Sanken electric display notebook backlight for thin LED luminous efficiency more than 80lmW

Sanken electric in the "CEATEC JAPAN 2008" on the reference display for notebook computer and car navigation systems and other small LCD panel backlight line light source with LED Mini Multi LED "". LED is arranged on the side of the backlight unit, and the light emitted by the LED is diffused into the back lamp surface through the light guide plate, and is used as the light source of the end surface illumination. The size of the shape of the long 8.6MM * wide 2mm slender design, thickness control in the 0.8mm (Figure 1). The package has 4 chips, including a red LED chip, a blue LED chip and 2 green LED chips, in addition to the protection of the 1 components. Thermal resistance is 22 /W. Luminous efficiency more than 80lm/W. Each chip can be current through the 30mA. Plans to start production in the spring of 2009.

In Sanken electric also on display in the exhibition area of the back light source using a liquid crystal panel Mini Multi LED (Figure 2). LCD screen is 15.4 inches, arranged in the upper panel of the LED Multi Mini 32. Panel brightness is 250cd/m2.

In addition, Sanken electric also exhibited a package only a component of the LED "Mini Top LED" (Figure 3). Currently in development, the dimensions are divided into 3015 dimensions, the size of 2125 and the size of 3 types of 1608.

Figure 1 Mini Multi LED light-emitting state

Figure 215.4 the top of the panel is arranged with 32 Mini Multi LED backlight

Source: Nikkei BP