Patents by Inventor Jung Suk Bang
Jung Suk Bang 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: 11531236Abstract: A liquid crystal display including a first substrate on which a plurality of first pixels are defined, a first pixel electrode arranged for each of the first pixels on the first substrate, a second substrate arranged opposite the first substrate, a third substrate arranged on the second substrate and on which a plurality of second pixels are defined, a second pixel electrode arranged for each of the second pixels on the third substrate, and a fourth substrate arranged opposite the third substrate. Each of the first pixels has a first domain and each of the second pixels has a second domain, and a direction of the first domain of the first pixels and a direction of the second domain of the second pixels are different from each other.Type: GrantFiled: September 18, 2018Date of Patent: December 20, 2022Assignee: 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: 11221520Abstract: A display device and a method for manufacturing the same. A display device includes: a first substrate; a partition wall which is disposed on the first substrate to define a first space and includes a top portion and side portions extending from the top portion; a reflective layer which covers the top portion and the side portions; an organic layer which is disposed on the reflective layer to overlap the top portion and has liquid repellency; and a wavelength conversion layer which is disposed in the first space.Type: GrantFiled: February 7, 2018Date of Patent: January 11, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kang Uk Kim, Jung Suk Bang, Sang Ji Park, Don Chan Cho
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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: 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: 10423036Abstract: A display device according to an exemplary embodiment includes: a substrate; a thin film transistor; a pixel electrode; a common electrode; an insulation layer disposed between the pixel electrode and the common electrode; a roof layer spaced apart from the pixel electrode with a plurality of microcavities disposed therebetween; and a liquid crystal layer disposed in the microcavities; wherein the pixel electrode includes n branch electrodes that extend parallel with each other, a first connection electrode that connects a first end of a first branch electrode and a first end of a second branch electrode, and a second connection electrode that connects second ends of the n branch electrodes, where the n branch electrodes each has a shape that is bent at least once on a plan view, and the first branch electrode includes a first sub-branch electrode and a second sub-branch that are spaced apart from each other.Type: GrantFiled: April 20, 2017Date of Patent: September 24, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Jung Woo Park, Jung Suk Bang, Min Jeong Oh, Hae Ju Yun
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Publication number: 20190187528Abstract: 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: ApplicationFiled: September 19, 2018Publication date: June 20, 2019Inventors: Jung Suk BANG, Kwang Soo BAE, Min Jeong OH, Bo Ram LEE, Young Je CHO
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Publication number: 20190179204Abstract: A liquid crystal display including a first substrate on which a plurality of first pixels are defined, a first pixel electrode arranged for each of the first pixels on the first substrate, a second substrate arranged opposite the first substrate, a third substrate arranged on the second substrate and on which a plurality of second pixels are defined, a second pixel electrode arranged for each of the second pixels on the third substrate, and a fourth substrate arranged opposite the third substrate. Each of the first pixels has a first domain and each of the second pixels has a second domain, and a direction of the first domain of the first pixels and a direction of the second domain of the second pixels are different from each other.Type: ApplicationFiled: September 18, 2018Publication date: June 13, 2019Inventors: Jung Suk BANG, Kwang Soo BAE, Min Jeong OH, Bo Ram LEE, Young Je CHO
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Publication number: 20190146284Abstract: 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: ApplicationFiled: September 21, 2018Publication date: May 16, 2019Inventors: Kwang Soo BAE, Jung Suk BANG, Min Jeong OH, Bo Ram LEE, Young Je CHO
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Publication number: 20190086740Abstract: A liquid-crystal display (LCD) device includes a first substrate having pixels defined thereon, an insulating layer disposed on the first substrate, a pixel electrode disposed on the insulating layer in each of the pixels, an alignment layer disposed on the pixel electrode, a second substrate facing the first substrate, a wavelength conversion layer and a transmission layer disposed on the second substrate to face the first substrate, a common electrode disposed on the wavelength conversion layer and the transmission layer to face the first substrate, and a liquid-crystal layer interposed between the alignment layer and the common electrode. Each of the pixels includes an open area including at least one first side and that at least partially overlaps with the wavelength conversion layer and the transmission layer, and the insulating layer includes a pattern of grooves disposed adjacent to the at least one first side of the open area.Type: ApplicationFiled: May 15, 2018Publication date: March 21, 2019Inventors: Kwang Soo BAE, Jung Suk BANG, Min Jeong OH, Bo Ram LEE, Young Je CHO
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Patent number: 10197861Abstract: A liquid crystal display device includes a first substrate (FS) on which pixel regions are defined, a second substrate (SS) facing the FS, an alignment film disposed on a surface of the FS facing the SS, a wavelength conversion layer disposed on a surface of the SS facing the FS, a transmissive layer disposed on the surface of SS, a common electrode disposed on surfaces of the wavelength conversion layer and the transmissive layer facing the FS, a light-blocking member disposed on a surface of the common electrode facing the FS, and a liquid crystal layer between the alignment film and the light-blocking member. Each pixel region among the pixel regions includes: a pixel electrode disposed on the surface of the FS; an opening region in the light-blocking member; and a pixel overlap region outside the opening region, the pixel electrode overlapping the light-blocking member in the pixel overlap region.Type: GrantFiled: January 15, 2018Date of Patent: February 5, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Sung Man Kim, Jung Suk Bang, Min Jeong Oh, Bo Ram Lee
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Publication number: 20190033664Abstract: A liquid crystal display device includes a first substrate (FS) on which pixel regions are defined, a second substrate (SS) facing the FS, an alignment film disposed on a surface of the FS facing the SS, a wavelength conversion layer disposed on a surface of the SS facing the FS, a transmissive layer disposed on the surface of SS, a common electrode disposed on surfaces of the wavelength conversion layer and the transmissive layer facing the FS, a light-blocking member disposed on a surface of the common electrode facing the FS, and a liquid crystal layer between the alignment film and the light-blocking member. Each pixel region among the pixel regions includes: a pixel electrode disposed on the surface of the FS; an opening region in the light-blocking member; and a pixel overlap region outside the opening region, the pixel electrode overlapping the light-blocking member in the pixel overlap region.Type: ApplicationFiled: January 15, 2018Publication date: January 31, 2019Inventors: Kwang Soo BAE, Sung Man KIM, Jung Suk BANG, Min Jeong OH, Bo Ram LEE
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Publication number: 20190018286Abstract: A display device and a method for manufacturing the same. A display device includes: a first substrate; a partition wall which is disposed on the first substrate to define a first space and includes a top portion and side portions extending from the top portion; a reflective layer which covers the top portion and the side portions; an organic layer which is disposed on the reflective layer to overlap the top portion and has liquid repellency; and a wavelength conversion layer which is disposed in the first space.Type: ApplicationFiled: February 7, 2018Publication date: January 17, 2019Inventors: Kang Uk Kim, Jung Suk Bang, Sang Ji Park, Don Chan Cho
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Publication number: 20180039017Abstract: A light guide plate may include a substrate, a plurality of light blockers, a first light guide layer, and a second light guide layer. The light blockers may be positioned on the substrate and may include a first light blocker. The first light guide layer may be positioned on the substrate, may include base portions, and may include protrusions. The protrusions may protrude from the base portions and may include a first protrusion. The first light blocker may be positioned between the substrate and the first protrusion and may be positioned between two of the base portions. The second light guide layer may be positioned on the first light guide layer. Portions of the second light guide layers may overlap the base portion s and may be positioned between the protrusions.Type: ApplicationFiled: August 1, 2017Publication date: February 8, 2018Inventors: Jung Suk BANG, Min Jeong OH, Kwang Soo BAE, Hae Ju YUN
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Publication number: 20170315412Abstract: A display device according to an exemplary embodiment includes: a substrate; a thin film transistor; a pixel electrode; a common electrode; an insulation layer disposed between the pixel electrode and the common electrode; a roof layer spaced apart from the pixel electrode with a plurality of microcavities disposed therebetween; and a liquid crystal layer disposed in the microcavities; wherein the pixel electrode includes n branch electrodes that extend parallel with each other, a first connection electrode that connects a first end of a first branch electrode and a first end of a second branch electrode, and a second connection electrode that connects second ends of the n branch electrodes, where the n branch electrodes each has a shape that is bent at least once on a plan view, and the first branch electrode includes a first sub-branch electrode and a second sub-branch that are spaced apart from each other.Type: ApplicationFiled: April 20, 2017Publication date: November 2, 2017Inventors: Kwang Soo BAE, Jung Woo PARK, Jung Suk BANG, Min Jeong OH, Hae Ju YUN
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Patent number: 9798173Abstract: A liquid crystal panel (LCD) may include: a flexible liquid crystal panel; and a housing unit for housing the liquid crystal panel. The housing unit may have an integrated structure which includes a bottom surface, a side surface connected from the bottom surface, and a top fixing end connected from the side surface, the liquid crystal panel may be housed between the bottom surface and the top fixing end, and the housing unit may be formed of a flexible soft material.Type: GrantFiled: October 8, 2015Date of Patent: October 24, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jung Suk Bang, You Young Jin, Sang II Kim, Won-Chul Lee
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Publication number: 20170184889Abstract: Provided is a display device, including a substrate including pixel areas which are disposed in a matrix form including pixel rows and pixel columns, a thin film transistor formed on the substrate, a pixel electrode connected to the thin film transistor, a common electrode formed on the pixel electrode to be spaced apart from the pixel electrode with a microcavity therebetween, a liquid crystal layer filling the microcavity between the pixel electrode and the common electrode, a roof layer formed on the common electrode, a liquid crystal injection hole formed in the common electrode and the roof layer to expose a part of the microcavity, and an overcoat formed on the roof layer so as to cover the liquid crystal injection hole to seal the microcavity. A cross section of the microcavity has a reverse-tapered trapezoidal shape in which an upper width is larger than a lower width.Type: ApplicationFiled: March 10, 2017Publication date: June 29, 2017Inventors: Jung Suk BANG, Dae Ho SONG, Seok-Joon HONG
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Patent number: 9664956Abstract: The inventive concept relates to a liquid crystal display and a manufacturing method thereof. More particularly, the inventive concept relates to a liquid crystal display including one substrate and a manufacturing method thereof. A liquid crystal display according to an exemplary embodiment of the inventive concept includes: a thin film transistor; a passivation layer; a pixel electrode; an opposing electrode disposed on the pixel electrode and spaced apart from the pixel electrode by a microcavity interposed therebetween; a roof layer disposed on the opposing electrode and overlapping the pixel electrode, wherein the roof layer and the opposing electrode form a valley exposing an injection hole of the microcavity, a buffer zone disposed between the light transmitting area and the valley and a light blocking member overlapping the valley. A height of the microcavity in the buffer zone is higher than a height of the microcavity in the light transmitting area.Type: GrantFiled: July 10, 2014Date of Patent: May 30, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jung Suk Bang, Seon Uk Lee
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Patent number: 9612469Abstract: Provided is a display device, including a substrate including pixel areas which are disposed in a matrix form including pixel rows and pixel columns, a thin film transistor formed on the substrate, a pixel electrode connected to the thin film transistor, a common electrode formed on the pixel electrode to be spaced apart from the pixel electrode with a microcavity therebetween, a liquid crystal layer filling the microcavity between the pixel electrode and the common electrode, a roof layer formed on the common electrode, a liquid crystal injection hole formed in the common electrode and the roof layer to expose a part of the microcavity, and an overcoat formed on the roof layer so as to cover the liquid crystal injection hole to seal the microcavity. A cross section of the microcavity has a reverse-tapered trapezoidal shape in which an upper width is larger than a lower width.Type: GrantFiled: August 28, 2014Date of Patent: April 4, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jung Suk Bang, Dae Ho Song, Seok-Joon Hong