Patent · US Active

Display apparatus having a groove formed in a protrusion of a planarization layer

US12336391B2 · kind B2 · utility

0Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 2022
Grant dateJun 17, 2025
Priority date
Expiry dateJun 30, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K59/121

Abstract

A display apparatus is provided, which includes a substrate having a plurality of subpixels, a planarization layer provided on the substrate, including a first area in which protrusions are formed and a second area positioned between the protrusions, a first electrode provided on the planarization layer, a light emitting layer provided on the first electrode, a second electrode provided on the light emitting layer, and a first groove provided on an upper portion of the protrusion, wherein the protrusion is provided between two adjacent subpixels, and the first electrode covers an entire surface of the second area and a portion of the protrusion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.