whilst LG and others do not provide Quality/acceptance criteria, that works in the favour of the (industrious) consumer, you can just use the test methodology from rtings say, (dirty screen / banding / backlight bleed) and with a reasonable camera provide evidence of non-conformance, to justify a return.
[had previously explored using dslrs's to use as a colour sensor to help in monitor calibration with a bit oif matlab/octave]
Woppy101, whats you view on the pixel flashing and low bandwidth visible macro-blocking ?
[had previously explored using dslrs's to use as a colour sensor to help in monitor calibration with a bit oif matlab/octave]
Woppy101, whats you view on the pixel flashing and low bandwidth visible macro-blocking ?