公开(公告)号：US20220139999A1

公开(公告)日：2022-05-05

申请号：US17374568

申请日：2021-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihye YEON ,  Sammook Kang ,  Hankyu Seong ,  Jongin Yang ,  Hanul Yoo ,  Jihoon Yun

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/40 ,  H01L33/42 ,  H01L33/46 ,  H01L33/50 ,  H01L33/58 ,  H01L33/62

Abstract: A display apparatus includes a circuit board including a driving circuit, and a pixel array including a plurality of pixels on the circuit board, each including a plurality of sub-pixels, and a light blocking partition between the plurality of sub-pixels. Each of the plurality of sub-pixels includes a lower light emitting diode (LED) cell configured to generate light of a first wavelength. A first sub-pixel includes a transparent resin structure on the first lower LED cell, a second sub-pixel includes an inter-cell insulating layer on the second lower LED cell and an upper LED cell having on the inter-cell insulating layer and configured to generate light of a second wavelength, and a third sub-pixel includes a wavelength conversion structure on the third lower LED cell and configured to convert light of the first wavelength into light of a third wavelength.

公开(公告)号：US11728371B2

公开(公告)日：2023-08-15

申请号：US17716492

申请日：2022-04-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihye Yeon ,  Hanul Yoo ,  Jihoon Yun ,  Suhyun Jo

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/32 ,  H01L33/38 ,  H01L33/46 ,  H01L33/62 ,  H01L25/18 ,  H01L33/00 ,  H01L27/12 ,  H01L23/00

CPC classification number: H01L27/156 ,  H01L24/08 ,  H01L24/89 ,  H01L25/18 ,  H01L27/124 ,  H01L27/1248 ,  H01L33/0075 ,  H01L33/32 ,  H01L33/382 ,  H01L33/46 ,  H01L33/502 ,  H01L33/505 ,  H01L33/62 ,  H01L2224/08146 ,  H01L2224/08147 ,  H01L2224/80001 ,  H01L2933/0016 ,  H01L2933/0025 ,  H01L2933/0041 ,  H01L2933/0066

Abstract: An LED module includes light emission windows; LED cells corresponding to the light emission windows, the LED cells each including a lower and upper light emitting structure, the lower light emitting structure having an upper surface with first and second regions and having a first conductivity-type semiconductor layer, the upper light emitting structure being on the first region of the lower light emitting structure and having a second conductivity-type semiconductor layer, the LED cells including an active layer between the first and second conductivity-type semiconductor layers; a protective insulating film on a side surface of the lower light emitting structure and on the second region; a light blocking film on the protective insulating film, between the LED cells; a gap-fill insulating film on the protective insulating film between the LED cells and contacting a side surface of the upper light emitting structure; a first electrode; and a second electrode.

公开(公告)号：US11380818B2

公开(公告)日：2022-07-05

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 ,  H01L33/00

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：US12159895B2

公开(公告)日：2024-12-03

申请号：US17374568

申请日：2021-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihye Yeon ,  Sammook Kang ,  Hankyu Seong ,  Jongin Yang ,  Hanul Yoo ,  Jihoon Yun

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/40 ,  H01L33/42 ,  H01L33/46 ,  H01L33/50 ,  H01L33/58 ,  H01L33/62

Abstract: A display apparatus includes a circuit board including a driving circuit, and a pixel array including a plurality of pixels on the circuit board, each including a plurality of sub-pixels, and a light blocking partition between the plurality of sub-pixels. Each of the plurality of sub-pixels includes a lower light emitting diode (LED) cell configured to generate light of a first wavelength. A first sub-pixel includes a transparent resin structure on the first lower LED cell, a second sub-pixel includes an inter-cell insulating layer on the second lower LED cell and an upper LED cell having on the inter-cell insulating layer and configured to generate light of a second wavelength, and a third sub-pixel includes a wavelength conversion structure on the third lower LED cell and configured to convert light of the first wavelength into light of a third wavelength.

公开(公告)号：US11302745B2

公开(公告)日：2022-04-12

申请号：US16901451

申请日：2020-06-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihye Yeon ,  Hanul Yoo ,  Jihoon Yun ,  Suhyun Jo

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/32 ,  H01L33/38 ,  H01L33/46 ,  H01L33/62 ,  H01L25/18 ,  H01L27/12 ,  H01L33/00 ,  H01L23/00

Abstract: An LED module includes light emission windows; LED cells corresponding to the light emission windows, the LED cells each including a lower and upper light emitting structure, the lower light emitting structure having an upper surface with first and second regions and having a first conductivity-type semiconductor layer, the upper light emitting structure being on the first region of the lower light emitting structure and having a second conductivity-type semiconductor layer, the LED cells including an active layer between the first and second conductivity-type semiconductor layers; a protective insulating film on a side surface of the lower light emitting structure and on the second region; a light blocking film on the protective insulating film, between the LED cells; a gap-fill insulating film on the protective insulating film between the LED cells and contacting a side surface of the upper light emitting structure; a first electrode; and a second electrode.