LCD is a proper noun. LCD is (1) a digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc..
The following articles provide more information about the proper noun LCD.
While there are several ways to display output from a computer, the most common way is via a color liquid crystal display, or LCD. These displays are also known as flat panel displays or LCD monitors.
Monitors are an integral part of a computer system. They display digitally generated data from a computer onto a CRT (cathode ray tube) or an LCD (liquid crystal display).
Electronic typewriters of today are much different than the manual typewriters of the past. They may include features such as a small LCD screen displaying text, as well as a spelling checker and page numbering.
A video projector uses a video signal to project an image onto a screen. Video projectors use CRT, LCD, or DLP technology. Visit this site to learn more about video projectors.
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The following digital image illustrates the word lcd.