Touch display panel
The disclosure relates to a touch display panel, including a first substrate, an organic light emitting diode (OLED) device layer, a spacer, a first touch electrode, a second touch electrode, and a second substrate opposite to the first substrate. The OLED device layer is disposed on the first substrate and has a light emitting area. The spacer is disposed on the OLED device layer and located outside the light emitting area. The first touch electrode and the second touch electrode are disposed on the OLED device layer. The first touch electrode has a first bridge part. The first bridge part of the first touch electrode is interlaced with the second touch electrode. In particular, at least a portion of the first bridge part is disposed on the spacer.
1. A touch display panel, comprising:
a first substrate;
an organic light emitting diode device layer, disposed on the first substrate and having a light emitting area;
a spacer, disposed on the organic light emitting diode device layer and located outside the light emitting area; and
a first touch electrode and a second touch electrode, disposed on the organic light emitting diode device layer, wherein the first touch electrode has a first bridge part, the first bridge part of the first touch electrode is crossed with and electrically insulated from the second touch electrode, and at least a portion of the first bridge part is disposed on the spacer and is raised by the spacer to be farther from the first substrate than the rest portion of the first bridge part,
wherein the second touch electrode comprises a plurality of second sensing parts and a second bridge part, the second bridge part is electrically connected between two adjacent second sensing parts, the first bridge part is crossed with and electrically insulated from the second bridge part, at least one of the first bridge part and the second bridge part is a zigzag line pattern, and the zigzag line pattern is away from the light emitting area by a distance.
2. The touch display panel as claimed in claim 1 , wherein the first touch electrode further comprises a plurality of first sensing parts, and the first bridge part is electrically connected between two adjacent first sensing parts.
3. The touch display panel as claimed in claim 2 , further comprising:
an insulating pattern, wherein the first sensing parts, the second sensing parts, and the second bridge part are disposed on the organic light emitting diode device layer, the insulating pattern covers the second bridge part, and the first bridge part crosses the insulating pattern to electrically connect the two adjacent first sensing parts.
4. The touch display panel as claimed in claim 2 , further comprising:
an insulating pattern, wherein the first bridge part is disposed on the organic light emitting diode device layer, the insulating pattern covers a portion of the first bridge part, the two adjacent first sensing parts cover two ends of the first bridge part, and the second bridge part of the second touch electrode is located on the insulating pattern.
5. The touch display panel as claimed in claim 2 , further comprising:
an insulating pattern, wherein the first sensing parts and the second sensing parts are disposed on the organic light emitting diode device layer, the second bridge part is located on the spacer, the insulating pattern covers the second bridge part, and the first bridge part crosses the insulating pattern to electrically connect the two adjacent first sensing parts.
6. The touch display panel as claimed in claim 2 , further comprising:
an insulating pattern, wherein the first bridge part is disposed on the organic light emitting diode device layer, the insulating pattern covers a portion of the first bridge part, the two adjacent first sensing parts cover two ends of the first bridge part, the second sensing parts are disposed on the organic light emitting diode device layer, and the second bridge part crosses the insulating pattern to electrically connect the two adjacent second sensing parts.
7. The touch display panel as claimed in claim 1 , wherein an end of the first bridge part is in an arc shape.
8. The touch display panel as claimed in claim 1 , wherein the second touch electrode comprises the second bridge part crossed with and electrically insulated from the first bridge part, and an end of the second bridge part is in an arc shape.
9. The touch display panel as claimed in claim 1 , wherein the first touch electrode further comprises a plurality of first sensing parts, the first bridge part is electrically connected between two adjacent first sensing parts, and an edge of a portion of one of the first sensing parts is in an arc shape.
10. The touch display panel as claimed in claim 1 , further comprising:
an encapsulation layer, covering the organic light emitting diode device layer, wherein the first touch electrode and the second touch electrode are disposed on the encapsulation layer.
11. The touch display panel as claimed in claim 10 , wherein the organic light emitting diode device layer comprises:
at least one active device, disposed on the first substrate;
a first display electrode, electrically connected with the at least one active device;
an insulating layer, covering the at least one active device and exposing an opening of the first display electrode; and
an organic light emitting pattern, contacting the opening of the insulating layer, so as to electrically connect with the first display electrode.
12. The touch display panel as claimed in claim 11 , further comprising:
a second display electrode, covering the organic light emitting pattern and electrically connected with the organic light emitting pattern.
13. The touch display panel as claimed in claim 12 , wherein the spacer is disposed on the insulating layer.
14. The touch display panel as claimed in claim 13 , wherein the second display electrode covers the spacer, an electrode protruding part is formed on the spacer, the encapsulation layer covers the second display electrode, an encapsulation protruding part is formed on the electrode protruding part, and the first bridge part is disposed on a protruding structure formed by the spacer, the electrode protruding part and the encapsulation protruding part.