Patents by Inventor Jong-gi Lee
Jong-gi Lee 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: 11975296Abstract: A pore-filled ion exchange polyelectrolyte composite membrane from which the surface ion exchange polyelectrolyte has been removed and a method of manufacturing the same are provided. The ion exchange polyelectrolyte composite membrane exhibits low film resistance and low in-plane-direction swelling degree, and has a smaller film-thickness than a commercial film, and thus, can be used for various purposes. In addition, since the pore-filled ion exchange polyelectrolyte composite membrane is continuously manufactured through a roll-to-roll process, the manufacturing process is simple, and manufacturing costs can be greatly reduced.Type: GrantFiled: April 29, 2019Date of Patent: May 7, 2024Assignee: Toray Advanced Materials Korea Inc.Inventors: Young Woo Choi, Mi Soon Lee, Tae Young Kim, Young Gi Yoon, Beom Jun Kim, Min Ho Seo, Chi Young Jung, Jong Min Lee, Nam-jo Jeong, Seung Cheol Yang, Ji Yeon Choi
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Patent number: 11966015Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system and each having a refractive power, wherein an entire field of view of the optical imaging system is 50° or greater, and TTL/f<1.0, where TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is an overall focal length of the optical imaging system.Type: GrantFiled: December 14, 2020Date of Patent: April 23, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Jong Gi Lee, Yong Joo Jo, Ju Sung Park
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Patent number: 11940599Abstract: An optical imaging system includes a first lens having a convex image-side surface, a second lens having a concave object-side surface, a third lens, a fourth lens, and a fifth lens disposed sequentially from an object side. The optical imaging system satisfies 4.8<f/IMG_HT<9.0, where f is a focal length of the optical imaging system, and IMG_HT is half a diagonal length of an imaging surface of an image sensor.Type: GrantFiled: August 27, 2020Date of Patent: March 26, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Jong Gi Lee, Hyo Jin Hwang, Sang Hyun Jang, Yong Joo Jo
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Publication number: 20240004164Abstract: An imaging lens system includes a first lens having refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power and having a convex object-side surface, a seventh lens having refractive power, and an eighth lens having refractive power, wherein a field of view (FOV) of the imaging lens system is 78-85 degrees.Type: ApplicationFiled: September 5, 2023Publication date: January 4, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTDInventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
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Patent number: 11803034Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2<BFL/(2*IMG HT)<2.0 where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.Type: GrantFiled: August 28, 2020Date of Patent: October 31, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Hyo Jin Hwang, Yong Joo Jo, Sang Hyun Jang, Jong Gi Lee
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Patent number: 11782241Abstract: An imaging lens system includes a first lens having refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power and having a convex object-side surface, a seventh lens having refractive power, and an eighth lens having refractive power, wherein a field of view (FOV) of the imaging lens system is 78-85 degrees.Type: GrantFiled: September 4, 2020Date of Patent: October 10, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Hyo Jin Hwang, Yong Joo Jo, Sang Hyun Jang, Jong Gi Lee
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Publication number: 20230305271Abstract: An imaging lens system is provided. The imaging lens system includes a first lens having a concave object-side surface; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having an Abbe number greater than 20 and less than 40; and a seventh lens having refractive power, wherein the first to seventh lenses are sequentially arranged from an object-side to an imaging side, and the imaging lens system satisfies the following conditional expressions: TTL/(ImgHT*2)<0.8, and 100°<FOV, where TTL is a distance from the object-side surface of the first lens to an imaging plane, ImgHT is a height of the imaging plane, and FOV is an angle of view of the imaging lens system.Type: ApplicationFiled: July 18, 2022Publication date: September 28, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Hwa JUNG, In Do SEO, Sang Hyun JANG, Jong Gi LEE
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Patent number: 11640100Abstract: A camera module includes a barrel defining a hole to receive light reflected from a subject, and defining a lens accommodation space to accommodate a plurality of lenses, a front lens accommodated in the lens accommodation space and disposed closest to the subject, a rear lens accommodated in the lens accommodation space and disposed closest to an imaging plane, and an intermediate lens disposed between the front lens and the rear lens. An inlet is defined in a side surface of the barrel, the inlet is connected to the lens accommodation space, and an adhesive bonding the intermediate lens to the barrel is disposed in the inlet.Type: GrantFiled: July 22, 2020Date of Patent: May 2, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Gi Lee, Jin Se Kim, Ju Sung Park
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Publication number: 20230108264Abstract: An imaging lens system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed from an object side. The fourth lens has negative refractive power and the fifth lens has negative refractive power, and a ratio (TTL/2lmgHT) between a distance (TTL) from an object-side surface of the first lens to an imaging plane and a diagonal length (2lmgHT) of the imaging plane is 0.6 or less.Type: ApplicationFiled: February 4, 2022Publication date: April 6, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Il Yong PARK, Jong Gi LEE, Dong Hyuk JANG, Han Ul YOUN
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Publication number: 20230108823Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2<BFL/(2*IMG HT)<2.0 where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.Type: ApplicationFiled: December 5, 2022Publication date: April 6, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
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Publication number: 20230072736Abstract: An optical system includes a first lens group including at least one lens, and a second lens group including at least one lens, wherein the first lens group and the second lens group are disposed in order from an object side, wherein each of the first lens group and the second lens group is configured to move in an optical axis direction to change a magnification between a wide-angle end and a telephoto end, and wherein G1F is a focal length of the first lens group, G2F is a focal length of the second lens group, and |G1F/G2F| has a value of between 0.5 and 1.Type: ApplicationFiled: April 15, 2022Publication date: March 9, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Hyuk JANG, Jong Gi LEE, Yong Joo JO
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Publication number: 20220128888Abstract: A camera module is provided. The camera module includes a first lens group including a foremost lens disposed closest to an object; a second lens group including a rearmost lens disposed closest to an imaging plane; and a lens barrel in which a first accommodation space and a second accommodating space are formed, the first accommodation space configured to accommodate the first lens group therein, and the second accommodating space configured to accommodate the second lens group therein. The second accommodation space may become narrower from an object side toward the imaging plane.Type: ApplicationFiled: January 14, 2021Publication date: April 28, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Gi LEE, Ju Hwa SON, Jong Ho AHN
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Publication number: 20210157103Abstract: An imaging lens system includes a first lens having refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power and having a convex object-side surface, a seventh lens having refractive power, and an eighth lens having refractive power, wherein a field of view (FOV) of the imaging lens system is 78-85 degrees.Type: ApplicationFiled: September 4, 2020Publication date: May 27, 2021Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTDInventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
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Publication number: 20210157102Abstract: An optical imaging system includes a first lens, a second lens, a third lens having negative refractive power, a fourth lens, a fifth lens, and a sixth lens, disposed in order from an object side. The optical imaging system has a field of view of 120 degrees or greater, and a distortion aberration at a highest height of an imaging plane is +30% or greater or ?30% or lower.Type: ApplicationFiled: September 2, 2020Publication date: May 27, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Jong Gi LEE, Sang Hyun JANG, Hyo Jin HWANG, Yong Joo JO
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Publication number: 20210096336Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system and each having a refractive power, wherein an entire field of view of the optical imaging system is 50° or greater, and TTL/f<1.0, where TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is an overall focal length of the optical imaging system.Type: ApplicationFiled: December 14, 2020Publication date: April 1, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Jong Gi LEE, Yong Joo JO, Ju Sung PARK
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Publication number: 20210063704Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2<BFL/(2*IMG HT)<2.0 where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.Type: ApplicationFiled: August 28, 2020Publication date: March 4, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
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Publication number: 20210063701Abstract: An optical imaging system includes a first lens having a convex image-side surface, a second lens having a concave object-side surface, a third lens, a fourth lens, and a fifth lens disposed sequentially from an object side. The optical imaging system satisfies 4.8<f/IMG_HT<9.0, where f is a focal length of the optical imaging system, and IMG_HT is half a diagonal length of an imaging surface of an image sensor.Type: ApplicationFiled: August 27, 2020Publication date: March 4, 2021Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ju Hwa SON, Jong Gi LEE, Hyo Jin HWANG, Sang Hyun JANG, Yong Joo JO
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Publication number: 20210063843Abstract: A camera module includes a barrel defining a hole to receive light reflected from a subject, and defining a lens accommodation space to accommodate a plurality of lenses, a front lens accommodated in the lens accommodation space and disposed closest to the subject, a rear lens accommodated in the lens accommodation space and disposed closest to an imaging plane, and an intermediate lens disposed between the front lens and the rear lens. An inlet is defined in a side surface of the barrel, the inlet is connected to the lens accommodation space, and an adhesive bonding the intermediate lens to the barrel is disposed in the inlet.Type: ApplicationFiled: July 22, 2020Publication date: March 4, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Gi LEE, Jin Se KIM, Ju Sung PARK
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Patent number: 10901184Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system and each having a refractive power, wherein an entire field of view of the optical imaging system is 50° or greater, and TTL/f<1.0, where TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is an overall focal length of the optical imaging system.Type: GrantFiled: October 5, 2018Date of Patent: January 26, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Jong Gi Lee, Yong Joo Jo, Ju Sung Park
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Patent number: RE49923Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on an external surface of the ceramic body, wherein the dielectric layer contains a barium titanate-based powder particle having a core-shell structure including a core and a shell around the core, the shell having a structure in which titanium is partially substituted with an element having the same oxidation number as that of the titanium in the barium titanate-based powder particle and having an ionic radius different from that of the titanium in the barium titanate-based powder particle, and the shell covers at least 30% of a surface of the core.Type: GrantFiled: June 22, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Woo Kim, Jong Ho Lee, Min Gi Sin, Hak Kwan Kim, Chin Mo Kim, Chi Hwa Lee, Hong Seok Kim, Woo Sup Kim, Chang Hwa Park