公开(公告)号：US20160172634A1

公开(公告)日：2016-06-16

申请号：US14920077

申请日：2015-10-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Suhyeon KIM ,  Sungbin SHIM

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L27/3258 ,  H01L27/322 ,  H01L27/3246 ,  H01L51/5228 ,  H01L51/5234 ,  H01L2251/5315

Abstract: Provided is an organic light emitting display panel with uniform luminance. A flattening layer including a contact hole is disposed on a substrate on which an auxiliary electrode is disposed. The contact hole in the flattening layer has an undercut pattern at a point contacting the auxiliary electrode. The organic light emitting layer is disconnected by the contact hole, but the common electrode is connected with the auxiliary electrode at an undercut pattern portion with a high step coverage as compared with the organic light emitting layer. Since the auxiliary electrode and the common electrode are connected with each other through the contact hole having the undercut pattern in the flattening layer, it is possible to preserve uniform luminance of the organic light emitting display panel.

Abstract translation: 提供了具有均匀亮度的有机发光显示面板。 包括接触孔的平坦化层设置在其上设置有辅助电极的基板上。 平坦化层中的接触孔在与辅助电极接触的点处具有底切图案。 有机发光层被接触孔断开，但是与有机发光层相比，公共电极与辅助电极连接在具有高阶梯覆盖的底切图案部分。 由于辅助电极和公共电极通过在平坦化层中具有底切图案的接触孔彼此连接，所以可以保持有机发光显示面板的均匀亮度。

公开(公告)号：US20240194843A1

公开(公告)日：2024-06-13

申请号：US18239300

申请日：2023-08-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungbin SHIM ,  Sangpil PARK

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/38

Abstract: A light emitting display device includes a substrate and a plurality of pixels disposed on the substrate, each of the pixels includes a first electrode at one portion of the pixel, an emission layer on the first electrode, a second electrode on the emission layer; an auxiliary electrode close to the first electrode in the pixel, and an auxiliary line connecting the auxiliary electrode and overlapping with a portion of the first electrode, and the auxiliary electrode is connected to the second electrode by penetrating the emission layer.

公开(公告)号：US20220149318A1

公开(公告)日：2022-05-12

申请号：US17519314

申请日：2021-11-04

Applicant: LG Display Co., Ltd.

Inventor： MoonSoo KIM ,  Sungbin SHIM ,  Saemleenuri LEE

IPC: H01L51/52 ,  H01L51/56

Abstract: A disclosed light emitting display panel includes: a substrate; a plurality of pixel driving circuits on the substrate; a planarization layer on the pixel driving circuits; a plurality of anode electrodes on the planarization layer, each of the plurality of anode electrodes being electrically connected with a corresponding one of the pixel driving circuits; a plurality of banks on the planarization layer and including at least one first region bank between two adjacent anode electrodes among the plurality of anode electrodes; a light emitting layer on the plurality of anode electrodes and on the banks; a first cathode electrode on the light emitting layer and including a low resistance area electrode and at least one high resistance area electrode having a higher resistance than the low resistance area electrode; and a second cathode electrode on the first cathode electrode.

公开(公告)号：US20220149128A1

公开(公告)日：2022-05-12

申请号：US17519325

申请日：2021-11-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungbin SHIM ,  Sungbai LEE ,  MoonSoo KIM

IPC: H01L27/32 ,  H01L51/56

Abstract: A light emitting display device includes a light emitting element including a pixel electrode, a common electrode, and a light emitting layer interposed between the pixel electrode and the common electrode, and a pixel circuit electrically connected to the pixel electrode of the light emitting element, wherein the pixel electrode may include a first pixel electrode portion, a second pixel electrode portion spaced apart from the first pixel electrode portion, a circuit contact portion connected to the pixel circuit, a first electrode connection portion connected or disconnected between the first pixel electrode portion and the circuit contact portion, and a second electrode connection portion connected or disconnected between the second pixel electrode portion and the circuit contact portion.

公开(公告)号：US20160293888A1

公开(公告)日：2016-10-06

申请号：US14859783

申请日：2015-09-21

Applicant: LG Display Co., Ltd.

Inventor： Sungbin SHIM ,  Suhyeon KIM ,  MoonBae GEE

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L27/3246 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/3279 ,  H01L51/5228

Abstract: An organic light emitting diode (OLED) display device is described that includes a shared cathode between OLED pixels as well as auxiliary lines that are formed between rows and/or columns of the OLED pixels. As the cathode is shared between many if not all of the pixels of display device, resistance within the cathode can affect the brightness of those pixels that are further from the cathode's voltage source. The auxiliary lines serve to counteract the voltage drop caused by this resistance. The auxiliary lines are electrically connected to the cathode in close proximity to individual pixels of the display.

Abstract translation: 描述了一种有机发光二极管（OLED）显示装置，其包括OLED像素之间的共享阴极以及形成在OLED像素的行和/或列之间的辅助线。 由于阴极在许多（如果不是全部）显示装置的像素之间共享，则阴极内的电阻可以影响距离阴极的电压源更远的像素的亮度。 辅助线用于抵消由该电阻引起的电压降。 辅助线路电连接到阴极，靠近显示器的各个像素。

公开(公告)号：US20160035803A1

公开(公告)日：2016-02-04

申请号：US14802358

申请日：2015-07-17

Applicant: LG Display Co., Ltd.

Inventor： Youngmi KIM ,  Joonyoung HEO ,  Howon CHOI ,  Sungbin SHIM ,  Dongwoo SONG ,  Hyesook KIM

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

CPC classification number: H01L27/3246 ,  H01L27/322 ,  H01L27/3253 ,  H01L27/326 ,  H01L27/3279 ,  H01L51/5221 ,  H01L2227/323

Abstract: An organic light emitting display device according to an embodiment includes a lower substrate; a bank layer disposed on the lower substrate; a connection assistance unit disposed on the bank layer; a cathode disposed on the lower substrate so as to cover the bank layer; an auxiliary electrode disposed on the bank layer and electrically connected with the cathode; and an upper substrate provided to face the lower substrate.

Abstract translation: 根据实施例的有机发光显示装置包括下基板; 设置在下基板上的堤层; 布置在堤层上的连接辅助单元; 阴极，设置在下基板上以覆盖堤层; 辅助电极，设置在堤层上并与阴极电连接; 以及设置成面向下基板的上基板。