Lg Display Co., Ltd.

Lg Chem, Ltd

Jina You

Jeamin Moon

Mun Kyu Joo

Minsoo Kang

Yun Hye Hahm

Jaein Lee

Seongsu Jang

Jaemin Moon

JungHyoung Lee

Min Choon Park

SunHee Lee

Juhyuk Kwon

Wonik Jeong

JangDae Youn

Ok Geun Kim

A light emitting device includes a substrate; a first electrode disposed on the substrate; an organic material layer disposed on the first electrode and including a first resonance auxiliary layer; and a second electrode disposed on the organic material layer, wherein the first resonance auxiliary layer includes a first compound with a lowest unoccupied molecular orbital (LUMO) level of −4 eV or less and a second compound with a highest occupied molecular orbital (HOMO) level of −4 eV or less, and wherein the first resonance auxiliary layer has a thickness of 20% to 90% of a total thickness of the organic material layer.

Light emitting device and lighting device comprising resonance auxiliary layer

An aspect of the present disclosure relates to an electronic device, and more particularly, to an electronic device that may include: a substrate; a plurality of light emitting devices, disposed on the substrate; a wavelength converting layer, disposed on the substrate, wherein the plurality of the light emitting devices emit a light of same color, wherein light emitted from the light emitting devices is converted by going through the wavelength converting layer, wherein the converted light is extracted to outside of the electronic device, and has a wavelength longer than that of the light emitted from the light emitting devices. Through this, an electronic device can be provided emitting light having a wavelength from which effects of inflammation treatments and skin regeneration can be acquired.

Electronic device

A lighting device comprises a substrate including an active area; a first electrode disposed on the substrate and including a transparent conductive material; an organic material layer disposed on the first electrode and including a first light emitting layer and a second light emitting layer; and a second electrode disposed on the organic material layer and including a reflective material, wherein the first light emitting layer emits light having a first wavelength and the second light emitting layer emits light having a second wavelength, and wherein the second light emitting layer includes a first dopant absorbing the light having the first wavelength and emitting the light having the second wavelength.

Lighting device comprising plurality of light emitting layers

An electronic device for skin management or skin treatments including an active area including a light emission area and a non-light emission area comprises a plurality of organic light emitting devices disposed in the light emission area and emitting same color light; and first to third wavelength converting layers overlapping the light emission area and a part of the non-light emission area, wherein light emitted from the plurality of organic light emitting devices is extracted to outside the electronic device through the first to third wavelength converting layers.

Electronic device for skin management or skin treatments

The present specification discloses an organic electroluminescent device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and a light scattering layer provided between the light emitting layer and the cathode.

Organic light emitting diode

The present application describes an organic light emitting device including a first layer, a second layer, and a third layer between a cathode and a light emitting layer or between light emitting units, in which the first layer includes an n-type organic material or metal oxide, the second layer includes a barrier material, and the third layer includes an n-type dopant.

Organic light-emitting element

The present invention relates to an organic light emitting device, and comprises a first cathode, a second cathode, and an anode provided between the first cathode and the second cathode, in which a first light emitting unit is provided between the first cathode and the anode, a second light emitting unit is provided between the second cathode and the anode, and the first light emitting unit and the second emitting unit are connected in parallel with each other, the first light emitting unit comprises a first light emitting layer, and an organic material layer comprising the compound represented by Formula 1 is provided between the first light emitting layer and the anode, and the second light emitting unit comprises a second light emitting layer, and an organic material layer comprising the compound represented by Formula 1 is provided between the second light emitting layer and the anode.

The present specification relates to an organic light emitting device and a lighting apparatus comprising the same. An organic light emitting device according to an exemplary embodiment of the present specification is an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, and is characterized in that at least one layer of the organic material layers is a light emission layer comprising a first light emission material and a second light emission material, and a maximum light emission peak wavelength &#x3bb;max of the second light emission material has a gap of 40 to 80 nm compared to a maximum light emission peak wavelength &#x3bb;max of the first light emission material.

Organic light emitting device and lighting apparatus comprising the same

The present specification discloses an organic electroluminescent device including an anode, a cathode, a light emitting layer provided between the cathode and the anode, a first p-type organic material layer provided between the cathode and the light emitting layer, and a first n-type organic material layer provided between the first p-type organic material layer and the light emitting layer.

An organic light emitting device includes a first electrode, a second electrode, and two or more organic material layers provided between the first electrode and the second electrode. The organic material layer includes a light emitting layer, and a mixed layer including one or more hole transfer materials and one or more electron transfer materials.

Organic light-emitting device

The present specification discloses an organic electroluminescent device including: a substrate; a cathode provided on the substrate; a light emitting layer provided on the cathode; an anode provided on the light emitting layer; a first p-type organic material layer provided between the cathode and the light emitting layer; and a first n-type organic material layer provided between the first p-type organic material layer and the light emitting layer.

Organic electroluminescent device

The present specification discloses an organic electroluminescent device including: an anode; a cathode; and two or more light emitting units provided between the anode and the cathode and including a light emitting layer, in which a light emitting unit among the light emitting units, which is the most associated with the cathode, includes a first n-type organic material layer provided on the cathode side of the light emitting layer, and a first p-type organic material layer is provided between the light emitting unit among the light emitting units, which is the most associated with the cathode, and the cathode.

Stacked organic light emitting diode

An organic electroluminescent device includes an anode, a cathode, a light emitting layer provided between the anode and the cathode, a first organic material layer being in physical contact with the anode and doped with a p-type dopant, and a second organic material layer being in physical contact with the cathode and doped with a p-type dopant. The concentration of the p-type dopant in the first organic material layer is 50% by weight or more and less than 100% by weight.

Growing community of inventors

Daejeon, South Korea

Jina You