Patents by Inventor Minju HAN
Minju 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: 20240069258Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: ApplicationFiled: October 27, 2023Publication date: February 29, 2024Inventors: MINSIK JUNG, OHJEONG KWON, SANGGYUN KIM, BYOUNGSEONG JEONG, MINJU HAN
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Patent number: 11803000Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: GrantFiled: June 21, 2021Date of Patent: October 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
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Publication number: 20230257401Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1-1 or Formula 1-2, which are each explained in the specification.Type: ApplicationFiled: November 28, 2022Publication date: August 17, 2023Applicant: Samsung Display Co., Ltd.Inventors: MINJU HAN, YOONKYOO LEE, HAN GEUL LEE, CHANGWOONG CHU
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Patent number: 11508940Abstract: A display device includes a light emitting element layer, and an optical pattern layer disposed on the light emitting element layer. The optical pattern layer includes a first pattern layer having a base part and protruding parts, and a second pattern layer having a refractive index less than a refractive index of the first pattern layer to scatter light incident to the optical pattern layer and minimize reduction in front efficiency, thereby providing an improved display quality of a side viewing angle.Type: GrantFiled: June 5, 2020Date of Patent: November 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ohjeong Kwon, Hongyeon Lee, Seungyeon Jeong, Minju Han
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Publication number: 20220238606Abstract: A display apparatus includes: a first light-emitting device, a second light-emitting device, and a third light-emitting device, on a substrate; a first color conversion layer and a second color conversion layer respectively on the first light-emitting device and the second light-emitting device; a transmissive layer on the third light-emitting device; and an optical functional layer on the first color conversion layer, the second color conversion layer, and the transmissive layer, and comprising a reflective metal layer and a light-absorbing layer, the light-absorbing layer being on the reflective metal layer, wherein the optical functional layer comprises a plurality of openings respectively corresponding to a first emission area of the first light-emitting device, a second emission area of the second light-emitting device, and a third emission area of the third light-emitting device.Type: ApplicationFiled: December 10, 2021Publication date: July 28, 2022Inventors: Seungyeon Jeong, Ohjeong Kwon, Hongyeon Lee, Minju Han, Hyeoji Kang
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Publication number: 20210311232Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: ApplicationFiled: June 21, 2021Publication date: October 7, 2021Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
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Patent number: 11041981Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: GrantFiled: December 23, 2019Date of Patent: June 22, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
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Patent number: 11016325Abstract: A display device including a display layer to provide a first color light, a color control layer on the grayscale display layer and including a transmission filter for transmitting the first color light and a color conversion filter for converting the first color light to another color light, and an optical control layer on the color control layer. The optical control layer includes a metal layer having an absorption coefficient of 3 or more and 3.5 or less in a wavelength range of 530 nm to 570 nm and a first inorganic sub-layer having an absorption coefficient of 0.3 or more and 1 or less in a wavelength range of 530 nm to 570 nm.Type: GrantFiled: March 18, 2019Date of Patent: May 25, 2021Assignee: Samsung Display Co., Ltd.Inventors: Ohjeong Kwon, Seulgee Lee, Minju Han, Jaejin Lyu, Suk-Kung Chei, Duckjong Suh
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Patent number: 10971557Abstract: A display device includes: a display panel including an organic electroluminescent element; and a color filter on the display panel and including a plurality of color filter portions spaced from each other on a plane, wherein at least one color filter portion of the color filter portions comprises a scattering agent having an average diameter of 50 nanometers (nm) or more and 500 nm or less.Type: GrantFiled: June 13, 2019Date of Patent: April 6, 2021Assignee: Samsung Display Co., Ltd.Inventors: Seungyeon Jeong, Ohjeong Kwon, Suk-kung Chei, Minju Han, Duckjong Suh, Bongsung Seo, Jaejin Lyu
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Publication number: 20210066665Abstract: A display device includes a light emitting element layer, and an optical pattern layer disposed on the light emitting element layer. The optical pattern layer includes a first pattern layer having a base part and protruding parts, and a second pattern layer having a refractive index less than a refractive index of the first pattern layer to scatter light incident to the optical pattern layer and minimize reduction in front efficiency, thereby providing an improved display quality of a side viewing angle.Type: ApplicationFiled: June 5, 2020Publication date: March 4, 2021Applicant: Samsung Display Co., LTD.Inventors: Ohjeong KWON, Hongyeon LEE, Seungyeon JEONG, Minju HAN
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Publication number: 20200217998Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: ApplicationFiled: December 23, 2019Publication date: July 9, 2020Inventors: Minsik JUNG, Ohjeong KWON, Sanggyun KIM, Byoungseong JEONG, Minju HAN
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Publication number: 20200075682Abstract: A display device includes: a display panel including an organic electroluminescent element; and a color filter on the display panel and including a plurality of color filter portions spaced from each other on a plane, wherein at least one color filter portion of the color filter portions comprises a scattering agent having an average diameter of 50 nanometers (nm) or more and 500 nm or less.Type: ApplicationFiled: June 13, 2019Publication date: March 5, 2020Inventors: Seungyeon JEONG, Ohjeong KWON, Suk-kung CHEI, Minju HAN, Duckjong SUH, Bongsung SEO, Jaejin LYU
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Publication number: 20190293990Abstract: A display device including a display layer to provide a first color light, a color control layer on the grayscale display layer and including a transmission filter for transmitting the first color light and a color conversion filter for converting the first color light to another color light, and an optical control layer on the color control layer. The optical control layer includes a metal layer having an absorption coefficient of 3 or more and 3.5 or less in a wavelength range of 530 nm to 570 nm and a first inorganic sub-layer having an absorption coefficient of 0.3 or more and 1 or less in a wavelength range of 530 nm to 570 nm.Type: ApplicationFiled: March 18, 2019Publication date: September 26, 2019Inventors: Ohjeong KWON, Seulgee LEE, Minju HAN, Jaejin LYU, Suk-kung CHEI, Duckjong SUH
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Patent number: 10185180Abstract: A display device includes a plurality of pixels, and each of the plurality of pixels includes: a first sub-pixel including a transistor connected to a gate line and a data line that intersect with each other and are insulated from each other and a first liquid crystal capacitor connected to the transistor. A second sub-pixel includes a first capacitor that is connected to the first liquid crystal capacitor and a second liquid crystal capacitor that is connected to the first capacitor; a resistor that is connected to the first capacitor; and a second capacitor that is connected to the resistor.Type: GrantFiled: December 7, 2015Date of Patent: January 22, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Kichul Shin, Minju Han
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Publication number: 20160238915Abstract: A display device includes a plurality of pixels, and each of the plurality of pixels includes: a first sub-pixel including a transistor connected to a gate line and a data line that intersect with each other and are insulated from each other and a first liquid crystal capacitor connected to the transistor. A second sub-pixel includes a first capacitor that is connected to the first liquid crystal capacitor and a second liquid crystal capacitor that is connected to the first capacitor; a resistor that is connected to the first capacitor; and a second capacitor that is connected to the resistor.Type: ApplicationFiled: December 7, 2015Publication date: August 18, 2016Inventors: Hoon KIM, Kichul SHIN, Minju HAN
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Patent number: 9122106Abstract: A display apparatus including pixels, each pixel including a first sub-pixel that includes a first transistor connected to a corresponding first gate line of the first gate lines and a corresponding data line of the data lines and a first pixel electrode connected to the first transistor, a second sub-pixel that includes a second transistor connected to a corresponding second gate line of the second gate lines and the corresponding data line of the data lines and a second pixel electrode connected to the second transistor, and a third sub-pixel that includes a third transistor connected to the corresponding second gate line and the corresponding data line, a fourth transistor connected to the corresponding second gate line and applied with a storage voltage, and a third pixel electrode connected to the third and fourth transistors.Type: GrantFiled: February 15, 2013Date of Patent: September 1, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hoon Jung, Su Jeong Kim, Danbi Yang, Minju Han, Jiphyo Hong, Hyosik Kim, Hoon Kim, Kichul Shin
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Patent number: 9046712Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.Type: GrantFiled: May 30, 2012Date of Patent: June 2, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Kaeun Kim, Su Jeong Kim, Kichul Shin, Hokil Oh, Jae-Hoon Jung, Minju Han
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Publication number: 20140104523Abstract: A display apparatus including pixels, each pixel including a first sub-pixel that includes a first transistor connected to a corresponding first gate line of the first gate lines and a corresponding data line of the data lines and a first pixel electrode connected to the first transistor, a second sub-pixel that includes a second transistor connected to a corresponding second gate line of the second gate lines and the corresponding data line of the data lines and a second pixel electrode connected to the second transistor, and a third sub-pixel that includes a third transistor connected to the corresponding second gate line and the corresponding data line, a fourth transistor connected to the corresponding second gate line and applied with a storage voltage, and a third pixel electrode connected to the third and fourth transistors.Type: ApplicationFiled: February 15, 2013Publication date: April 17, 2014Applicant: Samsung Display Co., Ltd.Inventors: Jae-Hoon JUNG, Su Jeong KIM, Danbi YANG, Minju HAN, Jiphyo HONG, Hyosik KIM, Hoon KIM, Kichul SHIN
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Publication number: 20130128168Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.Type: ApplicationFiled: May 30, 2012Publication date: May 23, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hoon KIM, Kaeun KIM, Su Jeong KIM, Kichul SHIN, Hokil OH, Jae-Hoon JUNG, Minju HAN