Patents by Inventor Kuo-Chuan Wang
Kuo-Chuan Wang 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: 20170357082Abstract: On embodiment of the invention discloses an optical lens including five lens group and an aperture stop. Each lens group includes at least one lens with refractive power, and the aperture stop is fixed in a position between a second lens group and a third lens group. Further, a distance between a first lens group and a fifth lens group remains fixed during zooming or focusing, and respective distances of the second lens group and a fourth lens group relative to the fifth lens group vary during zooming or focusing.Type: ApplicationFiled: June 7, 2017Publication date: December 14, 2017Inventors: YUAN-HUNG SU, BING-JU CHIANG, KUO-CHUAN WANG
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Publication number: 20170322397Abstract: One embodiment of the invention discloses an optical imaging device including an optical lens. The optical lens has N number of lenses, and the N number of lenses are divided into a first lens group and a second lens group and have at least three aspheric lenses. The first lens group is disposed between an object side and an image side, and the first lens group has (N/2)?1 piece of lens. The first lens group includes, in order from the object side, a first lens, a second lens and a third lens, and the second lens is an aspheric lens. The second lens group is disposed between the first lens group and the image side, and an aperture stop is disposed between the first lens group and the second lens group.Type: ApplicationFiled: May 9, 2016Publication date: November 9, 2017Inventors: CHEN-CHENG LEE, HSIN-TE CHEN, KUO-CHUAN WANG
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Publication number: 20170307862Abstract: A zoom lens includes, in order from a magnified side to a minified side, a first lens group, an aperture stop, and a second lens group. The second lens group has at least one aspheric surface. The zoom lens satisfies the conditions: 0.1<Ic/TTLw<0.15 and TTLw/EFLw?10, where Ic denotes a radius of an image circle, TTLw denotes a total track length of the zoom lens in the wide configuration, and EFLw denotes an effective focal length of the zoom lens in the wide configuration.Type: ApplicationFiled: April 25, 2016Publication date: October 26, 2017Inventors: Ying-Hsiu LIN, Kuo-Chuan WANG
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Publication number: 20170293107Abstract: An optical lens including a first lens group and a second lens group is provided. The first lens group is arranged between a magnified side and a minified side. The first lens group includes a lens closest to the magnified side. A refractive power of the lens is negative, and at least one surface of the lens is an aspherical surface. The second lens group is arranged between the first lens group and the minified side. A distance between the first lens group and the second lens group is smaller than 0.7 millimeter. The optical lens is complied with conditions of 0.53<EFL/IH<0.7, FOV?150 degrees, and F?2.8, where EFL is an effective focal length, IH is an image height on an imaging plane at the minified side, FOV is a maximum field of view, and F is f-number.Type: ApplicationFiled: April 8, 2016Publication date: October 12, 2017Inventors: Kuo-Chuan Wang, Chen-Cheng Liao
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Publication number: 20170293118Abstract: An imaging lens including a first lens group, a second lens group, and an aperture stop is provided. The first lens group is disposed between an object side and an image side. The second lens group is disposed between the first lens group and the image side. The aperture stop is disposed between the first lens group and the second lens group. The imaging lens includes at least three cemented lenses, each of the cemented lenses includes at least one lens having non-zero refractive power, and at least one lens of each of the cemented lenses has an Abbe number greater than 80.Type: ApplicationFiled: April 8, 2016Publication date: October 12, 2017Inventors: Wei-Hao Huang, Kuo-Chuan Wang, Bing-Ju Chiang
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Patent number: 9774774Abstract: An image pickup apparatus includes a lens, an image sensor, an optical filter, and a driving device. The lens focuses light beams from at least one subject to form an optical image, and the image sensor receives the optical image and converts the optical image into at least one electric signal. The optical filter includes a first plate and a second plate, the first plate is disposed between the lens and the image sensor, and the second plate is disposed between the first plate and the image sensor. The driving device moves the second plate. The second plate has substantially the same index of refraction as the first plate, and a thickness of the second plate is continuously decreased or increased across the second plate.Type: GrantFiled: October 21, 2014Date of Patent: September 26, 2017Assignee: Young Optics Inc.Inventors: Chen-Cheng Lee, Hsin-Te Chen, Kuo-Chuan Wang, Yuan-Yu Lee
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Publication number: 20170227733Abstract: An optical lens including a first lens group and a second lens group is provided. The first lens group is arranged between a magnified side and a minified side. The first lens group includes three lenses. A surface of a second lens facing to the minified side is a convex aspherical surface. The second lens group includes three lenses. Each of the first lens group and the second lens group includes at least one aspherical lens.Type: ApplicationFiled: February 5, 2016Publication date: August 10, 2017Inventors: Ying-Hsiu Lin, Kuo-Chuan Wang
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Publication number: 20170160525Abstract: A lens module for capturing an object light-beam from an object-side is provided. The lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group sequentially-arranged from the object-side to an image-side. The five lens groups respectively have at least one lens with positive refractive-power and at least one lens with negative refractive-power. The first, third and fifth lens groups are fixed groups, while the second and fourth lens groups are movable groups. An image apparatus including the lens module is also provided.Type: ApplicationFiled: February 15, 2017Publication date: June 8, 2017Applicant: Young Optics Inc.Inventors: Kuo-Chuan Wang, Sheng-Tang Lai
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Patent number: 9606268Abstract: A lens module for capturing an object light-beam from an object-side is provided. The lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group sequentially-arranged from the object-side to an image-side. The five lens groups respectively have at least one lens with positive refractive-power and at least one lens with negative refractive-power. The first, third and fifth lens groups are fixed groups, while the second and fourth lens groups are movable groups. An image apparatus including the lens module is also provided.Type: GrantFiled: March 5, 2015Date of Patent: March 28, 2017Assignee: Young Optics Inc.Inventors: Kuo-Chuan Wang, Sheng-Tang Lai
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Publication number: 20170023781Abstract: A zoom lens arranged along an optical axis includes a first lens group and a second lens group. The second lens group has at least one aspheric lens. The first lens group moves toward an image side and the second lens group moves away from the image side along the optical axis during zooming. The first lens group is moved for focusing, and the second lens group is moved for zooming.Type: ApplicationFiled: July 20, 2015Publication date: January 26, 2017Inventors: Kuo-Chuan Wang, Bing-Ju Chiang, Pin-Hsuan Hsieh, Kai-Yun Chen, Yu-Hung Chou
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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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Publication number: 20160112613Abstract: An image pickup apparatus includes a lens, an image sensor, an optical filter, and a driving device. The lens focuses light beams from at least one subject to form an optical image, and the image sensor receives the optical image and converts the optical image into at least one electric signal. The optical filter includes a first plate and a second plate, the first plate is disposed between the lens and the image sensor, and the second plate is disposed between the first plate and the image sensor. The driving device moves the second plate. The second plate has substantially the same index of refraction as the first plate, and a thickness of the second plate is continuously decreased or increased across the second plate.Type: ApplicationFiled: October 21, 2014Publication date: April 21, 2016Applicant: YOUNG OPTICS INC.Inventors: Chen-Cheng LEE, Hsin-Te CHEN, Kuo-Chuan WANG, Yuan-Yu LEE
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Patent number: 9261670Abstract: A fixed-focus lens including a first lens group and a second lens group is provided. The first lens group having a negative refractive power includes a first lens, a second lens and a third lens arranged in sequence from an object side to an image side, in which refractive powers of the first, second and third lenses are negative, negative and positive in sequence. The second lens group having a positive refractive power is located between the first lens group and the image side, and the second lens group includes a fourth lens, a fifth lens and a sixth lens arranged in sequence from the object side to the image side, in which refractive powers of the fourth, fifth and sixth lenses are positive, negative and positive in sequence. The first, second, third, fourth, fifth and sixth lenses are separated from each other.Type: GrantFiled: December 19, 2013Date of Patent: February 16, 2016Assignee: Young Optics Inc.Inventors: Sheng-Tang Lai, Kuo-Chuan Wang
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Patent number: 9140880Abstract: A zoom lens and a zoom lens module are provided. The zoom lens is configured to form an image of an object at an object side onto an image plane at an image side. The zoom lens includes a first lens group, a second lens group, a third lens group and a fourth lens group disposed in sequence from the object side towards the image side. The refractive powers of the first lens group, the second lens group, and the third lens group are negative, positive, and negative, respectively. The zoom lens satisfies 1.90<|T1G/FW|<2.40. T1G is a distance of the first lens group along an optical axis of the zoom lens, and FW is an effective focal length of the zoom lens when the zoom lens is at a wide-end.Type: GrantFiled: June 28, 2013Date of Patent: September 22, 2015Assignee: Young Optics Inc.Inventors: Kuo-Chuan Wang, Kuo-Shu Hung, Hsin-Te Chen
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Publication number: 20150177424Abstract: A lens module for capturing an object light-beam from an object-side is provided. The lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group sequentially-arranged from the object-side to an image-side. The five lens groups respectively have at least one lens with positive refractive-power and at least one lens with negative refractive-power. The first, third and fifth lens groups are fixed groups, while the second and fourth lens groups are movable groups. An image apparatus including the lens module is also provided.Type: ApplicationFiled: March 5, 2015Publication date: June 25, 2015Applicant: Young Optics Inc.Inventors: Kuo-Chuan Wang, Sheng-Tang Lai
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Patent number: 9001430Abstract: A lens module for capturing an object light-beam from an object-side is provided. The lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group sequentially-arranged from the object-side to an image-side. The five lens groups respectively have at least one lens with positive refractive-power and at least one lens with negative refractive-power. The first, third and fifth lens groups are fixed groups, while the second and fourth lens groups are movable groups. An image apparatus including the lens module is also provided.Type: GrantFiled: July 25, 2012Date of Patent: April 7, 2015Assignee: Young Optics Inc.Inventors: Kuo-Chuan Wang, Sheng-Tang Lai
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Publication number: 20150062720Abstract: A fixed-focus lens including a first lens group and a second lens group is provided. The first lens group having a negative refractive power includes a first lens, a second lens and a third lens arranged in sequence from an object side to an image side, in which refractive powers of the first, second and third lenses are negative, negative and positive in sequence. The second lens group having a positive refractive power is located between the first lens group and the image side, and the second lens group includes a fourth lens, a fifth lens and a sixth lens arranged in sequence from the object side to the image side, in which refractive powers of the fourth, fifth and sixth lenses are positive, negative and positive in sequence. The first, second, third, fourth, fifth and sixth lenses are separated from each other.Type: ApplicationFiled: December 19, 2013Publication date: March 5, 2015Applicant: Young Optics Inc.Inventors: Sheng-Tang Lai, Kuo-Chuan Wang
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Patent number: 8675292Abstract: A projection lens for projecting an image beam is provided. The image beam is converted by a light valve from an illumination beam irradiating the light valve. The projection lens includes a first lens group, a second lens group, and a third lens group. The first lens group is disposed on a transmission path of the image beam, and has a first optical axis. The second lens group is disposed on both a transmission path of the illumination beam and the transmission path of the image beam, and between the light valve and the first lens group. The second lens group has a second optical axis. The second optical axis is inclined with respect to the first optical axis. The third lens group is disposed on the transmission path of the image beam, and between the first lens group and the second lens group. A projection apparatus is also provided.Type: GrantFiled: October 13, 2011Date of Patent: March 18, 2014Assignee: Young Optics Inc.Inventors: Kuo-Chuan Wang, Yi-Hao Kang, Chi-Tang Hsieh, Chia-Chang Lee
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Publication number: 20140002715Abstract: A zoom lens and a zoom lens module are provided. The zoom lens is configured to form an image of an object at an object side onto an image plane at an image side. The zoom lens includes a first lens group, a second lens group, a third lens group and a fourth lens group disposed in sequence from the object side towards the image side. The refractive powers of the first lens group, the second lens group, and the third lens group are negative, positive, and negative, respectively. The zoom lens satisfies 1.90<|T1G/FW|<2.40. T1G is a distance of the first lens group along an optical axis of the zoom lens, and FW is an effective focal length of the zoom lens when the zoom lens is at a wide-end.Type: ApplicationFiled: June 28, 2013Publication date: January 2, 2014Applicant: YOUNG OPTICS INC.Inventors: Kuo-Chuan Wang, Kuo-Shu Hung, Hsin-Te Chen
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Publication number: 20130155314Abstract: A lens module for capturing an object light-beam from an object-side is provided. The lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group sequentially-arranged from the object-side to an image-side. The five lens groups respectively have at least one lens with positive refractive-power and at least one lens with negative refractive-power. The first, third and fifth lens groups are fixed groups, while the second and fourth lens groups are movable groups. An image apparatus including the lens module is also provided.Type: ApplicationFiled: July 25, 2012Publication date: June 20, 2013Applicant: YOUNG OPTICS INC.Inventors: Kuo-Chuan Wang, Sheng-Tang Lai