Patents by Inventor Kuo Wen Chang
Kuo Wen 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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Patent number: 9013813Abstract: An optical imaging lens set includes: a first lens element with positive refractive power having an image-side surface with a convex part in a vicinity of a circular periphery of the first lens element, a second lens element having an object-side surface with a convex part in a vicinity of a circular periphery of the second lens element, a third lens element having an object-side surface with a concave part in a vicinity of a circular periphery of the third lens element, a fourth lens element having a concave object-side surface, and a plastic fifth lens element having an image-side surface with a concave part in a vicinity of the optical axis. The air gap between the second lens element and the third lens element G23, and the air gap between the third lens element and the fourth lens element G34, satisfied the relation 1.40?G23/G34.Type: GrantFiled: May 31, 2013Date of Patent: April 21, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Sheng-Wei Hsu, Tzu-Chien Tang
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Publication number: 20150103419Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: ApplicationFiled: December 4, 2014Publication date: April 16, 2015Inventors: Kuo-Wen Chang, Poche Lee, Sheng Wei Hsu
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Patent number: 8988795Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.Type: GrantFiled: September 22, 2014Date of Patent: March 24, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Poche Lee, Kuo-Wen Chang, Long-Sheng Liao
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Publication number: 20150070785Abstract: An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. The first, second, and third lens elements have positive, negative, and negative refractive powers, respectively. The third lens element has an image-side surface having a convex portion in a vicinity of a periphery of the third lens element. The fourth lens element has a concave object-side surface. The fifth lens element has an object-side surface that has a convex portion in a vicinity of an optical axis of the imaging lens, and an image-side surface that has a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery of the fifth lens element.Type: ApplicationFiled: November 13, 2014Publication date: March 12, 2015Inventors: KUO-WEN CHANG, Poche Lee, Sheng-Wei Hsu
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Patent number: 8976463Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: GrantFiled: May 28, 2014Date of Patent: March 10, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Sheng Wei Hsu
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Publication number: 20150062723Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Though controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: ApplicationFiled: November 10, 2014Publication date: March 5, 2015Inventors: KUO-WEN CHANG, Poche Lee, Wei-Yu Lo
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Patent number: 8967814Abstract: An imaging lens includes a lens barrel having a base wall with a light incident hole around an optical axis, an imaging unit disposed in the lens barrel and including imaging components arranged along the optical axis, and a light shielding plate having an annular fixing portion for positioning the light shielding plate and a bent portion bent from an inner periphery of the fixing portion and extending slantingly toward the optical axis. The light shielding plate is disposed at one of a position between the base wall and one of the imaging components that is adjacent to the base wall, and a position between two adjacent ones of the imaging components.Type: GrantFiled: March 11, 2013Date of Patent: March 3, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventor: Kuo-Wen Chang
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Publication number: 20150055230Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: ApplicationFiled: May 28, 2014Publication date: February 26, 2015Applicant: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Sheng Wei Hsu
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Patent number: 8964307Abstract: An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. Through surface designs of the lens elements, the imaging lens has a relatively short overall length while maintaining good optical performance.Type: GrantFiled: July 8, 2013Date of Patent: February 24, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Sheng-Wei Hsu, Tzu-Chien Tang
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Patent number: 8958163Abstract: An optical imaging lens includes first, second, third, fourth and fifth lens elements positioned sequentially from an object side to an image side. The first lens element with positive refractive power has an object-side surface comprising a convex portion in the optical axis vicinity. The second lens element with negative refractive power has an object-side surface comprising a convex portion in the optical axis vicinity and an image-side surface comprising a concave portion in the optical axis vicinity. The third lens element has an image-side surface comprising a convex portion in the periphery. The fourth lens element has an image-side surface comprising a convex portion in the optical axis vicinity. The fifth lens element has an object-side surface comprising a convex portion in the optical axis vicinity and an image-side surface comprising a concave portion in the optical axis vicinity and a convex portion in the periphery.Type: GrantFiled: February 1, 2013Date of Patent: February 17, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Wei-Yu Lo
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Patent number: 8953255Abstract: An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. The first, second, and third lens elements have positive, negative, and negative refractive powers, respectively. The third lens element has an image-side surface having a convex portion in a vicinity of a periphery of the third lens element. The fourth lens element has a concave object-side surface. The fifth lens element has an object-side surface that has a convex portion in a vicinity of an optical axis of the imaging lens, and an image-side surface that has a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery of the fifth lens element.Type: GrantFiled: September 14, 2012Date of Patent: February 10, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Sheng-Wei Hsu
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Patent number: 8937775Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.Type: GrantFiled: June 11, 2014Date of Patent: January 20, 2015Assignee: Genius Electronic Optical Co., Ltd.Inventors: Poche Lee, Kuo-Wen Chang, Long-Sheng Liao
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Patent number: 8934181Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Though controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: GrantFiled: March 19, 2013Date of Patent: January 13, 2015Assignee: GeniuS Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Wei-Yu Lo
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Publication number: 20150009582Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.Type: ApplicationFiled: September 22, 2014Publication date: January 8, 2015Inventors: Poche Lee, Kuo-Wen Chang, Long-Sheng Liao
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Publication number: 20150002723Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements and designing an equation, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: ApplicationFiled: October 31, 2013Publication date: January 1, 2015Applicant: GeniuS Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Sheng Wei Hsu, Chih-Yang Yeh
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Publication number: 20150002722Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. The image-side surface of the first lens element has a convex portion in a vicinity of its periphery. The object-side surface of the second lens element has a concave portion in a vicinity of its periphery. The image-side surface of the second lens element has a convex portion in a vicinity of its periphery. The object-side surface of the third lens element has a concave portion in a vicinity of its periphery. The fourth lens element has a positive refractive power, and the object-side surface thereof has a concave portion in a vicinity of an optical axis. The fifth lens element is made of a plastic material.Type: ApplicationFiled: October 31, 2013Publication date: January 1, 2015Applicant: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Sheng-Wei Hsu, Chih-Yamg Yeh
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Patent number: 8922915Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.Type: GrantFiled: June 12, 2014Date of Patent: December 30, 2014Assignee: Genius Electronic Optical Co., Ltd.Inventors: Poche Lee, Kuo-Wen Chang, Long-Sheng Liao
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Patent number: 8913330Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: GrantFiled: May 28, 2014Date of Patent: December 16, 2014Assignee: Genius Electronic Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Sheng Wei Hsu
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Publication number: 20140347746Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.Type: ApplicationFiled: May 28, 2014Publication date: November 27, 2014Applicant: Genius Electronics Optical Co., Ltd.Inventors: Kuo-Wen Chang, Poche Lee, Sheng Wei Hsu
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Publication number: 20140293460Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.Type: ApplicationFiled: June 12, 2014Publication date: October 2, 2014Inventors: Poche Lee, Kuo-Wen Chang, Long-Sheng Liao