公开(公告)号：US20220352425A1

公开(公告)日：2022-11-03

申请号：US17707327

申请日：2022-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan KIM ,  Dae Ho SONG ,  Byung Ju LEE ,  Seung Geun LEE ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/10 ,  H01L27/15 ,  H01L25/075 ,  H01L33/32 ,  H01L33/00

Abstract: A display device includes pixels including a first pixel and a second pixel; a first electrode disposed in a light-emitting area of the first pixel; a first light-emitting element disposed on the first electrode and electrically connected to the first electrode, the first light-emitting element including a first light-emitting layer emitting light of a first color; a second electrode disposed in a light-emitting area of the second pixel; a second light-emitting element disposed on the second electrode and electrically connected to the second electrode, the second light-emitting element including a second light-emitting layer emitting light of a second color; and a bank disposed around the pixels to surround the light-emitting area of the first pixel and the light-emitting area of the second pixel, and including an inactive light-emitting layer of a same material as the first light-emitting layer.

公开(公告)号：US20220352277A1

公开(公告)日：2022-11-03

申请号：US17548012

申请日：2021-12-10

Applicant: Samsung Display Co., LTD.

Inventor： Soo Chul KIM ,  Dae Ho SONG ,  Jin Taek PARK ,  So Young YEO ,  Ok Yi LEE

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

Abstract: A display device includes pixels disposed on a substrate. Each of the pixels include a pixel circuit layer disposed on the substrate and includes at least one transistor, a first electrode disposed on the pixel circuit layer and electrically connected to the at least one transistor, a bank disposed on the first electrode, the bank including an opening exposing the first electrode, a conductive pattern disposed on a side surface of the bank surrounding the opening of the bank and the exposed first electrode, a light-emitting element disposed on the conductive pattern in the opening of the bank and electrically connected to the first electrode, and a second electrode disposed on the light-emitting element. The conductive pattern is a guide member that guides light emitted from the light-emitting element to an upper portion of the second electrode.

公开(公告)号：US20220352251A1

公开(公告)日：2022-11-03

申请号：US17704217

申请日：2022-03-25

Applicant: Samsung Display Co., LTD.

Inventor： Seung Geun LEE ,  Min Woo KIM ,  Byung Ju LEE ,  Dae Ho SONG ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50

Abstract: The disclosure relates to a display device and a method of manufacturing the same. A display device includes a pixel including a first electrode, a light emitting element disposed on the first electrode, and a second electrode disposed on the light emitting element. The light emitting element includes: an emission layer that generates light of a first color; a first light conversion layer disposed between the emission layer and the first electrode to convert the light of the first color into light of a second color; a second light conversion layer disposed between the first light conversion layer and the first electrode to convert the light of the first color or the light of the second color into light of a third color; and a first semiconductor layer disposed between the emission layer and the second electrode and including a first conductivity type dopant.

公开(公告)号：US20220352243A1

公开(公告)日：2022-11-03

申请号：US17570112

申请日：2022-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Joo Woan CHO ,  Dae Ho SONG ,  Tae Hee LEE ,  Hyung Il JEON ,  Byeong Hwa CHOI

IPC: H01L27/15 ,  H01L23/48 ,  H01L23/00 ,  H01L25/18

Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.

公开(公告)号：US20220352140A1

公开(公告)日：2022-11-03

申请号：US17710183

申请日：2022-03-31

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek PARK ,  Soo Chul KIM ,  Dae Ho SONG ,  So Young YEO ,  Ok Yi LEE ,  Joo Woan CHO ,  Jin Woo CHOI

IPC: H01L25/18 ,  H01L27/15 ,  G02B5/20

Abstract: A display device includes: a first substrate; a plurality of light-emitting elements on the first substrate; a second substrate opposite to the first substrate, and including one face facing the first substrate, and an opposite face to the one face; a plurality of grooves at the opposite face of the second substrate; a plurality of wavelength conversion layers, each of the wavelength conversion layers being located in a corresponding groove of the plurality of grooves to convert a wavelength of light emitted from a corresponding light-emitting element of the plurality of light-emitting elements; and a plurality of color filters on the wavelength conversion layers, respectively.

公开(公告)号：US20220352132A1

公开(公告)日：2022-11-03

申请号：US17691350

申请日：2022-03-10

Applicant: Samsung Display Co., LTD.

Inventor： Ki Seong SEO ,  Soo Chul KIM ,  Dae Ho SONG ,  So Yeon YOON

IPC: H01L25/16 ,  H01L33/60 ,  H01L27/12

Abstract: A display device includes a first electrode is disposed on a substrate, a pixel defining layer disposed on the substrate in a non-emission area and defining an emission area, a reflection pattern protrudes upward from the first electrode in the emission area and forming a concave part on the first electrode, a light emitting element disposed in the concave part and electrically connected to the first electrode, and a second electrode disposed on the light emitting element and electrically connected to the light emitting element. The reflection pattern does not overlap the pixel defining layer in a plan view.

公开(公告)号：US20220158038A1

公开(公告)日：2022-05-19

申请号：US17449928

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Sung Kook PARK ,  Dae Ho SONG ,  Byung Choon YANG ,  Jin Woo CHOI

IPC: H01L33/42 ,  H01L33/40 ,  H01L33/58

Abstract: A display device includes: a substrate; a transparent electrode on one surface of the substrate; a reflective electrode on the transparent electrode; a transistor on the reflective electrode; and a light emitting element between the transparent electrode and the reflective electrode. The transistor overlaps the light emitting element.

公开(公告)号：US20220037301A1

公开(公告)日：2022-02-03

申请号：US17315946

申请日：2021-05-10

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Dae Ho SONG ,  Byung Choon YANG ,  Jin Woo CHOI

IPC: H01L25/16 ,  H01L27/12

Abstract: A display device includes a display panel including a first area and a second area spaced apart from the first area in a plan view. The display panel includes a first base layer including a first pixel, a second base layer facing the first base layer and including a second pixel, a first signal line electrically connected to the first pixel of the first area, a second signal line electrically connected to the second pixel of the second area, and a connection line electrically connecting the first signal line and the second signal line.

公开(公告)号：US20170184889A1

公开(公告)日：2017-06-29

申请号：US15456250

申请日：2017-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Suk BANG ,  Dae Ho SONG ,  Seok-Joon HONG

IPC: G02F1/1341 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/1341 ,  G02F1/133345 ,  G02F1/133377 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/1368 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56

Abstract: Provided is a display device, including a substrate including pixel areas which are disposed in a matrix form including pixel rows and pixel columns, a thin film transistor formed on the substrate, a pixel electrode connected to the thin film transistor, a common electrode formed on the pixel electrode to be spaced apart from the pixel electrode with a microcavity therebetween, a liquid crystal layer filling the microcavity between the pixel electrode and the common electrode, a roof layer formed on the common electrode, a liquid crystal injection hole formed in the common electrode and the roof layer to expose a part of the microcavity, and an overcoat formed on the roof layer so as to cover the liquid crystal injection hole to seal the microcavity. A cross section of the microcavity has a reverse-tapered trapezoidal shape in which an upper width is larger than a lower width.

公开(公告)号：US20170090243A1

公开(公告)日：2017-03-30

申请号：US15257832

申请日：2016-09-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Ho SONG ,  Jung Hyun KWON ,  Kwang Keun LEE ,  You Young JIN

IPC: G02F1/1335 ,  G02F1/1341 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/1341 ,  G02F1/133345 ,  G02F1/133377 ,  G02F1/133514 ,  G02F1/133617 ,  G02F2001/133562

Abstract: A liquid crystal display according to an exemplary embodiment of the inventive concept includes a substrate; a thin film transistor positioned on the substrate; a pixel electrode connected to the thin film transistor; a roof layer positioned to face the pixel electrode; a liquid crystal layer positioned between the pixel electrode and the roof layer within a plurality of microcavities; a capping layer positioned adjacent to the microcavities; and a color conversion panel including a plurality of color conversion media layers on the roof layer and the capping layer, wherein the capping layer is positioned along a trench formed between the plurality of microcavities.