System for using constricted convection with closed loop plenum as the convection plate
First Claim
Patent Images
1. A system for cooling a display comprising:
- a closed-loop cooling system surrounding the display, the cooling system having a rear cooling chamber placed posterior to the display, the space between the rear cooling chamber and the display defining a gap; and
a fan positioned to create a flow of ambient air through the gap.
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Abstract
A cooling system and a method for cooling an electronic display. A preferred embodiment utilizes a closed loop cooling system in a constricted convection cooling setup to remove heat from the backlight of a display assembly. Cooling air can be pulled or pushed through a gap between the display (or backlight) and a rear cooling chamber. The resulting warm air can then be exhausted out of the display housing. The cooling air may be air conditioned or may be exposed to a thermoelectric device. A thermostat may be used so that cooling fans are only energized when the temperature reaches a predetermined point.
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Citations
20 Claims
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1. A system for cooling a display comprising:
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a closed-loop cooling system surrounding the display, the cooling system having a rear cooling chamber placed posterior to the display, the space between the rear cooling chamber and the display defining a gap; and a fan positioned to create a flow of ambient air through the gap. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A display assembly comprising:
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an electronic display; a closed-loop cooling system surrounding the display, the cooling system having a rear cooling chamber placed near the display posterior, the space between the rear cooling chamber and the display defining a gap; a first fan below the rear cooling chamber and adapted to ingest ambient air; and a second fan adapted to force air through the gap. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A display assembly comprising:
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a housing; an LCD stack within the housing; an LED backlight placed behind the LED stack and having a posterior surface; a closed-loop cooling system surrounding the LCD stack and LED backlight, the cooling system having a rear cooling chamber placed near the posterior surface of the LED backlight, the space between the rear cooling chamber and the posterior surface of the LED backlight defining a gap; a first fan below the rear cooling chamber and adapted to ingest ambient air into the housing; a second fan adapted to force air through the gap; and an exhaust aperture adapted to exhaust air that has passed through the gap. - View Dependent Claims (18, 19, 20)
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Specification