Patents by Inventor Sun Kyu Joo
Sun Kyu Joo 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: 20250151533Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Applicant: Samsung Display Co., Ltd.Inventors: Sun-Kyu JOO, In Seok SONG, Keun Chan OH, Byung-Chul KIM, In Ok KIM, Gak Seok LEE, Chang-Soon JANG
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Patent number: 12289974Abstract: A display device includes a display panel including a first pixel area and a second pixel area. The first pixel area includes a first pixel, a second pixel, and a third pixel, and the second pixel area includes a fourth pixel, a fifth pixel, and a sixth pixel. The first pixel and the second pixel are arranged to be adjacent to each other in a first direction, and the third pixel is arranged to be adjacent to the first pixel and the second pixel in a second direction that intersects the first direction. The third pixel and the fourth pixel emitting a same color are arranged to be adjacent to each other in the second direction, the fifth pixel is spaced apart from the first pixel in the second direction, and the sixth pixel is spaced apart from the second pixel in the second direction.Type: GrantFiled: May 27, 2021Date of Patent: April 29, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sun-Kyu Joo, Keunchan Oh, Inok Kim, Jae Cheol Park, Jaemin Seong, Yousik Shin
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Publication number: 20250133929Abstract: Provided is a display device, including sub-pixels formed on a base layer, and including a color conversion layer in a first sub-pixel area and including a quantum-dot, a first scattering layer in a second sub-pixel area and including a first scatterer, and a second scattering layer in the third sub-pixel area and including a second scatterer, a first color filter in the first sub-pixel area, a second color filter in the second sub-pixel area, and a third color filter in the third sub-pixel area, wherein emitted light from a light emitting element includes light of the second color and light of the third color, and wherein colors of light passing through the first scattering layer and the second scattering layer are substantially unchanged by the first scattering layer and the second scattering layer.Type: ApplicationFiled: May 1, 2024Publication date: April 24, 2025Inventors: Sun Kyu JOO, Cheol SHIN, Keun Chan OH, Ji Hwan YOON, Seon Uk LEE, Se Ho LEE, Woo Man JI, You Young JIN, Jae Hoon HWANG, Tae Hyung HWANG
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Patent number: 12279486Abstract: A display device includes: a substrate; a thin film transistor disposed on the substrate; an insulation layer disposed on the thin film transistor and defining a contact hole; a pixel electrode disposed on the insulation layer and overlapping a portion of the contact hole in a plan view; and a light emitting layer disposed on the pixel electrode. The pixel electrode includes: a first portion overlapping the light emitting layer in the plan view; a second portion overlapping a portion of a lower surface of the contact hole in the plan view; and a third portion extending from the first portion to the second portion.Type: GrantFiled: August 10, 2021Date of Patent: April 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su Jeong Kim, Sun-Kyu Joo
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Patent number: 12268075Abstract: A color transformation substrate comprises: a base portion having first and second light-blocking areas and first to third light-transmitting areas, where the light-transmitting areas are successively positioned along a first direction; first to third color filters positioned in the first to third light-transmitting areas, respectively; a light-blocking member positioned in the first light-blocking area, and including part contacting the base portion; a color pattern positioned in the second light-blocking area so as to contact the base portion; a first wavelength conversion pattern positioned on the second color filter so as to wavelength-convert light having a first color into light having a second color; and a second wavelength conversion pattern positioned on the third color filter so as to wavelength-convert light having the first color into light having a third color different from light having the second color. The color pattern and the first color filter comprise the same color material.Type: GrantFiled: March 13, 2019Date of Patent: April 1, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Min Seong, Keun Chan Oh, Gak Seok Lee, Sun Kyu Joo, Byung Chul Kim, In Ok Kim, In Seok Song, Ji Eun Jang, Chang Soon Jang
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Patent number: 12250844Abstract: A display device is provided. The display device comprises: a first substrate including a plurality of pixels; a second substrate opposite to the first substrate; and an optical path change layer disposed between the first and second substrates and including a first pattern portion and a second pattern portion, wherein the first pattern portion has a first refractive index and includes a blue colorant, and the second pattern portion has a second refractive index smaller than the first refractive index.Type: GrantFiled: February 19, 2019Date of Patent: March 11, 2025Assignee: Samsung Display Co., Ltd.Inventors: Keun Chan Oh, Sun Kyu Joo
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Patent number: 12219821Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.Type: GrantFiled: June 21, 2023Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun-Kyu Joo, In Seok Song, Keun Chan Oh, Byung-Chul Kim, In Ok Kim, Gak Seok Lee, Chang-Soon Jang
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Patent number: 12193301Abstract: A display device includes: a first base layer; a circuit element layer on the first base layer; a pixel definition layer on the circuit element layer and comprising a plurality of light-emitting openings which are spaced apart from each other and define a plurality of light-emitting regions; a second base layer spaced apart from and facing the first base layer; a light-shielding layer on the second base layer and comprising a plurality of openings respectively overlapping the light-emitting regions, wherein on a plane of the first base layer, shapes of first to third openings along one direction among the openings are different from each other.Type: GrantFiled: June 23, 2021Date of Patent: January 7, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sun-Kyu Joo, Keunchan Oh, Byung-Chul Kim, Inok Kim, Gak Seok Lee, Jieun Jang, Inseok Song, Chang-Soon Jang
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Publication number: 20250008815Abstract: A display device according to an embodiment includes: a substrate including a display area and a non-display area; a transistor disposed on the substrate; a light emitting element electrically connected to the transistor; an encapsulation layer disposed on the light emitting element; a bank located on the encapsulation layer and defining an opening therein; a color conversion layer located in the opening; a filling layer located on the bank and the color conversion layer; and a transmission layer and a first spacer, which are located on the filling layer.Type: ApplicationFiled: February 27, 2024Publication date: January 2, 2025Inventors: Sun-Kyu JOO, Cheol SHIN, Ho-Yong SHIN, Keun Chan OH, Dokyung YOUN, Kwang-Min LEE, Che Ho LIM, Woo-Man JI, Kang Soo HAN, Tae Hyung HWANG
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Publication number: 20250008806Abstract: A display device includes a substrate including a display area and a sealing area surrounding the display area; a color filter layer below the substrate and defining at least one trench recessed from a lower surface of the color filter layer in a direction toward the substrate in the sealing area; a refractive layer below the color filter layer; and a capping layer below the refractive layer and in contact with at least a portion of the color filter layer in the sealing areaType: ApplicationFiled: February 9, 2024Publication date: January 2, 2025Inventors: YOUYOUNG JIN, KEUNCHAN OH, SUN-KYU JOO
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Patent number: 12114528Abstract: A display panel includes a base substrate including: a plurality of pixel regions and a peripheral region adjacent thereto; a pixel defining film disposed on the base substrate and having a plurality of openings, each of which corresponding to a respective one of the plurality of pixel regions; a plurality of light emitting elements disposed on the base substrate corresponding to the plurality of openings and configured to generate first color light; an encapsulation member disposed on the plurality of light emitting elements; a light shield pattern disposed on the encapsulation member and overlapping the peripheral region when viewed in a plan view; and a light control layer disposed on the encapsulation member and the light shield pattern and overlapping the plurality of pixel regions. The pixel defining film includes a first color material, and the light shield pattern includes a second color material different form the first color.Type: GrantFiled: September 13, 2022Date of Patent: October 8, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sun-Kyu Joo, Byung-Chul Kim, Inok Kim, Jaecheol Park, Jaemin Seong, Inseok Song, Keunchan Oh, Gak Seok Lee, Jieun Jang, Chang-Soon Jang
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Publication number: 20240334775Abstract: A display device includes a first emission area, a second emission area disposed adjacent to the first emission area, and a non-emission area, a base member disposed in the first emission area, the second emission area, and the non-emission area, a light emitting element part disposed and including a first light emitting element disposed in the first emission area and a second light emitting element disposed in the second emission area, a wavelength conversion part disposed on the light emitting element part and including a first wavelength conversion pattern, a first insulating layer covering the first wavelength conversion pattern, opened at a portion disposed adjacent to the first emission area, exposing a portion of the first wavelength conversion pattern, and a light blocking member disposed in the non-emission area and covering the portion of the first wavelength conversion pattern. The wavelength conversion part is disposed in the second emission area.Type: ApplicationFiled: November 6, 2023Publication date: October 3, 2024Applicant: Samsung Display Co., LTD.Inventors: You Young JIN, Keun Chan OH, Jae Cheol PARK, Gak Seok LEE, Sun Kyu JOO
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Publication number: 20240276826Abstract: A display device includes: a pixel electrode layer disposed on a substrate, a light emitting layer disposed on the pixel electrode layer, a bank layer disposed on the light emitting layer and defining first, second, and third openings, a first color conversion layer disposed in the first opening and including first quantum dots, and a scattering layer disposed in a layer between the pixel electrode and the bank layer, such that the scattering layer and at least a part of the first color conversion layer cover mutually exclusive parts of the substrate, the scattering layer including a base resin and a plurality of scattering particles dispersed in the base resin.Type: ApplicationFiled: December 13, 2023Publication date: August 15, 2024Inventors: SANGJI PARK, CHEOL SHIN, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, SUN-KYU JOO, WOO-MAN JI, WONSUK HAN, TAE HYUNG HWANG
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Publication number: 20240244935Abstract: A display device includes a display panel, a first light conversion layer, a second light conversion layer, and a light transmission layer, which are disposed on the display panel and spaced apart from each other, a plurality of bank layers, each of which is disposed on the display panel and which are disposed between the first light conversion layer and the second light conversion layer and between the light transmission layer and each of the first and second light conversion layers, a spacer, which is disposed below a bank layer of the bank layers and faces the display panel, and a plurality of lenses which are disposed below the first light conversion layer, the second light conversion layer, and the light transmission layer, and face the display panel. The spacer and the plurality of lenses may be disposed in a same layer.Type: ApplicationFiled: November 1, 2023Publication date: July 18, 2024Inventors: DOKYUNG YOUN, SANGJI PARK, CHEOL SHIN, KEUNCHAN OH, SONGEE LEE, SUN-KYU JOO, WOO-MAN JI, YOUYOUNG JIN, TAE HYUNG HWANG
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Publication number: 20240244892Abstract: A display device includes multiple light emitting devices disposed on a substrate, each including a first electrode, an emission layer, and a second electrode, a pixel defining layer including multiple openings overlapping the first electrode in a plan view, an encapsulation layer covering the light emitting devices and including multiple first openings overlapping the pixel defining layer in a plan view, a bank disposed on the encapsulation layer, overlapping the first openings in a plan view, and including multiple second openings overlapping the light emitting devices in a plan view, a first color conversion layer, a second color conversion layer, and a transmission layer, each disposed inside the second openings, and a spacer disposed on the bank and including a colored material.Type: ApplicationFiled: November 17, 2023Publication date: July 18, 2024Applicant: Samsung Display Co., LTD.Inventors: Song Ee LEE, Sang Ji PARK, Cheol SHIN, Keun Chan OH, DOKYUNG YOUN, Sun-Kyu JOO, Woo-Man JI, You Young JIN, Tae Hyung HWANG
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Publication number: 20240237469Abstract: A display device includes: a blue color filter layer in a blue transmission region of an upper substrate, and including first scattering particles; a green color filter layer in a green transmission region of the upper substrate, and including second scattering particles; a red color filter layer in a red transmission region of the upper substrate; a partition wall on the upper substrate and defining a blue transmission opening, a green transmission opening, and a red transmission opening, which overlap the blue transmission region, the green transmission region, and the red transmission region, respectively; a color conversion layer including red color conversion particles and third scattering particles, and accommodated in the red transmission opening; a light emitting element layer on a lower substrate facing the upper substrate; and a filling material between the upper substrate and the lower substrate.Type: ApplicationFiled: August 16, 2023Publication date: July 11, 2024Inventors: SUN-KYU JOO, DAEHYEON KIM, Hong Il Kim, SANGJI PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, CHANG-MIN LEE, HYUNSHIK LEE, WOO-MAN JI, TAE HYUNG HWANG
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Patent number: 12022687Abstract: A display panel includes a first display substrate including first to third pixel areas and a light blocking area that is adjacent to the first to third pixel areas and a second display substrate including first to third display elements respectively overlapping the first to third pixel areas. The first display substrate includes a base substrate, a first color filter overlapping the first pixel area and having a first color, a second color filter overlapping the second pixel area and having a second color different from the first color, a third color filter disposed on the base substrate, having a third color different from the first and second colors, and including a filter portion overlapping the third pixel area and a light blocking portion overlapping the light blocking area, and a light blocking member disposed on the light blocking portion and containing a black organic pigment.Type: GrantFiled: September 24, 2021Date of Patent: June 25, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sun-kyu Joo, Keunchan Oh, Byungchul Kim, Inok Kim, Gakseok Lee, Jaemin Seong, Inseok Song, Jieun Jang
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Patent number: 12016233Abstract: A display device may include a substrate, a first color conversion layer on the substrate, a low refractive layer on the first color conversion layer and including low refractive structures, a planarization layer on the low refractive layer, and a first color filter on the planarization layer. The planarization layer may also be between the low refractive structures.Type: GrantFiled: June 23, 2021Date of Patent: June 18, 2024Assignee: Samsung Display Co., Ltd.Inventors: Inok Kim, Youyoung Jin, Yousik Shin, Keunchan Oh, Gak Seok Lee, Sungjoon Cho, Sun-Kyu Joo
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Patent number: 12007647Abstract: A display device includes: a display panel; and a color conversion panel overlapping with the display panel. The color conversion panel includes: a substrate; a first color conversion pattern on the substrate; a second color conversion pattern on the substrate, and partially overlapping with the first color conversion pattern; a first reflective partition wall between the first color conversion pattern and the second color conversion pattern; a first color filter between the substrate and the first color conversion pattern; and a second color filter between the substrate and the second color conversion pattern.Type: GrantFiled: March 25, 2020Date of Patent: June 11, 2024Assignee: Samsung Display Co., Ltd.Inventors: Chang-Soon Jang, Byung-Chul Kim, In-Ok Kim, Jae-Min Seong, In-Seok Song, Gak-Seok Lee, Ji-Eun Jang, Sun-Kyu Joo, Ha-Lim Ji
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Publication number: 20240142678Abstract: A display device includes a display unit including a lower substrate and first, second, and third light emitting elements disposed on the lower substrate, a color filter unit including an upper substrate having a lower surface facing the first, second, and third light emitting elements, a filler disposed between the display unit and the color filter unit and including a wavelength conversion particle. The color filter unit further includes a color filter layer including first, second, and third color filters disposed on the lower surface of the upper substrate, a bank layer disposed below the color filter layer and including first, second, and third openings, a first column spacer filling the first opening, and a second column spacer filling the second opening.Type: ApplicationFiled: July 25, 2023Publication date: May 2, 2024Applicant: Samsung Display Co., LTD.Inventors: SUN-KYU JOO, SANGJI PARK, JAE CHEOL PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, WOO-MAN JI, TAE HYUNG HWANG