Abstract: Disclosed in the present disclosure is an active electronic shelf label, including: a shelf label body, a guide rail, a guide rail positive power supply line, a guide rail negative power supply line, a shelf label positive elastic sheet, and a shelf label negative elastic sheet. The shelf label body is connected to the guide rail and movable along the guide rail. The guide rail positive power supply line and the guide rail negative power supply line are respectively provided along the guide rail. A first contact point of the shelf label positive elastic sheet is electrically coupled to a power input terminal of the shelf label body. A first contact point of the shelf label negative elastic sheet is electrically coupled to a power output terminal of the shelf label body.

Abstract: An optical film includes a substrate, an anti-glare layer, a first anti-reflective layer and a second anti-reflective layer. The anti-glare layer is disposed on the substrate and has a microstructure disposed on a side of the anti-glare layer away from the substrate. The first anti-reflective layer is disposed on the microstructures of the anti-glare layer, and the anti-glare layer is located between the substrate and the first anti-reflective layer. The second anti-reflective layer is disposed on the first anti-reflective layer, and the first anti-reflective layer is located between the anti-glare layer and the second anti-reflective layer. A refractive index of the first anti-reflective layer is different from a refractive index of the anti-glare layer.

Abstract: An optical film includes a substrate, an anti-glare layer, a first anti-reflective layer and a second anti-reflective layer. The anti-glare layer is disposed on the substrate and has a microstructure disposed on a side of the anti-glare layer away from the substrate. The first anti-reflective layer is disposed on the microstructures of the anti-glare layer, and the anti-glare layer is located between the substrate and the first anti-reflective layer. The second anti-reflective layer is disposed on the first anti-reflective layer, and the first anti-reflective layer is located between the anti-glare layer and the second anti-reflective layer. A refractive index of the first anti-reflective layer is different from a refractive index of the anti-glare layer.