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A device for providing ultraviolet light includes a shell for a portable device, wherein the shell includes an interior region and an exterior region, wherein the interior region is adapted to be disposed adjacent to the portable device, a power source configured to provide electrical power, a and a

A device for providing ultraviolet light includes a shell for a portable device, wherein the shell includes an interior region and an exterior region, wherein the interior region is adapted to be disposed adjacent to the portable device, a power source configured to provide electrical power, a and an ultraviolet light source coupled to the power source and embedded into the exterior region of the shell, wherein the ultraviolet light source is configured to output the ultraviolet light in response to the electrical power.

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1. A protective case for a portable handheld electronic device comprising: a protective shell for the portable handheld device, wherein the protective shell includes an interior region and an exterior region, wherein the interior region is sized and configured to extend to fit snugly over at least a

1. A protective case for a portable handheld electronic device comprising: a protective shell for the portable handheld device, wherein the protective shell includes an interior region and an exterior region, wherein the interior region is sized and configured to extend to fit snugly over at least a portion of a back of the portable handheld device, wherein the protective shell includes a rear opening where a camera on the back of the portable handheld device is to be located, and wherein the protective shell includes a front opening where a touch screen display on a front of the portable handheld device to be located;a power source configured to provide electrical power; andan ultraviolet light source coupled to the power source and embedded into the protective shell, wherein the ultraviolet light source is configured to output ultraviolet light in response to the electrical power. 2. The protective case of claim 1 further comprising: a sensor configured to determine an orientation of the protective shell with respect to gravity; anda light inhibiting portion coupled to the ultraviolet light source and to the sensor, wherein the light inhibiting portion is configured to inhibit output of the ultraviolet light from the ultraviolet light source in response to the orientation of the shell. 3. The protective case of claim 2, wherein the orientation is selected from a group consisting of: upwards, sideways. 4. The protective case of claim 1 wherein the power source is disposed within the shell and comprises a battery. 5. The protective case of claim 1 further comprising the portable handheld electronic device, wherein the portable handheld electronic device is removably disposed within the protective case by a user and is adjacent to the interior region of the protective shell. 6. The protective case of claim 5 wherein the power source is disposed within the portable handheld electronic device. 7. The protective case of claim 5wherein the portable handheld electronic device comprises a timer portion and a movement sensor, wherein the movement sensor is configured to determine movement of the portable handheld electronic device, and wherein the timer portion is configured to determine an amount of time the portable handheld electronic device is stationary in response to the movement of the portable handheld electronic device in response to the movement of the portable handheld electronic device, wherein the movement sensor is selected from a group consisting of: an accelerometer and a gyroscope; andwherein an amount of time the ultraviolet light source illuminates a particular surface with the ultraviolet light is associated with the amount of time the portable handheld electronic device is stationary. 8. The protective case of claim 7wherein the timer portion is configured to determine whether the amount of time the portable handheld electronic device is stationary exceeds a threshold time; andwherein the touch screen display of the portable handheld electronic device is configured to output an indicator to the user when the amount of time exceeds the threshold time. 9. The protective case of claim 5wherein the ultraviolet light illuminates a particular surface;wherein the portable handheld electronic device comprises a timer portion, wherein the camera on the back of the portable handheld electronic device is configured to acquire a plurality of images though the rear opening of the protective shell including images of the particular surface; andwherein the timer portion is configured to determine an amount of time the portable handheld electronic device is stationary in response to the plurality of images. 10. The protective case of claim 9further comprising determining with a processor in the portable handheld electronic device whether the portable handheld electronic device is stationary in response to the plurality of images. 11. A method for providing ultraviolet light comprising: receiving a protective shell having an interior region and an exterior region, wherein the interior region is sized and configured to extend to fit snugly over at least a portion of a back of the portable handheld device, wherein the protective shell includes a rear opening where a camera on the back of the portable handheld device is to be located, wherein the protective shell includes a front opening where a touch screen display on a front of the portable handheld device is to be located, wherein the protective shell comprises an ultraviolet light source embedded into the exterior region of the protective shell, wherein the ultraviolet light source is configured to output ultraviolet light;disposing the portable handheld electronic device into the interior region within the protective shell; andpowering the ultraviolet light source to cause the ultraviolet light source to output the ultraviolet light to a plurality of surfaces. 12. The method of claim 11 further comprising: determining an orientation of the portable handheld electronic device with respect to gravity with an orientation sensor; andinhibiting output of the ultraviolet light from the ultraviolet light source in response to the orientation of the shell. 13. The method of claim 12, wherein the orientation is selected from a group consisting of: upwards, sideways. 14. The method of claim 11 further comprising powering the ultraviolet light source with electrical power from a battery disposed within the protective shell. 15. The method of claim 11 further comprising powering the ultraviolet light source with electrical power from the portable handheld electronic device. 16. The method of claim 15 further comprising: displaying an ultraviolet light illumination indicator on a touch screen display of the portable handheld electronic device to a user;receiving a selection of an icon by the user on touch screen display of the portable handheld electronic device; andinhibiting the electrical power powering the ultraviolet light source in response to the selection of the icon by the user. 17. The method of claim 11determining movement of the portable handheld electronic device with a movement sensor;determining an amount of time the portable handheld electronic device is stationary; andwherein the amount of time the portable handheld electronic device is stationary is associated with an amount of time the ultraviolet light illuminates a particular surface. 18. The method of claim 17 determining whether the amount of time the portable handheld electronic device is stationary exceeds a threshold time; and displaying an indicator on a touch screen of the portable handheld electronic device a user when the amount of time exceeds the threshold time. 19. The method of claim 11 further comprising: acquiring a plurality of images with the camera on the back of the portable handheld device;determining movement of the portable handheld electronic device in response to the plurality of images;determining whether one of the plurality of images is associated with a class of images; andinhibiting powering the ultraviolet light when one of the plurality of images is determined to be associated with a class of images comprising human faces. 20. A portable handheld electronic device for providing ultraviolet light comprising: a housing comprising one or more openings and having a front surface and a rear surface;a power source disposed within the housing and configured to provide electrical power;a camera disposed within the housing, wherein the camera is directed through the one or more openings on the rear surface, wherein the camera is coupled to the power source, and wherein the camera is configured to acquire a plurality of images;a touch-screen display disposed within the housing, wherein the touch-screen display is directed through the one or more openings on the front surface, wherein the touch-screen display is coupled to the power source, wherein the touch-screen display is configured to display one or more images to a user, and wherein the touch-screen display is configured to receive selections of one or more applications on the portable handheld electronic device by the user;an ultraviolet light source disposed within the housing, wherein the ultraviolet light source is directed through the one or more openings on the rear surface, wherein the camera is coupled to the power source, and wherein the ultraviolet light source is configured to output the ultraviolet light in response to the electrical power; anda processor coupled to the power source, the camera, the touch-screen display, and the ultraviolet light source, wherein the processor is programmed to determine whether to provide the electrical power to the ultraviolet light source in response to the plurality of images acquired by the camera.