公开(公告)号：US20140339724A1

公开(公告)日：2014-11-20

申请号：US14451585

申请日：2014-08-05

Applicant: Mitsui Chemicals, Inc. ,  A school Corporation Kansai University

Inventor： Mitsunobu YOSHIDA ,  Shunsuke FUJII ,  Hitoshi ONISHI ,  Yoshiro TAJITSU ,  Taizo NISHIMOTO ,  Kazuhiro TANIMOTO ,  Kenichi GOTO

IPC: H01L41/193 ,  B29C71/00 ,  B29C55/00 ,  B29C71/02 ,  H01L41/18 ,  B29C55/04

CPC classification number: H01L41/193 ,  B29C55/005 ,  B29C55/04 ,  B29C71/0009 ,  B29C71/02 ,  B29C2071/022 ,  B29K2067/046 ,  B29K2105/256 ,  B29K2995/0003 ,  B29K2995/0026 ,  B29K2995/004 ,  B29K2995/0051 ,  B29K2995/0088 ,  B29L2007/002 ,  B29L2031/34 ,  C08L27/16 ,  C08L67/04 ,  H01L41/183 ,  H01L41/45

Abstract: A piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 40% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 μm, of from 40 to 700.

Abstract translation: 一种压电聚合物材料，其包含重均分子量为50,000〜1,000,000的螺旋手性聚合物和光学活性，所述压电聚合物材料具有通过DSC法从40％至80％得到的结晶度; 相对于可见光的透射雾度为50％以下; 以及用参考厚度为50μm的微波透射型分子取向仪测定的结晶度和标准化分子取向MORc的乘积为40-700。

公开(公告)号：US20210119106A1

公开(公告)日：2021-04-22

申请号：US16606516

申请日：2018-04-20

Applicant: Mitsui Chemicals, Inc.

Inventor： Mitsunobu YOSHIDA ,  Katsuki ONISHI ,  Kazuhiro TANIMOTO

IPC: H01L41/087 ,  H01L41/09 ,  H01L41/113 ,  H01L41/193 ,  G01L1/16

Abstract: A piezoelectric substrate, comprising: a conductor cord that has a core material and a conductor disposed around the core material; and an elongated piezoelectric body that is disposed around the conductor cord in a spiral manner, unidirectionally along an axial direction of the conductor cord, wherein: the piezoelectric body comprises an optically active helical chiral polymer, a lengthwise direction of the piezoelectric body and a main orientation direction of the helical chiral polymer in the piezoelectric body are substantially parallel to each other, the piezoelectric body has an orientation degree F. of from 0.5 to less than 1.0, and the conductor cord satisfies Formula (b): ΔDmax

公开(公告)号：US20190267538A1

公开(公告)日：2019-08-29

申请号：US16307749

申请日：2017-06-05

Applicant: MITSUI CHEMICALS, INC. ,  MURATA MANUFACTURING CO., LTD.

Inventor： Mitsunobu YOSHIDA ,  Kazuhiro TANIMOTO ,  Katsuki ONISHI ,  Shigeo NISHIKAWA ,  Masamichi ANDO

IPC: H01L41/193 ,  H01L41/08 ,  H01L41/113 ,  D01F6/62

Abstract: The present invention provides: a piezoelectric substrate which includes a first piezoelectric body having an elongated shape and helically wound in one direction, and which does not include a core material, in which the first piezoelectric body includes a helical chiral polymer (A) having an optical activity; in which the length direction of the first piezoelectric body is substantially parallel to the main direction of orientation of the helical chiral polymer (A) included in the first piezoelectric body; and in which the first piezoelectric body has a degree of orientation F, as measured by X-ray diffraction according to the following Equation (a), within the range of 0.5 or more but less than 1.0: degree of orientation F=(180°−α)/180°  (a) (in which α represents the half-value width of the peak derived from the orientation).

公开(公告)号：US20170317268A1

公开(公告)日：2017-11-02

申请号：US15523722

申请日：2015-10-16

Applicant: MITSUI CHEMICALS, INC.

Inventor： Keisuke SATO ,  Kazuhiro TANIMOTO ,  Koji OTA ,  Katsutoshi OZAKI ,  Katsuki ONISHI

IPC: H01L41/193 ,  B29C55/04 ,  H01L41/08 ,  H01L41/35 ,  B29L7/00 ,  H01L41/27 ,  H01L41/083

CPC classification number: H01L41/193 ,  B29C55/04 ,  B29K2995/0003 ,  B29L2007/00 ,  H01L41/0805 ,  H01L41/083 ,  H01L41/27 ,  H01L41/35 ,  H01L41/45

Abstract: A polymeric piezoelectric film including an optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, wherein: a crystallinity obtained by a DSC method is from 20% to 80%; a standardized molecular orientation MORc measured by a microwave transmission-type molecular orientation meter based on a reference thickness of 50 μm is from 3.5 to 15.0; and in a waveform measured with an inline film thickness meter and representing a relationship between a position in a width direction on the film and a thickness of the film, a number of peaks A is 20 or less per 1,000 mm of a film width, wherein the peaks A have a peak height of 1.5 μm or more and a peak slope of 0.000035 or more.

公开(公告)号：US20170218117A1

公开(公告)日：2017-08-03

申请号：US15500982

申请日：2015-07-10

Applicant: MITSUI CHEMICALS, INC.

Inventor： Kazuhiro TANIMOTO ,  Keisuke SATO ,  Toshihisa KITAGAWA ,  Katsutoshi OZAKI

IPC: C08G63/06 ,  B29C55/16 ,  H01L41/45 ,  B29C71/02

CPC classification number: C08G63/06 ,  B29C55/16 ,  B29C71/02 ,  C08J5/18 ,  H01L41/193 ,  H01L41/45

Abstract: Provided is a polymeric piezoelectric film containing an optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, in which a crystallinity obtained by a DSC method is from 20% to 80%, and the product of the crystallinity and a standardized molecular orientation MORc when a reference thickness measured by a microwave transmission-type molecular orientation meter is set to 50 μm is from 25 to 700, and in which a surface roughness of at least one plane in terms of a non-contact three-dimensional surface roughness Sa measured by a confocal laser microscope is from 0.040 μm to 0.105 μm.

公开(公告)号：US20160204337A1

公开(公告)日：2016-07-14

申请号：US14911919

申请日：2014-08-29

Applicant: MITSUI CHEMICALS, INC.

Inventor： Kazuhiro TANIMOTO ,  Mitsunobu YOSHIDA ,  Shigeo NISHIKAWA

IPC: H01L41/193

CPC classification number: H01L41/193 ,  B32B27/08 ,  B32B27/18 ,  B32B27/36 ,  B32B2307/306 ,  B32B2307/704 ,  B32B2307/718 ,  B32B2307/7246 ,  B32B2457/00 ,  H01L41/0533 ,  H01L41/45

Abstract: A layered body including a polymeric piezoelectric body which includes an optically active aliphatic polyester (A) having a weight average molecular weight of from 50,000 to 1,000,000 and has crystallinity obtained by a DSC method, of from 20% to 80%, and a layer (X) which is in contact with the polymeric piezoelectric body and has an acid value of 10 mg KOH/g or less.

Abstract translation: 包括聚合物压电体的层叠体，其包含重均分子量为50,000〜1,000,000的光学活性脂肪族聚酯（A），通过DSC法得到的结晶度为20〜80％，层（ X），其与聚合物压电体接触并具有10mg KOH / g以下的酸值。

公开(公告)号：US20150362647A1

公开(公告)日：2015-12-17

申请号：US14764514

申请日：2014-01-28

Applicant: MITSUI CHEMICALS, INC. ,  MURATA MANUFACTURING CO., LTD.

Inventor： Kazuhiro TANIMOTO ,  Mitsunobu YOSHIDA ,  Shigeo NISHIKAWA

IPC: G02B5/30 ,  G02F1/1335 ,  H01L51/52 ,  G02F1/13363

CPC classification number: G02B5/30 ,  B32B27/36 ,  B32B2307/20 ,  B32B2307/40 ,  B32B2307/42 ,  B32B2307/704 ,  B32B2367/00 ,  C08G63/02 ,  C08G63/06 ,  C08G63/08 ,  C08K5/00 ,  C08K5/005 ,  C08K5/1515 ,  C08K5/29 ,  C08L67/04 ,  G02F1/13338 ,  G02F1/1335 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/133636 ,  G02F2001/133394 ,  G02F2001/13356 ,  G02F2001/133562 ,  G02F2001/133638 ,  H01L41/00 ,  H01L41/04 ,  H01L41/08 ,  H01L41/0805 ,  H01L41/16 ,  H01L41/18 ,  H01L41/193 ,  H01L41/35 ,  H01L41/45 ,  H01L51/50 ,  H01L51/52 ,  H01L51/5293 ,  Y10T428/31511 ,  Y10T428/31565 ,  Y10T428/31786

Abstract: Provided is a display device containing a crystalline piezoelectric polymer layer having a helical chiral polymer (A) that has a weight average molecular weight of from 50,000 to 1,000,000 and has optical activity, an optical compensation layer satisfying the following expression (1), and a linear polarizer. In expression (1), Xc represents a degree of crystallinity (%) of the crystalline piezoelectric polymer layer obtained by a DSC method; MORc represents a standardized molecular orientation of the crystalline piezoelectric polymer layer measured by a microwave transmission molecular orientation meter when a reference thickness is 50 μm; d represents a thickness (μm) of the crystalline piezoelectric polymer layer; and Rth represents a phase difference (nm) in a thickness direction of the optical compensation layer at a wavelength of 550 nm. |0.06×Xc×MORc×d+Rth|≦500  Expression (1):

Abstract translation: 提供一种显示装置，其含有具有重均分子量为50,000〜1,000,000的具有光学活性的螺旋型手性聚合物（A）的结晶性压电聚合物层，满足以下表达式（1）的光学补偿层，和 线偏振器。 式（1）中，Xc表示通过DSC法得到的结晶性压电聚合物层的结晶度（％）; MORc表示当参考厚度为50μm时由微波透射分子取向计测量的结晶压电聚合物层的标准化分子取向; d表示结晶压电聚合物层的厚度（μm）; Rth表示在波长550nm下的光学补偿层的厚度方向的相位差（nm）。 | 0.06×Xc×MORc×d + Rth |＆nlE; 500表达式（1）：

公开(公告)号：US20200378846A1

公开(公告)日：2020-12-03

申请号：US16634983

申请日：2018-08-03

Applicant: MITSUI CHEMICALS, INC.

Inventor： Katsuki ONISHI ,  Kazuhiro TANIMOTO ,  Mitsunobu YOSHIDA

IPC: G01L1/16

Abstract: A sensor module includes a holding member formed of an elastic body, a pressure bearing face provided at the holding member and configured to bear pressure, an adjoining face provided at the holding member so as to adjoin the pressure bearing face and configured to undergo deformation in accordance with the pressure borne by the pressure bearing face, and an elongate piezoelectric substrate arranged on the adjoining face.

公开(公告)号：US20180269377A1

公开(公告)日：2018-09-20

申请号：US15535369

申请日：2015-12-02

Applicant: MITSUI CHEMICALS, INC.

Inventor： Kazuhiro TANIMOTO ,  Mitsunobu YOSHIDA ,  Shigeo NISHIKAWA

IPC: H01L41/193 ,  B29C47/00 ,  B29C55/00 ,  B29C55/06 ,  B29C71/02 ,  B05D3/02 ,  B05D3/06 ,  C08L67/04 ,  C08L65/00 ,  C08L33/10 ,  C09D5/24 ,  C09D165/00 ,  C09D133/10

CPC classification number: H01L41/193 ,  B05D3/0254 ,  B05D3/067 ,  B29C48/0018 ,  B29C48/022 ,  B29C48/08 ,  B29C55/005 ,  B29C55/06 ,  B29C71/02 ,  B29C2071/022 ,  B29C2071/025 ,  B29K2067/046 ,  B29L2007/008 ,  B32B7/02 ,  B32B27/18 ,  B32B27/36 ,  C08L33/10 ,  C08L65/00 ,  C08L67/04 ,  C08L2201/04 ,  C08L2203/20 ,  C08L2205/025 ,  C09D5/24 ,  C09D133/10 ,  C09D165/00

Abstract: A layered body including: a crystalline polymeric piezoelectric body having a standardized molecular orientation MORc of from 2.0 to 10.0 measured by a microwave transmission-type molecular orientation meter based on a reference thickness of 50 μm; and a surface layer which is disposed so that at least a part of the surface layer contacts the crystalline polymeric piezoelectric body, which has a surface resistivity of from 1×106 Ω/sq to 1×1012 Ω/sq, and which contains an electroconductive material (A) and a polymer (B).

公开(公告)号：US20170301854A1

公开(公告)日：2017-10-19

申请号：US15516930

申请日：2015-10-20

Applicant: Mitsui Chemicals, Inc.

Inventor： Katsutoshi OZAKI ,  Kazuhiro TANIMOTO ,  Keisuke SATO ,  Masaki AMANO

IPC: H01L41/18 ,  C08J5/18 ,  B29C55/12 ,  B29K67/00

CPC classification number: H01L41/18 ,  B29C55/12 ,  B29K2067/046 ,  B29K2995/0003 ,  C08J5/18 ,  C08J2367/04 ,  H01L41/09 ,  H01L41/1132 ,  H01L41/193 ,  H01L41/333 ,  H01L41/45

Abstract: Provided is a polymeric piezoelectric film including a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and having optical activity, in which a crystallinity of the film measured by a DSC method is from 20% to 80%, a product of a standardized molecular orientation MORc measured by a microwave transmission-type molecular orientation meter based on a reference thickness of 50 μm and the crystallinity is from 40 to 700, and, when a refractive index in a slow axis direction in the film surface is nx, a refractive index in a fast axis direction in the film surface is ny, a refractive index in a thickness direction of the film is nz, and an Nz coefficient=(nx−nz)/(nx−ny), the Nz coefficient is from 1.108 to 1.140.