Patent · US Active

Organic EL display device

US10355244B2 · kind B2 · utility

1Cited by
0References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 2018
Grant dateJul 16, 2019
Priority date
Expiry dateJul 31, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/351

Abstract

A the organic EL display 1 includes: a first substrate 10; an organic EL element 4 provided above the first substrate 10; and a multilayer sealing film 2 provided above the first substrate 10 to cover the organic EL element 4, and including a barrier layer and a buffer layer lower in hardness than the barrier layer. The organic EL element covered with the multi layer sealing film includes a protrusion, and a relationship (d/h)<2 holds where h is a height of the protrusion directly below the buffer layer and d is a thickness of the buffer layer.

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