Patents by Inventor Mei Wei
Mei Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7435516Abstract: The present invention provides a photosensitive material for non-substrate liquid crystal display. This photosensitive material includes photo-initiator selected from the free-radical type or cation type photo-initiator or mixture thereof, photosensitive polymerizable monomers or oligomers selected from the group consisting of double-bond compounds, compounds having epoxy functional group and mixtures thereof, and modifier selected from the group consisting of long-alkyl-chain functional group, silicone-alkyl compounds, double-bond compounds and mixtures thereof. The photosensitive material can surround liquid crystal display cell and separate from assisting substrates that a non-substrate liquid crystal cell surrounded by photosensitive material is acquired.Type: GrantFiled: October 18, 2007Date of Patent: October 14, 2008Assignee: Industrial Technology Research InstituteInventors: Yuung Ching Sheen, Juh Shyong Lee, Wen Ping Chuang, Yih Her Chang, Su Mei Wei
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Patent number: 7425282Abstract: A polymer liquid crystal device. The polymer liquid crystal device is fabricated by the following steps. A first substrate is provided, and a coating of a photosensitive composition is formed on the first substrate. Next, a second substrate is disposed on the first substrate. Finally, the coating is completely cured without a mask, forming a polymer dispersed liquid crystal film between the first and second substrate. Furthermore, the coating can also be cured with mask, forming a phase separation composite film between the first and second substrate.Type: GrantFiled: June 7, 2006Date of Patent: September 16, 2008Assignee: Industrial Technology Research InstituteInventors: Yuung-Ching Sheen, Wen-Ping Chuang, Shu-Mei Wei
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Publication number: 20080044597Abstract: The present invention provides a photosensitive material for non-substrate liquid crystal display. This photosensitive material includes photo-initiator selected from the free-radical type or cation type photo-initiator or mixture thereof, photosensitive polymerizable monomers or oligomers selected from the group consisting of double-bond compounds, compounds having epoxy functional group and mixtures thereof, and modifier selected from the group consisting of long-alkyl-chain functional group, silicone-alkyl compounds, double-bond compounds and mixtures thereof. The photosensitive material can surround liquid crystal display cell and separate from assisting substrates that a non-substrate liquid crystal cell surrounded by photosensitive material is acquired.Type: ApplicationFiled: October 18, 2007Publication date: February 21, 2008Applicant: Industrial Technology Research InstituteInventors: Yuung-Ching SHEEN, Juh-Shyong LEE, Wen-Ping CHUANG, Yih-Her CHANG, Su-Mei WEI
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Patent number: 7304814Abstract: A compact spectrometer operable in a wavelength range of 4.5 or more microns includes an entrance slit, a collimating mirror, a grating, a focusing mirror and a first focal plane. At least some radiation passing through the slit follows an optical path in which at least some radiation passing through the slit is reflected by the collimating mirror onto the grating, which in turn reflects at least some radiation onto the focusing mirror, which in turn reflects and focuses at least some radiation at a first focal plane and onto the two-dimensional array of detectors. Each column in the two-dimensional array of detectors corresponds to a wavelength in the 4.5 or more micron range, the two-dimensional array includes a plurality of columns that collectively correspond to wavelengths spanning the 4.5 or more micron range, and each adjacent pair of columns in the two-dimensional array of detectors corresponds to two wavelengths that differ by an equal amount.Type: GrantFiled: May 31, 2006Date of Patent: December 4, 2007Assignee: Wilmington Infrared Technologies, Inc.Inventor: Mei-Wei Tsao
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Publication number: 20070255422Abstract: A bone-repair composite includes a core and a sheath. The core is a first primary unit including a combination of a first set of yarns coated with a calcium phosphate mineral layer. The first set of yarns being made from a first group of one ore more polymers. The sheath is a second primary unit a combination of a second set of yarns or one or more polymer coatings. The second set of yarns being made from a second group of one or more polymers, wherein the composite is made by covering the core with the sheath, and the composite is compression molded to allow the sheath to bond to the core. The bone-repair composite has a bending modulus comparable to that of a mammalian bone, such that the ratio of the core to the sheath is provided to maximize the mechanical strength of the bone-repair composite to mimic the mammalian bone.Type: ApplicationFiled: April 25, 2007Publication date: November 1, 2007Inventors: Mei Wei, James Olson, Montgomery Shaw
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Publication number: 20070184299Abstract: A ceramic coating with gradient density/porosity and/or incorporated biologically active agents can be fabricated on the surface of substrates, including the surface of implantable medical devices.Type: ApplicationFiled: January 4, 2007Publication date: August 9, 2007Inventors: Mei Wei, Haibo Qu, Xiaohua Yu
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Publication number: 20070063171Abstract: A polymer liquid crystal device. The polymer liquid crystal device is fabricated by the following steps. A first substrate is provided, and a coating of a photosensitive composition is formed on the first substrate. Next, a second substrate is disposed on the first substrate. Finally, the coating is completely cured without a mask, forming a polymer dispersed liquid crystal film between the first and second substrate. Furthermore, the coating can also be cured with mask, forming a phase separation composite film between the first and second substrate.Type: ApplicationFiled: June 7, 2006Publication date: March 22, 2007Inventors: Yuung-Ching Sheen, Wen-Ping Chuang, Shu-Mei Wei
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Publication number: 20060222839Abstract: The present invention provides a photosensitive material for non-substrate liquid crystal display. This photosensitive material includes photo-initiator selected from the free-radical type or cation type photo-initiator or mixture thereof, photosensitive polymerizable monomers or oligomers selected from the group consisting of double-bond compounds, compounds having epoxy functional group and mixtures thereof, and modifier selected from the group consisting of long-alkyl-chain functional group, silicone-alkyl compounds, double-bond compounds and mixtures thereof. The photosensitive material can surround liquid crystal display cell and separate from assisting substrates that a non-substrate liquid crystal cell surrounded by photosensitive material is acquired.Type: ApplicationFiled: March 15, 2006Publication date: October 5, 2006Applicant: Industrial Technology Research InstituteInventors: Yuung-Ching Sheen, Juh-Shyong Lee, Wen-Ping Chuang, Yih-Her Chang, Su-Mei Wei
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Publication number: 20060215166Abstract: A compact spectrometer operable in a wavelength range of 4.5 or more microns includes an entrance slit, a collimating mirror, a grating, a focusing mirror and a first focal plane. At least some radiation passing through the slit follows an optical path in which at least some radiation passing through the slit is reflected by the collimating mirror onto the grating, which in turn reflects at least some radiation onto the focusing mirror, which in turn reflects and focuses at least some radiation at a first focal plane and onto the two-dimensional array of detectors. Each column in the two-dimensional array of detectors corresponds to a wavelength in the 4.5 or more micron range, the two-dimensional array includes a plurality of columns that collectively correspond to wavelengths spanning the 4.5 or more micron range, and each adjacent pair of columns in the two-dimensional array of detectors corresponds to two wavelengths that differ by an equal amount.Type: ApplicationFiled: May 31, 2006Publication date: September 28, 2006Applicant: Wilmington Infrared Technologies, Inc.Inventor: Mei-Wei Tsao
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Patent number: 7075082Abstract: A compact spectrometer operable in a wavelength range of 4.5 or more microns includes an entrance slit, a collimating mirror, a grating, a focusing mirror and a first focal plane. At least some radiation passing through the slit follows an optical path in which at least some radiation passing through the slit is reflected by the collimating mirror onto the grating, which in turn reflects at least some radiation onto the focusing mirror, which in turn reflects and focuses at least some radiation at a first focal plane and onto the two-dimensional array of detectors. Each column in the two-dimensional array of detectors corresponds to a wavelength in the 4.5 or more micron range. The two-dimensional array includes a plurality of columns that collectively correspond to wavelengths spanning the 4.5 or more micron range, and each adjacent pair of columns in the two-dimensional array of detectors corresponds to two wavelengths that differ by an equal amount.Type: GrantFiled: June 22, 2004Date of Patent: July 11, 2006Assignee: Wilmington Infrared Technology, Inc.Inventor: Mei-Wei Tsao
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Publication number: 20050279941Abstract: A compact spectrometer operable in a wavelength range of 4.5 or more microns includes an entrance slit, a collimating mirror, a grating, a focusing mirror and a first focal plane. At least some radiation passing through the slit follows an optical path in which at least some radiation passing through the slit is reflected by the collimating mirror onto the grating, which in turn reflects at least some radiation onto the focusing mirror, which in turn reflects and focuses at least some radiation at a first focal plane and onto the two-dimensional array of detectors. Each column in the two-dimensional array of detectors corresponds to a wavelength in the 4.5 or more micron range, the two-dimensional array includes a plurality of columns that collectively correspond to wavelengths spanning the 4.5 or more micron range, and each adjacent pair of columns in the two-dimensional array of detectors corresponds to two wavelengths that differ by an equal amount.Type: ApplicationFiled: June 22, 2004Publication date: December 22, 2005Inventor: Mei-Wei Tsao
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Patent number: 6943353Abstract: An apparatus and method capable of providing spatially multiplexed IR spectral information simultaneously in real-time for multiple samples or multiple spatial areas of one sample using IR absorption phenomena requires no moving parts or Fourier Transform during operation, and self-compensates for background spectra and degradation of component performance over time. IR spectral information and chemical analysis of the samples is determined by using one or more IR sources, sampling accessories for positioning the samples, optically dispersive elements, a focal plane array (FPA) arranged to detect the dispersed light beams, and a processor and display to control the FPA, and display an IR spectrograph. Fiber-optic coupling can be used to allow remote sensing. Portability, reliability, and ruggedness is enhanced due to the no-moving part construction. Applications include determining time-resolved orientation and characteristics of materials, including polymer monolayers.Type: GrantFiled: April 1, 2004Date of Patent: September 13, 2005Assignee: UD Technology CorporationInventors: Douglas L. Elmore, John F. Rabolt, Mei-Wei Tsao
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Publication number: 20050107522Abstract: The present invention relates to a release agent for non-substrate liquid crystal display, comprising (a) 2-20 wt % of compounds selected from the group consisting of silicone, fluorine compounds and mixtures thereof, and (b) 0.5-30 wt % (based on the weight of (a)) of release modifier. The release agent is applied to the assisting substrates in the process of non-substrate liquid crystal display, so the assembled liquid crystal display element can be separated from the assisting substrates and a non-substrate liquid crystal display element is acquired.Type: ApplicationFiled: March 3, 2004Publication date: May 19, 2005Applicant: Industrial Technology Research InstituteInventors: Yuung-Ching Sheen, Juh-Shyong Lee, Wen-Ping Chuang, Yih-Her Chang, Su-Mei Wei
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Publication number: 20050106496Abstract: The present invention provides a photosensitive material for non-substrate liquid crystal display. This photosensitive material includes photo-initiator selected from the free-radical type or cation type photo-initiator or mixture thereof, photosensitive polymerizable monomers or oligomers selected from the group consisting of double-bond compounds, compounds having epoxy functional group and mixtures thereof, and modifier selected from the group consisting of long-alkyl-chain functional group, silicone-alkyl compounds, double-bond compounds and mixtures thereof. The photosensitive material can surround liquid crystal display cell and separate from assisting substrates that a non-substrate liquid crystal cell surrounded by photosensitive material is acquired.Type: ApplicationFiled: March 5, 2004Publication date: May 19, 2005Applicant: Industrial Technology Research InstituteInventors: Yuung-Ching Sheen, Juh-Shyong Lee, Wen-Ping Chuang, Yih-Her Chang, Su-Mei Wei
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Publication number: 20040195511Abstract: An apparatus and method capable of providing spatially multiplexed IR spectral information simultaneously in real-time for multiple samples or multiple spatial areas of one sample using IR absorption phenomena requires no moving parts or Fourier Transform during operation, and self-compensates for background spectra and degradation of component performance over time. IR spectral information and chemical analysis of the samples is determined by using one or more IR sources, sampling accessories for positioning the samples, optically dispersive elements, a focal plane array (FPA) arranged to detect the dispersed light beams, and a processor and display to control the FPA, and display an IR spectrograph. Fiber-optic coupling can be used to allow remote sensing. Portability, reliability, and ruggedness is enhanced due to the no-moving part construction. Applications include determining time-resolved orientation and characteristics of materials, including polymer monolayers.Type: ApplicationFiled: April 1, 2004Publication date: October 7, 2004Applicant: UD TECHNOLOGY CORPORATIONInventors: Douglas L. Elmore, John F. Rabolt, Mei-Wei Tsao
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Patent number: 6784428Abstract: An apparatus and method capable of providing IR spectral information using IR absorption phenomena requires no moving parts or Fourier Transform during operation. IR spectral information and chemical analysis of a sample in a sample containing functional groups is determined by using an IR source, a sampling accessory for positioning the sample volume, an optically dispersive element, a focal plane array (FPA) arranged to detect the dispersed light beam, and a processor and display to control the FPA, and display an IR spectrograph. Fiber-optic coupling allows remote sensing, and portability, reliability, and ruggedness is enhanced due to the no-moving part construction. Use of the apparatus and method has broad industrial and environmental application, including measurement of thickness and chemical composition of various films, coatings, and liquids, and may also be used in real-time sensing of hazardous materials, including chemical and biological warfare agents.Type: GrantFiled: October 29, 2001Date of Patent: August 31, 2004Assignee: UD Technology CorporationInventors: John F. Rabolt, Mei-Wei Tsao
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Patent number: 6746229Abstract: A pressure thermoforming machine comprises a lower bracket having a molding half moveably supported thereon. An upper bracket is securely connected to the lower bracket. An upper molding half is moveably supported thereon. Driving blocks are moveably and oppositely mounted on the lower bracket. Each driving block includes an inclined surface and the driving blocks are moveably interconnected such that the driving blocks move toward and away from each other simultaneously. Rollers are mounted on the lower molding half with respect to the inclined surface of the driving block such that the lower molding half moves upward when the driving blocks move toward each other, and lower downward when the driving blocks move away from each other.Type: GrantFiled: July 17, 2001Date of Patent: June 8, 2004Inventor: Kuei-mei Wei Chang
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Publication number: 20030071216Abstract: An apparatus and method capable of providing IR spectral information using IR absorption phenomena requires no moving parts or Fourier Transform during operation. IR spectral information and chemical analysis of a sample in a sample containing functional groups is determined by using an IR source, a sampling accessory for positioning the sample volume, an optically dispersive element, a focal plane array (FPA) arranged to detect the dispersed light beam, and a processor and display to control the FPA, and display an IR spectrograph. Fiber-optic coupling allows remote sensing, and portability, reliability, and ruggedness is enhanced due to the no-moving part construction. Use of the apparatus and method has broad industrial and environmental application, including measurement of thickness and chemical composition of various films, coatings, and liquids, and may also be used in real-time sensing of hazardous materials, including chemical and biological warfare agents.Type: ApplicationFiled: October 29, 2001Publication date: April 17, 2003Applicant: University of DelawareInventors: John F. Rabolt, Mei-Wei Tsao
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Publication number: 20030017228Abstract: A pressure thermoforming machine comprises a lower bracket having a molding half moveably supported thereon. An upper bracket is securely connected to the lower bracket. An upper molding half is moveably supported thereon. Driving blocks are moveably and oppositely mounted on the lower bracket. Each driving block includes an inclined surface and the driving blocks are moveably interconnected such that the driving blocks move toward and away from each other simultaneously. Rollers are mounted on the lower molding half with respect to the inclined surface of the driving block such that the lower molding half moves upward when the driving blocks move toward each other, and lower downward when the driving blocks move away from each other.Type: ApplicationFiled: July 17, 2001Publication date: January 23, 2003Inventor: Kuei-mei Wei Chang
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Publication number: 20030006527Abstract: The present invention relates to the fabrication of elastomeric replicas or stamps of surfaces from a stamp master, wherein the master has geometrical features below 100 &mgr;m. The elastomeric stamps of the present invention are prepared from injection-molded plastic stamp masters. The stamps are used to replicate the surfaces or patterns of the stamp master on a substrate using soft lithography techniques.Type: ApplicationFiled: June 21, 2002Publication date: January 9, 2003Inventors: John F. Rabolt, Mei-Wei Tsao