Keypad illuminating system for a data processing device
First Claim
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1. A keypad illuminating system for a data processing device, comprising:
- a keypad;
a light source adapted to be mounted on the data processing device for directing non-visible light toward said keypad; and
a photoluminescent substance associated with said keypad for emitting visible light in response to said non-visible light emitted from said light source.
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Abstract
A keypad illuminating system for a data processing device includes a keypad, a light source, and a photoluminescent substance. The light source is adapted to be mounted on the data processing device for illuminating the keypad. The photoluminescent substance is associated with the keypad for emitting visible light in response to the light emitted from the light source.
58 Citations
19 Claims
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1. A keypad illuminating system for a data processing device, comprising:
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a keypad;
a light source adapted to be mounted on the data processing device for directing non-visible light toward said keypad; and
a photoluminescent substance associated with said keypad for emitting visible light in response to said non-visible light emitted from said light source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A keyboard for a data processing device, the data processing device including a light source emitting non-visible light, said keyboard comprising:
a plurality of keypads, each of which is provided with a photoluminescent substance thereon for emitting visible light in response to said non-visible light emitted from the light source. - View Dependent Claims (10, 11, 12)
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13. A data processing device, comprising:
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a display unit including a light source emitting non-visible light; and
a body connecting to said display unit, and including a keyboard, said keyboard including a plurality of keypads, each of which is provided with a photoluminescent substance thereon for emitting visible light in response to said non-visible light emitted from said light source. - View Dependent Claims (14, 15, 16, 17)
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18. A data processing device, comprising:
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a display unit including a light source emitting light within a predetermined range of wavelength;
a body connecting to said display unit, and including a keyboard, said keyboard including a plurality of keypads, each of which is provided with a photoluminescent substance thereon for emitting visible light in response to the light emitted from said light source; and
an arm member mounted on said display unit, said light source being mounted on said arm member, said arm member being rotatable relative to said display unit between a protruding position, in which said arm member protrudes from said display unit and in which said light source is turned on to illuminate said keypads, and a folded position, in which said arm member is received by said display unit and in which said light source is turned off. - View Dependent Claims (19)
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Specification