When will Texas Instruments patent on DLP technology (Digital Light
Processing) expire?

MO --

As you might expect with a technology as seminal as TI's DLP product,
there is more than one patent. This article, from March 2004,
indicates that TI has more than 500 patents:
http://www.dlp.com/about_dlp/about_dlp_article_detail.asp?article_id=185

Most of the early design work was done in the early 1990s and TI first
described the technology at the 1993 Society for Information Display
symposium:
http://www.dlp.com/dlp_technology/images/dynamic/white_papers/102_Overview_DMD_Based_Projection_Display_Systems.pdf

Utility or plant patents in force on June 8, 1995 are subject to
either 17-year term from grant or the 20-year term from earliest
filing date in the U.S., whichever is longer. Design patent term are
14 years from patent grant.

Best regards,

Omnivorous-GA

As omnivorous wrote, Texas Instruments holds more than 500 patents
related to DLP. As far as patents on the technology itself, rather
than the use of the technology, a search of the U.S. patent database
revealed several. Given the number of patents related to DLP, your
question becomes very complex.

When the patent expires depends entirely on which aspect of the
technology competitors wish to reproduce. Since only you know what
technology in specific interests you, I recommend you visit the patent
database at: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2Fsearch-bool.html&r=0&f=S&l=50&TERM1=texas+instruments&FIELD1=&co1=AND&TERM2=digital+light+processing&FIELD2=&d=ptxt

At this site, you can browse patents individually and see when they were issued.

V