公开(公告)号：US20210397045A1

公开(公告)日：2021-12-23

申请号：US17128609

申请日：2020-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungwook HWANG ,  Junsik HWANG

IPC: G02F1/1335 ,  G02F1/13357

Abstract: Provided is a backlight unit configured to emit light to a liquid crystal display device including a plurality of pixels, the backlight unit including a substrate including a driving circuit, and a light source array including a plurality of micro light-emitting elements provided on the substrate, wherein a number of micro light-emitting elements is equal to or greater than a number of the plurality of pixels.

公开(公告)号：US20210249556A1

公开(公告)日：2021-08-12

申请号：US16933187

申请日：2020-07-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junsik HWANG ,  Kyungwook HWANG

IPC: H01L33/00 ,  H01L33/24 ,  H01L33/40 ,  H01L33/38 ,  H01L33/44 ,  H01L25/075

Abstract: A light-emitting diode (LED) device includes a light-emitting layer having a core-shell structure that comprises a first semiconductor layer, an active layer, and a second semiconductor layer; a passivation layer formed to cover at least a portion of a side surface and a portion of an upper surface of the second semiconductor layer; a first electrode formed on a portion of the passivation layer that is located on a side surface of the light-emitting layer, the first electrode electrically connected to the first semiconductor layer and including a reflective material; and a second electrode formed on a portion of the passivation layer that is located on an upper surface of the light-emitting layer, the second electrode contacting a portion of the upper surface of the second semiconductor layer that is exposed.