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We present a semi‐empirical technique for computation of glass density based on the enthalpy landscape approach. The technique incorporates thermal history and entropy effects into a scaling factor, which is determined using a computed enthalpy versus volume curve and a single experimental density value. We demonstrate the technique on a series of calcium aluminosilicate glasses.

A novel design and application technique for light extraction in OLED displays are described, using micro-optic patterns formed on the underside of an encapsulation glass. The design produces negligible haze and is fully compatible with the use of circular polarizers. A relative increase in brightness of 56% is demonstrated for a mobile phone display.