Abstract

A horticulture grow light includes: an emitter array; a heatsink on one side of the emitter array; a driver electrically connected to the emitter array; and an electrically isolating baffle connected to the heatsink. The baffle includes: an air funnel; a plurality of driver panels respectively connected at opposite sides of the air funnel and extending toward the heatsink; and a plurality of support panels respectively connected to the driver panels and extending toward the heatsink. A first active airflow section is formed between inner surfaces of the driver panels and inner surfaces of the support panels, and second active airflow sections are respectively formed on either side of the first active airflow section and between the inner surfaces of the driver panels and outer surfaces of the support panels.

IPC Classes  ?

• F21V 29/60 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
• A01G 7/04 - Electric or magnetic treatment of plants for promoting growth
• A01G 9/26 - Electric devices
• F21L 2/00 - Systems of electric lighting devices
• F21L 4/02 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of two or more light sources
• F21S 8/00 - Lighting devices intended for fixed installation
• F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure

Abstract

A grow light includes a plurality of cool white LEDs, a plurality of warm white LEDs, and a driver electrically coupled to the cool white LEDs and the warm white LEDs. An intensity level and spectral composition of the radiant energy emitted by the grow light may be tuned or configured by varying a ratio of the quantity of cool white LEDs to the quantity of warm white LEDs, by varying a spatial arrangement among the cool white LEDs and the warm white LEDs, or by varying a level of current provided to some or all of the cool white LEDs and the warm white LEDs.

IPC Classes  ?

• F21K 9/60 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
• F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
• F21K 9/65 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
• H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes