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Light-emitting device and electronic device using the same

  • US 9,461,258 B2
  • Filed: 08/08/2014
  • Issued: 10/04/2016
  • Est. Priority Date: 12/16/2004
  • Status: Active Grant
First Claim
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1. A light-emitting device comprising:

  • a first light-emitting element comprising a first light-emitting layer between a first electrode and a second electrode;

    a second light-emitting element comprising a second light-emitting layer between a third electrode and a fourth electrode;

    a third light-emitting element comprising a third light-emitting layer between a fifth electrode and a sixth electrode; and

    a fourth light-emitting element comprising the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer between a seventh electrode and an eighth electrode,wherein the first light-emitting layer is shared by the first light-emitting element and the fourth light-emitting element,wherein the first light-emitting layer is not included in the second light-emitting element and the third light-emitting element,wherein the first light-emitting layer is configured to emit a first color,wherein the second light-emitting layer is configured to emit a second color, andwherein the third light-emitting layer is configured to emit a third color.

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