Properties of displays in which improvements are needed include: greater consistency between pictures displayed from the same signals on different devices; greater colour gamut; less impairment by ambient illumination; and better resolution. Some of the ways in which these needs may be met are reviewed.
Robert W.G.Hunt, "Desirable Improvements in Displays" in Proc. IS&T CGIV 2006 3rd European Conf. on Colour in Graphics, Imaging, and Vision, 2006, pp 410 - 413, https://doi.org/10.2352/CGIV.2006.3.1.art00084