Abstract: A display apparatus including a display and a waveguide plate is provided. The display panel includes multiple rows of display units and multiple rows of solar cell units. The display units and the solar cell units are substantially parallel to a first direction and alternately arranged along a second direction perpendicular to the first direction. The waveguide plate is disposed at one side of the display panel. A first side of the waveguide plate adjacent to the display panel includes multiple microstructures. First and second structure surfaces of each microstructure respectively correspond to one row of the display units and one row of the solar cell units. When the display apparatus is disposed such that the second direction is perpendicular to a ground surface, an inclination of the first structure surface makes a thickness of the waveguide plate gradually decrease along an upward direction from the ground surface.

Abstract: A touch stereoscopic display device includes a display panel, a touch panel, and a parallax barrier. The display panel has a display surface. The touch panel is disposed on a side of the display surface. The touch panel includes a cover lens and a touch sensing unit. The cover lens has a touch side and a non-touch side opposite to the touch side. The non-touch side faces the display panel. The touch sensing unit is disposed on the non-touch side of the cover lens. The parallax barrier is disposed in the touch panel, and the parallax barrier is used to generate a barrier stereoscopic display effect. The parallax barrier is disposed on the non-touch side of the cover lens.