Currently, surface mount device (SMD) LED packages are widely used in many products, such as lighting, display backlights, cell phones, and automobiles. Therefore, in the supply terminal, the optimization of the packaging process is inevitable. It is important to enhance the ratio of performance to price and to match the customers’ requirements for specific applications. Here, three types of LED packages were proposed. Their luminous flux, luminous efficacy, and illuminance were measured and discussed. The lumen value for the white wall sample increases by about 10.5% compared with that without the white wall. In addition, the enhanced white wall sample significantly reduces the usage of phosphors by about 25%.