Patents by Inventor Jeong Min Moon
Jeong Min Moon 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: 20240114709Abstract: The quantum dot comprises a ligand which is a copolymer comprising a first repeating unit comprising at least one or more hole transporting functional groups and a second repeating unit comprising at least one or more photocrosslinking functional groups.Type: ApplicationFiled: September 22, 2020Publication date: April 4, 2024Applicants: LG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Joona BANG, Ki Seok CHANG, Jeong Min MOON, Soon Shin JUNG, Dong Hoon CHOI, Hyung Jong KIM, Jae Wan KO
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Patent number: 11939173Abstract: A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.Type: GrantFiled: August 23, 2019Date of Patent: March 26, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Dahl-Young Khang, Sung-Hwan Hwang, Jia Lee, Sung-Soo Yoon, Su Seok Choi, Kiseok Chang, Jeong Min Moon, Soon Shin Jung, Sungpil Ryu, Jihwan Jung
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Patent number: 11705036Abstract: The present disclosure related to an optical fingerprint identification display and a driving method thereof. In the optical fingerprint identification display and the driving method thereof, the fingerprint identification display includes: a display panel and a processor. The display panel includes a plurality of pixels arranged in a two-dimensional matrix. The pixel includes: at least one subpixel which emits light on the basis of a first signal received from the processor; and an optical sensor which receives the light emitted from the subpixel and is reflected from a fingerprint and generates a second signal. The processor determines a touch region on the display panel, and transmits the first signal to one or more pixels included in the touch region, and identifies the fingerprint of the user on the basis of the second signal received from the pixel.Type: GrantFiled: June 3, 2019Date of Patent: July 18, 2023Assignees: LG Display Co., Ltd., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Byong Deok Choi, Yong Sang Yoo, Yong Duck Kim, Jeong Min Moon, Soon Shin Jung, Moon Bong Song, Jihwan Jung, Kiseok Chang
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Patent number: 11700753Abstract: An organic light emitting diode (OLED) display device includes a thin film transistor substrate including a first substrate, a thin film transistor disposed on the first substrate and a white organic light emitting diode (WOLED) electrically connected to the thin film transistor; a color filter substrate comprising a second substrate that faces the first substrate, and red, green and blue color filters disposed on the second substrate; a quantum dot pattern disposed on the WOLED of the thin film transistor substrate; and a refractive film disposed between the color filter substrate and the thin film transistor substrate provided with the quantum dot pattern.Type: GrantFiled: September 12, 2018Date of Patent: July 11, 2023Assignees: LG DISPLAY CO., LTD., UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Young-Joo Kim, Hyo-Jun Kim, Jeong Min Moon, Su Seok Choi, Sungpil Ryu, Jihwan Jung, Kiseok Chang
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Patent number: 11569556Abstract: A phase shifter includes a first substrate; a microstrip formed on the first substrate so as to extend in a first direction; a ground layer disposed with a space on the upper surface of the microstrip and having a defected ground structure (DGS) with a defected pattern formed therein; a second substrate disposed on the ground layer; and a liquid crystal layer disposed in a space between the first substrate and the second substrate, wherein DC voltage is applied between the ground layer and the microstrip.Type: GrantFiled: October 23, 2018Date of Patent: January 31, 2023Assignees: LG DISPLAY CO., LTD., UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Byungwook Min, Hoon Bae Kim, Sung-Eun Kim, Jeong Min Moon, Su Seok Choi, Sungpil Ryu, Jihwan Jung, Kiseok Chang
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Patent number: 11393935Abstract: The present disclosure provides a phototransistor and a manufacturing method therefor, the phototransistor having a defective oxide ray absorption layer introduced to an oxide semiconductor phototransistor through a solution process or a defective oxide ray absorption part introduced to an interface between a gate insulation film and an oxide semiconductor layer through interface control, which forms damage, thereby improving light absorption in the range of a visible light region.Type: GrantFiled: June 14, 2018Date of Patent: July 19, 2022Assignees: LG DISPLAY CO., LTD., UIF (UNIVERSITY INDUSTRY FOUNDATION) YONSEI UNIVERSITYInventors: Hyun Jae Kim, Young Jun Tak, Jusung Chung, Jeong Min Moon, Su Seok Choi, Sungpil Ryu, Jihwan Jung, Kiseok Chang
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Publication number: 20220006017Abstract: A perovskite light emitting diode having degradation of the characteristics of the light emitting device, caused by PEDOT:PSS can be improved by replacing PEDOT:PSS contained in a conventional hole transport layer with an anionic conjugated polymer having ammonium-based counter ions, and the light emission characteristics can be greatly improved by passivating defects of a perovskite light emitting layer with a hole transport layer containing a conjugated polymer and increasing crystal growth.Type: ApplicationFiled: November 20, 2019Publication date: January 6, 2022Applicants: LG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Han Young WOO, Kiseok CHANG, Myoung Hoon SONG, Jeong Min MOON, Su Seok CHOI, Thanh Luan NGUYEN, Seungjin LEE, Chung Hyeon JANG
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Publication number: 20210397814Abstract: The present disclosure related to an optical fingerprint identification display and a driving method thereof. In the optical fingerprint identification display and the driving method thereof, the fingerprint identification display includes: a display panel and a processor. The display panel includes a plurality of pixels arranged in a two-dimensional matrix. The pixel includes: at least one subpixel which emits light on the basis of a first signal received from the processor; and an optical sensor which receives the light emitted from the subpixel and is reflected from a fingerprint and generates a second signal. The processor determines a touch region on the display panel, and transmits the first signal to one or more pixels included in the touch region, and identifies the fingerprint of the user on the basis of the second signal received from the pixel.Type: ApplicationFiled: June 3, 2019Publication date: December 23, 2021Inventors: Byong Deok Choi, Yong Sang Yoo, Yong Duck Kim, Jeong Min Moon, Soon Shin Jung, Moon Bong Song, Jihwan Jung, Kiseok Chang
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Publication number: 20210339964Abstract: A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.Type: ApplicationFiled: August 23, 2019Publication date: November 4, 2021Applicant: LG Display Co., Ltd.Inventors: Dahl-Young KHANG, Sung-Hwan HWANG, Jia LEE, Sung-Soo YOON, Su Seok CHOI, Kiseok CHANG, Jeong Min MOON, Soon Shin JUNG, Sungpil RYU, Jihwan JUNG
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Publication number: 20210275062Abstract: A wearable photoluminescence sensor, which is portable and has improved sensitivity and accuracy, and a remote sensing apparatus comprising same, the disclosed wearable photoluminescence sensor includes a reflective support and a semipermeable filter disposed over and under translucent photodiodes, thus allows light of a second wavelength band, having the photoluminescence properties of getting lost or passing through, to be reflected again and thus maximally utilized, and thereby allows sensitivity and accuracy to be improved.Type: ApplicationFiled: August 23, 2019Publication date: September 9, 2021Applicant: LG Display Co., Ltd.Inventors: Jin-Woo PARK, Changjin LIM, Soyeon LEE, Su Seok CHOI, Kiseok CHANG, Jeong Min MOON, Soon Shin JUNG, Sungpil RYU, Jihwan JUNG
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Publication number: 20210124551Abstract: The present invention relates to an optical element capable of simultaneously outputting sound from the surface of a display device with an image, the optical element comprising: a first electrode member; a first dielectric elastomer layer disposed on the first electrode member; a second electrode member disposed on the first dielectric elastomer layer; and an optical crystal layer disposed on the second electrode member. Accordingly, in the present invention, image and sound are implemented simultaneously, and thus, it is possible to prevent defects due to mismatching of the image and the sound, and a separate sound system is not required when the display device is manufactured using the optical element, thereby making it possible to reduce components of an electronic product including the display device and reduce the manufacturing cost.Type: ApplicationFiled: May 14, 2019Publication date: April 29, 2021Inventors: Jeong Yun SUN, Jeong Min MOON, Su Seok CHOI, Sungpil RYU, Jihwan JUNG, Kiseok CHANG, Do Yoon KIM, Hyesung CHO
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Publication number: 20200365743Abstract: The present disclosure provides a phototransistor and a manufacturing method therefor, the phototransistor having a defective oxide ray absorption layer introduced to an oxide semiconductor phototransistor through a solution process or a defective oxide ray absorption part introduced to an interface between a gate insulation film and an oxide semiconductor layer through interface control, which forms damage, thereby improving light absorption in the range of a visible light region.Type: ApplicationFiled: June 14, 2018Publication date: November 19, 2020Applicants: LG Display Co., Ltd., UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Hyun Jae KIM, Young Jun TAK, Jusung CHUNG, Jeong Min MOON, Su Seok CHOI, Sungpil RYU, Jihwan JUNG, Kiseok CHANG
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Publication number: 20200335571Abstract: An organic light emitting diode (OLED) display device includes a thin film transistor substrate including a first substrate, a thin film transistor disposed on the first substrate and a white organic light emitting diode (WOLED) electrically connected to the thin film transistor; a color filter substrate comprising a second substrate that faces the first substrate, and red, green and blue color filters disposed on the second substrate; a quantum dot pattern disposed on the WOLED of the thin film transistor substrate; and a refractive film disposed between the color filter substrate and the thin film transistor substrate provided with the quantum dot pattern.Type: ApplicationFiled: September 12, 2018Publication date: October 22, 2020Applicants: LG Display Co., Ltd., UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Young-Joo KIM, Hyo-Jun KIM, Jeong Min MOON, Su Seok CHOI, Sungpil RYU, Jihwan JUNG, Kiseok CHANG
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Publication number: 20200274217Abstract: The present invention relates to a phase shifter comprising a DGS and a radio communication module comprising the same. The phase shifter comprises: a first substrate; a microstrip formed on the first substrate so as to extend in a first direction; a ground layer disposed with a space on the upper surface of the microstrip and having a defected ground structure (DGS) with a defected pattern formed therein; a second substrate disposed on the ground layer; and a liquid crystal layer disposed in a space between the first substrate and the second substrate, wherein DC voltage is applied between the ground layer and the microstrip.Type: ApplicationFiled: October 23, 2018Publication date: August 27, 2020Applicants: LG Display Co., Ltd., UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Byungwook MIN, Hoon Bae KIM, Sung-Eun KIM, Jeong Min MOON, Su Seok CHOI, Sungpil RYU, Jihwan JUNG, Kiseok CHANG
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Patent number: 8804070Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight including a diffusion medium located between lamps and a diffusion plate to diffuse light. The diffusion medium includes an external band of square type diffusion medium and a plurality of ribs formed of the diffusion medium connected to both sides of the external band of square type diffusion medium. The ribs include a plurality of first ribs which are directly located over the lamps, a plurality of second ribs which are located between the first ribs, and a third rib which connects each of the ribs to each other.Type: GrantFiled: September 8, 2011Date of Patent: August 12, 2014Assignee: LG Display Co., Ltd.Inventors: Jeong Min Moon, Eun Ju Kim
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Optical film, method of manufacturing optical film and liquid crystal display device having the same
Patent number: 8679618Abstract: An optical film includes a multi-layer sheet including: a plurality of polyethylene terephthalate polymer layers, the polymer layers having a first refraction index in a first direction parallel to a plane of the polymer layers and a second refraction index in a second direction parallel to the plane of the polymer layers, and a plurality of polyethylene terephthalate copolymer layers, the copolymer layers having a third refraction index in the first and second directions, a protection sheet on at least one side of the multi-layer sheet, and an adhesive member between the multi-layer sheet and the protection sheet.Type: GrantFiled: May 2, 2007Date of Patent: March 25, 2014Assignee: LG Display Co., Ltd.Inventors: Jeong Min Moon, Byung Hwa Ji -
Patent number: 8152338Abstract: A light emitting diode (LED) lamp unit is disclosed for obtain a thin profile display device, to improve uniformity of light, and to simplify a power connection line for operation, which includes an optical lens having a central recess part and an edge, wherein the central recess part is hollowed out inwardly, and the edge is formed in shape of a flat surface or in shape of a convex lens; at least one or more LED chips arranged at fixed intervals in a lower portion of the optical lens; and a lower reflecting sheet positioned on a bottom surface of the LED chip.Type: GrantFiled: March 15, 2010Date of Patent: April 10, 2012Assignee: LG Display Co., Ltd.Inventor: Jeong Min Moon
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Publication number: 20110317098Abstract: A liquid crystal display device that reduces manufacturing cost, contributes to a thin profile, and generates uniform brightness, and a fabricating method thereof are disclosed. In the liquid crystal display device, a liquid crystal display panel is prepared. A backlight includes a plurality of lamps, a diffusion plate which is located on the lamps, and an intermediate diffusion medium located between the lamps and the diffusion plate to diffuse light from the lamps, and irradiates light to the liquid crystal display panel. Furthermore, in the method of fabricating the liquid crystal display device, a diffusion material is molded using a mold to form an intermediate diffusion medium that includes a plurality of ribs connected to an external band of square type and both sides of the external band of square type, respectively. The intermediate diffusion medium is located between lamps and a diffusion plate.Type: ApplicationFiled: September 8, 2011Publication date: December 29, 2011Inventors: Jeong Min MOON, Eun Ju Kim
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Patent number: 8045086Abstract: A backlight unit having a decreased thickness includes at least one lamp which emits light; and at least one light-diffusion plate which diffuses the light emitted from the light, and is positioned above each lamp, wherein the lamp and the light-diffusion plate are fixed and supported by a lamp guide.Type: GrantFiled: December 27, 2006Date of Patent: October 25, 2011Assignee: LG Display Co., Ltd.Inventors: Jeong-Min Moon, Eun-Ju Kim, Jae-Won Lee
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Patent number: 8023067Abstract: A liquid crystal display device that reduces manufacturing cost, contributes to a thin profile, and generates uniform brightness, and a fabricating method thereof are disclosed. In the liquid crystal display device, a liquid crystal display panel is prepared. A backlight includes a plurality of lamps, a diffusion plate which is located on the lamps, and an intermediate diffusion medium located between the lamps and the diffusion plate to diffuse light from the lamps, and irradiates light to the liquid crystal display panel. Furthermore, in the method of fabricating the liquid crystal display device, a diffusion material is molded using a mold to form an intermediate diffusion medium that includes a plurality of ribs connected to an external band of square type and both sides of the external band of square type, respectively. The intermediate diffusion medium is located between lamps and a diffusion plate.Type: GrantFiled: November 26, 2007Date of Patent: September 20, 2011Assignee: LG Display Co., Ltd.Inventors: Jeong Min Moon, Eun Ju Kim