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US 6,320,325 B1Granted
Emissive display with luminance feedback from a representative pixel
AssigneeEastman Kodak Company
InventorsRonald S. Cok, Mark V. Hettel
Life of this patent
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Abstract
A digital image display device, having a substrate; a light emitting display formed on the substrate, the display having an array of light emitting pixels; a representative light emitting pixel formed on the substrate; a photosensor located on the display device and optically coupled to the representative light emitting pixel; and a feedback control circuit connected to the photosensor for modifying the light emitting display.
Claims20
A digital image display device, comprising:
- a) a substrate;
- b) a light emitting display formed on the substrate, the display having an array of light emitting pixels;
- c) a representative light emitting pixel formed on the substrate;
- d) a photosensor located on the display device and optically coupled to the representative light emitting pixel to produce a feedback signal;
- and
- e) a feedback control circuit connected to the photosensor and responsive to the feedback signal for modifying control signals for operating the light emitting display.
3 more elements
Dependencies are inferred from the claim text.