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：US20240021589A1

公开(公告)日：2024-01-18

申请号：US18221699

申请日：2023-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sammook Kang ,  Mihyun Kim ,  Hankyu Seong ,  Jihye Yeon

IPC: H01L25/075 ,  H01L33/62 ,  H01L33/38 ,  H01L33/50 ,  H01L25/16 ,  H01L27/15

CPC classification number: H01L25/0753 ,  H01L33/62 ,  H01L33/382 ,  H01L33/505 ,  H01L25/167 ,  H01L27/156

Abstract: A display apparatus includes a circuit board including a driver circuit, and a pixel array including a plurality of pixels on the circuit board, where each of the plurality of pixels includes a first sub-pixel, a second sub-pixel, and a third sub-pixel, and where the pixel array includes a lower light emitting structure including a first lower light-emitting diode (LED) cell, a second lower LED cell, and a third lower LED cell respectively corresponding to the first sub-pixel, the second sub-pixel, and the third sub-pixel, each of the first lower LED cell, the second lower LED cell, and the third lower LED cell including a first semiconductor laminate configured to emit first light of a first wavelength, and a base insulating layer on lower surfaces of the first lower LED cell, the second lower LED cell, and the third lower LED cell.

公开(公告)号：US10229831B2

公开(公告)日：2019-03-12

申请号：US15656305

申请日：2017-07-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngjo Tak ,  Sammook Kang ,  Mihyun Kim ,  Junyoun Kim

IPC: H01L21/02

Abstract: A method of fabricating a nitride semiconductor substrate including forming a buffer layer on a surface of a growth substrate, growing a first nitride semiconductor layer on the buffer layer, growing a second nitride semiconductor layer on the first nitride semiconductor layer, and removing the growth substrate may be provided. The forming a buffer layer may deform the surface of the growth substrate to have a convex shape. The forming a buffer layer and the growing a first nitride semiconductor layer may be performed within a first process chamber. The growing a second nitride semiconductor layer and the removing the growth substrate may be performed within a second process chamber.

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：US10818649B2

公开(公告)日：2020-10-27

申请号：US16415048

申请日：2019-05-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kongtan Sa ,  Sammook Kang ,  Yongil Kim

IPC: H01L25/16

Abstract: Display devices and methods of fabricating display devices are provided. The display device includes a circuit board; a first light-emitting device array substrate mounted on the circuit board; and a second light-emitting device array substrate mounted on the circuit board adjacent the first light-emitting device array substrate in a first direction. The circuit board defines a groove that overlaps a boundary between the first light-emitting device array substrate and the second light-emitting device array substrate.