Patents by Inventor Ching-Sheng Chang
Ching-Sheng Chang 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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Publication number: 20240128626Abstract: A transmission device includes a daisy chain structure composed of at least three daisy chain units arranged periodically and continuously. Each of the daisy chain units includes first, second and third conductive lines, and first and second conductive pillars. The first and second conductive lines at a first layer extend along a first direction and are discontinuously arranged. The third conductive line at a second layer extends along the first direction and is substantially parallel to the first and second conductive lines. The first conductive pillar extends in a second direction. The second direction is different from the first direction. A first part of the first conductive pillar is connected to the first and third conductive lines. The second conductive pillar extends in the second direction. A first part of the second conductive pillar is connected to the second and third conductive lines.Type: ApplicationFiled: November 25, 2022Publication date: April 18, 2024Applicants: UNIMICRON TECHNOLOGY CORP., National Taiwan UniversityInventors: Yu-Kuang WANG, Ruey-Beei Wu, Ching-Sheng Chen, Chun-Jui Huang, Wei-Yu Liao, Chi-Min Chang
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Publication number: 20240130038Abstract: A transmission device for suppressing the glass-fiber effect includes a circuit board and a transmission line. The circuit board includes a plurality of glass fibers, so as to define a fiber pitch. The transmission line is disposed on the circuit board. The transmission line includes a plurality of non-parallel segments. Each of the non-parallel segments of the transmission line has an offset distance with respect to a reference line. The offset distance is longer than or equal to a half of the fiber pitch.Type: ApplicationFiled: November 23, 2022Publication date: April 18, 2024Applicants: UNIMICRON TECHNOLOGY CORP., National Taiwan UniversityInventors: Chin-Hsun WANG, Ruey-Beei Wu, Ching-Sheng Chen, Chun-Jui Hung, Wei-Yu Liao, Chi-Min Chang
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Patent number: 11916018Abstract: A connection structure of a semiconductor device is provided in the present invention. The connection structure includes an interlayer dielectric, a top metal structure, and a passivation layer. The interlayer dielectric is disposed on a substrate. The top metal structure is disposed on the interlayer dielectric. The top metal structure includes a bottom portion and a top portion disposed on the bottom portion. The bottom portion includes a first sidewall, and the top portion includes a second sidewall. A slope of the first sidewall is larger than a slope of the second sidewall. The passivation layer is conformally disposed on the second sidewall, the first sidewall, and a top surface of the interlayer dielectric.Type: GrantFiled: March 4, 2021Date of Patent: February 27, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Chen-Yi Weng, Shih-Che Huang, Ching-Li Yang, Chih-Sheng Chang
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Publication number: 20240019670Abstract: An imaging lens includes a first lens, a second lens and a third lens arranged in order from an object side to an image side. The imaging lens satisfies the conditions of 0.07 mm<dBFL<0.17 mm and 1<DL/LT<1.79, where dBFL denotes a distance between a focal plane formed by light with a wavelength of 587 nm and a focal plane formed by light with a wavelength of 940 nm on an optical axis of the imaging lens when a subject to be captured is at infinity, DL is a lens diameter of the third lens, LT is a distance measured on the optical axis of the imaging lens between an object-side surface of the first lens and an image-side surface of the third lens.Type: ApplicationFiled: July 10, 2023Publication date: January 18, 2024Inventors: CHING-SHENG CHANG, CHIEN-HSIUNG TSENG
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Patent number: 11841482Abstract: An imaging lens includes a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a positive refractive power and a fourth lens with a refractive power arranged in order from a first side to a second side, and an aperture stop is disposed between the first lens and the third lens. The first lens, the second lens, the third lens and the fourth lens are made from glass, a total number of lenses with refractive powers in the imaging lens is less than 5, the second lens and the third lens are aspheric glass lenses, and a full field of view of the imaging lens is greater than 120 degrees.Type: GrantFiled: April 3, 2020Date of Patent: December 12, 2023Assignee: RAYS OPTICS INC.Inventors: Ching-Sheng Chang, Chia-Chen Kung, Chiu-Jung Lai, Kuo-Chuan Wang
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Publication number: 20230280570Abstract: A fixed focus image capturing lens, including a first lens group, a second lens group, and an aperture, is provided. The first lens group includes a first lens, a second lens, a third lens, and a fourth lens in sequence from an object side of the fixed focus image capturing lens to an image side thereof. The refractive powers of the first lens, the second lens, and the third lens are all negative. The second lens group includes four lenses having refractive power. The four lenses include a cemented lens. The aperture is disposed between the first lens group and the second lens group.Type: ApplicationFiled: July 14, 2022Publication date: September 7, 2023Applicant: Rays Optics Inc.Inventor: Ching-Sheng Chang
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Patent number: 11256067Abstract: An optical lens includes a first lens group, a second lens group and an aperture stop disposed between the first lens group and the second lens group. The optical lens satisfies the conditions of 7 mm<D<25 mm and 0.3<D/LT<0.5, where D is a diameter of a lens surface of the second lens group furthest from the first lens group and LT is a total lens length measured along an optical axis between a lens surface of the first lens group furthest from the second lens group and the lens surface of the second lens group furthest from the first lens group.Type: GrantFiled: April 24, 2019Date of Patent: February 22, 2022Assignee: RAYS OPTICS INC.Inventors: Hsin-Te Chen, Ching-Sheng Chang, Kuo-Chuan Wang
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Patent number: 10996442Abstract: A lens assembly including a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, arranged from the magnification side to the reduction side, is provided. The fourth lens and the fifth lens are combined into a cemented lens having an aspherical surface. The lens assembly includes 5 to 6 lenses with a refractive power. The first lens is a glass lens, and the others are aspherical lenses. R1 is the radius of curvature of the lens surface of the first lens facing the magnification side, R2 is the radius of curvature of the lens surface of the first lens facing the reduction side, T is the thickness, on the optical axis of the lens assembly, of the first lens, wherein the refractive index of the first lens>1.55, the Abbe number of the first lens>55, and R1-R2-T<8.8.Type: GrantFiled: December 26, 2018Date of Patent: May 4, 2021Assignee: Rays Optics Inc.Inventors: Sheng-Tang Lai, Ching-Sheng Chang, Hsin-Te Chen, Kuo-Chuan Wang
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Publication number: 20210003822Abstract: An optical lens includes a first lens group, a second lens group and an aperture stop. The first lens group includes a first lens and a second lens, and the second lens group includes a third lens and a cemented lens. The aperture stop is disposed between the second lens and the cemented lens, a total number of lenses with refractive powers in the optical lens is less than eight, and the optical lens includes at most three aspheric lenses. The optical lens satisfies the condition 0.9<D1/IM<1.6, where IM denotes an image circle diameter measured on a visible-light focal plane of the optical lens, and D1 denotes a lens diameter of the first lens.Type: ApplicationFiled: June 23, 2020Publication date: January 7, 2021Inventors: CHING-SHENG CHANG, CHIA-CHEN KUNG, CHIU-JUNG LAI, KUO-CHUAN WANG
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Patent number: 10845571Abstract: An optical lens includes a first lens group and a second lens group arranged in order from a first side to a second side, and an aperture stop disposed between the first lens group and the second lens group. The optical lens satisfies the condition of LT/IMH<4.7, where IMH is semi-diagonal image height on an image plane, and LT is a distance along an optical axis between a surface of a first lens of the first lens group facing the first side and a surface of a last lens of the second lens group facing the second side. The first lens is closest to the first side among the first lens group, and the last lens is closest to the second side among the second lens group.Type: GrantFiled: June 15, 2018Date of Patent: November 24, 2020Assignee: RAYS OPTICS INC.Inventors: Ying-Hsiu Lin, Ching-Sheng Chang, Chen-Cheng Lee, Kuo-Chuan Wang
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Publication number: 20200341240Abstract: An imaging lens includes a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a positive refractive power and a fourth lens with a refractive power arranged in order from a first side to a second side, and an aperture stop is disposed between the first lens and the third lens. The first lens, the second lens, the third lens and the fourth lens are made from glass, a total number of lenses with refractive powers in the imaging lens is less than 5, the second lens and the third lens are aspheric glass lenses, and a full field of view of the imaging lens is greater than 120 degrees.Type: ApplicationFiled: April 3, 2020Publication date: October 29, 2020Applicant: Rays Optics Inc.Inventors: CHING-SHENG CHANG, CHIA-CHEN KUNG, CHIU-JUNG LAI, KUO-CHUAN WANG
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Publication number: 20200081229Abstract: A lens assembly including a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, arranged from the magnification side to the reduction side, is provided. The fourth lens and the fifth lens are combined into a cemented lens having an aspherical surface. The lens assembly includes 5 to 6 lenses with a refractive power. The first lens is a glass lens, and the others are aspherical lenses. R1 is the radius of curvature of the lens surface of the first lens facing the magnification side, R2 is the radius of curvature of the lens surface of the first lens facing the reduction side, T is the thickness, on the optical axis of the lens assembly, of the first lens, wherein the refractive index of the first lens>1.55, the Abbe number of the first lens>55, and R1-R2-T<8.8.Type: ApplicationFiled: December 26, 2018Publication date: March 12, 2020Applicant: Rays Optics Inc.Inventors: Sheng-Tang LAI, Ching-Sheng CHANG, Hsin-Te CHEN, Kuo-Chuan WANG
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Patent number: 10558022Abstract: An optical lens includes a first lens group with a negative refractive power, a second lens group with a positive refractive power, and an aperture stop disposed between the first lens group and the second lens group. The second lens group is disposed between the first lens group and the second side. The optical lens satisfies the conditions: 2.1<D1/D3<3.0 and 1.9<D1/DL<3.2, where D1 is a diameter of a surface of the first lens facing the first side, D3 is a diameter of a surface of the third lens facing the first side, DL is a diameter of a surface of a last lens facing the second side, and the last lens is nearest the second side as compared with any other lens of the optical lens.Type: GrantFiled: April 23, 2018Date of Patent: February 11, 2020Assignee: RAYS OPTICS INC.Inventors: Sheng-Da Jiang, Ching-Sheng Chang, Hsin-Te Chen, Kuo-Chuan Wang
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Publication number: 20190369363Abstract: An optical lens includes a first lens group, a second lens group and an aperture stop disposed between the first lens group and the second lens group. The optical lens satisfies the conditions of 7 mm<D<25 mm and 0.3<D/LT<0.5, where D is a diameter of a lens surface of the second lens group furthest from the first lens group and LT is a total lens length measured along an optical axis between a lens surface of the first lens group furthest from the second lens group and the lens surface of the second lens group furthest from the first lens group.Type: ApplicationFiled: April 24, 2019Publication date: December 5, 2019Inventors: Hsin-Te CHEN, Ching-Sheng CHANG, Kuo-Chuan WANG
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Publication number: 20190278055Abstract: An optical lens includes a first lens group and a second lens group arranged in order from a first side to a second side, and an aperture stop disposed between the first lens group and the second lens group. The optical lens satisfies the condition of LT/IMH<4.7, where IMH is semi-diagonal image height on an image plane, and LT is a distance along an optical axis between a surface of a first lens of the first lens group facing the first side and a surface of a last lens of the second lens group facing the second side. The first lens is closest to the first side among the first lens group, and the last lens is closest to the second side among the second lens group.Type: ApplicationFiled: June 15, 2018Publication date: September 12, 2019Inventors: YING-HSIU LIN, CHING-SHENG CHANG, CHEN-CHENG LEE, KUO-CHUAN WANG
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Publication number: 20190204569Abstract: An optical lens includes a first lens group with a negative refractive power, a second lens group with a positive refractive power, and an aperture stop disposed between the first lens group and the second lens group. The second lens group is disposed between the first lens group and the second side. The optical lens satisfies the conditions: 2.1<D1/D3<3.0 and 1.9<D1/DL<3.2, where D1 is a diameter of a surface of the first lens facing the first side, D3 is a diameter of a surface of the third lens facing the first side, DL is a diameter of a surface of a last lens facing the second side, and the last lens is nearest the second side as compared with any other lens of the optical lens.Type: ApplicationFiled: April 23, 2018Publication date: July 4, 2019Inventors: SHENG-DA JIANG, CHING-SHENG CHANG, HSIN-TE CHEN, KUO-CHUAN WANG
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Patent number: 9939611Abstract: An optical lens including a first lens group and a second lens group is provided. The first lens group is disposed between a magnified side and a reduced side and has a negative refractive power. The first lens group includes four lenses. Two lenses closest to the magnified side in the first lens group are aspheric lenses. The second lens group is disposed between the first lens group and the reduced side and has a positive refractive power. The second lens group includes at least seven lenses.Type: GrantFiled: December 10, 2014Date of Patent: April 10, 2018Assignee: Young Optics Inc.Inventors: Ching-Sheng Chang, Yen-Te Lee, Kuo-Chuan Wang
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Publication number: 20160170175Abstract: An optical lens including a first lens group and a second lens group is provided. The first lens group is disposed between a magnified side and a reduced side and has a negative refractive power. The first lens group includes four lenses. Two lenses closest to the magnified side in the first lens group are aspheric lenses. The second lens group is disposed between the first lens group and the reduced side and has a positive refractive power. The second lens group includes at least seven lenses.Type: ApplicationFiled: December 10, 2014Publication date: June 16, 2016Applicant: Young Optics Inc.Inventors: Ching-Sheng Chang, Yen-Te Lee, Kuo-Chuan Wang
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Patent number: 9366722Abstract: A method and apparatus for performing de-skew control are provided, where the method is applied to an electronic device. The method includes the steps of: performing a symbol detection at a plurality of lanes of the electronic device, respectively, to determine locations of a specific symbol at the plurality of lanes, respectively; according to the locations of the specific symbol at the plurality of lanes, selectively rearranging decoded data in the plurality of lanes to generate a plurality of sets of de-skewed data respectively corresponding to the plurality of lanes; and by buffering the plurality of sets of de-skewed data, selectively delaying output of the plurality of sets of de-skewed data to control beginning of the plurality of sets of de-skewed data to be simultaneously output.Type: GrantFiled: August 14, 2014Date of Patent: June 14, 2016Assignee: Faraday Technology Corp.Inventors: Ching-Sheng Chang, Yuan-Min Hu
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Publication number: 20150293175Abstract: A method and apparatus for performing de-skew control are provided, where the method is applied to an electronic device. The method includes the steps of: performing a symbol detection at a plurality of lanes of the electronic device, respectively, to determine locations of a specific symbol at the plurality of lanes, respectively; according to the locations of the specific symbol at the plurality of lanes, selectively rearranging decoded data in the plurality of lanes to generate a plurality of sets of de-skewed data respectively corresponding to the plurality of lanes; and by buffering the plurality of sets of de-skewed data, selectively delaying output of the plurality of sets of de-skewed data to control beginning of the plurality of sets of de-skewed data to be simultaneously output.Type: ApplicationFiled: August 14, 2014Publication date: October 15, 2015Inventors: Ching-Sheng Chang, Yuan-Min Hu