公开(公告)号：US20240162210A1

公开(公告)日：2024-05-16

申请号：US18281811

申请日：2021-07-07

Applicant: LG ELECTRONICS INC.

Inventor： Baekjun KIM ,  Myeongwook BAE ,  Daewoon HONG

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62 ,  H05B45/10 ,  H05B45/20

CPC classification number: H01L25/167 ,  H05B45/10 ,  H05B45/20 ,  H01L25/0753 ,  H01L33/62

Abstract: A light source module comprises: a base; LED chips mounted on the base and generating light of predetermined colors; a control IC for controlling the operation of the LED chips; and a signal electrode connecting the LED chips and the control IC, wherein two or more LED chips outputting the same color are mounted, and the control IC controls a current value applied to the LED chips outputting the same color to adjust the brightness. The light source module can be used outdoors since a visible distance thereof is increased.

公开(公告)号：US20250029546A1

公开(公告)日：2025-01-23

申请号：US18715517

申请日：2022-11-30

Applicant: LG ELECTRONICS INC.

Inventor： Daewoon HONG ,  Jeongtak OH ,  Baekjun KIM

IPC: G09G3/32

Abstract: A display device and an operating method thereof are disclosed. A display device, according to at least one of various embodiments of the present disclosure, may comprise a display panel including a plurality of light sources and a driver IC connected to the plurality of light sources; and a control circuit that supplies, to the driver IC, power voltage and a data signal through at least one power supply line and data line, respectively, according to an input signal, wherein the control circuit may apply a reference voltage to the at least one power supply line to activate all of the light sources in a row connected through the corresponding power supply line to which the reference voltage has been applied, and may control each of the activated light sources to emit light according to data inputted through each data line in units of columns.