Invention Application
- Patent Title: LED LIGHTING APPARATUS
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Application No.: US17500571Application Date: 2021-10-13
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Publication No.: US20220210881A1Publication Date: 2022-06-30
- Inventor: Seulgee LEE , Seongmin KIM , Chohui KIM , Jeongeun YUN , Sungwoo CHOI , Jeongrok OH , Chulsoo YOON
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si
- Priority: KR10-2020-0189659 20201231
- Main IPC: H05B45/20
- 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
Public/Granted literature
- US11497094B2 LED lighting apparatus Public/Granted day:2022-11-08
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