Patents by Inventor Chih-Hsiao Chen
Chih-Hsiao Chen 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: 10359692Abstract: A laser illumination system and a method for eliminating laser speckles thereof are revealed. The laser illumination system includes laser module emitting a laser beam, a scanning unit for scanning the laser beam to form scanning beams, and a diffractive optical element which the scanning beams are passed through to form illuminating beams that are projected to an area to be illuminated or an object. Thus an image detecting unit can capture an image of the area or the object. The scanning beams are converted into the illuminating beams by the diffractive optical element that causes changes in spatial phase redistribution or light energy distribution thereof. One point in the area or on the object shows energy of partial light of at least two of the laser beams. Thus a laser speckle of the image can be eliminated by the superposition of the energy of the partial light.Type: GrantFiled: January 8, 2018Date of Patent: July 23, 2019Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventor: Chih-Hsiao Chen
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Publication number: 20190064539Abstract: A laser illumination system and a method for eliminating laser speckles thereof are revealed. The laser illumination system includes laser module emitting a laser beam, a scanning unit for scanning the laser beam to form scanning beams, and a diffractive optical element which the scanning beams are passed through to form illuminating beams that are projected to an area to be illuminated or an object. Thus an image detecting unit can capture an image of the area or the object. The scanning beams are converted into the illuminating beams by the diffractive optical element that causes changes in spatial phase redistribution or light energy distribution thereof. One point in the area or on the object shows energy of partial light of at least two of the laser beams. Thus a laser speckle of the image can be eliminated by the superposition of the energy of the partial light.Type: ApplicationFiled: January 8, 2018Publication date: February 28, 2019Inventor: Chih-Hsiao CHEN
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Patent number: 9691867Abstract: The semiconductor device structures and methods for forming the same are provided. The semiconductor device structure includes a metal gate over a substrate. A first spacer is formed over sidewalls of the metal gate and having a first height. A second spacer is formed over the sidewalls of the metal gate and having a second height. The first height is higher than the second height. The first spacer is farther from the sidewalls of the metal gate than the second spacer. In addition, the semiconductor device structure includes a dielectric layer formed over the substrate to surround the first spacer and the metal gate.Type: GrantFiled: August 22, 2016Date of Patent: June 27, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chen-Liang Liao, Chih-Hsiao Chen, Yi-Lii Huang, Yao-Yu Li
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Publication number: 20160359010Abstract: The semiconductor device structures and methods for forming the same are provided. The semiconductor device structure includes a metal gate over a substrate. A first spacer is formed over sidewalls of the metal gate and having a first height. A second spacer is formed over the sidewalls of the metal gate and having a second height. The first height is higher than the second height. The first spacer is farther from the sidewalls of the metal gate than the second spacer. In addition, the semiconductor device structure includes a dielectric layer formed over the substrate to surround the first spacer and the metal gate.Type: ApplicationFiled: August 22, 2016Publication date: December 8, 2016Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO.,LTD.Inventors: Chen-Liang LIAO, Chih-Hsiao CHEN, Yi-lii HUANG, Yao-Yu LI
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Patent number: 9425274Abstract: The semiconductor device structures and methods for forming the same are provided. The semiconductor device structure includes a metal gate over a substrate. A first spacer is formed over sidewalls of the metal gate and having a first height. A second spacer is formed over the sidewalls of the metal gate and having a second height. The first height is higher than the second height. The first spacer is farther from the sidewalls of the metal gate than the second spacer. In addition, the semiconductor device structure includes a dielectric layer formed over the substrate to surround the first spacer and the metal gate.Type: GrantFiled: March 21, 2016Date of Patent: August 23, 2016Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTDInventors: Chen-Liang Liao, Chih-Hsiao Chen, Yi-Lii Huang, Yao-Yu Li
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Publication number: 20160203984Abstract: The semiconductor device structures and methods for forming the same are provided. The semiconductor device structure includes a metal gate over a substrate. A first spacer is formed over sidewalls of the metal gate and having a first height. A second spacer is formed over the sidewalls of the metal gate and having a second height. The first height is higher than the second height. The first spacer is farther from the sidewalls of the metal gate than the second spacer. In addition, the semiconductor device structure includes a dielectric layer formed over the substrate to surround the first spacer and the metal gate.Type: ApplicationFiled: March 21, 2016Publication date: July 14, 2016Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chen-Liang LIAO, Chih-Hsiao CHEN, Yi-Lii HUANG, Yao-Yu LI
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Patent number: 9349817Abstract: Embodiments of the disclosure provide semiconductor device structures and methods of forming the same. The semiconductor device structure includes a metal gate over a substrate. A first spacer is formed over sidewalls of the metal gate and having a first height. A second spacer is formed over the sidewalls of the metal gate and having a second height. The first height is higher than the second height. The first spacer is farther from the sidewalls of the metal gate than the second spacer. In addition, the semiconductor device structure includes a dielectric layer formed over the substrate to surround the first spacer and the metal gate.Type: GrantFiled: February 3, 2014Date of Patent: May 24, 2016Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTDInventors: Chen-Liang Liao, Chih-Hsiao Chen, Yi-Lii Huang, Yao-Yu Li
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Patent number: 9324864Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate. The semiconductor device structure includes an isolation structure positioned in the semiconductor substrate and adjacent to a first active region of the semiconductor substrate. The semiconductor device structure includes a gate stack disposed over the first active region. The semiconductor device structure includes a first contact structure disposed over the first active region and positioned between the isolation structure and the gate stack. The semiconductor device structure includes a dummy gate stack disposed over the isolation structure and adjacent to the gate stack. The dummy gate stack is not positioned over a portion of the isolation structure next to the first contact structure.Type: GrantFiled: September 30, 2014Date of Patent: April 26, 2016Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chia-Yao Liang, Chen-Liang Liao, Ming Lei, Chih-Hsiao Chen, Yi-Lii Huang
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Publication number: 20160093736Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate. The semiconductor device structure includes an isolation structure positioned in the semiconductor substrate and adjacent to a first active region of the semiconductor substrate. The semiconductor device structure includes a gate stack disposed over the first active region. The semiconductor device structure includes a first contact structure disposed over the first active region and positioned between the isolation structure and the gate stack. The semiconductor device structure includes a dummy gate stack disposed over the isolation structure and adjacent to the gate stack. The dummy gate stack is not positioned over a portion of the isolation structure next to the first contact structure.Type: ApplicationFiled: September 30, 2014Publication date: March 31, 2016Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chia-Yao LIANG, Chen-Liang LIAO, Ming LEI, Chih-Hsiao CHEN, Yi-Lii HUANG
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Publication number: 20150221737Abstract: Embodiments of the disclosure provide semiconductor device structures and methods of forming the same. The semiconductor device structure includes a metal gate over a substrate. A first spacer is formed over sidewalls of the metal gate and having a first height. A second spacer is formed over the sidewalls of the metal gate and having a second height. The first height is higher than the second height. The first spacer is farther from the sidewalls of the metal gate than the second spacer. In addition, the semiconductor device structure includes a dielectric layer formed over the substrate to surround the first spacer and the metal gate.Type: ApplicationFiled: February 3, 2014Publication date: August 6, 2015Applicant: Taiwan Semiconductor Manufacturing Co., LtdInventors: Chen-Liang LIAO, Chih-Hsiao CHEN, Yi-Lii HUANG, Yao-Yu LI
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Patent number: 8587451Abstract: A laser projection system including a projection screen and a laser projector is revealed. The projection screen includes at least one light emitting layer having at least one luminescent material that is excited by excitation light with a specific wavelength range to generate excited light with another wavelength range. The laser projector consists of a laser light source module, a laser signal modulation module, a rotation plane mirror module, a rotation plane mirror control module, and a signal conversion module. The laser projector produces excitation laser according to an image signal of a static image or dynamic image and projects the laser to the projection screen correspondingly for an image displayed. Thus a projected image with high recognition is displayed on the projection screen in a transparent manner in natural sunlight. Therefore efficiency and application of the laser projection are improved.Type: GrantFiled: June 9, 2011Date of Patent: November 19, 2013Assignee: ALVIS Technologies Inc.Inventor: Chih-Hsiao Chen
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Publication number: 20110316721Abstract: A laser projection system including a projection screen and a laser projector is revealed. The projection screen includes at least one light emitting layer having at least one luminescent material that is excited by excitation light with a specific wavelength range to generate excited light with another wavelength range. The laser projector consists of a laser light source module, a laser signal modulation module, a rotation plane mirror module, a rotation plane mirror control module, and a signal conversion module. The laser projector produces excitation laser according to an image signal of a static image or dynamic image and projects the laser to the projection screen correspondingly for an image displayed. Thus a projected image with high recognition is displayed on the projection screen in a transparent manner in natural sunlight. Therefore efficiency and application of the laser projection are improved.Type: ApplicationFiled: June 9, 2011Publication date: December 29, 2011Inventor: Chih-Hsiao CHEN
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Publication number: 20100231868Abstract: A display device is revealed. The display device includes a laser source for emitting a laser beam, a pre-optics for processing the laser beam, a light scan member such as a MEMS mirror for converting the processed laser beam into a scanning light beam, and/or a corresponding post-optics. A switch-control beam splitter is disposed on the light path of the laser beam, after the light scan member so as to divide the scanning light beam into a reflected light beam and a transmitted light beam. They are two different light paths and generate a virtual image as well as a real image respectively.Type: ApplicationFiled: March 13, 2009Publication date: September 16, 2010Inventors: Guo-Zen CHEN, Ming-Hua Wen, Chih-Hsiao Chen
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Patent number: 7660532Abstract: A calibration method of an optical transceiver module includes the steps of receiving an input voltage, detecting an optical signal for generating an input power based on the optical signal, generating a compensating power based on the input voltage, and generating a calibrating power based on the compensating power and the input power.Type: GrantFiled: October 4, 2006Date of Patent: February 9, 2010Assignee: Delta Electronics Inc.Inventors: Chien-Shu Chiu, Yung-Yuan Cheng, Chiung-Hung Wang, Chih-Hsiao Chen
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Publication number: 20090290881Abstract: An optical transceiver disposed within a cage includes a main body, a handle and a sliding element. The handle is coupled with the main body. The sliding element is secured to the handle and has an arm which is slidably disposed in a track of the main body. When the handle is rotated, the sliding element slides along the track.Type: ApplicationFiled: September 5, 2006Publication date: November 26, 2009Inventors: Yung-Yuan Cheng, Chiung-Hung Wang, Chih-Hsiao Chen
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Patent number: 7618199Abstract: An optical transceiver disposed within a cage includes a main body, a handle and a sliding element. The handle is coupled with the main body. The sliding element is secured to the handle and has an arm which is slidably disposed in a track of the main body. When the handle is rotated, the sliding element slides along the track.Type: GrantFiled: September 5, 2006Date of Patent: November 17, 2009Assignee: Delta Electronics, Inc.Inventors: Yung-Yuan Cheng, Chiung-Hung Wang, Chih-Hsiao Chen
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Patent number: 7448899Abstract: A connecting module comprises a body, a housing and a transmission device disposed in the body. The transmission device comprises a fixed element having a guiding slot, a slider and a movable bar. The movable bar drives the slider to horizontally move along the guiding slot, to disengage the body from the housing.Type: GrantFiled: April 14, 2006Date of Patent: November 11, 2008Assignee: Delta Electronics, Inc.Inventors: Chin-Hao Chen, Ming-Chia Wu, Chih-Hsiao Chen, Te-Shen Yang, Ming-Hsing Chung
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Publication number: 20070081824Abstract: A calibration method of an optical transceiver module includes the steps of receiving an input voltage, detecting an optical signal for generating an input power based on the optical signal, generating a compensating power based on the input voltage, and generating a calibrating power based on the compensating power and the input power.Type: ApplicationFiled: October 4, 2006Publication date: April 12, 2007Inventors: Chien-Shu Chiu, Yung-Yuan Cheng, Chiung-Hung Wang, Chih-Hsiao Chen
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Publication number: 20060238923Abstract: A connecting module comprises a body, a housing and a transmission device disposed in the body. The transmission device comprises a fixed element having a guiding slot, a slider and a movable bar. The movable bar drives the slider to horizontally move along the guiding slot, to disengage the body from the housing.Type: ApplicationFiled: April 14, 2006Publication date: October 26, 2006Inventors: Chin-Hao Chen, Ming-Chia Wu, Chih-Hsiao Chen, Te-Shen Yang, Ming-Hsing Chung
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Patent number: 7079310Abstract: An improved gain-clamped optical amplifier is disclosed. A series of laser cavities are placed along the amplifier axis. The laser cavities are designed such that the carrier densities of the amplifier decline toward the signal output end. Since the gain clamping amplitudes at positions along the amplifier can be different, we have the freedom to optimize the optical gain at all location, to minimize the noise impact at the signal input end, and to maximize the saturation output power at the signal output end. In addition, carrier levering effect realized by gain/loss wings further lowers the noise figure, and extends the optical gain and saturation output power. An ideal optical amplifier with high linear gain, small noise figure, and large saturation output power and extended dynamic range is then achieved. Energy saving is the bonus of using the invented amplifiers.Type: GrantFiled: January 8, 2004Date of Patent: July 18, 2006Inventor: Chih-Hsiao Chen