Patents by Inventor Min-Oh Choi
Min-Oh 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: 12213367Abstract: A display device includes: a display panel including a pixel having an emissive area, and a sensor having a sensing area; and an anti-reflection layer on the display panel, the anti-reflection layer including: a light blocking layer having a first opening overlapping with the emissive area, a second opening overlapping with the sensing area, and an intermediate opening between the first opening and the second opening; a color filter covering the first opening; an over-coating layer on the light blocking layer, and covering the color filter; and a light blocking pattern on the over-coating layer, and overlapping with an area between the intermediate opening and the first opening.Type: GrantFiled: February 23, 2023Date of Patent: January 28, 2025Assignee: Samsung Display Co., Ltd.Inventors: Bokwang Song, Gee-Bum Kim, Kwang Soo Bae, Dae-Young Lee, Min Oh Choi
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Patent number: 12171133Abstract: A display device includes a base layer, and a pixel layer disposed on the base layer. The pixel layer includes reference pixel units and photo-sensing elements. Each of the reference pixel units includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. Each of the photo-sensing elements is interposed between two second light-emitting elements adjacent to each other in a first direction, and at least one of the first light-emitting element or the third light-emitting element includes a plurality of sub-light-emitting elements electrically connected to each other.Type: GrantFiled: September 7, 2023Date of Patent: December 17, 2024Assignee: SAMSUNG DISPLAY CO., LTDInventors: Kwang Soo Bae, Gee-Bum Kim, Bokwang Song, Min Oh Choi
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Publication number: 20240365601Abstract: A display module includes: a base layer; a pixel definition layer on the base layer, and having a first opening and a second opening; and an element layer including: a light emitting element corresponding to the first opening, and including: a first light emitting electrode on the base layer; a light emitting layer on the first light emitting electrode; and a second light emitting electrode on the light emitting layer; and a light receiving element corresponding to the second opening, and including: a first light receiving electrode on the base layer; a light receiving layer on the first light receiving electrode; a second light receiving electrode on the light receiving layer; and an optical compensation layer between the first light receiving electrode and the light receiving layer, and not overlapping with the first light emitting electrode in a plan view, the optical compensation layer including a transparent conductive oxide.Type: ApplicationFiled: April 9, 2024Publication date: October 31, 2024Inventors: GEE-BUM KIM, KWANG SOO BAE, BOKWANG SONG, MIN OH CHOI, Soo Yeong HONG
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Publication number: 20240365633Abstract: A display device is disclosed that includes an active area including a first active area and a second active area, pixels disposed in the first active area and the second active area and including respective light emitting elements, a first optical sensor disposed in the first active area and including a first photoelectric conversion element, a second optical sensor disposed in the second active area and including a second photoelectric conversion element, a light blocking member disposed in the first active area and the second active area, including first openings exposing the light emitting elements and a second opening exposing the first photoelectric conversion element, and covering the second photoelectric conversion element, and a first color filter and a second color filter disposed on the light blocking member and overlapping each other above the second photoelectric conversion element.Type: ApplicationFiled: January 11, 2024Publication date: October 31, 2024Inventors: Bo Kwang SONG, Gee Bum KIM, Kwang Soo BAE, Min Oh CHOI
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Publication number: 20240310952Abstract: A display device includes unit pixels, each unit pixel including display pixels and a light sensing pixel, touch electrodes sensing a touch and, when viewed in a plan view, surrounding a first region where each of at least two display pixels is disposed and a second region where the light sensing pixel and one of the display pixels that is different from the at least two display pixels are disposed, and a main driving circuit receiving a light sensing signal from the light sensing pixel and sensing a fingerprint by analyzing the light sensing signal. The touch electrodes define at least one open area in which no touch electrode is formed between the light sensing pixel and at least one display pixel in each unit pixel.Type: ApplicationFiled: December 4, 2023Publication date: September 19, 2024Inventors: GEE BUM KIM, BO KWANG SONG, KWANG SOO BAE, DAE YOUNG LEE, MIN OH CHOI
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Publication number: 20240292717Abstract: A display device includes a glass located in a display area of a lens, a display panel including an OLED on a semiconductor wafer substrate, and a reflective member to reflect display light exiting from the display panel toward the glass. The display panel may include an emissive layer including the OLED, an encapsulation layer on the emissive layer, and a light control pattern layer on the encapsulation layer and including an organic film pattern and a planarization film covering an upper surface of the encapsulation layer including the organic film pattern. The organic film pattern is arranged in line with a second color pixel and a third color pixel among a first color pixel, the second color pixel, and the third color pixel, and forms an opening in the first color pixel. A side surface of the organic film pattern adjacent to the opening may include a slope inclined at an angle in the first color pixel.Type: ApplicationFiled: November 13, 2023Publication date: August 29, 2024Inventors: Bo Kwang SONG, Gee Bum KIM, Kwang Soo BAE, Min Oh CHOI, Soo Yeong HONG
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Publication number: 20240249552Abstract: A display device includes: a display panel including a light emitting element and a photosensitive element; an input sensor comprising a sensing electrode on the display panel; and an anti-reflection layer on the input sensor. The anti-reflection layer includes: a light shielding pattern having a first opening corresponding to the light emitting element and a second opening corresponding to the photosensitive element. The sensing electrode includes a plurality of line portions, the plurality of line portions includes a first line portion overlapping the light shielding pattern and arranged between the first opening and the second opening on a plane. A distance between the first line portion and an edge of the second opening is less than a distance between the first line portion and an edge of the first opening.Type: ApplicationFiled: March 4, 2024Publication date: July 25, 2024Inventors: KWANG SOO BAE, GEE-BUM KIM, BOKWANG SONG, DAE-YOUNG LEE, MIN OH CHOI
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Publication number: 20240251630Abstract: An electronic device includes a display panel including a transmission area and a display area disposed adjacent to the transmission area. An image is displayed in the display area. The electronic device further includes an optical sensor overlapping the transmission area and disposed under the display panel. The display panel includes a light emitting element and a light receiving element, which are disposed in the display area, signal lines electrically connected to the light emitting element or the light receiving element, and a connection line disposed along a periphery of the transmission area. At least one of the signal lines includes a first line and a second line spaced apart from the first line with the transmission area interposed therebetween, and the connection line is connected to each of the first line and the second line.Type: ApplicationFiled: November 15, 2023Publication date: July 25, 2024Inventors: BOKWANG SONG, KWANG SOO BAE, CHEOL-GON LEE, MIN OH CHOI, SOO YEONG HONG
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Publication number: 20240237475Abstract: A display device including: a substrate; first to third light emitting portions on the substrate; a light sensing portion on the substrate and configured to sense an incident light, a light blocking layer having a light blocking opening that overlaps the light sensing portion; a first color filter on the first light emitting portion, and configured to transmit the first light, and block the second light and the third light; a second color filter on the second light emitting portion, overlapping the light blocking opening, and configured to transmit the second light, and block the first light and the third light; a third color filter on the third light emitting portion, and configured to transmit the third light, and block the first light and the second light; and a first light blocking pattern on the second color filter and overlapping a portion of the light blocking opening.Type: ApplicationFiled: July 24, 2023Publication date: July 11, 2024Inventors: Min Oh CHOI, Kwang Soo BAE, Gee Bum KIM, Bo Kwang SONG, Soo Yeong HONG
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Publication number: 20240237470Abstract: A display device has a base layer, including light-emitting regions of first to third colors, respectively, at least one light-receiving region, and a non-light-emitting region surrounding the light-emitting regions and the at least one light-receiving region; a display element layer disposed on the base layer, including first to third light-emitting elements each corresponding to the light-emitting regions of the first to third colors, respectively, and a light-receiving element corresponding to the at least one light-receiving region; and a color filter layer disposed on the display element layer and including first to third color filters, first regions each having one color filter corresponding to a respective one of the first to third color filters disposed therein and each overlapping a respective one of the first to third color light-emitting regions, and a second region in which two different color filters of the first to third color filters are stacked.Type: ApplicationFiled: September 15, 2023Publication date: July 11, 2024Inventors: KWANG SOO BAE, GEE-BUM KIM, BOKWANG SONG, MIN OH CHOI, SOO YEONG HONG
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Publication number: 20240237415Abstract: A display device including a display panel including a display area including emission areas and a non-emission area adjacent to the emission areas, wherein the display panel includes: a pixel defining layer that includes first openings corresponding to the emission areas and a second opening corresponding to the non-emission area; light emitting elements each including a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second electrode, wherein each of the light emitting elements is disposed in a corresponding one of the first openings; and a photovoltaic element including a first cell electrode, a second cell electrode, and an optical photovoltaic layer disposed between the first cell electrode and the second cell electrode, wherein the photovoltaic element is disposed in the second opening.Type: ApplicationFiled: September 20, 2023Publication date: July 11, 2024Inventors: KWANG SOO BAE, Gun Hee Kim, Sun Hee Lee, Min Oh Choi
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Publication number: 20240138229Abstract: A display device including: a substrate; first to third light emitting portions on the substrate; a light sensing portion on the substrate and configured to sense an incident light, a light blocking layer having a light blocking opening that overlaps the light sensing portion; a first color filter on the first light emitting portion, and configured to transmit the first light, and block the second light and the third light; a second color filter on the second light emitting portion, overlapping the light blocking opening, and configured to transmit the second light, and block the first light and the third light; a third color filter on the third light emitting portion, and configured to transmit the third light, and block the first light and the second light; and a first light blocking pattern on the second color filter and overlapping a portion of the light blocking opening.Type: ApplicationFiled: July 23, 2023Publication date: April 25, 2024Inventors: Min Oh CHOI, Kwang Soo BAE, Gee Bum KIM, Bo Kwang SONG, Soo Yeong HONG
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Publication number: 20240138196Abstract: A display device including a display panel including a display area including emission areas and a non-emission area adjacent to the emission areas, wherein the display panel includes: a pixel defining layer that includes first openings corresponding to the emission areas and a second opening corresponding to the non-emission area; light emitting elements each including a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second electrode, wherein each of the light emitting elements is disposed in a corresponding one of the first openings; and a photovoltaic element including a first cell electrode, a second cell electrode, and an optical photovoltaic layer disposed between the first cell electrode and the second cell electrode, wherein the photovoltaic element is disposed in the second opening.Type: ApplicationFiled: September 19, 2023Publication date: April 25, 2024Inventors: KWANG SOO BAE, Gun Hee Kim, Sun Hee Lee, Min Oh Choi
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Publication number: 20240138227Abstract: A display device has a base layer, including light-emitting regions of first to third colors, respectively, at least one light-receiving region, and a non-light-emitting region surrounding the light-emitting regions and the at least one light-receiving region; a display element layer disposed on the base layer, including first to third light-emitting elements each corresponding to the light-emitting regions of the first to third colors, respectively, and a light-receiving element corresponding to the at least one light-receiving region; and a color filter layer disposed on the display element layer and including first to third color filters, first regions each having one color filter corresponding to a respective one of the first to third color filters disposed therein and each overlapping a respective one of the first to third color light-emitting regions, and a second region in which two different color filters of the first to third color filters are stacked.Type: ApplicationFiled: September 14, 2023Publication date: April 25, 2024Inventors: KWANG SOO BAE, GEE-BUM KIM, BOKWANG SONG, MIN OH CHOI, SOO YEONG HONG
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Patent number: 11963426Abstract: A display device includes a sensor having a detection electrode. An optical pattern layer is disposed directly on the sensor and includes a plurality of transmission portions and a light blocking portion. A display panel is disposed on the optical pattern layer. A minimum distance between the detection electrode and the light blocking portion is in a range of 1 micrometer-5 micrometers.Type: GrantFiled: June 18, 2020Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dae-Young Lee, Gee-Bum Kim, Byung Han Yoo, Sangwoo Kim, Jungha Son, Taekyung Ahn, Yunjong Yeo, Kijune Lee, Jaeik Lim, Min Oh Choi, Chaungi Choi
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Publication number: 20240122030Abstract: A display device includes a base layer, and a pixel layer disposed on the base layer. The pixel layer includes reference pixel units and photo-sensing elements. Each of the reference pixel units includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. Each of the photo-sensing elements is interposed between two second light-emitting elements adjacent to each other in a first direction, and at least one of the first light-emitting element or the third light-emitting element includes a plurality of sub-light-emitting elements electrically connected to each other.Type: ApplicationFiled: September 7, 2023Publication date: April 11, 2024Inventors: Kwang Soo BAE, Gee-Bum KIM, Bokwang SONG, Min Oh CHOI
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Patent number: 11922717Abstract: A display device includes: a display panel including a light emitting element and a photosensitive element; an input sensor comprising a sensing electrode on the display panel; and an anti-reflection layer on the input sensor. The anti-reflection layer includes: a light shielding pattern having a first opening corresponding to the light emitting element and a second opening corresponding to the photosensitive element. The sensing electrode includes a plurality of line portions, the plurality of line portions includes a first line portion overlapping the light shielding pattern and arranged between the first opening and the second opening on a plane. S distance between the first line portion and an edge of the second opening is less than a distance between the first line portion and an edge of the first opening.Type: GrantFiled: January 26, 2023Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Gee-Bum Kim, Bokwang Song, Dae-Young Lee, Min Oh Choi
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Publication number: 20230354670Abstract: A display device includes: a display panel including a pixel having an emissive area, and a sensor having a sensing area; and an anti-reflection layer on the display panel, the anti-reflection layer including: a light blocking layer having a first opening overlapping with the emissive area, a second opening overlapping with the sensing area, and an intermediate opening between the first opening and the second opening; a color filter covering the first opening; an over-coating layer on the light blocking layer, and covering the color filter; and a light blocking pattern on the over-coating layer, and overlapping with an area between the intermediate opening and the first opening.Type: ApplicationFiled: February 23, 2023Publication date: November 2, 2023Inventors: BOKWANG SONG, GEE-BUM KIM, KWANG SOO BAE, DAE-YOUNG LEE, MIN OH CHOI
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Publication number: 20230345795Abstract: A display device of the disclosure includes a substrate, a circuit layer disposed on the substrate and including a pixel circuit and a sensor circuit, a pixel element layer disposed on the circuit layer and including a light emitting element electrically connected to the pixel circuit, a light receiving element electrically connected to the sensor circuit, and a pixel defining layer disposed on the circuit layer, and a partition wall disposed on the pixel defining layer. The partition wall has a reverse taper shape.Type: ApplicationFiled: February 21, 2023Publication date: October 26, 2023Inventors: Byung Han YOO, Dae Young LEE, Sang Woo KIM, Jun Gi KIM, Min Oh CHOI
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Publication number: 20230329050Abstract: A display device includes a substrate that includes a display area and a subsidiary area adjacent to the display area; a first pixel driving unit disposed in the display area; a light-emitting element disposed in the display area and connected to the first pixel driving unit; a plurality of sensor driving units disposed in the subsidiary area; and a plurality of photoelectric conversion elements disposed in the subsidiary area and connected to the plurality of sensor driving units, respectively.Type: ApplicationFiled: January 23, 2023Publication date: October 12, 2023Inventors: MIN OH CHOI, Gun Hee Kim, Sun Ho Kim, Kwan Soo Bae, Dae Young Lee, Sung Chan Jo, Chung Sock Choi