Patent · US Active

Organic EL display device

US10069110B2 · kind B2 · utility

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17Claims
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Key dates

Filing dateNov 30, 2015
Grant dateSep 4, 2018
Priority date
Expiry dateNov 30, 2035

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 multilayer 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.