Light Emitting Device with Shared MOSFET Gate Drives

The patent merges multiple gate drive circuits into a single gate drive circuit that can control multiple MOSFET switches. The gate drive circuit generates gate signals that are distributed to multiple switches, allowing individual control of each light emitting element while using shared control infrastructure. This combining approach maintains individual control capability while significantly reducing the number of gate drive circuits needed.

The gate drive circuit is designed with multi-functionality to control multiple different MOSFET switches using the same circuit architecture. The circuit can generate and distribute gate signals to various switches that control different light emitting elements, making a single gate drive circuit serve multiple control functions that would traditionally require separate dedicated circuits for each element.

The patent merges multiple power supply requirements into a single common power supply that serves all MOSFET switches. By using a shared power supply with a common ground reference, the invention eliminates the need for multiple isolated power supplies while maintaining the ability to independently control each switch through gate signals. This approach significantly reduces power supply complexity and cost.

The patent implements equipotentiality by connecting all MOSFET switches to a common ground reference potential. This allows the use of a single power supply voltage level for all switches while maintaining independent control capability. The common ground creates an equipotential reference that simplifies the power distribution architecture while preserving control flexibility through differential gate signal application.

The gate drive circuit is designed to universally control multiple light emitting elements through multiple MOSFET switches. A single gate drive circuit can generate and distribute control signals to numerous switches, allowing the system to scale up light emission capability by adding more light emitting elements without proportionally increasing the number of gate drive circuits. This multi-functional approach enables efficient scaling of illumination intensity.

The patent merges the control functions for multiple light emitting elements into a unified gate drive circuit architecture. By combining control resources and using shared control infrastructure, the system can manage a large number of light emitting elements and their associated switches without requiring an equivalent number of separate gate drive circuits, thus enabling enhanced light emission capability with controlled complexity growth.