Samsung Display Co., Ltd.

Won Ju Kwon

Hee Seong Jeong

Dal Ho Kim

Dong Jin Lee

Gi-Na Yoo

Sun Hwa Kim

Sang Min Hong

Na Ri Heo

Hyang Ki Sung

A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.

Display device including stacked capping layers

A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.

Display device

An OLED display including first, second, and third color pixels on a substrate, each including a first electrode, an organic emission layer, a second electrode, and a capping layer, in which the first color pixel emits green light, and each of the second and third color pixels emits a color of light other than green, the organic emission layer of the first color pixel includes first and second emission layers that emit light, the organic emission layer of the second or third color pixel includes a third emission layer that emit light, the second and third emission layers include both a host and a dopant, the first emission layer includes the host, but not any dopants therein, and the second emission layer is disposed on the first electrode, and the first emission layer is disposed on the second emission layer.

Organic light emitting diode display including capping layer having optical thickness for improving optics

An OLED display including first, second, and third color pixels each including a first electrode, an organic emission layer, a second electrode, and a capping layer disposed on the disposed on the substrate, in which the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green, the organic emission layer of the first color pixel includes a first emission layer and a second emission layer each being configured to emit light, the organic emission layer of the second color pixel or in the third color pixel includes a third emission layer configured to emit light, the second emission layer and the third emission layer include both a host and a dopant, and the first emission layer includes the host, and does not include any dopants therein.

Growing community of inventors

Cheonan-si, South Korea

Won Ju Kwon