Abstract: An electronic device includes a housing, a heat conductive portion, a circuit board, a fin set, and a fan. The housing has an accommodating space. The heat conductive portion is disposed in the accommodating space, and divides the accommodating space into a first space and a second space. The circuit board is disposed in the first space and includes a heat source. The heat source generates heat and is thermally coupled to the heat conductive portion. The fin set is disposed in the second space and thermally coupled to the heat conductive portion. The fan is disposed in the second space and located on one side of the fin set. The fan is adapted to guide an airflow through the fin set to discharge the heat generated by the heat source from the housing.

Abstract: An installing bracket is configured to be assembled to head support rods of a vehicle seat for installing an electronic device. The installing bracket includes a first locking plate and a second locking plate. The first locking plate includes a first locking portion and a first joint portion having first concaves disposed on a first side of the first joint portion. The second locking plate includes a second locking portion and a second joint portion having second concaves disposed on a second side of the second joint portion. The first locking portion is stacked on the second locking portion and locked to each other. The electronic device is locked to the first locking portion and the second locking portion. The first concaves joint with the respective second concaves to define a plurality of assembly holes for the head support rods to penetrate through.

Abstract: An installing bracket is configured to be assembled to head support rods of a vehicle seat for installing an electronic device. The installing bracket includes a first locking plate and a second locking plate. The first locking plate includes a first locking portion and a first joint portion having first concaves disposed on a first side of the first joint portion. The second locking plate includes a second locking portion and a second joint portion having second concaves disposed on a second side of the second joint portion. The first locking portion is stacked on the second locking portion and locked to each other. The electronic device is locked to the first locking portion and the second locking portion. The first concaves joint with the respective second concaves to define a plurality of assembly holes for the head support rods to penetrate through.

Abstract: An electronic device is provided. The electronic device includes a substrate, a first refractive layer, a second refractive layer and an electronic component. The first and the second refractive layers are stacked on the substrate, wherein the first refractive layer is disposed on the second refractive layer. The first refractive layer has a refractive index n11 at a wavelength of visible light and a refractive index n12 at a wavelength of UV light, and the second refractive layer has a refractive index n21 at the wavelength of visible light and a refractive index n22 at the wavelength of UV light. The electronic component includes a semiconductor layer disposed on the first refractive layer. The refractive indexes n11, n12, n21, and n22 satisfy the following equation: |n22?n21|>|n12?n11|.