公开(公告)号：US20230327323A1

公开(公告)日：2023-10-12

申请号：US18210975

申请日：2023-06-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongmin KIM ,  Sangho HONG ,  Hyoseok NA ,  Gunhee PARK ,  Yongam SON ,  Jongkwan LEE ,  Hanyeop LEE ,  Taihwan CHOI

IPC: H01Q1/24 ,  H04N23/57 ,  H01Q5/314

CPC classification number: H01Q1/243 ,  H04N23/57 ,  H01Q5/314

Abstract: An electronic device according to an embodiment may include a camera module, a metal structure, a first antenna adjacent to the camera module, a second antenna spaced from the camera module, a switching module electrically connected to the metal structure, including at least one lumped element, and adjusting an impedance by using the at least one lumped element, and at least one processor. The at least one processor is configured to transmit a signal in a first frequency band by feeding the first antenna and control the switching module such that the switching module has a first impedance corresponding to the first frequency band and electrically connects the metal structure and the ground when the transmission power of the first antenna is equal to or more than the designated value.

公开(公告)号：US20240313395A1

公开(公告)日：2024-09-19

申请号：US18675871

申请日：2024-05-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongmin KIM ,  Sangho HONG ,  Myounggyo SEO ,  Hyoseok NA ,  Gunhee PARK ,  Yongam SON ,  Jongkwan LEE ,  Hanyeop LEE ,  Taihwan CHOI

IPC: H01Q1/52 ,  H01Q1/22 ,  H01Q1/24

CPC classification number: H01Q1/526 ,  H01Q1/2266 ,  H01Q1/243

Abstract: According to various embodiments disclosed herein, an electronic device comprises: a housing; a display; a ground sheet disposed on the rear surface of the display; a substrate disposed in an inner space of the housing; an antenna disposed on at least one side of the housing; and a flexible sheet having a display drive circuit (DDI) configured to control the display, disposed thereon, wherein openings that pass through the flexible sheet are formed in an area between the display drive circuit and the antenna, conductive members comprising a conductive material are disposed in the openings, and the conductive members are electrically connected to the ground sheet, thereby reducing the noise induced in the antenna.

公开(公告)号：US20230171858A1

公开(公告)日：2023-06-01

申请号：US17942689

申请日：2022-09-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Deokhee HAN ,  Sangcheol BONG ,  Hyunjung KIM ,  Jongkwan LEE ,  June JANG ,  Minsoo HAN

IPC: H05B45/10 ,  H05B45/325 ,  H05B45/46

CPC classification number: H05B45/10 ,  H05B45/325 ,  H05B45/46

Abstract: A light emitting diode (LED) driving device is provided. The LED driving device includes a rectifier configured to generate a rectified voltage, wherein the rectifier is directly connected to an input node of a light source including LEDs; a regulator configured to output a direct current (DC) power supply voltage using the rectified voltage; a microcontroller including a control terminal and a power terminal, wherein the microcontroller is configured to generate a dimming control signal based on a voltage input, receive the DC power supply voltage through the power terminal and output the dimming control signal through the control terminal; a driver configured to control an LED current to flow through the LEDs based on the dimming control signal; and a switch connected between a control node and a ground node, wherein an output terminal of the regulator and the control terminal are connected to the control node.