| CPC H10K 59/353 (2023.02) [H10K 59/122 (2023.02); H10K 59/123 (2023.02); H10K 59/124 (2023.02); H10K 59/352 (2023.02)] | 20 Claims | 

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               1. A display device, comprising: 
            a substrate; 
                a transistor disposed on the substrate, the transistor including an active layer, a gate electrode, a source electrode, and a drain electrode; 
                a first insulating layer disposed on the transistor and directly contacting an upper surface of at least one of the source electrode and the drain electrode of the transistor; 
                a second insulating layer disposed on and directly contacting the first insulating layer, the second insulating layer being of integral single-piece construction; 
                a first pixel electrode and a second pixel electrode disposed on the second insulating layer to be adjacent to each other; and 
                a third insulating layer disposed on the second insulating layer, a portion of the third insulating layer disposed above a top surface of the first pixel electrode and the second pixel electrode, wherein 
                the second insulating layer includes a first opening disposed between the first pixel electrode and the second pixel electrode, 
                the first insulating layer includes a portion that completely overlaps the first opening, 
                the third insulating layer includes a portion that directly contacts the first insulating layer, and 
                the third insulating layer includes a groove or an opening that overlaps the first opening. 
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