Patents by Inventor Beohm-Rock Choi
Beohm-Rock Choi 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: 11906830Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, a sensor having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed on a side surface of the sensor, in which the second adhesive layer and the first adhesive layer contact each other.Type: GrantFiled: November 4, 2022Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seong Min Wang, Beohm Rock Choi, Yong Ho Yang
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Publication number: 20240049516Abstract: A light emitting display device includes: a substrate; an anode on the substrate; a pixel defining layer having an opening overlapping the anode; an emission layer in the opening of the pixel defining layer; a spacer on the pixel defining layer and having a step; a cathode formed in the emission layer, the pixel defining layer, and the spacer; an encapsulation layer on the cathode; and a light blocking layer on the encapsulation layer, wherein the spacer includes a first portion and a second portion that is lower than the first portion and is integrally formed with the first portion, and the first portion and the second portion of the spacer overlaps the light blocking layer in a plan view.Type: ApplicationFiled: May 9, 2023Publication date: February 8, 2024Inventors: Jun Hee LEE, Yeong Ho LEE, Choong Youl IM, Hyun Duck CHO, Beohm Rock CHOI
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Publication number: 20240040847Abstract: A display device includes pixels and emission areas, a light blocking layer including holes overlapping the emission areas, and color filters in the holes of the light blocking layer and overlapping the emission areas, the color filters include a first color filter overlapping a first emission area, a second color filter overlapping a second emission area, and a third color filter overlapping a third emission area, an area of the first emission area is greater than an area of the second emission area and an area of the third emission area and the area of the second emission area is greater than the area of the third emission area, and a ratio between opening widths of the first emission area, the second emission area, and the third emission area is about 1.33:1.15:1 to about 1.43:1.25:1.Type: ApplicationFiled: April 12, 2023Publication date: February 1, 2024Applicant: Samsung Display Co., LTD.Inventors: Choong Youl IM, Hyun Duck CHO, Kook Hyun CHOI, Ji Hyun KIM, Jun Hee LEE, Ha Seok JEON, Beohm Rock CHOI
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Publication number: 20240040848Abstract: A display device comprises pixel electrodes disposed on a substrate and spaced apart from one another, a pixel-defining film disposed on the substrate and including openings, which are spaced apart from one another and overlap the pixel electrodes, organic light-emitting layers disposed in the openings of the pixel-defining film, a common electrode disposed between the pixel-defining film and the organic light-emitting layers, an encapsulation layer disposed on the common electrode, a light-blocking layer disposed on the encapsulation layer and including holes, which overlap the openings and are spaced apart from one another, and color filters disposed in the holes of the light-blocking layer and overlapping the openings. Sides of each of the openings have concave-convex patterns including convex portions that protrude outwardly and concave portions that are inwardly depressed. The color filters are disposed to partially overlap one another on the light-blocking layer.Type: ApplicationFiled: April 12, 2023Publication date: February 1, 2024Applicant: Samsung Display Co., Ltd.Inventors: Seong Yong HWANG, Ji Hyun KIM, Chan Young KIM, Yeong Ho LEE, Jun Hee LEE, Choong Youl IM, Ha Seok JEON, Hyun Duck CHO, Kook Hyun CHOI, Beohm Rock CHOI
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Publication number: 20240040890Abstract: A display device includes pixel electrodes disposed on a substrate; a pixel defining layer disposed on the pixel electrodes that include pixel openings overlapping the pixel electrodes in a plan view, respectively; an encapsulation layer disposed on the pixel electrodes and the pixel defining layer; a sensing electrode disposed on the encapsulation layer; a first insulating layer disposed on the sensing electrode that has openings overlapping the pixel openings in a plan view, respectively; and a second insulating layer disposed on the first insulating layer that has a higher refractive index than a refractive index of the first insulating layer, and each of the openings of the first insulating layer includes at least one protruding extension, and protruding directions of the at least one protruding extension formed in each of the openings include at least eight directions.Type: ApplicationFiled: March 23, 2023Publication date: February 1, 2024Applicant: Samsung Display Co., LTD.Inventors: Jung-Hyun CHO, Gun Woo KO, Chi Wook AN, Beohm Rock CHOI
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Publication number: 20230413651Abstract: A display device includes a plurality of emission areas, a light blocking layer comprising a plurality of holes overlapping the plurality of emission areas and between adjacent emission areas, and a plurality of color filters in the plurality of holes of the light blocking layer and overlapping the plurality of emission areas, wherein the plurality of emission areas includes a first emission area, a second emission area spaced apart from the first emission area in a plan view normal to the third direction and a third emission area spaced apart from the second emission area in the plan view normal to the third direction, and the plurality of color filters includes first, second and third color filters overlapping the first, second, and third emission areas, respectively, wherein a portion of the second color filter is on the first color filter adjacent to the second color filter and on the third color filter adjacent to the second color filter.Type: ApplicationFiled: February 7, 2023Publication date: December 21, 2023Inventors: Ha Seok JEON, Choong Youl IM, Hyun Duck CHO, Beohm Rock CHOI
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Publication number: 20230363231Abstract: An electronic device including a light emitting display device includes: a first data conductive layer, a second data conductive layer, a green light emitting diode (LED) anode, a red light emitting diode (LED) anode, and a blue light emitting diode (LED) anode positioned on the second organic layer; a pixel definition layer including a green opening overlapping the green light emitting diode (LED) anode, a red opening overlapping the red light emitting diode (LED) anode, and a blue opening overlapping the blue light emitting diode (LED) anode. The first data conductive layer include a first expansion overlapping the red opening or the blue opening of the pixel definition layer, the second data conductive layer includes a second expansion overlapping the green opening of the pixel definition layer, and the second expansion of the second data conductive layer entirely overlaps the green opening of the pixel definition layer.Type: ApplicationFiled: February 3, 2023Publication date: November 9, 2023Applicant: Samsung Display Co., LTD.Inventors: Jun Hee LEE, Choong Youl IM, Ha Seok JEON, Hyun Duck CHO, Beohm Rock CHOI
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Patent number: 11812649Abstract: A display device according to an embodiment includes a display unit including first emissive regions displaying a first color, second emissive regions displaying a second color, and third emissive regions displaying a third color; and an anti-reflection unit overlapping the display unit and including first color filters overlapping the first emissive regions, second color filters overlapping the second emissive regions, and third color filters overlapping the third emissive regions, wherein in a plan view, a ratio of an area of the first emissive regions, an area of the second emissive regions, and an area of the third emissive regions and a ratio of an area of the first color filters, an area of the second color filters, and an area of the third color filters are different.Type: GrantFiled: March 25, 2021Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Choong Youl Im, Ha Seok Jeon, Beohm Rock Choi
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Patent number: 11706953Abstract: A display device includes a display panel and an optical member. The display panel includes a lower substrate and an upper substrate. The display panel forms a light-transmitting area and a display area near the light-transmitting area. The optical member is adjacent to a rear surface of the display panel and overlaps with a portion corresponding to the light-transmitting area. The display area includes a thin film transistor and an organic light emitting element configured to receive a current from the thin film transistor. The light-transmitting area does not include a metal layer, which is disposed in the display area. The upper substrate and the lower substrate do not have a through-hole structure in the light-transmitting area.Type: GrantFiled: May 24, 2019Date of Patent: July 18, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin Koo Chung, Beohm Rock Choi
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Publication number: 20230215302Abstract: A display device including a substrate; a first electrode on the substrate; a partitioning wall on the first electrode that includes a first opening that overlaps the first electrode; a touch detection electrode on the partitioning wall; a low refractive layer on the partitioning wall and the touch detection electrode, the low refractive layer including a second opening that overlaps the first opening; and a high refractive layer on the low refractive layer. Planar shapes of the first opening and the second opening are polygons, each including a series of sides, and a distance between one side of the first opening and the second opening is different than another side of the first opening and the second opening in a plan view.Type: ApplicationFiled: March 6, 2023Publication date: July 6, 2023Inventors: Kang Wook HEO, Beohm Rock CHOI, Hae Young YUN, Jung-Hyun CHO, Won Hak CHOI
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Patent number: 11678555Abstract: A display device includes: a first display area including a first pixel area; a second display area including a second pixel area and a transmissive area adjacent to the second pixel area; a first pixel in the first pixel area; a second pixel in the second pixel area; and a dummy pixel in the transmissive area, wherein the dummy pixel includes a light emission portion emitting light on both sides.Type: GrantFiled: May 29, 2020Date of Patent: June 13, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin Koo Chung, Seong-Min Kim, Beohm Rock Choi, Young Seo Park, Gi-Na Yoo
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Patent number: 11620923Abstract: A display device including a substrate; a first electrode on the substrate; a partitioning wall on the first electrode that includes a first opening that overlaps the first electrode; a touch detection electrode on the partitioning wall; a low refractive layer on the partitioning wall and the touch detection electrode, the low refractive layer including a second opening that overlaps the first opening; and a high refractive layer on the low refractive layer. Planar shapes of the first opening and the second opening are polygons, each including a series of sides, and a distance between one side of the first opening and the second opening is different than another side of the first opening and the second opening in a plan view.Type: GrantFiled: September 8, 2020Date of Patent: April 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Kang Wook Heo, Beohm Rock Choi, Hae Young Yun, Jung-Hyun Cho, Won Hak Choi
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Publication number: 20230056635Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, a sensor having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed on a side surface of the sensor, in which the second adhesive layer and the first adhesive layer contact each other.Type: ApplicationFiled: November 4, 2022Publication date: February 23, 2023Inventors: Seong Min WANG, Beohm Rock CHOI, Yong Ho YANG
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Publication number: 20230046219Abstract: A light emitting display device includes a substrate, an organic layer, a conductor, an anode, and a pixel definition layer. The organic layer overlaps the substrate and has a connection opening. The conductor is positioned between the substrate and the organic layer. The anode is positioned on the organic layer and is partially positioned inside the connection opening. The pixel definition layer exposes an exposed portion of the anode. The organic layer has a halftone exposure portion and a neighboring portion. The halftone exposure portion overlaps the exposed portion of the anode and overlaps the conductor. The neighboring portion neighbors the halftone exposure portion. A face of the halftone exposure portion and a face of the neighboring portion are spaced from the substrate by a first distance and a second distance, respectively. A difference between the first distance and the second distance is 30 nm or less.Type: ApplicationFiled: January 26, 2022Publication date: February 16, 2023Inventors: Jun Hee LEE, Beohm Rock CHOI, Jun Hyuk WOO, Choong Youl IM, Seong Min CHO
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Patent number: 11552132Abstract: A display device includes a base substrate having a main area, a sub-area, and a bending area. The main area includes pixels that each include a thin film transistor having a semiconductor layer, a gate electrode, a source electrode and a drain electrode. The display device includes a first insulating layer, a first conductive layer and a second insulating layer. The bending area includes a bending organic layer in a bending open portion. A second conductive layer is disposed on the second insulating layer and includes a source connection electrode. An encapsulation layer covers a light emitting element disposed on the second conductive layer for each of the pixels. A touch layer and a color filter layer are disposed on the encapsulation layer. The color filter layer includes a plurality of first color patterns overlapping the source connection electrode in the bending area that are separated from each other.Type: GrantFiled: September 29, 2020Date of Patent: January 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeon Bum Lee, Beohm Rock Choi, Jun Hyuk Woo
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Patent number: 11515505Abstract: According to one embodiment, a display device includes a display panel having a first area and a second area, the first area including a first pixel area and a first surrounding area surrounding the first pixel area, and the second area including a second pixel area, a transmission area, and a second surrounding area surrounding the second pixel area and the transmission area, an encapsulation structure on the display panel and including at least one inorganic layer and at least one organic layer, a color filter on the encapsulation structure and overlapping the first pixel area and the second pixel area, a black matrix on the encapsulation structure and overlapping the first surrounding area and the second surrounding area, and a functional module on a rear surface of the display panel and overlapping the second area.Type: GrantFiled: May 12, 2020Date of Patent: November 29, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jin Koo Chung, Beohm Rock Choi
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Patent number: 11493795Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening and having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed between a side surface of the sensor and the auxiliary layer, in which the second adhesive layer and the first adhesive layer contact each other.Type: GrantFiled: February 3, 2021Date of Patent: November 8, 2022Assignee: Samsung Display Co., Ltd.Inventors: Seong Min Wang, Beohm Rock Choi, Yong Ho Yang
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Patent number: 11489143Abstract: A display device includes: a pixel defining layer on a pixel electrode, and having a pixel opening exposing a portion of the pixel electrode; an emission layer on the pixel electrode at the pixel opening; an opposite electrode on the emission layer; a first refractive layer on the opposite electrode, and having a first refractive index, and a refractive opening that overlaps with the pixel opening; and a second refractive layer on the first refractive layer, and having a second refractive index greater than the first refractive index. A minimum gap between the pixel opening and the refractive opening in a plan view is greater than or equal to ?1 ?m and less than or equal to 2.5 ?m, and a width of the refractive opening is less than a width of the pixel opening when the minimum gap is negative, and greater when the minimum gap is positive.Type: GrantFiled: May 13, 2020Date of Patent: November 1, 2022Assignee: Samsung Display Co., Ltd.Inventors: Haeyoung Yun, Soon Il Jung, Jung-Hyun Cho, Sang-Hyun Choi, Beohm-Rock Choi
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Publication number: 20220309267Abstract: A display device may include a sensor layer, a substrate, a pixel layer, and a black matrix. The sensor layer may include photo sensors. The substrate may be positioned on the sensor layer. The pixel layer may be positioned on the substrate and may include pixels. The substrate may be positioned between the sensor layer and the pixel layer. The pixels may include pixel electrodes. The black matrix may be positioned on the pixel layer, may include first-set openings respectively overlapping with the pixel electrodes, and may include second-set openings not overlapping with any pixel electrodes of the display device in a direction perpendicular to the substrate. The pixel layer may be positioned between the substrate and the black matrix.Type: ApplicationFiled: November 29, 2021Publication date: September 29, 2022Inventors: Gee Bum KIM, Jae Ik LIM, Tae Hoon YANG, Dae Young LEE, Seong Min CHO, Beohm Rock CHOI
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Publication number: 20220131114Abstract: A display device includes a substrate, a first insulating layer on the substrate and including a flat upper surface, a first conductive layer on the substrate, the first conductive layer including first to third light blocking patterns separated from one another, a second insulating layer on the first conductive layer, and pixel electrodes on the second insulating layer. The pixel electrodes includes a first pixel electrode in a first color pixel and in the first light blocking pattern in a first direction in a plan view, and a second pixel electrode in a second color pixel and covering the second and third light blocking patterns in the first direction, the second insulating layer includes first and second areas respectively overlapping the first and second pixel electrodes, and each of the upper surfaces of the first and second areas includes a curved surface with a concave central portion.Type: ApplicationFiled: October 21, 2021Publication date: April 28, 2022Inventors: Min Yeul RYU, Dong Ki LEE, Jun Hee LEE, Choong Youl IM, Beohm Rock CHOI, Nak Cho CHOI