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1. 发明专利

JP2013215713A Method and device for manufacturing dispersion of semiconductor particle, method for manufacturing photoelectric conversion element and dye-sensitized solar cell, dispersion of semiconductor particle, photoelectric conversion element, and dye-sensitized solar cell 审中-公开
标题翻译：用于制造半导体颗粒分散体的方法和装置，制造光电转换元件和透明度太阳能电池的方法，半导体颗粒的分散，光电转换元件和透明的太阳能电池
公开(公告)号：JP2013215713A
公开(公告)日：2013-10-24
申请号：JP2012153255
申请日：2012-07-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YOKO , OSASA TAKAHIRO , IZUMI KEN , SUZUKI SHIGEYO , HONDA TAKAKO , IGAWA TAKAO
IPC分类号： B01F3/12 , B01F5/02 , C01G23/047 , H01L31/04 , H01M14/00
CPC分类号： Y02E10/542 , Y02P70/521
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a dispersion of semiconductor particles, capable of obtaining high-dispersibility while suppressing contamination by foreign matters other than semiconductor particles.SOLUTION: Semiconductor particles are dispersed by causing a plurality of slurries that contain the semiconductor particles and are subjected to a pressure of 50-300 [MPa] to collide with one another. The semiconductor particles may be dispersed by causing a slurry containing the semiconductor particles to collide with a collision member 135 while being subjected to the pressure of 50-300 [MPa].
摘要翻译：要解决的问题：提供一种制造半导体颗粒的分散体的方法，其能够在抑制由半导体颗粒以外的异物抑制污染的同时获得高分散性。解决方案：通过引起含有半导体的多种浆料来分散半导体颗粒并且经受50-300 [MPa]的压力以彼此碰撞。通过使含有半导体粒子的浆料与受冲击构件135碰撞而受到50〜300 [MPa]的压力，可以使半导体粒子分散。

2. 发明专利

JP2014093175A Dispersion element for dye-sensitized solar cell 有权
标题翻译：用于透明的太阳能电池的分散元件
公开(公告)号：JP2014093175A
公开(公告)日：2014-05-19
申请号：JP2012242464
申请日：2012-11-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI SHIGEYO , OSASA TAKAHIRO , ARAI YOKO
IPC分类号： H01M14/00 , H01L31/04
CPC分类号： Y02E10/542
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor particle dispersion which enable a porous electron transport layer of a dye-sensitizes solar cell to form a layer having high transparency, a high specific surface and a large pore size.SOLUTION: A semiconductor particles dispersion comprises: an electrode formed on a transparent substrate; a counter electrode provided at a distance from and opposite to the electrode; and an electrolyte layer and a light-absorption layer between both electrodes. In the light-absorption layer, dye is supported on a porous structure composed of semiconductor fine particles. A dispersion element for the porous structure for manufacturing a dye-sensitized solar cell has a particle size in a volume particle size distribution of not less than 5 nm and not more than 500 nm and has three and more particle size distribution peaks.
摘要翻译：要解决的问题：提供使染料敏化太阳能电池的多孔电子传输层形成具有高透明度，高比表面积和大孔径的层的半导体颗粒分散体。解决方案：半导体颗粒分散体包含：形成在透明基板上的电极; 设置在与电极相距一定距离处的对置电极; 以及两电极之间的电解质层和光吸收层。在光吸收层中，染料负载在由半导体细颗粒构成的多孔结构体上。用于制造染料敏化太阳能电池的多孔结构的分散元件具有不小于5nm且不大于500nm的体积粒度分布的粒径，并且具有三个或更多个粒度分布峰。

3. 发明专利

JP2014049668A Organic electroluminescent element 审中-公开
标题翻译：有机电致发光元件
公开(公告)号：JP2014049668A
公开(公告)日：2014-03-17
申请号：JP2012192964
申请日：2012-09-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YOKO , OSASA TAKAHIRO , IGAWA TAKAO , SUZUKI SHIGEYO
IPC分类号： H01L51/50 , H05B33/12
摘要： PROBLEM TO BE SOLVED: To provide an organic electroluminescent element (organic EL element) which is excellent in luminous efficiency and emits light in a plurality of colors by simple structure.SOLUTION: An organic EL element is constituted so that it comprises a plurality of light emission layers containing luminescent materials in holes of porous semiconductor parts to be constituted of semiconductor fine particles, in which porous semiconductor parts 4a and 4b constituting the plurality of light emission layers contain the semiconductor fine particles whose number average primary particle diameter to be calculated by the following (1) is 100 nm or less, respectively, and control is performed so that content of the semiconductor fine particles whose primary particle diameter is 0.1 nm or more and 7 nm or less contained in the respective semiconductor parts is differentiated for every light emission layer to emit light in a plurality of colors. A measurement method of (1): a circle equivalent diameter equivalent to a project area of the respective semiconductor fine particles is measured from images of the semiconductor parts obtained in SEM observation to calculate its distribution on the basis of the number.
摘要翻译：要解决的问题：提供一种发光效率优异并通过简单的结构发出多种颜色的光的有机电致发光元件（有机EL元件）。解决方案：一种有机EL元件构成为包括多个光在由多个半导体微粒构成的多孔质半导体部件的孔中含有发光材料的发光层，其中构成多个发光层的多孔质半导体部分4a，4b包含半导体微粒，以下（1）分别为100nm以下，进行控制，使得在各半导体部件中含有的一次粒径为0.1nm以上且7nm以下的半导体微粒的含量对于每个发光层以多种颜色发光。（1）的测定方法：根据SEM观察得到的半导体部件的图像，根据该数量来计算与各半导体微粒的投影面积相当的圆当量直径，计算其分布。

4. 发明专利

JP2014174506A Electrochromic display element and electrochromic display unit using the same 审中-公开
标题翻译：电子显示元件和电子显示单元
公开(公告)号：JP2014174506A
公开(公告)日：2014-09-22
申请号：JP2013049978
申请日：2013-03-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YOKO , OSASA TAKAHIRO , SUZUKI SHIGEYO
IPC分类号： G02F1/15
摘要： PROBLEM TO BE SOLVED: To provide an electrochromic display element allowing high rewriting speed and having high repetition stability.SOLUTION: An electrochromic display element 20 comprises: a display electrode 1; a counter electrode 2 arranged opposite to the display electrode with an interval; an electrolyte layer 3 included between both electrodes; and a display layer 6 formed on a surface of the display electrode closer to the counter electrode. The display layer carries an organic electrochromic compound 5 on the surface of a porous structure 4 having pores formed of semiconductor fine particles. The electrochromic display element is further configured so that in a pore size distribution of the porous structure, a volume-based average pore diameter calculated by the following expression (1) is 25 nm or more and 40 nm or less, and cumulative frequency of the pores with a pore size of less than 5 nm is 20% or less. Average pore diameter=(4×V)/A ...(1), where V represents a total pore volume and A represents a specific surface area.
摘要翻译：要解决的问题：提供允许高重写速度并具有高重复稳定性的电致变色显示元件。解决方案：电致变色显示元件20包括：显示电极1; 与间隔布置在显示电极相对的对置电极2; 包括在两个电极之间的电解质层3; 以及形成在显示电极的靠近对置电极的表面上的显示层6。显示层在具有由半导体细颗粒形成的孔的多孔结构4的表面上带有有机电致变色化合物5。电致变色显示元件进一步构造成使得在多孔结构的孔径分布中，通过以下表达式（1）计算的基于体积的平均孔径为25nm以上且40nm以下，累积频率孔径小于5nm的孔径为20％以下。平均孔径=（4×V）/ A ...（1）其中V表示总孔体积，A表示比表面积。

5. 发明专利

JP2014052510A Electrochromic display apparatus and driving method of the same 审中-公开
标题翻译：电致发光显示装置及其驱动方法
公开(公告)号：JP2014052510A
公开(公告)日：2014-03-20
申请号：JP2012196880
申请日：2012-09-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YOKO , SUZUKI SHIGEYO , OSASA TAKAHIRO , IGAWA TAKAO , HONDA TAKAKO
IPC分类号： G02F1/153 , G02F1/15
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive multicolor EC display element.SOLUTION: An electrochromic display element comprises: a display electrode; a counter electrode arranged opposite to and with distance from the display electrode; an electrolyte between both electrodes; and, on a surface of the display electrode at a counter electrode side, a display layer in which an organic electrochromic compound is carried on the surface of conductive or semiconductor fine particles. The plurality of display layers are laminated in which the conductive or semiconductor fine particles have a primary particle diameter of 1 nm or more and 10 nm or less and are different in content from each other.
摘要翻译：要解决的问题：提供廉价的多色EC显示元件。解决方案：电致变色显示元件包括：显示电极; 与显示电极相对且距离显示电极布置的对电极; 两电极之间的电解液; 并且在相对电极侧的显示电极的表面上，在导电性或半导体微粒的表面上载持有机电致变色化合物的显示层。层叠多个显示层，其中导电或半导体微粒的初级粒径为1nm以上且10nm以下，并且含量不同。

6. 发明专利

JP2014081451A Display element 审中-公开
标题翻译：显示元件
公开(公告)号：JP2014081451A
公开(公告)日：2014-05-08
申请号：JP2012228517
申请日：2012-10-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YOKO , OSASA TAKAHIRO , SUZUKI SHIGEYO
IPC分类号： G02F1/163
摘要： PROBLEM TO BE SOLVED: To provide a display element allowing high rewrite speed.SOLUTION: The display element comprises: a display electrode 1; a counter electrode 2 provided with a distance from and facing the display electrode 1; an electrolyte 3 interposed between the display electrode 1 and the counter electrode 2; a porous structure including semiconductor fine particles, at the display electrode side; and a display layer 5 including an organic electrochromic compound 4 supported on a surface of the porous structure. In pore size distribution of the porous structure on a volume basis, every frequency of the pore size of 10 nm or more and 100 nm or less is 5% or more and 20% or less, and the frequency of a region of 5 nm or less pore size is less than 5%, and there is no region of 150 nm or more pore size.
摘要翻译：要解决的问题：提供允许高重写速度的显示元件。解决方案：显示元件包括：显示电极1; 设置有与显示电极1相距并面对显示电极1的对置电极2; 介于显示电极1和对置电极2之间的电解质3; 在显示电极侧包括半导体微粒的多孔结构; 以及显示层5，其包含支撑在多孔结构体的表面上的有机电致变色化合物4。在多孔结构体积的孔径分布中，10nm以上100nm以下的孔径的频率为5％以上且20％以下，5nm以上的区域的频率，孔径小于5％，没有150nm以上的孔径的区域。

7. 发明专利

JP2014035469A Electrochromic display element dispersion 审中-公开
标题翻译：电子显示元件分散体
公开(公告)号：JP2014035469A
公开(公告)日：2014-02-24
申请号：JP2012176941
申请日：2012-08-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YOKO , OSASA TAKAHIRO , SUZUKI SHIGEYO
IPC分类号： G02F1/15 , G09F9/30
摘要： PROBLEM TO BE SOLVED: To provide a display element dispersion allowing for high rewriting speed and having high repetition stability.SOLUTION: An electrochromic display element dispersion is used for producing a porous structure in a display element 20 including a display electrode 5b, a counter electrode 2b provided spaced apart from the display electrode 5b, electrolyte 3 existing between the display electrode and the counter electrode, and a display layer 5 having the porous structure composed of semiconductor fine particles at a display electrode side and carrying an organic electrochromic compound 4 on the surface of the porous structure. The semiconductor fine particles are dispersed in a dispersion medium, have particle diameters of 4 nm or more and 1000 nm or less in a dispersed state, and have three or more peaks in particle diameter distribution of volume reference.
摘要翻译：要解决的问题：提供允许高重写速度并具有高重复稳定性的显示元件色散。解决方案：在显示元件20中使用电致变色显示元件分散体来制造多孔结构，该显示元件20包括显示电极5b，对电极 2b，与显示电极5b间隔开，存在于显示电极和对电极之间的电解质3和显示层5，该显示层5具有在显示电极侧由半导体细颗粒构成的多孔结构，并在其上携带有机电致变色化合物4 多孔结构的表面。半导体微粒分散在分散介质中，分散状态的粒径为4nm以上且1000nm以下，在体积基准的粒径分布中具有3个以上的峰。

8. 发明专利

JP2014010901A Dispersion of semiconductor particle for dye-sensitized solar cell, and dye-sensitized solar cell 审中-公开
标题翻译：用于透明的太阳能电池和透明的太阳能电池的半导体颗粒的分散
公开(公告)号：JP2014010901A
公开(公告)日：2014-01-20
申请号：JP2012144434
申请日：2012-06-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IZUMI KEN , ARAI YOKO , OSASA TAKAHIRO , SUZUKI SHIGEYO , IGAWA TAKAO
IPC分类号： H01M14/00 , H01L31/04
CPC分类号： Y02E10/542 , Y02P70/521
摘要： PROBLEM TO BE SOLVED: To provide: a dispersion of semiconductor particles for a dye-sensitized solar cell, which is contamination-free and sufficiently dispersed; and a solar cell which is high in transparency, includes an electron transport layer with a large pore size formed therein, and has high conversion efficiency.SOLUTION: A dispersion of semiconductor particles for a dye-sensitized solar cell is dispersion-treated by pressure releasing a slurry, which is pressurized at 50 MPa or more and 350 MPa or less and includes semiconductor particles in a liquid medium, and applying a shearing force.
摘要翻译：要解决的问题：提供：无污染且充分分散的染料敏化太阳能电池的半导体粒子的分散体; 并且透明度高的太阳能电池包括其中形成有大孔径的电子传输层，并且具有高的转换效率。解决方案：用于染料敏化太阳能电池的半导体颗粒的分散体通过压力释放进行分散处理在50MPa以上且350MPa以下加压的浆料，并且在液体介质中包含半导体粒子，并施加剪切力。

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