Jun 1, 2022 · Hello Forum, I write you with the challenge of calculation the heat dissipation of a LED. The LED in question is...

May 19, 2010 · How many LED's are in a typical LED monitor? For example, how many in a 20in vs. in a 24in, etc? Thanks

Dec 4, 2021 · Hi! I am doing some simple observations of different light sources with a simple DIY spectroscope. When I look at a computer screen I see what I believe to be an emission spectrum …

Jul 7, 2022 · Video: I recently happened upon this holographic display design where a number of blades with led strips affixed rotate like a fan. It quite puzzles me how this such a design achieves the …

Jul 9, 2004 · Place your hand against the television screen, with the television off but the lights in the room on. Close your eyes and cover them with your free hand so that you will have good night vision …

Nov 7, 2018 · An item I want to buy comes backlit blue and I need it to be GREEN. I contacted the seller and asked if I could change the bulb color with a green bulb...

Mar 30, 2013 · Screens struggle to remain visible in daylight due to their reliance on backlighting, which is insufficient against direct sunlight. Unlike natural objects that reflect sunlight, traditional screens …

Oct 16, 2024 · Additionally, there is a mention of using LED technology in screens to generate colors and the complexities of color vision. Overall, the discussion highlights the nuances of color …

Apr 11, 2023 · Hello. I have a quick question in regards to EMF radiation. In particular, I would like to know what quantity of microteslas a smart TV would emit. In particular, would it be unusual for a …

In this experiment, you will use light emitting diodes (LED’s) to measure Planck's constant. You should be familiar with semiconductors and diodes from Modern Physics. To review: LED’s are …