Abstract: An extension holder applied in tablet PC primarily includes a tablet PC and an extension holder, wherein the tablet PC is secure inserted into the holding space onboard the said extension holder which is further configured with at least a peripheral extension port, enriches the function and convenience of the tablet PC, and provides the holding safety of tablet PC against any damage resulted from slipping or dropping to the ground.

Abstract: A light source of side-edge type light-emitting diode (LED) backlight unit for using in a liquid crystal display (LCD) comprises a substantial LED bar, at least one primary LED set preset as the light source of the LCD, and at least one backup LED set. The primary LED set(s) and backup LED set(s) are composed of a plurality of LED and disposed at the LED bar, and a backup LED set will be enlightened and substituted for one primary LED set as the light source when the primary LED set is broken-down so that the light source for the LCD is maintained at constant levels.

Abstract: A wire-guiding structure for a Light Emitting Diode (LED) backlight module comprises a case with at least an aperture for locating a backlight module with at least a LED light source therein. The aperture is provided for guiding the wire from the LED light source going out of the case.

Abstract: A light source of side-edge type light-emitting diode (LED) backlight unit for using in a liquid crystal display (LCD) comprises a substantial LED bar, at least one primary LED set preset as the light source of the LCD, and at least one backup LED set. The primary LED set(s) and backup LED set(s) are composed of a plurality of LED and disposed at the LED bar, and a backup LED set will be enlightened and substituted for one primary LED set as the light source when the primary LED set is broken-down so that the light source for the LCD is maintained at constant levels.