公开(公告)号：US20220077350A1

公开(公告)日：2022-03-10

申请号：US17307717

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won LEE ,  Je Won YOO ,  Chul Jong YOO ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/20

Abstract: A light emitting element and a display device including the same are provided. The light emitting element includes: a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; a passivation layer surrounding an outer surface of at least one selected from the first semiconductor layer, the second semiconductor layer, and the active layer; and an insulation layer surrounding an outer surface of the passivation layer, wherein the passivation layer includes a two-dimensional (2D) material.

公开(公告)号：US20220037562A1

公开(公告)日：2022-02-03

申请号：US17297870

申请日：2019-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Su Mi MOON ,  Eun Ju KIM ,  Hyun Min CHO

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/24 ,  H01L33/00

Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.

公开(公告)号：US20220037397A1

公开(公告)日：2022-02-03

申请号：US17502829

申请日：2021-10-15

Applicant: Samsung Display Co. Ltd.

Inventor： Xin Xing LI ,  Tae Jin KONG ,  Hee Keun LEE ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

Abstract: A display device includes at least one first and second electrodes extending in a first direction, at least one first and second light emitting elements disposed therebetween, a first contact electrode partially covering the first electrode and contacting a first end of the first light emitting element, a second contact electrode partially covering the second electrode and contacting a third end of the second light emitting element, and a third contact electrode disposed between the first and second contact electrodes and contacting a second end of the first light emitting element and a fourth end of the second light emitting element, in which a distance between the first and second electrodes is greater than a longitudinal length of at least one of the first and second light emitting elements, and the first and second light emitting elements are connected in series between the first and second electrodes.

公开(公告)号：US20220028923A1

公开(公告)日：2022-01-27

申请号：US17277284

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Hyun Min CHO ,  Dae Hyun KIM ,  Veidhes BASRUR ,  Bek Hyun LIM

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

Abstract: A light emitting device may include: a first emission area including a first light emitting diode: a second emission area including a second light emitting diode, at least one pair of first and second partition walls facing each other in each of the first and second emission areas at least one first electrode on the first partition wail to cover the first partition wall, and being electrically connected to a first end of at least one of the first and second light emitting diodes; and at least one second electrode on the second partition wall to cover the second partition wall, and being electrically connected to a second end of at least one of the first and second light emitting diodes. The first and second partition walls may have, in the first emission area, a structure different from that in the second emission area.

公开(公告)号：US20220005978A1

公开(公告)日：2022-01-06

申请号：US17295403

申请日：2019-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/40 ,  H01L33/20

Abstract: A light emitting device may include: an emission area; an insulating pattern in the emission area, the insulating pattern including at least one recess and a protrusion around the recess; a first electrode on the insulating pattern and overlapping a first area of the recess and the protrusion in a periphery of the first area; a second electrode on the insulating pattern and spaced from the first electrode in a first direction, the second electrode overlapping a second area of the recess and the protrusion in a periphery of the second area; and a light emitting diode in the recess and electrically connected between the first electrode and the second electrode.

公开(公告)号：US20210399040A1

公开(公告)日：2021-12-23

申请号：US17281500

申请日：2019-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Hyun Joon KIM ,  Hyun Min CHO ,  Kyung Bae KIM ,  Min Jae JEONG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/40 ,  H01L33/44 ,  B82B3/00

Abstract: A light emitting device comprises: a substrate; a first electrode on the substrate, the first electrode having holes, and having inclined surfaces along the peripheries of the holes; second electrodes on the substrate, each of which is in a respective one of the holes of the first electrode; and light emitting elements between the first electrode and the second electrodes, the light-emitting elements being electrically connected to the first electrode and the second electrodes.

公开(公告)号：US20210396654A1

公开(公告)日：2021-12-23

申请号：US17205487

申请日：2021-03-18

Applicant: Samsung Display Co., LTD.

Inventor： Je Won YOO ,  Basrur VEIDHES ,  Dae Hyun KIM ,  Hyun Min CHO ,  Jong Won LEE ,  Joo Yeol LEE

IPC: G01N21/25 ,  G02B21/06 ,  G02B21/26 ,  G02B21/36 ,  G01N21/17

Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.

公开(公告)号：US20210391380A1

公开(公告)日：2021-12-16

申请号：US17284319

申请日：2019-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Tae Jin KONG ,  Hee Keun LEE ,  Dae Hyun KIM ,  Hyun Min CHO ,  Chang Il TAE

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

Abstract: A light emitting device may include a first electrode disposed on a substrate; a first insulating layer disposed on the substrate and overlapping at least a part of the first electrode; a second electrode disposed on the first insulating layer and spaced apart from the first electrode; and at least one light emitting diode electrically connected between the first electrode and the second electrode. The first electrode and the second electrode may be disposed on different layers on the substrate, the first insulating layer is disposed between the first electrode and the second electrode, and the first electrode and the second electrode are spaced apart from each other so as not to overlap each other in a plan view.

公开(公告)号：US20210390902A1

公开(公告)日：2021-12-16

申请号：US17283771

申请日：2019-04-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yo Han LEE ,  Su Mi MOON ,  Hyun Min CHO

IPC: G09G3/32 ,  G09G3/20

Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.

公开(公告)号：US20210358393A1

公开(公告)日：2021-11-18

申请号：US17277264

申请日：2019-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul KANG ,  Won Sik OH ,  Yo Han LEE ,  Hee Keun LEE ,  Hyun Min CHO

IPC: G09G3/32 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00

Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes