LIGHTING DEVICES
First Claim
Patent Images
1. A device, comprising:
- a light emitting assembly comprising at least one light panel comprising one or more phosphorescent organic light emitting devices, the at least one light panel having a peak luminance less than 5,000 cd/m2, an efficiency of greater than 30 lm/W, and a maximum surface temperature during illumination in ambient conditions of no greater than 40°
C., at least a portion of the light emitting assembly being touch sensitive to provide control of the device.
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Abstract
A device includes a light emitting assembly including at least one light panel including one or more phosphorescent organic light emitting devices. The device may, for example, be a personal lighting device. The at least one light panel has a peak luminance less than 5,000 cd/m2, an efficiency of greater than 30 lm/W, and a maximum surface temperature during illumination in ambient conditions of no greater than 40° C., At least a portion of the light emitting assembly is touch sensitive to provide control of the device.
25 Citations
30 Claims
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1. A device, comprising:
a light emitting assembly comprising at least one light panel comprising one or more phosphorescent organic light emitting devices, the at least one light panel having a peak luminance less than 5,000 cd/m2, an efficiency of greater than 30 lm/W, and a maximum surface temperature during illumination in ambient conditions of no greater than 40°
C., at least a portion of the light emitting assembly being touch sensitive to provide control of the device.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of providing personal lighting, comprising:
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providing a device comprising a light emitting assembly comprising at least one light panel comprising one or more phosphorescent organic light emitting devices, the at least one light panel having a peak luminance less than 5,000 cd/m2, an efficiency of greater than 30 lm/W, and a maximum surface temperature during illumination in ambient conditions of no greater than 40°
C.; andproviding a touch sensitive surface on the light emitting assembly to provide control of the device. - View Dependent Claims (24, 25, 26, 27)
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28. A method of fabricating a device comprising a light emitting assembly, comprising:
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forming at least one light panel comprising disposing a plurality of phosphorescent organic light emitting devices upon a substrate, the at least one light panel having a peak luminance less than 5,000 cd/m2, an efficiency of greater than 30 lm/W, and a maximum surface temperature during illumination in ambient conditions of no greater than 40°
C.;assembling the at least one light panel into the light emitting assembly of the device, and providing a touch sensitive surface on the light emitting assembly to provide control of the device. - View Dependent Claims (29, 30)
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Specification