Patents by Inventor So-Haeng Cho
So-Haeng Cho 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: 20220066258Abstract: A liquid crystal display device includes a display module, a functional layer, and a heating module. The display module has a display surface. The functional layer is disposed at one side of the display surface of the display module. The heating module is disposed corresponding to the display module. The liquid crystal display device can solve the phenomenon of liquid crystal hysteresis caused by low-temperature environments.Type: ApplicationFiled: August 31, 2020Publication date: March 3, 2022Inventors: So Haeng Cho, Sang Jin Kim, Cheng Ping Liu, Yan Fei He
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Patent number: 8624856Abstract: A liquid crystal display device includes a liquid crystal panel comprising a first substrate and a second substrate, a seal pattern arranged in the edge provided between the first and second substrates, and a liquid crystal layer, a plurality of first electrodes and second electrodes crossing each other and arranged in the seal pattern on an outer surface of the second substrate, a pad electrode for the touch panel partially overlapping the seal pattern on the outer surface of the second substrate, a pad electrode for the liquid crystal panel arranged at the outside of the seal pattern on the first substrate, a chip-on-film (COF) connected to the pad electrode for the liquid crystal panel, a printed circuit board for driving the liquid crystal panel, connected to the chip-on-film, a routing line to connect the pad electrode for the touch panel to the first electrodes and the second electrodes on the outer surface of the second substrate, and a flexible printed cable connected to pad electrodes for the touch pType: GrantFiled: December 1, 2010Date of Patent: January 7, 2014Assignee: LG Display Co., Ltd.Inventors: Dong-Sup Kim, Deuk-Su Lee, So-Haeng Cho, Se-Jong Yoo
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Patent number: 8330928Abstract: A pad of a liquid crystal display and a method for manufacturing the same are disclosed. The pad of the liquid crystal display includes an IC substrate and a lower substrate opposite each other, an IC pad metal formed on the IC substrate, a bump formed on the IC substrate to come into contact with the IC pad metal, a first transparent electrode electrically connected with the IC pad metal, an interlayer insulating layer formed between the IC pad metal and the first transparent electrode, a gate pad metal formed on the lower substrate, a second transparent electrode electrically connected with the gate pad metal, a gate insulating layer formed between the gate pad metal and the second transparent electrode, and a conductive ball to electrically connect the first transparent electrode and the second transparent electrode to each other.Type: GrantFiled: June 17, 2008Date of Patent: December 11, 2012Assignee: LG Display Co., Ltd.Inventors: Kyoung Moon Lim, Yong Chan Park, So Haeng Cho
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Patent number: 8232946Abstract: A liquid crystal display and a driving method thereof having a plurality of common electrodes to which a common voltage is independently applied, and divided into more than two portions to change a potential of a common voltage into divided common electrode units, and reducing amplitude of a scanning pulse to prevent a deterioration of a display quality by a feed through voltage.Type: GrantFiled: May 25, 2007Date of Patent: July 31, 2012Assignee: LG Display Co., Ltd.Inventors: Hyun Jim Kim, Bu Yeol Lee, So Haeng Cho
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Patent number: 8118466Abstract: A backlight assembly includes first and second backlight units independently operating based on driving modes, and a light blocking member interposed between the first and second backlight units. The first backlight assembly includes a first light source generating and supplying a first light to a main display part of a display panel in a main mode and turned-off in a sub mode. The second backlight assembly includes a second light source generating and supplying a second light having different color from the first light to a sub display part of the display panel in a main mode and a sub mode.Type: GrantFiled: January 10, 2011Date of Patent: February 21, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: So-Haeng Cho, Jin-Wook Yang, Sang-Hun Lee, Hyo-Sang Yang
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Patent number: 8081174Abstract: An organic electroluminescent display device includes a substrate, a gate line on the substrate, a data line crossing the gate line over the substrate, a switching thin film transistor near the crossing of the gate line and data line, a driving thin film transistor system including a plurality of sub-TFTs connected in parallel to the switching thin film transistor via a gate base, a power line crossing the gate line over the substrate and electrically connected with the plurality of sub-TFTs, a first electrode over the driving thin film transistor system in contact with the plurality of sub-TFTs, an organic electroluminescent layer on the first electrode, and a second electrode of transparent material on the organic electroluminescent layer.Type: GrantFiled: December 23, 2010Date of Patent: December 20, 2011Assignee: LG Display Co., Ltd.Inventors: Jae-Yong Park, So-Haeng Cho
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Publication number: 20110141042Abstract: A liquid crystal display device includes a liquid crystal panel comprising a first substrate and a second substrate, a seal pattern arranged in the edge provided between the first and second substrates, and a liquid crystal layer, a plurality of first electrodes and second electrodes crossing each other and arranged in the seal pattern on an outer surface of the second substrate, a pad electrode for the touch panel partially overlapping the seal pattern on the outer surface of the second substrate, a pad electrode for the liquid crystal panel arranged at the outside of the seal pattern on the first substrate, a chip-on-film (COF) connected to the pad electrode for the liquid crystal panel, a printed circuit board for driving the liquid crystal panel, connected to the chip-on-film, a routing line to connect the pad electrode for the touch panel to the first electrodes and the second electrodes on the outer surface of the second substrate, and a flexible printed cable connected to pad electrodes for the touch pType: ApplicationFiled: December 1, 2010Publication date: June 16, 2011Inventors: Dong-Sup KIM, Deuk-Su Lee, So-Haeng Cho, Se-Jong Yoo
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Patent number: 7956959Abstract: A display device includes: a back light unit for emitting a light; a lower polarization plate on the back light unit; a liquid crystal display panel on the lower polarization plate for displaying an image; an upper polarization plate on the liquid crystal display panel; an optical film bonded to the upper polarization plate; and a transparent material on the optical film for improving hardness of the optical film.Type: GrantFiled: December 18, 2008Date of Patent: June 7, 2011Assignee: LG Display Co., Ltd.Inventors: Su Chang An, So Haeng Cho, Jae Hoon Park
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Publication number: 20110102407Abstract: A backlight assembly includes first and second backlight units independently operating based on driving modes, and a light blocking member interposed between the first and second backlight units. The first backlight assembly includes a first light source generating and supplying a first light to a main display part of a display panel in a main mode and turned-off in a sub mode. The second backlight assembly includes a second light source generating and supplying a second light having different color from the first light to a sub display part of the display panel in a main mode and a sub mode.Type: ApplicationFiled: January 10, 2011Publication date: May 5, 2011Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: So-Haeng CHO, Jin-Wook YANG, Sang-Hun LEE, Hyo-Sang YANG
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Publication number: 20110095968Abstract: An organic electroluminescent display device includes a substrate, a gate line on the substrate, a data line crossing the gate line over the substrate, a switching thin film transistor near the crossing of the gate line and data line, a driving thin film transistor system including a plurality of sub-TFTs connected in parallel to the switching thin film transistor via a gate base, a power line crossing the gate line over the substrate and electrically connected with the plurality of sub-TFTs, a first electrode over the driving thin film transistor system in contact with the plurality of sub-TFTs, an organic electroluminescent layer on the first electrode, and a second electrode of transparent material on the organic electroluminescent layer.Type: ApplicationFiled: December 23, 2010Publication date: April 28, 2011Inventors: Jae-Yong Park, So-Haeng Cho
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Patent number: 7928971Abstract: An organic electroluminescent display device includes a substrate, a gate line on the substrate, a data line crossing the gate line over the substrate, a switching thin film transistor near the crossing of the gate line and data line, a driving thin film transistor system including a plurality of sub-TFTs connected in parallel to the switching thin film transistor via a gate base, a power line crossing the gate line over the substrate and electrically connected with the plurality of sub-TFTs, a first electrode over the driving thin film transistor system in contact with the plurality of sub-TFTs, an organic electroluminescent layer on the first electrode, and a second electrode of transparent material on the organic electroluminescent layer.Type: GrantFiled: November 6, 2007Date of Patent: April 19, 2011Assignee: LG Display Co., Ltd.Inventors: Jae-Yong Park, So-Haeng Cho
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Patent number: 7909497Abstract: A backlight assembly includes first and second backlight units independently operating based on driving modes, and a light blocking member interposed between the first and second backlight units. The first backlight assembly includes a first light source generating and supplying a first light to a main display part of a display panel in a main mode and turned-off in a sub mode. The second backlight assembly includes a second light source generating and supplying a second light having different color from the first light to a sub display part of the display panel in a main mode and a sub mode.Type: GrantFiled: June 12, 2006Date of Patent: March 22, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: So-Haeng Cho, Jin-Wook Yang, Sang-Hun Lee, Hyo-Sang Yang
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Patent number: 7911460Abstract: An organic electroluminescent display device includes a substrate, a gate line on the substrate, a data line crossing the gate line over the substrate, a switching thin film transistor near the crossing of the gate line and data line, a driving thin film transistor system including a plurality of sub-TFTs connected in parallel to the switching thin film transistor via a gate base, a power line crossing the gate line over the substrate and electrically connected with the plurality of sub-TFTs, a first electrode over the driving thin film transistor system in contact with the plurality of sub-TFTs, an organic electroluminescent layer on the first electrode, and a second electrode of transparent material on the organic electroluminescent layer.Type: GrantFiled: November 6, 2007Date of Patent: March 22, 2011Assignee: LG Display Co., Ltd.Inventors: Jae-Yong Park, So-Haeng Cho
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Patent number: 7768586Abstract: Disclosed is a method for fabricating a liquid crystal display.Type: GrantFiled: August 14, 2007Date of Patent: August 3, 2010Assignee: LG Display Co., Ltd.Inventors: So Haeng Cho, Hyun Sang Chung
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Publication number: 20100053524Abstract: A display device includes: a back light unit for emitting a light; a lower polarization plate on the back light unit; a liquid crystal display panel on the lower polarization plate for displaying an image; an upper polarization plate on the liquid crystal display panel; an optical film bonded to the upper polarization plate; and a transparent material on the optical film for improving hardness of the optical film.Type: ApplicationFiled: December 18, 2008Publication date: March 4, 2010Inventors: Su Chang An, So Haeng Cho, Jae Hoon Park
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Patent number: 7477335Abstract: A method for fabricating a liquid crystal display device comprises: providing a transparent substrate; forming a gate electrode and a gate line on the substrate; forming a semiconductor layer pattern on the gate electrode; forming source/drain electrode and a data line vertically intersecting the gate line and defining a pixel region; and forming a striped passivation layer on the data line and on the thin film transistor.Type: GrantFiled: December 6, 2004Date of Patent: January 13, 2009Assignee: LG Display Co., Ltd.Inventors: So Haeng Cho, Min-Joo Kim
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Publication number: 20090002624Abstract: A pad of a liquid crystal display and a method for manufacturing the same are disclosed. The pad of the liquid crystal display includes an IC substrate and a lower substrate opposite each other, an IC pad metal formed on the IC substrate, a bump formed on the IC substrate to come into contact with the IC pad metal, a first transparent electrode electrically connected with the IC pad metal, an interlayer insulating layer formed between the IC pad metal and the first transparent electrode, a gate pad metal formed on the lower substrate, a second transparent electrode electrically connected with the gate pad metal, a gate insulating layer formed between the gate pad metal and the second transparent electrode, and a conductive ball to electrically connect the first transparent electrode and the second transparent electrode to each other.Type: ApplicationFiled: June 17, 2008Publication date: January 1, 2009Applicant: LG.DISPLAY CO., LTD.Inventors: Kyoung Moon Lim, Yong Chan Park, So Haeng Cho
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Patent number: 7441937Abstract: A backlight assembly having no step difference at a rear portion thereof includes a light generating unit and a receiving member. The light-generating unit includes a connecting member, a light source and a light guiding member. An external signal is transmitted to the light source through the connecting member, and a light is generated from the light source in response to the external signal. The light generated from the light source is guided to a display panel via the light guiding member. The receiving member includes a receiving space for receiving the light source and the light guiding member, and a receiving portion for receiving the connecting member. The receiving portion is formed on a rear surface of the receiving member. Accordingly, a thickness increase due to a step difference at the rear surface of the backlight assembly is sufficiently prevented.Type: GrantFiled: November 28, 2005Date of Patent: October 28, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: So-Haeng Cho, Jin-Wook Yang, Yong-Se Park
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Patent number: 7414681Abstract: The present invention provides a liquid crystal display device including an array substrate, a color filter substrate and a liquid crystal layer therebetween. The array substrate having a display region and non-display regions includes a plurality of gate lines transversely arranged in the display region; a plurality of data lines arranged perpendicular to the plurality of gate lines in the display region; a plurality of pixel electrodes, each pixel electrode disposed in a pixel region defined by each pair of gate lines and data lines; and a plurality of thin film transistors in crossover points of the plurality of gate lines and data lines, each thin film transistor connected to each pixel electrode.Type: GrantFiled: October 24, 2001Date of Patent: August 19, 2008Assignee: LG Display Co., Ltd.Inventors: So-Haeng Cho, Won-Gyun Youn
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Publication number: 20080136764Abstract: A liquid crystal display and a driving method thereof having a plurality of common electrodes to which a common voltage is independently applied, and divided into more than two portions to change a potential of a common voltage into divided common electrode units, and reducing amplitude of a scanning pulse to prevent a deterioration of a display quality by a feed through voltage.Type: ApplicationFiled: May 25, 2007Publication date: June 12, 2008Inventors: Hyun Jim Kim, Bu Yeol Lee, So Haeng Cho