公开(公告)号：US20250006872A1

公开(公告)日：2025-01-02

申请号：US18885155

申请日：2024-09-13

Applicant: SAMSUNG ELECTRONICS Co., LTD.

Inventor： Seongmin KIM ,  Jeongeun YUN ,  Jeongrok OH ,  Sungwoo CHOI ,  Chulsoo YOON

IPC: H01L33/50 ,  F21V8/00 ,  H01L25/075

Abstract: A light emitting device includes a first light emitter including a first light emitting chip emitting first blue light and at least one among a first phosphor and a second phosphor, the first light emitter being configured to emit second blue light, and a second light emitter including a second light emitting chip emitting third blue light and at least one among a third phosphor and a fourth phosphor, the second light emitter being configured to emit fourth blue light, wherein a ratio of an intensity of a peak wavelength of the fourth blue light to an intensity of a peak wavelength of the second blue light is greater than or equal to 0.6.

公开(公告)号：US20230160545A1

公开(公告)日：2023-05-25

申请号：US18158207

申请日：2023-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungwoo CHOI ,  Seongmin KIM ,  Jeongeun YUN ,  Chohui KIM ,  Seulgee LEE ,  Jeongrok OH ,  Chulsoo YOON

IPC: F21K9/64 ,  H01L25/075 ,  H01L33/50

CPC classification number: F21K9/64 ,  H01L25/0753 ,  H01L33/504 ,  F21Y2115/10

Abstract: A light emitting diode (LED) module that is configured to emit white light is provided. The LED module includes: a blue light emitting diode configured to emit blue light having a first peak wavelength of 420 nm to 465 nm; and a near-infrared wavelength conversion material that is configured to be excited by the blue light to emit additional light having a peak wavelength in a range of 740 nm to 900 nm, and further having a full width at half maximum (FWHM) of 120 nm or less. The near-infrared wavelength conversion material includes Ca(Al12-x-y,Gay)O19:xCr3+ (0≤x≤1, 0≤y≤6).

公开(公告)号：US20220210881A1

公开(公告)日：2022-06-30

申请号：US17500571

申请日：2021-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seulgee LEE ,  Seongmin KIM ,  Chohui KIM ,  Jeongeun YUN ,  Sungwoo CHOI ,  Jeongrok OH ,  Chulsoo YOON

IPC: H05B45/20 ,  H05B45/30 ,  F21K9/64 ,  H05B45/10 ,  H01L33/50

Abstract: An LED lighting apparatus, including an LED light source configured to emit white light having a first melanopic/photopic (M/P) ratio; a tuning LED light source configured to emit tuning blue light having a peak wavelength in a range of 465 nm to 495 nm; and a driving control unit configured to control currents respectively applied to the LED light source and the tuning LED light source to generate tuned white light having a second M/P ratio higher than the first M/P ratio

公开(公告)号：US20210251070A1

公开(公告)日：2021-08-12

申请号：US17148913

申请日：2021-01-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Juseok NOH ,  Taejin KANG ,  Sunghyun KIM ,  Seonghyeon LEE ,  Daechul JEONG ,  Seongmin KIM

IPC: H05K1/02 ,  H05K1/14 ,  H05K1/11

Abstract: An electronic device including a shielding structure is provided. The electronic device includes a housing, a first board disposed in an inner space of the housing and including a first electrical element and a first ground layer, a second board disposed in the inner space to be spaced apart from the first board and including a second electrical element, and an interposer disposed between the first board and the second board so as to electrically connect the first board and the second board to each other. The second board includes a first surface facing the first board, a second surface facing away from the first surface, insulating layers disposed between the first surface and the second surface, first slits formed at a predetermined interval in a first conductive area disposed in a first insulating layer among the insulating layers, and second slits formed at a predetermined interval in a second conductive area disposed in a second insulating layer between the first insulating layer and the second surface. The first slits are disposed at a position where the plurality of first slits do not overlap the plurality of second slits in case the second board is viewed from above.

公开(公告)号：US20210075459A1

公开(公告)日：2021-03-11

申请号：US17018022

申请日：2020-09-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Juseok NOH ,  Hongil KWON ,  Yeonwoo KIM ,  Seongmin KIM

IPC: H04B1/3827 ,  H01Q1/52 ,  G06F3/041 ,  H04M1/02 ,  H01Q1/24

Abstract: An electronic device including an antenna is provided. The electronic device includes a housing including a first housing structure having a first side member, a second housing structure having a second side member, and a hinge structure connecting the first housing structure and the second housing structure to each other, and a transceiver electrically connected with the first side member and the second side member. The first side member includes a first conductive member, a second conducive member spaced apart from the first conductive member, and a first nonconductive member disposed between the first conductive member and the second conductive member, as a first antenna group, and a third conductive member disposed at an edge adjacent to the hinge structure of edges of the first side member to correspond to the first conductive member, a fourth conductive member facing the second conductive member and spaced apart from the third conductive member, and a second nonconductive member disposed between the third conductive member and the fourth conductive member as a second antenna group.