Transparent liquid crystal display on display case
First Claim
1. A point-of-sale advertising system for use with a display case having a front glass sheet positioned in front of a cavity for accepting goods, the system comprising:
- a transparent LCD positioned behind the front glass sheet, said LCD having a pair of opposing edges; and
a plurality of LEDs positioned adjacent to the pair of opposing edges of the LCD and arranged so that light which is emitted from the LEDs is directed backwards towards the cavity.
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Accused Products
Abstract
Exemplary embodiment disclosed herein provide a point-of-sale advertising system for use with a display case having a front glass sheet positioned in front of a cavity for accepting goods, the system containing a transparent LCD positioned behind the front glass sheet, and a plurality of LEDs positioned adjacent to one pair of opposing edges of the LCD and arranged so that light which is emitted from the LEDs is directed backwards towards the cavity. Further embodiments may also contain a door assembly and frame surrounding the front glass sheet and LCD, a switch positioned to determine when the door assembly is open or closed, and electrical circuitry adapted to turn off the LEDs when the door is open and turn on the LEDs when the door is closed.
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Citations
18 Claims
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1. A point-of-sale advertising system for use with a display case having a front glass sheet positioned in front of a cavity for accepting goods, the system comprising:
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a transparent LCD positioned behind the front glass sheet, said LCD having a pair of opposing edges; and a plurality of LEDs positioned adjacent to the pair of opposing edges of the LCD and arranged so that light which is emitted from the LEDs is directed backwards towards the cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A display case comprising:
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a housing which defines a cavity for accepting goods; a front glass sheet positioned in front of the cavity and having a perimeter; a transparent LCD positioned behind the front glass sheet and having a first and second pair of opposing edges, where the first pair of opposing edges is longer than the second pair; and a plurality of LEDs positioned adjacent to and along the first pair of opposing edges and oriented such that emitted light is directed backwards towards the cavity. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A door assembly for a display case having a cavity for accepting goods, the door assembly comprising:
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a front glass sheet; a transparent LCD positioned behind the front glass sheet and having a pair of vertical edges; a plurality of LEDs positioned adjacent to and along the pair of vertical edges and oriented such that emitted light is directed backwards towards the cavity; a switch positioned to determine when the door assembly is open or closed; and electrical circuitry adapted to turn off the LEDs when the door is open and turn on the LEDs when the door is closed. - View Dependent Claims (15, 16, 17, 18)
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Specification