Abstract: A light-emitting module includes a housing, a flexible film, and a protection portion. The housing includes a plurality of light-emitting units arranged in a matrix configuration and at least a switch electrically connected to at least one of the plurality of light-emitting units. The flexible film is detachably coupled to the housing. The protection portion covers the plurality of light-emitting units.

Abstract: A light-emitting device has a stabilizing-current circuit, a current source having a high electron mobility transistor, and a light source electrically connected to the stabilizing-current circuit and the current source.

Abstract: A light-emitting module includes a housing, a flexible film, and a protection portion. The housing includes a plurality of light-emitting units arranged in a matrix configuration and at least a switch electrically connected to at least one of the plurality of light-emitting units. The flexible film is detachably coupled to the housing. The protection portion covers the plurality of light-emitting units.

Abstract: A light-emitting module includes a carrier, a plurality of light-emitting units, and a protection layer. The carrier has a lighting portion and an extending portion. The plurality of light-emitting units is disposed on the lighting portion. The protection layer covers the plurality of light-emitting units and the lighting portion, and exposes the extending portion.

Abstract: A light-emitting device has a stabilizing-current circuit, a current source having a high electron mobility transistor, and a light source electrically connected to the stabilizing-current circuit and the current source.

Abstract: A light-emitting device includes a current source module having a first transistor, a first voltage control module providing a negative voltage and a second voltage control module having a second transistor. The second voltage control module is electrically connected to the current source module and the first voltage control module.

Abstract: An LED driver for driving a light-emitting device (LED) includes a bridge rectifier, a current driver, and a protection circuit. The bridge rectifier includes a rectifying diode, and the bridge rectifier receives and converts an AC input power source to a DC power source having a DC current and a DC voltage. The current driver includes a constant current source. The bridge rectifier, the current driver, and the protection circuit are connected in series, and the constant current source is used to limit the magnitude of the direct current to drive the LED. The protection circuit includes a protection unit. The protection circuit connects the current driver and the LED. The LED includes a substrate and the rectifying diode, the constant current source, and the protection unit are formed together on the substrate.

Abstract: A light-emitting module includes a carrier, a plurality of light-emitting units, and a protection layer. The carrier has a lighting portion and an extending portion. The plurality of light-emitting units is disposed on the lighting portion. The protection layer covers the plurality of light-emitting units and the lighting portion, and exposes the extending portion.

Abstract: A driver includes a semiconductor chip, a bridge rectifier, and a current driver. The semiconductor chip includes a rectifying diode and a constant current source formed thereon. The bridge rectifier includes the rectifying diode. The current driver includes the first constant current source to provide a constant current.

Abstract: A driver includes a semiconductor chip, a bridge rectifier, and a current driver. The semiconductor chip includes a rectifying diode and a constant current source formed thereon. The bridge rectifier includes the rectifying diode. The current driver includes the first constant current source to provide a constant current.

Abstract: A driver includes a semiconductor chip, a bridge rectifier, and a current driver. The semiconductor chip includes a rectifying diode and a constant current source formed thereon. The bridge rectifier includes the rectifying diode. The current driver includes the first constant current source to provide a constant current.