Patents by Inventor Yong Jae Jang
Yong Jae Jang 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: 11569331Abstract: A display device includes a pixel array disposed in a display area, a connection pad disposed in a pad area, and a transfer wiring electrically connected to the connection pad to transfer a signal to the pixel array. The pixel array includes a light-emitting element including a first electrode including a multi-layered structure including a metal layer and a metal oxide layer, an organic light-emitting layer disposed on the first electrode, and a second electrode disposed on the organic light-emitting layer. The connection pad includes an upper pad conductive layer having a single-layered structure including a metal oxide.Type: GrantFiled: November 18, 2020Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Hoon Yoo, Kang-Woo Kim, Kyung Hoon Park, Yong Jae Jang
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Patent number: 11094764Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.Type: GrantFiled: January 3, 2020Date of Patent: August 17, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
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Publication number: 20210249497Abstract: A display device includes a pixel array disposed in a display area, a connection pad disposed in a pad area, and a transfer wiring electrically connected to the connection pad to transfer a signal to the pixel array. The pixel array includes a light-emitting element including a first electrode including a multi-layered structure including a metal layer and a metal oxide layer, an organic light-emitting layer disposed on the first electrode, and a second electrode disposed on the organic light-emitting layer. The connection pad includes an upper pad conductive layer having a single-layered structure including a metal oxide.Type: ApplicationFiled: November 18, 2020Publication date: August 12, 2021Applicant: Samsung Display Co., LTD.Inventors: Young Hoon YOO, Kang-Woo KIM, Kyung Hoon PARK, Yong Jae JANG
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Patent number: 11067801Abstract: A head-mounted display device includes a display including a substrate and a plurality of display elements disposed on the substrate, a first polarizing layer disposed on the display, a reflective layer disposed on the first polarizing layer, a light-separating layer disposed on the reflective layer, a lens disposed on the light-separating layer, and a second polarizing layer disposed on the lens.Type: GrantFiled: September 19, 2018Date of Patent: July 20, 2021Assignee: Samsung Display Co., Ltd.Inventors: Wal Jun Kim, Jin Yeong Kim, Ki Wan Ahn, Joo Sun Yoon, Yong Jae Jang
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Publication number: 20210029446Abstract: An organic light emitting device includes: a substrate; a first electrode provided on the substrate; a metal pattern provided along an edge of the first electrode; and a pixel definer provided on the metal pattern. The pixel definer covers an end portion of the first electrode and an end portion of the metal pattern. The pixel definer includes an opening exposing the first electrode.Type: ApplicationFiled: October 11, 2020Publication date: January 28, 2021Inventors: Jae Hyuk JANG, Joo Sun YOON, Seung Min LEE, Yong Jae JANG
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Publication number: 20200144346Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.Type: ApplicationFiled: January 3, 2020Publication date: May 7, 2020Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
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Patent number: 10553661Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.Type: GrantFiled: September 25, 2017Date of Patent: February 4, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
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Patent number: 10347704Abstract: An organic light-emitting diode (OLED) display device includes a substrate, a first gate electrode on the substrate, a second gate electrode on the first gate electrode and at least partially overlapping the first gate electrode, a semiconductor pattern between the first gate electrode and the second gate electrode and at least partially overlapping the first and second gate electrodes, a connecting electrode on the second gate electrode and electrically connected to the semiconductor pattern, and a pixel electrode on the connecting electrode and electrically connected to the connecting electrode.Type: GrantFiled: October 13, 2017Date of Patent: July 9, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wal Jun Kim, Yong Jae Jang, Ki Wan Ahn, Joo Sun Yoon
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Publication number: 20190086671Abstract: A head-mounted display device includes a display including a substrate and a plurality of display elements disposed on the substrate, a first polarizing layer disposed on the display, a reflective layer disposed on the first polarizing layer, a light-separating layer disposed on the reflective layer, a lens disposed on the light-separating layer, and a second polarizing layer disposed on the lens.Type: ApplicationFiled: September 19, 2018Publication date: March 21, 2019Inventors: Wal Jun Kim, Jin Yeong Kim, Ki Wan Ahn, Joo Sun Yoon, Yong Jae Jang
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Publication number: 20180122880Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.Type: ApplicationFiled: September 25, 2017Publication date: May 3, 2018Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
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Publication number: 20180108720Abstract: An organic light-emitting diode (OLED) display device includes a substrate, a first gate electrode on the substrate, a second gate electrode on the first gate electrode and at least partially overlapping the first gate electrode, a semiconductor pattern between the first gate electrode and the second gate electrode and at least partially overlapping the first and second gate electrodes, a connecting electrode on the second gate electrode and electrically connected to the semiconductor pattern, and a pixel electrode on the connecting electrode and electrically connected to the connecting electrode.Type: ApplicationFiled: October 13, 2017Publication date: April 19, 2018Inventors: Wal Jun KIM, Yong Jae JANG, Ki Wan AHN, Joo Sun YOON
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Patent number: 9923039Abstract: A display device includes a substrate and first, second and third thin film transistor. The first thin film transistor is disposed over the substrate, and includes a first gate electrode which has a first transmittance. The second thin film transistor is disposed over the substrate, and includes a second gate electrode which has a second transmittance substantially different from the first transmittance. The third thin film transistor is disposed over the substrate, and includes a third gate electrode which has a third transmittance substantially different from the first transmittance.Type: GrantFiled: January 14, 2015Date of Patent: March 20, 2018Assignee: Samsung Display Co., Ltd.Inventors: Ki-Wan Ahn, Yong-Jae Jang
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Patent number: 9899632Abstract: A display panel includes a substrate, light emitting structures disposed on an upper surface of the substrate in pixel regions, an encapsulation substrate disposed over the light emitting structures, and a light blocking member disposed on a lower surface of the substrate. The light blocking member has blocking portions corresponding to the pixel regions and openings corresponding to transparent regions.Type: GrantFiled: August 5, 2015Date of Patent: February 20, 2018Assignee: Samsung Display Co., Ltd.Inventors: Ki-Wan Ahn, Yong-Jae Jang
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Patent number: 9818814Abstract: An organic light emitting display device includes a plurality of pixel regions on a substrate, each having a sub-pixel region, a transmissive region and a peripheral region, a plurality of sub-pixel circuits in the sub-pixel region that control the sub-pixel region, a planarization layer that covers the sub-pixel circuits, a first electrode disposed on the planarization layer in the sub-pixel region, a second electrode disposed on the first electrode, and a plurality of wirings disposed at different levels over the substrate in the peripheral region. The wirings are arranged in at least double level configuration and include first wirings that extend in a first direction over the substrate, and second wirings that extend over the substrate in a second direction substantially perpendicular to the first direction.Type: GrantFiled: April 29, 2016Date of Patent: November 14, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Ho Park, Seung-Min Lee, Hee-Jun Yoo, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
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Patent number: 9660010Abstract: An organic light emitting display device includes a substrate, a first insulating layer, a extension of a drain electrode, a second insulating layer, a first electrode, an emission layer, and a second electrode. The substrate has a display region and a transparent region. The first insulating layer is disposed on the substrate. The extension of drain electrode is disposed on the first insulating layer. The second insulating layer is disposed on the extension of a drain electrode such that an edge portion of the extension of a drain electrode is free from overlap with the second insulating layer. The first electrode is disposed on the second insulating layer and in contact with the edge portion of the extension of a drain electrode. The emission layer is disposed on the first electrode. The second electrode is disposed on the emission layer.Type: GrantFiled: June 2, 2015Date of Patent: May 23, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang-Ho Park, Joung-Keun Park, Ki-Wan Ahn, Joo-Sun Yoon, Seung-Min Lee, Yong-Jae Jang
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Patent number: 9653609Abstract: A thin film transistor including a substrate; a first gate electrode on the substrate; a first insulating layer covering the substrate and the first gate electrode; a semiconductor on the first insulating layer and overlapping the first gate electrode; a second insulating layer covering the first insulating layer and the semiconductor; a second gate electrode on the second insulating layer and crossing the first gate electrode in plane; a third insulating layer covering the second gate electrode and the second insulating layer; a first source electrode and a first drain electrode on the third insulating layer and connected to the semiconductor; and a second source electrode and a second drain electrode on a same layer as the first source electrode and the first drain electrode and connected to the semiconductor.Type: GrantFiled: May 21, 2015Date of Patent: May 16, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee jun Yoo, Sang Ho Park, Joung-Keun Park, Ki Wan Ahn, Joo Sun Yoon, Seung Min Lee, Yong Jae Jang, Jae Hyuk Jang, Kwang Young Choi, Jung Hyun Kim
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Patent number: 9620613Abstract: An organic light emitting display device includes a substrate, a first transistor disposed on the substrate in the opaque region, a second transistor disposed on the substrate in the opaque region, the second transistor being adjacent to the first transistor along a first direction, and a capacitor disposed on the substrate in the opaque region, the capacitor being adjacent to the first transistor along a second direction different from the first direction. Here, the capacitor may include a first capacitor electrode, a dielectric structure including silicon oxynitride and a second capacitor electrode.Type: GrantFiled: May 26, 2015Date of Patent: April 11, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang-Ho Park, Jae-Hyuk Jang, Chang-Ok Kim, Joo-Sun Yoon, Yong-Jae Jang
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Patent number: 9525016Abstract: An organic light emitting display device includes a substrate including a plurality of pixel regions and a plurality of transparent regions, thin film transistors disposed in the pixel regions, an insulation layer disposed on the thin film transistors, first electrodes electrically contacting the thin film transistors, a pixel defining layer including a black material disposed on the first electrodes, organic light emitting structures disposed on the pixel defining layer, and a second electrode disposed on the organic light emitting structures. The pixel defining layer may define an asymmetrical configuration of adjacent transparent regions disposed on opposing sides of corresponding pixel regions.Type: GrantFiled: December 4, 2014Date of Patent: December 20, 2016Assignee: Samsung Display Co., Ltd.Inventors: Ki-Wan Ahn, Sang-Ho Park, Yong-Jae Jang
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Publication number: 20160322453Abstract: An organic light emitting display device includes a plurality of pixel regions on a substrate, each having a sub-pixel region, a transmissive region and a peripheral region, a plurality of sub-pixel circuits in the sub-pixel region that control the sub-pixel region, a planarization layer that covers the sub-pixel circuits, a first electrode disposed on the planarization layer in the sub-pixel region, a second electrode disposed on the first electrode, and a plurality of wirings disposed at different levels over the substrate in the peripheral region. The wirings are arranged in at least double level configuration and include first wirings that extend in a first direction over the substrate, and second wirings that extend over the substrate in a second direction substantially perpendicular to the first direction.Type: ApplicationFiled: April 29, 2016Publication date: November 3, 2016Inventors: SANG-HO PARK, SEUNG-MIN LEE, HEE-JUN YOO, JOO-SUN YOON, YONG-JAE JANG, KWANG-YOUNG CHOI
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Publication number: 20160172633Abstract: A display panel includes a substrate, light emitting structures disposed on an upper surface of the substrate in pixel regions, an encapsulation substrate disposed over the light emitting structures, and a light blocking member disposed on a lower surface of the substrate. The light blocking member has blocking portions corresponding to the pixel regions and openings corresponding to transparent regions.Type: ApplicationFiled: August 5, 2015Publication date: June 16, 2016Inventors: Ki-Wan Ahn, Yong-Jae Jang