公开(公告)号：US20220269066A1

公开(公告)日：2022-08-25

申请号：US17630300

申请日：2019-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Hyungseok BANG ,  Seonghong PARK ,  Sangchul LEE ,  Chaedeok LEE

IPC: G02B26/06 ,  G02B27/30 ,  G02B26/08

Abstract: The present invention relates to a beam steering device for steering a beam without a physical movement, the beam steering device comprising: a light source unit for irradiating parallel light; and a phase control array for controlling a reflection angle of the parallel light irradiated from the light source unit, wherein the phase control array comprises a plurality of cells in a region where the parallel light is irradiated, and the reflection angle is controlled by controlling the phase of light reflected by each of the plurality of cells.

公开(公告)号：US20240203951A1

公开(公告)日：2024-06-20

申请号：US18196937

申请日：2023-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Hyungseok BANG

IPC: H01L25/075 ,  H01L33/10 ,  H01L33/32 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L33/10 ,  H01L33/32 ,  H01L33/382 ,  H01L33/62

Abstract: Discussed is a display device having a light emitting structure that can include first light emitting structures stacked on a first insulating layer on top of a driving panel, second light emitting structures stacked in alignment with the first light emitting structures on a second insulating layer on top of the first light emitting structures, and light emitting elements stacked on a third insulating layer on top of the second light emitting structures to be spaced apart from centers of the second light emitting structures. Each of the light emitting elements includes a p-electrode and an n-common electrode, and the p-electrode of the light emitting element can be connected to one of p-electrodes of the driving panel through an insulating structure, in which the first to third insulating layers are vertically connected.

公开(公告)号：US20230402567A1

公开(公告)日：2023-12-14

申请号：US18035035

申请日：2021-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungseok BANG ,  Hyungjo PARK

IPC: H01L33/10 ,  H01L25/075 ,  H01L33/50

CPC classification number: H01L33/105 ,  H01L33/505 ,  H01L25/0753

Abstract: A display device comprises a substrate including a first sub-pixel, a second sub-pixel, and a third sub-pixel, the first sub-pixel, the second sub-pixel, and the third sub-pixel constituting a pixel, a first light resonance structure disposed in the first sub-pixel and configured to emit a first light using a first light resonance mode, a second light resonance structure disposed in the second sub-pixel and configured to emit a second light using a second light resonance mode, and a third light resonance structure disposed in the third sub-pixel and configured to emit a third light using a third light resonance mode.

公开(公告)号：US20230070225A1

公开(公告)日：2023-03-09

申请号：US17903599

申请日：2022-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyungseok BANG ,  Sukkoo JUNG ,  Hwankuk YUH ,  Jaechoon LEE

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

Abstract: The embodiment relates to a semiconductor light emitting device for a display panel and a display device including the same. The semiconductor light emitting device can include a light emitting structure comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, a first electrode layer electrically connected to the first conductivity type semiconductor layer, a second reflective electrode layer electrically connected to the second conductivity-type semiconductor layer, a passivation layer disposed on the light emitting structure, a first reflective electrode layer disposed on a side surface of the light emitting structure. The first reflective electrode layer can include a first-first reflective electrode layer in contact with a side surface of the light emitting structure and a first-second reflective electrode layer connected to the first-first reflective electrode layer and disposed on the passivation layer.

公开(公告)号：US20250015242A1

公开(公告)日：2025-01-09

申请号：US18711005

申请日：2021-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Younghak CHANG ,  Sukkoo JUNG ,  Hyungseok BANG

IPC: H01L33/62 ,  H01L25/16

Abstract: A display device includes a substrate including a plurality of pixels, and semiconductor light emitting device in each of the plurality of pixels. The substrate may include an electrode pad part, and the semiconductor light emitting device includes electrodes. The electrode is disposed on the electrode pad part, and at least one of the electrode pad part or the electrode may have a texture structure.