This marks the first time UL Solutions has issued a marketing claim verification for a technology that leverages perceptual contrast length (PCL) calculations.
Samsung’s True Bright is a distinction the company gives to displays that provide greater perceived brightness when compared to LCDs of the same PCL score.
To achieve UL Solutions’ Marketing Claim Verification, Samsung’s True Bright was evaluated for PCL to quantify the brightness of the black of a display. PCL, which has been adopted as an industry standard by SEMI, refers to the brightness of a display specifically as perceived by the human eye. This metric acknowledges that perceived brightness is influenced not only by the physical light emitted by the panel but also by its contrast ratio. OLED displays typically have a contrast ratio of 1,000,000:1 — over a thousand times that of standard LCDs. The enhanced contrast of OLEDs ensures that the same image is perceived as brighter when compared to LCD displays.
UL Solutions evaluated 15 of Samsung Display’s OLEDs for laptops, tablets, and automobiles, and seven of its QD-OLEDs for monitors and TVs. The company verified Samsung Display’s claim that its OLEDs and QD-OLEDs provide an average 1.5 times greater perceived brightness than LCDs of the same PCL score. According to assessments by UL Solutions, Samsung Display’s 300-nit OLEDs have the same perceived brightness (279.37) as 510-nit LCDs, and its 500-nit QD-OLEDs have the same perceived brightness (310.9) as 767-nit LCDs.