Patent application number | Description | Published |
20080203898 | DISPLAY DEVICE - A display device includes a substrate, a plurality of light-emitting elements formed on the substrate, and a reflective layer disposed between the substrate and the light-emitting elements and reflecting the light emitted from the light-emitting elements. The light-emitting elements each include a transparent layer that is in contact with the reflective layer, a light-emitting layer disposed on the upper surface of the transparent layer, and an electrode layer with transparency disposed on a side of the light-emitting layer opposite the side on which the reflective layer lies. The distance between the reflective layer and the electrode layer in each of the light-emitting elements is set such that a light component of a specific color in the light emitted from the corresponding light-emitting layer is enhanced by interference and emitted from the electrode layer. The light-emitting elements include at least first light-emitting elements and second light-emitting elements in which blue and red light components in the light emitted from the light-emitting layers are simultaneously enhanced and emitted from the electrode layers. | 08-28-2008 |
20080218070 | LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A light-emitting device includes a plurality of pixels constituting a screen, each of the plurality of pixels including four subpixels, which are a red subpixel, a green subpixel, a blue subpixel, and a white subpixel. The red subpixel has a light-emitting layer formed of a red-light-emitting material that emits red light and extending along the screen, and a color filter provided above the light-emitting layer to transmit red light. The green subpixel has a light-emitting layer formed of a white-light-emitting material that emits white light and extending along the screen, and a color filter provided above the light-emitting layer to transmit green light. The blue subpixel has a light-emitting layer formed of a blue-light-emitting material that emits blue light and extending along the screen, and a color filter provided above the light-emitting layer to transmit blue light. The white subpixel has a light-emitting layer formed of the white-light-emitting material and extending along the screen. | 09-11-2008 |
20080218071 | Light-Emitting Device, Method for Manufacturing the Same, and Electronic Apparatus - A light-emitting device includes a plurality of pixels constituting a screen, each of the pixels including four subpixels, which are a red subpixel, a green subpixel, a blue subpixel, and a remaining subpixel. The red subpixel has a light-emitting layer made of a white-light-emitting material and extending along the screen, and a color filter provided above the light-emitting layer to transmit red light, the white-light-emitting material emitting two-peak white light having an emission spectrum including a valley between a red peak residing in a wavelength range of red light and a blue peak residing in a wavelength range of blue light. The blue subpixel has a light-emitting layer made of the white-light-emitting material and extending along the screen, and a color filter provided above the light-emitting layer to transmit blue light. The remaining subpixel has a light-emitting layer made of the white-light-emitting material and extending along the screen. The green subpixel has a light-emitting layer made of a green-light-emitting material that emits green light and extending along the screen, and a color filter provided above the light-emitting layer to transmit green light. | 09-11-2008 |
20090051275 | LIGHT EMITTING DEVICE - A light emitting element includes a reflective layer disposed in a substrate, a first electrode disposed through the reflective layer, a second electrode having translucent reflectivity, a plurality of organic material layers including a light emitting layer disposed between the first electrode and the second electrode, and a light emitting region defined by the first electrode, the second electrode, and the light emitting layer. A first organic material layer of the plurality of organic material layers has a first layer thickness in a first sub region within the light emitting region and has a second layer thickness, which is different from the first layer thickness, in a second sub region within the light emitting region. | 02-26-2009 |
20090072709 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a light-emitting element having a first electrode layer, a second electrode, a light-emitting functional layer, a reflective layer which reflects light toward the light-emitting functional layer, a translucent semi-reflective layer which reflects some portion of light emitted from the light-emitting functional layer and transmits the rest of light therethrough, and a color filter which transmits light which passed through out the translucent reflective layer. An optical path d | 03-19-2009 |
20090103304 | LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS - A light emitting device includes: a light emitting element which includes a first electrode layer, a second electrode layer, and a light emitting function layer disposed between the first electrode and the second electrode; a reflection layer which reflects light emitted from the light emitting function layer toward the light emitting function layer; and a translucent semi-reflection layer which is disposed opposite the reflection layer with the light emitting function layer interposed therebetween to reflect some of the light emitted from the light emitting function layer toward the light emitting function layer and to transmit the remainder of the light, wherein the translucent semi-reflection layer has a refractive index of 1 or more. | 04-23-2009 |
20090108743 | LIGHT EMITTING DEVICE - A light emitting device includes a plurality of types of light emitting elements including at least a red light emitting element that outputs red light, a green light emitting element that outputs green light, and a blue light emitting element that outputs blue light. Each of the plurality of types of the light emitting elements includes a first electrode, a second electrode that is disposed on a side for outputting light and has semi-transmissive reflectivity or transparency, a function layer that is formed between the first electrode and the second electrode and includes at least a light emitting layer, a reflective layer that additionally serves as the first electrode or is formed separately from the first electrode in a position for facing the function layer through the first electrode and reflects light generated in the light emitting layer to the second electrode side, and a color filter that is disposed in a position for facing the reflective layer through the function layer and absorbs light having wavelengths in a wavelength range other than a wavelength range of the output light. In addition, at least one type of the light emitting element of the plurality of types of the light emitting elements further includes a semi-reflective layer that is disposed between the reflective layer and the function layer and a transparent layer that is disposed between the reflective layer and the semi-reflective layer. | 04-30-2009 |
20090201229 | LIGHT-EMITTING APPARATUS, METHOD FOR PRODUCING LIGHT-EMITTING APPARATUS, AND ELECTRONIC APPARATUS - The invention provides a light-emitting apparatus that has a plurality of pixels each of which has a set of four sub pixels including a red, a green, a blue, and a remaining sub pixel, together making up a display screen. Each of the sub pixels has a light-emitting layer and color filter that transmits light corresponding to the sub pixel. The light-emitting layer includes a white light-emitting material that emits three-peak white light, with an emission spectrum having a red peak, a green peak, and a blue peak falling within the wavelength range of red light, of green light, and of blue light, respectively. Low intensity regions exist between the red peak and the green peak and between the green peak and the blue peak. The light-emitting layers of the sub pixels extend along the display screen. The color filters overlap the light-emitting layers in a plan view. | 08-13-2009 |
20090203285 | METHOD FOR PRODUCING LIGHT-EMITTING DEVICE - A method for producing a light-emitting device including an acceptor substrate as a base includes ejecting functional liquids containing organic functional materials into target sites on a donor substrate; removing a solvent from the functional liquids to form organic functional layers containing the organic functional materials in the target sites; disposing the donor substrate such that the organic functional layers are positioned opposite the acceptor substrate; and transferring the organic functional layers onto the acceptor substrate by heating the organic functional layers under a reduced pressure with the donor substrate disposed opposite the acceptor substrate. | 08-13-2009 |
20090283786 | LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS - A light emitting device includes: a light emitting element which includes a first electrode layer, a second electrode layer, and a light emitting function layer disposed between the first electrode and the second electrode; a reflection layer which reflects light emitted from the light emitting function layer toward the light emitting function layer; and a translucent transflective layer which is disposed opposite the reflection layer with the light emitting function layer interposed therebetween to reflect some of the light emitted from the light emitting function layer toward the light emitting function layer and to transmit the remainder of the light. The translucent transflective layer is centered between a first layer having a refractive index n | 11-19-2009 |
20100026180 | LIGHT-EMITTING DEVICE, IMAGE FORMING APPARATUS, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A light-emitting device includes: a substrate; a light reflection layer that is formed on the substrate and reflects light; a first electrode that is formed on the light reflection layer and transmits light; a light-emitting layer that is formed on the first electrode and emits light; a second electrode that is formed on the light-emitting layer and transmits a part of light from the light-emitting layer and reflects the rest of the light from the light-emitting layer; and a conductive transflective layer that is formed on the second electrode and that transmits a part of light from the second electrode and reflects the rest of the light from the second electrode. A work function of the second electrode is 4 eV (electron volts) or less. The conductive transflective layer is formed of a metal material having a higher optical reflectance than the second electrode. | 02-04-2010 |
20100051973 | LIGHT-EMITTING DEVICE, ELECTRONIC EQUIPMENT, AND PROCESS OF PRODUCING LIGHT-EMITTING DEVICE - A light-emitting device includes a light-reflecting layer, a first electrode disposed on or above the light-reflecting layer, a semi-transparent reflective second electrode, a light-emitting function layer disposed between the first electrode and the second electrode, and an electron-injection layer disposed between the light-emitting function layer and the second electrode. The second electrode is made of an Ag alloy having an Ag content of from 50% by atoms to 98% by atoms. | 03-04-2010 |
20100051991 | ORGANIC EL DEVICE AND PROCESS OF PRODUCING THE SAME - An organic EL device includes a light-emitting element having a first electrode disposed above a substrate, a second electrode arranged above the first electrode, and a light emission functional layer arranged between the first and second electrodes. The second electrode includes a mixture layer composed of a mixture of an electron-injecting material and a reducing material for reducing the electron-injecting material and a transparent electrically conductive layer formed on the mixture layer. | 03-04-2010 |