Touch control display panel, touch control display apparatus, counter substrate, and method of fabricating touch control display panel

A counter substrate having a subpixel region and an inter-subpixel region, comprising:

• a base substrate;
• a first black matrix layer on the base substrate;
• a plurality of touch electrodes on the base substrate;
• and
• a second black matrix layer on a side of the plurality of touch electrodes away from the first black matrix layer;
• wherein the first black matrix layer, the second black matrix layer, and the plurality of touch electrodes are in the inter-subpixel region;
• an orthographic projection of the first black matrix layer on the base substrate substantially covers an entirety of an orthographic projection of the plurality of touch electrodes on the base substrate;
• and
• an orthographic projection of the second black matrix layer on the base substrate substantially covers the entirety of the orthographic projection of the plurality of touch electrodes on the base substrate;
• wherein the plurality of touch electrodes comprise a first touch electrode layer and a second touch electrode layer;
• the first touch electrode layer comprises a plurality of first touch electrodes on a side of the first black matrix layer away from the base substrate;
• the second touch electrode layer comprises a plurality of second touch electrodes on a side of the first touch electrode layer away from the first black matrix layer;
• the counter substrate further comprises an insulating layer between the first touch electrode layer and the second touch electrode layer;
• the orthographic projection of the first black matrix layer on the base substrate substantially covers an entirety of an orthographic projection of the plurality of first touch electrodes on the base substrate and substantially covers an entirety of an orthographic projection of the plurality of second touch electrodes on the base substrate;
• and
• the orthographic projection of the second black matrix layer on the base substrate substantially covers an entirety of the orthographic projection of the plurality of first touch electrodes on the base substrate and substantially covers an entirety of the orthographic projection of the plurality of second touch electrodes on the base substrate.

A method of fabricating a touch control display panel having a subpixel region and an inter-subpixel region, comprising:

• forming an array substrate;
• forming a counter substrate;
• and
• assembling the array substrate and the counter substrate into a cell;
• wherein forming the counter substrate comprises:
• forming a first black matrix layer on a base substrate;
• forming a plurality of touch electrodes on the base substrate;
• and
• forming a second black matrix layer on a side of the plurality of touch electrodes away from the first black matrix layer;
• wherein the first black matrix layer, the second black matrix layer, and the plurality of touch electrodes are formed to be in the inter-subpixel region;
• an orthographic projection of the first black matrix layer on the base substrate substantially covers an entirety of an orthographic projection of the plurality of touch electrodes on the base substrate;
• and
• an orthographic projection of the second black matrix layer on the base substrate substantially covers the entirety of the orthographic projection of the plurality of touch electrodes on the base substrate;
• wherein forming the plurality of touch electrodes comprises:
• forming a first touch electrode layer comprising a plurality of first touch electrodes on the base substrate;
• forming an insulating layer on a side of the first touch electrode layer away from the base substrate;
• and
• forming a second touch electrode layer comprising a plurality of second touch electrodes on a side of the insulating layer away from the first touch electrode layer;
• wherein the orthographic projection of the first black matrix layer on the base substrate substantially covers an entirety of an orthographic projection of the plurality of first touch electrodes on the base substrate and substantially covers an entirety of an orthographic projection of the plurality of second touch electrodes on the base substrate;
• and
• the orthographic projection of the second black matrix layer on the base substrate substantially covers an entirety of the orthographic projection of the plurality of first touch electrodes on the base substrate and substantially covers an entirety of the orthographic projection of the plurality of second touch electrodes on the base substrate.