Organic electroluminescence element and planar light-emitting body each having light extraction sheet

摘要

Provided is an organic EL element having both excellent light extraction efficiency and excellent weather resistance. The organic EL element (10) has a configuration comprising: an organic EL element main body (1) including an organic compound layer (13) including a light-emitting layer; and a light extraction sheet (2) provided on the light-extraction side of the organic EL element main body (1). In addition, the organic EL element (10) is characterized by: the light extraction sheet (2) including a silicon compound; the haze value of the light extraction sheet (2) being at least 90; and the total light transmittance of the light extraction sheet (2) being at least 80%.

主权项

1. An organic electroluminescence element, comprising:
an organic electroluminescence element main body having an element substrate, a first electrode formed on the element substrate, an organic compound layer that is formed on the first electrode and includes a light-emitting layer, and a second electrode formed on the organic compound layer; and a light extraction sheet provided on a light-extraction side of the organic electroluminescence element main body, wherein the light extraction sheet contains a silicon compound, a binder, and a bromine-containing compound, and a haze value of the light extraction sheet measured by a method specified in ISO 14782 released in 1999 is 90% or more, and a value of a total light transmittance of the light extraction sheet measured by a method specified in ISO 13486-1 released in 1996 is 80% or more.