A vehicle courtesy signaling device for communicating a wave to a proximate person at night includes a housing, which has a first face that is substantially transparent. A fastener engaged to the housing can selectively engage a rearview mirror or window of a vehicle so that the housing is removably engaged to the rearview mirror or the window, with the first face of the housing being visible through the window. A plurality of light emitting diodes is engaged to the housing and is positioned in an interior space defined thereby. The light emitting diodes selectively emulate a waving hand.

A vehicle badge is provided herein. The badge includes one or more light sources configured to illuminate in a pseudorandom sequence. Each respective light source illuminates in a first illumination sequence defined by a first set of parameters and a subsequent second illumination sequence defined by a second set of parameters. A controller is operably coupled with the light sources and has a counter therein. The counter determines the subsequent illumination sequence while the first illumination sequence occurs.

A utility vehicle includes a headlamp including a first connector, a headlamp housing accommodating the headlamp, and a harness including a second connector configured to be connected with the first connector, in which the headlamp housing includes a connector holding portion holding the first and second connectors connected with each other.

A utility vehicle includes a main frame, a front grille, and right and left headlight assemblies each provided between the front grille and a portion of the main frame facing the front grille in an anteroposterior direction of the utility vehicle, and including a front end attached to a rear side of the front grille and a rear end attached to the portion of the main frame.

A vehicular, adaptive brake light to custom light sequencing system generally includes an OEM vehicular brake light circuit electrically connected to OEM brake lights of a vehicle, and an aftermarket flashing circuit electrically connected within or to the OEM vehicular brake light circuit to cause the OEM brake lights to flash. They system further includes an aftermarket directional indicator circuit electrically connected within or to the OEM vehicular brake light circuit and electrically connected to the aftermarket flashing circuit to effectuate a flashing of at least one of an OEM left brake light and an OEM right brake light. The system also includes an aftermarket hazard light circuit that is electrically connected within or to the OEM brake light circuit and to the aftermarket flashing circuit to effectuate a flashing hazard by the OEM brake lights.

A light-emitting element driving semiconductor integrated circuit constitutes at least part of a light-emitting element driving device that is configured to drive a first and a second light source when the first light source is not short-circuited and drive the second light source when the first light source is short-circuited and that includes an output capacitor. The light-emitting element driving semiconductor integrated circuit has a controller configured to control the resistance value of a variable resistor connected in series with the first and second light sources according to the voltage across a resistor connected in series with the first and second light sources.

A module comprising an electronic component and an electrical connector that are interconnected by a printed circuit board that is fastened to a heat sink, the connector includes a housing, connection contacts and a bundle of wires, which are secured to the housing and respectively interconnected electrically. The housing is arranged on one side of the board such that the contacts pass through the board so as to emerge onto the other side and to be connected electrically there. The board is fastened to the heat sink by the side thereof bearing the contacts. The surface of the heat sink receives the board having a boss at least level with the contacts, so as to avoid electrical contact between the contacts and the heat sink.

A lighting device is provided for controlling the photometric distribution of light emitted by two or more LEDs. The lighting device may be integrated with a control system of the vehicle and may be controlled by a remote controller. The lighting device may be capable of being operated in one or more modes of operation based on operating conditions, user input, or both. Operating conditions may include vehicle conditions, environmental conditions, and user conditions. The controller may operate a software application to enable the user to modify, control, or otherwise regulate any mode of operation or other feature of the lighting system.

A semiconductor light-emitting device can include a wavelength converting layer including a surrounding portion, which covers at least one semiconductor light-emitting chip in order to emit various colored lights including white light. The semiconductor light-emitting device can include a substrate, a frame located on the substrate, the chip mounted on the substrate, a transparent material layer located on the wavelength converting layer so as to reduce from the wavelength converting layer toward a light-emitting surface thereof, and a reflective material layer disposed at least between the frame and both side surfaces of the wavelength converting layer and the transparent material layer. The semiconductor light-emitting device can be configured to improve light-emitting efficiency and a color variation by using the surrounding portion and an inclined side surface of transparent material layer, and therefore can emit various colored lights including white light having a high light-emitting efficiency from a small light-emitting surface.

The present disclosure provides an OLED light source drive control circuit and an OLED lamp. The drive control circuit includes a DC/DC constant voltage module, an external transceiver, a first internal transceiver, a microcontroller unit, a linear constant current module, and an OLED panel and a light source. The microcontroller unit communicates with the first internal transceiver, feeds back the detected output voltage to the DC/DC constant voltage module, and controls the DC/DC constant voltage module to operate. The first internal transceiver is connected with the linear constant current module through a differential bus. The linear constant current module includes a plurality of linear constant current driver ICs, each contains a second internal transceiver, and a differential bus interface of the second internal transceiver is respectively connected with a differential bus communication line connecting with a differential bus interface of the first internal transceiver. The present disclosure has a stronger anti-interference ability and effectively improves the circuit conversion efficiency of the entire drive system.