Touch screen panel and display apparatus with integrated touch screen
Disclosed are a touch screen panel and a display apparatus with integrated touch screen, in which a pattern inspection process and a repair process are easily performed on touch electrodes. The touch screen panel includes a plurality of first touch electrodes, a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes, a plurality of bridge electrodes electrically connecting the plurality of second touch electrodes, and a plurality of identification patterns disposed in respective outer portions of the plurality of first touch electrodes and the plurality of second touch electrodes.
1. A touch screen panel comprising:
a plurality of first touch electrodes;
a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes;
a plurality of bridge electrodes electrically connecting the plurality of second touch electrodes;
a plurality of identification patterns disposed in an outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes; and
a plurality of dummy patterns provided on a same layer as the plurality of bridge electrodes and overlaps with the plurality of first touch electrodes and the plurality of second touch electrodes,
wherein the plurality of identification patterns are exposed at a gap space between each of the plurality of first touch electrodes and the plurality of second touch electrodes, and
wherein the plurality of bridge electrodes, the plurality of identification patterns, and the plurality of dummy patterns each have a three-layer structure of titanium/aluminum/titanium or molybdenum/aluminum/molybdenum.
2. The touch screen panel of claim 1 , wherein the plurality of identification patterns are disposed on a same layer as the plurality of bridge electrodes.
3. The touch screen panel of claim 2 , wherein
each of the plurality of first touch electrodes and the plurality of second touch electrodes includes a plurality of metal lines and has a mesh pattern structure where the plurality of metal lines intersect one another, and
part of the plurality of identification patterns overlaps a metal line disposed in the outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes.
4. The touch screen panel of claim 3 , wherein each of the plurality of identification patterns has a line shape, a stepped shape, a dot line shape, or a curve shape.
5. The touch screen panel of claim 3 , wherein each of the plurality of identification patterns has a line width narrower than the metal line.
6. The touch screen panel of claim 1 , wherein
each of the plurality of first touch electrodes and the plurality of second touch electrodes includes a plurality of metal lines and has a mesh pattern structure where the plurality of metal lines intersect one another, and
each of the plurality of identification patterns has at least one protrusion or concave portion on one side surface of a metal line disposed in an outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes.
7. The touch screen panel of claim 6 , wherein
the at least one protrusion protrudes from the one side surface of the metal line to have a curve shape or a triangular shape, or
the at least one concave portion is concavely recessed from the one side surface of the metal line to have a curve shape or a triangular shape.
8. The touch screen panel of claim 1 , wherein the plurality of dummy patterns includes a plurality of metal lines and has a mesh pattern structure where the plurality of metal lines intersects one another.
9. A display apparatus with integrated touch screen, the display apparatus comprising:
a thin film transistor (TFT) layer provided on a substrate;
light emitting device layers including a first electrode connected to the TFT layer, a light emitting layer provided on the first electrode, and a second electrode provided on the light emitting layer;
an encapsulation layer surrounding the light emitting device layers; and
a touch electrode layer provided on the encapsulation layer,
wherein the touch electrode layer includes the touch screen panel having a plurality of first touch electrodes, a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes, a plurality of bridge electrodes electrically connecting the plurality of second touch electrodes, and a plurality of identification patterns disposed in an outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes,
wherein the plurality of identification patterns are exposed at a gap space between each of the plurality of first touch electrodes and the plurality of second touch electrodes.
10. The display apparatus of claim 9 , wherein the light emitting device layers further comprise a bank covering an edge of the first electrode to define an opening area on the first electrode, wherein the plurality of first touch electrodes and the plurality of second touch electrodes overlap the bank and part of the plurality of identification patterns overlaps the opening area.
11. The display apparatus of claim 10 , further comprising a wavelength conversion layer overlapping the opening area.
12. The display apparatus of claim 10 , further comprising a plurality of dummy patterns provided on a same layer as the plurality of bridge electrodes to overlap the plurality of first touch electrodes and the plurality of second touch electrodes.
13. The display apparatus of claim 12 , wherein the plurality of dummy patterns includes a plurality of metal lines and have a mesh pattern structure where the plurality of metal lines intersects one another.
14. The display apparatus of claim 13 , wherein the plurality of bridge electrodes, the plurality of identification patterns, and the plurality of dummy patterns each have a three-layer structure of titanium/aluminum/titanium or molybdenum/aluminum/molybdenum.
15. A touch screen panel comprising:
a plurality of first touch electrodes;
a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes;
a sensing area disposed between the plurality of first touch electrodes and the plurality of the second touch electrodes and having a metal mesh structure;
a plurality of bridge electrodes electrically connecting the plurality of second touch electrodes;
a plurality of identification patterns disposed in an outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes to identify the sensing area; and
a plurality of dummy patterns provided on a same layer as the plurality of bridge electrodes and overlaps the plurality of first touch electrodes and the plurality of second touch electrodes,
wherein the plurality of identification patterns are exposed at a gap space between each of the plurality of first touch electrodes and the plurality of second touch electrodes, and
wherein the plurality of bridge electrodes, the plurality of identification patterns, and the plurality of dummy patterns each have a three-layer structure of titanium/aluminum/titanium or molybdenum/aluminum/molybdenum.
16. The touch screen panel of claim 15 , wherein each of the plurality of first touch electrodes and the plurality of second touch electrodes includes a plurality of metal lines and has a mesh pattern structure where the plurality of metal lines intersects one another, and part of the plurality of identification patterns overlaps a metal line disposed in the outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes.
17. The touch screen panel of claim 16 , wherein each of the plurality of identification patterns has a line shape, a stepped shape, a dot line shape, or a curve shape.
18. The touch screen panel of claim 16 , wherein each of the plurality of identification patterns has a line width narrower than the metal line.
19. The touch screen panel of claim 15 , wherein each of the plurality of first touch electrodes and the plurality of second touch electrodes includes a plurality of metal lines and has a mesh pattern structure where the plurality of metal lines intersects one another, and each of the plurality of identification patterns has at least one protrusion or concave portion on one side surface of a metal line disposed in an outer portion of each of the plurality of first touch electrodes and the plurality of second touch electrodes.
20. The touch screen panel of claim 19 , wherein the at least one protrusion protrudes from the one side surface of the metal line to have a curve shape or a triangular shape, or the at least one concave portion is concavely recessed from the one side surface of the metal line to have a curve shape or a triangular shape.
21. The touch screen panel of claim 15 , wherein the plurality of dummy patterns includes a plurality of metal lines and has a mesh pattern structure where the plurality of metal lines intersects one another.