1
Satoshi Seo, Shunpei Yamazaki: Display device and method for manufacturing thereof. Semiconductor Energy Laboratory, Cook Alex McFarron Manzo Cummings & Mehler, April 3, 2007: US07199516 (82 worldwide citation)

It is a problem to provide an electric apparatus less in consumption power and long in life by the manufacture using the display device. An insulating bank 103a is provided in a form surrounding the pixel portions 110a on first electrodes 102a over a substrate. The entire surface is applied, by a we ...


2
Satoshi Seo, Shunpei Yamazaki: Luminescent device. Semiconductor Energy Laboratory, Fish & Richardson P C, August 11, 2009: US07572522 (64 worldwide citation)

Interfaces between layers in a light emitting element are eliminated by using a light emitting element with a mixed region including a hole transporting material and an electron transporting material The light emitting element may further comprise a region with a dopant. By using this light emitting ...


3
Tetsuo Tsutsui, Hiroko Yamazaki, Satoshi Seo: Organic semiconductor element. Semiconductor Energy Laboratory, Cook Alex, September 2, 2008: US07420203 (59 worldwide citation)

By introducing new concepts into a structure of a conventional organic semiconductor element and without using a conventional ultra thin film, an organic semiconductor element is provided which is more reliable and has higher yield. Further, efficiency is improved particularly in a photoelectronic d ...


4
Takeshi Nishi, Satoshi Seo: Light emitting device. Semiconductor Energy Laboratory, Cook Alex McFarron Manzo Cummings & Mehler, November 28, 2006: US07141817 (58 worldwide citation)

By doping an organic compound functioning as an electron donor (hereinafter referred to as donor molecules) into an organic compound layer contacting a cathode, donor levels can be formed between respective LUMO (lowest unoccupied molecular orbital) levels between the cathode and the organic compoun ...


5
Daisuke Kumaki, Satoshi Seo: Light-emitting element having hole generating layer. Semiconductor Energy Laboratory, Eric J Robinson, Robinson Intellectual Property Law Office P C, December 9, 2008: US07462883 (57 worldwide citation)

The present invention provides a light-emitting element having a structure in which the drive voltage is comparatively low and a light-emitting element in which the increase in the drive voltage over time is small. Further, the present invention provides a display device in which the drive voltage a ...


6
Shunpei Yamazaki, Satoshi Seo: Light emitting device driving by alternating current in which light emission is always obtained. Semiconductor Energy Laboratory, Eric J Robinson, Robinson Intellectual Property Law Office P C, April 5, 2005: US06876007 (56 worldwide citation)

A light emitting device is provided, which uses alternating current drive as a method of driving the light emitting device, and in which light emission is always obtained when voltages having different polarities are alternately applied, and a method of manufacturing the light emitting device is als ...


7
Satoshi Seo, Shunpei Yamazaki: Light emitting device. Semiconductor Energy Laboratory, Cook Alex McFarron Manzo Cummings & Mehler, December 3, 2002: US06489638 (56 worldwide citation)

There is provided a light emitting device which emits bright light, has low power consumption, and is inexpensive. An organic compound (polynuclear complex) with a molecular structure which is apt to generate a spin-orbit interaction is used for a light emitting layer or a dopant pigment of an EL el ...


8
Satoshi Seo, Shunpei Yamazaki: Light emitting device. Semiconductor Energy Laboratory, Fish & Richardson P C, March 27, 2007: US07196360 (53 worldwide citation)

A light emitting device and electronic equipment having a long life at a low electric power consumption are provided. A hole transporting region composed of a hole transporting material, an electron transporting region composed of an electron transporting material, and a mixture region in which both ...


9
Shunpei Yamazaki, Satoshi Seo, Hideaki Kuwabara: Light emitting device. Semiconductor Energy Laboratory, Cook Alex McFarron Manzo Cummings & Mehler, July 22, 2008: US07402948 (52 worldwide citation)

Not all of light generated in the light emitting layer comprising the organic material are taken out in the desirable direction. For example, light emitted in the lateral direction (the direction parallel to the substrate face) is not taken out and therefore is a loss. An object of the present inven ...


10
Daisuke Kumaki, Satoshi Seo: Light emitting element and light emitting device using the same. Semiconductor Energy Laboratory, Eric J Robinson, Robinson Intellectual Property Law Office P C, February 22, 2011: US07893427 (52 worldwide citation)

An object of the prevent invention is to provide a light emitting element having slight increase in driving voltage with accumulation of light emitting time. Another object of the invention is to provide a light emitting element having slight increase in resistance value with increase in film thickn ...



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