公开(公告)号：US20200212130A1

公开(公告)日：2020-07-02

申请号：US16730275

申请日：2019-12-30

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hyeon KIM ,  Eun-Jung PARK ,  Kwan-Soo KIM ,  Seok-Hyun KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: Disclosed is a transparent display device which has improved transmittance and luminous uniformity according to wavelength. The transparent display device includes a capping structure. The capping structure is formed by stacking a high refractive index first capping layer having destructive interference properties and a low refractive index second capping layer.

公开(公告)号：US20180190731A1

公开(公告)日：2018-07-05

申请号：US15816984

申请日：2017-11-17

Applicant: LG Display Co., Ltd.

Inventor： Eun-Jung PARK ,  Kwan-Soo KIM ,  Byung-Soo KIM ,  Han-Byeol SEOK ,  Su-Hyeon KIM ,  Seok-Hyun KIM

IPC: H01L27/32 ,  G09G3/3225

CPC classification number: H01L27/3218 ,  G09G3/20 ,  G09G3/3225 ,  G09G2300/0452 ,  G09G2310/0264 ,  G09G2310/0291 ,  G09G2354/00 ,  H01L27/3216 ,  H01L27/3244 ,  H01L27/3246 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5206 ,  H01L51/5221

Abstract: Disclosed is an organic light-emitting display device, which prevents lateral current leakage by providing a structure on a bank so as to cut off an organic material, which is formed in a subsequent process, around the structure.

公开(公告)号：US20190198788A1

公开(公告)日：2019-06-27

申请号：US16198293

申请日：2018-11-21

Applicant: LG Display Co., Ltd.

Inventor： Eun-Jung PARK ,  Sang-Kyoung MOON ,  Seok-Hyun KIM

IPC: H01L51/50 ,  H01L27/32

Abstract: An organic light-emitting device is disclosed. The organic light-emitting device includes light-emitting layers that emit light of the same color in a stack structure. The phosphorescence and fluorescence characteristics at the exit side and the inside of the organic light-emitting device are adjusted to improve a viewing angle, lifetime, and efficiency.

公开(公告)号：US20180190193A1

公开(公告)日：2018-07-05

申请号：US15838887

申请日：2017-12-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Seok-Hyun KIM ,  Eun-Jung PARK ,  Ho-Sung KIM

IPC: G09G3/3233 ,  G09G3/3291 ,  H01L51/52 ,  H01L27/32 ,  G09G3/3216

CPC classification number: G09G3/3233 ,  G09G3/3216 ,  G09G3/3225 ,  G09G3/3291 ,  H01L27/3209 ,  H01L27/3211 ,  H01L27/3265 ,  H01L27/3281 ,  H01L51/5044 ,  H01L51/5218 ,  H01L51/5265 ,  H01L51/5278 ,  H01L51/5284

Abstract: An organic light-emitting device and an organic light-emitting display device using the same are discussed. In a structure in which emission layers that emit light having the same color are provided in a plurality of stacks, the emission layers have different properties such that the light emission efficiencies of the stacks are made uniform, whereby the lifespan of the organic light-emitting device is increased through charge balance.

公开(公告)号：US20210202880A1

公开(公告)日：2021-07-01

申请号：US17137139

申请日：2020-12-29

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hyeon KIM ,  Seok-Hyun KIM ,  Kwan-Soo KIM ,  Young-Nam LIM

IPC: H01L51/52 ,  H01L51/00 ,  H01L27/32 ,  H01L51/56 ,  H01L51/50

Abstract: The present disclosure relates to a display device, and more particularly, to a high-performance display device by which high transmittance is secured and efficiency is enhanced in a manner of using a mixture of an organic matter and an alkaline earth metal as a cathode and facilitating patterning.

公开(公告)号：US20200075883A1

公开(公告)日：2020-03-05

申请号：US16549897

申请日：2019-08-23

Applicant: LG Display Co., Ltd.

Inventor： Jae-hyeon KIM ,  Eun-Jung PARK ,  Seok-Hyun KIM ,  Kwan-Soo KIM

IPC: H01L51/52 ,  H01L51/50

Abstract: Disclosed are a light emitting device which has improved reliability by increasing bonding force between a cathode and organic layers contacting both surfaces thereof, and a transparent display device using the same.

公开(公告)号：US20190372057A1

公开(公告)日：2019-12-05

申请号：US16402024

申请日：2019-05-02

Applicant: LG Display Co., Ltd.

Inventor： Eun-Jung PARK ,  Kwan-Soo KIM ,  Seok-Hyun KIM

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device enables transparent display at increased transparency and double-sided emission display, thereby being capable of improving aperture ratio during emission. The display device includes a transmission part having a configuration capable of selectively achieving a transmission function and a double-sided emission function.

公开(公告)号：US20230263041A1

公开(公告)日：2023-08-17

申请号：US18140865

申请日：2023-04-28

Applicant: LG Display Co., Ltd.

Inventor： Young-Nam LIM ,  Hyun-Chul CHOI ,  Kwan-Soo KIM ,  Seok-Hyun KIM ,  Jae-Hyeon KIM

IPC: H10K71/00 ,  H10K50/17 ,  H10K59/35

CPC classification number: H10K71/00 ,  H10K50/17 ,  H10K50/171 ,  H10K59/35

Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.

公开(公告)号：US20210202891A1

公开(公告)日：2021-07-01

申请号：US17137147

申请日：2020-12-29

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hyeon KIM ,  Seok-Hyun KIM ,  Kwan-Soo KIM ,  Young-Nam LIM

IPC: H01L51/52 ,  H01L51/56

Abstract: Disclosed is a display device configured such that a mixture of a transition metal and an organic material is used as a cathode, whereby the cathode exhibits low resistance, high transmittance, high reliability, and high performance in the state in which the cathode is thin.

公开(公告)号：US20210175477A1

公开(公告)日：2021-06-10

申请号：US17102028

申请日：2020-11-23

Applicant: LG Display Co., Ltd.

Inventor： Young-Nam LIM ,  Hyun-Chul CHOI ,  Kwan-Soo KIM ,  Seok-Hyun KIM ,  Jae-Hyeon KIM

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

Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.