×

LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, LIGHTING DEVICE, DISPLAY DEVICE, DISPLAY PANEL, AND ELECTRONIC APPLIANCE

  • US 20160043146A1
  • Filed: 08/07/2015
  • Published: 02/11/2016
  • Est. Priority Date: 08/08/2014
  • Status: Active Grant
First Claim
Patent Images

1. A light-emitting device comprising:

  • a first light-emitting element comprising;

    a first electrode;

    an EL layer over the first electrode; and

    a second electrode over the EL layer; and

    a second light-emitting element comprising;

    a third electrode;

    the EL layer over the third electrode; and

    the second electrode over the EL layer,wherein the EL layer comprises a first light-emitting layer, a first layer over and in contact with the first light-emitting layer, and a second light-emitting layer over and in contact with the first layer,wherein the first light-emitting layer has a different structure from the second light-emitting layer, andwherein the first light-emitting element and the second light-emitting element are different in a carrier-injection property.

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