1. A multiple-display-unit LED light device having special light effect comprising:a plurality of different display units each having a different treatment on the said display area, and
at least one LED has light beam transmitted to said display area of each unit(s), and each of said different display units has its own LED(s) to supply light brightness,
at least one of holder or housing for install more than one of the said unit(s), the LED light device having at least one prong or other electric power signal delivery kits for connecting with an alternating current (AC) or direct current (DC) power source,
the at least one LED is connected by circuitry to a control kits and/or integrated circuit (I.C.) and the prong or electric signal delivery kit, to cause the at least one LED to tum on and tum off for a period of time and to exhibit predetermined illumination effects of the said-individual display unit or all display units, said predetermined illumination effects selected from the group consisting of flashing, steady-on, chasing, random flashing, pair flashing, color changing, auto color changing, selected color effects, and freeze the color-freezing effects of each individual display-unit or/and all display-units,
at least one of the display units is a single piece, and the display area of the at least one of the display units further has a predetermined design selected from the group consisting of art, drawing, texture, ditch, groove, carving design, geometric shape, cartoon, character, sign, painting, window, silkscreen, heat transfer art, openings, cut-outs, optics parts, an LCD screen, digital data, message, words, a religious symbol, an advertisement, warning sign, commercial data, colors, texture, optics treatment, holiday message, a festival message, seasonal message, and holes, on a surface or within the unit, to provide desired lighting effects and performance, and
said LED light device is non-wearable or non-portable or non-carryable, and includes one of a plug-in night light, table desk LED light, wall mounted LED light, sign, commercial light box, evacuation sign, advertisement sign, analog time piece, desk top lamp, clock, light tube, toy, projection light, mobile phone surface panel, communication device, computer device, suction cup LED battery light, Christmas tree light with battery or pigtail wire, USB light device, and consumer electric device, the LED light device having non-portable power source that provides sufficient capacity to power the multiple LEDs.