Display device, display driver, and data transfer method

1 . A display device comprising a display unit and a plurality of display drivers, wherein

each said display driver has a digital operation unit and a drive unit, and

each said digital operation unit of each said display driver has a signal determination unit for determining whether or not a destination of an input signal is the display driver which is currently receiving said input signal, based on a determination signal contained in said input signal.

2 . The display device according to claim 1 , wherein each said digital operation unit further has a synchronization unit for conducting synchronization with a clock signal or said determination signal contained in said input signal.

3 . The display device according to claim 1 , wherein said input signal contains a display data signal, and

when said determination unit determines that the destination of said input signal is the display driver which is currently receiving said input signal, the display driver concerned fetches the display data signal contained in the input signal.

4 . The display device according to claim 3 , wherein said display data signal is a coded data signal, and said digital operation unit further has a decoder unit for decoding said display data signal.

5 . The display device according to claim 1 , wherein when said determination unit determines that the destination of said input signal is the display driver which is currently receiving said input signal, the display driver concerned fetches the input signal.

6 . The display device according to claim 1 , wherein each said digital operation unit has an initialization setting unit for performing initialization setting of said display unit when an initialization signal is detected in said input signal.

7 . The display device according to claim 1 , wherein said plurality of display drivers are connected in series with each other, and said input signal is serially transferred through said plurality of display drivers.

8 . The display device according to claim 1 , wherein said plurality of display drivers are connected in parallel with each other, and said input signal is supplied to each of said plurality of display drivers.

9 . The display device according to claim 1 , wherein said input signal is a complementary signal.

10 . A display device comprising a display unit and a plurality of display drivers, wherein each said display driver has a digital operation unit and a drive unit, and each said digital operation unit analyzes a control signal contained in an input signal and controls the drive unit associated with the digital operation unit concerned, in accordance with analysis results of said control signal.

11 . The display device according to claim 10 , wherein said control signal is a determination signal, and said digital operation unit concerned determines whether or not a destination of the input signal containing said determination signal is the display driver having said digital operation unit concerned, in accordance with the analysis results of said determination signal.

12 . The display device according to claim 10 , wherein said control signal is a synchronization signal, and each said digital operation unit analyzes said synchronization signal and conducts synchronization with said synchronization signal.

13 . The display device according to claim 10 , wherein said control signal is a coded display data signal, and each said digital operation unit controls the associated drive unit in accordance with the analysis results of said display data signal.

14 . The display device according to claim 10 , wherein said control signal is an initialization signal, and each said digital operation unit conducts initialization setting of said display unit in accordance with analysis results of said initialization signal.

15 . The display device according to claim 10 , wherein said plurality of display drivers are connected in series with each other, and said input signal is serially transferred through said plurality of display drivers.

16 . The display device according to claim 10 , wherein said plurality of display drivers are connected in parallel with each other, and said input signal is supplied to each of said plurality of display drivers.

17 . The display device according to claim 10 , wherein said input signal is a complementary signal.

18 . A display driver comprising a digital operation unit and a drive unit for driving a display panel with said drive unit in accordance with an input signal, wherein said digital operation unit has a signal determination unit for determining whether or not a destination of said input signal is said display driver based on a determination signal contained in said input signal.

19 . A display driver comprising a digital operation unit and a drive unit for driving a display panel with said drive unit in accordance with an input signal, wherein said digital operation unit analyzes a control signal contained in the input signal, and controls the drive unit based on analysis results of the control signal.

20 . A data transfer method for transferring data to a semiconductor device, said semiconductor device including a digital operation unit and a drive unit, said data transfer method comprising:

supplying to said digital operation unit an input signal containing a determination signal used for determining whether or not a destination of said input signal is said semiconductor device; and

introducing a signal generated from said digital operation unit into said drive unit.

21 . The data transfer method according to claim 20 , wherein the input signal supplied to said digital operation unit is a complementary signal.

22 . The data transfer method according to claim 20 , wherein there is provided a plurality of said semiconductor devices which are connected in series with each other, and said input signal is serially transferred through said plurality of semiconductor devices.

23 . A data transfer method for transferring data to a semiconductor device for driving a display panel with a drive unit based on an input signal, said semiconductor device having a digital operation unit and said drive unit, said data transfer method comprising:

supplying to said digital operation unit said input signal containing a determination signal used for determining whether or not a destination of said input signal is said semiconductor device; and

supplying display data to be displayed on said display panel into said digital operation unit.

24 . The data transfer method according to claim 23 , further comprising supplying to said digital operation unit a fetch timing signal specifying a timing for said digital operation unit to fetch said display data.

25 . The data transfer method according to claim 23 , wherein the input signal introduced into said digital operation unit is a complementary signal.

26 . The data transfer method according to claim 23 , wherein there is provided a plurality of said semiconductor devices which are connected in series with each other, and said input signal is serially transferred through said plurality of semiconductor devices.