Patents by Inventor Shu-Tzu Lai
Shu-Tzu Lai 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: 9563038Abstract: A six-piece optical lens system includes, in order from the object side to the image side: a stop, a first lens element with a positive refractive power has a convex object-side surface; a second lens element with a negative refractive power has a convex object-side surface; a third lens element with a positive refractive power has a concave image-side surface; a fourth lens element with a negative refractive power has a concave image-side surface; a fifth lens element with a positive refractive power has a convex object-side surface; a sixth lens element with a negative refractive power has a concave object-side surface, and at least one of object-side and image-side surfaces of each lens element is aspheric. Thereby, such a system can be applied to a high resolution mobile phone.Type: GrantFiled: February 12, 2015Date of Patent: February 7, 2017Assignee: Newmax Technology Co., Ltd.Inventors: Fei-Hsin Tsai, Shu-Tzu Lai
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Publication number: 20160238820Abstract: A six-piece optical lens system includes, in order from the object side to the image side: a stop, a first lens element with a positive refractive power has a convex object-side surface; a second lens element with a negative refractive power has a convex object-side surface; a third lens element with a positive refractive power has a concave image-side surface; a fourth lens element with a negative refractive power has a concave image-side surface; a fifth lens element with a positive refractive power has a convex object-side surface; a sixth lens element with a negative refractive power has a concave object-side surface, and at least one of object-side and image-side surfaces of each lens element is aspheric. Thereby, such a system can be applied to a high resolution mobile phone.Type: ApplicationFiled: February 12, 2015Publication date: August 18, 2016Inventors: Fei-Hsin TSAI, Shu-Tzu LAI
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Publication number: 20150355433Abstract: An optical lens system with a wide field of view includes, in order from the object side to the image side: a stop; a first lens element with a positive refractive power having a convex image-side surface and at least one aspheric surface; a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having a concave object-side surface and at least one aspheric surface; and a fourth lens element with a negative refractive power having a convex object-side surface and at least one aspheric surface, at least one of the object-side and the image-side surfaces of the fourth lens element is formed with an inflection point.Type: ApplicationFiled: June 7, 2014Publication date: December 10, 2015Inventor: SHU-TZU LAI
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Patent number: 9188766Abstract: A five-piece optical lens system includes, in order from the object side to the image side: a stop, a first lens element with a positive refractive power has a convex image-side surface and at least one aspheric surface; a second lens element with a negative refractive power has a convex object-side surface and at least one aspheric surface; a third lens element has a concave image-side surface and at least one aspheric surface; a fourth lens element with a positive refractive power has a convex object-side surface and at least one aspheric surface, and a fifth lens element with a negative refractive power has a concave object-side surface and at least one aspheric surface. Thereby, such a system can be applied to a high resolution mobile phone.Type: GrantFiled: June 17, 2014Date of Patent: November 17, 2015Assignee: NEWMAX TECHNOLOGY CO., LTD.Inventors: Fei-Hsin Tsai, Shu-Tzu Lai
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Patent number: 8908287Abstract: A six-piece optical lens system includes, in order from the object side to the image side: a stop; a first lens element with a positive refractive power having a convex object-side surface; a second lens element with a negative refractive power having a concave image-side surface; a third lens element with a negative refractive power having a convex object-side surface; a fourth lens element with a positive refractive power having a convex image-side surface; a fifth lens element with a negative refractive power having a concave image-side surface; a sixth lens element with a negative refractive power having a concave object-side surface, each of the first, second, third, fourth, fifth and sixth lens elements has at least one aspheric surface. Thereby, such a system can be applied to a high resolution mobile phone, and has a wide field of view, big stop, high pixel, high resolution and low height.Type: GrantFiled: January 28, 2013Date of Patent: December 9, 2014Assignee: Newmax Technology Co., Ltd.Inventor: Shu-Tzu Lai
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Patent number: 8896935Abstract: A six-piece optical lens system comprises, in order from the object side to the image side: a first lens element with a positive refractive power having a convex object-side surface; a second lens element with a negative refractive power having a concave image-side surface; a third lens element with a negative refractive power; a fourth lens element with a positive refractive power having a concave object-side surface; a fifth lens element with a positive refractive power having a convex image-side surface; a sixth lens element with a negative refractive power having a concave image-side surface, each of the first, second, third, fourth, fifth and sixth lens elements has at least one aspheric surface. Thereby, such a system not only can be applied to a high resolution mobile phone, but also has a wide field of view, big stop, high pixel, high resolution and low height.Type: GrantFiled: January 31, 2013Date of Patent: November 25, 2014Assignee: Newmax Technology Co., Ltd.Inventor: Shu-Tzu Lai
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Publication number: 20140211326Abstract: A six-piece optical lens system comprises, in order from the object side to the image side: a first lens element with a positive refractive power having a convex object-side surface; a second lens element with a negative refractive power having a concave image-side surface; a third lens element with a negative refractive power; a fourth lens element with a positive refractive power having a concave object-side surface; a fifth lens element with a positive refractive power having a convex image-side surface; a sixth lens element with a negative refractive power having a concave image-side surface, each of the first, second, third, fourth, fifth and sixth lens elements has at least one aspheric surface. Thereby, such a system not only can be applied to a high resolution mobile phone, but also has a wide field of view, big stop, high pixel, high resolution and low height.Type: ApplicationFiled: January 31, 2013Publication date: July 31, 2014Applicant: NEWMAX TECHNOLOGY CO., LTD.Inventor: Shu-Tzu LAI
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Publication number: 20140211325Abstract: A six-piece optical lens system includes, in order from the object side to the image side: a stop; a first lens element with a positive refractive power having a convex object-side surface; a second lens element with a negative refractive power having a concave image-side surface; a third lens element with a negative refractive power having a convex object-side surface; a fourth lens element with a positive refractive power having a convex image-side surface; a fifth lens element with a negative refractive power having a concave image-side surface; a sixth lens element with a negative refractive power having a concave object-side surface, each of the first, second, third, fourth, fifth and sixth lens elements has at least one aspheric surface. Thereby, such a system can be applied to a high resolution mobile phone, and has a wide field of view, big stop, high pixel, high resolution and low height.Type: ApplicationFiled: January 28, 2013Publication date: July 31, 2014Applicant: NEWMAX TECHNOLOGY CO., LTD.Inventor: Shu-Tzu LAI
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Patent number: 8760774Abstract: A six-piece optical lens system comprises, in order from the object side to the image side: a stop, a first lens element with a positive refractive power having a convex object-side surface and at least one aspheric surface; a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having a convex image-side surface and at least one aspheric surface; a fourth lens element with a positive refractive power having a concave object-side surface and at least one aspheric surface; a fifth lens element having a convex image-side surface and at least one aspheric surface; a sixth lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface. Thereby, the total track length of the system will not be too long.Type: GrantFiled: February 17, 2012Date of Patent: June 24, 2014Assignee: Newmax Technology Co., Ltd.Inventors: Shu-Tzu Lai, Chun Sheng Lee
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Patent number: 8743484Abstract: A five-piece optical lens system includes, in order from the object side to the image side: a first lens element with a positive refractive power having a convex object-side surface and at least one aspheric surface; a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having at least one aspheric surface; a fourth lens element with a positive refractive power having a concave object-side surface and a convex image-side surface, and at least one aspheric surface; a fifth lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface. Thereby, such a system not only can be applied to a high resolution mobile phone, but also has a wide field of view, big stop, high pixel, high resolution and low height.Type: GrantFiled: September 3, 2012Date of Patent: June 3, 2014Assignee: Newmax Technology Co., Ltd.Inventor: Shu-Tzu Lai
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Publication number: 20140063619Abstract: A five-piece optical lens system includes, in order from the object side to the image side: a first lens element with a positive refractive power having a convex object-side surface and at least one aspheric surface; a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having at least one aspheric surface; a fourth lens element with a positive refractive power having a concave object-side surface and a convex image-side surface, and at least one aspheric surface; a fifth lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface. Thereby, such a system not only can be applied to a high resolution mobile phone, but also has a wide field of view, big stop, high pixel, high resolution and low height.Type: ApplicationFiled: September 3, 2012Publication date: March 6, 2014Inventor: Shu-Tzu Lai
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Patent number: 8547649Abstract: A five-piece optical lens system is provided with, in order from the object side to the image side: a stop, a first lens element with a positive refractive power having a convex image-side surface, one of the object-side surface and an image-side surface being aspheric; a second lens element with a negative refractive power having a concave image-side surface, one of the object-side surface and an image-side surface being aspheric; a third lens element with a positive refractive power having a convex image-side surface, one of an object-side surface and the image-side surface being aspheric; a fourth lens element having a concave object-side surface, one of the object-side surface and an image-side surface being aspheric; a fifth lens element with a negative refractive power having a convex image-side surface, one of an object-side surface and the image-side surface being aspheric.Type: GrantFiled: December 28, 2011Date of Patent: October 1, 2013Assignee: Newmax Technology Co., Ltd.Inventor: Shu-Tzu Lai
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Publication number: 20130215520Abstract: A six-piece optical lens system comprises, in order from the object side to the image side: a stop, a first lens element with a positive refractive power having a convex object-side surface and at least one aspheric surface; a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having a convex image-side surface and at least one aspheric surface; a fourth lens element with a positive refractive power having a concave object-side surface and at least one aspheric surface; a fifth lens element having a convex image-side surface and at least one aspheric surface; a sixth lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface. Thereby, the total track length of the system will not be too long.Type: ApplicationFiled: February 17, 2012Publication date: August 22, 2013Inventors: Shu-Tzu Lai, Chun Sheng Lee
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Publication number: 20130208171Abstract: A four-piece optical lens system comprises, in order from the object side to the image side: a first lens element with a positive refractive power having a convex image-side surface and at least one aspheric surface; a stop, a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having a convex image-side surface and at least one aspheric surface; a fourth lens element with a negative refractive power having a concave object-side surface and at least one aspheric surface. A distance from an object-side surface of the first lens element to an image plane is TL, an electronic sensor is provided on the image plane, half of the diagonal length of the electronic sensor's effective pixel region is ImgH, and they satisfy the relation: TL/ImgH<1.6.Type: ApplicationFiled: February 15, 2012Publication date: August 15, 2013Inventor: Shu-Tzu Lai
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Publication number: 20130170048Abstract: A five-piece optical lens system comprises, in order from the object side to the image side: a stop, a first lens element with a positive refractive power having a convex image-side surface, one of the object-side surface and an image-side surface being aspheric; a second lens element with a negative refractive power having a concave image-side surface, one of the object-side surface and an image-side surface being aspheric; a third lens element with a positive refractive power having a convex image-side surface, one of an object-side surface and the image-side surface being aspheric; a fourth lens element having a concave object-side surface, one of the object-side surface and an image-side surface being aspheric; a fifth lens element with a negative refractive power having a convex image-side surface, one of an object-side surface and the image-side surface being aspheric. The total track length of the system will not be too long.Type: ApplicationFiled: December 28, 2011Publication date: July 4, 2013Inventor: Shu-Tzu Lai
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Patent number: 8422151Abstract: The wide-angle imaging lens module includes four lenses arranged from an object side to an image side in a sequence of: the first lens, having a positive refractive power, a convex surface on the object side and at least one aspheric surface; a diaphragm; the second lens, having a positive refractive power, a concave surface on the object side and at least one aspheric surface; the third lens, having a positive refractive power, a concave surface on the object side and at least one aspheric surface; the fourth lens, having a negative refractive power, a convex surface on the object side and at least one aspheric surface. The first and the second lenses perform a symmetry concave, providing the wider field of view angle and the larger aperture. A structural design that allows lenses to restrain better aberrations performances of aspheric surfaces further provides high-definition and high imaging qualities.Type: GrantFiled: September 1, 2011Date of Patent: April 16, 2013Assignee: Newmax Technology Co., Ltd.Inventors: Shu-Tzu Lai, Fei-Hsin Tsai, Chun-Sheng Lee
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Publication number: 20130057969Abstract: The wide-angle imaging lens module includes four lenses arranged from an object side to an image side in a sequence of: the first lens, having a positive refractive power, a convex surface on the object side and at least one aspheric surface; a diaphragm; the second lens, having a positive refractive power, a concave surface on the object side and at least one aspheric surface; the third lens, having a positive refractive power, a concave surface on the object side and at least one aspheric surface; the fourth lens, having a negative refractive power, a convex surface on the object side and at least one aspheric surface. The first and the second lenses perform a symmetry concave, providing the wider field of view angle and the larger aperture. A structural design that allows lenses to restrain better aberrations performances of aspheric surfaces further provides high-definition and high imaging qualities.Type: ApplicationFiled: September 1, 2011Publication date: March 7, 2013Inventors: Shu-Tzu Lai, Fei-Hsin Tsai, Chun-Sheng Lee
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Publication number: 20130033766Abstract: An optical lens system comprises, in order from the object side to the image side: a first lens element with a positive refractive power having a convex object-side surface, one of the object-side surface and an image-side surface being aspheric; a stop; a second lens element with a negative refractive power having a concave object-side surface, one of the object-side surface and an image-side surface being aspheric; a third lens element with a positive refractive power having a concave image-side surface, one of an object-side surface and the image-side surface being aspheric. Focal lengths of the first, second and third lens elements are f1, f2, f3, respectively, they satisfy the relations: 0.4<|f1|/|f2|<1.0; 0.5<|f2|/|f3|<1.3. If |f1|/|f2| and |f2|/|f3| satisfy the above relations, it can provide a wide field of view and improve the resolution. Contrarily, the performance and resolution of the optical lens system will be reduced.Type: ApplicationFiled: August 2, 2011Publication date: February 7, 2013Inventor: Shu Tzu Lai
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Patent number: 8363335Abstract: An optical lens system comprises, in order from the object side to the image side: a first lens element with a positive refractive power having a convex object-side surface, one of the object-side surface and an image-side surface being aspheric; a stop; a second lens element with a negative refractive power having a concave object-side surface, one of the object-side surface and an image-side surface being aspheric; a third lens element with a positive refractive power having a concave image-side surface, one of an object-side surface and the image-side surface being aspheric. Focal lengths of the first, second and third lens elements are f1, f2, f3, respectively, they satisfy the relations: 0.4<|f1|/|f2|<1.0; 0.5<|f2|/|f3|<1.3. If |f1|/|f2| and |f2|/|f3| satisfy the above relations, it can provide a wide field of view and improve the resolution. Contrarily, the performance and resolution of the optical lens system will be reduced.Type: GrantFiled: August 2, 2011Date of Patent: January 29, 2013Assignee: Newmax Technology Co., Ltd.Inventor: Shu Tzu Lai
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Patent number: 8077399Abstract: A four-piece imaging lens module includes a fixed aperture diaphragm, a first lens, a second lens, a third lens and a fourth lens arranged from an object side to an image side in a sequence of: the diaphragm; the first lens of a positive refractive power, having a convex surface on the object side and at least one aspheric surface; the second lens of a negative refractive power with a meniscus shape, having a convex surface on the image side and at least one aspheric surface; the third lens of a positive refractive power with a meniscus shape, having a concave surface on the object side and at least one aspheric surface; the fourth lens of a positive refractive power, having a concave surface on the image side and at least one aspheric surface. The invention is to provide a four-piece imaging lens module with higher definition and higher yield rate.Type: GrantFiled: December 20, 2010Date of Patent: December 13, 2011Assignee: Newmax Technology Co., Ltd.Inventor: Shu-Tzu Lai