Patents by Inventor Chan-Shan Yang
Chan-Shan Yang 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: 10754201Abstract: A liquid crystal photoelectric apparatus including an upper substrate, a lower substrate, a plurality of alignment layers, and a liquid crystal material is provided. The alignment layers include an upper alignment layer, a lower alignment layer, and at least one intermediate alignment layer. The upper alignment layer has a first orientation direction. The lower alignment layer has a second orientation direction. The at least one intermediate alignment layer has an intermediate orientation direction. The intermediate orientation direction is between the first orientation direction and the second orientation direction. The liquid crystal material includes a plurality of liquid crystal material portions. Each of the liquid crystal material portions is disposed between any adjacent two alignment layers. A manufacturing method of the liquid crystal photoelectric apparatus is also provided.Type: GrantFiled: October 23, 2018Date of Patent: August 25, 2020Assignees: National Tsing Hua University, Advanced Comm. Engineering Solution Co., Ltd.Inventors: Ci-Ling Pan, Anup Kumar Sahoo, Chun-Ling Yen, Chan-Shan Yang, Yi-Hsin Lin, Hung-Chun Lin, Yu-Jen Wang
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Patent number: 10718707Abstract: A liquid crystal photoelectric apparatus includes a first and a second quartz glass substrates, an upper alignment layer disposed between the first and the second quartz glass substrates, a lower alignment layer disposed between the upper alignment layer and the second quartz glass substrate, a liquid crystal material disposed between the upper and the lower alignment layers, a first transparent conductive layer disposed between the upper alignment layer and the first quartz glass substrate and including at least one first main portion and first finger portions extending from the corresponding first main portion and a second transparent conductive layer second transparent conductive layer disposed between the lower alignment layer and the second quartz glass substrate and including a second main portion and second finger portions extending from the second main portion in an extension direction perpendicular to that of the first finger portions. An optical imaging processing system is provided.Type: GrantFiled: October 22, 2018Date of Patent: July 21, 2020Assignees: National Tsing Hua University, Advanced Comm. Engineering Solution Co., Ltd.Inventors: Ci-Ling Pan, Anup Kumar Sahoo, Chan-Shan Yang, Chun-Ling Yen, Yuan-Chun Lu
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Publication number: 20200073179Abstract: A liquid crystal photoelectric apparatus including an upper substrate, a lower substrate, a plurality of alignment layers, and a liquid crystal material is provided. The alignment layers include an upper alignment layer, a lower alignment layer, and at least one intermediate alignment layer. The upper alignment layer has a first orientation direction. The lower alignment layer has a second orientation direction. The at least one intermediate alignment layer has an intermediate orientation direction. The intermediate orientation direction is between the first orientation direction and the second orientation direction. The liquid crystal material includes a plurality of liquid crystal material portions. Each of the liquid crystal material portions is disposed between any adjacent two alignment layers. A manufacturing method of the liquid crystal photoelectric apparatus is also provided.Type: ApplicationFiled: October 23, 2018Publication date: March 5, 2020Applicants: National Tsing Hua University, Advanced Comm. Engineering Solution Co., Ltd.Inventors: Ci-Ling Pan, Anup Kumar Sahoo, Chun-Ling Yen, Chan-Shan Yang, Yi-Hsin Lin, Hung-Chun Lin, Yu-Jen Wang
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Publication number: 20200064256Abstract: A liquid crystal photoelectric apparatus includes a first and a second quartz glass substrates, an upper alignment layer disposed between the first and the second quartz glass substrates, a lower alignment layer disposed between the upper alignment layer and the second quartz glass substrate, a liquid crystal material disposed between the upper and the lower alignment layers, a first transparent conductive layer disposed between the upper alignment layer and the first quartz glass substrate and including at least one first main portion and first finger portions extending from the corresponding first main portion and a second transparent conductive layer second transparent conductive layer disposed between the lower alignment layer and the second quartz glass substrate and including a second main portion and second finger portions extending from the second main portion in an extension direction perpendicular to that of the first finger portions. An optical imaging processing system is provided.Type: ApplicationFiled: October 22, 2018Publication date: February 27, 2020Applicants: National Tsing Hua University, Advanced Comm. Engineering Solution Co., Ltd.Inventors: Ci-Ling Pan, Anup Kumar Sahoo, Chan-Shan Yang, Chun-Ling Yen, Yuan-Chun Lu
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Patent number: 10353245Abstract: A tunable terahertz achromatic wave plate including at least three phase retarders and a tuning device is provided. The at least three phase retarders are sequentially arranged along a first direction, and configured to provide an achromatic range in a terahertz band, so as to reduce a chromatic aberration of a terahertz wave through the tunable terahertz achromatic wave plate in the achromatic range. The at least three phase retarders respectively include a liquid crystal cell. The tuning device is configured to tune a liquid crystal orientation angle of the liquid crystal cell, so as to correspondingly change a birefringence of the at least three phase retarders in the terahertz band. The terahertz wave through the tunable terahertz achromatic wave plate has same phase retardation in the achromatic range. The achromatic range in the terahertz band is determined according to the birefringence of the at least three phase retarders.Type: GrantFiled: August 18, 2016Date of Patent: July 16, 2019Assignee: National Tsing Hua UniversityInventors: Ci-Ling Pan, Chan-Shan Yang, Ru-Pin Pan, Cho-Fan Hsieh, Fang-Cih Shih
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Publication number: 20180017822Abstract: A tunable terahertz achromatic wave plate including at least three phase retarders and a tuning device is provided. The at least three phase retarders are sequentially arranged along a first direction, and configured to provide an achromatic range in a terahertz band, so as to reduce a chromatic aberration of a terahertz wave through the tunable terahertz achromatic wave plate in the achromatic range. The at least three phase retarders respectively include a liquid crystal cell. The tuning device is configured to tune a liquid crystal orientation angle of the liquid crystal cell, so as to correspondingly change a birefringence of the at least three phase retarders in the terahertz band. The terahertz wave through the tunable terahertz achromatic wave plate has same phase retardation in the achromatic range. The achromatic range in the terahertz band is determined according to the birefringence of the at least three phase retarders.Type: ApplicationFiled: August 18, 2016Publication date: January 18, 2018Applicant: National Tsing Hua UniversityInventors: Ci-Ling Pan, Chan-Shan Yang, Ru-Pin Pan, Cho-Fan Hsieh, Fang-Cih Shih
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Patent number: 9810947Abstract: The invention provides a liquid crystal based optoelectronic device, including an upper substrate and a lower substrate, a liquid crystal layer sandwiched between the upper substrate and the lower substrate, and a pair of indium tin oxide nano-whisker layers formed on the inner surfaces of the upper substrate and the lower substrate, wherein the indium tin oxide nano-whisker layer is used as an alignment layer for aligning liquid crystal molecules in the liquid crystal layer.Type: GrantFiled: January 21, 2015Date of Patent: November 7, 2017Assignee: National Tsing Hua UniversityInventors: Ci-Ling Pan, Chan-Shan Yang, Tsung-Ta Tang, Ru-Pin Pan, Pei-Chen Yu
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Publication number: 20150253627Abstract: The invention provides a liquid crystal based optoelectronic device, including an upper substrate and a lower substrate, a liquid crystal layer sandwiched between the upper substrate and the lower substrate, and a pair of indium tin oxide nano-whisker layers formed on the inner surfaces of the upper substrate and the lower substrate, wherein the indium tin oxide nano-whisker layer is used as an alignment layer for aligning liquid crystal molecules in the liquid crystal layer.Type: ApplicationFiled: January 21, 2015Publication date: September 10, 2015Inventors: Ci-Ling PAN, Chan-Shan YANG, Tsung-Ta TANG, Ru-Pin PAN, Pei-Chen YU
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Patent number: 9031101Abstract: A multi-color harmonic synthesized laser system for laser processing and a laser processing method using multi-color harmonic synthesized laser are disclosed. The multi-color harmonic synthesized laser system includes a laser source for providing a single laser wave, a converter for converting the single laser wave into a plurality of harmonic waves with different frequencies, and a modulating unit for modulating amplitudes and relative phases of the harmonic waves to form a plurality of modulated harmonic waves, so as to synthesize the modulated harmonic waves as a single synthesized laser wave, wherein the single synthesized laser wave is focused on an object to perform a laser processing. The converter includes a plurality of non-linear crystals for converting the single laser wave into a fundamental harmonic wave and a plurality of multi-frequency harmonic waves. The harmonic waves are coherent and collinear, and the phases of the harmonic waves are related to one another.Type: GrantFiled: September 13, 2012Date of Patent: May 12, 2015Assignee: National Tsing Hua UniversityInventors: Ci-Ling Pan, Chan-Shan Yang, Alexey Zaytsev, Yu-Liang Cai
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Publication number: 20130322474Abstract: A multi-color harmonic synthesized laser system for laser processing and a laser processing method using multi-color harmonic synthesized laser are disclosed. The multi-color harmonic synthesized laser system includes a laser source for providing a single laser wave, a converter for converting the single laser wave into a plurality of harmonic waves with different frequencies, and a modulating unit for modulating amplitudes and relative phases of the harmonic waves to form a plurality of modulated harmonic waves, so as to synthesize the modulated harmonic waves as a single synthesized laser wave, wherein the single synthesized laser wave is focused on an object to perform a laser processing. The converter includes a plurality of non-linear crystals for converting the single laser wave into a fundamental harmonic wave and a plurality of multi-frequency harmonic waves. The harmonic waves are coherent and collinear, and the phases of the harmonic waves are related to one another.Type: ApplicationFiled: September 13, 2012Publication date: December 5, 2013Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Ci-Ling Pan, Chan-Shan Yang, Alexey Zaytsev, Yu-Liang Cai