公开(公告)号：US20210167248A1

公开(公告)日：2021-06-03

申请号：US15932000

申请日：2020-05-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongin YANG ,  Hankyu SEONG ,  Sunghyun SIM ,  Jihye YEON ,  Hanul YOO ,  Jihoon YUN

IPC: H01L33/24 ,  H01L33/50 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L27/15

Abstract: A semiconductor light emitting device including at least one light emitting structure on a substrate, the at least one light emitting structure including a first semiconductor pattern, an active pattern, and a second semiconductor pattern sequentially stacked in a vertical direction substantially perpendicular to an upper surface of the substrate; a first electrode contacting a substrate-facing surface of the first semiconductor pattern; and a second electrode at least partially surrounding and contacting a sidewall of the second semiconductor pattern.

公开(公告)号：US20240021661A1

公开(公告)日：2024-01-18

申请号：US18218664

申请日：2023-07-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihye YEON ,  Hankyu SEONG ,  Suhyun JO ,  Sammook KANG ,  Mihyun KIM ,  Kyungwook HWANG ,  Junsik HWANG

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/50

CPC classification number: H01L27/156 ,  H01L33/382 ,  H01L33/502

Abstract: A display apparatus, including a circuit substrate including driver circuits and first bonding electrodes, and a pixel array on the circuit substrate and including a plurality of pixels each including first to third sub-pixels, and second bonding electrodes bonded to the first bonding electrodes, the pixel array further including, a plurality of first LED cells corresponding to the first and third sub-pixels, respectively, and each including a first conductivity-type semiconductor layer, a first active layer, and a second conductivity-type semiconductor layer, a plurality of second LED cells corresponding to the second sub-pixels, respectively, and each including the first conductivity-type semiconductor layer, a second active layer, and the second conductivity-type semiconductor layer, a first electrode extending to cover upper surfaces of the plurality of first and second LED cells and connected to the first conductivity-type semiconductor layers in common.

公开(公告)号：US20230215856A1

公开(公告)日：2023-07-06

申请号：US17991032

申请日：2022-11-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sihan KIM ,  Hankyu SEONG ,  Jihye YEON

IPC: H01L25/18 ,  H01L27/15 ,  H01L23/00

CPC classification number: H01L25/18 ,  H01L24/05 ,  H01L24/08 ,  H01L27/156 ,  H01L24/80 ,  H01L2224/05018 ,  H01L2224/05027 ,  H01L2224/05073 ,  H01L2224/05082 ,  H01L2224/05564 ,  H01L2224/05567 ,  H01L2224/05573 ,  H01L2224/05582 ,  H01L2224/05647 ,  H01L2224/05681 ,  H01L2224/05686 ,  H01L2224/08147 ,  H01L2224/80379 ,  H01L2224/80896 ,  H01L2924/059 ,  H01L2924/04953 ,  H01L2924/12041

Abstract: A display apparatus includes: a circuit substrate; and a pixel array on the circuit substrate and including a plurality of pixels. The pixel array includes: light emitting diode (LED) cells constituting the plurality of pixels, each of the LED cells including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer; wavelength converters on the LED cells; an upper semiconductor layer on the LED cells and having a partition structure; a passivation layer on side surfaces of the LED cells; a first electrode along a region of the LED cells to have a grid shape; second electrodes connected to the second conductivity-type semiconductor layers; and reflective layers between the first electrode and the second electrode along the passivation layer on the side surfaces of the LED cells and having surfaces inclined toward outside of the LED cells.