Patents by Inventor Kwang-soo Bae
Kwang-soo Bae 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: 11522113Abstract: A display device includes a substrate and a display element layer disposed on the substrate and emitting light. The display element layer includes a first electrode electrically connected to a portion of a first light emitting element, a second electrode electrically connected to another portion of the first light emitting element, and at least one insulating structure disposed on the substrate and having a convex shape protruding from the substrate. The first light emitting element is disposed in a space of the at least one insulating structure. A method of manufacturing the display device is also disclosed.Type: GrantFiled: August 14, 2020Date of Patent: December 6, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang Soo Bae, Dong Uk Kim, Beom Soo Park, Min Jeong Oh, Young Je Cho
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Publication number: 20220149333Abstract: A display device includes a substrate, a sub-pixel structure, a light blocking member, and a reflective member. A display area including a sub-pixel area is defined on the substrate. The sub-pixel structure is disposed in the sub-pixel area on the substrate. The light blocking member is disposed over the sub-pixel structure, and a first opening is defined in a portion of the light blocking member which overlaps the sub-pixel structure. The reflective member is disposed between the light blocking member and the sub-pixel structure, and the reflective member surrounds the sub-pixel structure and the first opening.Type: ApplicationFiled: November 10, 2021Publication date: May 12, 2022Inventors: KWANG SOO BAE, BEOMSOO PARK, MINJEONG OH, YOUNGJE CHO
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Patent number: 11244986Abstract: A display device includes a plurality of light emitting elements which emits a blue light; a light control layer disposed on the light emitting elements and including: a first light control part which absorb the blue light and emits a red light; a second light control part which absorbs the blue light and emits a green light; and a third light control part which transmits the blue light; and a light selective filter disposed on the light control layer. The light selective filter includes a liquid crystal filter and a color filter. The liquid crystal filter transmits red light and green light and blocks blue light. The color filter is absorbs the red light and the green light and transmits the blue light.Type: GrantFiled: March 4, 2020Date of Patent: February 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang Soo Bae, Beomsoo Park, Minjeong Oh, Eunhee Han
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Publication number: 20220013586Abstract: A display device includes a display panel including a peripheral region adjacent to a light-emitting region, and a reflection preventing facing the display panel. The reflection preventing layer includes a light-blocking pattern corresponding to the peripheral region and defining an opening corresponding to the light-emitting region, a color filter in the opening of the light-blocking pattern, and a protruding pattern corresponding to the light-blocking pattern.Type: ApplicationFiled: April 8, 2021Publication date: January 13, 2022Inventors: KWANG SOO BAE, MINJEONG OH, BEOMSOO PARK
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Publication number: 20220005874Abstract: A display device includes a display panel including light emitting elements and an anti-reflective layer. The anti-reflective layer is disposed on the display panel and includes a first layer comprising a pattern having a first refractive index, a second layer having a second refractive index greater than the first refractive index of the first layer, and a color filter layer overlapping the first layer and the second layer. The pattern of the first layer comprises a surface inclined with respect to an upper surface of the display panel, and the second layer is disposed on the surface of the pattern of the first layer.Type: ApplicationFiled: March 9, 2021Publication date: January 6, 2022Applicant: Samsung Display Co., LTD.Inventors: MINJEONG OH, KWANG SOO BAE, YOUNGJE CHO, CHAUNGI CHOI
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Patent number: 11169320Abstract: A light source member including a substrate, and a plurality of unit light source cells disposed on the substrate and arranged in a matrix, each of the unit light source cells including a light source driving electrode disposed on the substrate, a light source disposed on the substrate and electrically connected to the light source driving electrode, an organic layer disposed on the substrate and exposing the light source and at least a part of the light source driving electrode, the organic layer having an upper surface including a concavo-convex pattern, and a heat dissipation layer disposed on the organic layer and contacting the light source driving electrode.Type: GrantFiled: January 6, 2020Date of Patent: November 9, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min Jeong Oh, Kwang Soo Bae, Beom Soo Park, Young Je Cho
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Publication number: 20210327862Abstract: A display device and a manufacturing method thereof are provided. The display device includes a display substrate, sub-pixels on the display substrate, each of the sub-pixels including a first electrode and a second electrode on the display substrate and spaced apart from each other, light emitting elements between the first electrode and the second electrode, an insulating layer covering the light emitting elements, a protective pattern on the insulating layer and overlapping one of the light emitting elements, and a bank on the insulating layer at a boundary of one of the sub-pixels.Type: ApplicationFiled: April 6, 2021Publication date: October 21, 2021Inventors: Kwang Soo BAE, Beom Soo PARK, Min Jeong OH, Hae Ju YUN
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Publication number: 20210313400Abstract: A display panel includes an emission element which outputs a source light and includes a first electrode, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer; a pixel definition layer defining an opening exposing at least a portion of the first electrode; a light-conversion pattern disposed on the pixel definition layer; a first light-blocking pattern disposed on an outer side of the light-conversion pattern in a plan view; and a second light-conversion pattern disposed on the emission element and which overlaps with the emission element in the plan view, wherein the first and second light-conversion patterns are spaced apart from each other or forming an interface therebetween.Type: ApplicationFiled: January 5, 2021Publication date: October 7, 2021Inventors: Kwang Soo Bae, Eun-Ae Kwak, Beomsoo Park, Minjeong Oh
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Patent number: 11036104Abstract: A liquid crystal display (LCD) including a first pixel electrode including a first stem portion extending in a first direction, a second stem portion connected to a side of the first stem portion and extending in a second direction different from the first direction, and a third stem portion connected to the other side of the first stem portion and extending in the second direction; a first data line extending in the second direction and overlapping the second stem portion of the first pixel electrode; and a second data line extending in the second direction and overlapping the third stem portion of the first pixel electrode. The second stem portion includes a first sub-stem portion and a second sub-stem portion having different widths, and the third stem portion includes a third sub-stem portion and a fourth sub-stem portion having different widths.Type: GrantFiled: October 29, 2018Date of Patent: June 15, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Jung Suk Bang, Min Jeong Oh, Bo Ram Lee, Young Je Cho
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Patent number: 10989959Abstract: A backlight unit includes a first substrate, a plurality of LED chips on one surface of the first substrate and configured to emit light of a first color, a second substrate located opposite to the one surface of the first substrate, and a plurality of light modulation patterns on one surface of the second substrate facing the one surface of the first substrate so as to overlap the plurality of LED chips, respectively. Each of the plurality of light modulation patterns includes a first wavelength conversion pattern that converts the light of the first color into light of a second color. The first wavelength conversion pattern includes a first wavelength conversion layer on the one surface of the second substrate, a first organic encapsulation layer on the first wavelength conversion layer, and a barrier structure covering the first wavelength conversion layer and the first organic encapsulation layer.Type: GrantFiled: March 11, 2020Date of Patent: April 27, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Beom Soo Park, Min Jeong Oh, Young Je Cho
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Publication number: 20210104651Abstract: A display device includes a substrate and a display element layer disposed on the substrate and emitting light. The display element layer includes a first electrode electrically connected to a portion of a first light emitting element, a second electrode electrically connected to another portion of the first light emitting element, and at least one insulating structure disposed on the substrate and having a convex shape protruding from the substrate. The first light emitting element is disposed in a space of the at least one insulating structure. A method of manufacturing the display device is also disclosed.Type: ApplicationFiled: August 14, 2020Publication date: April 8, 2021Applicant: Samsung Display Co., LTD.Inventors: Kwang Soo Bae, Dong Uk Kim, Beom Soo Park, Min Jeong Oh, Young Je Cho
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Publication number: 20210091272Abstract: A display device may include: a substrate; first and second electrode on the substrate; light emitting element between the first and second electrodes; a barrier structure on the substrate and including a first surface, a second surface, and a third surface; a light conversion layer on the barrier structure; and a passivation layer on the light conversion layer. A first space defined by the second and third surfaces may be between the substrate and the barrier structure. A second space defined by the first and second surfaces may be between the barrier structure and the passivation layer. The first and second spaces may be alternately located in the first direction. The light emitting element may be in the first space. The light conversion layer may be in the at least one second space.Type: ApplicationFiled: April 23, 2020Publication date: March 25, 2021Inventors: Kwang Soo BAE, Beom Soo PARK, Min Jeong OH, Young Je CHO
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Publication number: 20210066399Abstract: A display panel including a light emitting element to emit a source light and including a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and outputting a source light, a pixel definition layer including an opening exposing at least a portion of the first electrode, an optical conversion pattern disposed on the pixel definition layer, a reflection pattern disposed on the light emitting element and including an inclined surface, and a first light blocking pattern disposed outside from the optical conversion pattern when viewed in a plan view.Type: ApplicationFiled: July 28, 2020Publication date: March 4, 2021Inventors: KWANG SOO BAE, Beomsoo Park, Eun-Ae Kwak, Minjeong OH, Young Je Cho
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Publication number: 20200400874Abstract: A light source member including a substrate, and a plurality of unit light source cells disposed on the substrate and arranged in a matrix, each of the unit light source cells including a light source driving electrode disposed on the substrate, a light source disposed on the substrate and electrically connected to the light source driving electrode, an organic layer disposed on the substrate and exposing the light source and at least a part of the light source driving electrode, the organic layer having an upper surface including a concavo-convex pattern, and a heat dissipation layer disposed on the organic layer and contacting the light source driving electrode.Type: ApplicationFiled: January 6, 2020Publication date: December 24, 2020Inventors: Min Jeong OH, Kwang Soo Bae, Beom Soo Park, Young Je Cho
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Publication number: 20200395416Abstract: A display device includes a plurality of light emitting elements which emits a blue light; a light control layer disposed on the light emitting elements and including: a first light control part which absorb the blue light and emits a red light; a second light control part which absorbs the blue light and emits a green light; and a third light control part which transmits the blue light; and a light selective filter disposed on the light control layer. The light selective filter includes a liquid crystal filter and a color filter. The liquid crystal filter transmits red light and green light and blocks blue light. The color filter is absorbs the red light and the green light and transmits the blue light.Type: ApplicationFiled: March 4, 2020Publication date: December 17, 2020Inventors: Kwang Soo BAE, Beomsoo PARK, Minjeong OH, Eunhee HAN
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Publication number: 20200387029Abstract: A backlight unit includes a first substrate, a plurality of LED chips on one surface of the first substrate and configured to emit light of a first color, a second substrate located opposite to the one surface of the first substrate, and a plurality of light modulation patterns on one surface of the second substrate facing the one surface of the first substrate so as to overlap the plurality of LED chips, respectively. Each of the plurality of light modulation patterns includes a first wavelength conversion pattern that converts the light of the first color into light of a second color. The first wavelength conversion pattern includes a first wavelength conversion layer on the one surface of the second substrate, a first organic encapsulation layer on the first wavelength conversion layer, and a barrier structure covering the first wavelength conversion layer and the first organic encapsulation layer.Type: ApplicationFiled: March 11, 2020Publication date: December 10, 2020Inventors: Kwang Soo BAE, Beom Soo PARK, Min Jeong OH, Young Je CHO
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Patent number: 10802323Abstract: A display device may include the following elements: a first substrate; a pixel electrode overlapping the first substrate; a second substrate overlapping the first substrate; a plurality of optical members disposed on the second substrate, having identical structures, and protruding toward the first substrate; an overcoat layer directly contacting the optical members, covering the optical members, and positioned between the first substrate and the optical members; and a liquid crystal layer disposed between the pixel electrode and the overcoat layer. The pixel electrode may define one domain of the liquid crystal layer.Type: GrantFiled: September 19, 2018Date of Patent: October 13, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jung Suk Bang, Kwang Soo Bae, Min Jeong Oh, Bo Ram Lee, Young Je Cho
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Patent number: 10649286Abstract: A liquid crystal display (LCD) device comprising: a substrate on which an active area that transmits light therethrough is defined; and a pixel electrode disposed on the substrate, wherein the pixel electrode includes a first stem electrode, which extends along a first direction, a second stem electrode, which extends along a second direction that is perpendicular to the first direction and intersects the first stem electrode to be divided into two halves by the first stem electrode, a third stem electrode, which extends along the second direction and is connected to the first stem electrode to be divided into two halves by an end of the first stem electrode, and a plurality of branch electrodes, which extend from the first through third stem electrodes.Type: GrantFiled: September 21, 2018Date of Patent: May 12, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Jung Suk Bang, Min Jeong Oh, Bo Ram Lee, Young Je Cho
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Publication number: 20190324335Abstract: A liquid crystal display (LCD) including a first pixel electrode including a first stem portion extending in a first direction, a second stem portion connected to a side of the first stem portion and extending in a second direction different from the first direction, and a third stem portion connected to the other side of the first stem portion and extending in the second direction; a first data line extending in the second direction and overlapping the second stem portion of the first pixel electrode; and a second data line extending in the second direction and overlapping the third stem portion of the first pixel electrode. The second stem portion includes a first sub-stem portion and a second sub-stem portion having different widths, and the third stem portion includes a third sub-stem portion and a fourth sub-stem portion having different widths.Type: ApplicationFiled: October 29, 2018Publication date: October 24, 2019Inventors: Kwang Soo BAE, Jung Suk BANG, Min Jeong OH, Bo Ram LEE, Young Je CHO
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Patent number: 10451941Abstract: A liquid crystal display and a method of making it are provided. The liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer disposed to be spaced from the pixel electrode; a liquid crystal layer between the pixel electrode and the roof layer; and a plurality of columns arranged along a gate line connected to the thin film transistor and supporting the roof layer, wherein the plurality of columns are formed of the same material as the roof layer.Type: GrantFiled: August 5, 2015Date of Patent: October 22, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Yong Seok Kim, Dae Ho Song, Hae Ju Yun