Patent ID: 6909434
Filing Date: 2005-06-21
Classification: G09G

Abstract:
1. A method for updating an integrated display frame buffer of a display module in a mobile electronic device, said device comprising a local frame buffer and a processor, comprising the steps of: transferring display information to said local frame buffer, updating said display frame buffer by transferring said display information from said local frame buffer to said display frame buffer, wherein said updating of said display frame buffer comprises the steps of: detecting changes of said display information stored in said local frame buffer, determining if the change in the display information is caused by display server software running on said processor, selectively updating said display frame buffer, if the change of said display information is caused by said display server software; determining if the change in the display information is caused by an application software accessing said local frame buffer other than said display server software; and continuously updating said display frame buffer only if the change of the display information is caused by said application software, the continuous updating terminating when said application software no longer accesses said local frame buffer.