公开(公告)号：US20230067606A1

公开(公告)日：2023-03-02

申请号：US17832075

申请日：2022-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungwoo CHOI ,  Gunhee PARK ,  Yongsuk LEE

IPC: H02J7/00

Abstract: In various embodiments, an electronic device may include a battery pack including a charging terminal, a discharging terminal, and at least one battery cell. A first substrate is connected to the charging terminal and a second substrate is connected to the discharging terminal. An external connector is mounted on the first substrate and connected to an external power supply device. A first internal connector is mounted on the first substrate and connected to the charging terminal. A second internal connector is mounted on the second substrate and connected to the discharging terminal. A charging circuit is mounted on the first substrate and configured to receive a first power signal from the power supply device through the external connector, to adjust a current and/or voltage of the received first power signal, and to output the adjusted first power signal to the charging terminal through the first internal connector. A system of the electronic device is mounted on the second substrate. A power management circuit is mounted on the second substrate and configured to receive a second power signal for the system to operate from the discharging terminal through a second internal connector, and to supply the received second power signal to the system.

公开(公告)号：US20200381596A1

公开(公告)日：2020-12-03

申请号：US16732586

申请日：2020-01-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungwoo CHOI ,  Seongmin KIM ,  Inhyung LEE

IPC: H01L33/50 ,  H01L33/06 ,  H01L33/56 ,  H01L25/075

Abstract: A light emitting device includes a first LED chip to emit a light having a peak wavelength in a range of 410 to 430 nm, a second LED chip to emit a light having a peak wavelength in a range of 440 to 460 nm, a first quantum dot to convert light emitted by the first and second LED chips into light having a peak wavelength in a range of 510 to 550 nm, and a second quantum dot to convert light emitted by the first and second LED chips into light having a peak wavelength in a range of 610 to 660 nm, wherein, in an emission spectrum of final light, intensity of a peak wavelength of the first LED chip is 15% or less of intensity of a peak wavelength of the second LED chip.

公开(公告)号：US20240079533A1

公开(公告)日：2024-03-07

申请号：US18236105

申请日：2023-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H01L33/504 ,  G02B6/0073 ,  H01L25/0753 ,  H01L33/505

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：US20220209075A1

公开(公告)日：2022-06-30

申请号：US17185431

申请日：2021-02-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/50

Abstract: A white light emitting device is provided. The white light emitting device includes a blue light emitting diode configured to emit blue light having a peak wavelength in a first range of 440 nm to 455 nm; a first wavelength conversion material, based on being excited by the blue light, emits first light having a peak wavelength in a second range of 535 nm to 550 nm and a full width at half maximum (FWHM) of 60 nm or less; and a second wavelength conversion material, based on being excited by the blue light, emits second light having a peak wavelength in a third range of 620 nm to 660 nm, wherein a melanopic photopic ratio of white light emitted from the white light emitting device is 0.65 or less, and a color rendering index (CRI) of the white light is 80 or more.

公开(公告)号：US20240405165A1

公开(公告)日：2024-12-05

申请号：US18662576

申请日：2024-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeongeun YUN ,  Seongmin KIM ,  Sungwoo CHOI ,  Kyounghoon KIM ,  Minhee NOH ,  Jeongrok OH

IPC: H01L33/50 ,  H01L25/075

Abstract: A light emitting device includes a light emitting diode chip configured to emit first light having a peak wavelength of 400 nm to 470 nm; a wavelength conversion material converting a portion of the first light into second light having a peak wavelength of 620 nm to 670 nm; and a near-infrared phosphor configured to convert a portion of the first light into third light having a peak wavelength of 740 nm to 820 nm, wherein the near-infrared phosphor includes a phosphor represented by composition formula CaAl(12-x-y)GayO19:xCr3+, where x satisfies 0.1≤x≤0.3 and y satisfies 1 or more, and an emission spectrum of the third light alone has a ratio of an intensity of 690 nm relative to an intensity of 780 nm of 0.3 or less.

公开(公告)号：US20210123573A1

公开(公告)日：2021-04-29

申请号：US16901478

申请日：2020-06-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chohui KIM ,  Seulgee LEE ,  Sungwoo CHOI ,  Inhyung LEE

IPC: F21K9/64 ,  A01G7/04 ,  F21V23/00

Abstract: A light emitting device for plant growth includes a blue light emitting diode (LED) configured to emit blue light, and at least one wavelength converting material configured to be excited by the blue light and convert the blue light into light having a different wavelength, the converted light being light for plant growth. An emission spectrum of the light for plant growth is when a photosynthetic photon flux (PPF) in a 400 nm to 500 nm band is 1, a PPF in a 500 nm to 600 nm band is in a range of 6 to 10, and a PPF in a 600 nm to 700 nm is in a range of 5 to 7.

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：US20220158466A1

公开(公告)日：2022-05-19

申请号：US17421419

申请日：2020-01-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heeseung CHOI ,  Sungwoo CHOI ,  Yongsuk LEE ,  Youngwoo CHO ,  Woojong CHO ,  Kuyoung CHOI

IPC: H02J7/00

Abstract: An electronic device, according to one embodiment of the present invention, comprises: a housing; a drive unit for moving the housing; a battery mounting unit formed in the housing so as to enable the placement of batteries, the battery mounting unit comprising a first slot enabling the placement of a first battery, and a second slot enabling the placement of a second battery; a separator device, disposed on the battery mounting unit, for separating the first battery from the first slot or separating the second battery from the second slot; and a processor electrically connected to the drive unit and the separator device, wherein the processor may control the separator device so that same separates the second battery from the second slot when the first battery is placed in the first slot, and separates the first battery from the first slot when the second battery is placed in the second slot. In addition, other various embodiments are possible.