Lg Display Co., Ltd.

YongCheol Kim

Wonhoe Koo

Kyunghoon Han

Dongmin Sim

Jaeho Lee

Hyekyung Choi

YoungDock Cho

MiKyung Park

Kyung Hoon Han

A display device includes, a light emitting element which is disposed in each of a plurality of subpixels and includes a first blue light emitting layer, a green light emitting layer on the first blue light emitting layer, and a second blue light emitting layer on the green light emitting layer; a first light conversion layer disposed in a first subpixel among the plurality of subpixels; and a second light conversion layer disposed in a second subpixel among the plurality of subpixels and having higher light conversion efficiency than the first light conversion layer, thus, the second light conversion layer having high light conversion efficiency is disposed in the second subpixel which is a red subpixel, thereby improving the luminance of the red light.

Display device display device with subpixels including a white quantum dot

According to the present disclosure, the light distribution of a light emitting display apparatus is effectively controlled by asymmetrically disposing a protruding portion of a curved surface area of the light emitting display apparatus to minimize a degradation of a luminance in the curved surface area and a difference in a color sense between a flat surface area and the curved surface area of the light emitting display apparatus.

Light emitting display apparatus

An organic light emitting diode which suppresses external light reflection while reducing loss of light generated in an organic light emitting layer is disclosed. An organic light emitting diode includes a substrate, an anode on the substrate, a bank on the anode and exposing a part of the anode to define an emission area, an organic light emitting layer on the emission area and the bank, a cathode on the organic light emitting layer, a plurality of light shielding patterns on the cathode and overlapping the bank, and a light loss inducing layer located on a same plane as the plurality of light shielding patterns and disposed between a pair of light shielding patterns from the plurality of light shielding patterns, the light loss inducing layer having has a same thickness as a thickness of that of the plurality of light shielding patterns, and overlaps the emission area.

Organic light emitting diodes

A light emitting display apparatus according to an exemplary embodiment of the present disclosure includes an insulating layer on a substrate and including a base portion and a protrusion portion having an uneven portion at a part of the base portion, a first electrode covering an upper portion of the base portion and a side portion and a upper portion of the protrusion portion and disposed along the shape of the uneven portion, a bank layer covering a part of the insulating layer and a part of the first electrode, and an emission layer on the first electrode and the bank layer, and a second electrode on the emission layer.

A light emitting display apparatus includes a substrate including a plurality of sub-pixels, each of the plurality of sub-pixels including a light emitting area and a reflective area surrounded by the light emitting area, an overcoating layer on the substrate, a partition at the reflective area on the overcoating layer, a light emitting element at the light emitting area on the overcoating layer, and a reflective part on the partition and formed of a same material as the light emitting element.

A light emitting display apparatus can include an insulating layer on a substrate and the insulating layer includes a base portion and a protrusion portion. The light emitting display apparatus further includes a first electrode covering an upper portion of the base portion and a side portion and an upper portion of the protrusion portion. The light emitting display apparatus further includes a bank layer covering a portion of the insulating layer and a portion of the first electrode and having a concave portion. The light emitting display apparatus further includes a light emitting layer on the first electrode and the bank layer, and a second electrode on the light emitting layer.

An organic light emitting display apparatus includes a first electrode on a substrate and a plurality of organic layers on the first electrode and including a first region and a second region. The organic light emitting display apparatus further includes a second electrode on the plurality of organic layers. A thickness of the plurality of organic layers in the first region can be different from a thickness of the plurality of organic layers in the second region.

Growing community of inventors

Goyang-si, South Korea

YongCheol Kim