Patents by Inventor Jongmin OK
Jongmin OK 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: 11709404Abstract: A display device includes a base layer, a first pixel transistor, a first gate line, a first data line electrically connected to the first pixel transistor, a first pixel electrode electrically connected to the first pixel transistor and overlapping the first data line in a plan view, and a porous layer. The porous layer is disposed between the first data line and the first pixel electrode and includes a matrix including a polymer resin and a plurality of void portions defined in the matrix. The display device is capable of displaying a sharp image because the porous layer alleviates or prevents a crosstalk between the first data line and the first pixel electrode.Type: GrantFiled: September 15, 2020Date of Patent: July 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyelim Jang, Young Gu Kim, Jiyun Park, Jongho Son, Jongmin Ok, Sun-Young Chang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11650363Abstract: A low refractive layer includes a plurality of hollow inorganic particles and a matrix between the hollow inorganic particles, and capable of exhibiting a good refractive index and improved durability by enhancing the weight ratio of the hollow inorganic particles to the matrix. An electronic device according to an embodiment of the inventive concept including the low refractive layer may exhibit improved reliability and good display quality.Type: GrantFiled: July 1, 2019Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Taekjoon Lee, Young gu Kim, Sun-young Chang, Jongmin Ok, Hyelim Jang, Jin-soo Jung, Kyungseon Tak
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Patent number: 11614654Abstract: Provided is an optical member. The optical member includes a color filter member including quantum dots and a low-refractive index layer below the color filter member and including a first hollow particle and a second hollow particle. The first hollow particle may have a particle size different from a particle size of the second hollow particle.Type: GrantFiled: September 21, 2021Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin-soo Jung, Younggu Kim, Taekjoon Lee, Jongmin Ok, Sun-young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11609371Abstract: An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.Type: GrantFiled: December 23, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyungseon Tak, Younggu Kim, Taekjoon Lee, Sun-Young Chang, Jin-Soo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon
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Publication number: 20220403179Abstract: A photosensitive resin composition and an electronic apparatus including the same are provided. The photosensitive resin composition includes: a first unit including one or more acryloyl groups, a second unit including one or more epoxy groups, and a third unit including at least one hydrophilic group, wherein a ratio of the equivalent weight of the acryloyl group to the equivalent weight of the epoxy group is 2:1 or more.Type: ApplicationFiled: June 1, 2022Publication date: December 22, 2022Inventors: Sunghwan Hong, Beomsoo Shin, Sukhoon Kang, Jeongsoo Kim, Jongmin Ok, Minseok Lee
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Publication number: 20220123247Abstract: An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.Type: ApplicationFiled: December 23, 2021Publication date: April 21, 2022Inventors: Kyungseon TAK, YOUNGGU KIM, TAEKJOON LEE, SUN-YOUNG CHANG, JIN-SOO JUNG, JONGMIN OK, HYELIM JANG, BAEKKYUN JEON
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Patent number: 11307461Abstract: Provided is a display device. The display device includes a liquid crystal display panel and an optical film disposed above the liquid crystal display panel, the optical film comprising a first pattern layer having a first refractive index and a second pattern layer having a second refractive index different from the first refractive index and disposed on the first pattern layer. The first pattern layer includes a first base part and a plurality of first protrusions. Each of the first protrusions includes a bottom surface adjacent to the first base part, an upper surface facing the bottom surface, and side surfaces between the bottom surface and the upper surface. Each of the side surfaces is perpendicular to the bottom surface and the upper surface.Type: GrantFiled: March 18, 2020Date of Patent: April 19, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jongho Son, Young Gu Kim, Jiyun Park, Jongmin Ok, Sun-Young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11281042Abstract: An optical film may include a first pattern layer having a first refractive index and including a base portion and a plurality of protrusions on the base portion x, and a second pattern layer disposed on the first pattern layer and having a second refractive index different from the first refractive index. Each of the protrusions may include n sub-protrusions (n is an integer of 2 or greater), which are stacked in a thickness direction of the base portion. Each of the n sub-protrusions may have a quadrilateral shape. A side surface of the protrusion defined by the n sub-protrusions may include at least one step portion. The optical film improves display quality of a display device in front and lateral directions.Type: GrantFiled: June 8, 2020Date of Patent: March 22, 2022Inventors: Jongmin Ok, Young Gu Kim, Jiyun Park, Jongho Son, Sun-Young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Publication number: 20220057673Abstract: Provided is an optical member. The optical member includes a color filter member including quantum dots and a low-refractive index layer below the color filter member and including a first hollow particle and a second hollow particle. The first hollow particle may have a particle size different from a particle size of the second hollow particle.Type: ApplicationFiled: September 21, 2021Publication date: February 24, 2022Inventors: Jin-soo JUNG, Younggu KIM, Taekjoon LEE, Jongmin OK, Sun-young CHANG, Hyelim JANG, Baekkyun JEON, Kyungseon TAK
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Patent number: 11245097Abstract: A display device including a light emitting element layer, an encapsulation layer disposed on the light emitting element layer, wherein the encapsulation layer includes a hollow polymer structure, and an input sensor disposed on the encapsulation layer.Type: GrantFiled: June 4, 2020Date of Patent: February 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jiyun Park, Young Gu Kim, Jongmin Ok, Sun-Young Chang, Hyelim Jang, Kyungseon Tak, Baekkyun Jeon
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Patent number: 11237424Abstract: A display device includes a display panel from which light is emitted; and an optical film to which the light from the display panel is incident. The optical film includes: a first pattern layer having a first refractive index, and a second pattern layer having a second refractive index lower than the first refractive index, the second pattern layer including a plurality of hollow inorganic particles. The second pattern layer which has the second refractive index lower than the first refractive index and includes the plurality of hollow inorganic particles, is disposed further from the display panel than the first pattern layer.Type: GrantFiled: May 22, 2020Date of Patent: February 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Gu Kim, Jiyun Park, Jongho Son, Jongmin Ok, Sun-Young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11231541Abstract: An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.Type: GrantFiled: June 5, 2019Date of Patent: January 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyungseon Tak, Younggu Kim, Taekjoon Lee, Sun-Young Chang, Jin-Soo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon
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Patent number: 11204459Abstract: A display device includes: a light source configured to generate a light; a display panel configured to display images using the light; a light guide having at least one surface adjacent the light source; and an optical member between the light guide member and the display panel. The optical member includes: a low refractive index layer on a light exit surface of the light guide member; a first cover layer on the low refractive index layer; and a light conversion layer on the first cover layer and configured to convert a wavelength band of an incident light.Type: GrantFiled: February 17, 2021Date of Patent: December 21, 2021Assignee: Samsung Display Co., Ltd.Inventors: Younggu Kim, Taekjoon Lee, Sunyoung Chang, Jinsoo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11158837Abstract: A display apparatus includes a substrate comprising a display area and a non-display area. A light-emitting device is on the display area. A thin-film encapsulation layer is on the light-emitting device. The thin-film encapsulation layer includes at least one inorganic encapsulation layer and at least one organic encapsulation layer. The organic encapsulation layer includes a plurality of organic particles having a core-shell structure that includes a hollow core and a shell surrounding the hollow core. A touch unit is on the thin-film encapsulation layer.Type: GrantFiled: April 24, 2020Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Younggu Kim, Jiyun Park, Jongmin Ok, Byoungduk Lee, Taekjoon Lee, Sunyoung Chang, Hyelim Jang, Baekkyun Jeon, Jinsoo Jung, Kyungseon Tak, Jaeheung Ha
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Patent number: 11131874Abstract: An optical film includes a first pattern layer including a first base portion and first protruding portions disposed on the first base portion to be spaced apart from each other and having a first refractive index and a second pattern layer disposed on the first pattern layer and having a second refractive index. Each of the first protruding portions includes a first sub-protruding portion having a first width in a cross-section perpendicular to the first base portion, a second sub-protruding portion disposed between the first base portion and the first sub-protruding portion and having a width that increases from the first sub-protruding portion to the first base portion, and a third sub-protruding portion disposed on the first sub-protruding portion and having a width that decreases as a distance from the first sub-protruding portion increases.Type: GrantFiled: March 11, 2020Date of Patent: September 28, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyungseon Tak, Young Gu Kim, Jiyun Park, Jongho Son, Jongmin Ok, Sun-Young Chang, Hyelim Jang, Baekkyun Jeon
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Patent number: 11126029Abstract: Provided is an optical member. The optical member includes a color filter member including quantum dots and a low-refractive index layer below the color filter member and including a first hollow particle and a second hollow particle. The first hollow particle may have a particle size different from a particle size of the second hollow particle.Type: GrantFiled: June 12, 2019Date of Patent: September 21, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jin-soo Jung, Younggu Kim, Taekjoon Lee, Jongmin Ok, Sun-young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Publication number: 20210173136Abstract: A display device includes: a light source configured to generate a light; a display panel configured to display images using the light; a light guide having at least one surface adjacent the light source; and an optical member between the light guide member and the display panel. The optical member includes: a low refractive index layer on a light exit surface of the light guide member; a first cover layer on the low refractive index layer; and a light conversion layer on the first cover layer and configured to convert a wavelength band of an incident light.Type: ApplicationFiled: February 17, 2021Publication date: June 10, 2021Inventors: Younggu KIM, Taekjoon LEE, Sunyoung CHANG, Jinsoo JUNG, Jongmin OK, Hyelim JANG, Baekkyun JEON, Kyungseon TAK
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Publication number: 20210103192Abstract: A display device includes a base layer, a first pixel transistor, a first gate line, a first data line electrically connected to the first pixel transistor, a first pixel electrode electrically connected to the first pixel transistor and overlapping the first data line in a plan view, and a porous layer. The porous layer is disposed between the first data line and the first pixel electrode and includes a matrix including a polymer resin and a plurality of void portions defined in the matrix. The display device is capable of displaying a sharp image because the porous layer alleviates or prevents a crosstalk between the first data line and the first pixel electrode.Type: ApplicationFiled: September 15, 2020Publication date: April 8, 2021Inventors: Hyelim JANG, YOUNG GU KIM, Jiyun PARK, JONGHO SON, Jongmin OK, Sun-Young CHANG, BAEKKYUN JEON, Kyungseon TAK
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Publication number: 20210098741Abstract: A display device including a light emitting element layer, an encapsulation layer disposed on the light emitting element layer, wherein the encapsulation layer includes a hollow polymer structure, and an input sensor disposed on the encapsulation layer.Type: ApplicationFiled: June 4, 2020Publication date: April 1, 2021Inventors: Jiyun PARK, YOUNG GU KIM, Jongmin OK, Sun-Young CHANG, Hyelim JANG, Kyungseon TAK, BAEKKYUN JEON
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Patent number: 10948649Abstract: A display device includes: a light source configured to generate a light; a display panel configured to display images using the light; a light guide having at least one surface adjacent the light source; and an optical member between the light guide member and the display panel. The optical member includes: a low refractive index layer on a light exit surface of the light guide member; a first cover layer on the low refractive index layer; and a light conversion layer on the first cover layer and configured to convert a wavelength band of an incident light.Type: GrantFiled: September 27, 2019Date of Patent: March 16, 2021Assignee: Samsung Display Co., Lid.Inventors: Younggu Kim, Taekjoon Lee, Sunyoung Chang, Jinsoo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak