Abstract: An elongated lamp tube has an elongated tube shell, two caps, a LED light source, a first power supply circuit, a second power supply circuit and a frequency switch circuit. The elongated lamp tube may be connected to first electrodes of a lamp fixture without a ballast or a lamp fixture with a ballast. The ballast converts an external power of an industrial frequency to a converted power of a working frequency. The frequency switch circuit is connected to the first power supply and the second power supply for blocking one of the first power supply circuit and the second power supply to supply driving current to the LED light source according to an input frequency of a received power.

Abstract: An integrated electrical connector device structure of LED light includes a light source board, a supporting board a light head, and at least a conductive connector. The supporting board is set between the light source board and the light head. The conductive includes a conductive pin, a fixed part and a plug. The fixed part is fixed on the supporting board. The conductive pin is connected to the light head electrically. The plug is connected to the light source board electrically to connect the light head and the light source board electrically. The integrated electrical connector device structure of LED light owns the advantages of simple structure and easy to be assembled automatically.

Abstract: A gas-free light bulb device has a lamp head, heatsink, a bulb, a glass core column, multiple filament assemblies, and a resilient extending element. The heatsink is mounted on the lamp head and has a mounting slot and a driver circuit board mounted in the mounting slot. The bulb is mounted on the heatsink and has a cavity. The glass core column is mounted in the mounting slot. The filament assemblies are mounted on the glass core column. The resilient extending element is mounted on the glass core and has a resilient rubber sleeve mounted around the glass core column and multiple resilient extending rubber bars connected respectively to the filament assemblies. When the gas-free light bulb device is operated with rising temperature, the resilient rubber sleeve is heated and loosened to slide upward and drive the filament assemblies to contact the bulb to effectively dissipate heat.

Abstract: An elongated lamp tube has an elongated tube shell, two caps, a LED light source, a first power supply circuit, a second power supply circuit and a frequency switch circuit. The elongated lamp tube may be connected to first electrodes of a lamp fixture without a ballast or a lamp fixture with a ballast. The ballast converts an external power of an industrial frequency to a converted power of a working frequency. The frequency switch circuit is connected to the first power supply and the second power supply for blocking one of the first power supply circuit and the second power supply to supply driving current to the LED light source according to an input frequency of a received power.

Abstract: An LED tube apparatus has a tube body with two opposite ends fixed to a first cap and a second cap. An LED module is placed in the tube body. The LED module has a driver circuit containing an electronic ballast that generates high frequency electric current. The first cap has two first metal pins to be inserted in a first socket end of a light tube bracket. The first metal pin clutches an end of a leading wire. The leading wire has a protective portion breaking off when the first metal pin is applied with a predetermined range of heat generated by the high frequency electric current when the LED tube apparatus is not operated properly.

Abstract: An integrated electrical connector device structure of LED light includes a light source board, a supporting board a light head, and at least a conductive connector. The supporting board is set between the light source board and the light head. The conductive includes a conductive pin, a fixed part and a plug. The fixed part is fixed on the supporting board. The conductive pin is connected to the light head electrically. The plug is connected to the light source board electrically to connect the light head and the light source board electrically. The integrated electrical connector device structure of LED light owns the advantages of simple structure and easy to be assembled automatically.

Abstract: A gas-free light bulb device has a lamp head, heatsink, a bulb, a glass core column, multiple filament assemblies, and a resilient extending element. The heatsink is mounted on the lamp head and has a mounting slot and a driver circuit board mounted in the mounting slot. The bulb is mounted on the heatsink and has a cavity. The glass core column is mounted in the mounting slot. The filament assemblies are mounted on the glass core column. The resilient extending element is mounted on the glass core and has a resilient rubber sleeve mounted around the glass core column and multiple resilient extending rubber bars connected respectively to the filament assemblies. When the gas-free light bulb device is operated with rising temperature, the resilient rubber sleeve is heated and loosened to slide upward and drive the filament assemblies to contact the bulb to effectively dissipate heat.

Abstract: An electrical connector device that connects a light source board and a driver board of an LED light electrically. The electrical connector device includes a connector board. The connector board is related to the conductive pins. The connector board is fixed on the light source board and connected to the light source board electrically through the conductive pins. The electrical connector device also includes two electrical connector pieces. Each electrical connector piece includes a whole set for the connection portion and the resistance portion. One end of the connection portion is fixed on the connection board. The resistance portion of the electrical connector piece closes to each other to become an elastic clipping portion and includes the bent and fastening structure. After bending, the fastening structure touches the other end of the connection portion to be fixed on the connection board. The electrical connector device owns the advantages of simple structure and easy to be assembled automatically.

Abstract: An integrated electrical connector device structure of LED light includes a light source board, a supporting board a light head, and at least a conductive connector. The supporting board is set between the light source board and the light head. The conductive includes a conductive pin, a fixed part and a plug. The fixed part is fixed on the supporting board. The conductive pin is connected to the light head electrically. The plug is connected to the light source board electrically to connect the light head and the light source board electrically. The integrated electrical connector device structure of LED light owns the advantages of simple structure and easy to be assembled automatically.

Abstract: A heat dissipation light ring that includes a light source board, a heat transferred layer and an insulating layer. The insulating layer is set outside of the heat transferred layer. The heat transferred layer includes heat conductive part and heat transferred part. The heat conductive part is related to the light source board with heat and set tilted compared with the heat conductive part. The heat dissipation light ring includes heat transferred wall. One end of the heat transferred wall is related to heat conductive part with heat, and the other end of the transferred wall is related to heat transferred part. The insulating layer is set outside of the heat transferred layer and heat transferred wall. The heat dissipation light ring owns the advantage of the high thermal efficiency.

Abstract: An electrical connector device that connects a light source board and a driver board of an LED light electrically. The electrical connector device includes a connector board. The connector board is related to the conductive pins. The connector board is fixed on the light source board and connected to the light source board electrically through the conductive pins. The electrical connector device also includes two electrical connector pieces. Each electrical connector piece includes a whole set for the connection portion and the resistance portion. One end of the connection portion is fixed on the connection board. The resistance portion of the electrical connector piece closes to each other to become an elastic clipping portion and includes the bent and fastening structure. After bending, the fastening structure touches the other end of the connection portion to be fixed on the connection board. The electrical connector device owns the advantages of simple structure and easy to be assembled automatically.