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Organic Compound, Light-Emitting Element, Display Module, Lighting Module, Light-Emitting Device, Display Device, Electronic Device, and Lighting Device

  • US 20150243892A1
  • Filed: 02/19/2015
  • Published: 08/27/2015
  • Est. Priority Date: 02/21/2014
  • Status: Abandoned Application
First Claim
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1. A light-emitting element comprising:

  • a pair of electrodes; and

    an EL layer between the pair of electrodes;

    wherein the EL layer comprises at least a light-emitting material,wherein the light-emitting material is a 1,6-bis(diphenylamino)pyrene derivative, andwherein a structural change between an excited state and a ground state in the 1,6-bis(diphenylamino)pyrene derivative is smaller than that in a 1,6-bis(diphenylamino)pyrene derivative in which hydrogen is bonded to ortho positions of two phenyl groups of each of two diphenylamino groups.

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