Patents by Inventor Ji-hun Ryu
Ji-hun Ryu 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: 20220058254Abstract: A display device including a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and a fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.Type: ApplicationFiled: November 7, 2021Publication date: February 24, 2022Inventors: Won Sang PARK, Jin Oh KWAG, ILNAM KIM, Ji Hun RYU, Seung Hyun MOON, Bong Hyun YOU, Jong Hyun LEE, Hee Chul HWANG
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Publication number: 20220050986Abstract: A display device includes a display panel, a metal plate disposed on a bottom surface of the display panel and configured to support the display panel, a filling member disposed on the bottom surface of the display panel, the filling member being disposed on the same level as the metal plate relative to the bottom surface of the display panel, and a material of the metal plate being different from a material of the filling member, a fingerprint sensor disposed on a bottom surface of the filling member, and a member-sensor bonding member disposed between the fingerprint sensor and the filling member to bond the fingerprint sensor to the filling member. A hardness of the filling member is greater than a hardness of the member-sensor bonding member.Type: ApplicationFiled: August 17, 2021Publication date: February 17, 2022Inventors: Jae Hyung Jo, Ji Hun Ryu, Kwang Hyun Baek, Jong In Baek, Su Yul Seo, Sung Ho Jin
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Publication number: 20220036032Abstract: A display device includes a display panel, an input sensor, and a control unit. The display panel includes a light blocking layer that includes an opening. The input sensor includes a first sensing element, a second sensing element, and a third sensing element. The control unit calculates a first distance between the first sensing element and the second sensing element when the display panel is in a first state and the second sensing element overlaps the opening, calculates a second distance between the first sensing element and a third sensing element when the display device is in a second state that differs from that of the first state and the third sensing element overlaps the opening, and corrects an image obtained from the input sensor on the basis of the first distance and the second distance.Type: ApplicationFiled: April 29, 2021Publication date: February 3, 2022Inventors: JI-HUN RYU, KWANGHYUN BAEK, JONGIN BAEK, SUYUL SEO, JAEHYUNG JO, SUNGHO JIN
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Patent number: 11238256Abstract: A display deice is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.Type: GrantFiled: May 29, 2020Date of Patent: February 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hun Ryu, Il Nam Kim, Jong Hyun Lee, Jae Kyoung Kim, Eun Jin Sung, Seong Ryong Lee
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Publication number: 20220011231Abstract: The present invention relates to a biomolecule detection apparatus capable of easily and quickly detecting various biomolecules associated with diseases and determining the presence or absence of a specific disease. The biomolecule detection apparatus of the present invention includes a micropore device, a microchip, and sensing electrodes. According to the present invention, a microscale pore is formed inside the micropore device. In addition, the microchip is configured to pass through the microscale pore along the flow of a conductive liquid supplied inside the micropore device, has a surface coated with a sensing molecule complementarily bound to a target biomolecule, and has a unique code for identifying the complementarily bound target biomolecule. The sensing electrodes serve to sense the code by measuring change in current flowing through the pore when the microchip passes through the pore.Type: ApplicationFiled: November 13, 2019Publication date: January 13, 2022Inventors: Chang Soo HAN, Ki Wan BONG, Se Hyun SHIN, Ji Hun RYU, Hyeon Ung KIM
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Publication number: 20210397803Abstract: The present disclosure provides a display device with fingerprint sensor in a manner capable of strengthening a display device integrating the fingerprint sensor. The display device includes a display panel including a display area, a cover panel, a fingerprint sensor, and a reinforcing member. The cover panel is disposed on a rear surface of the display panel and includes an opening. The fingerprint sensor is disposed on the rear surface of the display panel in the opening of the cover panel and includes a sensor layer. The reinforcing member is disposed on a rear surface of the fingerprint sensor. The reinforcing member includes a sidewall surrounding at least one area of the sensor layer while being in contact with the rear surface of the fingerprint sensor, and a bottom surface which extends from the sidewall and is spaced apart from the sensor layer.Type: ApplicationFiled: March 19, 2021Publication date: December 23, 2021Inventors: JI HUN RYU, Kwang Hyun Baek, Su Yul Seo, Dong Hwan Lee, Jae Hyung Jo, Sung Ho Jin
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Patent number: 11200398Abstract: A display device including a display panel having a display area including a plurality of pixels and a non-display area surrounding at least one side of the display area, a light blocking layer at least partially overlapping the display area and including opening portions for selectively passing incident light, and a power supply device configured to supply power to the pixels and the light blocking layer, in which the power supply device is configured to apply control power having a different voltage value in correspondence with a type of an image to be displayed in the display area to the light blocking layer, during a display period.Type: GrantFiled: August 21, 2020Date of Patent: December 14, 2021Assignee: Samsung Display Co., Ltd.Inventors: Il Nam Kim, Jae Kyoung Kim, Ji Hun Ryu, Eun Jin Sung, Seong Ryong Lee, Jong Hyun Lee
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Patent number: 11170090Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.Type: GrantFiled: August 19, 2020Date of Patent: November 9, 2021Assignee: Samsung Display Co., LTD.Inventors: Won Sang Park, Jin Oh Kwag, Il Nam Kim, Ji Hun Ryu, Seung Hyun Moon, Bong Hyun You, Jong Hyun Lee, Hee Chul Hwang
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Patent number: 11152435Abstract: A display device includes a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.Type: GrantFiled: March 4, 2020Date of Patent: October 19, 2021Assignee: Samsung Display Co., Ltd.Inventors: Ji Hun Ryu, Eun Jin Sung, Yun Ho Kim, Il Nam Kim, Won Sang Park
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Publication number: 20210295006Abstract: Provided is a display device including a display panel defining a folding area and a non-folding area and including a base layer, a circuit layer on the base layer, and a display element layer on the circuit layer, an input sensor below the display panel and defining a sensing area overlapping the non-folding area, and a light shielding layer between the display element layer and the input sensor, where the light shielding layer defines a plurality of holes in a first portion of the light shielding layer at the non-folding area, and a cut portion in a second portion of the light shielding layer at the folding area.Type: ApplicationFiled: December 29, 2020Publication date: September 23, 2021Inventors: Ji-hun RYU, Ilnam KIM, Jae-Kyoung KIM, Jongin BAEK, Eunjin SUNG, Seongryong LEE, Jonghyun LEE
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Publication number: 20210249495Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.Type: ApplicationFiled: August 26, 2020Publication date: August 12, 2021Inventors: Sun Hwa LEE, Mu Kyung JEON, Il Nam KIM, Ji Hun RYU, Ki Hyun PYO
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Patent number: 11088219Abstract: A display device including a plurality of pixels arranged in a matrix includes a substrate, a first anode disposed on the substrate, and opaque conductive layers disposed between the substrate and the first anode, in which the plurality of pixels include an opening pixel including a first anode arrangement region, a pinhole region located around the first anode arrangement region and surrounded by the first anode, and a first anode non-arrangement region including an exposed region located outside the first anode, and the opaque conductive layers completely cover the exposed region and at least partially expose the pinhole region.Type: GrantFiled: November 12, 2019Date of Patent: August 10, 2021Assignee: Samsung Display Co., Ltd.Inventors: Ji Hun Ryu, Yun Ho Kim, Il Nam Kim, Eun Jin Sung
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Publication number: 20210225989Abstract: A display device including a substrate; a display element layer on the substrate, the display element layer including light emitting devices; a circuit element layer between the substrate and the display element layer, the circuit element layer including signal lines and light transmitting areas which are located between the signal lines in a plan view and allow light to be transmitted therethrough; a first light blocking layer between the substrate and the circuit element layer, the first light blocking layer including first openings; and a second light blocking layer on the first light blocking layer, the second light blocking layer including second openings. The second light blocking layer includes second sub-light blocking layers disposed to be spaced apart from each other, the second sub-light blocking layers each having the second openings. The first openings of the first light blocking layer overlaps with an area between the second sub-light blocking layers.Type: ApplicationFiled: September 22, 2020Publication date: July 22, 2021Inventors: Ji Hun RYU, II Nam KIM, Won Sang PARK, Eun Jin SUNG, Seong Ryong LEE, Jong Hyun LEE
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Publication number: 20210225970Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.Type: ApplicationFiled: December 24, 2020Publication date: July 22, 2021Inventors: Ji-hun RYU, IlNam KIM, Jae-Kyoung KIM, WonSang PARK, Eunjin SUNG, SEONGRYONG LEE, Jonghyun LEE
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Patent number: 11069755Abstract: A display panel includes a flexible electrochromic substrate comprising a first flexible substrate layer, a second flexible substrate layer opposing to the first flexible substrate layer and an electrochromic part disposed between the first and second flexible substrate layers and configured to discolor in response to a driving signal, a transistor layer disposed on the flexible electrochromic substrate, the transistor layer comprising a plurality of transistors and an organic light emitting diode layer disposed on the flexible electrochromic substrate on which the transistor layer is disposed, the organic light emitting diode layer comprising a plurality of organic light emitting diodes connected to the plurality of transistors.Type: GrantFiled: September 18, 2017Date of Patent: July 20, 2021Inventors: Seung-Ho Jung, Chaun-Gi Choi, Yo-Seoph Ko, Ji-Hun Ryu, Tae-Kyung Ahn, Joo-Hee Jeon
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Patent number: 11024682Abstract: The fingerprint sensor may include: a light transmitting hole array layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.Type: GrantFiled: November 19, 2019Date of Patent: June 1, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Il Nam Kim, Yun Ho Kim, Ji Hun Ryu, Eun Jin Sung
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Patent number: 10977468Abstract: An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.Type: GrantFiled: June 6, 2019Date of Patent: April 13, 2021Inventors: Ji Hun Ryu, Katsumasa Yoshii, Yun Ho Kim, Il Nam Kim, Eun Jin Sung
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Patent number: 10971563Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.Type: GrantFiled: February 15, 2019Date of Patent: April 6, 2021Assignee: Samsung Display Co., Ltd.Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
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Publication number: 20210055826Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.Type: ApplicationFiled: August 19, 2020Publication date: February 25, 2021Inventors: Won Sang PARK, Jin Oh Kwag, II Nam Kim, Ji Hun Ryu, Seung Hyun Moon, Bong Hyun You, Jong Hyun Lee, Hee Chul Hwang
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Publication number: 20210056282Abstract: A display device including a display panel having a display area including a plurality of pixels and a non-display area surrounding at least one side of the display area, a light blocking layer at least partially overlapping the display area and including opening portions for selectively passing incident light, and a power supply device configured to supply power to the pixels and the light blocking layer, in which the power supply device is configured to apply control power having a different voltage value in correspondence with a type of an image to be displayed in the display area to the light blocking layer, during a display period.Type: ApplicationFiled: August 21, 2020Publication date: February 25, 2021Inventors: Il Nam KIM, Jae Kyoung KIM, Ji Hun RYU, Eun Jin SUNG, Seong Ryong LEE, Jong Hyun LEE