公开(公告)号：US20220376139A1

公开(公告)日：2022-11-24

申请号：US17702414

申请日：2022-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myunghee KIM ,  Seungran PARK ,  Youngki JUNG ,  Chulgyu JUNG

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

Abstract: A light-emitting diode and a display module using the same is disclosed. The light-emitting diodes includes a first semiconductor layer, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, a first chip electrode covering a first portion of an upper surface of the second semiconductor layer and a portion of a first side surface of the second semiconductor layer, and a second chip electrode covering a second portion of the upper surface of the second semiconductor layer different from the first portion of the upper surface of the second semiconductor layer and covering a second side surface of the second semiconductor layer different from the first side surface of the second semiconductor layer.

公开(公告)号：US20210005797A1

公开(公告)日：2021-01-07

申请号：US16916321

申请日：2020-06-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihoon KANG ,  Jitsuo OTA ,  Jenghun SUH ,  Jaephil SHIM ,  Myunghee KIM

IPC: H01L33/58 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/50 ,  H01L33/60 ,  H01L33/62

Abstract: An LED device includes: a first semiconductor layer of a first type; a second semiconductor layer of a second type; a light emitting layer formed between the first semiconductor layer and the second semiconductor layer and configured to emit light; and a filter formed on the second semiconductor layer and configured to transmit light in the second wavelength band within the first wavelength band. The filter includes a defect layer, first refractive layers, and second refractive layers having a refractive index greater than a refractive index of the first refractive layers, the first refractive layers and the second refractive layers are formed alternately on one side and other side of the defect layer. A thickness of the defect layer is determined based on a center wavelength of the first wavelength band, a peak wavelength of the second wavelength band and a refractive index of the defect layer.

公开(公告)号：US20230275071A1

公开(公告)日：2023-08-31

申请号：US18130198

申请日：2023-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myunghee KIM ,  Sanghyun Sohn

IPC: H01L25/075 ,  H01L33/62 ,  H01L21/683

CPC classification number: H01L25/0753 ,  H01L33/62 ,  H01L21/6835 ,  H01L2221/68313 ,  H01L2221/68354 ,  H01L2221/68368 ,  H01L2933/0066

Abstract: A display apparatus is provided. The display apparatus includes a plurality of thin film transistors (TFTs) provided on a substrate; and a plurality of pixels electrically connected to the plurality of TFTs. Each pixel includes a first light emitting diode, a second light emitting diode, and a third light emitting diode having different sizes from one another.

公开(公告)号：US20230006099A1

公开(公告)日：2023-01-05

申请号：US17827076

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myunghee KIM ,  Taesoon PARK

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

Abstract: An inorganic light emitting diode is disclosed. The inorganic light emitting diode includes a first semiconductor layer, a second semiconductor layer having a light emitting surface composed of four sides, an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode coupled to the first semiconductor layer, and a second electrode coupled to the second semiconductor layer, wherein the light emitting surface has a trapezoid shape in which two opposing sides are asymmetric in relation to each other.

公开(公告)号：US20250151496A1

公开(公告)日：2025-05-08

申请号：US18793404

申请日：2024-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Keewon LEE ,  Kihyung KANG ,  Myunghee KIM ,  Changjae KIM

IPC: H01L27/15

Abstract: A method of manufacturing a display device including: providing a plurality of light emitting elements to a base substrate through a fluid layer, the base substrate including an alignment area and a non-alignment area; aligning a first light emitting element provided to the alignment area of the base substrate to at least one electrode using an electric field; and moving a second light emitting element provided to the non-alignment area of the base substrate to the alignment area by applying a flow to the fluid layer.

公开(公告)号：US20230163233A1

公开(公告)日：2023-05-25

申请号：US18094112

申请日：2023-01-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myunghee KIM ,  Sungwook Kim ,  Yong Namkung

IPC: H01L33/02 ,  H01L25/16 ,  H01L33/00 ,  H01L23/00

CPC classification number: H01L33/02 ,  H01L25/167 ,  H01L33/007 ,  H01L33/0093 ,  H01L24/95 ,  H01L33/32

Abstract: A nanowire LED, a display module including the nanowire LED, and a method for manufacturing the display module are provided. The method for manufacturing a display module includes forming a template layer including a magnetic layer on a silicon substrate, growing a plurality of nanowire LEDs on the template layer, separating the plurality of nanowire LEDs from the template layer by ultrasonic waves, forming a plurality of unit cells in a state in which the plurality of nanowire LEDs are aligned to have a specific directivity, forming a plurality of unit pixels by transferring the plurality of unit cells onto a unit substrate, arranging the plurality of unit pixels on a thin film transistor (TFT) substrate through a fluidic self-assembly, and bonding the plurality of unit pixels to be connected to an electrode of the TFT substrate.

公开(公告)号：US20230006104A1

公开(公告)日：2023-01-05

申请号：US17826441

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myunghee KIM ,  Taesoon PARK ,  Bumki BAEK

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

Abstract: Provided is an inorganic light emitting device including a first semiconductor layer, a second semiconductor layer, an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode covered to the first semiconductor layer, a second electrode covered to the second semiconductor layer, an insulating layer covered the first electrode and the second electrode, and including via holes at positions corresponding to the first electrode and the second electrode, and a first conductive member and a second conductive member coupled to the first electrode and the second electrode, respectively, through the via holes, wherein a distance between the first conductive member and the second conductive member is greater than a distance between the first electrode and the second electrode.

公开(公告)号：US20230144996A1

公开(公告)日：2023-05-11

申请号：US18096819

申请日：2023-01-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihoon KANG ,  Jenghun SUH ,  Jitsuo OTA ,  Myunghee KIM

IPC: H01L33/38 ,  H01L33/14 ,  H01L33/62 ,  H01L33/40 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/14 ,  H01L33/62 ,  H01L33/40 ,  H01L25/0753

Abstract: A micro light emitting diode (LED) includes: a current spreading layer including a light-emitting surface; a first electrode disposed on the light-emitting surface of the current spreading layer and electrically connected to the current spreading layer; a first cladding layer and a second cladding layer that are stacked on the current spreading layer; an active layer disposed between the first cladding layer and the second cladding layer; a second electrode; and a current guiding part disposed between the second electrode and the second cladding layer, and positioned in a central part of the second cladding layer, the current guiding part being and configured to guide a current to flow away from a side surface of the micro LED.

公开(公告)号：US20220384231A1

公开(公告)日：2022-12-01

申请号：US17540859

申请日：2021-12-02

Applicant: Samsung Electronics Co., LTD.

Inventor： Myunghee KIM ,  Seungran Park ,  Youngki Jung ,  Chulgyu Jung

IPC: H01L21/68 ,  H01L25/16 ,  H01L23/00

Abstract: A guide apparatus configured to transfer light-emitting devices in a liquid onto a substrate is provided. The guide apparatus includes a base configured to support the substrate; and a guide member configured to couple with the base to be seated on a mounting surface of the substrate in a state in which the substrate is supported on a surface of the base, wherein the guide member includes guide holes configured to respectively guide the light-emitting devices in the liquid to be disposed on the mounting surface of the substrate.

公开(公告)号：US20200350477A1

公开(公告)日：2020-11-05

申请号：US16864564

申请日：2020-05-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaephil SHIM ,  Jihoon KANG ,  Myunghee KIM ,  Jenghun SUH ,  Jitsuo OTA

IPC: H01L33/62 ,  H01L33/50 ,  H01L33/60 ,  G09G3/32 ,  H01L33/00 ,  H01L25/075

Abstract: A display panel including a plurality of LED elements and a driving circuit configured to drive the plurality of LED elements. The plurality of LED elements includes an LED element having a first light emitting cell including a first light emitting layer, a tunnel junction layer formed on the first light emitting layer, and a second light emitting cell formed on the tunnel junction layer and including a second light emitting layer. A first electrode is electrically connected to the first light emitting cell, and a second electrode is electrically connected to the second light emitting cell. The first light emitting cell is electrically connected to the second light emitting cell through the tunnel junction layer. The LED element is a flip-chip type LED element.