Patent Number: 
Section: claims

1. A method comprising:providing an upper housing of a nail lamp comprising a portion having a translucent material;coupling a lower housing to the upper housing, wherein an enclosed space is formed between the upper and lower housings;providing a display panel capable of displaying at least two digits;positioning a first printed circuit board in the enclosed space between the upper and lower housings, wherein the first printed circuit board comprises electronic circuitry comprising a control circuit that is coupled to one or more buttons, accessible from an exterior of the nail lamp, and the display, andby way of the one or more buttons, a user can select a curing time, which will be displayed on the display panel;coupling a second printed circuit board to the first printed circuit board in the enclosed space between the upper and lower housings, wherein the second printed circuit board comprises a plurality of interior-illuminating light emitting diodes that are coupled to the control circuit of the first printed circuit board,light emitted by the interior-illuminating light emitting diodes is directed through apertures into a treatment chamber of the nail lamp, andwhen on, the interior-illuminating light emitting diodes emit ultraviolet light; andcoupling a plurality of exterior-illuminating light emitting diodes to the control circuit of the first printed circuit board, wherein light emitted by the exterior-illuminating light emitting diodes strikes a surface of the translucent material, visible from the exterior of the nail lamp,when on, the exterior-illuminating light emitting diodes emit non-ultraviolet light, the interior-illuminating light emitting diodes emit light in a first direction, the exterior-illuminating light emitting diodes emit light in a second direction, and the first direction is toward the treatment chamber and the second direction is away from the treatment chamber, andwhile the exterior-illuminating light emitting diodes are on, a color of the light emitted by the exterior-illuminating light emitting diodes changes to be different colors comprising at least red, green, and blue shades. 2. The method of claim 1 comprising:coupling an internal rechargeable battery pack to the first printed circuit board; andcoupling an exterior power connector to the first printed circuit board, wherein power input via the exterior power connector is used to power the electronic circuitry of the first printed circuit board, interior-illuminating light emitting diodes, and exterior-illuminating light emitting diodes, and to recharge the internal rechargeable battery pack, andwhen power is not connected to the exterior power connector, the electronic circuitry of the first printed circuit board, interior-illuminating light emitting diodes, and exterior-illuminating light emitting diodes are powered by the internal rechargeable battery pack. 3. The method of claim 1 wherein the curing time selected by the user can be a predetermined curing time of 15 seconds, 30 seconds, or 60 seconds. 4. The method of claim 1 wherein the buttons comprise at least three buttons. 5. The method of claim 1 wherein the interior-illuminating light emitting diodes are in recessed openings. 6. The method of claim 1 wherein the interior-illuminating light emitting diodes comprise at least one 1-watt light emitting diode. 7. The method of claim 1 wherein the interior-illuminating light emitting diodes emit ultraviolet light in a range from about 340 nanometers to about 410 nanometers. 8. The method of claim 1 comprising:coupling detection sensors to the control circuit, wherein after the user has selected a curing time, the detection sensors detect the presence of a hand in the treatment chamber, and when a hand is placed in the treatment chamber, the control circuit turns on the interior-illuminating light emitting diodes,while the interior-illuminating light emitting diodes are on, the display panel shows a time remaining for the interior-illuminating light emitting diodes to be on, andafter the selected curing time has elapsed, the control circuit turns off the interior-illuminating light emitting diodes, even when the hand remains in the treatment chamber. 9. The method of claim 1 wherein while the interior-illuminating light emitting diodes are turned on, the exterior-illuminating light emitting diodes are turned on to illuminate the translucent material that is visible from the exterior of the nail lamp. 10. The method of claim 9 wherein when the interior-illuminating light emitting diodes are turned off, the exterior-illuminating light emitting diodes are turned off to stop illuminating the translucent material. 11. A method comprising:providing an upper housing of a nail lamp comprising an opaque portion and a translucent portion;coupling a lower housing to the upper housing, wherein an enclosed space is between the upper and lower housings;providing a display panel capable of displaying at least two digits;positioning a first printed circuit board in the enclosed space between the upper and lower housings, wherein the first printed circuit board comprises electronic circuitry comprising a control circuit that is coupled to at least three buttons, accessible from an exterior of the nail lamp, and the display, andby way of the three buttons, a user can select a curing time comprising a 15-seconds setting, 30-seconds setting, and 60-seconds setting, and the selected curing time will be displayed on the display panel after being selected;coupling a second printed circuit board to the first printed circuit board in the enclosed space between the upper and lower housings, wherein the second printed circuit board comprises a plurality of interior-illuminating light emitting diodes that are coupled to the control circuit of the first printed circuit board,light emitted by the interior-illuminating light emitting diodes is directed through recessed openings into a treatment chamber of the nail lamp, andwhen on, the interior-illuminating light emitting diodes emit ultraviolet light;coupling a plurality of exterior-illuminating light emitting diodes to the control circuit of the first printed circuit board, wherein light emitted by the exterior-illuminating light emitting diodes strikes a surface of the translucent portion, visible from the exterior of the nail lamp, and the translucent portion comprises a light diffusing material that scatters light from the exterior-illuminating light emitting diodes, andwhen on, the exterior-illuminating light emitting diodes emit non-ultraviolet light, the interior-illuminating light emitting diodes emit light in a first direction, the exterior-illuminating light emitting diodes emit light in a second direction, and the first direction is toward the treatment chamber and the second direction is away from the treatment chamber;coupling detection sensors to the control circuit, wherein after the user has selected a curing time, the detection sensors detect the presence of a hand in the treatment chamber, and when a hand is placed in the treatment chamber, the control circuit turns on the interior-illuminating light emitting diodes,while the interior-illuminating light emitting diodes are on, the display panel shows a time remaining for the interior-illuminating light emitting diodes to be on, and the exterior-illuminating light emitting diodes are turned on to illuminate the translucent portion that is visible from the exterior of the nail lamp, andafter the selected curing time has elapsed, the control circuit turns off the interior-illuminating light emitting diodes, even when the hand remains in the treatment chamber;coupling a rechargeable battery pack, in the enclosed space between the upper and lower housings, to the first printed circuit board; andcoupling an exterior power connector to the first printed circuit board, wherein power input via the exterior power connector is used to power the electronic circuitry of the first printed circuit board, interior-illuminating light emitting diodes, and exterior-illuminating light emitting diodes, and to recharge the rechargeable battery pack, andwhen power is not connected to the exterior power connector, the electronic circuitry of the first printed circuit board, interior-illuminating light emitting diodes, and exterior-illuminating light emitting diodes are powered by the rechargeable battery pack. 12. The method of claim 11 wherein the light diffusing material provides a more uniform illumination across the translucent portion than compared to an uneven illumination without the light diffusing material. 13. The method of claim 11 wherein when the interior-illuminating light emitting diodes are on and the hand is removed from the treatment chamber, the detection sensors detect the removal of the hand from the treatment chamber, and the control circuit turns off the interior-illuminating light emitting diodes, even before the selected curing time has elapsed, and the exterior-illuminating light emitting diodes are turned off to stop illuminating the translucent portion. 14. The method of claim 11 wherein the interior-illuminating light emitting diodes comprise at least one 1-watt light emitting diode. 15. The method of claim 11 wherein the interior-illuminating light emitting diodes emit ultraviolet light in a range from about 340 nanometers to about 410 nanometers. 16. The method of claim 11 wherein the rechargeable battery pack is internal to the nail lamp. 17. The method of claim 11 after the selected curing time has elapsed, the exterior-illuminating light emitting diodes are turned off to stop illuminating the translucent portion. 18. The method of claim 11 wherein while the interior-illuminating light emitting diodes are on, the light emitted by the exterior-illuminating light emitting diodes changes to be different colors. 19. The method of claim 11 wherein while the interior-illuminating light emitting diodes are on, a color of the light emitted by the exterior-illuminating light emitting diodes changes to be different colors comprising at least red, green, and blue shades. 20. The method of claim 11 wherein while the interior-illuminating light emitting diodes are on, a color of the light emitted by the exterior-illuminating light emitting diodes changes to be different colors comprising at least red, pink, yellow, green, blue, and purple shades.