Seoul Semiconductor (SSC) has introduced an LED for mobile phone keypad backlighting with a thickness of only 0.25 mm and a thickness tolerance of +/- 0.03.
Currently, the minimum available height for LEDs in this application is 0.3 mm. SSC says that the new 0.25 mm Chip LEDs allow mobile phones to become even more compact.
Initially the device will be offered in two colors, white and blue. The luminous output is 160 mcd, and the white device uses SSC's patented phosphor technology.
The dimensions of the package are 1.6 mm (L) x 0.8 mm (W) x 0.25 mm (H). In addition to mobile phone keypad backlights these devices can also be used for MP3 players, PDAs and indicators.
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