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公开(公告)号：JP2006135146A
公开(公告)日：2006-05-25
申请号：JP2004323435
申请日：2004-11-08
Inventor： KIJIMA YASUNORI , MATSUNAMI SHIGEYUKI
IPC: H01L51/50 , C07D471/14 , C07D471/22 , C07D487/14 , C07D487/22 , C09K11/06 , H05B33/12
Abstract: PROBLEM TO BE SOLVED: To provide an organic material that is effective for increasing a lifetime, can also increase efficiency, is required for an element configuration, and has high carrier mobility. SOLUTION: The organic material for display elements is represented by a general formula 1. The organic material is used for the display element clamping a light-emitting unit containing at least an organic light-emitting layer between a cathode and an anode, and is used in, for example, the light-emitting unit. In a stacked display element in which a plurality of light-emitting units are laminated, the organic material is used for the charge generation layer between the light-emitting units. COPYRIGHT: (C)2006,JPO&NCIPI
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公开(公告)号：JP2005339823A
公开(公告)日：2005-12-08
申请号：JP2004153203
申请日：2004-05-24
Inventor： KIJIMA YASUNORI
CPC classification number: H01L51/5278 , C09K11/06 , C09K2211/1014 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0072 , H01L51/0081 , H01L51/5048 , H01L51/5088 , H01L2251/308 , H05B33/14 , Y10S428/917
Abstract: PROBLEM TO BE SOLVED: To provide a display element which is made of an organic material showing high heat-resistance and mobility to give the element characteristics equal or superior to conventional element characteristics under normal temperature drive, an improved high-temperature characteristic, and a fine life characteristic. SOLUTION: According to the display element, a light-emitting unit including an electron hole carrying layer and an organic light-emitting layer is held between a negative electrode and positive electrode. The electronhole carrying layer include an organic material made of a triphenylamine tetramer. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：为了提供一种显示高耐热性和迁移率的有机材料的显示元件，以提供在常温驱动下等于或优于常规元件特性的元件特性，提高了高温特性 ，和优良的生活特点。 解决方案：根据显示元件，包括电子空穴传输层和有机发光层的发光单元被保持在负极和正极之间。 电子载气层包括由三苯胺四聚体制成的有机材料。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2005294187A
公开(公告)日：2005-10-20
申请号：JP2004110868
申请日：2004-04-05
Inventor： SHIBANUMA TETSUAKI , KIJIMA YASUNORI , MATSUDA EISUKE
Abstract: PROBLEM TO BE SOLVED: To provide a display element, giving stable light emission over a long period of time by suppressing initial deterioration in the display element and speed of steady deterioration after that, without large changes in element structure from a conventional element structure and which does not depend on emitted color.
SOLUTION: In the display element 11 consisting of an organic layer 14, in which a positive hole transport layer and a light-emitting layer 14d are laminated in the order from a positive electrode 13 side, is sandwitched in between a negative electrode 15 and the positive electrode 13; the positive hole transport layer is constituted from a laminated structure of the positive hole transport layer 14c and a positive hole transport intermediate layer 14b located on the positive hole 13 side of 14c. This positive hole transport intermediate layer 14b is either constituted from material provided with arylamine frame, from material with high positive hole transport rate than the material constituting the positive hole transport layer 14c located on the light-emitting layer 14d side, or from a material in which the highest occupied molecular orbit (HOMO) is at an energy level lower than that of the host material of the light-emitting layer 14d.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：为了提供一种显示元件，通过抑制显示元件的初始劣化和稳定劣化的速度，在长时间内给出稳定的发光，其中元件结构与常规元件没有大的变化 结构，并且不依赖于发射的颜色。 解决方案：在由正极13侧以顺序层叠有空穴传输层和发光层14d的有机层14构成的显示元件11中，在负极 15和正极13; 正空穴传输层由位于14c的正孔13侧的正空穴传输层14c和空穴传输中间层14b的层叠结构构成。 该空穴传输中间层14b由具有芳胺框架的材料构成，具有比构成位于发光层14d侧的空穴传输层14c的材料高的空穴传输率高的材料，或者由 其中最高占据分子轨道（HOMO）的能级低于发光层14d的主体材料的能级。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2005011734A
公开(公告)日：2005-01-13
申请号：JP2003175992
申请日：2003-06-20
Inventor： KIJIMA YASUNORI
Abstract: PROBLEM TO BE SOLVED: To provide a display element and a display device capable of minimizing initial deterioration of the display element and its subsequent stationary deterioration rate, thereby providing stable light emission over a long time, and excellent in long-term reliability. SOLUTION: This display element is composed by interposing an organic layer 14 including at least a luminescent layer 14c between a negative electrode 15 and a positive electrode 13. The display element is characterized by that the luminescent layer 14c contains a first luminescent material used as a host and a second luminescent material used as a guest; and a high-concentration layer region 14c-1 and a low-concentration layer region 14c-2 having different gust addition quantities are stacked between the negative electrode 13 and the positive electrode 13. The layer regions 14c-1 and 14c-2 may repeatedly be stacked. The host and the guest are provided with carrier transporting capability, and the carrier transporting capability is relatively strong in reverse conductivity. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation: 解决的问题：提供能够使显示元件的初始劣化及其随后的稳定劣化率最小化的显示元件和显示装置，从而长时间提供稳定的发光，并且具有优异的长期可靠性 。 解决方案：该显示元件由在负极15和正极13之间插入至少包含发光层14c的有机层14构成。显示元件的特征在于，发光层14c包含第一发光材料 用作宿主和用作客人的第二发光材料; 并且在负极13和正极13之间堆叠具有不同阵阵相加量的高浓度层区域14c-1和低浓度层区域14c-2。层区域14c-1和14c-2可以重复 被堆叠 主机和客户提供载波传输能力，载波传输能力相对较强，具有反向传导性。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2003203762A
公开(公告)日：2003-07-18
申请号：JP2002059040
申请日：2002-03-05
Applicant: SONY CORP
Inventor： IWASE YUICHI , KIJIMA YASUNORI , YAMADA JIRO
IPC: H05B33/04 , H01L27/32 , H01L51/00 , H01L51/40 , H01L51/50 , H01L51/52 , H01L51/56 , H05B33/00 , H05B33/02 , H05B33/10 , H05B33/24 , H05B33/14
Abstract: PROBLEM TO BE SOLVED: To provide a display device allowing a drive panel 10 having a substrate 11 for driving with organic field light emitting elements 10R, 10G, and 10B and capable of retrieving light from organic field light emitting elements 10R, 10G, and 10B sides to be easily stuck on a sealing panel 20 having a substrate 21 for sealing with a color filter 22. SOLUTION: The drive panel 10 and the sealing panel 20 are disposed opposedly to each other, and the total surfaces thereof are stuck to each other through an adhesive layer 30. The adhesive layer 30 is hardened at least by heat, and starts to harden by one liquid or by the combination of two or more of liquids. A temporary fixed part 30A is formed at the peripheral edge part of the adhesive layer 30. The temporary fixed part 30A is formed, for example, of ultraviolet ray curing resin across the sealing panel 20 and the drive panel, and the relative positions thereof are matched with each other. COPYRIGHT: (C)2003,JPO
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Patent Agency Ranking
公开(公告)号：JP2003197371A
公开(公告)日：2003-07-11
申请号：JP2002070085
申请日：2002-03-14
Applicant: SONY CORP
Inventor： NISHIMURA TEIICHIRO , NISHIGUCHI MASAO , KIJIMA YASUNORI
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for an electroluminescent element for improving wettability of an interface between a water-soluble polymer and an organic solvent-soluble polymer. SOLUTION: This electroluminescent (EL) element 23, in which a layer having a light emission area is arranged between a positive electrode 2 and the negative electrode 22, is constructed of a lamination structure formed of a hole transporting layer (PEDOT layer) 4 and an electron transporting light emission layer (MEH-PPV layer) 5 using different solvents for paint mutually. In this manufacturing method for the electroluminescent element 23, after the hole transporting layer 4 is formed, the electron transporting light emission layer 5 is formed on it, and in this process, the surface of the hole transporting layer 4 is treated with an organic solvent 42 for the paint 5a for forming the electron transporting light emission layer 5. In this way, wettability of the paint 5a is improved. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2003068470A
公开(公告)日：2003-03-07
申请号：JP2001252357
申请日：2001-08-23
Inventor： KIJIMA YASUNORI
Abstract: PROBLEM TO BE SOLVED: To suppress reduction of luminance due to the initial deterioration and provide a display device having high reliability for a long time.
SOLUTION: In an display element comprising to pinch an organic layer 14 including at least a light-emitting layer 14c between a negative electrode 15 and a positive electrode 13, at least one of the negative electrode 15 and the positive electrode 13 contains lanthanoid element. The lanthanoid elements are assumed at least one of lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb) or lutetium (Lu), and it is contained as oxide(s), for example.
COPYRIGHT: (C)2003,JPOAbstract translation: 要解决的问题：为了抑制由于初始劣化引起的亮度的降低，并且提供长时间具有高可靠性的显示装置。 解决方案：在包括在负极15和正极13之间夹持至少包含发光层14c的有机层14的显示元件中，负极15和正极13中的至少一个包含镧系元素。 镧系元素是镧（La），铈（Ce），镨（Pr），钕（Nd），钐（Sm），铕（Eu），钆（Gd），铽（Tb），镝 （Dy），钬（Ho），铒（Er），ium（Tm），镱（Yb），镥（Lu）等，作为氧化物被包含。
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公开(公告)号：JP2002216945A
公开(公告)日：2002-08-02
申请号：JP2001006436
申请日：2001-01-15
Applicant: SONY CORP
Inventor： KIJIMA YASUNORI , UEDA NAOYUKI , TAMURA SHINICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a long life organic electric field light-emitting element wherein a stable light emission is obtained even in the case of generation of heat by thermal relaxation in an electric field light-emitting process and driving of a long time is possible. SOLUTION: At a time of forming a transparent glass substrate 6 of the organic electric field light-emitting element, a prescribed amount of alumina or barium is kneaded in order to reduce heat expansion coefficient, and the heat expansion coefficient of the substrate 6 is made to be 40.0×10E-7/ deg.C or less. By this, stability of element property against the heat is enhanced, and luminance becomes stabilized also in the case of the thermal relaxation, and life-elongation of the element is realized, and driving for a long time can be made.
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公开(公告)号：JPH10223372A
公开(公告)日：1998-08-21
申请号：JP2695197
申请日：1997-02-10
Applicant: SONY CORP
Inventor： ISHIBASHI TADASHI , KIJIMA YASUNORI
Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element with its superior electron transport performance and durability by providing a structure in which an organic electroluminescent layer containing an electron transport layer is sandwiched between an anode and a cathode and further having an electron injection layer. SOLUTION: A substrate 1 is made of a transparent material such as glass, and an anode 2 is made of a translucent material such as ITO or Au thin film. 3 is an organic electrolytic luminous layer. An organic electrolytic luminous element is provided with an electron injection layer 9 between a cathode 4 and an electron transport layer 8, therefore, contact intimacy is improved at a boundary between the cathode 4 and the electron transport layer 8. The electron injection layer 9 prevents scattering of oxygen or adsorptive water or the like from the cathode 4 during element heating and prevents degradation of the electron transport material. Since the electron injection layer 9 controls boundary state between the cathode 4 and the electron transport layer 8, the film thickness thereof is sufficient to be 10nm or less. It is preferable that the electron injection layer 9 has at least one kind of porphyrin derivative. Thereby, a flat panel display with its high brightness and durability is provided.
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公开(公告)号：JPH1079297A
公开(公告)日：1998-03-24
申请号：JP12696197
申请日：1997-05-16
Applicant: SONY CORP
Inventor： KIJIMA YASUNORI
Abstract: PROBLEM TO BE SOLVED: To provide an electroluminescent element of which the electroluminescent efficiency as improved by the application of a conventional material, and which perform stabilized light emission for a long time to allow emitting a blue light with high luminance and excellent chromaticity. SOLUTION: In an organic electroluminescent element of a single heterostructure type in which ITO transparent electrode 5, a hole transfer layer 4, an electron transfer layer 2 and a metal electrode 1 are laminated one after another on a glass substrate 6, an exciton generation promoting layer 33 is interposed between the hole transfer layer 4 and the electron transfer layer 2, and the hole transfer layer 4 is formed of a hole transfer electroluminescence layer 4a or a hole implantation layer 7, and a hole transfer electroluminescence layer 4b. Accordingly, it is possible that to promote the exciton generation in the hole transfer electroluminescence layer 4a and 4b, and to effectively implant holes in the case of arranging the hole implantation layer 7.
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