Touch display device with reflection reducing layer

A touch display device, comprising:

• a substrate;
• a plurality of display units, disposed on the substrate and forming a display region, wherein the display region has a first outline;
• an insulating layer, disposed on the display units and covering the plurality of display units;
• a plurality of touch units, disposed on the insulating layer and forming a touch region, wherein the touch region has a second outline;
• and
• a reflection reducing layer, disposed on the touch units and in contact with the touch units, wherein the reflection reducing layer has a third outline;
• wherein the first outline and the second outline are located within the third outline in a view of a first direction perpendicular to the substrate, and the insulating layer is in contact with a portion of the substrate,
• wherein the reflection reducing layer is in contact with at least a portion of the insulating layer and at least a portion of the substrate.