Apparatus for selectively backlighting a material

A backlighting device for emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• a layer of quantum dots emitting light having the first wavelength in response to the emitted radiation of the electroluminescent lamp, the first wavelength being larger than the second wavelength;
• and
• a radiation emission device disposed on a side of the electroluminescent lamp opposed to the layer of quantum dots for emitting light having the first wavelength.

A backlighting device for emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• a layer of quantum dots emitting light having the first wavelength in response to the emitted radiation of the electroluminescent lamp, the first wavelength being larger than the second wavelength;
• and
• further comprising a transparent material further comprising a transport material wherein the transparent material comprises one of a touch key, an icon, and at least a portion of a housing of an electronic device.

A backlighting device emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• a layer of a plurality of free standing quantum dots emitting light having the first wavelength in response to being impacted by the radiation having a second wavelength, the first wavelength being larger than the second wavelength;
• and
• a layer including scattering particles disposed over the layer of free standing quantum dots that scatters the radiation having a second wavelength.

A backlighting device emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• and
• a layer of a plurality of free standing quantum dots emitting light having the first wavelength in response to being impacted by the radiation having a second wavelength, the first wavelength being larger than the second wavelength;
• further comprising a transparent material further comprising a transport material wherein the transparent material comprises one of a touch key, an icon, and at least a portion of a housing of an electronic device.

A backlighting device emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• a layer of quantum dots and phosphorus particles emitting light having the first wavelength in response to the emitted radiation of the electroluminescent lamp, the first wavelength being larger than the second wavelength;
• and
• further comprising a transparent material further comprising a transport material wherein the transparent material comprises one of a touch key, an icon, and at least a portion of a housing of an electronic device.

A backlighting device emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• a layer of quantum dots and phosphorus particles emitting light having the first wavelength in response to the emitted radiation of the electroluminescent lamp, the first wavelength being larger than the second wavelength;
• and
• a layer including scattering particles disposed over the layer of quantum dots and phosphorus particles that scatters the radiation and light having wavelength other than the first wavelength.

A backlighting device emitting light having a first wavelength, comprising:

• an electroluminescent lamp for emitting radiation having a second wavelength;
• and
• a layer of quantum dots and phosphorus particles emitting light having the first wavelength in response to the emitted radiation of the electroluminescent lamp, the first wavelength being larger than the second wavelength;
• and
• a radiation emission device disposed on a side of the electroluminescent lamp opposed to the layer of quantum dots and phosphorus particles, for emitting light having the first wavelength.