Patents by Inventor Mu-kyung Jeon
Mu-kyung Jeon 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: 11961425Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.Type: GrantFiled: December 20, 2022Date of Patent: April 16, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hee Rim Song, Gyung Soon Park, Mu Kyung Jeon
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Publication number: 20240062710Abstract: A light emitting display device includes: a light emitting diode; a driving transistor configured to transmit an output current to the light emitting diode, and including a driving gate electrode; a storage capacitor having a first storage electrode connected with the driving gate electrode and a second storage electrode connected with a data node; a second transistor connected with a data line and configured to output a data voltage; a data voltage transmission transistor configured to transmit the data voltage output from the second transistor to the data node; and a hold capacitor that includes a first electrode configured to receive the driving voltage and a second electrode connected with the data node.Type: ApplicationFiled: July 7, 2023Publication date: February 22, 2024Inventors: Jun Hyun PARK, Jang Mi KANG, Hyeong Seok KIM, Min Jae JEONG, Mu Kyung JEON
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Patent number: 11908231Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.Type: GrantFiled: February 6, 2023Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
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Patent number: 11907487Abstract: A touch panel includes odd-numbered touch sensor rows, even-numbered touch sensor rows, odd-numbered sensing signal transmission lines extending respectively connected to the odd-numbered touch sensor rows, and even-numbered sensing signal transmission lines respectively connected to the even-numbered touch sensor rows. First sub-scan signal transmission lines are connected only to the odd-numbered touch sensor rows, and second sub-scan signal transmission lines are connected only to the even-numbered touch sensor rows. Main scan signal transmission lines are connected to a demultiplexing circuit to selectively connect the main scan signal transmission lines to the first sub-scan signal transmission lines or the second sub-scan signal transmission lines.Type: GrantFiled: November 29, 2019Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sun-Hwa Lee, Dong-Hoon Lee, Mu-Kyung Jeon, Ki-Hyun Pyo
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Publication number: 20240005878Abstract: A display device including a light-emitting diode, a first transistor, a second transistor, a data line connected to the second transistor and configured to transmit a data signal, a third transistor, a first signal line connected to a gate electrode of the second transistor and configured to transmit a first signal, a second signal line connected to a gate electrode of the third transistor and configured to transmit a second signal, and a connect portion connected to a gate electrode of the first transistor and an electrode of the third transistor, in which the connect portion overlaps the first signal line and the second signal line, and an overlapping area between the connect portion and the first signal line is different from an overlapping area between the connect portion and the second signal line.Type: ApplicationFiled: September 13, 2023Publication date: January 4, 2024Inventors: Jang Mi KANG, Ji Sun KIM, Mu Kyung JEON
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Publication number: 20230386412Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Yu Jin LEE, Mu Kyung JEON, Mee Hye JUNG, Hee Jean 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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Publication number: 20230352627Abstract: A display device including a substrate, a first semiconductor layer disposed on the substrate, a first gate electrode disposed on the first semiconductor layer, a first storage electrode overlapping at least a portion of the first gate electrode and forming a first capacitor with the first gate electrode, and a first electrode disposed on the first storage electrode and forming a second capacitor together with the first storage electrode. The first storage electrode includes a first opening, the first electrode includes a second opening, and the first opening and the second opening overlap each other.Type: ApplicationFiled: March 2, 2023Publication date: November 2, 2023Applicant: Samsung Display Co., LTD.Inventors: Hyeong Seok KIM, Jang Mi KANG, Jun Hyun PARK, Min Jae JEONG, Mu Kyung JEON
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Publication number: 20230343289Abstract: A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.Type: ApplicationFiled: February 13, 2023Publication date: October 26, 2023Applicant: Samsung Display Co., LTD.Inventors: Hee Rim SONG, Hee Jean PARK, Yu Jin LEE, Cheol Gon LEE, Mu Kyung JEON
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Publication number: 20230343277Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.Type: ApplicationFiled: July 3, 2023Publication date: October 26, 2023Inventors: Cheol Gon LEE, Hee Jean PARK, Hee Rim SONG, Yu Jin LEE, Mu Kyung JEON
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Publication number: 20230343290Abstract: A display device includes a light-emitting element for emitting light, a light-sensing element for converting light into an electrical signal, and spaced apart from the light-emitting element, pixel drivers connected to the light-emitting element in a first row and a second row, a first sensing driver between respective ones of the pixel drivers neighboring each other in the first row and connected to the light-sensing element, a second sensing driver between respective ones of the pixel drivers neighboring each other in the second row, connected to the light-sensing element, and not neighboring the first sensing driver in a second direction, a first scan line extending along a first direction crossing the second direction, and connected to the first sensing driver, and a second scan line extending along the first direction, alternately arranged with the first scan line along the second direction, and connected to the second sensing driver.Type: ApplicationFiled: January 24, 2023Publication date: October 26, 2023Inventors: Yu Jin LEE, Hee Jean PARK, Hee Rim SONG, Cheol Gon LEE, Mu Kyung JEON
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Patent number: 11783783Abstract: A display device including a light-emitting diode, a first transistor, a second transistor, a data line connected to the second transistor and configured to transmit a data signal, a third transistor, a first signal line connected to a gate electrode of the second transistor and configured to transmit a first signal, a second signal line connected to a gate electrode of the third transistor and configured to transmit a second signal, and a connect portion connected to a gate electrode of the first transistor and an electrode of the third transistor, in which the connect portion overlaps the first signal line and the second signal line, and an overlapping area between the connect portion and the first signal line is different from an overlapping area between the connect portion and the second signal line.Type: GrantFiled: August 16, 2022Date of Patent: October 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jang Mi Kang, Ji Sun Kim, Mu Kyung Jeon
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Publication number: 20230315224Abstract: A display device includes a substrate; a plurality of light emitting units disposed on the substrate; a plurality of light sensing units disposed on the substrate; a pixel defining layer partitioning the plurality of light emitting units and the plurality of light sensing units; and a touch electrode disposed on the pixel defining layer. A shape of a mesh hole defined by the touch electrode and in which the plurality of light sensing units are disposed is defined by the touch electrode, and is different from a shape of a mesh hole in which a first light emitting unit among the plurality of light emitting units is disposed.Type: ApplicationFiled: January 18, 2023Publication date: October 5, 2023Inventors: YU JIN LEE, Hee Rim Song, Cheol Gon Lee, Mu Kyung Jeon
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Patent number: 11776480Abstract: A pixel includes a light emitting element, a first transistor connected between first and second nodes and that generates a driving current flowing from a first power line to a second power line through the light emitting element, a second transistor connected between a data line and the first node and turned on in response to a fourth scan signal, a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor and turned on in response to a second scan signal, a fourth transistor connected between the third node and a third power line providing a third power voltage and turned on in response to a first scan signal, and a fifth transistor connected between the first and fourth nodes and turned on in response to a fifth scan signal.Type: GrantFiled: July 8, 2022Date of Patent: October 3, 2023Assignee: Samsung Display Co., Ltd.Inventors: Min Jae Jeong, Jang Mi Kang, Hyeong Seok Kim, Jun Hyun Park, Mu Kyung Jeon
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Patent number: 11727884Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.Type: GrantFiled: September 23, 2021Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yu Jin Lee, Mu Kyung Jeon, Mee Hye Jung, Hee Jean Park
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Publication number: 20230251747Abstract: A fingerprint sensor includes a sensor pixel arranged in a sensing area, including a pixel electrode coupled to a first node; a first transistor coupled between the first node and a first or second power line, the first transistor including a first gate electrode coupled to a first scan line and a second gate electrode opposite to the first gate electrode; a first capacitor coupled between the first node and a second scan line; a second transistor coupled between a readout line and the first power line, the second transistor including a first gate electrode coupled to the first node and a second gate electrode opposite to the first gate electrode; and a third transistor coupled between the second transistor and the first power line, the third transistor including a first gate electrode coupled to the second scan line and a second gate electrode opposite to the first gate electrode.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Inventors: Ji Sun KIM, Mu Kyung JEON
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Patent number: 11700752Abstract: 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: GrantFiled: September 2, 2022Date of Patent: July 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Nam Kim, Ji Hun Ryu, Ki Hyun Pyo
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Patent number: 11694612Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.Type: GrantFiled: June 2, 2022Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Cheol Gon Lee, Hee Jean Park, Hee Rim Song, Yu Jin Lee, Mu Kyung Jeon
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Publication number: 20230177868Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.Type: ApplicationFiled: February 6, 2023Publication date: June 8, 2023Inventors: Sun Hwa LEE, Ki June Lee, Mu Kyung Jeon
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Publication number: 20230140604Abstract: A pixel includes a light emitting element, a first transistor connected between first and second nodes and that generates a driving current flowing from a first power line to a second power line through the light emitting element, a second transistor connected between a data line and the first node and turned on in response to a fourth scan signal, a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor and turned on in response to a second scan signal, a fourth transistor connected between the third node and a third power line providing a third power voltage and turned on in response to a first scan signal, and a fifth transistor connected between the first and fourth nodes and turned on in response to a fifth scan signal.Type: ApplicationFiled: July 8, 2022Publication date: May 4, 2023Inventors: Min Jae JEONG, Jang Mi KANG, Hyeong Seok KIM, Jun Hyun PARK, Mu Kyung JEON