Patents by Inventor Shih-Hsien Liu
Shih-Hsien Liu 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: 8383008Abstract: A liquid crystal composition and a liquid crystal display employing the same are provided. The liquid crystal composition includes: 100 parts by weight of at least one nematic liquid crystal; 1-20 parts by weight of at least one photosensitive chiral compound; and 1-20 parts by weight of at least one non-photosensitive chiral compound.Type: GrantFiled: April 28, 2011Date of Patent: February 26, 2013Assignee: Industrial Technology Research InstituteInventors: Hui-Fang Tseng, Chih-Lung Chin, Wan-Chi Chen, Chun-Ming Wu, Kung-Lung Cheng, Shih-Hsien Liu
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Patent number: 8287969Abstract: An isosorbide derivative of Formula (I) is provided. In Formula (I), Z is —CH2—CH2—, —CH?CH—, —C?C—, —CH2—O—, —CH2—S—, —CH?N—O—, —CO—O—, —CO—S—, single bond, -ph-, —CO—O-ph- or —CO—O-ph-CO—O—, and ph represents benzene, R1 and R2 are, independently, C1-25 alkyl, —CN, —NCS, —CX3 or —OCX3, and X represents halogen, and m and n are, independently, 0, 1 or 2. The invention also provides a liquid crystal display including the isosorbide derivative.Type: GrantFiled: December 15, 2010Date of Patent: October 16, 2012Assignee: Industrial Technology Research InstituteInventors: Chun-Ming Wu, Kevin Lin, Shih-Hsien Liu, Chih-Lung Chin, An-Cheng Chen, Kung-Lung Cheng, Chien-Hsien Cheng
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Patent number: 8263799Abstract: The present invention relates to chiral binaphthyl compounds having good solubility and high helical twisting power. The chiral binaphthyl compounds as dopants in the liquid crystal compositions can help enhance the display quality of the liquid crystal panels.Type: GrantFiled: April 27, 2011Date of Patent: September 11, 2012Assignee: Industrial Technology Research InstituteInventors: Jian-Wen Lin, Chun-Ming Wu, Shih-Hsien Liu, Kung-Lung Cheng
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Publication number: 20120165528Abstract: The present invention relates to chiral binaphthyl compounds having good solubility and high helical twisting power. The chiral binaphthyl compounds as dopants in the liquid crystal compositions can help enhance the display quality of the liquid crystal panels.Type: ApplicationFiled: April 27, 2011Publication date: June 28, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jian-Wen Lin, Chun-Ming Wu, Shih-Hsien Liu, Kung-Lung Cheng
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Patent number: 8179761Abstract: A filter, including a direct-current (DC) tracking unit, a subtracter and a control unit, is provided. The DC tracking unit extracts a DC component of a radio-frequency (RF) signal and accordingly generates a level signal. The subtracter subtracts the level signal from the RF signal to generate a RF coupling signal. The control unit determines whether to transmit a setting signal to the DC tracking unit according to the level variation of the RF coupling signal, so as to adjust a characteristic parameter of the DC tracking unit.Type: GrantFiled: February 8, 2010Date of Patent: May 15, 2012Assignee: Sunplus Technology Co., Ltd.Inventors: Shih-Hsien Liu, Zhieng-Chung Chen
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Publication number: 20120105793Abstract: A liquid crystal composition and a liquid crystal display employing the same are provided. The liquid crystal composition includes: 100 parts by weight of at least one nematic liquid crystal; 1-20 parts by weight of at least one photosensitive chiral compound; and 1-20 parts by weight of at least one non-photosensitive chiral compound.Type: ApplicationFiled: April 28, 2011Publication date: May 3, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hui-Fang TSENG, Chih-Lung CHIN, Wan-Chi CHEN, Chun-Ming WU, Kung-Lung CHENG, Shih-Hsien LIU
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Publication number: 20120086902Abstract: An isosorbide derivative of Formula (I) is provided. In Formula (I), Z is —CH2—CH2—, —CH?CH—, —CH2—O—, —CH2—S—, —CH?N—O—, —CO—O—, —CO—S—, single bond, -ph-, —CO—O-ph- or —CO—O-ph-CO—O—, and ph represents benzene, R1 and R2 are, independently, C1-25 alkyl, —CN, —NCS, —CX3 or —OCX3, and X represents halogen, and m and n are, independently, 0, 1 or 2. The invention also provides a liquid crystal display including the isosorbide derivative.Type: ApplicationFiled: December 15, 2010Publication date: April 12, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chun-Ming Wu, Kevin Lin, Shih-Hsien Liu, Chih-Lung Chin, An-Cheng Chen, Kung-Lung Cheng, Chien-Hsien Cheng
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Publication number: 20120075976Abstract: A data recovery device including an analog to digital converter (ADC), a filtering-equalizing unit, a zero crossing detector, a data phase locked loop, a data mapping unit and an estimation unit is provided. The ADC converts a radio frequency signal to a plurality of sampling data points. The sampling data points are converted to a plurality of retiming data points and a clock signal by the filtering-equalizing unit, the zero crossing detector and the data phase locked loop. The data mapping unit selects a plurality of maximum data points and minimum data points from the returning data points, and determines whether to map the maximum data points and the minimum data points to other levels for partially reconstructing the retiming data points. The estimation unit recovers the reconstructed retiming data points to a modulation signal.Type: ApplicationFiled: March 4, 2011Publication date: March 29, 2012Applicant: SUNPLUS TECHNOLOGY CO., LTD.Inventors: Shih-Hsien Liu, Zhieng-Chung Chen
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Patent number: 8100065Abstract: A dust discharging system for a blast furnace includes a dust collector for collecting flue dust from flue gas produced from the blast furnace, a first discharge conduit connected to the dust collector, a separator connected to the first discharge conduit for separating residual flue gas present in the flue dust, and an airtight tank disposed below the first discharge conduit to receive the flue dust in a dry state separated from the residual flue gas.Type: GrantFiled: June 4, 2008Date of Patent: January 24, 2012Assignee: China Steel CorporationInventors: Shih-Hsien Liu, Ting Fu
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Patent number: 8059517Abstract: A method for generating an RFZC signal is provided. The method includes the following steps. First, an RF signal is received and the received RF signal is converted into an RF-ENVLP signal. Next, a DC offset of the RF signal is calibrated according to a variation of the RF-ENVLP signal so as to obtain a calibrated RF-ENVLP signal and obtain a gain according to the calibrated RF-ENVLP signal. Then, an RFZC signal is generated according to the calibrated RF-ENVLP signal and the gain.Type: GrantFiled: July 10, 2009Date of Patent: November 15, 2011Assignee: Sunplus Technology Co., Ltd.Inventors: Shih-Hsien Liu, Hsing-Sheng Huang, Sih-Kai Wang
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Patent number: 8055981Abstract: A control system determines read performance of an optical storage device according to lock performance of a re-timing signal. The control system includes a filtering and re-timing unit for receiving a radio frequency (RF) signal and outputting the re-timing signal and an un-corrected output signal, an error correction unit for receiving the un-corrected output signal and correcting an error bit according to a Reed-Solomon algorithm to generate a corrected output signal, a lock performance detector for receiving the re-timing signal and detecting the lock performance of the re-timing signal and then outputting a lock performance index, and a servo control loop for receiving the RF signal and the lock performance index and thus generating a servo control signal. When the lock performance index does not reach a threshold value, the servo control loop loads other control parameters to improve the read performance of the optical storage device.Type: GrantFiled: November 9, 2007Date of Patent: November 8, 2011Assignee: Sunplus Technology Co., Ltd.Inventors: Ching-Wen Ma, Zheng-Xiong Chen, Shih-Hsien Liu
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Patent number: 8007876Abstract: A liquid crystal display (LCD) and a fabrication method thereof are provided. The LCD includes a first substrate and a second substrate opposite to the first substrate. At least two layers of cholesteric liquid crystal layers are disposed between the first and the second substrates, wherein chiral dopants with different optical activities are respectively added in the cholesteric liquid crystal layers, and the chiral dopants have the same chemical structure. The fabrication method includes providing a first substrate and a second substrate opposite to the first substrate. A plurality of chiral dopants with different optical activities and having the same chemical structure are mixed into the same liquid crystal host respectively to form at least two kinds of cholesteric liquid crystal materials. Then, the cholesteric liquid crystal materials are disposed between the first and the second substrates to form at least two layers of cholesteric liquid crystal layers.Type: GrantFiled: June 23, 2009Date of Patent: August 30, 2011Assignee: Industrial Technology Research InstituteInventors: Chun-Ming Wu, Shih-Hsien Liu, Chih-Lung Chin, Kung-Lung Cheng, An-Cheng Chen
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Patent number: 8009522Abstract: A focusing servo device, an optical disc recording/reproducing device and a focus-searching method are provided for making a focus of an energy beam emitted by a pick-up unit to fall in an accessible range of a data layer of a disc. The method comprises the following steps: recording the deviation of the focal point during each predetermined period when the focal point of the energy beam is fallen in the accessible range such that the optical disc recording/reproducing device is operated in a feedback control mode; determining a focus-searching range based on the recorded deviation of the focal point; and moving the focal point in the focus-searching range to make the focal point to fall in the accessible range when the focal point of the energy beam is fallen out of the accessible range such that the optical disc recording/reproducing device is operated in a focus-searching mode.Type: GrantFiled: August 4, 2005Date of Patent: August 30, 2011Assignee: Sunplus Technology Co., Ltd.Inventors: Chun-Nan Liu, Shih-Hsien Liu
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Publication number: 20110128834Abstract: A filter, including a direct-current (DC) tracking unit, a subtracter and a control unit, is provided. The DC tracking unit extracts a DC component of a radio-frequency (RF) signal and accordingly generates a level signal. The subtracter subtracts the level signal from the RF signal to generate a RF coupling signal. The control unit determines whether to transmit a setting signal to the DC tracking unit according to the level variation of the RF coupling signal, so as to adjust a characteristic parameter of the DC tracking unit.Type: ApplicationFiled: February 8, 2010Publication date: June 2, 2011Applicant: SUNPLUS TECHNOLOGY CO., LTD.Inventors: Shih-Hsien Liu, Zhieng-Chung Chen
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Patent number: 7851033Abstract: A photo-sensitive adhesive for a flexible liquid crystal display is provided, comprising the following components: an urethane oligomer; a reactive monomer with phenyl group; and a photo-initiator. In an embodiment, the phenyl group of the reactive monomer has a weight ratio of 40 wt %, base on the total weight of the reactive monomer.Type: GrantFiled: April 28, 2008Date of Patent: December 14, 2010Assignee: Industrial Technology Research InstituteInventors: Wen-Pin Chuang, Su-Mei Wei, Kung-Lung Cheng, Shih-Hsien Liu
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Patent number: 7820251Abstract: The disclosed is a liquid crystal compound and method for manufacturing the same. The liquid crystal compound can be used alone or mixed with commercially available liquid crystal compounds. Because low rotational viscosity of the liquid crystal compound of the invention, it can be used as positive or negative dielectric anisotropic liquid crystal composition.Type: GrantFiled: September 21, 2009Date of Patent: October 26, 2010Assignee: Industrial Technology Research InstituteInventors: An-Cheng Chen, Pei-Chen Huang, Kung-Lung Cheng, Shih-Hsien Liu
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Publication number: 20100226221Abstract: A method for generating an RFZC signal is disclosed. The method includes the following steps. First, an RF signal is received and the received RF signal is converted into an RF-ENVLP signal. Next, a DC offset of the RF signal is calibrated according to a variation of the RF-ENVLP signal so as to obtain a calibrated RF-ENVLP signal and obtain a gain according to the calibrated RF-ENVLP signal. Then, an RFZC signal is generated according to the calibrated RF-ENVLP signal and the gain.Type: ApplicationFiled: July 10, 2009Publication date: September 9, 2010Applicant: SUNPLUS TECHNOLOGY CO., LTD.Inventors: Shih-Hsien Liu, Hsing-Sheng Huang, Sih-Kai Wang
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Publication number: 20100151228Abstract: The invention provides a reworkable liquid crystal film, including a first substrate, a first conductive layer disposed on the first substrate, and a liquid crystal layer disposed on the first conductive layer. The liquid crystal layer contains microencapsulated liquid crystal droplets dispersed in a thermoplastic polymer matrix. The invention also provides a method for forming the reworkable liquid crystal film.Type: ApplicationFiled: April 3, 2009Publication date: June 17, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Lung CHIN, Chang-Hung WU, Shih-Hsien LIU, Kung-Lung CHENG, Yih-Her CHANG, Jer-Young CHEN, Ching-Yu CHEN
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Publication number: 20100128215Abstract: A liquid crystal display (LCD) and a fabrication method thereof are provided. The LCD includes a first substrate and a second substrate opposite to the first substrate. At least two layers of cholesteric liquid crystal layers are disposed between the first and the second substrates, wherein chiral dopants with different optical activities are respectively added in the cholesteric liquid crystal layers, and the chiral dopants have the same chemical structure. The fabrication method includes providing a first substrate and a second substrate opposite to the first substrate. A plurality of chiral dopants with different optical activities and having the same chemical structure are mixed into the same liquid crystal host respectively to form at least two kinds of cholesteric liquid crystal materials. Then, the cholesteric liquid crystal materials are disposed between the first and the second substrates to form at least two layers of cholesteric liquid crystal layers.Type: ApplicationFiled: June 23, 2009Publication date: May 27, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chun-Ming Wu, Shih-Hsien Liu, Chih-Lung Chin, Kung-Lung Cheng, An-Cheng Chen
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Publication number: 20100127210Abstract: A liquid crystal compound of Formula (I) is provided. In Formula (I), Y1, Y2 and Y3 are, independently, hydrogen, halogen, cyano or thiocyano, and R is C1-12 alkyl or C1-12 alkoxy, preferably C3-6 alkyl. The liquid crystal compound is colorless. The invention also provides a liquid crystal composition including the liquid crystal compound.Type: ApplicationFiled: March 9, 2009Publication date: May 27, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Peu-Jane Huang, An-Cheng Chen, Kung-Lung Cheng, Shih-Hsien Liu