History of laptops - Wikipedia
网页Although portable computers with clamshell LCD screens already existed at the time of its release, the Ultralite was the first computer in a notebook form-factor. It was significantly smaller than all earlier portable computers and could be carried like a notebook and its clamshell LCD folded over the body like a book cover.
Liquid-crystal display - Wikipedia
网页A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome. [2]
History of display technology - Wikipedia
网页The first commercial colour CRT was produced in 1954. CRTs were the single most popular display technology used in television sets and computer monitors for over half a century; it was not until the 2000s that LCDs began to gradually replace them.
Laptop computer | Definition, History, & Facts | Britannica
网页2024年9月25日 · In 1983 Radio Shack brought the Japanese TRS-80 Model 100 to the United States; it was one of the first computers with a liquid crystal display (LCD). Commodore followed in 1984 with its 9.1-kilogram (20-pound) Commodore SX-64, the first portable computer to offer colour.
A Brief History of Computer Displays - PCWorld
网页2010年11月2日 · That changed around 1997, when a number of vendors such as ViewSonic (left), IBM (center), and Apple (right) introduced color LCD monitors with qualities that could finally begin to compete with...
How LCDs Work - HowStuffWorks
网页Color LCD An LCD that can show colors must have three subpixels with red, green and blue color filters to create each color pixel. Through the careful control and variation of the voltage applied, the intensity of each subpixel can range over 256 shades .
Laptop Computer History
网页2023年7月13日 · Commodore released the Commodore SX-64 in 1984, the first portable computer to feature a full-color display screen. It weighed about 20-pounds and sold for $995. 1986. IBM released its first laptop, the PC Convertible, in 1986. It weighed 12-pounds, making it the first laptop under 15-pounds. 1987
Who Invented the Laptop? A Brief History of Its Origins
网页2024年1月6日 · The first laptop is typically credited to William Moggridge, an industrial designer from the United Kingdom. In 1981, Moggridge designed the GRiD Compass, which is considered to be the first clamshell-style …
The 60th Anniversary of TFTs and the Evolution of High‐Resolution ...
网页2022年3月23日 · In May 1983, Shinji Morozumi of Seiko-Epson announced a transmissive, full-color TFT-LCD at the Society for Information Display conference. The display measured 2.13 inches square and had 57,600 pixels. It was …
The History of LCD Technology - ThoughtCo
网页2019年3月2日 · A look at the invention of liquid crystal display (LCD) technology, developed by George Heilmeier and patented by James Fergason in the early 70s.