公开(公告)号：US20250112545A1

公开(公告)日：2025-04-03

申请号：US18977362

申请日：2024-12-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jieun BAN ,  Junghyun Lee ,  Youngjae Park ,  Jehyung Cho ,  Teaho Lee

IPC: H02M1/42 ,  H02M1/00 ,  H02M1/32 ,  H02M3/155

Abstract: An electrical device includes a power factor correction circuit including a switch, a first voltage sensor, a second voltage sensor, a memory storing instructions, and at least one processor configured to obtain second input voltage information of the electrical device, based on first input voltage information and DC link voltage information, compare the second input voltage information with preset reference voltage information, determine, based on a comparison of the second input voltage information with the preset reference voltage information, whether an input voltage of the electrical device is at least one of a low voltage or a high voltage, set a protection level of the power factor correction circuit based on the input voltage, and control an operating cycle of the switch of the power factor correction circuit, based on the protection level of the power factor correction circuit.

公开(公告)号：US12025801B2

公开(公告)日：2024-07-02

申请号：US17263937

申请日：2019-08-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongwoo Kim ,  Junghyun Lee ,  Minki Cho

IPC: G02B27/01 ,  G02B7/02

CPC classification number: G02B27/0172 ,  G02B7/02 ,  G02B27/0176 ,  G02B2027/0138 ,  G02B2027/0178

Abstract: Provided is an optical lens assembly and an electronic apparatus having the optical lens assembly.
In the optical lens assembly for an electronic apparatus, which is worn by a user to see an image generated from a display, the optical lens assembly includes at least one negative lens and at least one positive lens arranged along an optical axis of the image, and a flat semi-transparent mirror reflecting image light generated from the display and transmitting external real image light, in which each of the at least one negative lens and the at least one positive lens is a rotationally symmetric lens with respect to the optical axis.

公开(公告)号：US11909063B2

公开(公告)日：2024-02-20

申请号：US17250634

申请日：2019-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soonwan Chung ,  Myungheon Kang ,  Junho Park ,  Junghyun Lee ,  Changhyun Kim

IPC: H01M50/293 ,  H01M50/247 ,  H01M50/202 ,  C09J109/06 ,  C09J123/22 ,  H04M1/02 ,  H01M50/264 ,  H01M50/244 ,  H01M50/289 ,  H01M50/284

CPC classification number: H01M50/293 ,  C09J109/06 ,  C09J123/22 ,  H01M50/202 ,  H01M50/244 ,  H01M50/247 ,  H01M50/264 ,  H04M1/0262 ,  H01M50/284 ,  H01M50/289 ,  H01M2220/30

Abstract: An electronic device, according to various embodiments of the present disclosure, may comprise: a housing including a seating groove therein; a battery seated in the seating groove, at least a partial area of which includes a curved surface; and an adhesive member disposed between the battery and the seating groove and formed along at least a portion of an edge of the battery. The adhesive member may be formed having varied predetermined thicknesses, corresponding to a position of the battery.

公开(公告)号：US11569773B2

公开(公告)日：2023-01-31

申请号：US16922419

申请日：2020-07-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taeho Lee ,  Junghyun Lee ,  Junghoon Lee ,  Yoonsup Kim ,  Youngjae Park ,  Jieun Ban ,  Jong-Hyun Shin

IPC: H02P27/08 ,  H02M5/458 ,  F04D13/06

Abstract: A compressor control apparatus includes a rectifier configured to rectify AC power to DC power; an inverter including a plurality of switching elements, configured to convert the DC power into a three-phase voltage according to a pulse width modulation (PWM) signal applied to the plurality of switching elements; a motor configured to receive a three-phase current based on the three-phase voltage; a current detector configured to detect a sum of a first phase current, a second phase current, and a third phase current supplied to the motor; and a controller configured to differently determine a duty ratio of the PWM signal applied to each of the plurality of switching elements, and to determine the first phase current, the second phase current, and the third phase current, respectively, based on the determined duty ratio and the sum of the currents detected from the current detector.

公开(公告)号：US20230326871A1

公开(公告)日：2023-10-12

申请号：US18131258

申请日：2023-04-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junghoon Kang ,  Seungwan Shin ,  Byungmin Yu ,  Junghyun Lee

IPC: H01L23/544 ,  H01L25/10 ,  H01L23/498 ,  H01L23/31 ,  B23K26/364

CPC classification number: H01L23/544 ,  H01L25/105 ,  H01L23/49833 ,  H01L23/49838 ,  H01L23/49816 ,  H01L24/48 ,  B23K26/364 ,  H01L2225/1023 ,  H01L2225/1041 ,  H01L2225/1058 ,  H01L23/3135

Abstract: A semiconductor package includes an encapsulation layer encapsulating at least one semiconductor chip, and a redistribution level layer disposed on the encapsulation layer. The redistribution level layer includes a redistribution layer and a redistribution insulating layer insulating the redistribution layer, a laser mark area is disposed on the redistribution layer and the redistribution insulating layer, and the redistribution insulating layer of the laser mark area comprises a plurality of mesh-type redistribution insulating patterns arranged apart from each other on a plane and surrounded by the redistribution layer. The redistribution level layer includes a laser mark insulating layer located on the redistribution layer and the redistribution insulating layer, wherein the laser mark insulating layer includes a laser mark exposing the redistribution layer and the mesh-type redistribution insulating patterns in the laser mark area.