Patents by Inventor Hong-Jo Park
Hong-Jo Park 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: 20240032405Abstract: A display panel includes a base layer, a light-emitting element layer on the base layer, a capping layer on the light-emitting element layer, an inorganic absorption layer on the capping layer, and having a refractive index of about 1.8 to about 3.0, and an encapsulation layer on the inorganic absorption layer, and including a first layer, a second layer, and a third layer that are sequentially stacked, wherein the first layer includes: a first sub layer on the inorganic absorption layer, and having a first refractive index of about 1.77 or more, and a second sub layer on the first sub layer, and having a second refractive index lower than the first refractive index.Type: ApplicationFiled: May 23, 2023Publication date: January 25, 2024Inventors: SEUNGYEON JEONG, OHJEONG KWON, SU JEONG KIM, TAEHO KIM, HONG-JO PARK, HONGYEON LEE
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Publication number: 20230284478Abstract: A display device includes luminous and non-luminous areas. The display device includes a display element layer, an optical control layer, and a low reflective window, stacked in the order provided. The low reflective window has SCI reflectivity of 4.12% or less. The display element layer includes a pixel definition film where a pixel opening that does not overlap the luminous area is defined. A first electrode is exposed through the pixel opening. An emission layer is disposed on the first electrode. A second electrode is disposed on the emission layer. A low reflective layer is disposed on the second electrode and includes bismuth (Bi) and/or ytterbium (Yb). The optical control layer includes a color pattern part that does not overlap the luminous area, and an overcoat layer disposed on the color pattern part and overlapping the luminous and non-luminous areas.Type: ApplicationFiled: November 23, 2022Publication date: September 7, 2023Inventors: HONG-JO PARK, SOO-HYE RYU, JINSU LEE
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Publication number: 20220367574Abstract: A display device includes a substrate, a light emitting diode layer on the substrate and including light emitting diodes which emit light, a color filter layer on the light emitting diode layer and including color filters corresponding to the light emitting diodes, an overcoat layer on the color filter layer and including a colorant, and a window on the overcoat layer.Type: ApplicationFiled: December 15, 2021Publication date: November 17, 2022Inventors: EUNGGYU LEE, HONG-JO PARK, BEOHMROCK CHOI
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Patent number: 11281038Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of thin film transistors each connected to one of the gate lines and one of the data lines; a plurality of pixels each including a first electrode and a second electrode insulated from the first electrode and connected to one of the thin film transistors, the pixels arranged in a plurality of pixel rows and a plurality of pixel columns; and a plurality of sensing lines connected to the first electrodes. The gate lines include front gate lines and rear gate lines arranged at a front and a rear of each of the respective pixel rows, and a rear gate line of a front pixel row and a front gate line of a rear pixel row are arranged between adjacent pixel rows, and two pixel columns are arranged between adjacent data lines.Type: GrantFiled: October 28, 2019Date of Patent: March 22, 2022Inventors: Mi Sun Lee, Hong Jo Park
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Patent number: 11269433Abstract: A display device includes a display element including a first electrode, a protective layer arranged on the first electrode, a second electrode arranged on the protective layer at a pixel area and contacting a thin film transistor. A sensing line is arranged on the protective layer and contacts the first electrode through a contact hole exposing the first electrode through the third protective layer. The sensing line comprises a first conductive layer arranged on the protective layer and contacting the second electrode through the contact hole, and a second conductive layer arranged on the first conductive layer.Type: GrantFiled: March 17, 2020Date of Patent: March 8, 2022Inventors: Young Gu Kang, Yang Hee Kim, Hong Jo Park, Su Jin Lee, Jong Hwan Lee, Hyun Hwan Choi
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Patent number: 11243424Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of thin film transistors each connected to one of the gate lines and one of the data lines; a plurality of pixels each including a first electrode and a second electrode insulated from the first electrode and connected to one of the thin film transistors, the pixels arranged in a plurality of pixel rows and a plurality of pixel columns; and a plurality of sensing lines connected to the first electrodes. The gate lines include front gate lines and rear gate lines arranged at a front and a rear of each of the respective pixel rows, and a rear gate line of a front pixel row and a front gate line of a rear pixel row are arranged between adjacent pixel rows, and two pixel columns are arranged between adjacent data lines.Type: GrantFiled: October 28, 2019Date of Patent: February 8, 2022Inventors: Mi Sun Lee, Hong Jo Park
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Publication number: 20200218389Abstract: A display device includes a display element including a first electrode, a protective layer arranged on the first electrode, a second electrode arranged on the protective layer at a pixel area and contacting a thin film transistor. A sensing line is arranged on the protective layer and contacts the first electrode through a contact hole exposing the first electrode through the third protective layer. The sensing line comprises a first conductive layer arranged on the protective layer and contacting the second electrode through the contact hole, and a second conductive layer arranged on the first conductive layer.Type: ApplicationFiled: March 17, 2020Publication date: July 9, 2020Inventors: Young Gu KANG, Yang Hee KIM, Hong Jo PARK, Su Jin LEE, Jong Hwan LEE, Hyun Hwan CHOI
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Patent number: 10613659Abstract: A display device includes a display element including a first electrode, a protective layer arranged on the first electrode, a second electrode arranged on the protective layer at a pixel area and contacting a thin film transistor. A sensing line is arranged on the protective layer and contacts the first electrode through a contact hole exposing the first electrode through the third protective layer. The sensing line comprises a first conductive layer arranged on the protective layer and contacting the second electrode through the contact hole, and a second conductive layer arranged on the first conductive layer.Type: GrantFiled: February 28, 2017Date of Patent: April 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Young Gu Kang, Yang Hee Kim, Hong Jo Park, Su Jin Lee, Jong Hwan Lee, Hyun Hwan Choi
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Publication number: 20200064964Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of thin film transistors each connected to one of the gate lines and one of the data lines; a plurality of pixels each including a first electrode and a second electrode insulated from the first electrode and connected to one of the thin film transistors, the pixels arranged in a plurality of pixel rows and a plurality of pixel columns; and a plurality of sensing lines connected to the first electrodes. The gate lines include front gate lines and rear gate lines arranged at a front and a rear of each of the respective pixel rows, and a rear gate line of a front pixel row and a front gate line of a rear pixel row are arranged between adjacent pixel rows, and two pixel columns are arranged between adjacent data lines.Type: ApplicationFiled: October 28, 2019Publication date: February 27, 2020Inventors: Mi Sun LEE, Hong Jo PARK
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Patent number: 10459565Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of thin film transistors each connected to one of the gate lines and one of the data lines; a plurality of pixels each including a first electrode and a second electrode insulated from the first electrode and connected to one of the thin film transistors, the pixels arranged in a plurality of pixel rows and a plurality of pixel columns; and a plurality of sensing lines connected to the first electrodes. The gate lines include front gate lines and rear gate lines arranged at a front and a rear of each of the respective pixel rows, and a rear gate line of a front pixel row and a front gate line of a rear pixel row are arranged between adjacent pixel rows, and two pixel columns are arranged between adjacent data lines.Type: GrantFiled: September 12, 2016Date of Patent: October 29, 2019Assignee: Samsung Display Co., Ltd.Inventors: Mi Sun Lee, Hong Jo Park
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Publication number: 20170269750Abstract: A display device includes a display element including a first electrode, a protective layer arranged on the first electrode, a second electrode arranged on the protective layer at a pixel area and contacting a thin film transistor. A sensing line is arranged on the protective layer and contacts the first electrode through a contact hole exposing the first electrode through the third protective layer. The sensing line comprises a first conductive layer arranged on the protective layer and contacting the second electrode through the contact hole, and a second conductive layer arranged on the first conductive layer.Type: ApplicationFiled: February 28, 2017Publication date: September 21, 2017Inventors: Young Gu KANG, Yang Hee KIM, Hong Jo PARK, Su Jin LEE, Jong Hwan LEE, Hyun Hwan CHOI
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Publication number: 20170205934Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of thin film transistors each connected to one of the gate lines and one of the data lines; a plurality of pixels each including a first electrode and a second electrode insulated from the first electrode and connected to one of the thin film transistors, the pixels arranged in a plurality of pixel rows and a plurality of pixel columns; and a plurality of sensing lines connected to the first electrodes. The gate lines include front gate lines and rear gate lines arranged at a front and a rear of each of the respective pixel rows, and a rear gate line of a front pixel row and a front gate line of a rear pixel row are arranged between adjacent pixel rows, and two pixel columns are arranged between adjacent data lines.Type: ApplicationFiled: September 12, 2016Publication date: July 20, 2017Inventors: Mi Sun LEE, Hong Jo PARK
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Patent number: 9395580Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and an opposing second substrate; a first pixel electrode and a second pixel electrode disposed in a pixel area, on the first substrate, and including a plurality of branch electrodes; and a liquid crystal layer interposed between the first and second electrodes. Branches electrode of the first pixel electrode and the second pixel electrode are interlaced. The first pixel electrode has an extension disposed adjacent to the center of the pixel area, and a minimum distance between the extension and the adjacent branch electrode is different from an average minimum between the adjacent branch electrodes.Type: GrantFiled: January 16, 2015Date of Patent: July 19, 2016Assignee: Samsung Display Co., Ltd.Inventors: Mee-Hye Jung, Doo-Hwan You, Young-Hoon Yoo, Woo-Sung Sohn, Sung-Hoon Kim, Jae-Yong Shin, Se-Hyoung Cho, Hye-Seok Na, Hong-Jo Park, Hyang-Yul Kim
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Patent number: 9373651Abstract: A display device includes a first substrate including a protrusion electrode pattern, a second substrate disposed opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The protrusion electrode pattern is made of a conductive polymer material, and a state of the liquid crystal layer changes from an isotropic state to an anisotropic state when an electric field is applied.Type: GrantFiled: January 27, 2014Date of Patent: June 21, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung-Jae Yun, Hae-Young Yun, Hyeok-Jin Lee, Hong-Jo Park
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Patent number: 9244314Abstract: A liquid crystal display includes a first substrate, a second substrate, a liquid crystal layer between the substrates and including liquid crystal molecules, a first pixel electrode, and a second pixel electrode. The pixel electrodes each include a stem at an edge of a pixel area, and a plurality of branches extended from the stem. The branches of the pixel electrodes are alternately disposed. The liquid crystal display further includes a first region including a first interval between the branches of the first pixel electrode and adjacent branches of the second pixel electrode, and a second region including a second interval between the branches of the first pixel electrode and the adjacent branches of the second pixel electrode which is smaller than the first interval. The first region is where the stems of the first pixel electrode and the second pixel electrode are not disposed.Type: GrantFiled: September 23, 2011Date of Patent: January 26, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kook Hyun Choi, Sung Hoon Kim, Hong-Jo Park, Mee Hye Jung, Woo Sung Sohn, Jae-Yong Shin
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Publication number: 20150138495Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and an opposing second substrate; a first pixel electrode and a second pixel electrode disposed in a pixel area, on the first substrate, and including a plurality of branch electrodes; and a liquid crystal layer interposed between the first and second electrodes. Branches electrode of the first pixel electrode and the second pixel electrode are interlaced. The first pixel electrode has an extension disposed adjacent to the center of the pixel area, and a minimum distance between the extension and the adjacent branch electrode is different from an average minimum between the adjacent branch electrodes.Type: ApplicationFiled: January 16, 2015Publication date: May 21, 2015Inventors: Mee-Hye JUNG, Doo-Hwan YOU, Young-Hoon YOO, Woo-Sung SOHN, Sung-Hoon KIM, Jae-Yong SHIN, Se-Hyoung CHO, Hye-Seok NA, Hong-Jo PARK, Hyang-Yul KIM
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Patent number: 8937699Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and an opposing second substrate; a first pixel electrode and a second pixel electrode disposed in a pixel area, on the first substrate, and including a plurality of branch electrodes; and a liquid crystal layer interposed between the first and second electrodes. Branches electrode of the first pixel electrode and the second pixel electrode are interlaced. The first pixel electrode has an extension disposed adjacent to the center of the pixel area, and a minimum distance between the extension and the adjacent branch electrode is different from an average minimum between the adjacent branch electrodes.Type: GrantFiled: June 8, 2011Date of Patent: January 20, 2015Assignee: Samsung Display Co., Ltd.Inventors: Mee-Hye Jung, Doo-Hwan You, Young-Hoon Yoo, Woo-Sung Sohn, Sung-Hoon Kim, Jae-Yong Shin, Se-Hyoung Cho, Hye-Seok Na, Hong-Jo Park, Hyang-Yul Kim
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Publication number: 20140141554Abstract: A display device includes a first substrate including a protrusion electrode pattern, a second substrate disposed opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The protrusion electrode pattern is made of a conductive polymer material, and a state of the liquid crystal layer changes from an isotropic state to an anisotropic state when an electric field is applied.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Applicant: Samsung Display Co., Ltd.Inventors: Sung-Jae YUN, Hae-Young YUN, Hyeok-Jin LEE, Hong-Jo PARK
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Patent number: 8587761Abstract: A liquid crystal display includes a first substrate, a gate line and first and second data lines disposed on the first substrate, a first thin film transistor connected to the gate line and the first data line, a second thin film transistor connected to the gate line and the second data line, a color filter disposed on the first substrate, a protrusion disposed on the color filter, a first pixel electrode including a first linear electrode disposed on the protrusion and connected to the first thin film transistor, a second pixel electrode including a second linear electrode disposed on the protrusion and connected to the second thin film transistor, a second substrate disposed facing the first substrate, and blue phase liquid crystal disposed between the first substrate and the second substrate.Type: GrantFiled: May 14, 2012Date of Patent: November 19, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kang, Yong-Hwan Shin, Hong-Jo Park, Jae-Sung Kim, Yang-Ho Jung
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Patent number: 8427515Abstract: Disclosed are a display device and a method of driving the same that improve both moving image visibility and lateral visibility. A display panel including gate and data lines arranged in the form of a matrix for displaying an image, a gate driver for driving the gate line, and a data driver for supplying a low gray scale image signal, a high gray scale image signal, and a black impulsive signal to the data line within one frame period.Type: GrantFiled: December 4, 2007Date of Patent: April 23, 2013Assignee: Samusng Display Co., Ltd.Inventors: Hee-Seop Kim, Jun-Woo Lee, Hong-Jo Park, Eun-Hee Han, Seung-Hoon Lee, Sung-Jae Yun