US Patent 11049991 Manufacturing method of an optical module

A manufacturing method of an optical module is provided and includes: attaching a light emitting diode light emitting device and a sensor on a substrate; disposing a first encapsulation portion on the light emitting device and the substrate; disposing a second encapsulation portion on the sensor and the substrate; disposing a shielding layer on the first encapsulation portion, the second encapsulation portion and the substrate; removing a first portion of the first encapsulation portion, a second portion of the second encapsulation portion, and a third portion of the shielding layer, and the first portion corresponds to a position of the light emitting device, the second portion corresponds to a position of the sensor, and the third portion corresponds to the positions of the light emitting device and the sensor; and forming a third encapsulation layer on the shielding layer, the first encapsulation portion and the second encapsulation portion.