Display panel and method of manufacturing the same
A display panel includes a substrate including adjacently-positioned first display area and second display area, a first inorganic insulation layer on the substrate and defining a transmission part in the second display area, a second inorganic insulation layer disposed on the first inorganic insulation layer and covering an inner surface and a bottom surface of the transmission part, a transparent wire on the second inorganic insulation layer in the second display area a via insulation layer on the second inorganic insulation layer and the transparent wire and including an organic material, a first light emitting element on the via insulation layer in the first display area, a second light emitting element on the via insulation layer in the second display area and electrically connected to the transparent wire, and an encapsulation layer covering the first and the second light emitting elements.
1 . A display panel comprising:
a substrate comprising a first display area and a second display area adjacent to the first display area;
a first inorganic insulation layer disposed on the substrate and defining a transmission part corresponding to the second display area;
a second inorganic insulation layer disposed on the first inorganic insulation layer, and covering an inner surface and a bottom surface of the transmission part;
a transparent wire disposed on the second inorganic insulation layer in the second display area, and comprising a transparent conductive material;
a via insulation layer disposed on the second inorganic insulation layer and the transparent wire, and comprising an organic material;
a first light emitting element disposed on the via insulation layer in the first display area;
a second light emitting element disposed on the via insulation layer in the second display area, and electrically connected to the transparent wire; and
an encapsulation layer covering the first light emitting element and the second light emitting element.
2 . The display panel of claim 1 , wherein the transparent wire covers the inner surface of the transmission part.
3 . The display panel of claim 2 , wherein the inner surface of the transmission part comprises a protrusion part, and the second inorganic insulation layer covers the protrusion part.
4 . The display panel of claim 1 , wherein the second inorganic insulation layer comprises silicon nitride.
5 . The display panel of claim 1 , wherein the via insulation layer fills the transmission part.
6 . The display panel of claim 1 , wherein the first display area surrounds at least a portion of the second display area, and
a transmittance of the second display area is larger than a transmittance of the first display area.
7 . The display panel of claim 1 , further comprising:
a first pixel circuit electrically connected to the first light emitting element; and
a second pixel circuit electrically connected to the second light emitting element through the transparent wire.
8 . The display panel of claim 7 , wherein the first pixel circuit comprises:
a driving transistor comprising a first active layer and a first gate electrode disposed on the first active layer;
a capacitor comprising the first gate electrode and an upper electrode disposed on the first gate electrode; and
an initialization transistor comprising a second active layer disposed on the upper electrode and electrically connected to the first gate electrode, and a second gate electrode disposed on the second active layer.
9 . The display panel of claim 8 , further comprising:
a barrier layer disposed on the substrate;
a buffer layer disposed on the barrier layer;
a first gate insulation layer covering the first active layer on the buffer layer;
a second gate insulation layer covering the first gate electrode on the first gate insulation layer;
a first interlayer insulation layer covering the upper electrode on the second gate insulation layer;
a third gate insulation layer covering the second active layer on the first interlayer insulation layer; and
a second interlayer insulation layer covering the second gate electrode on the third gate insulation layer, wherein
the second inorganic insulation layer comprises the second interlayer insulation layer.
10 . The display panel of claim 9 , wherein the second inorganic insulation layer comprises a first layer comprising silicon oxide and a second layer comprising a silicon nitride.
11 . The display panel of claim 9 , wherein the first inorganic insulation layer comprises the barrier layer, the buffer layer, the first gate insulation layer, the second gate insulation layer, the first interlayer insulation layer, and the third gate insulation layer.
12 . The display panel of claim 9 , wherein the first inorganic insulation layer comprises the barrier layer, the buffer layer, the first gate insulation layer, the second gate insulation layer, and the first interlayer insulation layer, and
the second inorganic insulation layer further comprises the third gate insulation layer.
13 . The display panel of claim 9 , wherein the barrier layer defines a trench in the second display area and recessed downward from a top surface of the barrier layer, and
the bottom surface of the trench is defined as a bottom surface of the transmission part.
14 . The display panel of claim 9 , further comprising:
a first connection electrode disposed on the same layer as the second gate electrode, and electrically connected to the first gate electrode through a contact hole that extends to the first gate electrode; and
a second connection electrode disposed on the second interlayer insulation layer, and electrically connected to each of the first connection electrode and the second active layer.
15 . A display panel comprising:
a substrate comprising a first display area and a second display area adjacent to the first display area;
a first inorganic insulation layer disposed on the substrate, and defining a transmission part in the second display area;
a second inorganic insulation layer disposed on the first inorganic insulation layer, covering an inner surface and a bottom surface of the transmission part, and comprising silicon nitride;
a via insulation layer disposed on the second inorganic insulation layer, filling the transmission part, and comprising an organic material;
a first light emitting element disposed on the via insulation layer in the first display area;
a second light emitting element disposed on the via insulation layer in the second display area; and
an encapsulation layer covering the first light emitting element and the second light emitting element.
16 . The display panel of claim 15 , further comprising:
a transparent wire disposed on the second inorganic insulation layer in the second display area, and comprising a transparent conductive material, wherein
the second light emitting element is electrically connected to the transparent wire.
17 . The display panel of claim 16 , wherein the transparent wire covers the inner surface of the transmission part.