公开(公告)号：US10566562B2

公开(公告)日：2020-02-18

申请号：US15663073

申请日：2017-07-28

Applicant: LG Display Co., Ltd.

Inventor： Byung-Soo Kim ,  Han-Byeol Seok ,  Seok-Hyun Kim

IPC: H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device includes: an anode and a cathode opposite each other, an organic light-emitting layer between the anode and the cathode, and a hole transport unit between the anode and the organic light-emitting layer and including two or more pairs of hole injection layers and hole transport layers each formed of a respective single material, the hole injection layers and the hole transport layers being alternately stacked.

公开(公告)号：US20200006692A1

公开(公告)日：2020-01-02

申请号：US16455265

申请日：2019-06-27

Applicant: LG Display Co., Ltd.

Inventor： Han-Byeol Seok ,  Kwan-Soo Kim ,  Eun-Jung Park ,  Ki-Min Lim ,  Seung-Kwang Roh ,  Byung-Soo Kim ,  Sang-Kyoung Moon ,  Dong-Il Choi

IPC: H01L51/50 ,  H01L51/52 ,  G09G3/3208 ,  G02B27/01

Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.

公开(公告)号：US10229954B2

公开(公告)日：2019-03-12

申请号：US15794395

申请日：2017-10-26

Applicant: LG Display Co., Ltd.

Inventor： Eun-Jung Park ,  Kwan-Soo Kim ,  Han-Byeol Seok ,  Seok-Hyun Kim

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

Abstract: An organic light-emitting device, including: a substrate including a blue sub-pixel, a green sub-pixel, and a red sub-pixel, each blue sub-pixel, green sub-pixel, and red sub-pixel respectively including an anode, a first common layer, a second common layer, and a cathode, in the blue sub-pixel, a blue light-emitting layer between the first common layer and the second common layer, in the green sub-pixel, a green light-emitting layer between the first common layer and the second common layer, and in the red sub-pixel, a red light-emitting layer between the first common layer and the second common layer, wherein HOMO energy levels of the blue, green, and red light-emitting layers are each lower than a HOMO energy level of the first common layer, and wherein the HOMO energy level of the green light-emitting layer is 0.2 eV or more higher than the HOMO energy level of the blue light-emitting layer.

公开(公告)号：US10014357B2

公开(公告)日：2018-07-03

申请号：US15718158

申请日：2017-09-28

Applicant: LG Display Co., Ltd.

Inventor： Han-Byeol Seok ,  Eun-Jung Park ,  Seok-Hyun Kim

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

CPC classification number: H01L27/3248 ,  H01L27/322 ,  H01L27/3246 ,  H01L51/5004 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5203 ,  H01L51/5278 ,  H01L2251/5346

Abstract: An organic light-emitting device, including: an anode and a cathode opposite each other, a first stack and a second stack between the anode and the cathode, and a charge generation layer between the first stack and the second stack, the charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein the p-type charge generation layer includes one first organic material, wherein the n-type charge generation layer includes a second organic material and an n-type dopant, wherein the n-type charge generation layer is divided into a first region contacting the first stack, a second region contacting the p-type charge generation layer, and a third region between the first region and the second region, and wherein a dopant content of the n-type dopant is stepwise increased in an order of: the first region, the third region, and the second region.

公开(公告)号：US20180033995A1

公开(公告)日：2018-02-01

申请号：US15663073

申请日：2017-07-28

Applicant: LG Display Co., Ltd.

Inventor： Byung-Soo Kim ,  Han-Byeol Seok ,  Seok-Hyun Kim

IPC: H01L51/50

Abstract: An organic light-emitting device includes: an anode and a cathode opposite each other, an organic light-emitting layer between the anode and the cathode, and a hole transport unit between the anode and the organic light-emitting layer and including two or more pairs of hole injection layers and hole transport layers each formed of a respective single material, the hole injection layers and the hole transport layers being alternately stacked.

公开(公告)号：USRE49260E1

公开(公告)日：2022-10-25

申请号：US16918989

申请日：2020-07-01

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 ,  H01L51/52 ,  H01L51/50 ,  H01L51/00 ,  H01L29/08 ,  H01L35/24 ,  G09G3/20

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：US11335876B2

公开(公告)日：2022-05-17

申请号：US16455265

申请日：2019-06-27

Applicant: LG Display Co., Ltd.

Inventor： Han-Byeol Seok ,  Kwan-Soo Kim ,  Eun-Jung Park ,  Ki-Min Lim ,  Seung-Kwang Roh ,  Byung-Soo Kim ,  Sang-Kyoung Moon ,  Dong-Il Choi

IPC: H01L51/50 ,  G02B27/01 ,  G09G3/3208 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.

公开(公告)号：US20180097052A1

公开(公告)日：2018-04-05

申请号：US15718158

申请日：2017-09-28

Applicant: LG Display Co., Ltd.

Inventor： Han-Byeol Seok ,  Eun-Jung Park ,  Seok-Hyun Kim

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

CPC classification number: H01L27/3248 ,  H01L27/322 ,  H01L27/3246 ,  H01L51/5004 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5203 ,  H01L51/5278 ,  H01L2251/5346

Abstract: An organic light-emitting device, including: an anode and a cathode opposite each other, a first stack and a second stack between the anode and the cathode, and a charge generation layer between the first stack and the second stack, the charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein the p-type charge generation layer includes one first organic material, wherein the n-type charge generation layer includes a second organic material and an n-type dopant, wherein the n-type charge generation layer is divided into a first region contacting the first stack, a second region contacting the p-type charge generation layer, and a third region between the first region and the second region, and wherein a dopant content of the n-type dopant is stepwise increased in an order of: the first region, the third region, and the second region.

公开(公告)号：USRE50316E1

公开(公告)日：2025-02-25

申请号：US17939817

申请日：2022-09-07

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 ,  G09G3/20 ,  G09G3/3225 ,  H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/81 ,  H10K50/82

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：US10516004B2

公开(公告)日：2019-12-24

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 ,  H01L51/52 ,  H01L51/50 ,  H01L51/00 ,  H01L29/08 ,  H01L35/24

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.