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01.10.18: Quality assessment of display systems: display metrology, do we need it?

Today, displays are taken for granted our everyday lives – unless they fail to function correctly or were falsely specified for an application. How can the quality of a display be objectively assessed, and by which methods and technology can it be analyzed and improved?

 

It is usually intuitively clear to a user whether a TV picture is satisfactory, a watch is easy to read in sunlight, or a motor vehicle instrument panel still switches quickly enough in winter. In this context our individual judgement also depends on external circumstances such as ambient light or temperature. The fundamental question for metrological determination is thus: How can personal visual sensory input that is not initially measurable be correlated with objective measurements...?

Article by Dr. Michael E. Becker

Published in Elektronik 17/18