18966133. LIGHT-EMITTING DISPLAY DEVICE (LG DISPLAY CO., LTD.)
LIGHT-EMITTING DISPLAY DEVICE
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Inventor(s)
LIGHT-EMITTING DISPLAY DEVICE
This abstract first appeared for US patent application 18966133 titled 'LIGHT-EMITTING DISPLAY DEVICE
Original Abstract Submitted
A light-emitting display device includes: a substrate; a plurality of pixels on the substrate, each pixel including an opening area; a light extraction pattern disposed in each opening area, the light extraction pattern including a plurality of concave portions spaced apart from each other, and a protruding portion surrounding each of the plurality of concave portions; and a light-emitting device layer including a light-emitting layer over the light extraction pattern, and a non-emission area overlapping a top portion of the protruding portion between the two adjacent concave portions.