Abstract: There is provided an optical sensor package including a substrate, a base layer, an optical detection region, a light source and a light blocking wall. The base layer is arranged on the substrate. The light detection region and the light source are arranged on the base layer. The light blocking wall is arranged on the base layer, and located between the light detection region and the light source to block light directly propagating from the light source to the light detection region.

Abstract: A method of measuring and displaying the actual quantity of electricity of a rechargeable battery being charged by an external power source via a charger. The method includes issuing a power out signal from the charger to temporarily disable the power source; sending a signal indicating the actual quantity of electricity of the battery as feedback to the controller in response to the disabled power source; and configuring the controller to have a reference voltage so as to compare the reference voltage with a voltage of the feedback actual quantity of electricity of the rechargeable battery to obtain a voltage ratio, and issue a display signal to a display for displaying a correct measurement based on the voltage ratio.

Abstract: The present invention provides a charger capable of displaying quantity of charge of a rechargeable battery. The charger is to employ a charge device that can provide external power for power conversion so as to charge the rechargeable battery. After the charging operation, a display signal is outputted. Besides, a display unit is provided on the charge device for receiving the display signal. After the rechargeable battery has been charged on the charge device, through the display unit, the display signal will provide multiple percentage levels for electricity quantity and display an actual quantity of charge that has been charged to the rechargeable battery. Thus, a complete quantity of charge can be obtained instantly and precisely, and the user can judge how long and how far the rechargeable battery can last according to the information.

Abstract: Method of measuring and display the actual quantity of electricity of a rechargeable battery being charged by an external power source via a charger is disclosed. The method comprises issuing a power out signal from the charger to temporarily disable the power source; sending a signal indicating the actual quantity of electricity of the battery as feedback to the controller in response to the disabled power source; and configuring the controller to have a reference voltage so as to compare the reference voltage with a voltage of the feedback actual quantity of electricity of the rechargeable battery to obtain a voltage ratio, and issue a display signal to a display for displaying a correct measurement based on the voltage ratio.