Patents by Inventor Sang-Hwan Cho
Sang-Hwan Cho 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: 12260043Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.Type: GrantFiled: September 8, 2023Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Han Yoo, Jung Woo Park, Hyang A Park, Dae Young Lee, Hyun Dae Lee, Kang Bin Jo, Sang Hwan Cho, Sung-Chan Jo
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Publication number: 20250035934Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4 ? d ? 1 / DP ? 1 ? 1 , ( 1 ) where DP1 is the first period, and d1 is the first length.Type: ApplicationFiled: October 14, 2024Publication date: January 30, 2025Inventors: Sang Hwan CHO, So Young LEE, Sun Young JUNG, Chung Sock CHOI, Sun Mi KANG, Hyun Ho KIM, Cheol JANG, Sang Hyun HAN
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Patent number: 12117613Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4?d1/DP1?1,??(1) where DP1 is the first period, and d1 is the first length.Type: GrantFiled: June 15, 2020Date of Patent: October 15, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hwan Cho, So Young Lee, Sun Young Jung, Chung Sock Choi, Sun Mi Kang, Hyun Ho Kim, Cheol Jang, Sang Hyun Han
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Publication number: 20240231534Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.Type: ApplicationFiled: September 8, 2023Publication date: July 11, 2024Inventors: Byung Han YOO, Jung Woo PARK, Hyang A PARK, Dae Young LEE, Hyun Dae LEE, Kang Bin JO, Sang Hwan CHO, Sung-Chan JO
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Publication number: 20240134478Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.Type: ApplicationFiled: September 7, 2023Publication date: April 25, 2024Inventors: Byung Han YOO, Jung Woo PARK, Hyang A PARK, Dae Young LEE, Hyun Dae LEE, Kang Bin JO, Sang Hwan CHO, Sung-Chan JO
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Publication number: 20230329020Abstract: A display device includes a substrate; and a plurality of unit pixels disposed on the substrate and including sub-pixels and photo-sensing pixels. Each of the sub-pixels includes a light emitting element and a light emitting area from which light is emitted. Each of the photo-sensing pixels includes a light receiving area and a light receiving element disposed therein and outputting a sensing signal corresponding to a degree of sensed light. The light emitting area and the light receiving area are spaced apart from each other on the substrate. The light emitting area and the light receiving area each have a polygonal shape. Aa shape of the light emitting area is different from a shape of the light receiving area.Type: ApplicationFiled: January 27, 2023Publication date: October 12, 2023Inventors: Kwang Soo Bae, Gun Hee Kim, Dae Young Lee, Sang Hwan Cho
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Patent number: 11770949Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.Type: GrantFiled: November 30, 2020Date of Patent: September 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hwan Cho, Chung Sock Choi, Hyun Ho Kim, So Young Lee, Cheol Jang, Sun Young Jung
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Patent number: 11360312Abstract: A display device includes a display panel including a substrate and a plurality of display elements disposed on the substrate, and a diffraction panel including a plurality of diffraction patterns disposed on a path of light emitted from the plurality of display elements. The plurality of diffraction patterns are disposed in a first direction to have a first period, each of the plurality of diffraction patterns includes a first refractive layer, a second refractive layer disposed on the first refractive layer, and a third refractive layer disposed on the second refractive layer, and a refractive index of the second refractive layer is higher than a refractive index of the first refractive layer and a refractive index of the third refractive layer.Type: GrantFiled: August 27, 2020Date of Patent: June 14, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chung Sock Choi, Hyun Ho Kim, So Young Lee, Sang Hwan Cho
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Publication number: 20210083228Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.Type: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Sang Hwan CHO, Chung Sock CHOI, Hyun Ho KIM, So Young LEE, Cheol JANG, Sun Young JUNG
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Patent number: 10903284Abstract: A display device, including: a substrate; a first light-emitting element disposed on the substrate; an encapsulation layer disposed on the first light-emitting element; an input sensing layer disposed on the encapsulation layer; and a diffraction pattern layer disposed on the input sensing layer. The diffraction pattern layer may include a plurality of diffraction patterns arranged to have a first period in one direction.Type: GrantFiled: May 16, 2018Date of Patent: January 26, 2021Assignee: Samsung Display Co., Ltd.Inventors: So Young Lee, Sun Mi Kang, Hyun Ho Kim, Cheol Jang, Sun Young Jung, Sang Hwan Cho, Chung Sock Choi, Sang Hyun Han
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Publication number: 20200393684Abstract: A display device includes a display panel including a substrate and a plurality of display elements disposed on the substrate, and a diffraction panel including a plurality of diffraction patterns disposed on a path of light emitted from the plurality of display elements. The plurality of diffraction patterns are disposed in a first direction to have a first period, each of the plurality of diffraction patterns includes a first refractive layer, a second refractive layer disposed on the first refractive layer, and a third refractive layer disposed on the second refractive layer, and a refractive index of the second refractive layer is higher than a refractive index of the first refractive layer and a refractive index of the third refractive layer.Type: ApplicationFiled: August 27, 2020Publication date: December 17, 2020Inventors: Chung Sock CHOI, Hyun Ho KIM, So Young LEE, Sang Hwan CHO
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Patent number: 10854849Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.Type: GrantFiled: July 23, 2018Date of Patent: December 1, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hwan Cho, Chung Sock Choi, Hyun Ho Kim, So Young Lee, Cheol Jang, Sun Young Jung
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Publication number: 20200348520Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4?d1/DP1?1,??(1) where DP1 is the first period, and d1 is the first length.Type: ApplicationFiled: June 15, 2020Publication date: November 5, 2020Inventors: Sang Hwan CHO, So Young LEE, Sun Young JUNG, Chung Sock CHOI, Sun Mi KANG, Hyun Ho KIM, Cheol JANG, Sang Hyun HAN
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Patent number: 10782529Abstract: A display device includes a display panel including a substrate and a plurality of display elements disposed on the substrate, and a diffraction panel including a plurality of diffraction patterns disposed on a path of light emitted from the plurality of display elements. The plurality of diffraction patterns are disposed in a first direction to have a first period, each of the plurality of diffraction patterns includes a first refractive layer, a second refractive layer disposed on the first refractive layer, and a third refractive layer disposed on the second refractive layer, and a refractive index of the second refractive layer is higher than a refractive index of the first refractive layer and a refractive index of the third refractive layer.Type: GrantFiled: July 23, 2018Date of Patent: September 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chung Sock Choi, Hyun Ho Kim, So Young Lee, Sang Hwan Cho
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Patent number: 10746995Abstract: Provided is a head mounted display device including a housing for providing a darkroom space, a display module in the housing and to display an image, and an optical lens for expanding the image to provide the image to a user. The display module includes a destructive interference structure which removes the image reflected from the optical lens without reflecting the image again.Type: GrantFiled: June 20, 2017Date of Patent: August 18, 2020Assignee: Samsung Display Co., Ltd.Inventors: Soyoung Lee, Sunyoung Jung, Hyunho Kim, Chungsock Choi, Sang-hwan Cho, Cheol Jang
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Patent number: 10684481Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4?d1/DP1?1,??(1) where DP1 is the first period, and d1 is the first length.Type: GrantFiled: March 29, 2018Date of Patent: June 16, 2020Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Sang Hwan Cho, So Young Lee, Sun Young Jung, Chung Sock Choi, Sun Mi Kang, Hyun Ho Kim, Cheol Jang, Sang Hyun Han
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Patent number: 10608308Abstract: An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter.Type: GrantFiled: September 26, 2018Date of Patent: March 31, 2020Assignee: KMW INC.Inventors: Nam-Shin Park, Joung-Hoe Kim, Don-Yong Lee, Kang-Hui Suh, Jong-Youn Jung, Sang-Hwan Cho, Dong-Cheon Kim, Sang-Yoong Kim, Yong-Jin Park, Oh-Kwon Kim
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Patent number: 10599000Abstract: The present disclosure provides a smart window including a first base layer and a second base layer positioned to face each other; a first conductive layer and a second conductive layer respectively positioned at inner surfaces of the first base layer and the second base layer; and an electrolyte layer interposed between the first conductive layer and the second conductive layer, wherein the first conductive layer includes a plurality of first nanostructures, and the second conductive layer includes a plurality of second nanostructures having a different average length from the plurality of first nanostructures.Type: GrantFiled: February 16, 2017Date of Patent: March 24, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sang Hwan Cho, Jong Lam Lee, Chung Sock Choi, So Young Lee, Sun Young Jung, Illhwan Lee, Ki Ryong Jeong
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Publication number: 20190094541Abstract: A display device includes a display panel including a substrate and a plurality of display elements disposed on the substrate, and a diffraction panel including a plurality of diffraction patterns disposed on a path of light emitted from the plurality of display elements. The plurality of diffraction patterns are disposed in a first direction to have a first period, each of the plurality of diffraction patterns includes a first refractive layer, a second refractive layer disposed on the first refractive layer, and a third refractive layer disposed on the second refractive layer, and a refractive index of the second refractive layer is higher than a refractive index of the first refractive layer and a refractive index of the third refractive layer.Type: ApplicationFiled: July 23, 2018Publication date: March 28, 2019Inventors: Chung Sock CHOI, Hyun Ho KIM, So Young LEE, Sang Hwan CHO
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Publication number: 20190088904Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.Type: ApplicationFiled: July 23, 2018Publication date: March 21, 2019Inventors: Sang Hwan CHO, Chung Sock CHOI, Hyun Ho KIM, So Young LEE, Cheol JANG, Sun Young JUNG