Calculating of the heat dissipation of a LED - Physics Forums
Jun 1, 2022 · The discussion focuses on calculating the heat dissipation of a Seoul Semiconductor LED (model SZ5-M3-W0-00) with a luminous efficacy of 157 lm/W at 700 mA. …
Observing Emission Spectra from Computer Screens - Physics …
Dec 4, 2021 · This discussion focuses on the observation of emission spectra from computer screens using a DIY spectroscope. It confirms that LED screens emit light through narrow …
How many LED's are in a typical LED monitor? - Physics Forums
May 19, 2010 · A typical LED monitor utilizes LEDs primarily as a backlight rather than as individual pixels. In a 20-inch or 24-inch LED monitor, the backlight configuration can consist …
How to change the color of an LED? - Physics Forums
Nov 7, 2018 · The forum discussion centers on modifying an LED backlight from blue to green for a digital thermometer used in a vehicle. The user initially inquired about using a yellow bulb …
How Do Optical Mice Detect Movement? - Physics Forums
Jan 18, 2006 · Laser-based optical mice offer enhanced surface detail detection compared to traditional LED mice, allowing for broader usability across various surfaces. This process …
Strange glow from TV that is off. - Physics Forums
Jul 9, 2004 · The discussion centers on a phenomenon where a turned-off TV and nearby incandescent light bulbs exhibit a bluish glow. This glow is attributed to phosphorescence, …
Procedure to express radiation intensity of an LED in watts/cm^2
May 29, 2022 · TL;DR Procedure to calculate radiant intensity of a LED in watts/cm^2 given total radiant power of the LED or luminous intensity of the LED. Note that the target (on which …
What are the Metal Fin-Like Structures on LED Bulbs?
Jul 21, 2014 · The metal fin-like structures on LED bulbs serve as cooling fins essential for maintaining optimal performance and longevity. Unlike incandescent bulbs, which operate …
My TV Cracks: Is It Heat or Discharge? - Physics Forums
Mar 11, 2016 · When you say flat screen, it doesn't mean much. Do you mean LCD, or Plasma, or flat face CRT. If it is LCD, is it LED backlight, or CCFL. (CCFL is high voltage) CRT based …
Is This....Right? Splitting LED colors is not working for me
Apr 2, 2025 · Google suggests why your prism might not be working and what you can do: 1. Light Source: Bright Sunlight: Prisms work by splitting white light into its component colors (the …