Display panel and method for manufacturing the same
AssigneeSamsung Display Co., Ltd.
InventorsJunghan Seo, Woo Yong Sung
Life of this patent
Estimating the term…
Abstract
A display panel according to an embodiment of the present invention includes an interlayer insulating layer, a pixel layer including a lower insulating layer between the interlayer insulating layer and a base substrate, an encapsulation layer including a first inorganic layer, and a first blocking groove in the display area, adjacent to a module hole, passing through the interlayer insulating layer to expose a portion of a top surface of the lower insulating layer, and the first blocking groove is surrounded by the first inorganic layer to contact the first inorganic layer.
Claims20
A display panel comprising:
- a base substrate that is divided into a display area and a peripheral area adjacent to the display area;
- a thin element layer comprising:
- a thin film transistor disposed on the base substrate;
- an interlayer insulating layer covering the thin film transistor;
- and
- a lower insulating layer disposed between the interlayer insulating layer and the base substrate;
- an organic light emitting element disposed on the display area and connected to the thin film transistor;
- an encapsulation layer disposed on the thin element layer and comprising a first inorganic layer, a second inorganic layer disposed on the first inorganic layer, and an organic layer disposed between the first inorganic layer and the second inorganic layer;
- a module hole defined in the display area and penetrating from a rear surface of the base substrate to a top surface of the encapsulation layer;
- and
- a first blocking groove defined in the display area adjacent to the module hole and penetrating through the interlayer insulating layer,
- wherein a portion of the first inorganic layer that overlaps the first blocking groove is disposed inside the first blocking groove and covers a side of the first blocking groove.
An electronic apparatus comprising:
- a base substrate that is divided into a display area and a peripheral area adjacent to the display area in a plan view;
- an organic light emitting element disposed on the display area and comprising a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode;
- a thin element layer comprising:
- a thin film transistor connected to the organic light emitting element;
- an interlayer insulating layer on which the first electrode is disposed and which is disposed between the thin film transistor and the organic light emitting element;
- a lower insulating layer disposed between the base substrate and the interlayer insulating layer;
- and
- an inorganic material pattern disposed on the interlayer insulating layer;
- an encapsulation layer disposed on the thin element layer and comprising:
- a first inorganic layer;
- a second inorganic layer disposed on the first inorganic layer;
- and
- an organic layer disposed between the first inorganic layer and the second inorganic layer;
- a module hole defined in the display area and penetrating from a rear surface of the base substrate to a top surface of the encapsulation layer;
- a blocking groove disposed in the display area and defined by a pattern part adjacent to the module hole and an opening defined in the inorganic material pattern overlapping the pattern part;
- and
- an electronic module configured to overlap the module hole,
- wherein the pattern part passes through the interlayer insulating layer,
- wherein a portion of the first inorganic layer that overlaps the blocking groove is disposed inside the blocking groove and covers a side of the blocking groove.
A method for manufacturing a display panel, the method comprising:
- forming a thin element layer comprising a pixel comprising a plurality of insulating layers on a display area of a base substrate that is divided into the display area comprising a hole area and a peripheral area adjacent to the display area;
- removing a portion of one of the insulating layers overlapping the hole area to form a blocking groove;
- forming an inorganic material pattern to extend partially over the blocking groove;
- depositing a first inorganic layer to the thin element layer and an inner surface of the blocking groove;
- applying an organic material on the first inorganic layer to form a preliminary organic layer so as to fill the blocking groove and cover the thin element layer;
- removing portions of the preliminary organic layer, which overlap the display area and a blocking area, to form an organic layer and a pattern part, respectively;
- forming a second inorganic layer which covers the organic layer and a filling member;
- and
- passing through the base substrate to form a module hole in an area surrounded by the blocking groove,
- wherein a portion of the first inorganic layer that overlaps the blocking groove is disposed inside the blocking groove and covers a side of the blocking groove.
Dependencies are inferred from the claim text.