公开(公告)号：US20220115470A1

公开(公告)日：2022-04-14

申请号：US17277832

申请日：2019-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Veidhes BASRUR ,  Xinxing LI ,  Tae Jin KONG ,  Hee Keun LEE ,  Hyun Min CHO ,  Keun Kyu SONG ,  Jin Oh KWAG

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

Abstract: A display device may include: a base layer including a display area and a non-display area; and a plurality of pixels provided on the display area, and each including a plurality of sub-pixels. Each of the sub-pixels may include a pixel circuit layer, and a display element layer including an emission area formed to emit light, and a non-emission area provided around a perimeter of the emission area. The display element layer may include: a partition wall provided on the emission area of each of the sub-pixels; a bank provided on the non-emission area of each sub-pixel, and disposed on a surface equal to a surface on which the partition wall is disposed; a first electrode and a second electrode provided on the partition wall and spaced apart from each other; and at least one light emitting element provided between the first and second electrodes in the emission area of each sub-pixel, and configured to emit the light.

公开(公告)号：US20220085097A1

公开(公告)日：2022-03-17

申请号：US17423290

申请日：2019-12-05

Applicant: Samsung Display Co., LTD.

Inventor： Keun Kyu SONG ,  Jung Hong MIN ,  Dae Hyun KIM ,  Dong Uk KIM ,  Hyun Min CHO

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/30 ,  H01L33/38 ,  H01L33/44

Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.

公开(公告)号：US20220029058A1

公开(公告)日：2022-01-27

申请号：US17298445

申请日：2019-05-30

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62 ,  H01L33/24 ,  H01L33/00

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels in the display area, and each including sub-pixels. Each sub-pixel may include a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer may include: a first electrode on the pixel circuit layer; a second electrode on the first electrode and electrically insulated from the first electrode; the light emitting element including a first end portion coupled to the first electrode and a second end portion coupled to the second electrode, and between the first electrode and the second electrode; an intermediate layer enclosing at least one area of the light emitting element, and on the first electrode; a connection line electrically connected to the second electrode. The second electrode may be on the intermediate layer.

公开(公告)号：US20210405807A1

公开(公告)日：2021-12-30

申请号：US17473614

申请日：2021-09-13

Applicant: Samsung Display Co., Ltd.

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

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

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：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：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：US20190050024A1

公开(公告)日：2019-02-14

申请号：US15988990

申请日：2018-05-24

Applicant: Samsung Display Co. Ltd.

Inventor： Yi Joon AHN ,  Sung Chul KIM ,  Jung Hun NOH ,  Keun Kyu SONG ,  Hye Yong CHU

IPC: G06F1/16 ,  G02F1/1333 ,  H04R9/06 ,  H04R1/02 ,  H04N5/64

Abstract: A display device includes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.

公开(公告)号：US20180088418A1

公开(公告)日：2018-03-29

申请号：US15492794

申请日：2017-04-20

Applicant: Samsung Display Co., Ltd

Inventor： Su Jung HUH ,  Hyung-Don NA ,  Keun Kyu SONG ,  Joo Woan CHO

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134336 ,  G02B3/14 ,  G02B27/225 ,  G02F1/1337 ,  G02F1/133707 ,  G02F1/1362 ,  G02F1/29 ,  G02F2001/294 ,  G02F2203/12

Abstract: The present disclosure relates to a lens panel and a display device including the same, and the lens panel according to an exemplary embodiment includes a region divided into a plurality of domains in a plan view, wherein the region divided into the plurality of domains includes an optical modulation layer, and a first electrode and a second electrode facing each other with the optical modulation layer interposed therebetween in a sectional view, at least one of the first electrode and the second electrode has a plurality of main openings, at least one of the first electrode and the second electrode has a plurality of sub-openings, the main openings are positioned one by one in each of the plurality of domains in the plan view, the sub-opening is positioned on a boundary between the adjacent domains, and a planar area of the sub-opening is smaller than a planar area of the main opening.

公开(公告)号：US20170317114A1

公开(公告)日：2017-11-02

申请号：US15499651

申请日：2017-04-27

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hun NOH ,  Keun Kyu SONG

IPC: H01L27/12 ,  H01L29/786

CPC classification number: H01L27/1251 ,  H01L27/124 ,  H01L29/78633

Abstract: A display device may include a first base substrate, a light-blocker, a gate wiring, a semiconductor member, a data wiring, and a drain electrode. The light-blocker is disposed on the first base substrate, and includes a light-blocking line extending in a first direction and a light-blocking protrusion protruding from the light-blocking line in a second direction different from the first direction. The gate wiring includes a gate line extending in the first direction and a gate electrode protruding from the gate line. The semiconductor member overlaps the gate electrode and includes a source region, a drain region, and a channel region. The data wiring extends in the second direction and is electrically connected to the source region. The drain electrode is electrically connected to the drain region. An edge of the gate electrode in the first direction is located in an overlap area between the drain region and the light-blocking protrusion.