| Patent Number |
Title Of Patent |
Date Issued |
| 7372199 |
Light emitting device and image playback device having triplet and singlet compounds in electrol |
May 13, 2008 |
| The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL layers contain triplet |
| 7342251 |
Method of manufacturing an electro-optical device |
March 11, 2008 |
| An object of the invention is to reduce the manufacturing cost of EL display devices and electronic devices incorporating the EL display devices. An EL material is formed by printing in an active matrix EL display device. Relief printing or screen printing may be used as the method o |
| 7317282 |
Self light-emitting device |
January 8, 2008 |
| To provide a method of improving an efficiency for extracting light in a self light-emitting device using an organic EL material. In the self light-emitting device having a structure in which an EL layer (102) is sandwiched between a transparent electrode (103) and a cathode (101), a |
| 7279752 |
Display device using electroluminescence material |
October 9, 2007 |
| There is provided an electronic device having high reliability and high color reproducibility. A pixel structure is made such that a switching FET (201) and an electric current controlling FET (202) are formed on a single crystal semiconductor substrate (11), and an EL element (203) is |
| 7222981 |
EL display device and electronic device |
May 29, 2007 |
| A cover member is adhered onto a substrate on which an EL element is formed with a filler as an adhesive. Further, a sealing member is provided so as to cover a side surface (an exposing surface) of the filler, and a frame member is adhered using the sealing member. With this structu |
| 7208765 |
Electronic device |
April 24, 2007 |
| To provide an electronic device capable of bright image display. A pixel is structured such that a switching TFT and a current controlling TFT are formed on a substrate and an EL element is electrically connected to the current controlling TFT. A gate capacitor formed between a gate elec |
| 7205019 |
EL display device and a method of manufacturing the same |
April 17, 2007 |
| To provide an inexpensive EL display device of high definition. An anode, a light emitting layer, and a cathode are formed on a substrate, and selective doping using at least one selected from the group consisting of an alkali metal element, an alkaline earth metal element and a halogen |
| 7199519 |
Electrical equipment having light-emitting device with triplet and singlet compounds in the ligh |
April 3, 2007 |
| The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL layers contain triplet |
| 7112374 |
EL display device utilizing light-emitting organic compounds and method for forming the same |
September 26, 2006 |
| By repeating a purification process of a light-emitting organic compound several times, a thin film made of the light-emitting organic compound to be used in an EL display device contains ionic impurities at the concentration of 0.1 ppm or lower and has a volume resistivity in the ra |
| 7045438 |
Light emitting device, semiconductor device, and method of fabricating the devices |
May 16, 2006 |
| A semiconductor device in which degradation due to permeation of water and oxygen can be limited, e.g., a light emitting device having an organic light emitting device (OLED) formed on a plastic substrate, and a liquid crystal display using a plastic substrate. A layer to be debonded, |
| 7042151 |
Electrical equipment having light-emitting device with triplet and singlet compounds in the ligh |
May 9, 2006 |
| The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL layers contain triplet |
| 6965195 |
EL display device and electronic device |
November 15, 2005 |
| A cover member is adhered onto a substrate on which an EL element is formed with a filler as an adhesive. Further, a sealing member is provided so as to cover a side surface (an exposing surface) of the filler, and a frame member is adhered using the sealing member. With this structure, |
| 6958251 |
Active matrix display device using a printing method |
October 25, 2005 |
| An object of the invention is to reduce the manufacturing cost of EL display devices and electronic devices incorporating the EL display devices.An EL material is formed by printing in an active matrix EL display device. Relief printing or screen printing may be used as the method of pri |
| 6894312 |
EL display device |
May 17, 2005 |
| Plurality of pixels (102) are arranged on the substrate. Each of the pixels (102) is provided with an EL element which utilizes as a cathode a pixel electrode (105) connected to a current control TFT (104). On a counter substrate (110), a light shielding film (112) is disposed at the pos |
| 6872672 |
Method of manufacturing an electro-optical device |
March 29, 2005 |
| An object of the invention is reducing a manufacturing cost of an EL display device and an electronic device equipped therewith. In an active matrix type EL display device, an EL material for a pixel portion is formed by coating steps using a dispenser device. As a discharge port of |
| 6864628 |
Light emitting device comprising light-emitting layer having triplet compound and light-emitting |
March 8, 2005 |
| The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL layers contain triplet |
| 6847163 |
Self light-emitting device using an inert gas |
January 25, 2005 |
| To provide a method of improving an efficiency for extracting light in a self light-emitting device using an organic EL material. In the self light-emitting device having a structure in which an EL layer (102) is sandwiched between a transparent electrode (103) and a catrode (101), a |
| 6809343 |
Electro luminescence display device |
October 26, 2004 |
| There is provided an electronic device having high reliability and high color reproducibility. A pixel structure is made such that a switching FET (201) and an electric current controlling FET (202) are formed on a single crystal semiconductor substrate (11), and an EL element (203) is |
| 6803246 |
Light emitting device and method of manufacturing the same |
October 12, 2004 |
| Two aspects, an impurity factor and a structural factor are assumed as the deterioration causes of an organic light emitting device and means for solving the respective factors are provided. In order to prevent deterioration of the light emitting device, concentrations of moisture and |
| 6670637 |
Electronic device |
December 30, 2003 |
| To provide an electronic device capable of bright image display. A pixel is structured such that a switching TFT and a current controlling TFT are formed on a substrate and an EL element is electrically connected to the current controlling TFT. A gate capacitor formed between a gate elec |
| 6646284 |
Light emitting device and method of manufacturing the same |
November 11, 2003 |
| Two aspects, an impurity factor and a structural factor are assumed as the deterioration causes of an organic light emitting device and means for solving the respective factors are provided. In order to prevent deterioration of the light emitting device, concentrations of moisture and |
| 6641933 |
Light-emitting EL display device |
November 4, 2003 |
| By repeating a purification process of a light-emitting organic compound several times, a thin film made of the light-emitting organic compound to be used in an EL display device contains ionic impurities at the concentration of 0.1 ppm or lower and has a volume resistivity in the ra |
| 6620528 |
EL display device and a method of manufacturing the same |
September 16, 2003 |
| To provide an inexpensive EL display device of high definition. An anode, a light emitting layer, and a cathode are formed on a substrate, and selective doping using at least one selected from the group consisting of an alkali metal element, an alkaline earth metal element and a halogen |
| 6580094 |
Electro luminescence display device |
June 17, 2003 |
| There is provided an electronic device having high reliability and high color reproducibility. A pixel structure is made such that a switching FET (201) and an electric current controlling FET (202) are formed on a single crystal semiconductor substrate (11), and an EL element (203) is |
| 6445005 |
EL display device |
September 3, 2002 |
| Plurality of pixels (102) are arranged on the substrate. Each of the pixels (102) is provided with an EL element which utilizes as a cathode a pixel electrode (105) connected to a current control TFT (104). On a counter substrate (110), a light shielding film (112) is disposed at the pos |
| 6440877 |
Method of manufacturing an electro-optical device |
August 27, 2002 |
| An object of the invention is reducing a manufacturing cost of an EL display device and an electronic device equipped therewith. In an active matrix type EL display device, an EL material for a pixel portion is formed by coating steps using a dispenser device. As a discharge port of |
| 6420200 |
Method of manufacturing an electro-optical device |
July 16, 2002 |
| An object of the invention is to reduce the manufacturing cost of EL display devices and electronic devices incorporating the EL display devices.An EL material is formed by printing in an active matrix EL display device. Relief printing or screen printing may be used as the method of pri |
| 6384427 |
Electronic device |
May 7, 2002 |
| To provide an electronic device capable of bright image display. A pixel is structured such that a switching TFT and a current controlling TFT are formed on a substrate and an EL element is electrically connected to the current controlling TFT. A gate capacitor formed between a gate elec |
