公开(公告)号：US20210175291A1

公开(公告)日：2021-06-10

申请号：US17179773

申请日：2021-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-kyu Joo ,  Keunchan Oh ,  Byung-Chul Kim ,  Inok Kim ,  Jaemin Seong ,  Gakseok Lee ,  Jieun Jang ,  Inseok Song ,  Chang-Soon Jang

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel includes: an upper display substrate including a plurality of pixel areas arranged in each of a plurality of pixel columns and a light blocking area disposed adjacent to the pixel areas; and a lower display substrate including a plurality of display elements respectively overlapping the pixel areas, wherein the upper display substrate includes: a base substrate; a color filter layer disposed on the base substrate; and a light control layer disposed on the color filter layer and including transmission portions respectively at least partially overlapping first pixel areas arranged in a first one of the pixel columns and first conversion portions respectively at least partially overlapping second pixel areas arranged in a second one of the pixel columns, wherein the light blocking area includes a first light blocking area defined between the transmission portion and the first conversion portion, and a second light blocking area defined between the first conversion portions, and a first shortest distance from the base substrate to a lower surface of a first portion of the light control layer overlapping the first light blocking area is substantially equal to a second shortest distance from the base substrate to a lower surface of a second portion of the light control layer overlapping the second light blocking area.

公开(公告)号：US20200152704A1

公开(公告)日：2020-05-14

申请号：US16522526

申请日：2019-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： Chang-Soon Jang ,  Keunchan Oh ,  Sun-kyu Joo ,  Byungchul Kim ,  Inok Kim ,  lnseok Song ,  Gakseok Lee

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device including a base layer including a thin film transistor, a pixel definition layer including an opening, first to third organic light emitting elements each including a first electrode, a second electrode, and a light emitting layer therebetween, an encapsulation member including a first inorganic layer covering the organic light emitting elements, a second inorganic layer disposed thereon, a first color conversion pattern disposed between the inorganic layers and overlapping the first organic light emitting element, and a second color conversion pattern disposed between the inorganic layers and overlapping the second organic light emitting element, and first and second color filter patterns having different colors from each other and overlapping the first and second color conversion patterns, respectively, in which colors of light emitted from the first and second color conversion patterns are substantially the same as colors of the first and second color filter patterns, respectively.

公开(公告)号：US11424296B2

公开(公告)日：2022-08-23

申请号：US17179773

申请日：2021-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-kyu Joo ,  Keunchan Oh ,  Byung-Chul Kim ,  Inok Kim ,  Jaemin Seong ,  Gakseok Lee ,  Jieun Jang ,  Inseok Song ,  Chang-Soon Jang

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel includes: an upper display substrate including a plurality of pixel areas arranged in each of a plurality of pixel columns and a light blocking area disposed adjacent to the pixel areas; and a lower display substrate including a plurality of display elements respectively overlapping the pixel areas, wherein the upper display substrate includes: a base substrate; a color filter layer disposed on the base substrate; and a light control layer disposed on the color filter layer and including transmission portions respectively at least partially overlapping first pixel areas arranged in a first one of the pixel columns and first conversion portions respectively at least partially overlapping second pixel areas arranged in a second one of the pixel columns, wherein the light blocking area includes a first light blocking area defined between the transmission portion and the first conversion portion, and a second light blocking area defined between the first conversion portions, and a first shortest distance from the base substrate to a lower surface of a first portion of the light control layer overlapping the first light blocking area is substantially equal to a second shortest distance from the base substrate to a lower surface of a second portion of the light control layer overlapping the second light blocking area.

公开(公告)号：US11889723B2

公开(公告)日：2024-01-30

申请号：US17504242

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-chul Kim ,  Sujeong Kim ,  Kiyoung Yeon ,  Sun-kyu Joo ,  Chul Huh ,  Inok Kim ,  Hyeran Mun ,  Inseok Song ,  Wooyoung Lee ,  Yui-ku Lee

IPC: H10K59/126 ,  H10K50/86 ,  H10K50/844 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L27/12 ,  H10K59/35 ,  H10K59/38 ,  H10K59/40 ,  H10K59/131 ,  H10K59/12 ,  H10K59/121

CPC classification number: H10K59/126 ,  H10K50/844 ,  H10K50/86 ,  H10K50/865 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L27/124 ,  H01L27/1248 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/131 ,  H10K59/35 ,  H10K59/353 ,  H10K59/38 ,  H10K59/40

Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

公开(公告)号：US11165049B2

公开(公告)日：2021-11-02

申请号：US16566749

申请日：2019-09-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-kyu Joo ,  Keunchan Oh ,  Byungchul Kim ,  Inok Kim ,  Gakseok Lee ,  Jaemin Seong ,  Inseok Song ,  Jieun Jang

IPC: H01L27/14 ,  H01L51/52 ,  H01L27/32 ,  G02F1/1335 ,  G02F1/13357

Abstract: A display panel includes a first display substrate including first to third pixel areas and a light blocking area that is adjacent to the first to third pixel areas and a second display substrate including first to third display elements respectively overlapping the first to third pixel areas. The first display substrate includes a base substrate, a first color filter overlapping the first pixel area and having a first color, a second color filter overlapping the second pixel area and having a second color different from the first color, a third color filter disposed on the base substrate, having a third color different from the first and second colors, and including a filter portion overlapping the third pixel area and a light blocking portion overlapping the light blocking area, and a light blocking member disposed on the light blocking portion and containing a black organic pigment.

公开(公告)号：US12022687B2

公开(公告)日：2024-06-25

申请号：US17484816

申请日：2021-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-kyu Joo ,  Keunchan Oh ,  Byungchul Kim ,  Inok Kim ,  Gakseok Lee ,  Jaemin Seong ,  Inseok Song ,  Jieun Jang

IPC: H01L27/14 ,  H10K50/86 ,  H10K59/12 ,  H10K59/38 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: H10K50/865 ,  H10K59/12 ,  H10K59/38 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133617

Abstract: A display panel includes a first display substrate including first to third pixel areas and a light blocking area that is adjacent to the first to third pixel areas and a second display substrate including first to third display elements respectively overlapping the first to third pixel areas. The first display substrate includes a base substrate, a first color filter overlapping the first pixel area and having a first color, a second color filter overlapping the second pixel area and having a second color different from the first color, a third color filter disposed on the base substrate, having a third color different from the first and second colors, and including a filter portion overlapping the third pixel area and a light blocking portion overlapping the light blocking area, and a light blocking member disposed on the light blocking portion and containing a black organic pigment.

公开(公告)号：US11158699B2

公开(公告)日：2021-10-26

申请号：US16930586

申请日：2020-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-chul Kim ,  Sujeong Kim ,  Kiyoung Yeon ,  Sun-kyu Joo ,  Chul Huh ,  Inok Kim ,  Hyeran Mun ,  Inseok Song ,  Wooyoung Lee ,  Yui-ku Lee

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L27/12

Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

公开(公告)号：US10950667B2

公开(公告)日：2021-03-16

申请号：US16776355

申请日：2020-01-29

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-kyu Joo ,  Keunchan Oh ,  Byung-Chul Kim ,  Inok Kim ,  Jaemin Seong ,  Gakseok Lee ,  Jieun Jang ,  Inseok Song ,  Chang-Soon Jang

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel includes an upper display substrate including pixel areas arranged in each of pixel columns and a light blocking area and a lower display substrate including display elements respectively overlapping the pixel areas. The upper display substrate includes a base substrate, a color filter layer, and a light control layer including transmission portions overlapping first pixel areas arranged in a first pixel column and first conversion portions overlapping second pixel areas arranged in a second pixel column, and a barrier layer including first barriers disposed between the first conversion portions and the transmission portions and first sub-barriers disposed between adjacent first conversion portions. A first shortest distance from the base substrate to a lower surface of each of the first barriers is equal to a second shortest distance from the base substrate to a lower surface of each of the first sub-barriers.

公开(公告)号：US10756154B2

公开(公告)日：2020-08-25

申请号：US15984618

申请日：2018-05-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung-chul Kim ,  Sujeong Kim ,  Kiyoung Yeon ,  Sun-kyu Joo ,  Chul Huh ,  Inok Kim ,  Hyeran Mun ,  Inseok Song ,  Wooyoung Lee ,  Yui-ku Lee

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L27/12

Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

公开(公告)号：US10649282B2

公开(公告)日：2020-05-12

申请号：US15867936

申请日：2018-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Keunchan Oh ,  Sun-kyu Joo ,  Donghan Song

IPC: G02F1/1339 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1337 ,  G02F1/1335

Abstract: A display device includes a plurality of color filters that is disposed on a first base substrate and in pixel regions arranged in a matrix shape, a plurality of driving electrodes that is disposed on the color filters, a plurality of transistors that is provided on the first base substrate and in a non-pixel region between adjacent pixel regions in a second direction and is connected to the driving electrodes, a plurality of blocking column spacers that is provided below a second base substrate and in the non-pixel region between the adjacent pixel regions in the second direction and extending in a first direction, and a plurality of dummy color filters that is provided in a single-layered structure on the transistors. The dummy color filters that has a less number than that of the transistors support the blocking column spacers.