Abstract: A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.

Abstract: A light-emitting device including a substrate, plural light-emitting units, and a sealing member is disclosed. The substrate includes plural electrode pads. The light-emitting units are disposed on the substrate and each include an LED chip. The LED chips are electrically connected with the electrode pads. The sealing member is disposed on the substrate, covers a side surface of each of the light-emitting units, and includes a surrounding portion surrounding the light-emitting units and a separating portion disposed between the light-emitting units. An LED package structure including the aforementioned substrate, light-emitting units, and sealing member is also disclosed. The light-emitting units can generate light of different colors or color temperatures and allow adjustment of the colors or color temperatures.

Abstract: A light-emitting device including a substrate, plural light-emitting units, and a sealing member is disclosed. The substrate includes plural electrode pads. The light-emitting units are disposed on the substrate and each include an LED chip. The LED chips are electrically connected with the electrode pads. The sealing member is disposed on the substrate, covers a side surface of each of the light-emitting units, and includes a surrounding portion surrounding the light-emitting units and a separating portion disposed between the light-emitting units. An LED package structure including the aforementioned substrate, light-emitting units, and sealing member is also disclosed. The light-emitting units can generate light of different colors or color temperatures and allow adjustment of the colors or color temperatures.