Abstract: Disclosed herein is a liquid crystal display device including, a liquid crystal layer, a first substrate and a second substrate which face each other through the liquid crystal layer therebetween, and a plurality of columnar spacers holding a gap between the first substrate and the second substrate, wherein the plurality of columnar spacers include a first columnar spacer and a second columnar spacer which are formed to be substantially equal in height, and a substrate surface of one of the first substrate and the second substrate is provided with a recess in at least one of a part where to dispose the first columnar spacer and a part where to dispose the second columnar spacer.

Abstract: Disclosed herein is a display device including a first light sensor unit configured to include a light-receiving element and detect intensity of ambient light to a display area; a second light sensor unit configured to include a light-receiving element and be provided with an infrared filter disposed on an optical path to the light-receiving element; and a signal processor configured to execute difference processing for a detection signal of the first light sensor unit and a detection signal of the second light sensor unit, wherein the infrared filter is formed by stacking at least two kinds of color filters.