Search results
Results from the WOW.Com Content Network
The monochromatic light from an electroluminescent source does not work well with color displays, however. An incandescent frontlight was therefore a popular accessory for the Nintendo's Game Boy line up until the first model of the Game Boy Advance ; the Game Boy Advance SP introduced a frontlight, which made external lights redundant.
LED backlighting in color screens comes in two varieties: white LED backlights and RGB LED backlights. [10] White LEDs are used most often in notebook computers and desktop screens, and make up virtually all mobile LCD screens. A white LED is typically a blue LED with broad spectrum yellow phosphor to result in the emission of white light ...
The HP EliteBook series notebooks contain a similar keyboard light called HP Night Light. Unlike the ThinkLight, it is activated by a physical button next to the Night Light, rather than a keyboard shortcut. Third-parties offered external LED-based illumination solutions for the HP 200LX series of DOS palmtop computers in the late 1990s. [4] [5]
To generate white light best suited as an LCD backlight, parts of the light of a blue-emitting LED are transformed by quantum dots into small-bandwidth green and red light such that the combined white light allows a nearly ideal color gamut to be generated by the RGB color filters of the LCD panel. The quantum dots may be in a separate layer as ...
A transflective liquid-crystal display [1] is a liquid-crystal display (LCD) with an optical layer that reflects and transmits light (transflective is a portmanteau of transmissive and reflective). [2] Under bright illumination (e.g. when exposed to daylight) the display acts mainly as a reflective display with the contrast being constant with ...
0.01 ms [10] to less than 1 μs, [11] but limited by phosphor decay time (around 5 ms) [12] 1–8 ms typical (according to manufacturer data), older units could be as slow as 35 ms [13] Typically less than 0.01 ms, as low as 2 μs, [10] [14] but limited by phosphor decay time (around 5 ms) Estimates varying from under 0.01 ms to as low as 1 μs.
Paper-like writing experience. Writing on the ReMarkable tablet feels almost identical to using a pencil on paper, seriously. The slight friction between the stylus and screen creates a natural ...
The first usable LED display was developed by Hewlett-Packard (HP) and introduced in 1968. [22] It was the result of research and development (R&D) on practical LED technology between 1962 and 1968, by a research team under Howard C. Borden, Gerald P. Pighini, and Mohamed M. Atalla, at HP Associates and HP Labs.