Patents by Inventor Bong-Sung Seo
Bong-Sung Seo 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).
-
Patent number: 12256604Abstract: A display device includes a substrate. The substrate includes a display area and a non-display area, and the display area includes an emission area and a non-emission area. A display element layer includes a light emitting element on the emission area of the substrate. A bank is on the display element layer and overlaps the non-display area and the non-emission area of the substrate in a plan view. A color conversion layer is on the display element layer, overlaps the emission area in the plan view, and is to convert a color of light emitted from the light emitting element. An organic insulating layer is on the color conversion layer and the bank. A maximum thickness of the bank is about 4 ?m to about 20 ?m. An average inclination angle of a first side surface of the bank adjacent to an edge of the substrate in the non-display area based on an upper surface of the substrate is less than or equal to about 45 degrees.Type: GrantFiled: August 4, 2021Date of Patent: March 18, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jong Ho Son, Young Gu Kim, Ji Yun Park, Duck Jong Suh, Bong Sung Seo, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak
-
Patent number: 12211965Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.Type: GrantFiled: June 13, 2023Date of Patent: January 28, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Gu Kim, Ji Yun Park, Bong Sung Seo, Jong Ho Son, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak, Jae Jin Lyu
-
Patent number: 12127428Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer on the first electrode; an organic light-emitting layer on the first electrode; a second electrode on the organic light-emitting layer and the bank layer; a high-refractive lens on the second electrode and having a refractive index higher than a refractive index of a material that overlaps the first electrode and contacts a side surface of the high-refractive lens; a display panel including an encapsulation member that is on the high-refractive lens; and an optical path adjustment film on the display panel. The optical path adjustment film includes a plurality of protruding patterns on the encapsulation member and a cover layer in spaces between adjacent protruding patterns from among the plurality of protruding patterns. A refractive index of each of the protruding patterns is smaller than a refractive index of the cover layer.Type: GrantFiled: August 16, 2021Date of Patent: October 22, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kyung Seon Tak, Young Gu Kim, Ji Yun Park, Bong Sung Seo, Jong Ho Son, Yeon Hee Lee, Baek Kyun Jeon
-
Patent number: 12048221Abstract: A display device may include a substrate including a display area and a non-display area; and a plurality of pixels disposed in the display area, the plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include at least one light emitting element in the emission area; a first pixel electrode and a second pixel electrode electrically connected to the at least one light emitting element; a bank including a first opening corresponding to the emission area; a color conversion layer disposed in the emission area to correspond to the at least one light emitting element; a barrier layer disposed on the bank and the color conversion layer; and a low refractive layer disposed on the barrier layer. The barrier layer may include silicon oxide (SiOx) having cured polysilazane.Type: GrantFiled: January 3, 2022Date of Patent: July 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Gu Kim, Chang Hee Lee, Yun Hee Park, Ji Yun Park, Bong Sung Seo, Baek Kyun Jeon, Kyung Seon Tak
-
Patent number: 12010891Abstract: A display device comprises pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, and a fifth sub-pixel, each sub-pixel including an emission area, wherein the first sub-pixel and the fourth sub-pixel emit light of a first color, the second sub-pixel and the fifth sub-pixel emit light of a second color, the third sub-pixel emits light of a third color, a first emission area of the first sub-pixel, a second emission area of the second sub-pixel, a fourth emission area of the fourth sub-pixel, and a fifth emission area of the fifth sub-pixel surround a third emission area of the third sub-pixel, and the third emission area of the third sub-pixel has four interior angles equal to or greater than about 180 degrees, and another four interior angles equal to or less than about 90 degrees.Type: GrantFiled: October 5, 2021Date of Patent: June 11, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Ho Son, Young Gu Kim, Ji Yun Park, Bong Sung Seo, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak
-
Publication number: 20230335694Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.Type: ApplicationFiled: June 13, 2023Publication date: October 19, 2023Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
-
Publication number: 20230301153Abstract: A color conversion panel includes: a substrate; a plurality of banks disposed on the substrate, where the banks partition a first light emitting region, a second light emitting region, and a third light emitting region; a first color conversion layer disposed in the first light emitting region, a second color conversion layer disposed in the second light emitting region, and a transmission layer disposed in the third light emitting region; and a first reflective layer disposed to overlap the first color conversion layer and the second color conversion layer, where the first reflective layer includes a first layer, a second layer, and a third layer, a refractive index of the second layer is greater than a refractive index of the third layer, and the refractive index of the third layer is greater than a refractive index of the first layer.Type: ApplicationFiled: December 19, 2022Publication date: September 21, 2023Inventors: Kyung Seon TAK, Gi Hoon YANG, Young Gu KIM, Yun-Hee PARK, Bong-Sung SEO, Seung Hee LEE
-
Publication number: 20230261152Abstract: A display device includes a first light emitting element disposed in a first emission area and forming a first pixel, a second light emitting element disposed in a second emission area and forming a second pixel, a bank layer including a first opening corresponding to the first emission area, a second opening corresponding to the second emission area, and a non-emission area partitioning the first emission area and the second emission area, a first color filter layer disposed on the first light emitting element and the bank layer and including first scatterers, a second color filter layer disposed on the second light emitting element and the bank layer and including second scatterers, and a polarization layer disposed on the first color filter layer and the second color filter layer.Type: ApplicationFiled: September 20, 2022Publication date: August 17, 2023Applicant: Samsung Display Co., LTD.Inventors: Kyung Seon TAK, Young Gu KIM, Bong Sung SEO
-
Publication number: 20230255083Abstract: A display device includes: a display portion including a plurality of pixels; and a color conversion portion overlapping the display portion. The color conversion portion includes: a first color conversion portion, a second color conversion portion, a transmissive portion, and a light blocking portion, the first color conversion portion includes: a first color conversion layer including first semiconductor nanocrystals and a first color filter overlapping the first color conversion layer, the second color conversion portion includes: a second color conversion layer including second semiconductor nanocrystals and a second color filter overlapping the second color conversion layer, and the transmissive portion includes: a transmissive layer. The color conversion portion further includes an insulation layer positioned between the first color conversion layer and the first color filter, and the insulation layer contacts both the first color conversion layer and the first color filter.Type: ApplicationFiled: February 8, 2023Publication date: August 10, 2023Inventors: Baek Kyun JEON, Young Gu KIM, Jiyun PARK, Bong-Sung SEO
-
Patent number: 11705544Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.Type: GrantFiled: May 13, 2021Date of Patent: July 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Gu Kim, Ji Yun Park, Bong Sung Seo, Jong Ho Son, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak, Jae Jin Lyu
-
Publication number: 20230200139Abstract: A display device includes a substrate including a display area, and a non-display area, and dams disposed in the non-display area. Each of the dams surrounds the display area, the dams include a first dam adjacent to the display area, second dams surrounding the first dam, and third dams surrounding the second dams. The second dams are spaced apart from each other, the third dams are spaced apart from each other, and opposing ends of at least one of the second dams and the third dams has a curvature.Type: ApplicationFiled: July 28, 2022Publication date: June 22, 2023Applicant: Samsung Display Co., LTD.Inventors: Suk Kung CHEI, Young Gu KIM, Yun Hee PARK, Ji Yun PARK, Kyung Seon TAK, Bong Sung SEO
-
Publication number: 20230155069Abstract: Provided herein may be a display device and a method of fabricating the same. The display device may include a substrate including pixels, color filters disposed on the substrate and overlapping the pixels, protrusion patterns disposed on a boundary between the pixels, with a step difference formed between the protrusion patterns and the color filters, and an overcoat layer formed with a uniform thickness on the color filters and the protrusion patterns.Type: ApplicationFiled: June 10, 2022Publication date: May 18, 2023Applicant: Samsung Display Co., LTD.Inventors: Dong Geun SHIN, Tae Min KIM, Bong Sung SEO, Gi Hoon YANG, Seul Gee LEE, Ho LIM, Suk Kung CHEI
-
Publication number: 20230009629Abstract: The display device comprises a light emitting element layer on a substrate and configured to emit light, a wavelength control layer on the light emitting element layer and configured to convert a wavelength of the light, a color filter layer on the wavelength control layer, and an anti-reflection layer on the color filter layer, wherein the anti-reflection layer includes a first inorganic layer on the color filter layer, a second inorganic layer on the first inorganic layer, and a coating layer on the second inorganic layer and including a dye.Type: ApplicationFiled: March 30, 2022Publication date: January 12, 2023Inventors: Seul Gee LEE, Tae Min KIM, Bong Sung SEO, Dong Geun SHIN, Gi Hoon YANG, Seung Hee LEE, Ho LIM
-
Publication number: 20220375996Abstract: A display device may include a substrate including a display area and a non-display area; and a plurality of pixels disposed in the display area, the plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include at least one light emitting element in the emission area; a first pixel electrode and a second pixel electrode electrically connected to the at least one light emitting element; a bank including a first opening corresponding to the emission area; a color conversion layer disposed in the emission area to correspond to the at least one light emitting element; a barrier layer disposed on the bank and the color conversion layer; and a low refractive layer disposed on the barrier layer. The barrier layer may include silicon oxide (SiOx) having cured polysilazane.Type: ApplicationFiled: January 3, 2022Publication date: November 24, 2022Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Chang Hee LEE, Yun Hee PARK, Ji Yun PARK, Bong Sung SEO, Baek Kyun JEON, Kyung Seon TAK
-
Publication number: 20220262870Abstract: A display device comprises pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, and a fifth sub-pixel, each sub-pixel including an emission area, wherein the first sub-pixel and the fourth sub-pixel emit light of a first color, the second sub-pixel and the fifth sub-pixel emit light of a second color, the third sub-pixel emits light of a third color, a first emission area of the first sub-pixel, a second emission area of the second sub-pixel, a fourth emission area of the fourth sub-pixel, and a fifth emission area of the fifth sub-pixel surround a third emission area of the third sub-pixel, and the third emission area of the third sub-pixel has four interior angles equal to or greater than about 180 degrees, and another four interior angles equal to or less than about 90 degrees.Type: ApplicationFiled: October 5, 2021Publication date: August 18, 2022Applicant: Samsung Display Co., LTD.Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
-
Patent number: 11391992Abstract: A liquid crystal display includes: a first substrate; a second substrate overlapping the first substrate and spaced apart therefrom; a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules; a first alignment layer between the first substrate and the liquid crystal layer; and a plurality of protrusions between the first alignment layer and the liquid crystal layer, wherein the first alignment layer includes a photoinitiator, wherein the plurality of protrusions include a polymerization product of the photoinitiator, a reactive mesogen, and a vertical alignment additive, and the vertical alignment additive may be less reactive than the photoinitiator.Type: GrantFiled: May 16, 2018Date of Patent: July 19, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Oh Jeong Kwon, Ka Eun Kim, Tae Min Kim, Duck Jong Suh, Bong-Sung Seo, Seul Gee Lee
-
Publication number: 20220165816Abstract: A display device includes a substrate. The substrate includes a display area and a non-display area, and the display area includes an emission area and a non-emission area. A display element layer includes a light emitting element on the emission area of the substrate. A bank is on the display element layer and overlaps the non-display area and the non-emission area of the substrate in a plan view. A color conversion layer is on the display element layer, overlaps the emission area in the plan view, and is to convert a color of light emitted from the light emitting element. An organic insulating layer is on the color conversion layer and the bank. A maximum thickness of the bank is about 4 ?m to about 20 ?m. An average inclination angle of a first side surface of the bank adjacent to an edge of the substrate in the non-display area based on an upper surface of the substrate is less than or equal to about 45 degrees.Type: ApplicationFiled: August 4, 2021Publication date: May 26, 2022Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Duck Jong SUH, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
-
Publication number: 20220140289Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer on the first electrode; an organic light-emitting layer on the first electrode; a second electrode on the organic light-emitting layer and the bank layer; a high-refractive lens on the second electrode and having a refractive index higher than a refractive index of a material that overlaps the first electrode and contacts a side surface of the high-refractive lens; a display panel including an encapsulation member that is on the high-refractive lens; and an optical path adjustment film on the display panel. The optical path adjustment film includes a plurality of protruding patterns on the encapsulation member and a cover layer in spaces between adjacent protruding patterns from among the plurality of protruding patterns. A refractive index of each of the protruding patterns is smaller than a refractive index of the cover layer.Type: ApplicationFiled: August 16, 2021Publication date: May 5, 2022Inventors: Kyung Seon TAK, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON
-
Publication number: 20220123183Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.Type: ApplicationFiled: May 13, 2021Publication date: April 21, 2022Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
-
Publication number: 20220077253Abstract: A display device includes a bank including an opening defining pixels, light emitting elements disposed in the pixels, a color conversion layer disposed on the light emitting elements in the opening, a capping layer overlapping the color conversion layer, and a color filter layer disposed on the capping layer. The color filter layer includes a low refractive material.Type: ApplicationFiled: March 25, 2021Publication date: March 10, 2022Applicant: Samsung Display Co., LTD.Inventors: Gi Hoon YANG, Tae Min KIM, Bong Sung SEO, Dong Geun SHIN, Ho LIM