Patents by Inventor Sung-Chan Jo
Sung-Chan Jo 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: 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: 20240099064Abstract: A display device includes a semiconductor layer positioned on a substrate and including a driving transistor and a plurality of transistors; a gate conductive layer positioned on the semiconductor layer; and a data conductive layer positioned on the gate conductive layer. The driving transistor has a linear shape in which a plurality of grooves are formed.Type: ApplicationFiled: August 2, 2023Publication date: March 21, 2024Applicant: Samsung Display Co., LTD.Inventors: Yong Su LEE, SEUNG-JUN LEE, JAEWOO LEE, Sung Chan JO
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Patent number: 11935986Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels in the display area, and each including sub-pixels. Each sub-pixel may include a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer may include: a first electrode on the pixel circuit layer; a second electrode on the first electrode and electrically insulated from the first electrode; the light emitting element including a first end portion coupled to the first electrode and a second end portion coupled to the second electrode, and between the first electrode and the second electrode; an intermediate layer enclosing at least one area of the light emitting element, and on the first electrode; a connection line electrically connected to the second electrode. The second electrode may be on the intermediate layer.Type: GrantFiled: May 30, 2019Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Dong Uk Kim, Jin Oh Kwag, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
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Publication number: 20240088198Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.Type: ApplicationFiled: November 13, 2023Publication date: March 14, 2024Inventors: Hyun Min CHO, Dae Hyun KIM, Jin Oh KWAG, Dong Hyun KIM, Keun Kyu SONG, Hyun Deok IM, Sung Chan JO
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Publication number: 20240079529Abstract: A light-emitting element includes a first semiconductor layer, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, a device electrode layer disposed on the second semiconductor layer, a reflective electrode layer disposed on the device electrode layer, an insulating film surrounding a side surface of the light-emitting layer, a side surface of the second semiconductor layer, and a side surface of the device electrode layer, and a reflective layer surrounding a side surface of the insulating film, wherein the side surface of the device electrode layer is aligned with a side surface of the reflective electrode layer.Type: ApplicationFiled: April 10, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., LTD.Inventors: Ji Hyun HAM, Moon Jung AN, Jin Seok PARK, Hee Keun LEE, Sung Chan JO, Sang Wook HAN
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Patent number: 11916178Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.Type: GrantFiled: August 23, 2019Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh Kwag, Dae Hyun Kim, Keun Kyu Song, Sung Chan Jo, Hyun Min Cho
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Publication number: 20240063359Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.Type: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Inventors: Dae Hyun KIM, Hyun Min CHO, Hyun Deok IM, Jong Hyuk KANG, Keun Kyu SONG, Joo Yeol LEE, Bek Hyun LIM, SUNG-CHAN JO
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Publication number: 20240047473Abstract: Provided is a stretchable display device. The stretchable display device according to one or more embodiments of the present disclosure includes a substrate including a first island pattern, a second island pattern, and a bridge pattern connecting the first island pattern and the second island pattern, a first pixel electrode above the first island pattern, and having an area that is greater than an area of the first island pattern, a second pixel electrode above the second island pattern, a display layer above the first pixel electrode and the second pixel electrode, and configured to display an image, and a common electrode above the display layer.Type: ApplicationFiled: July 20, 2023Publication date: February 8, 2024Inventors: Jin Woo CHOI, Min Woo KIM, Sung Chan JO, Eun A YANG, Jong Ho HONG
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Publication number: 20240029632Abstract: A display device includes: a pixel including a light emitting element; and a sensing channel connected to a first electrode of the light emitting element by a first sensing line, and connected to a second electrode of the light emitting element by a second sensing line. The sensing channel includes: an amplifier including a first input terminal connected to the second sensing line; and a first switch which connects an output terminal of the amplifier to the first sensing line.Type: ApplicationFiled: April 17, 2023Publication date: January 25, 2024Inventors: Young Soo HWANG, SUNG-CHAN JO
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Patent number: 11817474Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.Type: GrantFiled: August 8, 2022Date of Patent: November 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyun Min Cho, Dae Hyun Kim, Jin Oh Kwag, Dong Hyun Kim, Keun Kyu Song, Hyun Deok Im, Sung Chan Jo
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Publication number: 20230357578Abstract: This application disclose an airtight film including a plastic base layer; a ceramic sealing layer formed on the plastic base layer; and a polymer sealing layer. The polymer sealing layer includes many polymer molecules chemically bonding to the ceramic sealing layer as a result of polymerization reactions of at least one monomer on the ceramic sealing layer as opposed to from coating of a pre-polymerized polymer composition on the ceramic sealing layer.Type: ApplicationFiled: May 12, 2023Publication date: November 9, 2023Inventors: Sung-Chan JO, Kyonghoon LEE, John S. ALTHAUS, Hyung Jin PARK
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Patent number: 11811012Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.Type: GrantFiled: June 17, 2022Date of Patent: November 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dae Hyun Kim, Hyun Min Cho, Hyun Deok Im, Jong Hyuk Kang, Keun Kyu Song, Joo Yeol Lee, Bek Hyun Lim, Sung-Chan Jo
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Patent number: 11790837Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.Type: GrantFiled: August 1, 2022Date of Patent: October 17, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
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Publication number: 20230329050Abstract: A display device includes a substrate that includes a display area and a subsidiary area adjacent to the display area; a first pixel driving unit disposed in the display area; a light-emitting element disposed in the display area and connected to the first pixel driving unit; a plurality of sensor driving units disposed in the subsidiary area; and a plurality of photoelectric conversion elements disposed in the subsidiary area and connected to the plurality of sensor driving units, respectively.Type: ApplicationFiled: January 23, 2023Publication date: October 12, 2023Inventors: MIN OH CHOI, Gun Hee Kim, Sun Ho Kim, Kwan Soo Bae, Dae Young Lee, Sung Chan Jo, Chung Sock Choi
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Publication number: 20230307577Abstract: A display device and a manufacturing method thereof are provided. A display device according to an embodiment includes a substrate including a first emission area, and a first light emitting element disposed on the substrate and emitting light of a first color. The substrate further includes a first hole passing through the substrate in the first emission area, and at least a portion of the first light emitting element is arranged in the first hole.Type: ApplicationFiled: October 19, 2020Publication date: September 28, 2023Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Sup LEE, SUNG-CHAN JO
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Publication number: 20230275197Abstract: A display device including: a first substrate on which a plurality of sub-pixels are located; a plurality of color filter layers on the first substrate; a bank layer including a first bank at a boundary between the plurality of sub-pixels and located on the color filter layers; a color control structure including a plurality of light transmitting layers and wavelength conversion layers in a region surrounded by the first bank on the color filter layer; a light emitting element layer between the color filter layer and the color control structure; a reflective layer on the color control structure; and a first electrode and a second electrode on the color filter layer and at least partially located at the same plane, wherein the light emitting element layer includes a plurality of light emitting elements, each of the light emitting elements having respective ends on the first and second electrodes.Type: ApplicationFiled: May 4, 2021Publication date: August 31, 2023Inventors: Dae Hyun KIM, Keun Kyu SONG, Sung Chan JO, Hyun Min CHO, Tae Jin KONG, Ock Soo SON, Chang Il TAE
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Publication number: 20230205480Abstract: A display device including a display panel including a substrate and a pixel array layer disposed on a first surface of the substrate, a sound generation device disposed on a second surface of the substrate opposite to the first surface of the substrate, and a circuit board disposed on the second surface of the substrate, in which the circuit board includes a first hole overlapping the sound generation device.Type: ApplicationFiled: March 1, 2023Publication date: June 29, 2023Inventors: Byeong Hee WON, Keun Kyu SONG, Yi Joon AHN, Sung Chan JO
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Publication number: 20230109051Abstract: A display device includes a substrate including a display area and a photo sensing area overlapping the display area, a plurality of pixels disposed at the display area and having an emission area, and a plurality of photo sensors disposed at the photo sensing area and having an effective sensing area. Each of the plurality of pixels includes a light-emitting element including a display pixel electrode, an emissive layer, and a common electrode. Each of the plurality of photo sensors includes a photo sensing element including a sensing electrode, a photoelectric conversion layer and the common electrode. The common electrode is disposed between the emissive layer and the photoelectric conversion layer. A center point of the effective sensing area is located in the emission area in a plan view.Type: ApplicationFiled: September 13, 2022Publication date: April 6, 2023Inventors: Mu Kyung JEON, Suk KIM, Sung Chan JO
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Patent number: 11620847Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.Type: GrantFiled: July 8, 2021Date of Patent: April 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Keum Dong Jung, Il Nam Kim, Kyung Tea Park, Jin Oh Kwag, Won Sang Park, Sung Chan Jo
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Publication number: 20230102417Abstract: A light emitting element ink includes a light emitting element solvent, and a light emitting element dispersed in the light-emitting diode solvent. The light emitting element includes semiconductor layers and an insulating film surrounding the outer surface of the semiconductor layers, wherein the light-emitting diode solvent is an organic solvent having a pKa value in a range of about 7 to about 15.Type: ApplicationFiled: January 14, 2021Publication date: March 30, 2023Applicant: Samsung Display Co., LTD.Inventors: Jae Hoon JUNG, Buem Joon KIM, Hee Yeon YOO, Sung Chan JO, Eun A CHO, Hye Jung HONG, Jong Hyuk KANG, Keun Kyu SONG, Hyun Deok IM, Hyun Min CHO