公开(公告)号：US20210327857A1

公开(公告)日：2021-10-21

申请号：US17248422

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Xinxing LI ,  Sung Kook PARK ,  Kang Young LEE ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L25/075 ,  H01L33/50 ,  H01L27/12

Abstract: A display device includes a substrate including a display unit incuding a plurality of pixels and a protrusion protruding from an edge of the display unit, the plurality of pixels including a first pixel on an outermost region of the display unit and a second pixel adjacent to the first pixel; a driver on the protrusion; and a fan-out line to electrically connect the first pixel and the driver, wherein at least a portion of the fan-out line is on the display unit between the first pixel and the second pixel in a plan view.

公开(公告)号：US20210273131A1

公开(公告)日：2021-09-02

申请号：US17278101

申请日：2019-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hyuk KANG ,  Won Ho LEE ,  Hyun Deok IM ,  Jin Oh KWAG ,  Hyun Min CHO ,  Won Kyu KIM ,  Keun Kyu SONG

IPC: H01L33/00 ,  H01L25/075

Abstract: A method of aligning light emitting elements includes applying a ground voltage to a first electrode and applying a first AC voltage to a second electrode spaced apart from the first electrode; and applying a ground voltage to the first electrode and applying a second AC voltage to the second electrode, wherein the first AC voltage has an asymmetric waveform.

公开(公告)号：US20210225993A1

公开(公告)日：2021-07-22

申请号：US17255985

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Jung Hong MIN ,  Bek Hyun LIM ,  Hyun Min CHO

IPC: H01L27/32

Abstract: A display device includes: a first pixel stem wiring and a common stem wiring extending in a first direction and spaced apart from each other; a first pixel branch wiring branched from the first pixel stem wiring and extending in a second direction crossing the first direction; a common branch wiring branched from the common stem wiring and extending in the second direction; and a first light emitting element between the first pixel branch wiring and the common branch wiring. The first pixel branch wiring includes a base branch pattern connected to the first pixel stem wiring, a separate branch pattern spaced apart from the base branch pattern, and a bridge wiring connecting the base branch pattern to the separate branch pattern

公开(公告)号：US20210202451A1

公开(公告)日：2021-07-01

申请号：US17269737

申请日：2019-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Xinxing LI ,  Hee Keun LEE ,  Bek Hyun LIM ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  B82B3/00

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

公开(公告)号：US20210167050A1

公开(公告)日：2021-06-03

申请号：US17250633

申请日：2019-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Dae Hyun KIM ,  Dong Uk KIM ,  Jung Hong MIN ,  Seung A LEE ,  Hyung Rae CHA

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/22 ,  H01L33/62

Abstract: Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device. The method for manufacturing the light emitting device comprises the steps of: preparing a lower substrate including a substrate and a buffer semiconductor layer formed on the substrate, forming an element rod by forming a separating layer disposed on the lower substrate, forming a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, and etching the first conductivity type semiconductor layer, the active material layer, the second conductivity type semiconductor layer, and the separating layer in a direction perpendicular to the lower substrate, forming a first insulating layer surrounding an outer circumferential surface of the element rod, forming a second insulating layer surrounding an outer circumferential surface of the first insulating layer and separating the element rod from the lower substrate to form a light emitting element.

公开(公告)号：US20200286947A1

公开(公告)日：2020-09-10

申请号：US16881788

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Deok IM

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  F21K9/68 ,  H01L25/075

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20200043976A1

公开(公告)日：2020-02-06

申请号：US16275794

申请日：2019-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Uk KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Dae Hyun KIM ,  Jung Hong MIN ,  Seung A. LEE ,  Hyung Rae CHA

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.

公开(公告)号：US20190251898A1

公开(公告)日：2019-08-15

申请号：US16169749

申请日：2018-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Dae Hyun KIM ,  Sung Chul KIM ,  Hye Yong CHU ,  Keun Kyu SONG

IPC: G09G3/3225 ,  H01L33/20 ,  H01L33/38 ,  H01L33/00 ,  H01L33/32 ,  G06F3/041 ,  G06F3/042

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

公开(公告)号：US20190081089A1

公开(公告)日：2019-03-14

申请号：US16124387

申请日：2018-09-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min CHO ,  Shin Il CHOI ,  Sang Gab KIM ,  Su Bin BAE ,  Yu Gwang JEONG

IPC: H01L27/12 ,  H01L29/49 ,  H01L21/3213 ,  H01L29/786

Abstract: A display device includes: a substrate; first and second transistors provided on the substrate to be spaced apart from each other; and a display unit electrically connected to the first transistor, wherein the first transistor includes a first semiconductor layer including crystalline silicon, a first gate electrode, a first source electrode, and a first drain electrode, wherein the second transistor includes a second semiconductor layer including an oxide semiconductor, a second gate electrode, a second source electrode, and a second drain electrode, and wherein the second gate electrode includes a first layer that is provided on an insulating layer and includes molybdenum, a second layer that is provided on the first layer and includes titanium, and a third layer that is provided on the second layer and includes molybdenum.

公开(公告)号：US20180198018A1

公开(公告)日：2018-07-12

申请号：US15855502

申请日：2017-12-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hyun KIM ,  Hyun Min CHO

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/06 ,  H01L33/08 ,  H01L33/38 ,  H01L33/44 ,  H01L33/56 ,  H01L33/62

CPC classification number: H01L33/0095 ,  H01L25/0753 ,  H01L27/153 ,  H01L27/156 ,  H01L33/06 ,  H01L33/08 ,  H01L33/387 ,  H01L33/44 ,  H01L33/56 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes: a substrate; a first electrode disposed on the substrate; a first insulating layer disposed on the substrate to be spaced apart from the first electrode, the first insulating layer having a first height; a second electrode disposed on the first insulating layer; and a bar type LED disposed on the substrate, wherein the bar type LED has a first end and a second end in the length direction thereof, one of the first end and the second end is connected to the first electrode, and the other of the first end and the second end is connected to the second electrode.