Patent ID: 9570520
Date: 2017-02-14
CPC Classifications: H01L

Claim:
1. A light emitting device, comprising: a first electrode; a hole transport area on the first electrode; a first light emitting layer on the hole transport area, the first light emitting layer emitting a first color, and having a first thickness; a second light emitting layer adjacent to one side of the first light emitting layer, the second light emitting layer emitting a second color, and having a second thickness; a first shadow layer on the first light emitting layer, the first shadow layer having a thickness corresponding to about 1% of the second thickness; an electron transport area on the first light emitting layer, the second light emitting layer, and the first shadow layer; and a second electrode on the electron transport area, wherein the first light emitting layer includes a first host material and a first dopant material, and the second light emitting layer includes a second host material and a second dopant material, and wherein the first shadow layer includes the second host material and the second dopant material.