The present invention discloses a LED back light module and a LCD device, wherein the LED back light module comprises a lamp source fixing device for fixing the LED light bar, and said lamp source fixing device is provided with multiple fins. In one aspect, a search system includes a communications interface configured to access a plurality of data items of a collection, wherein the data items include a plurality of image objects individually comprising image data utilized to generate an image of the respective data item. An X-lead frame is bonded to the support structure such that electrical contact is made with an external lead. The controller stores link information of the Bluetooth master machines already paired with the computer switch for quickly switching to a Bluetooth master machine. The invention also provides capsules comprising shear sensitive fill material obtained by the said process which have a high and constant dissolution rate.