Patent ID: 8589906

Claim:
A software update method comprising: providing a computer device including a display card and a first memory, with the display card controlled by a driver program containing a public application programming interface (API) function; providing a display device including a microcontroller, a second memory and a screen; storing a first software program by the first memory of the computer device, with the first software program configured to run solely on the display device; electrically coupling the computer device to the display device; controlling the display card of the computer device by the API function of the driver program of the display card; transferring the first software program stored in the first memory to the display device through a display data channel (DDC); and receiving the first software program by the display device, running the first software program solely in the display device and updating a second software program stored in the second memory of the display device into the first software program by the microcontroller of the display device, with the second software program configured to run solely in the display device.