Patent application number | Description | Published |
20080238832 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having at least an anode and a cathode forming a pair of electrodes. At least one electrode being transparent or translucent, and a buffer layer and an organic compound layer is disposed between the anode and the cathode. The organic compound layer has one or more layers including at least a light-emitting layer. At least one of the layers of the organic compound layer comprising at least one specific charge-transporting polyether. At least one of the layers having the charge-transporting polyether is provided in contact with the buffer layer. The buffer layer is provided in contact with the anode and has at least one charge injection material selected from the group consisting of an inorganic oxide, an inorganic nitride, and an inorganic oxynitride. The invention further provides a display device using the organic electroluminescent device. | 10-02-2008 |
20080311425 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having an electrode pair of an anode and a cathode, at least one of which is transparent or translucent, and an organic compound layer disposed between the anode and the cathode, the organic compound layer having two or more layers including a buffer layer and a light-emitting layer. At least one of the layers of the organic compound layer has a specific charge-transporting polyether. The buffer layer is provided in contact with the anode and having at least a crosslinked compound formed by using at least one charge injection material having a specific substituted silicon group. The invention further provides a display device having at least a substrate, plural organic electroluminescent devices disposed on the substrate in a matrix form, and a driving unit to drive the organic electroluminescent devices, each of the plural organic electroluminescent devices is the organic electroluminescent device. | 12-18-2008 |
20090001876 | Organic electroluminescent device and display device - An organic electroluminescent device, having an organic compound layer including two or more layers including at least a buffer layer and an emitting layer, wherein at least one of the organic compound layers other than the buffer layer contains at least one charge-transporting polyester represented by Formula (I-1) or (I-2), and the buffer layer is formed in contact with an anode and contains a crosslinked compound formed by using at least one charge injection material containing a substituted silicon group and represented by Formula (III). | 01-01-2009 |
20090039774 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND DISPLAY DEVICE - An organic electroluminescence element includes a pair of electrodes composed of an anode and a cathode, at least one of which is transparent or semitransparent, and one or more organic compound layers disposed between the pair of electrodes, wherein at least one of the organic compound layers comprises at least one charge-transporting polyester consisting of repeating units containing, as a partial structure, at least one structure represented by the following formula (I-1). | 02-12-2009 |
20090195716 | OPTICALLY WRITABLE DISPLAY MEDIUM AND OPTICAL WRITING METHOD - An optically writable display medium includes an optical switching element and a display element. The optical switching element includes a charge transport layer sandwiched between an upper charge generating layer and a lower charge generating layer. The display element includes a display layer having memory properties and is provided on the optical switching element. The absorption wavelength region of the upper charge generating layer and the absorption wavelength region of the lower charge generating layer are substantially different from each other. | 08-06-2009 |
20100133995 | Novel thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium - An organic electroluminescent device with a pair of electrodes having an anode and a cathode, and one or more organic compound layers disposed therebetween. One of the anode or the cathode is transparent or semitransparent. One of the organic compound layers includes a charge-transporting polyester having a repeating structure containing at least one structure selected from the structures represented by the following formulae as a partial structure: | 06-03-2010 |
20100137553 | Novel thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium - A thiophene-containing compound polymer represented by | 06-03-2010 |
20100225837 | DISPLAY MEDIUM, DISPLAY DEVICE AND METHOD OF OPTICAL WRITING - The invention provides a display medium including: a first electrode; a second electrode; a liquid crystal layer provided between the first electrode and the second electrode; a photoconductive layer provided between the second electrode and the liquid crystal layer, the photoconductive layer absorbing light of a predetermined wavelength used for writing, and thereby exhibiting an electrical characteristic corresponding to the intensity distribution of the light used for writing; a first light absorption layer provided between the liquid crystal layer and the photoconductive layer, the first light absorption layer absorbing light transmitted through the liquid crystal layer; a second light absorption layer provided at the side of the second electrode not facing the photoconductive layer, the second light absorption layer allowing transmission of the light used for writing and having an absorbance of 1 or more with respect to light of any wavelength in a range of from 300 nm to 550 nm. | 09-09-2010 |
20110051024 | PHOTO-ADDRESSABLE DISPLAY MEDIUM AND PHOTO-ADDRESSABLE DISPLAY DEVICE - A photo-addressable display medium is provided, the photo-addressable display medium including: a pair of electrodes having transparency; a photoconductive layer disposed between the pair of electrodes and having a laminated structure of a first charge generation layer, a charge transport layer and a second charge generation layer in this order from an exposing light irradiation side; and a liquid crystal layer disposed between an electrode of the inverse side to the exposing light irradiation side and the second charge generation layer and having memory performance, wherein the first charge generation layer and the second charge generation layer contain a phthalocyanine compound, and the charge transport layer contains a stilbene compound represented by the following formula (1): | 03-03-2011 |
20130222882 | POLYMER DISPERSANT FOR IMAGE DISPLAY PARTICLES, IMAGE DISPLAY PARTICLES, DISPERSION LIQUID FOR IMAGE DISPLAY PARTICLES, DISPLAY MEDIUM, AND DISPLAY DEVICE - A polymer dispersant for image display particles, including a copolymer having a repeating unit derived from a polymer component with a silicone chain, a repeating unit derived from a hydrophobic polymer component other than the polymer component with a silicone chain, and a repeating unit derived from a polymer component with a polyalkylene glycol structure. | 08-29-2013 |
20130222884 | ELECTROPHORETIC PARTICLE, PARTICLE DISPERSION LIQUID FOR DISPLAY, DISPLAY MEDIUM AND DISPLAY DEVICE - There is provided an electrophoretic particle, which contains a colored particle containing a charged group-containing polymer and a coloring agent, and a branched silicone-based polymer being attached to the colored particle and containing, as copolymerization components, a reactive monomer and at least one monomer selected from specific monomers, and a particle dispersion liquid for display, a display medium and a display device. | 08-29-2013 |
20130222887 | ELECTROPHORETIC PARTICLE, ELECTROPHORETIC PARTICLE DISPERSION LIQUID, DISPLAY MEDIUM, AND DISPLAY DEVICE - There is provided an electrophoretic particle which contains a core material particle formed of a composition containing a resin, a nitrogen-containing heterocyclic compound having any one of an imino group, a methylol group and an alkoxymethyl group in the molecule and a heterocyclic ring having a nitrogen atom, and a coloring agent. | 08-29-2013 |
20140104675 | PARTICLE DISPERSION FOR DISPLAY, DISPLAY MEDIUM, AND DISPLAY DEVICE - A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5. | 04-17-2014 |