The Sony Vaio L series is the name for a range of Vaio all-in-one desktop computers sold by Sony since 2006.
Windows 7 models
Since the launch of Windows 7, the L series has been a touchscreen PC, featuring a 24" 1920x1080 LCD touchscreen. As of 2013, the L series used the Windows 8 operating system.
The Sony Vaio J series is similar to the L series, except that it features a 21.5" 1920x1080 LCD touchscreen.
References
Sony Vaio L series Wikipedia(Text) CC BY-SA