Patents by Inventor Phil Ho Jung
Phil Ho Jung 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: 20180059383Abstract: An imaging lens system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a positive refractive power. The F number of the system is 2.0 or less. The following Conditional Expression is satisfied: OAL/(Img HT)<1.50. In the expression, OAL represents a distance from an object-side surface of the first lens to an imaging plane, and Img HT represents a half of a diagonal length of the imaging plane.Type: ApplicationFiled: February 24, 2017Publication date: March 1, 2018Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Phil Ho JUNG
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Patent number: 9678308Abstract: An optical system includes: a first lens having refractive power and comprising an object-side surface which is convex in a paraxial region; a second lens having refractive power and comprising an object-side surface which is convex in the paraxial region; a third lens having refractive power; a fourth lens having refractive power; and a fifth lens having refractive power. The first to fifth lenses are sequentially disposed from an object side. An Abbe number of the first lens is between 30 and 50. Deteriorations in resolution at high temperatures and/or low temperatures may be decreased, MTF performance may be maintained even during temperature changes, and changes in focusing positions may be decreased. In addition, an aberration improvement effect, a wide field of view and a high degree of resolution may be implemented.Type: GrantFiled: March 23, 2015Date of Patent: June 13, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Phil Ho Jung
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Publication number: 20170146775Abstract: An optical imaging system includes lenses sequentially disposed from an object side toward an imaging plane and including a refractive power in paraxial regions or edges of the paraxial regions. An object-side surface of a fifth lens of the lenses is planar in a paraxial region and the fifth lens includes a refractive power at an edge of the paraxial region.Type: ApplicationFiled: April 26, 2016Publication date: May 25, 2017Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Phil Ho JUNG
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Patent number: 9423593Abstract: There is provided a first lens having a refractive power, an object-side surface thereof being convex toward an object; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power. The optical system satisfies the condition: T34/T23>8.0 where T23 is a distance between the second and third lenses, and T34 is a distance between the third and fourth lenses.Type: GrantFiled: April 9, 2014Date of Patent: August 23, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Yong Joo Jo
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Publication number: 20160187195Abstract: An illuminance sensor module includes: a lens having refractive power; a diffuser configured to scatter light incident through the lens; an illuminance sensor configured to receive the light passing through the diffuser; and a field stop disposed at a point at which the light is focused by the lens, wherein the lens, the diffuser, and the illuminance sensor are sequentially disposed in a direction from a light source.Type: ApplicationFiled: November 9, 2015Publication date: June 30, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Phil Ho JUNG, Ho Sik YOU
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Patent number: 9354423Abstract: A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: 1.0<f1/f<2.0??[Conditional Expression].Type: GrantFiled: July 1, 2014Date of Patent: May 31, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Il Yong Park, Yong Joo Jo, Ju Hwa Son, Jin Hwa Jung, Jae Hyun Baik, Ho Sik You, Phil Ho Jung, Kyu Min Chae
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Patent number: 9335511Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: GrantFiled: May 31, 2014Date of Patent: May 10, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Young Gi Kim
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Publication number: 20160124190Abstract: An optical system includes: a first lens having refractive power and comprising an object-side surface which is convex in a paraxial region; a second lens having refractive power and comprising an object-side surface which is convex in the paraxial region; a third lens having refractive power; a fourth lens having refractive power; and a fifth lens having refractive power. The first to fifth lenses are sequentially disposed from an object side. An Abbe number of the first lens is between 30 and 50. Deteriorations in resolution at high temperatures and/or low temperatures may be decreased, MTF performance may be maintained even during temperature changes, and changes in focusing positions may be decreased. In addition, an aberration improvement effect, a wide field of view and a high degree of resolution may be implemented.Type: ApplicationFiled: March 23, 2015Publication date: May 5, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Phil Ho JUNG
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Patent number: 9279959Abstract: An optical system may include: in order from an object side, a first lens having positive refractive power and an object-side surface convex in the object side direction; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power and an image-side surface convex in an image side direction; a fifth lens having negative refractive power and an image-side surface convex in the image side direction; and a sixth lens having negative refractive power and an image-side surface concave in the image side direction, such that bright, high resolution images may be implemented.Type: GrantFiled: August 7, 2014Date of Patent: March 8, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Yong Joo Jo
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Publication number: 20150338611Abstract: An optical system may include: in order from an object side, a first lens having positive refractive power and an object-side surface convex in the object side direction; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power and an image-side surface convex in an image side direction; a fifth lens having negative refractive power and an image-side surface convex in the image side direction; and a sixth lens having negative refractive power and an image-side surface concave in the image side direction, such that bright, high resolution images may be implemented.Type: ApplicationFiled: August 7, 2014Publication date: November 26, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Yong Joo Jo
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Patent number: 9091836Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: GrantFiled: August 29, 2014Date of Patent: July 28, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Young Gi Kim
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Publication number: 20150205069Abstract: There is provided an optical system including: a first lens having refractive power, an object-side surface thereof being convex toward an object; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power, wherein the optical system satisfies Conditional Expression 1: T34/T23>8.0??[Conditional Expression 1] where T23 is a distance (air gap) [mm] between the second and third lenses, and T34 is a distance (air gap) [mm] between the third and fourth lenses.Type: ApplicationFiled: April 9, 2014Publication date: July 23, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Phil Ho Jung, Yong Joo Jo
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Publication number: 20150131167Abstract: A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: 1.0<f1/f<2.0.Type: ApplicationFiled: December 30, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Il Yong PARK, Yong Joo Jo, Ju Hwa Son, Jin Hwa Jung, Jae Hyun Baik, Ho Sik You, Phil Ho Jung, Kyu Min Chae
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Publication number: 20150131172Abstract: A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: 1.0<f1/f<2.0.Type: ApplicationFiled: July 1, 2014Publication date: May 14, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Il Yong Park, Yong Joo Jo, Ju Hwa Son, Jin Hwa Jung, Jae Hyun Baik, Ho Sik You, Phil Ho Jung, Kyu Min Chae
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Publication number: 20150009584Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: ApplicationFiled: May 31, 2014Publication date: January 8, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Phil Ho Jung, Young Gi Kim
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Publication number: 20140368930Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f4/f<?3.0??[Conditional Expression 1] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Phil Ho Jung, Young Gi Kim
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Patent number: 8773768Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: GrantFiled: December 12, 2013Date of Patent: July 8, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Young Gi Kim
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Patent number: 8773770Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: GrantFiled: December 12, 2013Date of Patent: July 8, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Young Gi Kim
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Patent number: 8773769Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f ? ? 4 f < - 3.0 [ Conditional ? ? Expression ? ? 1 ] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.Type: GrantFiled: December 12, 2013Date of Patent: July 8, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Young Gi Kim
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Publication number: 20140118817Abstract: The present invention relates to a high resolution optical system. The optical system of the present invention includes, sequentially from an object side, a first lens having a positive refractive power and an object-side surface convex toward the object side; a second lens having a negative refractive power and an upwardly concave upper surface; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power and an upwardly convex upper surface; and a six lens having a negative refractive power and an upwardly concave upper surface.Type: ApplicationFiled: July 30, 2013Publication date: May 1, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Phil Ho Jung, Il Yong Park