OLED display panel
View Patent ↗The present disclosure provides an organic light emitting diode (OLED) display panel including a thin film transistor (TFT) layer, a planarization layer, a plurality of anodes, and a touch control module that are sequentially formed on the substrate. The touch control module is positioned in a gap between any two adjacent anodes. The display panel further includes a pixel defining layer disposed at least at two sides of the touch control module, wherein the pixel defining layer in combination with the touch control module defines a pixel area; a light-emitting layer disposed on the anodes to correspond to the pixel area; and a plurality of cathodes, arranged in an array, on the light-emitting layer. The touch control module is positioned in a gap between any two adjacent cathodes.
1. An organic light emitting diode (OLED) display panel, comprising:
a substrate;
a thin film transistor (TFT) layer disposed on the substrate;
a planarization layer disposed on the TFT layer;
a plurality of anodes, arranged in an array, on the planarization layer;
a touch control module positioned in a gap between any two adjacent anodes;
a pixel defining layer disposed at least at two sides of the touch control module, wherein the pixel defining layer in combination with the touch control module defines a pixel area;
a light-emitting layer, disposed on the anodes, to correspond to the pixel area;
a plurality of cathodes, arranged in an array, on the light-emitting layer; and
a thin film encapsulation layer disposed on the cathodes to encapsulate the light-emitting layer;
wherein the touch control module is positioned in a gap between any two adjacent cathodes; and
wherein the touch control module includes a first insulation layer, a metal grid touch control layer, a second insulation layer, a bridging layer, and a third insulation layer that are stacked from bottom to top.
2. The OLED display panel according to claim 1 , wherein the metal grid touch control layer is insulated from the anodes by the first insulation layer.
3. The OLED display panel according to claim 1 , wherein the metal grid touch control layer includes a plurality of touch control electrodes and a plurality of sensing electrodes insulated from each other, and a connection line; a through-hole is disposed in the second insulation layer, the sensing electrodes in a same row or column are connected to each other by the connection line, the touch control electrodes in a same row or column are connected to each other by the bridging layer via the through-hole.
4. The OLED display panel according to claim 3 , wherein both the touch control electrodes and the sensing electrodes are composed of a grid shaped metal wire, and position of the through-hole corresponds to an intersection of the grid shaped metal wires.
5. The OLED display panel according to claim 1 wherein the first insulation layer, the second insulation layer, and the third insulation layer tightly seal the metal grid touch control layer.
6. The OLED display panel according to claim 1 , wherein the pixel defining layer is disposed on the touch control module to encapsulate the touch control module.
7. The OLED display panel according to claim 1 , wherein a width of the touch control module is less than or equal to a width of the gap between any two adjacent cathodes.
8. The OLED display panel according to claim 1 , wherein a height of the touch control module is greater than 1.5 μm.
9. An organic light emitting diode (OLED) display panel, comprising:
a substrate;
a thin film transistor (TFT) layer disposed on the substrate;
a planarization layer disposed on the TFT layer;
a plurality of anodes, arranged in an array, on the planarization layer;
a touch control module positioned in a gap between any two adjacent anodes;
a pixel defining layer disposed at least at two sides of the touch control module, wherein the pixel defining layer in combination with the touch control module defines a pixel area;
a light-emitting layer, disposed on the anodes, to correspond to the pixel area; and
a plurality of cathodes, arranged in an array, on the light-emitting layer;
wherein the touch control module is positioned in a gap between any two adjacent cathodes; and
wherein the touch control module includes a first insulation layer, a metal grid touch control layer, a second insulation layer, a bridging layer, and a third insulation layer that are stacked from bottom to top.
10. The OLED display panel according to claim 9 , wherein the metal grid touch control layer is insulated from the anodes by the first insulation layer.
11. The OLED display panel according to claim 9 , wherein the metal grid touch control layer includes a plurality of touch control electrodes and a plurality of sensing electrodes insulated from each other, and a connection line; a through-hole is disposed in the second insulation layer, the sensing electrodes in a same row or column are connected to each other by the connection line, the touch control electrodes in a same row or column are connected to each other by the bridging layer via the through-hole.
12. The OLED display panel according to claim 11 , wherein both the touch control electrodes and the sensing electrodes are composed of a grid shaped metal wire, and position of the through-hole corresponds to an intersection of the grid shaped metal wires.
13. The OLED display panel according to claim 9 , wherein the first insulation layer, the second insulation layer, and the third insulation layer tightly seal the metal grid touch control layer.
14. The OLED display panel according to claim 9 , wherein the pixel defining layer is disposed on the touch control module to encapsulate the touch control module.
15. The OLED display panel according to claim 9 , wherein a width of the touch control module is less than or equal to a width of the gap between any two adjacent cathodes.
16. The OLED display panel according to claim 9 , wherein a height of the touch control module is greater than 1.5 μm.