Abstract:
PROBLEM TO BE SOLVED: To provide a display element whose luminous efficiency and life characteristics can be improved, and to provide a display device using the same.SOLUTION: The display element includes, between an anode 13 and a cathode 15, an organic layer 14 comprising a first light-emitting unit 14A and a second light-emitting unit 14B. A connection layer 16 between the first light-emitting unit 14A and the second light-emitting unit 14B contains a material having a photoelectric conversion function. Since the connection layer 16 has the photoelectric conversion function, the efficiency of hole and electron transport to the first light-emitting unit 14A and the second light-emitting unit 14B is improved.
Abstract:
PROBLEM TO BE SOLVED: To provide a stack-type display element, in which light emitting units comprising an organic layer are stacked, capable of improving environmental resistance by using a stable material for at least a part of a charge generation layer, capable of improving injection efficiency of a charge from the charge generation layer to the light emitting units, and capable of being manufactured easily.SOLUTION: In a display element 11, a plurality of light emitting units 14-1, 14-2 including at least an organic light emitting layer 14c are stacked between a cathode 16 and an anode 13, and a charge generation layer 15 is held between each of the light emitting units 14-1, 14-2. At least a part of the charge generation layer 15 uses an oxide containing at least one of an alkali metal and an alkaline earth metal or a fluoride containing at least one of an alkali metal and an alkaline earth metal.
Abstract:
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element capable of restraining generation of short circuit. SOLUTION: A first organic layer 22 including a light-emitting layer 22C, a half-penetrating reflective film 23 with thickness of 3 to 6 nm, a second organic layer 24 made of 9,10-di (2-naphthyl) anthracene (ADN), and a resistance layer 25 made of niobium oxide are included sequentially from a first electrode 21 side, between a first electrode 21 and a second electrode 26. When forming each layer sequentially from the first electrode 21 side, a non-covered section not covered by the first organic layer 22 is easily formed on the first electrode 21 if a foreign body is existed on the first electrode 21. The non-covered section is covered by the resistance layer 25 formed next. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a display device retaining reliability for a long period of time by suppressing deterioration of a light emitting element due to moisture. SOLUTION: A sealing resin 13 is filled between a substrate 1 and a plate type sealing substrate 14 so as to cover the whole surface of a display region 10. A getter agent layer 21 is provided throughout the whole periphery so as to cover a boundary face between the substrate 1 and the sealing resin 13, a boundary face between the sealing resin 13 and the sealing substrate 14, and the exposed part of the sealing resin 13 on its periphery. The getter agent layer 21 is formed by using a material to catch at least either one of moisture and oxygen. A sealing layer 23 is also provided so as to cover the getter agent layer 21. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a red-light emitting organic electroluminescence device having satisfactorily good efficiency of light emission and color purity, and to provide a display device using the same. SOLUTION: In a red-light emitting organic electroluminescence device 11 comprising a positive electrode 13 and a negative electrode 15, and an organic layer 14 with a light emitting layer 14c held therebetween, and the light emitting layer 14c contains, as a host material, a polycyclic aromatic hydrocarbon compound having a mother skeleton of 4-7 rings together with a red-light emitting guest material. In addition, a light sensitizing layer 14d containing a phosphorescence material made of an organic material is provided in adjacent with the light emitting layer 14c. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an organic electroluminescence element which uses an amine compound as a superior light emitting material, and to provide a display unit using the organic electroluminescence element. SOLUTION: The organic electroluminescence element 11 pinches at least one organic layer 14 including a light emitting layer 14c between an anode 13 and a cathode 15. In this case, the organic layer 14 is comprised of an amine compound, wherein an amine group is directly bonded to a thiophene unit at the central part as represented by general formula (1) for example. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a red light-emitting organic electroluminescent device having high light emitting efficiency, high color purity and high light emitting life, and a display apparatus configured by using the same. SOLUTION: The red light-emitting organic electroluminescent device 11 is configured by holding an organic layer 14 which includes a light-emitting layer 14c, between an anode 13 and a cathode 15, wherein the light-emitting layer 14c includes a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound whose mother skeleton has a four to seven-membered ring. The organic electroluminescent device also includes an electron transport layer 14d containing a particular benzimidazole derivative provided adjacent to the light-emitting layer 14c. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a transcription substrate and an organic electroluminescent element using the substrate wherein an organic material layer can be pattern-formed surely on a transcribed substrate by a thermal transfer method. SOLUTION: The manufacturing method is for use in the transcription substrate and the organic electroluminescent element using the substrate. In the transcription substrate 100 in which a photo-thermal conversion layer 102 and a transcription layer 104 are formed in this order on the support substrate 101, the transcription layer 104 is composed of an organic material that has a thermogravimetric loss start temperature (T sub ) lower than 500°C and is sublimated under atmospheric pressure, or an organic material in which the thermogravimetric loss start temperature (T sub ) is lower than 500°C, and the thermogravimetric loss start temperature (T sub ) and a melting point (T m ) satisfy T sub -T m COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation:要解决的问题:为了提供使用基板的转录基板和有机电致发光元件的制造方法,其中有机材料层可以通过热转印法确定地在转印的基板上图案形成。 解决方案:该制造方法用于转录底物和使用该底物的有机电致发光元件。 在载体基板101上依次形成光热转换层102和转印层104的转录底物100中,转印层104由具有热重量损失开始温度(T < SB> sub SB>),并在大气压下升华,或热重量损失开始温度(T sub SB>)低于500℃的有机材料,以及 热重量损失开始温度(T sub SB>)和熔点(T m SB>)满足T sub SB> -T SB> > <200℃。 版权所有(C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an organic electroluminescence element that has improved luminous efficiency and color purity and emits a red color, and to provide a display using the organic electroluminescence element. SOLUTION: In the organic electroluminescence element 11 that clamps an organic layer 14, having a luminous layer 14c between a positive electrode 13 and a negative electrode 15, and emits a red color, the luminous layer 14c contains a styril derivative as a red radiative guest material, and a polycyclic aromatic series hydrocarbon compound having 4-7 membered rings for a mother skeleton as a host material. A photosensitizing layer 14d containing a radiative guest material generated at a wavelength shorter than that of the luminous layer 14c is provided adjacent to the luminous layer 14c. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element, and a display device using the same, capable of improving emission efficiency without changing chromaticity of emission light in a light-emitting layer using a phosphorescent light-emitting material. SOLUTION: Of the organic electroluminescent element 1 made by pinching a light-emitting unit 15 with a light-emitting layer 15c at least made of an organic material between an anode 13 and a cathode 17, the light-emitting layer 15c contains a phosphorescent light-emitting material as a luminous material. With the light-emitting unit 15, a photosensitized layer 15d with a fluorescent light-emitting material as a guest material made contained in a host material is provided in a state adjacent to the light-emitting layer 15c. COPYRIGHT: (C)2008,JPO&INPIT