Patents by Inventor Kai-Ti Chen
Kai-Ti 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: 11512984Abstract: A dynamic displacement error compensation system by which detection error information obtained based on calibration detection of first and second axes, is respectively made into first and second compensation tables for compensating displacement on the axes by using positional information of the axes as variables, the first compensation table is stored in a first driver of a first motor device for driving a first moving element to move linearly on the first axis, the second compensation table is stored in a second driver of a second motor device for driving a second moving element to move linearly on the second axis, the drivers simultaneously or successively obtain a first dynamic positional information of the first moving element on the first axis and a second dynamic positional information of the second moving element on the second axis, and the moving elements are respectively displaceably compensated according to the compensation tables.Type: GrantFiled: March 23, 2021Date of Patent: November 29, 2022Assignee: HIWIN MIKROSYSTEM CORP.Inventors: Kai-Ti Chen, Chun-Yi Yi, Wei-Te Chuang, Yen-Yu Chen
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Publication number: 20220307869Abstract: A dynamic displacement error compensation system by which detection error information obtained based on calibration detection of first and second axes, is respectively made into first and second compensation tables for compensating displacement on the axes by using positional information of the axes as variables, the first compensation table is stored in a first driver of a first motor device for driving a first moving element to move linearly on the first axis, the second compensation table is stored in a second driver of a second motor device for driving a second moving element to move linearly on the second axis, the drivers simultaneously or successively obtain a first dynamic positional information of the first moving element on the first axis and a second dynamic positional information of the second moving element on the second axis, and the moving elements are respectively displaceably compensated according to the compensation tables.Type: ApplicationFiled: March 23, 2021Publication date: September 29, 2022Inventors: Kai-Ti CHEN, Chun-Yi YI, Wei-Te CHUANG, Yen-Yu CHEN
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Patent number: 7940352Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: GrantFiled: August 28, 2009Date of Patent: May 10, 2011Assignee: Au Optronics CorporationInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Patent number: 7932968Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: GrantFiled: August 28, 2009Date of Patent: April 26, 2011Assignee: Au Optronics CorporationInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Publication number: 20090316073Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: ApplicationFiled: August 28, 2009Publication date: December 24, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Publication number: 20090317542Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: ApplicationFiled: August 28, 2009Publication date: December 24, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Patent number: 7602459Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: GrantFiled: September 21, 2006Date of Patent: October 13, 2009Assignee: Au Optronics CorporationInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Publication number: 20090196527Abstract: A calibration method of image planar coordinate system for a high-precision image measurement system comprises: at each time an X-Y coordinate of a measurement platform is moved, rotating and finely adjusting a two-dimension coordinate system of a calibration board or a workpiece and a projection plane coordinate system of a CCD camera so as to make the both coincide with the X-Y coordinate system.Type: ApplicationFiled: February 1, 2008Publication date: August 6, 2009Inventor: Kai-Ti Chen
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Publication number: 20070182883Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.Type: ApplicationFiled: September 21, 2006Publication date: August 9, 2007Applicant: AU OPTRONICS CORPORATIONInventors: Chung Chen, Kuang Cheng, Kai-TI Chen