Display panel and method of manufacturing thereof

A display panel, comprising:

• a backlight module;
• a first substrate and a second substrate opposite to each other;
• a liquid crystal layer disposed between the first substrate and the second substrate;
• a color filter;
• a common electrode layer;
• a first insulating layer;
• a plurality of touch electrodes;
• and
• a plurality of conductive primary spacers;
• wherein the backlight module is disposed on a side of the first substrate away from the second substrate;
• wherein a pixel electrode layer and a plurality of touch signal traces are disposed on a side of the first substrate close to the second substrate;
• wherein the color filter layer, the common electrode layer, the first insulating layer, and the plurality of touch electrodes are disposed on a side of the second substrate close to the first substrate, the color filter layer is disposed between the second substrate and the first insulating layer, the common electrode is disposed on a side of the first insulating layer away from the substrate, and the plurality of touch electrodes are disposed between the color filter layer and the first insulating layer;
• and
• wherein the plurality of conductive primary spacers are disposed between the first substrate and the second substrate, one end of the plurality of conductive primary spacers is connected to the plurality of touch electrodes, and another end of the plurality of conductive primary spacers penetrates through the common electrode layer and a via hole of the first insulating layer to connect the plurality of touch electrodes.

A method of manufacturing a display panel, comprising following steps of:

• providing a first substrate;
• depositing a first metal layer on the first substrate;
• etching the first metal layer to form a gate;
• forming a gate insulating layer on the first substrate;
• forming an active layer on the gate insulating layer;
• depositing a second metal layer on the gate insulating layer;
• etching the second metal layer to form a source, a drain, and a touch signal trace;
• forming a pixel electrode layer on a side of the first substrate close to the second substrate;
• forming a plurality of conductive primary spacers on a side of the first substrate close to the second substrate;
• providing a second substrate;
• depositing a third metal layer on the second substrate;
• etching the third metal layer to form a touch electrode;
• forming a first insulating layer on the second substrate, wherein the first insulating layer covers the touch electrode;
• forming a common electrode layer on a side of the first insulating layer away from the second substrate;
• etching the common electrode layer and the first insulating layer to form a via hole exposing a part of the touch electrode;
• and
• attaching the first substrate to the second substrate.