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Chart showing a conventional SDR gamma curve and the hybrid log–gamma curve. HLG uses a logarithmic curve for the upper half of the signal values, which allows for a larger dynamic range. HLG is an HDR format that uses the HLG transfer function, BT.2020 color primaries and a bitdepth of 10-bit. [8] HLG was designed to be backward compatible ...
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Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).
Check out more gardening recommendations: 21 Best Gardening Tools to Tend Your Plants Like a Pro. 10 Self-Watering Planters to Make Gardening Much Easier
HLG is a transfer function developed by the NHK and BBC. [82] It is backward compatible with SDR's gamma curve, and is the basis of an HDR format known as HLG. [28] The HLG transfer function is also used by other video formats such Dolby Vision profile 8.4 and for HDR still picture formats. [45] [83] [84] HLG is royalty-free. [85]
"However, 3 watt and even 5 watt LEDs are now commonly used in LED grow lights. LED grow lights are now being produced which exceed 1200 watts." In talking about 1, 3 or 5 watt LED grow lights, you mean individual LEDs. In talking about 1200 watt LED grow lights, you mean arrays of many LEDs. Is this what is meant?