Patents by Inventor Jae-Heung Ha
Jae-Heung Ha 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).
-
Publication number: 20250160174Abstract: A display device that includes a light emitting element layer disposed on a substrate and including a plurality of light emitting elements and an encapsulation layer including an organic-inorganic hybrid layer disposed on the light emitting element layer, a first inorganic encapsulation layer disposed on the organic-inorganic hybrid layer, a second inorganic encapsulation layer disposed on the first inorganic encapsulation layer, and a third inorganic encapsulation layer disposed on the second inorganic encapsulation layer. The organic-inorganic hybrid layer contains silicon, carbon and nitrogen. The first inorganic encapsulation layer, the second inorganic encapsulation layer and the third inorganic encapsulation layer each contains silicon and nitrogen.Type: ApplicationFiled: June 13, 2024Publication date: May 15, 2025Inventors: Hyun Sup YOON, Jong Woo KIM, So Young OH, Woo Suk JUNG, Jae Heung HA
-
Publication number: 20250133935Abstract: A display device that includes a light emitting element layer disposed on a substrate, the light emitting element layer including a plurality of light emitting elements; and an encapsulation layer comprising a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer sequentially stacked on the organic encapsulation layer, the second inorganic encapsulation layer including a first inorganic layer; a second inorganic layer; and a third inorganic layer disposed on the organic encapsulation layer, a thickness of the second inorganic layer is greater than a thickness of the third inorganic layer, the thickness of the third inorganic layer is greater than a thickness of the first inorganic layer, and a refractive index of the second inorganic layer is about 1.9 or more.Type: ApplicationFiled: May 29, 2024Publication date: April 24, 2025Applicant: Samsung Display Co., LTD.Inventors: Jong Woo KIM, So Young OH, Hyun Sup YOON, Woo Suk JUNG, Jae Heung HA
-
Publication number: 20250120291Abstract: Disclosed is a display device having enhanced touch sensitivity by providing an organic encapsulation layer with a low dielectric constant. The display device includes a substrate, a transistor located on the substrate, a light emitting diode electrically connected to the transistor, a first inorganic encapsulation layer located on the light emitting diode, the organic encapsulation layer located on the first inorganic encapsulation layer, and a second inorganic encapsulation layer located on the organic encapsulation layer, in which the organic encapsulation layer includes a plurality of composites, and each of the plurality of composites comprising a plurality of nucleotides and a hollow polymer.Type: ApplicationFiled: October 2, 2024Publication date: April 10, 2025Inventors: YONGCHAN JU, YEONGUK KIM, HEEYEON PARK, CHANGYEONG SONG, HYEIN JUNG, JAE HEUNG HA
-
Publication number: 20250089528Abstract: A display device includes a substrate, a light emitting element layer on the substrate and including light emitting elements in a display area, and an encapsulation layer including a first inorganic encapsulation layer on the light emitting element layer, an organic encapsulation layer on the first inorganic encapsulation layer, and a second inorganic encapsulation layer on the organic encapsulation layer, where the first inorganic encapsulation layer or the second inorganic encapsulation layer includes a first inorganic layer, a second inorganic layer on the first inorganic layer and a third inorganic layer on the second inorganic layer, a thickness of each of the first and third inorganic layers is less than a thickness of the second inorganic layer and is about 50 ? or less, and a ratio of the thickness of the first inorganic layer to the thickness of the second inorganic layer is about 0.03 or less.Type: ApplicationFiled: April 16, 2024Publication date: March 13, 2025Inventors: Jae Heung HA, Jong Woo KIM, Woo Suk JUNG
-
Publication number: 20250081744Abstract: A display device includes a first substrate, a transistor on the first substrate, a pixel electrode disposed on the transistor and connected to the transistor, a pixel defining layer on the pixel electrode, a spacer on the pixel defining layer, and a second substrate on the spacer. The spacer includes a first spacer disposed at a center of the first substrate and a second spacer disposed at an edge of the first substrate in a plan view, and the second spacer has a width that gradually increases in a direction from the first substrate toward the second substrate.Type: ApplicationFiled: May 8, 2024Publication date: March 6, 2025Applicant: Samsung Display Co., LTD.Inventors: Jae Heung HA, Chang Yeong SONG, Jong Woo KIM
-
Publication number: 20250057013Abstract: A display device includes a substrate including a display area and a first non-display area around the display area; a light emitting element on the display area of the substrate in the display area; a lower inorganic encapsulation film on the substrate in the display area and the first non-display area; an organic encapsulation film on the lower inorganic encapsulation film; an upper inorganic encapsulation film on the organic encapsulation film; and a first dam between the lower inorganic encapsulation film and the upper inorganic encapsulation film in the first non-display area, wherein a first side surface of the first dam is in contact with the organic encapsulation film, and a second side surface of the first dam different from the first side surface of the first dam is in contact with the upper inorganic encapsulation film.Type: ApplicationFiled: May 13, 2024Publication date: February 13, 2025Inventors: Yeon Guk KIM, Hee Yeon PARK, Chang Yeong SONG, Hye In JUNG, Yong Chan JU, Jae Heung HA
-
Publication number: 20240215301Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.Type: ApplicationFiled: March 8, 2024Publication date: June 27, 2024Applicant: Samsung Display Co., LTD.Inventors: Chang Yeong SONG, Won Jong KIM, Yi Su KIM, Jong Woo KIM, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA
-
Publication number: 20240188398Abstract: A display device comprises a substrate, an organic light emitting element layer comprising a first electrode, a second electrode, and an organic light emitting layer disposed between the first and second electrodes and emitting light in a light emitting area, an encapsulation layer covering the organic light emitting element layer, a color filter layer disposed in the light emitting area and including a plurality of color filters having different colors and a light control pattern layer disposed between the encapsulation layer and the color filter layer and including a light control pattern disposed on a light path of the organic light emitting layer.Type: ApplicationFiled: August 4, 2023Publication date: June 6, 2024Applicant: Samsung Display Co., LTD.Inventors: Woo Young KIM, Su Jeong KIM, Jae Heung HA
-
Patent number: 11963386Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.Type: GrantFiled: September 2, 2022Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Yeong Song, Won Jong Kim, Yi Su Kim, Jong Woo Kim, Hye In Yang, Woo Suk Jung, Yong Chan Ju, Jae Heung Ha
-
Publication number: 20240122037Abstract: A display device includes a substrate that includes a display area and a non-display area, a display element layer disposed on the display area of the substrate, an opposing substrate that faces the substrate and the display element layer, a sealing member disposed on the non-display area and that couples the substrate and the opposing substrate, and a filler disposed between the substrate and the opposing substrate. A thickness of the filler varies in the range of 60% to 400% of a thickness of the sealing member.Type: ApplicationFiled: June 21, 2023Publication date: April 11, 2024Inventors: Jae Heung HA, Jong Woo KIM, So Young OH, Woo Suk JUNG, Hee Yeon PARK, Chang Yeong SONG, Jong Kwang YUN
-
Patent number: 11825702Abstract: An embodiment of the invention provides a display device including a display panel including corner portions having cut patterns defined by cut portions. The display panel includes a substrate, a light-emitting element including a pixel electrode, an emissive layer and a common electrode and disposed on the substrate in the cut pattern, a first inorganic encapsulation layer disposed on the common electrode in the cut pattern; an organic encapsulation layer disposed on the first inorganic encapsulation layer in the cut pattern; and an organic pattern disposed on the substrate in the cut portions.Type: GrantFiled: April 15, 2021Date of Patent: November 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Yeong Song, Jong Woo Kim, Yong Chan Ju, Jae Heung Ha, Won Jong Kim, Hee Yeon Park, Hye In Yang, Woo Suk Jung
-
Publication number: 20230200112Abstract: A display device includes a first substrate including a first surface; a second substrate disposed to face and be spaced apart from the first surface of the first substrate; a display element layer disposed on the first surface of the first substrate to be spaced apart from the second substrate; a filling member interposed in a space between the first substrate and the second substrate; and a frit member which connects edge portions of the first substrate and the second substrate to each other, in which the second substrate includes a second surface facing the first surface of the first substrate, a surface modification area is defined on the second surface of the second substrate, and the surface modification area has hydrophobicity higher than hydrophobicity of the filling member.Type: ApplicationFiled: July 22, 2022Publication date: June 22, 2023Inventors: Jong Woo KIM, So Young OH, Jong Kwang YUN, Woo Suk JUNG, Jae Heung HA
-
Publication number: 20230108432Abstract: A display device includes a first substrate, a second substrate disposed on the first substrate, a display disposed on the first substrate, a sealant disposed between the first substrate and the second substrate along an outer portion of the second substrate and attaching the first substrate to the second substrate together, and a filler disposed in a space defined by the first substrate, the second substrate and the sealant. The filler is spaced apart from an inner surface of the sealant with an empty space disposed therebetween. An edge of the filler is inclined with respect to a first surface of the second substrate.Type: ApplicationFiled: May 23, 2022Publication date: April 6, 2023Inventors: SO YOUNG OH, Jae Heung Ha, Won jong Kim, Jong woo Kim, Hee Yeon Park, Chang Yeong Song, Hye IN Yang, Woo suk Jung, Yong chan Ju
-
Publication number: 20220416207Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.Type: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Applicant: Samsung Display Co., LTD.Inventors: Chang Yeong SONG, Won Jong KIM, Yi Su KIM, Jong Woo KIM, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA
-
Patent number: 11456438Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.Type: GrantFiled: August 12, 2020Date of Patent: September 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Yeong Song, Won Jong Kim, Yi Su Kim, Jong Woo Kim, Hye In Yang, Woo Suk Jung, Yong Chan Ju, Jae Heung Ha
-
Patent number: 11362309Abstract: A display device comprises a first substrate comprising at least one light-emitting element; a second substrate facing the first substrate, wherein light emitted from the light-emitting element is to be incident on the second substrate; and a filling layer between the first substrate and the second substrate, wherein the filling layer comprises a filling pattern comprising a first pattern part on the first substrate and having a curve portion formed in at least a part thereof.Type: GrantFiled: January 27, 2020Date of Patent: June 14, 2022Assignee: Samsung Display Co., Ltd.Inventors: Yun Ah Chung, Yo Han Kim, Jong Woo Kim, Jong Jin Park, Byoung Duk Lee, Yoon Hyeung Cho, Young Cheol Joo, Jae Heung Ha
-
Publication number: 20220052137Abstract: An embodiment of the invention provides a display device including a display panel including corner portions having cut patterns defined by cut portions. The display panel includes a substrate, a light-emitting element including a pixel electrode, an emissive layer and a common electrode and disposed on the substrate in the cut pattern, a first inorganic encapsulation layer disposed on the common electrode in the cut pattern; an organic encapsulation layer disposed on the first inorganic encapsulation layer in the cut pattern; and an organic pattern disposed on the substrate in the cut portions.Type: ApplicationFiled: April 15, 2021Publication date: February 17, 2022Inventors: Chang Yeong SONG, Jong Woo KIM, Yong Chan JU, Jae Heung HA, Won Jong KIM, Hee Yeon PARK, Hye In YANG, Woo Suk JUNG
-
Patent number: 11165044Abstract: A display device may include a substrate and a light emitting element disposed on the substrate. An encapsulation layer covers the light emitting element. The encapsulation layer includes at least two inorganic encapsulation layers and at least one organic encapsulation layer. The at least one organic encapsulation layer includes a first organic material having a permittivity less than or equal to about 3.0. A low permittivity layer is disposed on the encapsulation layer. The low permittivity layer includes a second organic material and first hollow particles dispersed in the second organic material. An input sensing layer is disposed on the low permittivity layer.Type: GrantFiled: July 21, 2020Date of Patent: November 2, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Su Kim, Young Gu Kim, Chang Yeong Song, Hye In Yang, Woo Suk Jung, Yong Chan Ju, Jae Heung Ha
-
Publication number: 20210175471Abstract: A display device may include a substrate and a light emitting element disposed on the substrate. An encapsulation layer covers the light emitting element. The encapsulation layer includes at least two inorganic encapsulation layers and at least one organic encapsulation layer. The at least one organic encapsulation layer includes a first organic material having a permittivity less than or equal to about 3.0. A low permittivity layer is disposed on the encapsulation layer. The low permittivity layer includes a second organic material and first hollow particles dispersed in the second organic material. An input sensing layer is disposed on the low permittivity layer.Type: ApplicationFiled: July 21, 2020Publication date: June 10, 2021Inventors: Yi Su KIM, Young Gu KIM, Chang Yeong SONG, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA
-
Publication number: 20210143369Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.Type: ApplicationFiled: August 12, 2020Publication date: May 13, 2021Applicant: Samsung Display Co., LTD.Inventors: Chang Yeong SONG, Won Jong KIM, Yi Su KIM, Jong Woo KIM, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA