公开(公告)号：US10199446B2

公开(公告)日：2019-02-05

申请号：US15659375

申请日：2017-07-25

Applicant: LG Display Co., Ltd.

Inventor： EuiTae Kim ,  DooHyun Yoon ,  Hyoung-Su Kim ,  KiSeob Shin

IPC: H01L27/32 ,  H01L29/786 ,  H01L51/52

Abstract: Disclosed are a display device and a method of manufacturing the same. The display device includes a light emitting device including an anode electrode, a light emitting layer, and a cathode electrode, a driving transistor configured to supply a driving current to the light emitting device, and a capacitor including one electrode and other electrode each formed of a transparent conductive material. The one electrode and the other electrode of the capacitor overlap each other with at least one insulation layer therebetween.

公开(公告)号：US20150243720A1

公开(公告)日：2015-08-27

申请号：US14588205

申请日：2014-12-31

Applicant: LG Display Co., Ltd.

Inventor： Hoiyong Kwon ,  MiReum Lee ,  Hyoung-Su Kim

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786

CPC classification number: H01L27/1248 ,  G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1229 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/3276

Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).

公开(公告)号：US12200988B2

公开(公告)日：2025-01-14

申请号：US17536934

申请日：2021-11-29

Applicant: LG Display Co., Ltd.

Inventor： Jonghyeok Im ,  Sul Lee ,  Hyoung-Su Kim

IPC: H10K59/131 ,  H10K59/121

Abstract: Disclosed is a display apparatus capable of reducing a voltage drop of a common electrode and improving a transmittance. The display apparatus comprises a substrate including a display area having a first area and a second area, a first electrode disposed on the substrate and configured to cover the first area and the second area, a first common power line disposed between the substrate and the first electrode and connected to the first electrode provided in the first area, and a second common power line connected to the first electrode provided in the second area through the first area.

公开(公告)号：US11839114B2

公开(公告)日：2023-12-05

申请号：US17066353

申请日：2020-10-08

Applicant: LG Display Co., Ltd.

Inventor： Doo-Hyun Yoon ,  Hyoung-Su Kim ,  Hye-Seon Eom ,  Jong-Hyeok Im ,  Gyung-Min Kim

IPC: H01L27/32 ,  H10K59/121 ,  H10K50/813 ,  H10K50/818 ,  H10K50/852 ,  H10K50/86 ,  H10K59/38 ,  H10K59/122 ,  H10K102/00

CPC classification number: H10K59/1216 ,  H10K50/813 ,  H10K50/818 ,  H10K50/852 ,  H10K50/865 ,  H10K59/122 ,  H10K59/38 ,  H10K2102/3026

Abstract: The present disclosure discloses an organic light emitting display device. The organic light emitting display device includes a substrate, a driving transistor, a reflection electrode, a dielectric layer, a first and second electrode, and an organic light emitting layer. The driving transistor is in each of a plurality of pixel regions which are defined on the substrate. The reflection electrode is on the driving transistor, and is electrically connected to a gate electrode of the driving transistor. The dielectric layer is on the reflection electrode. The first electrode is on the dielectric layer, and is electrically connected to a source electrode of the driving transistor, and faces the reflection electrode. The organic light emitting layer is on the first electrode. The second electrode is on the organic light emitting layer.

公开(公告)号：US09490276B2

公开(公告)日：2016-11-08

申请号：US14231586

申请日：2014-03-31

Applicant: LG Display Co., Ltd.

Inventor： Hyoung-Su Kim ,  Namwook Cho ,  TaeHwan Kim ,  Jaemyon Lee

IPC: G06F3/038 ,  H01L29/08 ,  H01L27/12

CPC classification number: H01L27/1251 ,  G09G2300/0408 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  H01L27/0705 ,  H01L27/1222 ,  H01L27/1225

Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).

Abstract translation: 提供了具有至少一个具有氧化物活性层的TFT和至少一个具有多晶硅活性层的TFT的TFT背板。 在本公开的实施例中，实现有源区域中的像素电路的TFT中的至少一个是氧化物TFT（即，具有氧化物半导体的TFT），而实现驱动电路的TFT中的至少一个紧邻有源区 区域是LTPS TFT（即，具有多晶硅半导体的TFT）。

公开(公告)号：US09406705B2

公开(公告)日：2016-08-02

申请号：US14588193

申请日：2014-12-31

Applicant: LG Display Co., Ltd.

Inventor： Hoiyong Kwon ,  DongYoon Kim ,  Hyoung-Su Kim

IPC: H01L27/32 ,  H01L29/786 ,  H01L27/12

CPC classification number: H01L27/1248 ,  G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1229 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/3276

Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).

Abstract translation: 提供了具有至少一个具有氧化物活性层的TFT和至少一个具有多晶硅活性层的TFT的TFT背板。 在本公开的实施例中，实现有源区域中的像素电路的TFT中的至少一个是氧化物TFT（即，具有氧化物半导体的TFT），而实现驱动电路的TFT中的至少一个紧邻有源区 区域是LTPS TFT（即，具有多晶硅半导体的TFT）。

公开(公告)号：US20150243718A1

公开(公告)日：2015-08-27

申请号：US14588180

申请日：2014-12-31

Applicant: LG Display Co., Ltd.

Inventor： Hoiyong Kwon ,  MiReum Lee ,  Hyoung-Su Kim

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/1248 ,  G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1229 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/3276

Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).

公开(公告)号：US20150243203A1

公开(公告)日：2015-08-27

申请号：US14231596

申请日：2014-03-31

Applicant: LG Display Co., Ltd.

Inventor： Hyoung-Su Kim ,  Namwook Cho ,  TaeHwan Kim ,  Jaemyon Lee

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2092 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0814 ,  G09G2310/0262 ,  G09G2310/0272 ,  G09G2320/0252 ,  G09G2330/023

Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).

Abstract translation: 提供了具有至少一个具有氧化物活性层的TFT和至少一个具有多晶硅活性层的TFT的TFT背板。 在本公开的实施例中，实现有源区域中的像素电路的TFT中的至少一个是氧化物TFT（即，具有氧化物半导体的TFT），而实现驱动电路的TFT中的至少一个紧邻有源区 区域是LTPS TFT（即，具有多晶硅半导体的TFT）。

公开(公告)号：US11581387B2

公开(公告)日：2023-02-14

申请号：US16990617

申请日：2020-08-11

Applicant: LG Display Co., Ltd.

Inventor： Jonghyeok Im ,  Hyoung-Su Kim ,  Gyungmin Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate provided with a plurality of pixels, a circuit element layer provided on the substrate and provided with an auxiliary electrode, an insulating layer provided on the circuit element layer and provided with a plurality of connection electrodes spaced apart from one another and a first trench, a fence structure provided on the plurality of connection electrodes, an organic light emitting layer provided on the fence structure, and a second electrode arranged on the organic light emitting layer, wherein the plurality of connection electrodes are electrically connected with the auxiliary electrode, at least one of the plurality of connection electrodes is exposed from the first trench, and the second electrode is in contact with a connection electrode exposed from the first trench. Therefore, a luminance difference between an outer portion of a panel and a center portion of the panel may be reduced.

公开(公告)号：US11538874B2

公开(公告)日：2022-12-27

申请号：US17119647

申请日：2020-12-11

Applicant: LG Display Co., Ltd.

Inventor： Hyoung-Su Kim ,  Jonghyeok Im ,  Gyungmin Kim

IPC: G09G3/32 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  H04N5/225 ,  H04M1/02

Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area having a transparent area and an opaque area, and a non-display area. A gate driver is configured to sequentially supply a gate pulse to a plurality of gate lines included in the organic light emitting display panel. An initialization circuit is configured to transfer gate pulses or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera is configured to photograph a region in a forward direction with respect to the organic light emitting display panel, and the camera may be provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area may differ from a second pixel driving circuit provided in the opaque area.