LS 1423_R128 proposal to allow alternative luminance gradient requirement

by GTB Administrator | Dec 18, 2025

LS 1424_RE5 addition of minimum luminance gradient to L1

by GTB Administrator | Dec 18, 2025

LS 1425_IEC GTBWG LS LiaisonReport

by GTB Administrator | Dec 18, 2025

LS 1427_ rev LS 1393_weights of Substitutes

by GTB Administrator | Dec 18, 2025

LS 1428_PROGRESS OF AMENDMENTS_7 November 2018

by GTB Administrator | Dec 18, 2025