公开(公告)号：US20220039229A1

公开(公告)日：2022-02-03

申请号：US17322791

申请日：2021-05-17

申请人： SOLUM CO., LTD.

发明人： Jurae KIM ,  Jeonggye LIM ,  Eunji KIM

IPC分类号： H05B45/20 ,  H05B45/10 ,  H05B47/175

摘要： A lighting device is disclosed. The lighting device includes a first light emitting element having a first color temperature, a second light emitting element having a second color temperature, a communication interface, and a processor configured to, when a first user input for adjusting a brightness of the lighting device is received via the communication interface, adjust both brightness of the first light emitting element and the second light emitting element based on the first user input, when a second user input for adjusting a color temperature is received, obtain ratio information of the brightness of the first light emitting element to the brightness of the second light emitting element based on the second user input, and adjust both brightness of the first light emitting element and the second light emitting element based on the obtained ratio information.