The company was initially founded as Keypoint Technology Corporation in 1987 by James Chu. In 1990 it launched the ViewSonic line of color computer monitors, and shortly afterwards the company renamed itself after its brand. The ViewSonic logo features Gouldian finches, colorful birds native to Australia.
There are three main technologies used for projection – DLP, LCD and LED. DLP (Digital Light Processing) uses a chip made of tiny microscopic mirrors and a spinning colour wheel to create an image. ... The LEDs in LED projectors have a lifespan of over 20,000 hours
This list discusses the most popular brands of projectors, including: Dell, IBM, Sony, Motorola, Xerox, Hewlett-Packard, Samsung, Canon, Toshiba, Casio, Epson, Yamaha, 3M, Philips, Kodak, Sanyo, Panasonic and Acer.
The Viewsonic PJD7835 is a relatively small, crossover portable business and education projector that doubles as a great “bright room” projector for the home. It has particularly good color in its “best” modes, 1080p resolution, and 3500 white lumens.