Try this Luton site for more info and to use their LED selection tool. Not all LED's will work with an electronic dimmer. Some want a MLV, some a forward phase and some a reverse phase dimmer. Some will dim but only to a certain point and many will say they dim but really won't. The driver is the weak point in this equation and tends to be the one place that manufacures will use what ever is cheapest and available.
Dimming CFLs and LEDs