Noun

1. luminance non-uniformity of a display device.

   US Patent 5,917,935, Mura detection apparatus and method, 1996 http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=5917935.PN.&OS=PN/5917935&RS=PN/5917935:

   Major classes of LCFPD defects encountered at the final inspection are often pixel defects or wide-area pixel defects (also known as Mura defects).

   NASA Scientific and Technical Information, 2008 http://www.sti.nasa.gov/tto/Spinoff2008/ct_7.html:

   Software Simulates Sight: Flat Panel Mura Detection

Verb