Patents by Inventor Gyoo-Chul Jo
Gyoo-Chul Jo 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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Publication number: 20240130171Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: ApplicationFiled: December 8, 2023Publication date: April 18, 2024Applicant: Samsung Display Co., Ltd.Inventors: Seong Min WANG, Young-In HWANG, Yong Ho YANG, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Publication number: 20240081099Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., Ltd.Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Patent number: 11864430Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: GrantFiled: June 29, 2022Date of Patent: January 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Min Wang, Young-In Hwang, Yong Ho Yang, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
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Patent number: 11856818Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.Type: GrantFiled: January 11, 2022Date of Patent: December 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joon Woo Bae, So Young Koo, Han Bit Kim, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
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Publication number: 20230232671Abstract: An organic light emitting diode display includes a substrate, an overlap layer on the substrate, a semiconductor layer on the overlap layer, a first gate conductor on the semiconductor layer, a second gate conductor on the first gate conductor, a data conductor on the second gate conductor, a driving transistor on the overlap layer, and an organic light emitting diode connected with the driving transistor. The driving transistor includes, in the semiconductor layer, a first electrode, a second electrode, with a channel therebetween. A gate electrode of the first gate conductor overlaps the channel. The overlap layer overlaps the channel of the driving transistor and at least a portion of the first electrode. A storage line of the second gate conductor receives a driving voltage through a driving voltage line in the data conductor. The overlap layer receives a constant voltage.Type: ApplicationFiled: March 16, 2023Publication date: July 20, 2023Applicant: Samsung Display Co., Ltd.Inventors: Joon Woo BAE, Mee Jae KANG, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO, Myoung Geun CHA
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Patent number: 11616108Abstract: An organic light emitting diode display includes a substrate, an overlap layer on the substrate, a semiconductor layer on the overlap layer, a first gate conductor on the semiconductor layer, a second gate conductor on the first gate conductor, a data conductor on the second gate conductor, a driving transistor on the overlap layer, and an organic light emitting diode connected with the driving transistor. The driving transistor includes, in the semiconductor layer, a first electrode, a second electrode, with a channel therebetween. A gate electrode of the first gate conductor overlaps the channel. The overlap layer overlaps the channel of the driving transistor and at least a portion of the first electrode. A storage line of the second gate conductor receives a driving voltage through a driving voltage line in the data conductor. The overlap layer receives a constant voltage.Type: GrantFiled: October 23, 2019Date of Patent: March 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joon Woo Bae, Mee Jae Kang, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo, Myoung Geun Cha
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Publication number: 20220352282Abstract: An exemplary embodiment of the present disclosure provides a display device including: a substrate; a semiconductor layer disposed on the substrate; a first transistor including a first gate electrode disposed on the semiconductor layer; a light-emitting diode connected with the first transistor; and a first layer disposed between the substrate and the semiconductor layer, wherein the semiconductor layer includes a first electrode, a second electrode, and a channel disposed between the first electrode and the second electrode, the channel includes an impurity, and the first layer overlaps the first transistor.Type: ApplicationFiled: July 19, 2022Publication date: November 3, 2022Inventors: Mee Jae KANG, Joon Woo BAE, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO, Myoung Geun CHA
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Publication number: 20220336554Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: ApplicationFiled: June 29, 2022Publication date: October 20, 2022Applicant: Samsung Display Co., Ltd.Inventors: Seong Min WANG, Young-In HWANG, Yong Ho YANG, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Patent number: 11380746Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: GrantFiled: March 22, 2021Date of Patent: July 5, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Min Wang, Young-In Hwang, Yong Ho Yang, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
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Publication number: 20220140038Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.Type: ApplicationFiled: January 11, 2022Publication date: May 5, 2022Applicant: Samsung Display Co., Ltd.Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Patent number: 11257886Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.Type: GrantFiled: October 3, 2019Date of Patent: February 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joon Woo Bae, So Young Koo, Han Bit Kim, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
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Publication number: 20210210573Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: ApplicationFiled: March 22, 2021Publication date: July 8, 2021Applicant: Samsung Display Co., Ltd.Inventors: Seong Min WANG, Young-In HWANG, Yong Ho YANG, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Patent number: 10985227Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: GrantFiled: January 18, 2019Date of Patent: April 20, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Min Wang, Young-In Hwang, Yong Ho Yang, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
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Patent number: 10910572Abstract: A flexible display device including: a display substrate having a display area and a peripheral area surrounding the display area; a plurality of pixels formed in the display area; a passivation layer covering the pixels from the top to protect the pixels; a polarization film layer provided at the top of the passivation layer and of which an edge is extended outside an edge of the passivation layer; and a film wiring made of a flexible material of which one end is connected to the peripheral area.Type: GrantFiled: November 23, 2015Date of Patent: February 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jong-Ryuk Park, Hyun-Been Hwang, Sang Hun Oh, Keun Soo Lee, Sun Youl Lee, Gyoo Chul Jo
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Publication number: 20200365818Abstract: A flexible display device including: a display substrate having a display area and a peripheral area surrounding the display area; a plurality of pixels formed in the display area; a passivation layer covering the pixels from the top to protect the pixels; a polarization film layer provided at the top of the passivation layer and of which an edge is extended outside an edge of the passivation layer; and a film wiring made of a flexible material of which one end is connected to the peripheral area.Type: ApplicationFiled: August 6, 2020Publication date: November 19, 2020Inventors: Jong-Ryuk Park, Hyun-Been Hwang, Sang Hun Oh, Keun Soo Lee, Sun Youl Lee, Gyoo Chul Jo
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Publication number: 20200135831Abstract: An organic light emitting diode display includes a substrate, an overlap layer on the substrate, a semiconductor layer on the overlap layer, a first gate conductor on the semiconductor layer, a second gate conductor on the first gate conductor, a data conductor on the second gate conductor, a driving transistor on the overlap layer, and an organic light emitting diode connected with the driving transistor. The driving transistor includes, in the semiconductor layer, a first electrode, a second electrode, with a channel therebetween. A gate electrode of the first gate conductor overlaps the channel. The overlap layer overlaps the channel of the driving transistor and at least a portion of the first electrode. A storage line of the second gate conductor receives a driving voltage through a driving voltage line in the data conductor. The overlap layer receives a constant voltage.Type: ApplicationFiled: October 23, 2019Publication date: April 30, 2020Inventors: Joon Woo BAE, Mee Jae KANG, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO, Myoung Geun CHA
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Publication number: 20200111855Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.Type: ApplicationFiled: October 3, 2019Publication date: April 9, 2020Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Publication number: 20200105850Abstract: An exemplary embodiment of the present disclosure provides a display device including: a substrate; a semiconductor layer disposed on the substrate; a first transistor including a first gate electrode disposed on the semiconductor layer; a light-emitting diode connected with the first transistor; and a first layer disposed between the substrate and the semiconductor layer, wherein the semiconductor layer includes a first electrode, a second electrode, and a channel disposed between the first electrode and the second electrode, the channel includes an impurity, and the first layer overlaps the first transistor.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Inventors: Mee Jae Kang, Joon Woo Bae, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo, Myoung Geun Cha
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Publication number: 20190305062Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.Type: ApplicationFiled: January 18, 2019Publication date: October 3, 2019Inventors: Seong Min WANG, Young-In HWANG, Yong Ho YANG, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Patent number: 9711756Abstract: An organic light-emitting display apparatus includes: a substrate; a pixel electrode disposed on the substrate; an intermediate layer that is disposed on the pixel electrode and includes an organic light-emitting layer; a facing electrode disposed on the intermediate layer; and a thin film encapsulating layer disposed on the facing electrode, wherein the thin film encapsulating layer includes: a first inorganic film and a second inorganic film, which are disposed on the facing electrode; a first organic film that is disposed between the first inorganic film and the second inorganic film and has a first thickness; and a second organic film that is disposed on the second inorganic film and has a second thickness greater than the first thickness.Type: GrantFiled: February 2, 2015Date of Patent: July 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jeong-Yeol Lee, Gyoo-Chul Jo, Keun-Rim Ku