Patents by Inventor Il Nam
Il Nam 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: 20240136863Abstract: A magnet assembly for a mobile terminal according to an embodiment includes a base member incorporated into the mobile terminal, and a magnetic member provided on one surface of the base member and including at least one slit formed therein. A wireless charging device for a mobile terminal is capable of being coupled to the magnet assembly by a magnetic force, and the wireless charging device includes a charging module which generates an induced current for charging the mobile terminal, and is coupled to the magnetic member by the magnetic force.Type: ApplicationFiled: January 19, 2023Publication date: April 25, 2024Inventors: Seung Jae LEE, Jae Il NAM
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Publication number: 20240135744Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.Type: ApplicationFiled: September 27, 2023Publication date: April 25, 2024Inventors: Hyun Dae LEE, Il Nam KIM, Hyoung Wook JANG, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
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Publication number: 20240135595Abstract: The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.Type: ApplicationFiled: October 17, 2023Publication date: April 25, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Da Yun NAM, Hyun Cheol KIM, Jeong Il SEO, Seong Yong LIM, Chae Eun RHEE, Gwang Cheol RYU, Yong Wook SEO, Hyun Min JUNG
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Adhesive protective film, optical member comprising the same and optical display comprising the same
Patent number: 11958993Abstract: Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.Type: GrantFiled: May 27, 2021Date of Patent: April 16, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Irina Nam, Tae Ji Kim, Won Kim, Il Jin Kim, Jung Hyo Lee, Oh Hyeon Hwang -
Patent number: 11929032Abstract: A display device comprises a display panel which comprises scan lines, sensing lines, pixels electrically connected to each of the scan lines, and photo sensors electrically to each of the scan lines and the sensing lines, a scan driver which outputs scan signals to the scan lines according to a scan control signal, a timing controller which outputs the scan control signal to the scan driver, and a readout circuit which receives light sensing signals of the photo sensors from the sensing lines. The timing controller sets a frame frequency of the scan control signal to a first frame frequency in a first mode in which the display panel displays an image. The timing controller sets the frame frequency of the scan control signal to a second frame frequency in a second mode in which the photo sensors sense a fingerprint.Type: GrantFiled: August 15, 2022Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Dae Lee, Il Nam Kim, Seung Hyun Moon, Dong Wook Yang, Kang Bin Jo, Go Eun Cha
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Patent number: 11922714Abstract: Provided is a display device. The display device includes a display panel which includes a base substrate, a thin-film transistor layer on the base substrate, and a light emitting element layer comprising light emitting elements on the thin-film transistor layer; a cover window on the light emitting element layer of the display panel; and a fingerprint recognition sensor layer under the display panel. The base substrate includes a first base, a second base on the first base, and a light blocking layer between the first base and the second base, and the light blocking layer includes holes through which light reflected by a finger touching the cover window passes.Type: GrantFiled: July 16, 2020Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jong Hyun Lee, Ji Hun Ryu, Il Nam Kim, Jong In Baek, Eun Jin Sung
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Patent number: 11912804Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.Type: GrantFiled: October 11, 2019Date of Patent: February 27, 2024Assignee: LG Chem, Ltd.Inventors: Kwang Jin Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Chang No Lee, Sang Hoon Han
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Publication number: 20240029470Abstract: A display device includes light emitting and receiving pixels, a reset line, a fingerprint scan line, a fingerprint sensing line, and first and second voltage lines in a display region. Each light receiving pixel includes a light receiving element including a first electrode and a second electrode connected to the second voltage line, a sensing transistor connecting the first electrode to the fingerprint sensing line according to a fingerprint scan signal applied to the fingerprint scan line and a reset transistor to connect the first voltage line to the first electrode according to a reset signal applied to the reset line. A first voltage applied to the first voltage line is greater than a second voltage applied to the second voltage line, and a third voltage applied to the fingerprint sensing line is greater than the second voltage and smaller than the first voltage.Type: ApplicationFiled: October 5, 2023Publication date: January 25, 2024Inventors: Jong Hyun LEE, Il Nam KIM, Kang Bin JO, Dong Wook YANG
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Publication number: 20230402014Abstract: A display device includes: a display panel; a scan driver to provide scan signals to scan lines; an emission driver to provide emission control signals to emission control lines; and a readout circuit to receive a sensing signal from a readout line. The display panel includes: a first pixel in a first row, and connected to a first sub-scan line from among the scan lines, and a first emission control line; a first photo sensor in the first row, and connected to the first sub-scan line, a reset control line, and the readout line; a second pixel in a second row, and connected to a second sub-scan line from among the scan lines, and a second emission control line; and a second photo sensor in the second row, and connected to the second sub-scan line, a third emission control line, and the readout line.Type: ApplicationFiled: March 28, 2023Publication date: December 14, 2023Inventors: Il Nam KIM, Hyun Dae LEE, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
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Patent number: 11830282Abstract: A fingerprint sensor includes: a first layer including a plurality of pixels; a light transmitting hole array layer including a plurality of light transmitting holes providing light transmitting paths of light rays that are incident through the first layer; and a sensor layer including a plurality of photo sensors configured to sense the light rays that pass through the light transmitting holes and are incident on the sensor layer. A resolution at which the photo sensors are disposed in first areas on the sensor layer differs from a resolution at which the photo sensors are disposed in second areas on the sensor layer.Type: GrantFiled: December 5, 2022Date of Patent: November 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Il Nam Kim, Won Sang Park
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Publication number: 20230371321Abstract: 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: July 10, 2023Publication date: November 16, 2023Inventors: Sun Hwa LEE, Mu Kyung JEON, Il Nam KIM, Ji Hun RYU, Ki Hyun PYO
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Patent number: 11817158Abstract: An operation method of a nonvolatile memory device which includes a memory block having wordlines includes performing an erase on the memory block, performing a block verification on the memory block by using a 0-th erase verification voltage, performing a delta verification on the memory block by using a first erase verification voltage different from the 0-th erase verification voltage when a result of the block verification indicates a pass, and outputting information about an erase result of the memory block based on the result of the block verification or a result of the delta verification. The delta verification includes generating delta counting values respectively corresponding to wordline groups by using the first erase verification voltage, generating a delta value based on the delta counting values, and comparing the delta value and a first reference value.Type: GrantFiled: December 12, 2022Date of Patent: November 14, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Doo-Yeun Jung, Young-Jin Cho, Bu-Il Nam, Nari Lee, Yeji Nam, Sangyong Yoon
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Publication number: 20230360427Abstract: A display device including: scan lines including first and second scan lines; pixels connected to the scan lines; photo sensors connected to some of the scan lines, the photo sensors including a first photo sensor connected to the first scan line and a readout line, and a second photo sensor connected to the second scan line and the readout line; a scan driver to provide scan signals to the scan lines; and a readout circuit to receive, through the readout line, detection signals which are outputted from the photo sensors in response to the scan signals, wherein, while the scan signals are provided to the first and second scan lines, the readout circuit samples a detection signal of one of the first photo sensor and the second photo sensor without sampling a detection signal of the other one of the first photo sensor and the second photo sensor.Type: ApplicationFiled: April 18, 2023Publication date: November 9, 2023Inventors: Il Nam KIM, Seung Hyun MOON, Dong Wook YANG, Hyun Dae LEE, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
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Patent number: 11795258Abstract: A method for preparing a core-shell copolymer includes polymerizing a core by polymerizing 70 to 90 parts by weight of a methyl (meth)acrylate monomer and 1 part to 20 parts by weight of a C2-C12 alkyl (meth)acrylate monomer, based on 100 parts by weight of the total content of the monomer; at a point when a polymerization conversion ratio is 70% to 90% in the polymerization of the core, polymerizing the core by adding and polymerizing 1 part to 10 parts by weight of the methyl (meth)acrylate monomer and 0.04 to 0.7 parts by weight of a polyfunctional acrylic cross-linking agent; and polymerizing a core-shell copolymer by adding and polymerizing 1 to 10 parts by weight of the methyl (meth)acrylate monomer and 1 to 10 parts by weight of an aromatic vinyl monomer in the presence of the core.Type: GrantFiled: July 10, 2019Date of Patent: October 24, 2023Inventors: Chang No Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Kwang Jin Lee
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Patent number: 11783620Abstract: A display device includes light emitting and receiving pixels, a reset line, a fingerprint scan line, a fingerprint sensing line, and first and second voltage lines in a display region. Each light receiving pixel includes a light receiving element including a first electrode and a second electrode connected to the second voltage line, a sensing transistor connecting the first electrode to the fingerprint sensing line according to a fingerprint scan signal applied to the fingerprint scan line and a reset transistor to connect the first voltage line to the first electrode according to a reset signal applied to the reset line. A first voltage applied to the first voltage line is greater than a second voltage applied to the second voltage line, and a third voltage applied to the fingerprint sensing line is greater than the second voltage and smaller than the first voltage.Type: GrantFiled: May 11, 2022Date of Patent: October 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Hyun Lee, Il Nam Kim, Kang Bin Jo, Dong Wook Yang
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Publication number: 20230320168Abstract: A display device includes a substrate having an active region and a first non-active region positioned around the active region. A plurality of pixels is disposed in the active region and emits light. A light source unit is disposed in the first non-active region and emits light. A plurality of optical sensors is disposed in the active region and senses incident light emitted by the light source unit. An encapsulation layer is disposed on the plurality of pixels, the plurality of optical sensors, and the light source unit. A scattering pattern layer is disposed on the encapsulation layer in the first non-active region and includes a plurality of holes.Type: ApplicationFiled: January 6, 2023Publication date: October 5, 2023Inventors: Il Nam KIM, Seung Hyun MOON, Dong Wook YANG, Hyun Dae LEE, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
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Publication number: 20230316966Abstract: A test system, a method of testing a display cell using the same, and a display device are provided. There is provided a test system comprising: a display cell including a pixel and a data line connected to the pixel, an optical sensor and a readout line connected to the optical sensor, and a signal selection unit for selectively connecting a test signal line to any one of the data line and the readout line; and a test member configured to apply a first test control signal to the signal selection unit in a data test mode and apply a second test control signal to the signal selection unit in a sensing test mode.Type: ApplicationFiled: December 22, 2022Publication date: October 5, 2023Inventors: Go Eun CHA, Il Nam KIM, Seung Hyun MOON, Dong Wook YANG, Hyun Dae LEE, Kang Bin JO
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Patent number: 11755930Abstract: A method and apparatus for controlling learning of a model for estimating an intention of an input utterance is disclosed. A method of controlling learning of a model for estimating an intention of an input utterance among a plurality of intentions includes providing a first index corresponding to the number of registered utterances for each intention, providing a second index corresponding to a learning level for each intention, providing a learning target setting interface such that at least one intention that is to be a learning target is selected from among the intentions based on the first index and the second index, and training the model based on the registered utterances for each intention and setting of the learning target for each intention.Type: GrantFiled: May 13, 2020Date of Patent: September 12, 2023Assignee: KAKAO CORP.Inventors: Seung Won Seo, Tae Uk Kim, Il Nam Park, Myeong Cheol Shin, Hye Ryeon Lee, Sung Eun Choi
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Patent number: 11746173Abstract: Provided is a core-shell copolymer, and in particular, a core-shell copolymer including a core and a shell surrounding the core, wherein the core includes a conjugated diene monomer-derived repeating unit, an aromatic vinyl monomer-derived repeating unit, and an aromatic (meth)acrylate monomer-derived repeating unit, the shell includes an alkyl (meth)acrylate monomer-derived repeating unit, an aromatic vinyl monomer-derived repeating unit, and an aromatic (meth)acrylate monomer-derived repeating unit, the core has a particle size of 800 ? to 900 ?, the core-shell copolymer has a particle size of 900 ? to 1000 ?, the core has a refractive index of 1.5355 to 1.5425, and the core-shell copolymer has a refractive index of 1.5415 to 1.5440.Type: GrantFiled: August 18, 2020Date of Patent: September 5, 2023Inventors: Sang Il Nam, Ki Hyun Yoo, Yoon Ho Kim
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Patent number: 11741739Abstract: A display device may include: a first substrate including pixel areas; a circuit element layer disposed on a first surface of the first substrate, and including at least one conductive layer; a light emitting element layer disposed on the circuit element layer; pixels each including a circuit element and a light emitting element disposed on the circuit element layer and the light emitting element layer in a corresponding one of the pixel areas; a first light transmitting hole array layer including first light transmitting holes distributed in the circuit element layer; and a photo sensor array layer disposed on a second surface of the first substrate and configured to overlap with the first light transmitting hole array layer, the photo sensor array layer comprising photo sensors. The first light transmitting holes may include openings distributed in the at least one conductive layer.Type: GrantFiled: October 1, 2019Date of Patent: August 29, 2023Assignee: Samsung Display Co., Ltd.Inventors: Eun Jin Sung, Ji Hun Ryu, Yun Ho Kim, Il Nam Kim, Won Sang Park, Jong In Baek, Katsumasa Yoshii