LG 55-inch OLED TV showcased in Harrods, now available for pre-order in UK - photo 1LG 55-inch OLED TV showcased in Harrods, now available for pre-order in UK - photo 2LG 55-inch OLED TV showcased in Harrods, now available for pre-order in UK - photo 3LG 55-inch OLED TV showcased in Harrods, now available for pre-order in UK - photo 4