| abstract |
The invention describes a display device and a preparation method thereof. The display device comprises: a substrate; a driving circuit layer, the driving circuit layer including pins located in a non-display area; a light emitting device layer; a first inorganic encapsulation layer; a touch sensing unit including a touch insulating layer; a protective layer; wherein the projected edges of the first inorganic encapsulation layer and the protective layer on the substrate overlap, or the projected contour of the touch insulating layer on the substrate is the same, And the projection of the first inorganic encapsulation layer and the protective layer/touch insulating layer on the substrate does not cover the pins. In the patterning process, the same mask is used for the first inorganic encapsulation layer and the protective layer/touch insulating layer, which saves the mask and the etching process, greatly improves the production efficiency and saves the cost. |