:

• a substrate including a display area configured for displaying an image and a peripheral area positioned outside of the display area;
• a first thin film transistor disposed on the display area;
• a display element electrically connected to the first thin film transistor;
• a planarization layer disposed between the first thin film transistor and the display element, the planarization layer including an organic material;
• an inorganic protective layer disposed between the planarization layer and the first thin film transistor, the inorganic protective layer directly covering a source electrode and a drain electrode of the first thin film transistor and extending to the peripheral area;
• a thin-film encapsulation layer covering the display area, the thin-film encapsulation layer comprising at least one inorganic encapsulation layer and at least one organic encapsulation layer;
• wherein the inorganic encapsulation layer contacts the inorganic protective layer in the peripheral area.

A display device comprising:

• a substrate including a display area configured for displaying an image and a peripheral area outside the display area;
• a first thin film transistor disposed on the display area;
• a display element electrically connected to the first thin film transistor, the display element comprising a pixel electrode, an intermediate layer, and an opposite electrode;
• an embedded driving circuit portion disposed on the peripheral area, the embedded driving circuit portion comprising a second thin film transistor;
• a wiring portion disposed at one side of the embedded driving circuit portion, the wiring portion having wirings connected to the embedded driving circuit portion;
• a first shielding layer at least partially overlapping the second thin film transistor with a planarization layer disposed between the first shielding layer and the second thin film transistor, the first shielding layer comprising a same material as a material of the pixel electrode;
• and
• a second shielding layer disposed on the first shielding layer, the second shielding layer extending from the opposite electrode,
• wherein an end of the second shielding layer is disposed between the wiring portion and the display area.

A display device comprising:

• a substrate including a display area configured for displaying an image and a peripheral area positioned outside of the display area, the peripheral area including a top peripheral area, a bottom peripheral area, a left peripheral area and a right peripheral area;
• a first thin film transistor disposed on the display area;
• a display element electrically connected to the first thin film transistor, the display element comprising a pixel electrode, an intermediate layer, and an opposite electrode;
• an embedded driving circuit portion disposed on the left peripheral area and right peripheral area, the embedded driving circuit portion comprising a second thin film transistor;
• and
• a common voltage supply line disposed on at least one of the top peripheral area and bottom peripheral area and not disposed on the left peripheral area and the right peripheral area, wherein the common voltage supply line is electrically connected to the opposite electrode.