Cantor Colburn LLP
Display device and manufacturing method thereof
A display device includes a substrate, a switching transistor and a driving transistor positioned on the substrate, a first electrode connected to the driving transistor, a second electrode positioned on the first electrode, and a pixel definition layer positioned between the first electrode and the second electrode, where the pixel definition layer includes a first portion, and a second portion having a thickness less than that of the first portion, where a pixel opening defined in the pixel definition layer is enclosed by the first portion, and the second portion overlaps the first electrode and the second electrode.
SAMSUNG DISPLAY CO., LTD.
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Se Wan Jung Hwa Ji Seon Wang Woo Jin Sung Moo Soon
Son Kim Lee Lee An Ko