OMAP 4 enters Android market in dual-core era

Compared with traditional lighting fixtures, LED lamps can produce colored light without the use of filters or filters. They are not only highly efficient and pure in color, but also can achieve dynamic or gradual color changes. They can maintain a high color rendering index while changing the color temperature to meet the needs of different applications. However, new requirements are also put forward for its packaging, which are specifically reflected in:

　　1. Modularization

　　By connecting multiple LED lights (or modules) together, good lumen output superposition can be achieved to meet the requirements of high-brightness lighting. Through modular technology, multiple point light sources or LED modules can be combined in any shape to meet the lighting requirements of different fields.

　　2. Maximizing system efficiency

　　In order to improve the light output efficiency of LED lamps, in addition to a suitable LED power supply, it is also necessary to adopt an efficient heat dissipation structure and process, as well as optimize the internal/external optical design to improve the efficiency of the entire system.

　　3. Low cost

　　For LED lamps to enter the market, they must have a competitive advantage in cost (mainly referring to the initial installation cost), and packaging accounts for a large part of the entire LED lamp production cost. Therefore, adopting new packaging structures and technologies to improve the light efficiency/cost ratio is the key to realizing the commercialization of LED lamps.

　　4. Easy to replace and maintain

　　Since LED light sources have a long life and low maintenance costs, higher requirements are placed on the reliability of LED lamp packaging. LED lamp designs must be easy to improve to accommodate future requirements for more efficient LED chip packaging, and LED chips must be interchangeable so that lamp manufacturers can choose which chips to use.

　　LED lamp light source can be composed of multiple distributed point light sources. Due to the small size of the chip, the packaged lamp is light in weight, delicate in structure, and can meet the needs of various shapes and different integration levels. The only drawback is that there is no ready-made design standard, but at the same time it provides ample imagination for the design. In addition, the primary goal of LED lighting control is power supply. Since the general mains power supply is high-voltage alternating current (220V, AC), and LED requires a constant current or current-limited power supply, a conversion circuit or an embedded control circuit must be used to achieve advanced calibration and closed-loop feedback control systems. In addition, through digital lighting control technology, the use and control of solid-state light sources mainly rely on intelligent control and management software, thereby establishing a new relationship between users, information and light sources, and giving full play to the imagination of designers and consumers.