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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Azami; Munehiro
Address:
Atsugi, JP
No. of patents:
17
Patents:












Patent Number Title Of Patent Date Issued
7710375 Image display device and driving method thereof May 4, 2010
A novel driving method is provided in which source line inverting drive or dot inverting drive is performed for a case of driving a plurality of source lines by one D/A converter circuit in a source signal line driver circuit of an active matrix image display drive that corresponds to
7635883 Method for manufacturing semiconductor device December 22, 2009
A method for manufacturing a semiconductor device having steps of forming an amorphous semiconductor on a substrate having an insulating surface; patterning the amorphous semiconductor to form plural first island-like semiconductors; irradiating a linearly condensed laser beam on the plu
7550790 D/A conversion circuit and semiconductor device June 23, 2009
A D/A conversion circuit with a small area is provided. In the D/A conversion circuit, according to a digital signal transmitted from address lines of an address decoder, one of four gradation voltage lines is selected. A circuit including two N-channel TFTs is connected in series to
7355534 Serial-to-parallel conversion circuit, and semiconductor display device employing the same April 8, 2008
In a serial-to-parallel conversion (SPC) circuit for digital data which converts the digital data serially inputted, into parallel digital data, and which outputs the parallel digital data; clock signals at frequencies which are, at the highest, 1/2 of the frequency of the input digital
7202881 Color image display device, method of driving the same, and electronic equipment April 10, 2007
A gray-scale power supply line supplied to a source signal line driving circuit is made only one system, and each of D/A conversion circuits drives source signal lines in which three source signal lines corresponding to RGB are made a unit and the number of which is a multiple of 3.
7184017 D/A conversion circuit and semiconductor device February 27, 2007
A D/A conversion circuit with a small area is provided. In the D/A conversion circuit, according to a digital signal transmitted from address lines of an address decoder, one of four gradation voltage lines is selected. A circuit including two N-channel TFTs is connected in series to
7129121 Method for manufacturing semiconductor device October 31, 2006
A method for manufacturing a semiconductor device having steps of forming an amorphous semiconductor on a substrate having an insulating surface; patterning the amorphous semiconductor to form plural first island-like semiconductors; irradiating a linearly condensed laser beam on the plu
7123227 Image display device and driving method thereof October 17, 2006
A novel driving method is provided in which source line inverting drive or dot inverting drive is performed for a case of driving a plurality of source lines by one D/A converter circuit in a source signal line driver circuit of an active matrix image display drive that corresponds to
7053918 Color image display device, method of driving the same, and electronic equipment May 30, 2006
A gray-scale power supply line supplied to a source signal line driving circuit is made only one system, and each of D/A conversion circuits drives source signal lines in which three source signal lines corresponding to RGB are made a unit and the number of which is a multiple of 3.
7049983 Serial-to-parallel conversion circuit, and semiconductor display device employing the same May 23, 2006
In a serial-to-parallel conversion (SPC) circuit for digital data which converts the digital data serially inputted, into parallel digital data, and which outputs the parallel digital data; clock signals at frequencies which are, at the highest, 1/2 of the frequency of the input digital
6911926 D/A conversion circuit and semiconductor device June 28, 2005
A D/A conversion circuit with a small area is provided. In the D/A conversion circuit, according to a digital signal transmitted from address lines of an address decoder, one of four gradation voltage lines is selected. A circuit including two N-channel TFTs is connected in series to
6911358 Method for manufacturing semiconductor device June 28, 2005
A method for manufacturing a semiconductor device having steps of forming an amorphous semiconductor on a substrate having an insulating surface; patterning the amorphous semiconductor to form plural first island-like semiconductors; irradiating a linearly condensed laser beam on the plu
6750835 Image display device and driving method thereof June 15, 2004
A novel driving method is provided in which source line inverting drive or dot inverting drive is performed for a case of driving a plurality of source lines by one D/A converter circuit in a source signal line driver circuit of an active matrix image display drive that corresponds to
6750792 Serial-to-parallel conversion circuit, and semiconductor display device employing the same June 15, 2004
In a serial-to-parallel conversion (SPC) circuit for digital data which converts the digital data serially inputted, into parallel digital data, and which outputs the parallel digital data; clock signals at frequencies which are, at the highest, 1/2 of the frequency of the input digital
6738005 D/A conversion circuit and semiconductor device May 18, 2004
A D/A conversion circuit with a small area is provided. In the D/A conversion circuit, according to a digital signal transmitted from address lines of an address decoder, one of four gradation voltage lines is selected. A circuit including two N-channel TFTs is connected in series to
6702407 Color image display device, method of driving the same, and electronic equipment March 9, 2004
A gray-scale power supply line supplied to a source signal line driving circuit is made only one system, and each of D/A conversion circuits drives source signal lines in which three source signal lines corresponding to RGB are made a unit and the number of which is a multiple of 3.
6606045 Digital analog converter and electronic device using the same August 12, 2003
The present invention relates to a D/A converter circuit which is capable of independently controlling the output voltage amplitude V.sub.OUT and the reference voltage. The D/A converter circuit converts "n" bit digital data ("n": natural number) to analog signals, wherein the respective










 
 
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