Lg display co., ltd. (20240260422). ORGANIC LIGHT EMITTING DISPLAY APPARATUS

ORGANIC LIGHT EMITTING DISPLAY APPARATUS

Organization Name

lg display co., ltd.

Inventor(s)

JiYoung Ahn of Paju-si KR

ORGANIC LIGHT EMITTING DISPLAY APPARATUS

This abstract first appeared for US patent application 20240260422 titled 'ORGANIC LIGHT EMITTING DISPLAY APPARATUS

Original Abstract Submitted

an organic light emitting display apparatus includes a plurality of pixels on a substrate, each including a plurality of subpixels each including an emission area, a planarization layer including a light extraction pattern which is at the emission area of each of the plurality of subpixels and includes a plurality of concave portions and a convex portion surrounding each of the plurality of concave portions, a light emitting device layer on the light extraction pattern, and a phase grating portion between the substrate and the light extraction pattern to overlap the emission area of each of the plurality of subpixels.