Screens for use as displays of small-sized display devices with touch panel functions, and small-sized display devices with touch panel functions comprising said screens

摘要

[Problem to be Solved] The present invention provides a screen used as the display of a small-sized display device with a touch panel function that is capable of reducing double images, and the small-sized display device with a touch panel function. [Solution] According to an embodiment of the present invention, a screen (1) for use as the display of a small-sized display device with a touch panel function comprises: a Fresnel lens sheet (2) including a Fresnel lens portion (22) and configured to convert image light projected from an image light source into light substantially parallel to the substantial normal direction of a screen surface (1a) and emit the converted light; and a light control sheet (4) located on the image light exiting side of the Fresnel lens sheet (2). In this screen, the light control sheet (4) comprises: unit light transmissive portions constituting part of the image light exiting surface of the light control sheet (4), the unit light transmissive portions extending in the transverse direction of the screen (1); and unit light absorbing portions constituting part of the image light exiting surface of the light control sheet (4), the unit light absorbing portions extending in the transverse direction of the screen (1), the unit light transmissive portions and the unit light absorbing portions being alternately arranged.