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  2. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    The flat bottom surfaces of the anvil and post embedded inside the epoxy act as anchors, to prevent the conductors from being forcefully pulled out via mechanical strain or vibration. A light-emitting diode ( LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron ...

  3. Brightburn - Wikipedia

    en.wikipedia.org/wiki/Brightburn

    Brightburn is a 2019 American superhero horror film directed by David Yarovesky, written by Brian and Mark Gunn, and produced by James Gunn and Kenneth Huang.Starring Elizabeth Banks, David Denman, Jackson A. Dunn, Matt Jones and Meredith Hagner, the plot follows Brandon Breyer, a young boy of extraterrestrial origin reared on Earth who discovers he has superpowers, using them with dark ...

  4. Chroma key - Wikipedia

    en.wikipedia.org/wiki/Chroma_key

    The practicality of green-screen compositing is demonstrated by actor Iman Crosson in a self-produced video. Top panel: A frame in a full-motion video shot in the actor's living room. Bottom panel: The corresponding frame in the final version in which the actor impersonates Barack Obama "appearing" outside the White House's East Room.

  5. Defective pixel - Wikipedia

    en.wikipedia.org/wiki/Defective_pixel

    A defective pixel is a pixel on a liquid crystal display (LCD) that is not functioning properly. The ISO standard ISO 13406-2 distinguishes between three different types of defective pixels, [1] while hardware companies tend to have further distinguishing types. [2] Similar defects can also occur in charge-coupled device (CCD) and CMOS image ...

  6. We know late-night screens are bad for sleep. How do you stop ...

    www.aol.com/news/know-night-screens-bad-sleep...

    The issue is not just curtailing phone use in bed, but phone use at night. That means redesigning your routine, particularly if you use your phone as a way to decompress. It helps to create ...

  7. IPS panel - Wikipedia

    en.wikipedia.org/wiki/IPS_panel

    IPS panel. IPS ( in-plane switching) is a screen technology for liquid-crystal displays (LCDs). In IPS, a layer of liquid crystals is sandwiched between two glass surfaces. The liquid crystal molecules are aligned parallel to those surfaces in predetermined directions ( in-plane ). The molecules are reoriented by an applied electric field ...

  8. Photosensitive epilepsy - Wikipedia

    en.wikipedia.org/wiki/Photosensitive_epilepsy

    Specialty. Neurology. Frequency. 1 in 4000 [1] Photosensitive epilepsy ( PSE) is a form of epilepsy in which seizures are triggered by visual stimuli that form patterns in time or space, such as flashing lights; bold, regular patterns; or regular moving patterns. PSE affects approximately one in 4,000 people (5% of those with epilepsy).

  9. Contrast ratio - Wikipedia

    en.wikipedia.org/wiki/Contrast_ratio

    Contrast ratio. The contrast ratio ( CR) is a property of a display system, defined as the ratio of the luminance of the brightest shade (white) to that of the darkest shade (black) that the system is capable of producing. A high contrast ratio is a desired aspect of any display. It has similarities with dynamic range .