Patents by Inventor Tien-Liang Hsieh
Tien-Liang Hsieh 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: 11506866Abstract: An optical imaging lens including, in order from an object side to an image side, an aperture, a first lens, a second lens, a third lens, a fourth lens and a fifth lens, wherein the first lens has positive refractive power and includes a convex image-side surface; the second lens has negative refractive power and includes a convex object-side surface and a concave image-side surface; the third lens has positive refractive power and is biconvex; the fourth lens has positive refractive power and includes a concave object-side surface and a convex image-side surface; the fifth lens has negative refractive power and includes a convex object-side surface and a concave image-side surface. The object-side and image-side surfaces of the third lens, the fourth lens, and the fifth lens are aspheric. The optical imaging lens includes a total of five elements.Type: GrantFiled: August 31, 2020Date of Patent: November 22, 2022Assignee: ZHONG YANG TECHNOLOGY CO., LTD.Inventor: Tien-Liang Hsieh
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Publication number: 20220019056Abstract: An optical imaging lens including, in order from an object side to an image side, an aperture, a first lens, a second lens, a third lens, a fourth lens and a fifth lens, wherein the first lens has positive refractive power and includes a convex image-side surface; the second lens has negative refractive power and includes a convex object-side surface and a concave image-side surface; the third lens has positive refractive power and is biconvex; the fourth lens has positive refractive power and includes a concave object-side surface and a convex image-side surface; the fifth lens has negative refractive power and includes a convex object-side surface and a concave image-side surface. The object-side and image-side surfaces of the third lens, the fourth lens, and the fifth lens are aspheric. The optical imaging lens includes a total of five elements.Type: ApplicationFiled: August 31, 2020Publication date: January 20, 2022Inventor: Tien-Liang Hsieh
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Patent number: 11221467Abstract: An optical imaging lens including an aperture, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element arranged in sequence from an object side to an image side along an optical axis is provided. The lens elements having refractive power of the optical imaging lens are only the abovementioned five lens elements. The refractive powers of the first to the fifth lens elements are positive, negative, negative, negative and positive. An object-side surface of the first lens element is a convex surface. An object-side surface of the second lens element is a convex surface, and an image-side surface of the second lens element is a concave surface. An image-side surface of the third lens element is a concave surface. An object-side surface of the fourth lens element is a concave surface.Type: GrantFiled: June 24, 2019Date of Patent: January 11, 2022Assignee: SENYUN PRECISION OPTICAL CORPORATIONInventor: Tien-Liang Hsieh
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Patent number: 11036032Abstract: A wide-angle imaging lens including a first lens element, a second lens element, an aperture, a third lens element, a fourth lens element and a fifth lens element arranged in sequence from an object side to an image side along an optical axis is provided. The refractive powers of the first to the fifth lens elements are negative, positive, positive, and negative.Type: GrantFiled: July 4, 2019Date of Patent: June 15, 2021Assignee: SENYUN PRECISION OPTICAL CORPORATIONInventor: Tien-Liang Hsieh
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Publication number: 20200073090Abstract: A wide-angle imaging lens including a first lens element, a second lens element, an aperture, a third lens element, a fourth lens element and a fifth lens element arranged in sequence from an object side to an image side along an optical axis is provided. The refractive powers of the first to the fifth lens elements are negative, positive, positive, and negative.Type: ApplicationFiled: July 4, 2019Publication date: March 5, 2020Applicant: SENYUN PRECISION OPTICAL CORPORATIONInventor: Tien-Liang Hsieh
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Publication number: 20200073076Abstract: An optical imaging lens including an aperture, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element arranged in sequence from an object side to an image side along an optical axis is provided. The lens elements having refractive power of the optical imaging lens are only the abovementioned five lens elements. The refractive powers of the first to the fifth lens elements are positive, negative, negative, negative and positive. An object-side surface of the first lens element is a convex surface. An object-side surface of the second lens element is a convex surface, and an image-side surface of the second lens element is a concave surface. An image-side surface of the third lens element is a concave surface. An object-side surface of the fourth lens element is a concave surface.Type: ApplicationFiled: June 24, 2019Publication date: March 5, 2020Applicant: SENYUN PRECISION OPTICAL CORPORATIONInventor: Tien-Liang Hsieh
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Patent number: 10571659Abstract: A wide angle imaging lens assembly includes a first lens element, an aperture, a second lens element, a third lens element, a fourth lens element, and a fifth lens element from an object side to an image side in order along an optical axis. The first lens element to the fifth lens element each includes an object-side surface facing the object side and an image-side surface facing the image side. The wide angle imaging lens assembly satisfies 1.25?f/f2?2.1 and (R5+R6)/(R5?R6)>0.25, where f is the effective focal length of the wide angle imaging lens assembly, f2 is the focal length of the second lens element, R5 is the radius of curvature of the object-side surface of the third lens element, and R6 is the radius of curvature of the image-side surface of the third lens element.Type: GrantFiled: June 19, 2017Date of Patent: February 25, 2020Assignee: SENYUN PRECISION OPTICAL CORPORATIONInventor: Tien-Liang Hsieh
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Publication number: 20180314038Abstract: A wide angle imaging lens assembly includes a first lens element, an aperture, a second lens element, a third lens element, a fourth lens element, and a fifth lens element from an object side to an image side in order along an optical axis. The first lens element to the fifth lens element each includes an object-side surface facing the object side and an image-side surface facing the image side. The wide angle imaging lens assembly satisfies 1.25?f/f2?2.1 and (R5+R6)/(R5?R6)>0.25, where f is the effective focal length of the wide angle imaging lens assembly, f2 is the focal length of the second lens element, R5 is the radius of curvature of the object-side surface of the third lens element, and R6 is the radius of curvature of the image-side surface of the third lens element.Type: ApplicationFiled: June 19, 2017Publication date: November 1, 2018Applicant: SENYUN PRECISION OPTICAL CORPORATIONInventor: Tien-Liang Hsieh
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Patent number: 9223113Abstract: An imaging optical system includes, in order from the object side to the image side, an aperture 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 convex image-side surface in the vicinity of an outer circumference, a third lens element with a positive refractive power having a concave object-side surface in a vicinity of an optical axis and a convex image-side surface in the vicinity of the optical axis, and a fourth lens element having a concave image-side surface in the vicinity of the optical axis and a convex image-side surface in the vicinity of the outer circumference. The sum of thicknesses of the first, second, third, and fourth lens elements and the sum of total air gaps therebetween satisfy specific conditions.Type: GrantFiled: October 9, 2013Date of Patent: December 29, 2015Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.Inventor: Tien-liang Hsieh
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Publication number: 20150098009Abstract: An imaging optical system includes, in order from the object side to the image side, an aperture 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 convex image-side surface in the vicinity of an outer circumference, a third lens element with a positive refractive power having a concave object-side surface in a vicinity of an optical axis and a convex image-side surface in the vicinity of the optical axis, and a fourth lens element having a concave image-side surface in the vicinity of the optical axis and a convex image-side surface in the vicinity of the outer circumference. The sum of thicknesses of the first, second, third, and fourth lens elements and the sum of total air gaps therebetween satisfy specific conditions.Type: ApplicationFiled: October 9, 2013Publication date: April 9, 2015Applicant: Genius Electronic Optical Co., Ltd.Inventor: Tien-liang Hsieh
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Patent number: 8982470Abstract: A projection apparatus including an image source, an imaging module and a beam splitting module is provided. The image source provides an image beam. The imaging module is disposed on a transmission path of the image beam and has an aperture stop. The beam splitting module is disposed on the transmission path of the image beam and located on or near the aperture stop. The beam splitting module includes a plurality of aperture stop sub-regions, and the beam splitting module separates a plurality of image sub-beams of the image beam irradiating these different aperture stop sub-regions. These image sub-beams respectively propagate towards different directions after travelling to these aperture stop sub-regions.Type: GrantFiled: November 19, 2012Date of Patent: March 17, 2015Assignee: Coretronic CorporationInventors: Chuan-Te Cheng, Tao-Hung Kuo, Tien-Liang Hsieh
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Publication number: 20130271844Abstract: A projection apparatus including an image source, an imaging module and a beam splitting module is provided. The image source provides an image beam. The imaging module is disposed on a transmission path of the image beam and has an aperture stop. The beam splitting module is disposed on the transmission path of the image beam and located on or near the aperture stop. The beam splitting module includes a plurality of aperture stop sub-regions, and the beam splitting module separates a plurality of image sub-beams of the image beam irradiating these different aperture stop sub-regions. These image sub-beams respectively propagate towards different directions after travelling to these aperture stop sub-regions.Type: ApplicationFiled: November 19, 2012Publication date: October 17, 2013Inventors: Chuan-Te Cheng, Tao-Hung Kuo, Tien-Liang Hsieh