Abstract: The present invention relates to an indoor parking lot, comprising: a hollow frame portion, which is installed in the lengthwise direction on the ceiling along a driving path; and a lighting portion, which is fixedly installed on a side surface of the frame portion, for lighting the driving path and parking space around the driving path, wherein the lighting portion provides light distribution which is perpendicular to a driving direction of the driving path. The present invention is installed along the driving path of a vehicle which is between the parking spaces, so as to limit light distribution to directions on both sides of the direction of installation, thereby reducing the number of lighting portions while providing light having ample brightness to the parking spaces and a lighting space and thus effectively minimizing power consumption despite constant lighting.

Abstract: The present invention relates to an indirect lighting apparatus using an LED, comprising: a case unit provided along the perimeter of the upper part of a wall surface, and having a light emitting opening on a side opposite to the wall surface; a substrate mounted with an LED and provided at the innermost side of the inner bottom surface of the case unit; a light distributing unit for distributing light to the ceiling through the light emitting opening by reflecting the light emitted from the LED; and a cover unit for covering the light emitting opening of the case unit. The present invention uses a simple structure so that the apparatus is fixedly provided on the wall surface, and can be used as main lighting or mood lighting by providing the distributed light capable of selectively illuminating the entire ceiling.

Abstract: A LED streetlamp is provided. The LED streetlamp includes an integral housing having a light-emitting opening that emits light from a bottom surface and an accommodation space; a power supply unit coupled to the accommodation space through the light-emitting opening of the housing; a reflecting part coupled to the accommodation space through the light-emitting opening of the housing to separate power supply unit from the accommodation space of the lower part and reflecting light from a bottom surface thereof; a substrate for supplying power to multiple LEDs coupled to an inner side surface of the housing of a lower side of the reflecting part; and a cover part. A case with a single structure is provided and includes the power supply unit, the substrate having the LEDs and the reflecting plate to be assembled in the case through the light emitting opening to reduce a manufacturing cost.

Abstract: A street light management method includes: receiving from a server at predetermined intervals and updating at least one of information about a node that is at least one street light, information about a gateway that communicates with the node and the server, and information about a communication channel between the node and the gateway; displaying the node in a corresponding position on a digital map displayed on a screen using position information included in the information about the node and displaying the gateway in a corresponding position on the digital map using position information included in the information about the gateway; and displaying corresponding information in at least one of information display windows on the screen according to the received information or a user operation.

Abstract: A high power LED lighting device is provided that includes a case, a substrate disposed in the case and including a plurality of LED chips are mounted thereon, and a reflection module connected to the substrate and including a plurality of light reflection semi-spheres protruding from a plate body. The device provides improved heat discharging properties, among others.

Abstract: An LED illumination device for spotlighting includes: a lower case part having a plurality of planar inner side surfaces so that a light-emitting hole on the bottom surface thereof can be a polygonal shape; an upper case part, positioned above the lower case part, for receiving a power supply unit; substrates which are respectively coupled to the planar inner side surfaces of the lower case part and in which LEDs are mounted such that a light-emitting surface can be directed to the central part of the polygon; and a plurality of heat dissipation fins which are protrudingly positioned along the circumference of the lower case part, wherein the spaces between the heat dissipation fins communicate in the longitudinal direction of the lower case part. A case is manufactured as a single structure and components such as a power supply unit, LED-mounted substrates, reflective plates, etc. can be assembled within the case through the light-emitting hole.

Abstract: The present invention relates to a fluorescent lamp-type LED lighting device including: a case part formed to be elongated in one direction and having an open bottom surface which provides a reflection space on the inner side; a cover part provided on the bottom surface of the case part so that the light which is reflected and diffused in the case part is emitted; and multiple LEDs which emit the light from the cover part and the inner side of the case part such that the light is reflected and diffused on the inner side of the case part. According to the present invention, the LED light is emitted toward an indoor ceiling side, the reflection space is provided so as to reflect and diffuse the emitted LED light, and the light is emitted through a bottom surface part. Accordingly, no additional diffusion plate for surface emission is used and thus optical efficiency can be increased.

Abstract: The present invention relates to a detachable LED lighting device, comprising: a lighting module unit which emits light by receiving a power supply, the lighting module unit comprising a substrate including a plurality of LEDs; a connector unit coupled to the lighting module unit, the connector unit having a hitch protrusion on the upper part and having a lower connector for supplying power to the substrate; and a frame unit provided with a connector and a power connector, the connector fixed by being hitched to the hitch protrusion of the connector unit that is inserted into the bottom surface, and the power connector supplying power from an embedded power supply unit to the lower connector.

Abstract: The present invention relates to a traffic accident occurrence notification system using LED display lamps, comprising: an emergency message generating unit provided in a mobile means so as to generate a wireless signal in an emergency situation; a plurality of LED display lamps provided together with street lamps provided on a road so as to receive the wireless signal from the emergency message generating unit and display a turned-on or flickering state from a position at which the wireless signal is received to a position at which a distance is set at a rear; and a street lamp control server for controlling the street lamps and the LED display lamps and determining the position at which the wireless signal is received so as to transmit information thereof to a rescue server.