公开(公告)号：US10559774B2

公开(公告)日：2020-02-11

申请号：US16032200

申请日：2018-07-11

Applicant: LG Display Co., Ltd.

Inventor： Jong-Min Kim ,  Tae-Joon Song

IPC: H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: According to a lighting apparatus using an organic light-emitting diode and a manufacturing method thereof of the present disclosure, a current imbalance due to a short circuit is controlled using a transparent high-resistance conductive film as a positive electrode instead of indium tin oxide (ITO), and a decrease in luminance is prevented by decreasing resistance of a positive electrode of an emission region through a post treatment. According to the present disclosure, it is possible to solve the problem of lighting malfunction of an entire panel, caused by a short circuit due to a foreign substance, even without reducing an aperture ratio, and concurrently, it is possible to secure normal luminance as resistance of an emission region is decreased.

公开(公告)号：US11223021B2

公开(公告)日：2022-01-11

申请号：US16001576

申请日：2018-06-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae-Joon Song ,  Sung-Hee Kim ,  Jong-Min Kim

IPC: H01L51/52 ,  G09G3/3233 ,  G09G3/3208 ,  H01L51/00

Abstract: A lighting apparatus according to an embodiment of the present invention includes an organic light emitting device including a first electrode, an organic light emitting layer, and a second electrode formed on a first substrate, wherein the first electrode is formed of a transparent conductive material having a resistance of approximately 2800Ω to 5500Ω in each pixel. Thus, even if the resistance of the organic light emitting layer is removed in a pixel due to a contact between the first electrode and the second electrode, overcurrent may be prevented from being applied to the pixel due to the resistance of the first electrode.

公开(公告)号：US20190019981A1

公开(公告)日：2019-01-17

申请号：US16032200

申请日：2018-07-11

Applicant: LG Display Co., Ltd.

Inventor： Jong-Min Kim ,  Tae-Joon Song

IPC: H01L51/52 ,  H01L51/56 ,  H01L51/00

Abstract: According to a lighting apparatus using an organic light-emitting diode and a manufacturing method thereof of the present disclosure, a current imbalance due to a short circuit is controlled using a transparent high-resistance conductive film as a positive electrode instead of indium tin oxide (ITO), and a decrease in luminance is prevented by decreasing resistance of a positive electrode of an emission region through a post treatment. According to the present disclosure, it is possible to solve the problem of lighting malfunction of an entire panel, caused by a short circuit due to a foreign substance, even without reducing an aperture ratio, and concurrently, it is possible to secure normal luminance as resistance of an emission region is decreased.