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US 12,542,101 B2Granted
Wearable OLED illumination device
AssigneeUniversal Display Corporation
InventorsMichael Hack, Michael Stuart Weaver, Julia J. Brown
Life of this patent
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Abstract
Embodiments of the disclosed subject matter may provide a wearable device that includes an organic light emitting diode (OLED) light source to output light. At least one emissive layer of the OLED light source of the wearable device may have a plurality of segments that are independently controllable to output the light at a duty cycle of less than 100%. The OLED light source of the wearable device may be encapsulated.
Claims20
A wearable device comprising:
- an organic light emitting diode (OLED) light source to output light at 0-250 mW/cm2, such that when the OLED is operating at a maximum output, a temperature rise of the wearable device is less than 25° C.,
- wherein at least one emissive layer of the OLED light source has a plurality of segments that are controllable to output the light,
- wherein the plurality of segments has the same emissive layer of the OLED light source, and
- wherein the OLED light source is encapsulated.
1 more element
A wearable device comprising:
- an organic light emitting diode (OLED) light source to output light at 0-250 mW/cm2, such that when the OLED is operating at a maximum output, a temperature rise of the wearable device is less than 25° C., wherein at least one emissive layer of the OLED light source has a plurality of segments that are controllable to output the light,
- wherein the plurality of segments has different emissive layers of the OLED light source, and
- wherein the OLED light source is encapsulated.
Dependencies are inferred from the claim text.