1
Inukai Kazutaka, Osame Mitsuaki, Iwabuchi Tomoyuki: Method of driving el display device. Semiconductor Energy Lab, March 6, 2002: EP1184833-A2 (57 worldwide citation)

A method of driving an EL display device in which pseudo contours are difficult to be seen is provided. A method of driving an EL display device in which a plurality of pixels, each having a first TFT, a second TFT, a third TFT, and an organic EL element. are formed has the following: n + m display ...


2
Osame Mitsuaki, Anzai Aya, Koyama Jun, Udagawa Makoto, Hayakawa Masahiko, Yamazaki Shunpei: Light emitting device and electronic equipment. Semiconductor Energy Lab, October 15, 2003: JP2003-295793 (31 worldwide citation)

PROBLEM TO BE SOLVED: To provide a light emitting device in which a variation in characteristics of TFTs hardly affect picture quality and a high aperture ratio realized is attained.SOLUTION: This light emitting device is not provided with a large Cs part in a pixel part, channel length and channel ...


3
Yamazaki Shunpei, Koyama Jun, Osame Mitsuaki, Osada Mai: Display device. Semiconductor Energy Lab, November 22, 2002: JP2002-333861 (25 worldwide citation)

PROBLEM TO BE SOLVED: To suppress power consumption of a light-emission device.SOLUTION: Power consumption of this display device is suppressed, while preventing a current flowing into a light-emitting element from being increased according to the rising of temperature either by inverting the light ...


4
Yamazaki Shunpei, Koyama Jun, Osame Mitsuaki, Osada Mai: Organic electroluminescent display device. Semiconductor Energy Lab, October 24, 2001: EP1148466-A2 (24 worldwide citation)

The present invention is intended to suppress power consumption of an EL display. In accordance with the brightness of an image to be displayed in a pixel portion, the contrast of the image is determined whether to be inverted or not, and the number of bits of the digital video signal to be input in ...


5
Osame Mitsuaki, Anzai Aya, Yamazaki Syunpei: (Ja) 表示装置および電子機器, (En) Display and electronic device. Semiconductor Energy Laboratory, July 22, 2004: WO/2004/061806 (23 worldwide citation)

(EN) A small-volume module produced by inserting a dual-sided panel (a panel capable of dual-sided displaying) into a display or mobile information terminal. A display of the invention comprising a display screen, interconnected first and second cases, and a dual-sided panel having display screens o ...


6
Inukai Kazutaka, Osame Mitsuaki, Iwabuchi Tomoyuki: Method for driving el display. Semiconductor Energy Lab, May 24, 2002: JP2002-149113 (19 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for driving an electroluminescent(EL) display which makes false contours hardly visible.SOLUTION: A method is presented for driving the EL display having a plurality of pixels each of which has a first thin film transistor(TFT), a second TFT, a third TFT and ...


7
Yamazaki Shunpei, Koyama Jun, Inukai Kazutaka, Osame Mitsuaki: Display device and electronic equipment. Semiconductor Energy Lab, May 24, 2002: JP2002-151276 (19 worldwide citation)

PROBLEM TO BE SOLVED: To provide a display device with a good balance between colors of EL elements and a good balance in emission intensity, which is capable of displaying brightly-hued images.SOLUTION: The greater current the pixel needs to be passed in the EL element, the greater the width of pul ...


8
Yamazaki Shunpei, Murakami Tomohito, Osame Mitsuaki: Light emitting device and manufacturing method thereof. Semiconductor Energy Lab, February 12, 2004: JP2004-047446 (18 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for manufacturing an active matrix type light emitting device along with its structure of high reliability (long life), related to a light emitting element comprising organic compound.SOLUTION: After a contact hole reaching a source region or drain regions 1 ...


9
Anzai Aya, Osame Mitsuaki, Tanada Yoshifumi, Miyagawa Keisuke, Seo Tetsushi, Yamazaki Shunpei: Light emitting device and its driving method. Semiconductor Energy Lab, November 14, 2003: JP2003-323159 (18 worldwide citation)

PROBLEM TO BE SOLVED: To improve the reliability of EL elements while suppressing increase in electric power consumption.SOLUTION: Reliability is improved by applying a reverse direction bias to an EL element being driven by a constant current in an SES driving. The application of the reverse direct ...


10
Koyama Jun, Osame Mitsuaki, Ogata Yasushi: Signal dividing circuit and semiconductor device. Semiconductor Energy Lab, June 9, 1999: EP0921517-A2 (16 worldwide citation)

To provide a constitution capable of reducing production cost in a semiconductor device for display of a type integrally formed with a drive circuit with a digital signal as an input signal and a pixel matrix unit, a signal dividing circuit is formed on a substrate where drive circuits and a pixel m ...