Patents by Inventor Woo-seok Han
Woo-seok Han 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: 20250029964Abstract: A display device includes a bank pattern disposed on a substrate, a first electrode pattern disposed on the bank pattern, a light-emitting element disposed on the first electrode pattern to be electrically connected to the first electrode pattern, a second electrode pattern configured to cover the light-emitting element, an inorganic insulating layer configured to cover the bank pattern, the first electrode pattern, and the light-emitting element between the first electrode pattern and the second electrode pattern, and a diffusion layer which includes a plurality of diffusion particles and is in contact with the inorganic insulating layer.Type: ApplicationFiled: July 17, 2024Publication date: January 23, 2025Applicant: LG DISPLAY CO., LTD.Inventors: Jong Soo HAN, Yong Hoon LEE, Woo Sung KIM, Hyoung Sun PARK, Hyun Seok NA, Hyun Chyol SHIN, Seong Soo CHO, Kyeong Min YUK
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Publication number: 20250031498Abstract: A display panel and a display apparatus including the display panel are presented herein. A display panel according to one or more embodiments includes a substrate; an insulating layer on the substrate; a bank pattern on the insulating layer; a first electrode on the bank pattern; a contact electrode on the insulating layer, the contact electrode spaced apart from the bank pattern; a light-emitting element on the first electrode; a first optical layer surrounding the light-emitting element, the first optical layer comprising an organic insulating material including metal particles; a second optical layer on the contact electrode; and a third optical layer on the first optical layer.Type: ApplicationFiled: May 28, 2024Publication date: January 23, 2025Inventors: Yong Hoon Lee, Woo Sung Kim, Jong Soo Han, Sang Hak Shin, Dong Kyu Kim, Hyoung Sun Park, Hyun Seok Na, Hyun Chyol Shin, Seong Soo Cho
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Publication number: 20240071262Abstract: An electronic price indicator according to an embodiment includes a display displaying product information, an NFC module configured to communicate with a user terminal, a Bluetooth module configured to communicate with the user terminal, and a processor configured to control the display to display the product information received from the user terminal through the Bluetooth module. The processor is further configured to release a sleep mode when receiving an interrupt from the user terminal through the NFC module, and perform Bluetooth communication with the user terminal by initiating a scan for a predetermined period of time to receive an advertising signal from the user terminal.Type: ApplicationFiled: January 20, 2023Publication date: February 29, 2024Inventors: Jae Gun HEO, Chung Hee LEE, Do Sang KWON, Woo Seok HAN, Chan LEE, Ji Hoon KIM, Bo II SEO
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Patent number: 10854829Abstract: A flexible display device includes: a substrate including a main area, a first edge area arranged in a first direction with respect to the main area and including a first data pad portion, and a second edge area arranged in a second direction, which intersects the first direction, with respect to the main area and including a second data pad portion; and a flexible film on which first and second signal pad portions connected to the first and second data pad portions, respectively, are arranged. The first edge area may be bent along a first bending line, which extends in the second direction, and the second edge area may be bent along a second bending line, which extends in the first direction.Type: GrantFiled: August 14, 2018Date of Patent: December 1, 2020Assignee: Samsung Display Co., Ltd.Inventors: Eun Ho Lee, Dong Wook Yang, Hyun Dae Lee, Woo Seok Han
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Patent number: 10785465Abstract: A head mounted display device includes a display unit divided into at least one first area and at least one second area, a lens unit which supplies an image displayed on the display unit to a user, and a frame which fixes the display unit and the lens unit thereto. The display unit includes a memory which stores first compensation data corresponding to the first area and second compensation data corresponding to the second area, and a position determiner which determines whether first data supplied from an outside belong to the first area or the second area.Type: GrantFiled: September 11, 2017Date of Patent: September 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Seuk Yoo, Eun Ho Lee, Hyung Jin Kim, Hyun Dae Lee, Woo Seok Han, Hee Chul Hwang
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Publication number: 20190140200Abstract: A flexible display device includes: a substrate including a main area, a first edge area arranged in a first direction with respect to the main area and including a first data pad portion, and a second edge area arranged in a second direction, which intersects the first direction, with respect to the main area and including a second data pad portion; and a flexible film on which first and second signal pad portions connected to the first and second data pad portions, respectively, are arranged. The first edge area may be bent along a first bending line, which extends in the second direction, and the second edge area may be bent along a second bending line, which extends in the first direction.Type: ApplicationFiled: August 14, 2018Publication date: May 9, 2019Inventors: Eun Ho Lee, Dong Wook Yang, Hyun Dae Lee, Woo Seok Han
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Publication number: 20180103245Abstract: A head mounted display device includes a display unit divided into at least one first area and at least one second area, a lens unit which supplies an image displayed on the display unit to a user, and a frame which fixes the display unit and the lens unit thereto. The display unit includes a memory which stores first compensation data corresponding to the first area and second compensation data corresponding to the second area, and a position determiner which determines whether first data supplied from an outside belong to the first area or the second area.Type: ApplicationFiled: September 11, 2017Publication date: April 12, 2018Inventors: Hyun Seuk YOO, Eun Ho LEE, Hyung Jin KIM, Hyun Dae LEE, Woo Seok HAN, Hee Chul HWANG
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Patent number: 9666134Abstract: A scan driving device includes shift registers, each including a first signal terminal to which a forward direction driving start signal is transferred, a second signal terminal to which a backward direction driving start signal is transferred, a clock signal terminal and a clock bar signal terminal to which a clock signal and a clock bar signal are applied, a sustain signal terminal to which a sustain signal is transferred, a control signal terminal to which a control signal is transferred, a gate clock signal terminal to which a gate clock signal is transferred, and an output signal terminal, where driving power source voltages including a high potential power source voltage and low potential power source voltages is applied to each shift register, and an application of the low potential power source voltages to each shift register is controlled based on the sustain signal.Type: GrantFiled: February 20, 2014Date of Patent: May 30, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woo-Seok Han, Jin-Wook Yang, Yun-Ho Kim
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Patent number: 9620056Abstract: A pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED to correspond to a voltage applied to a first node, a second transistor coupled between an anode electrode of the OLED and a feedback line, and having a gate electrode coupled to a control line, a third transistor coupled between the first node and a data line, and having a gate electrode coupled to a first scan line, a storage capacitor coupled between the first node and a second node, and a fourth transistor coupled between the second node and a reference power supply, and having a gate electrode coupled to a second scan line.Type: GrantFiled: May 10, 2013Date of Patent: April 11, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Wook Yang, Bon-Seog Gu, Woo-Seok Han
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Patent number: 9343011Abstract: A pixel capable of displaying an image with uniform brightness is disclosed. In one aspect, the pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED in response to a voltage applied to a first node. The pixel also includes a second transistor that is coupled between a bias power supply and the first node and whose gate electrode is coupled to an emission control line. The pixel further includes a third transistor that is coupled between an anode electrode of the OLED and a feedback line and whose gate electrode is coupled to a control line.Type: GrantFiled: December 5, 2012Date of Patent: May 17, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jin-Wook Yang, Bon-Seog Gu, Woo-Seok Han
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Publication number: 20150015562Abstract: A scan driving device includes shift registers, each including a first signal terminal to which a forward direction driving start signal is transferred, a second signal terminal to which a backward direction driving start signal is transferred, a clock signal terminal and a clock bar signal terminal to which a clock signal and a clock bar signal are applied, a sustain signal terminal to which a sustain signal is transferred, a control signal terminal to which a control signal is transferred, a gate clock signal terminal to which a gate clock signal is transferred, and an output signal terminal, where driving power source voltages including a high potential power source voltage and low potential power source voltages is applied to each shift register, and an application of the low potential power source voltages to each shift register is controlled based on the sustain signal.Type: ApplicationFiled: February 20, 2014Publication date: January 15, 2015Applicant: Samsung Display Co., Ltd.Inventors: Woo-Seok HAN, Jin-Wook YANG, Yun-Ho KIM
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Publication number: 20140168290Abstract: A pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED to correspond to a voltage applied to a first node, a second transistor coupled between an anode electrode of the OLED and a feedback line, and having a gate electrode coupled to a control line, a third transistor coupled between the first node and a data line, and having a gate electrode coupled to a first scan line, a storage capacitor coupled between the first node and a second node, and a fourth transistor coupled between the second node and a reference power supply, and having a gate electrode coupled to a second scan line.Type: ApplicationFiled: May 10, 2013Publication date: June 19, 2014Inventors: Jin-Wook YANG, Bon-Seog GU, Woo-Seok HAN
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Publication number: 20140062843Abstract: A pixel capable of displaying an image with uniform brightness is disclosed. In one aspect, the pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED in response to a voltage applied to a first node. The pixel also includes a second transistor that is coupled between a bias power supply and the first node and whose gate electrode is coupled to an emission control line. The pixel further includes a third transistor that is coupled between an anode electrode of the OLED and a feedback line and whose gate electrode is coupled to a control line.Type: ApplicationFiled: December 5, 2012Publication date: March 6, 2014Applicant: Samsung Display Co., Ltd.Inventors: Jin-Wook Yang, Bon-Seog Gu, Woo-Seok Han
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Patent number: 5512664Abstract: A new sublimable magenta monoazo dye for thermal transfer printing has a closed ring imido group in an aromatic azo compound, as the following formula: ##STR1## The magenta monoazo dye achieves substantial improvements in stability, hue, gray and color development.Type: GrantFiled: December 20, 1994Date of Patent: April 30, 1996Assignee: Hansol Paper Co., Ltd.Inventors: Ki-taek Lee, Young-soup Son, Woo-seok Han, Soon-yeol Eom