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1. 发明专利

JPH10153780A LIQUID CRYSTAL CELL PARAMETER DETECTING METHOD 失效
公开(公告)号：JPH10153780A
公开(公告)日：1998-06-09
申请号：JP31372096
申请日：1996-11-25
申请人： SATO SUSUMU , MEIRIYOU TEKUNIKA KK
发明人： SATO SUSUMU , SHU SUGURU , KA SEN , TOGASHI YOSHIHIRO
IPC分类号： G01B11/06 , G01J4/00 , G01N21/21 , G02B11/06 , G02F1/13 , G02F1/1337
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal cell parameter detecting method, which can detect parameters, such as the thickness of the liquid crystal layer of a liquid crystal, the twist angle of orientation of liquid crystal molecules, precisely in a short time with a simple constitution. SOLUTION: The light from a light source 1 is made incident on the liquid crystal cell 3 through a polarizing plate 2 and an optical detector 6 detects the transmitted light intensity through a polarizing plate 4. Then the output of the optical detector 6 is measured when the polarizing direction of the polarizing plate 4 is set to X-axial direction and Y-axial direction, and when the X and Y axes cross at 45 deg., and when a 1/4 wavelength plate 5 is inserted between the polarizing plate 3 and liquid crystal cell 3 so that its axial direction is at 45 deg. to the polarizing direction of the polarizing plate 4 while the polarizing direction of the polarizing plate 4 is set at 45 deg. to the X and Y axes. Then, stroke parameters are found from the respective measured values and the thickness of the liquid crystal layer, the twist angle of orientation of liquid crystal molecules, etc., are found from the found Stokes' parameters.

2. 发明专利

JPH1184335A LIQUID CRYSTAL CELL PARAMETER DETECTING METHOD AND DEVICE 失效
公开(公告)号：JPH1184335A
公开(公告)日：1999-03-26
申请号：JP24882497
申请日：1997-09-12
申请人： SATO SUSUMU , MEIRIYOU TEKUNIKA KK
发明人： SATO SUSUMU , SHU SUGURU , KA SEN , TOGASHI YOSHIHIRO
IPC分类号： G01B11/06 , G01M11/00 , G01N21/23 , G02F1/13 , G02F1/133
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal cell parameter detecting method and device capable of detecting liquid crystal cell parameters such as the thickness of a liquid crystal layer, a twisted angle in the orientation of liquid crystal molecules in a short time with high accuracy with simple constitution. SOLUTION: The polarization direction of a polarizing plate 4 is made to an X-axis direction and an liquid crystal cell 3 is rotated at a position where the transmission intensity of light passing through the liquid crystal 3 becomes an extreme value (the maximum value or the minimum value) and the transmission intensity Ix at that time is measured. Then, transmission intensities Iy, I45, Iq45 being respective intensities at the time when the polarization direction of the plate 4 is made to a Y-axis direction, at the time when the polarization direction of the plate 4 is made to form the angle of 45 degrees with the X-axis and the Y-axis and at the time when a quaterwave plate 5 is inserted between the plate 4 and the liquid crystal cell 3 while the axial direction of the plate 5 is inclined by 45 degrees with respect to the polarization direction of the plate 4 in the state that the polarization direction of the plate 4 is made to form the angle of 45 degrees with the X-axis and the Y-axis are measured. Then, a Stokes parameter is calculated based on the respective measured values Ix, Iy, I45, Iq45 and the thickness of a liquid crystal layer and a twisted angle in the orientation of liquid crystal molecules or the like are calculated based on the calculated Stokes parameter.

3. 发明专利

JPH1183730A METHOD AND DEVICE FOR DETECTING 2D LIQUID CRYSTAL CELL PARAMETER 失效
公开(公告)号：JPH1183730A
公开(公告)日：1999-03-26
申请号：JP24882397
申请日：1997-09-12
申请人： SATO SUSUMU , MEIRIYOU TEKUNIKA KK
发明人： SATO SUSUMU , SHU SUGURU , KA SEN , TOGASHI YOSHIHIRO
IPC分类号： G01B11/02 , G01M11/00 , G01N21/21 , G02F1/13
摘要： PROBLEM TO BE SOLVED: To provide a method and device for detecting 2D liquid crystal cell parameter wherein, with a simple configuration, such parameters as thickness of a liquid crystal layer at a plurality of points of a liquid crystal cell, kink angle in orientation of liquid crystal molecule, etc., are detected at the same time with precision in a short time. SOLUTION: The light from a light source 1 is allowed to pass a polarizing plate 3, a liquid crystal cell 4, and a polarizing plate 5, and transmission light intensity of the liquid crystal cell 4 at a plurality of points is measured with photo-detector 7. Transmission light intensity of the liquid crystal cell 4 at a plurality of points is measured when polarizing direction of the polarizing plate 5 is X-axis direction, when it is Y-axis direction, when it forms 45 deg. with the X-axis and Y-axis, or when a 1/4 wavelength 6 is so inserted between the polarizing plate 5 and the liquid crystal cell 4 that its axis direction is tilted by 45 deg. against the polarizing direction of the polarizing plate 5 while the polarizing direction of the polarizing plate 5 forms 45 with the X-axis and Y-axis. Stokes' parameter, at a plurality of points, of the liquid crystal cell 4 is obtained from a measured value, and from the obtained Stoke' parameter of the liquid crystal cell 4 at a plurality of points, thickness of a liquid crystal layer, at a plurality of points, of the liquid crystal cell 4 and a kink angle of orientation of liquid crystal molecule are obtained at the same time.

4. 发明专利

JPH09211459A ORIENTATION TREATMENT OF LIQUID CRYSTAL SUBSTRATE AND PRODUCTION OF LIQUID CRYSTAL CELL 失效
公开(公告)号：JPH09211459A
公开(公告)日：1997-08-15
申请号：JP4414696
申请日：1996-02-05
申请人： SATO SUSUMU , MEIRIYOU TEKUNIKA KK
发明人： SATO SUSUMU , TOGASHI YOSHIHIRO
IPC分类号： G02F1/1337
摘要： PROBLEM TO BE SOLVED: To eliminate the need for a rubbing treatment and to obtain a uniform and good orientation characteristic even with a large-area substrate by a simple stage by applying liquid crystals by a roller or blade on the surface of a film for orientation deposited the substrate while allowing the liquid crystals to flow in one direction, holding the substrate for a prescribed period of time and forming a liquid crystal oriented layer. SOLUTION: While the roller 1 is lightly pressed onto the film 5 for orientation, the roller is driven in an arrow X direction, and while the roller 1 is kept rotated in an arrow R direction, the roller is rolled on the substrate 3 deposited with the film 5 for orientation. The liquid crystals 10 on the front side of the roller flow in the arrow direction X, by which the liquid crystal coating layer 9 is formed in the state of the liquid crystal molecules heading this flow direction. Similarly, the liquid crystal coating layer 9 is formed even if the blade is moved while its front end is pressed. The comparison made between the roller 1 and the blade reveals that the roller 1 less flaws the film 5 for orientation, allows the industrial utilization thereof and is high in productivity. The coating by the roller 1 is thus superior.

5. 发明专利

JP2001356072A PRETILT ANGLE DETECTION METHOD AND APPARATUS 失效
公开(公告)号：JP2001356072A
公开(公告)日：2001-12-26
申请号：JP2000312529
申请日：2000-10-12
申请人： MITSUBISHI ELECTRIC CORP , MEIRIYOU TEKUNIKA KK
发明人： KURATA TETSUYUKI , NISHIOKA TAKAHIRO , SATO SUSUMU , TOGASHI YOSHIHIRO
IPC分类号： G01N21/21 , G01B11/26 , G01M11/00 , G02F1/13 , G02F1/1337
摘要： PROBLEM TO BE SOLVED: To enable detecting of a pretilt angle of an element, with the orientation of molecules twisted between the incident side and the emission side thereof, easily and in a shorter time with a simple measuring apparatus. SOLUTION: A detector is constituted of a power source 1, a polarizer 2, a liquid crystal cell 3, a 1/4 wavelength plate 4, an analyzer 5, an photo detector 6, a processor and the like. The processor obtains the intensity of the transmission light transmitted through the liquid crystal cell 3 at a plurality of angles of incidence from the photo detector 6. The processor also detects stokes parameters corresponding to the plurality of angles of incidence based on the intensity of the transmission light corresponding to the plurality of angles of incidence. Moreover, apparent retardations are detected corresponding to the plurality of angles of incidence based on the stokes parameters corresponding to the plurality of angles of incidence. The pretilt angle of the liquid crystal cell 3 is detected based on the apparent retardations corresponding to the plurality of angles of incidence thus detected.

6. 发明专利

JP2005164970A Method and device for detecting parameter of liquid crystal element 有权
标题翻译：用于检测液晶元件参数的方法和装置
公开(公告)号：JP2005164970A
公开(公告)日：2005-06-23
申请号：JP2003403819
申请日：2003-12-02
申请人： Meiriyou Tekunika Kk , Mitsubishi Electric Corp , 三菱電機株式会社 , 名菱テクニカ株式会社
发明人： KURATA TETSUYUKI , SATAKE TETSUYA , NISHIOKA TAKAHIRO , MAEHARA TOSHIAKI , KANEKO MAKOTO , OKABE MASAKI , SATO SUSUMU
IPC分类号： G01M11/00 , G02F1/13 , G02F1/1337
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for detecting parameters of a liquid crystal element with which a twist angle and thickness of the liquid crystal element are accurately detected even in the case of the liquid crystal element of which the azimuth angles of directors of liquid crystal molecules on a substrate interface are unknown. SOLUTION: Monochromatized light linearly polarized in the y-axis direction with a polarizer 22 is made incident nearly parallel to the direction normal to the incident side substrate of the liquid crystal element 20. Light transmitted by the liquid crystal element 20 is received with a detector 24 via an analyzer 23. The detector 24 outputs an output signal showing intensity of inputted light. A processor 25 detects a set of the output signals of the detector 24 in the case transmission axis directions of the analyzer 23 are set in arbitrary angular directions of ω, (ω+45°), (ω+90°) and in the state in which angles of the liquid crystal element 20 are set to three or more angles α. Then a set of parameters S 1 , S 2 is calculated by using the set of the output signals of the detector, and the twist angle Φ and the thickness d of the liquid crystal element 20 are detected by using the calculated set of the parameters S 1 , S 2 . COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于检测液晶元件的参数的方法和装置，其中即使在液晶元件的液晶元件的情况下也可精确地检测液晶元件的扭曲角度和厚度，液晶分子在衬底界面上的方位角是未知的。解决方案：使用偏振器22在y轴方向上线偏振的单色光被大致平行于与液晶元件20的入射侧基板垂直的方向入射。接收由液晶元件20透射的光检测器24输出表示输入光强度的输出信号。在分析器23的传输轴方向设定为ω，（ω+ 45°），（ω+ 90°）的任意角度方向的情况下，处理器25检测检测器24的输出信号的集合，并且在状态将液晶元件20的角度设定为三角以上的角度α。然后通过使用检测器的输出信号的集合和液体的扭曲角Φ和厚度d来计算一组参数S 1 ，S 2 通过使用计算出的参数S 1 S 2 的组来检测晶体元件20。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2002243418A METHOD AND DEVICE FOR DETECTING GAP OF LIQUID CRYSTAL PANEL 审中-公开
公开(公告)号：JP2002243418A
公开(公告)日：2002-08-28
申请号：JP2001379058
申请日：2001-12-12
申请人： MITSUBISHI ELECTRIC CORP , MEIRIYOU TEKUNIKA KK
发明人： KURATA TETSUYUKI , SATAKE TETSUYA , NISHIOKA TAKAHIRO , SATO SUSUMU , TOGASHI YOSHIHIRO , MAEHARA TOSHIAKI
IPC分类号： G01B11/14 , G02F1/13
摘要： PROBLEM TO BE SOLVED: To provide a gap detecting method and a detecting device for a liquid crystal panel which can easily detect the gap of the liquid crystal panel in a short time through simple constitution. SOLUTION: The light from a light source 1 after being linearly polarized by a polarizer 11 travels through a half-mirror 12 almost in parallel to the normal of a reflection type liquid crystal panel 13 and enters on the reflection type liquid crystal panel 13. The reflected light reflected by the reflection type liquid crystal panel 13 passes through the half-mirror 12 and an analyzer 14 and is photodetected by a detector 15. In this state, the reflection type liquid crystal panel 13 is rotated on an axis nearly parallel to the normal of the reflection type liquid crystal panel 13 and the angle (quenching angle) where the output signal of the detector 15 becomes minimum is measured. According to the measured quenching angle, the gap of the reflection type liquid crystal panel 13 is detected. Here, the transmission-axis direction of the analyzer 14 is set nearly parallel and nearly orthogonal to the polarizing direction of the incident light, the output of the detector 15 is measured, and the gap of the reflection type liquid crystal panel 13 can be measured according to the measured signal.

8. 发明专利

GB2248929A Optical sensor for acidic/basic substances 未知
公开(公告)号：GB2248929A
公开(公告)日：1992-04-22
申请号：GB9118549
申请日：1991-08-29
申请人： MITSUBISHI ELECTRIC CORP , SATO SUSUMU
发明人： SATO SUSUMU , TOGASHI YOSHIHIRO , ITO NORIO , ISHII KOICHI , YASUDA SHINJI
IPC分类号： G01N21/77 , G01N21/27 , G01N21/78 , H02B13/055
摘要： A sensor 5 optically detects a colour reaction in a thin film 4 of colour indication material by means of transmitted light and reflected light to thereby detect the absence or presence of an acidic substance or a basic substance. Solid material constituting the thin film is vapour-deposited on a surface of a prism and the thickness of the thin film is in the range 100 ANGSTROM - 600 ANGSTROM . The sensor is applicable to electrical apparatus with gaseous (SF6) insulation, to detect decomposition of the gas as a result of arcing etc.

9. 发明专利

HK217996A Abnormality detecting device 未知
公开(公告)号：HK217996A
公开(公告)日：1996-12-27
申请号：HK217996
申请日：1996-12-19
申请人： MITSUBISHI ELECTRIC CORP , SATO SUSUMU
发明人： SATO SUSUMU , TOGASHI YOSHIHIRO , ITO NORIO , ISHII KOICHI , YASUDA SHINJI
IPC分类号： G01R31/00 , G01N21/27 , G01N21/77 , G01N21/78 , G01R31/12 , H01H33/56

10. 发明专利

GB2248929B Sensor 未知
公开(公告)号：GB2248929B
公开(公告)日：1994-10-05
申请号：GB9118549
申请日：1991-08-29
申请人： MITSUBISHI ELECTRIC CORP , SATO SUSUMU
发明人： SATO SUSUMU , TOGASHI YOSHIHIRO , ITO NORIO , ISHII KOICHI , YASUDA SHINJI
IPC分类号： G01N21/77 , G01N21/27 , G01N21/78 , H02B13/055 , G01N21/80

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