Patents by Inventor Hae-min KIM
Hae-min KIM 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: 12262591Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.Type: GrantFiled: September 12, 2023Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Hyun Joon Kim, Hae Min Kim, Mee Hye Jung
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Patent number: 12213352Abstract: A display device includes a display area including a plurality of pixels and a non-display area located around the display area. The display device further includes a base substrate, a lower metal line disposed on the base substrate and surrounding at least a portion of the display area in a plan view, and a gate layer disposed on the lower metal line. In the non-display area, the lower metal line does not overlap the gate layer.Type: GrantFiled: June 7, 2021Date of Patent: January 28, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Hae Min Kim
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Publication number: 20240381723Abstract: A light emitting diode display device includes: a pixel circuit; a data line connected to the pixel circuit to transmit a data voltage; an anode on the pixel circuit and the data line; an emission layer on the anode; and a cathode on the emission layer. The anode includes a first anode and a second anode, and the data line extends across the first anode and the second anode.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: Jun Hyun PARK, Jang Mi KANG, Hyun Joon KIM, Hae Min KIM, Min Jae JEONG
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Publication number: 20240381721Abstract: A display device includes a substrate including a main area and a sub-area, the main area including a display area and a non-display area surrounding the display area, and the sub-area including a demultiplexer area and a bending area positioned between the demultiplexer area and the main area, and a circuit layer disposed on the substrate and including pixel circuits arranged at a first pitch in a second direction crossing the first direction, data lines connected to the pixel circuits, and demultiplexer circuits arranged in the demultiplexer area at the first pitch in the second direction and including first switches and second switches. The circuit layer further includes first lines and second lines respectively connected to the first switches and the second switches, and shield lines disposed between adjacent first lines and second lines, respectively.Type: ApplicationFiled: November 17, 2023Publication date: November 14, 2024Inventors: Dong Hoon LEE, Hae Min KIM, Young Wan SEO, Geun Ho LEE
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Patent number: 12048214Abstract: A light emitting diode display device includes: a pixel circuit; a data line connected to the pixel circuit to transmit a data voltage; an anode on the pixel circuit and the data line; an emission layer on the anode; and a cathode on the emission layer. The anode includes a first anode and a second anode, and the data line extends across the first anode and the second anode.Type: GrantFiled: July 31, 2023Date of Patent: July 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jun Hyun Park, Jang Mi Kang, Hyun Joon Kim, Hae Min Kim, Min Jae Jeong
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Publication number: 20240233645Abstract: A light emitting display device includes a light emitting diode including a first electrode and a second electrode to which a driving voltage is applied, a driving transistor, a second transistor receiving a data voltage and connected to a D node, a storage capacitor connected to the driving transistor and an N node, a hold capacitor connected to the D node and the N node, a third transistor connected to the D node and the driving transistor, a fourth transistor receiving a reference voltage and connected to the driving transistor, a fifth transistor connected to the driving transistor and the N node, a sixth transistor receiving a driving low voltage and connected to the driving transistor, a seventh transistor receiving an initialization voltage and connected the driving transistor, and an eighth transistor connected to the driving transistor and the first electrode of the light emitting diode.Type: ApplicationFiled: March 22, 2024Publication date: July 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Byung Chang YU, Hyun Joon KIM, Hae Min KIM, Myunghoon PARK, Dong-Hoon LEE
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Publication number: 20240185785Abstract: An emissive display device includes a display area which includes a plurality of pixels, and a driver disposed at a side of the display area, where the driver includes at least two emission signal stages disposed in one row, and an input signal line connected to the emission signal stages, and the at least two emission signal stages are connected to the same input signal line.Type: ApplicationFiled: February 13, 2024Publication date: June 6, 2024Inventors: Hae Min KIM, Min Jae JEONG, Jang Mi KANG, Hyun Joon KIM, Jun Hyun PARK, Cheol-Gon LEE
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Patent number: 11972726Abstract: A light emitting display device includes a light emitting diode including a first electrode and a second electrode to which a driving voltage is applied, a driving transistor, a second transistor receiving a data voltage and connected to a D node, a storage capacitor connected to the driving transistor and an N node, a hold capacitor connected to the D node and the N node, a third transistor connected to the D node and the driving transistor, a fourth transistor receiving a reference voltage and connected to the driving transistor, a fifth transistor connected to the driving transistor and the N node, a sixth transistor receiving a driving low voltage and connected to the driving transistor, a seventh transistor receiving an initialization voltage and connected the driving transistor, and an eighth transistor connected to the driving transistor and the first electrode of the light emitting diode.Type: GrantFiled: November 21, 2022Date of Patent: April 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Chang Yu, Hyun Joon Kim, Hae Min Kim, Myunghoon Park, Dong-Hoon Lee
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Publication number: 20240119901Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.Type: ApplicationFiled: December 13, 2023Publication date: April 11, 2024Inventors: Min Jae JEONG, Jun Hyun PARK, Hyun Joon KIM, Kyung Hoon CHUNG, Jang Mi KANG, Hae Min KIM
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Publication number: 20240120345Abstract: A display device comprises a display area comprising a plurality of pixels, and a data line and a gate line electrically connected to the plurality of pixels, a non-display area disposed adjacent to the display area, a plurality of pads disposed on a side of the non-display area, a gate control line electrically connected to at least one of the plurality of pads and that supplies a gate control signal, a driving voltage line electrically connected to at least one of the plurality of pads and that supplies a driving voltage, an antistatic circuit electrically connected to the gate control line, a scan driver that generates a gate signal based on a gate control signal received from the gate control line and that supplies the gate signal to the gate line, and a shielding layer integral to the driving voltage line to overlap the top of the antistatic circuit.Type: ApplicationFiled: August 2, 2023Publication date: April 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Hae Min KIM, Young Wan SEO, Geun Ho LEE, Kyung Hoon CHUNG
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Patent number: 11922871Abstract: An emissive display device includes a display area which includes a plurality of pixels, and a driver disposed at a side of the display area, where the driver includes at least two emission signal stages disposed in one row, and an input signal line connected to the emission signal stages, and the at least two emission signal stages are connected to the same input signal line.Type: GrantFiled: July 29, 2021Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae Min Kim, Min Jae Jeong, Jang Mi Kang, Hyun Joon Kim, Jun Hyun Park, Cheol-Gon Lee
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Patent number: 11893926Abstract: Embodiments provide an emissive display device including a driving transistor including a first electrode, a second electrode, and a driving gate electrode, a second transistor including a first electrode electrically connected to a data line, a transfer capacitor including a first transfer electrode electrically connected to a second electrode of the second transistor and a second transfer electrode electrically connected to the driving gate electrode; a fifth transistor electrically connecting the first electrode of the driving transistor and the driving gate electrode; a ninth transistor including a second electrode electrically connected to the second electrode of the driving transistor; and a light emitting diode including an anode and a cathode receiving an output current outputted to the second electrode of the driving transistor.Type: GrantFiled: February 16, 2023Date of Patent: February 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Chang Yu, Hae Min Kim, Myunghoon Park, Dong-Hoon Lee, Kyung Hoon Chung
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Patent number: 11875743Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.Type: GrantFiled: July 28, 2022Date of Patent: January 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min Jae Jeong, Jun Hyun Park, Hyun Joon Kim, Kyung Hoon Chung, Jang Mi Kang, Hae Min Kim
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Publication number: 20240012175Abstract: Provided are an apparatus and method for calculating a sensible temperature in consideration of outdoor ground heating and a heatwave warning apparatus and method based on a sensible temperature in consideration of outdoor ground heating. The method of calculating a sensible temperature in consideration of outdoor ground heating includes classifying data which includes a globe temperature, an atmospheric temperature, a relative humidity, and a ground surface temperature and is observed by an automated synoptic observing system (ASOS) for a certain period of time, as precipitation data and non-precipitation data according to whether there is precipitation, clustering the non-precipitation data into K clusters, and deriving K+1 sensible temperature calculation formulae by performing regression analysis on the K clusters and the precipitation data.Type: ApplicationFiled: July 7, 2023Publication date: January 11, 2024Applicant: National Institute of Meteorological SciencesInventors: Hae Min KIM, Kyu Rang KIM, Ju Young SHIN
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Publication number: 20240008327Abstract: A light emitting diode display device includes: a pixel circuit; a data line connected to the pixel circuit to transmit a data voltage; an anode on the pixel circuit and the data line; an emission layer on the anode; and a cathode on the emission layer. The anode includes a first anode and a second anode, and the data line extends across the first anode and the second anode.Type: ApplicationFiled: July 31, 2023Publication date: January 4, 2024Inventors: Jun Hyun PARK, Jang Mi KANG, Hyun Joon KIM, Hae Min KIM, Min Jae JEONG
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Publication number: 20230422557Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Inventors: HEE RIM SONG, Hyun Joon Kim, Hae Min Kim, Mee Hye Jung
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Publication number: 20230377510Abstract: Embodiments provide an emissive display device including a driving transistor including a first electrode, a second electrode, and a driving gate electrode, a second transistor including a first electrode electrically connected to a data line, a transfer capacitor including a first transfer electrode electrically connected to a second electrode of the second transistor and a second transfer electrode electrically connected to the driving gate electrode; a fifth transistor electrically connecting the first electrode of the driving transistor and the driving gate electrode; a ninth transistor including a second electrode electrically connected to the second electrode of the driving transistor; and a light emitting diode including an anode and a cathode receiving an output current outputted to the second electrode of the driving transistor.Type: ApplicationFiled: February 16, 2023Publication date: November 23, 2023Applicant: Samsung Display Co., LTD.Inventors: Byung Chang YU, Hae Min KIM, MYUNGHOON PARK, Dong-Hoon LEE, Kyung Hoon CHUNG
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Patent number: 11790841Abstract: A pixel and a display device including the same are disclosed. The pixel includes a light emitting element, first through seventh transistors, and a first capacitor. The first transistor is connected between first and second nodes. The second transistor is connected between a data line and a fourth node and configured to be turned on by a first scan signal. The third transistor is connected between the first node and a third node and configured to be turned on by a second scan signal. The fourth transistor is connected between the fourth node and a third power line and configured to be turned on by a third scan signal. The fifth transistor is connected between the third node and the third power line and configured to be turned on by a fourth scan signal. The sixth transistor is connected between the first node and a fifth node and configured to be turned off by an emission control signal.Type: GrantFiled: December 1, 2022Date of Patent: October 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Byung Chang Yu, Hyun Joon Kim, Hae Min Kim, Myung Hoon Park, Dong Hoon Lee
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Patent number: 11758766Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line, are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.Type: GrantFiled: September 3, 2022Date of Patent: September 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Hyun Joon Kim, Hae Min Kim, Mee Hye Jung
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Patent number: 11741884Abstract: A display device according to an embodiment of the present disclosure includes pixels connected to a first scan line, a second scan line, a third scan line, a data line, a first emission control line, and a second emission control line.Type: GrantFiled: May 18, 2021Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Joon Kim, Jang Mi Kang, Hae Min Kim, Jun Hyun Park, Min Jae Jeong, Ki Hyun Pyo