Organic light-emitting display apparatus having peripheral dam containing metal-containing layer
An organic light-emitting display apparatus including a substrate having a display area and a peripheral area; a TFT in the display area; an organic insulating layer on the TFT; an OLED that includes a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween; a pixel-defining layer on the organic insulating layer and having an opening overlying the pixel electrode; a first dam in the peripheral area; a second dam in the peripheral area to surround an outer periphery of the first dam; a metal-containing layer covering the first dam and including a same material as the pixel electrode; and a thin-film encapsulator on the substrate to cover the OLED and including a first and second inorganic films, and an organic film between the first and second inorganic films.
1. An organic light-emitting display apparatus, comprising:
a substrate that includes a display area and a peripheral area around the display area;
a display in the display area of the substrate, the display including a thin-film transistor (TFT), an organic insulating layer on the TFT and covering the TFT, and an organic light-emitting diode (OLED), the OLED including a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing pixel electrode with the emission layer therebetween;
a first dam in the peripheral area of the substrate to surround an outer periphery of the display;
a metal-containing layer completely covering a top surface and a side surface of the first dam; and
a thin-film encapsulator over the entire display area to cover the display and a portion of the peripher area, the thin-film encapsulator including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film; and
an inorganic material layer on the first dam and directly between the metal-containing layer and the first inorganic film.
2. The organic light-emitting display apparatus as claimed in claim 1 , wherein the metal-containing layer completely covers and directly contacts the top surface, an inner side surface of the first dam, and an outer side of the first dam.
3. The organic light-emitting display apparatus as claimed in claim 2 , wherein the metal-containing layer completely covers and directly contacts an entirety of the top surface, an entirety of the inner side surface of the first dam, and an entirety of the outer side of the first dam.
4. The organic light-emitting display apparatus as claimed in claim 2 , wherein the inorganic material layer completely covers the first dam.
5. The organic light-emitting display apparatus as claimed in claim 4 , wherein the inorganic material layer directly contacts the metallic layer at a top surface of the first dam, an inner side surface of the first dam, and an outer side of the first dam.
6. The organic light-emitting display apparatus as claimed in claim 1 , wherein no material of the emission layer covers the dam.
7. The organic light-emitting display apparatus as claimed in claim 1 , wherein the organic film of the thin-film encapsulator does not cover the first dam.
8. An organic light-emitting display apparatus, comprising;
a substrate that includes a display area and a peripheral area around the display area;
a display in the display area of the substrate, the display including a thin-film transistor (TFT), an organic insulating layer on the TFT and covering the TFT, and an organic light-emitting diode (OLED), the OLED including a pixel electrode electrically connnected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween;
a first darn in the peripheral area of the substrate to surround an outer periphery of the display;
a metal-containing layer covering a top surface and a side surface of the first dam; and
a thin-film encapsulator including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film;
an inorganic material layer on the first dam and directly between the metal-containing layer and the first inorganic film; and
a light enhancement layer between the counter electrode and the first inorganic film to correspond to the display area, wherein
the inorganic material layer includes a same material as a material of the light enhancement layer.
9. The organic light-emitting display apparatus as claimed in claim 8 , wherein:
the light enhancement layer and the inorganic material layer are integrally formed with each other,
the light enhancement layer has a first thickness, and
the inorganic material layer has a second thickness that is less than the first thickness.
10. An organic light-emitting display apparatus, comprising:
a substrate that includes a display area and a peripheral area around the display area:
a display in the display area of the substrate, the display including a thin-film transistor (TFT), an organic insulating layer on the TFT and covering the TFT, and an organic light-emitting diode (OLED), the OLED including a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween;
a first dam in the peripheral area of the substrate to surround an outer periphery of the display;
a metal-containing layer covering a top surface and a side surface of the first dam; and
a thin-film encapsulator over the entire display area to cover the display and a portion of the peripheral area, the thin-film encapsulator including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film; and
an inorganic material layer on the first dam and directly between the metal-containing layer and the first inorganic film, wherein
the metal-containing layer includes a same materal as a material of the pixel electrode.
11. The organic light-emitting display apparatus as claimed in claim 8 , wherein the light enhancement layer includes lithium fluoride (LiF).