1
Eitaro Nishigaki: Organic el display device having an improved image quality. NEC Corporation, Foley & Lardner, June 12, 2001: US06246180 (300 worldwide citation)

A drive unit for driving a corresponding one of organic EL elements of an active matrix EL display device includes a blanking switch for blanking the video signal stored in a storage capacitor in each frame period before the start of the next frame period. A drive transistor drives a corresponding E ...


2
Miyashita Satoru, Kiguchi Hiroshi, Shimoda Tatsuya, Kanbe Sadao: Method of producing organic el elements, organic el elements and organic el display device. Seiko Epson, November 25, 1998: EP0880303-A1 (216 worldwide citation)

A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (801), (802), (803) on a transparent substrate (804) and forming on the pixel electrodes by patterning luminescent layers (806), (807), (808) made of an organic compound ...


3
Mutsumi Kimura, Tomoyuki Itoh: Current-driven light-emitting display apparatus and method of producing the same. Seiko Epson Corporation, Oliff & Berridge, October 8, 2002: US06462722 (153 worldwide citation)

An organic EL display device driven by thin-film transistors is disclosed, wherein for suppressing the deterioration with time of thin-film transistors, at least one of the thin-film transistors, or a second thin-film transistor is formed of a p-channel type thin-film transistor. The p-channel type ...


4
Yukio Yamauchi, Michio Arai: Thin film transistor, organic electroluminescence display device and manufacturing method of the same. TDK Corporation, Semiconductor Energy Laboratory, June 17, 1997: US05640067 (151 worldwide citation)

An organic EL display device has a substrate, a plurality of organic EL elements formed on the substrate and a plurality of thin film transistors formed on the substrate. The transistors are connected to the respective EL elements for controlling current applied to the respective elements. Each of t ...


5
Osamu Onitsuka, Akira Ebisawa, Mitsunari Suzuki, Hiroshi Yamamoto, Michio Arai: Organic electroluminescent display device, and method and system for making the same. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, April 11, 2000: US06049167 (142 worldwide citation)

In an organic EL display device, an organic EL multilayer structure is disposed in a gastight space defined between a substrate and a shield member and filled with an inert gas. The organic EL multilayer structure includes organic materials having a Tg of at most 140.degree. C. The shield member is ...


6
Mitsufumi Codama, Masaru Tanaka: Organic electroluminescence display device and producing method thereof. TDK Corporation, Armstrong Westerman Hattori McLeland and Naughton, March 14, 2000: US06037712 (141 worldwide citation)

In manufacturing of an organic electroluminescence (EL) display device, after first electrodes are formed on a substrate, insulating films are formed on the first electrodes except regions corresponding to light emitting portions. Spacers are formed on the insulating films, and overhanging portions ...


7
Kwon Oh Kyong: Luminescence display device and method for driving display panel of the display device. Samsung SDI, January 29, 2004: JP2004-029791 (141 worldwide citation)

PROBLEM TO BE SOLVED: To provide a luminescence display device capable of compensating the threshold voltage and movement of transistors and sufficiently charging a data line.SOLUTION: A driving transistor for outputting a current for driving an organic electroluminescence (EL) element is formed in ...


8
Kenichi Shibata, Yuji Hamada: Organic electrominiscent display device. Sanyo Electric, Arent Fox Kitner Plotkin & Kahn PLLC, November 14, 2000: US06147451 (134 worldwide citation)

The present invention has an object to produce a pixel array comprising an organic EL device and a peripheral driving circuit on the same substrate, to facilitate the fabrication of an organic EL display device and miniaturize the display device.


9
Hiroshi Tanabe, Hiroshi Yamamoto, Kengo Fukuyu, Osamu Onitsuka: System and process for fabricating an organic electroluminescent display device. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, October 17, 2000: US06132280 (110 worldwide citation)

The invention provides an organic EL display device fabrication system comprising a loading side normal-pressure delivery chamber 11 including a first substrate delivery means 61 for delivering a substrate with no film formed thereon, and a loading chamber 21 connected thereto for introducing the su ...


10
Hiroshi Yaguma, Masato Kobayashi: Organic EL drive circuit and organic EL display device using the same organic EL drive circuit. Rohm, Mattingly Stanger Malur & Brundidge P C, April 7, 2009: US07515124 (104 worldwide citation)

An amplifier circuit for generating a predetermined constant voltage required for resetting organic EL elements or capacitors is provided and an operating current switching circuit switches the operating current of the amplifier circuit to an idling current in a display period and to a steady operat ...