Patent ID: 10873191

Abstract:
A desk top alarm or time related or LED lighting device with backup battery for power fail time keep time functions always work, and device has USB-port(s) has built-in or external AC-to-DC circuit to get 1st voltage DC, and 1st DC go through at least one of DC-to-DC (including just conductive-piece) to 2nd or more voltage DC(s). At least one of 1st or 2nd or more voltage DC to supply to at least one of (i) USB-charging port(s), (ii) “8’ light source(s), or optional (iii) IC, (iv) speaker, (v) audio device, (vi) radio, (vii) outlet(s), (viii) surge or other safety protection circuit, (ix) colorful LEDs or LED-bulb for accent light, wake-up light, sleep night light, (x) colorful LEDs for charging status or power on/off or am/pm or, other indicator purpose, (xi). Same AC-to-DC circuit and DC-to-DC circuit also apply to desk top LED light which has built-in plurality of LED(s) inside the LED(s) compartment or replaceable/detachable CFL or LED bulbs for desk top LED lighting device. Further, the device has built-in optional outlets to supply AC power to be-supplied products. The device has export power from USB-port is one of (a) min. 1 A or (b) 3.1 to 10 Amp or (c) 12 Watt to 60 Watt to make regular or quickly charging functions.