公开(公告)号：US20190172891A1

公开(公告)日：2019-06-06

申请号：US16203285

申请日：2018-11-28

Applicant: LG Display Co., Ltd.

Inventor： Kyu-Hwang LEE ,  Taejoon SONG ,  Chulho KIM ,  Jongmin KIM

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: 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.

公开(公告)号：US20190165303A1

公开(公告)日：2019-05-30

申请号：US16203010

申请日：2018-11-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Jongmin KIM ,  Taejoon SONG

IPC: H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: 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.

公开(公告)号：US20200044196A1

公开(公告)日：2020-02-06

申请号：US16600862

申请日：2019-10-14

Applicant: LG Display Co., Ltd.

Inventor： Taejoon SONG ,  Jongmin KIM

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32

Abstract: 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 2,800-5,500Ω 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.

公开(公告)号：US20190165319A1

公开(公告)日：2019-05-30

申请号：US16200939

申请日：2018-11-27

Applicant: LG Display Co., Ltd.

Inventor： Jongmin KIM ,  Taejoon SONG

IPC: H01L51/52 ,  H01L51/00

Abstract: 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.

公开(公告)号：US20190019990A1

公开(公告)日：2019-01-17

申请号：US16030287

申请日：2018-07-09

Applicant: LG Display Co., Ltd.

Inventor： Taejoon SONG ,  Jongmin KIM

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L51/5268 ,  H01L27/3202 ,  H01L51/5206 ,  H01L51/5212 ,  H01L51/5228 ,  H01L51/5275 ,  H01L51/56 ,  H01L2251/5361

Abstract: 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 2,800-5,500Ω 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.