公开(公告)号：US10461133B2

公开(公告)日：2019-10-29

申请号：US15920152

申请日：2018-03-13

Applicant: Samsung Display Co., Ltd.

Inventor： Heun Seung Lee ,  Hyo Yeon Kim ,  Hyun Shik Lee ,  Jae Hoon Hwang

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

Abstract: A light emitting display device includes: a first electrode positioned on a substrate; a second electrode overlapping the first electrode; a red emission layer, a green emission layer, a blue emission layer, and an infrared ray emission layer emitting light of different wavelengths and positioned between the first electrode and the second electrode; a green resonance auxiliary layer positioned between the green emission layer and the first electrode; and a blocking layer positioned between the green resonance auxiliary layer and the green emission layer, wherein the infrared ray emission layer and the green resonance auxiliary layer include the same material, and LUMO energy of the blocking layer is larger than LUMO energy of a green light emitting dopant included in the green emission layer.

公开(公告)号：US20190341434A1

公开(公告)日：2019-11-07

申请号：US16510958

申请日：2019-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Woo Lee ,  Heung Su Park ,  Ji Hwan Yoon ,  Jae Hoon Hwang

IPC: H01L27/32 ,  H01L51/52

Abstract: A light emitting display device includes a substrate having a first pixel, a second pixel, a third pixel, and an infrared emission portion. The first, second, and third pixels emit light of different colors. The light emitting device also includes a first electrode on the substrate, a second electrode overlapping the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The auxiliary layer includes a first auxiliary layer on the first pixel and a second auxiliary layer in the infrared emission portion. The first auxiliary layer and second auxiliary layer include a same material.

公开(公告)号：US09884340B2

公开(公告)日：2018-02-06

申请号：US14963461

申请日：2015-12-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Hoon Hwang ,  Kwan Hee Lee

IPC: C23C14/12 ,  B05D1/00

CPC classification number: B05D1/60 ,  C23C14/24 ,  H01L51/001

Abstract: A deposition apparatus and method for depositing an organic material includes an effusion cell, a guide rail, and a cooling channel. The effusion cell extends in a first direction. The guide rail is below the effusion cell and extends in a second direction. The cooling channel is below an upper surface of the guide rail and extends in the second direction.

公开(公告)号：US10985220B2

公开(公告)日：2021-04-20

申请号：US16510958

申请日：2019-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Woo Lee ,  Heung Su Park ,  Ji Hwan Yoon ,  Jae Hoon Hwang

IPC: H01L27/32 ,  H01L51/52

Abstract: A light emitting display device includes a substrate having a first pixel, a second pixel, a third pixel, and an infrared emission portion. The first, second, and third pixels emit light of different colors. The light emitting device also includes a first electrode on the substrate, a second electrode overlapping the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The auxiliary layer includes a first auxiliary layer on the first pixel and a second auxiliary layer in the infrared emission portion. The first auxiliary layer and second auxiliary layer include a same material.

公开(公告)号：US11605677B2

公开(公告)日：2023-03-14

申请号：US17157887

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Young Hee Lee ,  Hyun Shik Lee ,  Seung Wook Chang ,  Byoung Seong Jeong ,  Sang Woo Pyo ,  Jae Hoon Hwang ,  Ji Hwan Yoon

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

Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.

公开(公告)号：US11056667B2

公开(公告)日：2021-07-06

申请号：US16695833

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Ho Choi ,  Nam Su Kang ,  Yi Seul Kim ,  Heung Su Park ,  Hyun Shik Lee ,  Heun Seung Lee ,  Jae Hoon Hwang

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes: a first base substrate which comprises a plurality of pixels; a pixel electrode on the first base substrate in each of the pixels and comprises a reflective film; an organic layer on the pixel electrode; and a common electrode on the organic layer, wherein the pixel electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm.

公开(公告)号：US10811463B2

公开(公告)日：2020-10-20

申请号：US15791513

申请日：2017-10-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Yeon Kim ,  Yi Seul Kim ,  Heun Seung Lee ,  Ji Hwan Yoon ,  Jae Hoon Hwang

IPC: H01L27/30 ,  H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/42

Abstract: A light emitting display device includes a substrate that includes a first pixel, a second pixel, a third pixel, and an infrared ray emission portion, the first pixel, the second pixel, and the third pixel representing different colors, a first electrode on the substrate, a second electrode that overlaps the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The emission layer may include a first emission layer in the first pixel and an infrared ray emission layer in the infrared ray emission portion, the auxiliary layer may include a first auxiliary layer in the first pixel, and the infrared ray emission layer and the first auxiliary layer may include the same material.

公开(公告)号：US10923538B2

公开(公告)日：2021-02-16

申请号：US16741599

申请日：2020-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Young Hee Lee ,  Hyun Shik Lee ,  Seung Wook Chang ,  Byoung Seong Jeong ,  Sang Woo Pyo ,  Jae Hoon Hwang ,  Ji Hwan Yoon

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

Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.

公开(公告)号：US10388706B2

公开(公告)日：2019-08-20

申请号：US15788097

申请日：2017-10-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Woo Lee ,  Heung Su Park ,  Ji Hwan Yoon ,  Jae Hoon Hwang

IPC: H01L27/32 ,  H01L27/146 ,  H01L51/52

Abstract: A light emitting display device includes a substrate having a first pixel, a second pixel, a third pixel, and an infrared emission portion. The first, second, and third pixels emit light of different colors. The light emitting device also includes a first electrode on the substrate, a second electrode overlapping the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The auxiliary layer includes a first auxiliary layer on the first pixel and a second auxiliary layer in the infrared emission portion. The first auxiliary layer and second auxiliary layer include a same material.