Hewlett-packard Development Company, L.P.

Bob Myers

John W Frederick

Ed Beeman

A color accurate display device is configured to receive an encoded first color space having a first gamut from a set of encoded primaries {R, G, B} and a first white point. The device includes a display panel having an active area configured for an encoded second color space having a second white point and a set of native primaries each with a characterized tone response with respect to the second color space and a measured tone response from the display panel, the primaries having a second gamut larger than and including the first gamut. Also included is a color space conversion circuit configured to convert the set of encoded primaries {R, G, B} and first white point of the first color space to the set of native primaries and second white point compensating for each characterized tone response of the second color space.

Accurate color display device

Embodiments of the present invention enable stylus input on a display device coupled to a processor. According to one embodiment, a stylus control unit detects the presence of a stylus within a display area of a display device and then displays a pair of frames including luminescent images on the display device. Furthermore, luminescent measurement data is transmitted from the stylus to the stylus control unit, and stylus position information is sent to a computer processor based on the received luminescent measurement data.

Growing community of inventors

Loveland, CO, United States of America

Bob Myers