An LED tube lamp includes a tube having two ends, two end caps respectively at the two ends of the tube, a power supply module in one or both of the end caps, an LED light strip in the tube; and LED light sources on the LED light strip. Each of the end caps includes a lateral wall substantially coaxial with the tube and an end wall substantially perpendicular to an axial direction of the lateral wall. An axial direction of one or more openings of each of the end caps is substantially parallel with the axial direction of the lateral wall. The LED light sources are electrically connected to the power supply module via the LED light strip. The power supply module includes a fuse, and the fuse is positioned close to the end wall of the first end cap.

A signage system (10) including one or more visual display devices (11), each mounted for display behind the windshield (15) of one or more parked and ignition-off vehicles (16). Each sign (11) has a visual display surface (12) that is capable of forming an illuminated graphic display (13) on the visual display surface (12). The visual display surface (12) would be visible to observers in front of the vehicle (16). The system (10) includes wireless communication hardware (60) that allows the visual display (11) to be programmed by a remote programming device (41). Each of the display devices (11) can be programmed to have a separate message and each message would scroll from left to right across the display surface (12) in a time coordinated manner so that the message appears to scroll consistently from left to right across the visual field of the plurality of display surfaces (12).

An LED light bulb comprising a lamp housing, a bulb base, connected to the lamp housing, a stem connected to the bulb base and located in the lamp housing; an LED filament, disposed in the lamp housing, where points of the LED filament in an xyz coordinates are defined as x, y, and z, an x-y plane of the xyz coordinates is perpendicular to the height direction of the LED light bulb, an z-axis of xyz coordinates is parallel with the stem, and the projection of the LED filament on the x-y plane, y-z plane and x-z plane respectively has a length L1, L2 and L3, and the length L1, the length L2, and the length L3 are substantially in a ratio of 1:(0.5 to 1):(0.6 to 0.9).

An LED light bulb comprising a lamp housing, a bulb base, connected to the lamp housing, a stem connected to the bulb base and located in the lamp housing; an LED filament, disposed in the lamp housing, where points of the LED filament in an xyz coordinates are defined as x, y, and z, an x-y plane of the xyz coordinates is perpendicular to the height direction of the LED light bulb, an z-axis of xyz coordinates is parallel with the stem, and the projection of the LED filament on the x-y plane, y-z plane and x-z plane respectively has a length L1, L2 and L3, and the length L1, the length L2, and the length L3 are substantially in a ratio of 1:(0.5 to 1):(0.6 to 0.9).

Solar-powered lighting devices are described, the solar-powered lighting devices including a housing and an electronic cord coupled to the housing. The housing may include a first section coupled to a second section the first section including a solar panel coupled to an outer surface. The lighting devices may also include a rechargeable battery, a microprocessor, and a user interface to receive user input and transmit the user input to the microprocessor. The electronic cord may be flexible and includes at least one light-emitting diode, wherein the microprocessor is configured to control at least one operating mode of the LED of the electronic cord based on the user input.

Solar-powered lighting devices are described, the solar-powered lighting devices including a housing and an electronic cord coupled to the housing. The housing may include a first section coupled to a second section the first section including a solar panel coupled to an outer surface. The lighting devices may also include a rechargeable battery, a microprocessor, and a user interface to receive user input and transmit the user input to the microprocessor. The electronic cord may be flexible and includes at least one light-emitting diode, wherein the microprocessor is configured to control at least one operating mode of the LED of the electronic cord based on the user input.

Systems and methods for an interactive modular lighting system are described. The lighting systems enable users to dynamically build a luminaire through a modular joining of individual light-emitting units, however such that risk of electrical failure is automatically prevented through a dynamic computation of electrical circuit properties and dynamic configuration of components. Additionally, lighting systems with granular and configurable touch sensing are described, wherein a user's interaction with the lighting system can be coupled to actuation of properties of the lighting system or of properties of other devices in communication with the lighting system. Illustrative embodiments of applications of said lighting systems in smart home and gaming are provided.

There is provided a lens for a light emitter which includes: a bottom surface; an incident surface connected to the bottom surface at a central region of the bottom surface and disposed on or above a light source to allow light emitted from the light source to be made incident thereto and travel in an interior of the lens; and an output surface connected to the bottom surface at an edge of the bottom surface and configured to allow the light which has traveled in the interior of the lens to be emitted outwardly therefrom, wherein the central region of the bottom surface protrudes with respect to the other region of the bottom surface.

A light source module according to an embodiment includes a substrate, a plurality of light emitting device packages disposed on the substrate, a plurality of driving devices disposed on the substrate, and a connection terminal part disposed on the substrate, wherein an interval between both ends of the substrate and the connection terminal part is equal to or greater than an interval between the light emitting device package adjacent to the both ends of the substrate and the both ends of the substrate. The light source module is advantageous to slimming and thinning and has an advantage where a design of arrangement of a light emitting device package is free.

An apparatus, system, and method of remotely monitoring receives, from an operation terminal, identification information and location information of a location of one or more lamps, stores, in a memory, the received identification information and the received location information in association with each other for the one or more lamps, updates log information regarding a log of a lighting condition of the one or more lamps, in response to an indication that an electric circuit of the one or more lamps is energized for the one or more lamps, and sends monitoring information corresponding to the log information of the electric circuit of the one or more lamps for display.