Image retention is a defect related with all types of displays, but testing for it has not been redefined since the early years of TV. As the era of HDR approaches, new test procedures for determining the degree of image retention in modern consumer display products needs to be undertaken.

A novel burn-in assessment method is strongly required for modern high dynamic range (HDR) displays. Specifically, one of the necessary requirements for the new method is to stimulate a maximum capability of HDR displays such as a wide color gamut for all colors and a wide range of luminance. In this paper, based on the requirements, a new burn-in assessment method is proposed by employing steepest gradient weighted quantification metric. Experimental results and analysis are conducted for validating the proposed method. Author KeywordsOrganic light emitting device; high dynamic range; burn-in assessment; image sticking. 50-2 / J. S. Park

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