Lg Display Co., Ltd.

Lg Diplay Co., Ltd.

TaeJoon Song

Namkook Kim

Shinbok Lee

Soonsung Yoo

Hwankeon Lee

Jongmin Kim

Jungeun Lee

Kyu-Hwang Lee

Taeok Kim

Chulho Kim

Kyungha Lee

Kyunghoon Lee

ChulHo Kim

Seunglyul Lee

Jejun Park

Shin-Bok Lee

Youngkyun Moon

Seunghyun Youk

A lighting device comprises an organic light emitting panel, an inorganic light emitting diode on the organic light emitting panel, and a first lens structure at least partially surrounding the inorganic light emitting diode. The organic light emitting panel may include a base substrate, an auxiliary electrode on the base substrate, a first electrode on the auxiliary electrode, a passivation layer on the first electrode, a light emitting layer on the first electrode, a second electrode on the light emitting layer, and an encapsulation layer on the second electrode.

Lighting device comprising organic light emitting panel and inorganic light emitting diode

A lighting apparatus using an organic light emitting diode that has an emission area and a non-emission area, the light emitting apparatus comprises a first electrode; an organic layer disposed on the first electrode; a second electrode disposed on the organic layer; and an insulating layer disposed in the non-emission area, wherein the first electrode disposed in the emission area includes at least one metal layer and at least one dielectric layer, and wherein the first electrode disposed in the non-emission area includes at least one dielectric layer.

Lighting apparatus using organic light emitting diode

The present application relates to an OLED panel for a lighting device and a method of manufacturing the same. An OLED panel for a lighting device includes: a substrate; a auxiliary wiring pattern having a plurality of wiring lines disposed on the substrate; a first electrode disposed on the substrate where the auxiliary wiring pattern is disposed, and having a planarized upper surface; a passivation layer disposed on the first electrode and disposed at least in an area above the auxiliary wiring pattern; an OLED emission structure disposed on the first electrode; and a second electrode disposed on the OLED emission structure. In the OLED panel for a lighting device, luminance uniformity may be improved through a dual auxiliary wiring pattern, and the upper surface of the first electrode is planarized. Accordingly, the area of the passivation layer is reduced, and thus a light-emitting area may be increased.

OLED panel for lighting device and method of manufacturing the same

The present disclosure relates to an electroluminescent lighting device. The present disclosure provides an electroluminescence light device comprising: a substrate including an emission area and a non-emission area surrounding the emission area; a routing line surrounding the emission area at the non-emission area; an auxiliary line being disposed in the emission area, connecting the routing line and defining a pixel area; a reflective electrode disposed within the pixel area; a high resistance layer covering the routing line, the auxiliary line and the reflective electrode; an emission layer on the high resistance layer over the emission area; and a cathode layer on the emission layer.

Electroluminescent lighting device

The present disclosure relates to an electroluminescent lighting device having high aperture ratio. The present disclosure provides an electroluminescent light device comprising: a substrate having an emission area and a non-emission area surrounding the emission area; a power line disposed in the emission area and defining an open area; a buffer layer covering the substrate having the power line; a power contact hole formed at the buffer layer for exposing some of the power line; an anode layer disposed on the buffer layer and contacting the power line through the power contact hole; a passivation layer covering the power contact hole on the anode layer; an emission layer on the anode layer; and a cathode layer on the emission layer.

Electroluminescent lighting device having high aperture ratio

A lighting apparatus using an organic light emitting diode that has a first area and a second area, the lighting apparatus comprises a substrate; an auxiliary line disposed in the first area on the substrate; a plurality of barrier layers disposed in the second area on the substrate; a first electrode disposed on the auxiliary line and the plurality of barrier layers; an organic layer disposed on the first electrode; and a second electrode disposed on the organic layer.

Lighting apparatus using organic light emitting diode and manufacturing method thereof

A flexible OLED panel for a lighting device according to the present invention includes a substrate which is made of a polymer material and has a first light extracting pattern provided on a lower surface thereof; an auxiliary wiring pattern which is arranged on the substrate; a first electrode which is arranged on the substrate on which the auxiliary wiring pattern is arranged; a passivation layer which is arranged on the first electrode, at least on an area on which the auxiliary wiring pattern is arranged; an OLED light emitting structure which is arranged on the first electrode on which the passivation layer is arranged; a second electrode which is arranged on the OLED light emitting structure; and an encapsulation layer which is arranged on the second electrode.

Flexible OLED panel for lighting device and method of manufacturing same

A lighting device is provided. The lighting device may include an organic light emitting diode arranged on one surface of a first substrate, the organic light emitting diode including a first electrode, an organic light emitting layer and a second electrode, and the first electrode is made of a transparent conductive material having a resistance value of 2,800-5,500&#x3a9; in each pixel, and has light scattering particles dispersed therein. Thus, even when a resistor of the organic light emitting layer is removed from a pixel due to a contact between the first electrode and the second electrode, it is possible to prevent an over current from being applied to the corresponding pixel through a resistor of the first electrode.

Organic light emitting diode and method of manufacturing the same

In a roll to roll fabricating system, a plurality of deposition units are provided, and a turning unit is disposed between the deposition units. The deposition units include: a deposition drum on which a film is wound; and one or more evaporators disposed to face the deposition drum, and configured to deposit the film wound on the deposition drum. The turning unit includes a plurality of turning rolls, and is configured to turn the film output from one deposition unit, to guide the film, and to supply the film to another deposition unit.

Roll to roll fabricating system having turning unit

A lighting apparatus using an organic light emitting diode that has a first area and a second area, the lighting apparatus comprises a substrate; a barrier layer disposed on the substrate; an auxiliary line disposed in the first area on the substrate; a first electrode disposed on an entire surface of the substrate; an organic layer disposed on the first electrode; and a second electrode disposed on the organic layer, wherein the barrier layer includes a first inorganic barrier layer, an organic barrier pattern disposed in the second area, and a second inorganic barrier layer.

Discussed is an organic light emitting diode (OLED) lighting apparatus including a substrate; an auxiliary wiring disposed on the substrate; a protective layer configured to cover the auxiliary wiring; a first electrode disposed between the auxiliary wiring and the protective layer to be in direct contact with the auxiliary wiring, the first electrode including a first layer and a second layer, the first layer having a first resistance, and the second layer being configured to cover the first layer and the protective layer and having a second resistance higher than the first resistance; an organic light emitting layer disposed on the first electrode; and a second electrode disposed on the organic light emitting layer.

OLED lighting apparatus having a double layered electrode

An organic light emitting diode (OLED) lighting apparatus capable of improving lighting efficiency and lifetime by maximizing a light emitting area is disclosed. The OLED lighting apparatus may include a first electrode, which is provided with an embossing pattern at an interface at which the first electrode contacts an overcoat layer on a substrate. The first electrode may be made of a high refractive transparent conductive material, and may be arranged in an entire active area of the OLED lighting apparatus. The OLED lighting apparatus can improve light extraction efficiency through a light scattering due to a microlens effect through the first electrode provided with the embossing pattern, which facilitates elimination of a light extraction layer arranged at the interface between the substrate and the overcoat layer, thereby reducing a process yield and manufacturing cost.

Light apparatus for organic light emitting device

An OLED panel for a lighting device is provided. The OLED panel for a lighting device may include a substrate; a first auxiliary wiring pattern disposed on the substrate; a first electrode disposed on a substrate on which the first auxiliary wiring pattern is disposed; a passivation layer disposed on the first electrode within an area where the first auxiliary wiring pattern is disposed; a second auxiliary wiring pattern disposed on the passivation layer to form a plurality of areas partitioned from each other; an OLED light emitting structure disposed in the plurality of areas partitioned by the second auxiliary wiring pattern; a second electrode disposed on the OLED light emitting structure and the second auxiliary wiring pattern; and, an encapsulating layer disposed on the second electrode. The OLED panel for a lighting device may form the respective OLED light emitting structures in an island shape, thereby improving luminance uniformity.

Disclosed herein is an OLED lighting apparatus which can achieve both improvement in reliability and reduction in manufacturing cost. In the OLED lighting apparatus, an encapsulation layer is disposed over the active area and the non-active area on a buffer layer, such that a pad disposed in the non-active area of the buffer layer can be stably secured by the encapsulation layer bonded thereto. Accordingly, upon tape automated bonding between an FPCB substrate with a COF tape attached thereto and a via electrode, the COF tape does not directly contact the pad but contacts the via electrode connected to the pad, particularly a connection terminal of the via electrode disposed on an upper surface of the encapsulation layer, thereby establishing electrical connection between the FPCB substrate and the via electrode. In this way, the connection terminal of the via electrode is electrically connected to the FPCB substrate via the COF tape, whereby a signal from the outside can be applied to the pad connected to the via electrode.

OLED lighting apparatus

According to a lighting apparatus using an organic light emitting diode of the present disclosure and a manufacturing method thereof, a transparent high resistance conductive layer is used for an anode instead of ITO to control the concentrated current due to the short and the anode of the emission area lowers the resistance through the post-treatment to suppress the lowering of luminance. Further, the auxiliary electrode is formed of a transparent nanowire and the first protective layer above the auxiliary electrode is removed to be utilized as an emission area, so that the aperture ratio is drastically improved.

Lighting apparatus using organic light emitting diode for suppressing deterioration of lumincance in entire panel caused by short circuit and manufacturing method thereof

Growing community of inventors

Paju-si, South Korea

TaeJoon Song