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Nozawa Takeshi, Kitazawa Sachiyuki: Active matrix substrate, electro-optical device, inspection method and method for manufacturing electro-optical device. Seiko Epson, May 1, 2008: JP2008-102335 (52 worldwide citation)

PROBLEM TO BE SOLVED: To provide an active matrix substrate capable of reducing alignment time for inspection and minimizing waste of products judged as defective by inspection.SOLUTION: The active matrix substrate 20 includes mounting terminals 26 connected to a plurality of scanning lines WL and a ...


2
Kitazawa Sachiyuki, Kanda Eiji: Unit circuit, electro-optical device and electronic apparatus. Seiko Epson, December 6, 2007: JP2007-316462 (9 worldwide citation)

PROBLEM TO BE SOLVED: To prevent crosstalk from data lines in a unit circuit, an electro-optical device and an electronic apparatus equipped with an electro-optical element.SOLUTION: The unit circuit U includes: a first capacitive element C1 disposed between a power supply line 19 and a node Z1; a s ...


3
Kitazawa Sachiyuki: Electrooptical device and electronic equipment. Seiko Epson, July 13, 2006: JP2006-184384 (6 worldwide citation)

PROBLEM TO BE SOLVED: To simultaneously achieve reduction of unevenness of luminance, enhancement of an aperture ratio, and reduction of flickers in an electrooptical device such as an organic EL device.SOLUTION: A pixel circuit 70G has hold capacitances 10 and 20 and, with these two capacitances, c ...


4
Kitazawa Sachiyuki: Light emitting device, image forming apparatus, and display device. Seiko Epson, March 9, 2006: JP2006-066871 (6 worldwide citation)

PROBLEM TO BE SOLVED: To provide a light emitting device capable of reducing stray capacitance, preventing reduction in luminance, and reducing power consumption, an image forming apparatus using the same, and a display device.SOLUTION: An OLED device 64 comprises an anode 641 and a cathode 645 and ...


5
Kitazawa Sachiyuki: Active matrix type light emitting device, electronic equipment and method of driving pixel of active matrix type light emitting device. Seiko Epson, February 21, 2008: JP2008-040326 (5 worldwide citation)

PROBLEM TO BE SOLVED: To effectively suppress a decrease in contrast of an active matrix type light emitting device during black display without making the circuit constitution complex.SOLUTION: A scanning line driver (200) has its current driving capability set lower as to a scanning line (W2) for ...


6
Kitazawa Sachiyuki: Printer head and image forming apparatus equipped with this, and driving circuit for printer head. Seiko Epson, April 13, 2006: JP2006-095787 (3 worldwide citation)

PROBLEM TO BE SOLVED: To suppress delay of a signal by decreasing wiring volume in relation to a printer head, an image forming apparatus equipped with this, and a driving circuit for the printer head.SOLUTION: A clock controlling circuit 21 is respectively electrically connected in parallel to a cl ...


7
Kitazawa Sachiyuki: Video display device. Seiko Epson, November 28, 2003: JP2003-337580 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a video display device being useful for displaying pictures so that it can be easily viewed in accordance with ambient brightness.SOLUTION: In the video signal conversion circuit 110 of this video display device, a video signal to be inputted as an analog signal is c ...


8
Kitazawa Sachiyuki: Electro-optical device and electronic equipment. Seiko Epson, April 3, 2008: JP2008-077859 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electro-optical device that improves heat dissipation from a panel board, and to provide electronic equipment equipped with the electro-optical device.SOLUTION: Black matrix BM on a color filter 3 is provided with dispersed infrared absorptive materials that absor ...


9
Kitazawa Sachiyuki: Power switching circuit, electro-optical device and meter display having power switch. Seiko Epson, March 12, 2009: JP2009-055549 (2 worldwide citation)

PROBLEM TO BE SOLVED: To continue supplying power to a load, and also minimize failure effect, when a short circuit failure is caused in a high side switch.SOLUTION: A power switching circuit having the high side switch where MOS transistor M1 is employed and a driving transistor M2 for switching th ...


10
Kitazawa Sachiyuki: Electro-optical device, manufacturing method therefor, and electronic equipment. Seiko Epson, April 3, 2008: JP2008-077860 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electro-optical device that does not require work of high precision alignment between a color filter and a sealing board, and a provide a method for manufacturing the electro-optical device, and electronic equipment therefor.SOLUTION: In the positions correspondin ...