A manufacturing method for a shallow trench isolation region with high aspect ratio. The joint portion is configured to be connected to a vehicle-body frame. The processing circuits are configured to dynamically determine that the control portion has insufficient resources for transmitting control information to one or more of the mobile terminals, and, in response, at least temporarily transmit control information in the data portion, rather than in the control portion, for a selected one or more of the mobile terminals. The device further includes a bonding layer between the reflective ohmic-contact metal layer and the conductive substrate, a first electrode coupled to the conductive substrate, and a second electrode coupled to the second doped semiconductor layer.