×

Organic light-emitting display device and method of preparing the same

  • US 9,054,057 B2
  • Filed: 08/01/2013
  • Issued: 06/09/2015
  • Est. Priority Date: 04/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. An organic light-emitting display device, comprising:

  • a substrate;

    an organic light-emitting portion on the substrate;

    a first inorganic film covering the organic light-emitting portion, the first inorganic film comprising a porous inorganic material and dispersed inorganic materials in the pores of the porous inorganic material; and

    a second inorganic film on the first inorganic film and comprising a low temperature viscosity transition inorganic material,wherein a coefficient of thermal expansion of the first inorganic film is smaller than a coefficient of thermal expansion of the second inorganic film.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×