Patent ID: 7903143

Claim:
An information handling system configured for document scanning, said information handling system comprising: a base assembly comprising an upper surface; and a lid portion hingeably coupled to said base assembly at a hinge line, said lid portion comprising a display screen and a camera oriented to face said upper surface of said base assembly when said lid portion is brought together with said base assembly around said hinge line; wherein said upper surface of said base assembly is configured to receive a document to be scanned by said camera and said display screen is configured to display an image to illuminate said document for scanning by said camera when said lid portion is brought together with said camera to face said upper surface of said base assembly at an angle θ with said document positioned therebetween such that said camera is positioned to capture an image of said document; wherein said information handling system is configured to control said display screen to produce an image that varies in brightness intensity across said display screen in a manner that at least partially compensates for differences in illumination of portions of said document by said display screen during scanning caused by varying distance of said portions of said scanned document from the light source of said display screen when said lid portion is positioned relative to said upper surface of said base assembly at said angle θ; and wherein said camera is configured to capture an image of said document while said produced image on said display screen is being displayed to illuminate said document with said lid portion positioned relative to said upper surface of said base assembly at said angle θ.