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.

公开(公告)号：US20220167477A1

公开(公告)日：2022-05-26

申请号：US17407826

申请日：2021-08-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bongjin LEE ,  June JANG

IPC: H05B45/325 ,  H05B45/10 ,  H05B45/20 ,  H05B45/48 ,  H05B45/46 ,  H05B45/56

Abstract: A light emitting diode (LED) device is provided. The LED device a first LED string configured to emit light having a first color temperature; a second LED string connected to the first LED string in parallel, and configured to emit light having a second color temperature different from the first color temperature; a controller configured to generate a control signal based on a control command received from an external controller; a switching circuit configured to control brightness of any one or any combination of the first LED string and the second LED string based on the control signal; and a power supply configured to generate an internal power voltage for operation of the controller and the switching circuit.

公开(公告)号：US20180267346A1

公开(公告)日：2018-09-20

申请号：US15982613

申请日：2018-05-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： June JANG

IPC: G02F1/1335 ,  H01R4/48 ,  H01R12/53 ,  H01R12/73 ,  H01R12/00

CPC classification number: G02F1/1336 ,  G02F1/133603 ,  G02F2001/133612 ,  H01R4/4836 ,  H01R4/4845 ,  H01R9/096 ,  H01R12/53 ,  H01R12/732

Abstract: A connector, a light source module including the connector, and a light source module array including the light source module array are provided. The connector includes a first connection part configured to connect to a first wire inserted thereto; a second connection part configured to connect to a second wire inserted thereto, the first and second connection parts being disposed to face in opposite directions; a housing covering the first and second connection parts; and a push button configured to be actuated by an external force applied thereto to release a connection of the first connection part to the first wire and a connection of the second connection part to the second wire.