Lighting module and lighting device having same

    公开(公告)号:US12253709B2

    公开(公告)日:2025-03-18

    申请号:US17439483

    申请日:2020-03-19

    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; and a resin layer disposed on the substrate and the plurality of light sources, and a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, the exit surface of the resin layer includes a plurality of convex portions, the plurality of light sources are disposed on a virtual curve, wherein a straight line passing through centers of the first and second light sources adjacent to each other and the centers of each convex portion may be disposed at an obtuse angle with respect to a straight line connecting the adjacent first and second light sources.

    LENS DRIVING DEVICE AND CAMERA DEVICE

    公开(公告)号:US20250085612A1

    公开(公告)日:2025-03-13

    申请号:US18727131

    申请日:2023-03-30

    Abstract: The present embodiment relates to a lens driving device comprising: a housing; a lens holder disposed within the housing; a first magnet disposed in the housing; a second magnet disposed on the lens holder; a first coil that moves the first magnet in an optical axis direction through interaction with the first magnet; a second coil that moves the second magnet in a direction perpendicular to the optical axis through interaction with the second magnet; a first ball disposed between the housing and the lens holder, and a wire movably supporting the lens holder relative to the housing.

    Method and apparatus for controlling wireless power transmission

    公开(公告)号:US12249850B2

    公开(公告)日:2025-03-11

    申请号:US18356078

    申请日:2023-07-20

    Abstract: A wireless power transmitter of transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present in a charging area of the wireless power transmitter; and a transmission part configured to transmit a wireless power according to whether the foreign object is present, wherein the controller receives a signal including an FOD status packet from the wireless power receiver, determines whether the foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; wherein the controller is set to operate in a first power transfer mode when it is determined that the foreign object is present in the charging area, or to operate in a second power transfer mode when it is determined that the foreign object is not present in the charging area; wherein the controller receives a reception power packet including information on the reception power intensity from the wireless power receiver, determines the reception power intensity of the wireless power receiver based on the information on the reception power intensity, measures or calculates a power loss based on a difference between the determined reception power intensity and the transmission power intensity of the wireless power transmitter, and corrects any one of a transmission power, a reception power, and a loss of power using the power loss; and wherein the controller determines whether the foreign object is present in the charging area of the wireless power transmitter while being operated in the second power transfer mode.

    Camera lens barrel, camera module, and optical device

    公开(公告)号:US12248241B2

    公开(公告)日:2025-03-11

    申请号:US18461969

    申请日:2023-09-06

    Abstract: The present invention comprises: a base; a housing disposed at one side of the base; a lens barrel disposed inside the housing; a cover disposed at one side of the housing; a first substrate disposed at the other side of the base; an image sensor which is installed on the first substrate, and disposed below the lens barrel; a diaphragm set which is movably supported inside the housing and which adjusts the amount of light incident to the lens barrel; a first drive unit comprising a first coil and a first magnet which enable the lens barrel and the diaphragm set to move together in the optical axis direction; and a second substrate which is attached to the housing and comprises a plurality of terminals which protrude to the outside as a result of the drive of the first drive unit, wherein the diaphragm set has a second drive unit for driving the diaphragms disposed therein, and the terminals are also connected to the second drive unit.

    LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE INCLUDING SAME

    公开(公告)号:US20250080818A1

    公开(公告)日:2025-03-06

    申请号:US18952102

    申请日:2024-11-19

    Abstract: An embodiment includes: a base; a circuit board which is disposed on the base and which includes first and second terminals; a housing disposed on the circuit board; a bobbin disposed in the housing; a first coil disposed on the bobbin; a sensing magnet disposed on the bobbin; a magnet disposed in the housing; a first position sensor which is disposed in the housing and which corresponds to the sensing magnet; a second coil disposed between the base and the magnet; and a second position sensor which is disposed on the circuit board and which includes a first sensor and a second sensor, wherein each of the first sensor and the second sensor is a driver integrated circuit including a hall sensor and a driver, a clock signal is provided to the first terminal of the circuit board, a data signal is provided to the second terminal of the circuit board, and the driver of each of the first position sensor, the first sensor, and the second sensor transmits/receives the clock signal through the first terminal of the circuit board, and transmits/receives the data signal in a time-division manner through the second terminal of the circuit board.

    Motor control device and method therefor

    公开(公告)号:US12244257B2

    公开(公告)日:2025-03-04

    申请号:US18266131

    申请日:2021-12-09

    Abstract: A motor control method according to an embodiment of a present invention comprises the steps of: performing three-phase commutation in a first range section of a motor rotational speed in a brake mode of a motor; performing two-phase commutation in a second range section of the motor rotational speed performing one-phase commutation in a first range section of the motor rotational speed; and turning off commutation when the motor rotational speed is less than or equal to the first range section.

    Light driving apparatus and method for driving same

    公开(公告)号:US12238834B2

    公开(公告)日:2025-02-25

    申请号:US18029952

    申请日:2021-10-08

    Inventor: Dong Yun Kwak

    Abstract: A light driving apparatus according to an embodiment includes a light part; a first sensing part configured to sense an input current value of the light part; a second sensing part configured to sense an output voltage value of the light part; and a control part configured to sense the output voltage value through the second sensing part based on the input current value sensed through the first sensing part and determine a state of the light part based on the output voltage value; wherein the control part is configured to start a sensing operation of the output voltage value through the second sensing part after a first de-bouncing time has elapsed from a start point in which current is applied to the light part, and stop the sensing operation of the output voltage value through the second sensing part before a second de-bouncing time from an end point at which the current applied to the light part is blocked.

    Lighting module, lighting device and lamp

    公开(公告)号:US12237311B2

    公开(公告)日:2025-02-25

    申请号:US17622943

    申请日:2020-07-02

    Abstract: A lighting device disclosed in an embodiment of the invention includes: a first substrate; a first light emitting device disposed on the first substrate; a resin layer disposed on the first substrate; a second substrate disposed on the resin layer; and a second light emitting device disposed on the second substrate and disposed in the resin layer. The resin layer may include a first surface from which light emitted from the first and second light emitting devices is emitted, and the first surface of the resin layer may include a plurality of convex portions and a plurality of concave portions.

    Lens moving apparatus, and camera module and portable device including the same

    公开(公告)号:US12235516B2

    公开(公告)日:2025-02-25

    申请号:US18150361

    申请日:2023-01-05

    Abstract: A lens moving apparatus is disclosed. The lens moving apparatus includes a cover member, a housing disposed in the cover member, a bobbin disposed in the housing, the bobbin being provided in an inner circumferential surface thereof with a screw thread, the bobbin being configured to move in a first direction, which is parallel to an optical-axis direction, a first coil provided on an outer circumferential surface of the bobbin, a first magnet coupled to the housing so as to be opposite the first coil, an upper elastic member provided at an upper surface of the bobbin, the upper elastic member being coupled to the bobbin and the housing, a lower elastic member provided at a lower surface of the bobbin, the lower elastic member being coupled to the bobbin and the housing, a circuit member comprising a second coil disposed under the housing so as to be opposite the first magnet, a circuit board disposed at a lower side of the circuit member, the circuit board being connected to the circuit member, a plurality of support members connected to the upper elastic member, and a base disposed under the circuit board, the base being coupled to the cover member.

    OPTICAL SYSTEM, CAMERA MODULE, AND MOBILE TERMINAL

    公开(公告)号:US20250060564A1

    公开(公告)日:2025-02-20

    申请号:US18722793

    申请日:2022-12-21

    Inventor: Jae Wook JUNG

    Abstract: A camera module disclosed in an embodiment of the invention includes a lens barrel having a through hole therein; and an optical system disposed in the through hole of the lens barrel and having a plurality of lenses which an optical axis is aligned from an object side toward a sensor side, wherein a sensor-side lens closest to an image sensor among the plurality of lenses includes an object-side surface and a sensor-side surface, the sensor-side lens has a length in a first direction orthogonal to the optical axis longer than a length in a second direction, the sensor-side lens includes an outer protrusion protruding on one side in the second direction, and the sensor-side surface of the sensor-side lens may have an asymmetrical shape in a shape of a lens surface from the optical axis to an end of an effective region in the first direction and a lens surface from the optical axis to an end of an effective region in the second direction.

Patent Agency Ranking