Abstract: A transformer includes a bobbin and a plurality of coils wound on the bobbin. The plurality of coils includes a first primary coil; a second primary coil, located above the first primary coil and electrically connected to the first primary coil; a secondary coil, located between the first primary coil and the second primary; a first auxiliary coil, located above the second primary coil; and a second auxiliary coil, located on the first auxiliary coil and electrically connected to the first auxiliary coil.

Abstract: A package structure is provided herein, which includes a substrate, an integrated transistor, and an encapsulation structure. The integrated transistor is disposed on the substrate and includes a transistor, a capacitor, a resistor, a first Zener diode, and a second Zener diode. The transistor includes a gate, a drain, and a source. The capacitor is electrically connected to the gate, and the resistor is electrically connected to the gate. The first Zener diode includes a first anode and a first cathode electrically connected to the gate. The second Zener diode includes a second anode electrically connected to the first anode and a second cathode electrically connected to the source. The encapsulation structure encapsulates the integrated transistor. The package structure includes a gate terminal, a drain terminal, and a source terminal.

Abstract: The present application discloses a light-emitting device comprises a semiconductor light-emitting element, a transparent element covering the semiconductor light-emitting element, an insulating layer which connects to the transparent element, an intermediate layer which connects to the insulating layer; and a conductive adhesive material connecting to the intermediate layer.

Abstract: The present application discloses a light-emitting device comprises a semiconductor light-emitting element, a transparent element covering the semiconductor light-emitting element, an insulating layer which connects to the transparent element, an intermediate layer which connects to the insulating layer; and a conductive adhesive material connecting to the intermediate layer.

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: The present application discloses a light-emitting device comprises a semiconductor light-emitting element, a transparent element covering the semiconductor light-emitting element, an insulating layer which connects to the transparent element, an intermediate layer which connects to the insulating layer; and a conductive adhesive material connecting to the intermediate layer.