公开(公告)号：US20240047473A1

公开(公告)日：2024-02-08

申请号：US18356155

申请日：2023-07-20

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Chan JO ,  Eun A YANG ,  Jong Ho HONG

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/62 ,  G02F1/167 ,  G02F1/16766

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L33/62 ,  G02F1/167 ,  G02F1/16766

Abstract: Provided is a stretchable display device. The stretchable display device according to one or more embodiments of the present disclosure includes a substrate including a first island pattern, a second island pattern, and a bridge pattern connecting the first island pattern and the second island pattern, a first pixel electrode above the first island pattern, and having an area that is greater than an area of the first island pattern, a second pixel electrode above the second island pattern, a display layer above the first pixel electrode and the second pixel electrode, and configured to display an image, and a common electrode above the display layer.

公开(公告)号：US20220204796A1

公开(公告)日：2022-06-30

申请号：US17593438

申请日：2020-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon JUNG ,  Hee Yeon YOO ,  Hye Jung HONG ,  Hyo Jin KO ,  Duk Ki KIM ,  Jun Bo SIM ,  Sung Chan JO ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Hyun Min CHO

IPC: C09D11/50 ,  H01L33/00 ,  H01L25/075

Abstract: A method for manufacturing a display device comprises the steps of: spraying, on a target substrate having a first electrode and a second electrode formed thereon, an element ink comprising a first element solvent and light-emitting elements dispersed in the first element solvent; forming a second element solvent in which at least some bonds of the first element solvent are decomposed by irradiating light to the first element solvent and mounting the light-emitting elements on the first electrode and the second electrode; and removing the second element solvent.

公开(公告)号：US20210280746A1

公开(公告)日：2021-09-09

申请号：US17257756

申请日：2019-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Sung Chan JO

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.

公开(公告)号：US20210011681A1

公开(公告)日：2021-01-14

申请号：US16852518

申请日：2020-04-19

Applicant: Samsung Display Co., LTD.

Inventor： Byeong Hee WON ,  Keun Kyu SONG ,  Yi Joon AHN ,  Sung Chan JO

IPC: G06F3/16 ,  H01L27/32 ,  G10K9/13 ,  G06F1/16 ,  G06F1/18

Abstract: A display device including a display panel including a first substrate and a pixel array layer disposed on a first surface of the first substrate, a first sound generation device disposed on a second surface of the first substrate opposing the first surface, and configured to vibrate the display panel and output first sound, and a circuit board disposed on the second surface of the first substrate, in which the first sound generation device includes a bobbin fixed on one surface of the first substrate, a voice coil surrounding a side surface of the bobbin, a magnet disposed on the bobbin and spaced apart from the bobbin, and a plate disposed on the magnet and fixed to the circuit board.

公开(公告)号：US20210005682A1

公开(公告)日：2021-01-07

申请号：US17024853

申请日：2020-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Woo IM ,  Jung Hun NOH ,  Yi Joon AHN ,  Sung Chan JO

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

Abstract: A display device includes a display panel including a display area including: a stretchable display area at which the display panel is stretchable, disposed at an outer edge of the display device, and a normal display area having flexibility less than that of the stretchable display area, the normal display area disposed further from the outer edge of the display device than the stretchable display area; a cover window disposed on the display panel, including a peripheral portion and a central portion which is disposed further from the outer edge of the display device than the peripheral portion; and a vibration member disposing the normal display area having the flexibility less than that of the stretchable display area between the central portion of the cover window and the vibration member along a thickness direction of the display device.

公开(公告)号：US20200286979A1

公开(公告)日：2020-09-10

申请号：US16880001

申请日：2020-05-21

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Hyun KIM ,  Young Gil PARK ,  Sung Chan JO

IPC: H01L27/32 ,  H01L27/12

Abstract: A display panel includes a first conductive layer including a first layer, a second layer, and a third layer sequentially stacked, and a second conductive layer on the first conductive layer and contacting the third layer. The first layer includes a first metal. The second layer includes the first metal and oxygen in a first composition ratio. The third layer includes the first metal and oxygen at a second composition ratio. The second composition ratio is smaller than the first composition ratio. Conductivity of the third layer is higher than conductivity of the second layer. The first composition ratio is a ratio of an atom percent of the first metal to an atom percent of oxygen in the second layer. The second composition ratio is a ratio of an atom percent of the first metal to an atom percent of oxygen in the third layer.

公开(公告)号：US20200213737A1

公开(公告)日：2020-07-02

申请号：US16678644

申请日：2019-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Byeong Hee WON ,  Jin Oh KWAG ,  Sung Chan JO ,  Yi Joon AHN ,  Jae Been LEE

IPC: H04R5/04 ,  H04N5/04 ,  H04S7/00 ,  H04N9/802

Abstract: A method of providing sounds matching an image displayed on a display panel includes: calculating a first object in the image by analyzing digital video data corresponding to the image, and calculating first gain values based on a location of the first object, and applying first gain values to a plurality of sound data; displaying the image on the display panel based on the digital video data; and outputting the plurality of sounds by vibrating the display panel based on the plurality of sound data to which the first gain values applied, using a plurality of sound generating devices.

公开(公告)号：US20240379917A1

公开(公告)日：2024-11-14

申请号：US18781779

申请日：2024-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Je Won YOO ,  Bek Hyun LIM ,  Sung Chan JO

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/20 ,  H01L33/56 ,  H01L33/62

Abstract: A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.

公开(公告)号：US20240079529A1

公开(公告)日：2024-03-07

申请号：US18297748

申请日：2023-04-10

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hyun HAM ,  Moon Jung AN ,  Jin Seok PARK ,  Hee Keun LEE ,  Sung Chan JO ,  Sang Wook HAN

IPC: H01L33/46 ,  H01L25/16

CPC classification number: H01L33/46 ,  H01L25/167

Abstract: A light-emitting element includes a first semiconductor layer, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, a device electrode layer disposed on the second semiconductor layer, a reflective electrode layer disposed on the device electrode layer, an insulating film surrounding a side surface of the light-emitting layer, a side surface of the second semiconductor layer, and a side surface of the device electrode layer, and a reflective layer surrounding a side surface of the insulating film, wherein the side surface of the device electrode layer is aligned with a side surface of the reflective electrode layer.

公开(公告)号：US20230026527A1

公开(公告)日：2023-01-26

申请号：US17778667

申请日：2020-09-03

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hoon JUNG ,  Hye Jung HONG ,  Jong Hyuk KANG ,  Hee Yeon YOO ,  Sung Chan JO ,  Hyun Min CHO

IPC: H01L33/00 ,  H01L51/00 ,  H01L33/38 ,  H01L33/62

Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity; a second semiconductor layer doped to have a second polarity that is different from the first polarity; an active layer placed between the first semiconductor layer and the second semiconductor layer; and an insulating layer surrounding at least the outer surface of the active material. The insulating layer includes an insulating film surrounding the active layer, and an element dispersion agent including a magnetic metal and bonded to an outer surface of the insulating film.