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公开(公告)号:US11102870B1
公开(公告)日:2021-08-24
申请号:US17035957
申请日:2020-09-29
Applicant: LRU TECHNOLOGY INC.
Inventor: Lu-Sung Yeh
Abstract: A lighting device with physiological dimming and a dimming method for the same are provided. The lighting device includes a lighting unit with lighting modules, a light sensor, and a control circuit. According to a first illumination requirement and a light sensing value of the light sensor, the control circuit controls the lighting unit to output a first illumination light source that meets a first predetermined illuminance in a first time slot. According to a second illumination requirement and the light sensing value, the control circuit controls the lighting unit to output a second illumination light source that meets a second predetermined illuminance in a second time slot. According to the first and the second illumination requirements, the control circuit dynamically controls lighting from any one or a combination of the lighting modules, such that the lighting unit generates correspondingly the first and the second illumination light sources.
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公开(公告)号:US20200057339A1
公开(公告)日:2020-02-20
申请号:US16600584
申请日:2019-10-14
Inventor: Tzung-Te Chen , Chia-Fen Hsieh , Tung-Yun Liu , Shih-Yi Wen , Chien-Chun Lu , Hsin-Yun Tsai
IPC: G02F1/1335 , H05B33/08
Abstract: A light source apparatus including a light-emitting module and a control unit is provided. The light-emitting module is configured to provide a light. The control unit is configured to make the light switched between a first light and a second light so that at least one of a blue-light hazard and a circadian stimulus value of the light is changed. A wavelength of a blue light main peak in a spectrum of the first light is different from a wavelength of a blue light main peak in a spectrum of the second light.
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