Patents by Inventor Seong-Min Wang

Seong-Min Wang 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).

  • Patent number: 10885847
    Abstract: An organic light emitting diode display includes a flexible substrate, a semiconductor layer on the flexible substrate, and an overlapping layer. The transistor includes a driving transistor, a second transistor to transmit a data voltage transmitted through the data line to an input electrode of the driving transistor, and a third transistor including a gate electrode connected to the scan line, a first electrode connected to an output electrode of the driving transistor, and a second electrode connected to a gate electrode of the driving transistor. The third transistor includes two transistors connected in series to each other and connected to each other at a third node, the third node is formed in the semiconductor layer, an additional capacitance portion is formed in the semiconductor layer in the vicinity of the third node, and the overlapping layer overlaps the third node and the capacitance portion of the semiconductor layer.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Min Wang, Yong Ho Yang, Sung Ho Kim, Young-In Hwang
  • Patent number: 10613579
    Abstract: An automotive display device on which an image may be displayed, the automotive display device being for a vehicle interior, the automotive display device including an automotive frame, at least part of the automotive frame being bendable; and a bending controller to control bending of the automotive frame.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: April 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Min Wang, MuGyeom Kim, Soo Youn Kim, Hyeonjeong Sang, Jae Won Lee
  • Publication number: 20200005708
    Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 2, 2020
    Inventors: YOUNG-IN HWANG, Sung Ho Kim, Yong Ho Yang, Seong Min Wang
  • Publication number: 20190305062
    Abstract: 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: Application
    Filed: January 18, 2019
    Publication date: October 3, 2019
    Inventors: Seong Min WANG, Young-In HWANG, Yong Ho YANG, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
  • Publication number: 20190304374
    Abstract: A display device may include a first pixel coupled to an emission control line, and an emission control stage for selectively coupling the emission control line to a first or second supply voltage line. The emission control stage may include: a first emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the emission control line, and a main gate electrode coupled to a first node; a second emission control transistor including a first electrode coupled to the emission control line, a second electrode coupled to the second supply voltage line, and a main gate electrode coupled to a second node; and a third emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the first node, a main gate electrode coupled to the second node, and a sub-gate electrode.
    Type: Application
    Filed: February 19, 2019
    Publication date: October 3, 2019
    Inventors: Seong Min WANG, Young In HWANG, Jin Woo PARK, Yong Ho YANG
  • Publication number: 20190302504
    Abstract: A display device includes a display panel having a first side including a display area configured to emit light and a second side opposite 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 an adhesive layer connected between the sensor and the auxiliary layer.
    Type: Application
    Filed: November 29, 2018
    Publication date: October 3, 2019
    Inventors: Seong Min WANG, Beohm Rock CHOI, Yong Ho YANG
  • Publication number: 20190304373
    Abstract: An organic light emitting diode display includes a flexible substrate, a semiconductor layer on the flexible substrate, and an overlapping layer. The transistor includes a driving transistor, a second transistor to transmit a data voltage transmitted through the data line to an input electrode of the driving transistor, and a third transistor including a gate electrode connected to the scan line, a first electrode connected to an output electrode of the driving transistor, and a second electrode connected to a gate electrode of the driving transistor. The third transistor includes two transistors connected in series to each other and connected to each other at a third node, the third node is formed in the semiconductor layer, an additional capacitance portion is formed in the semiconductor layer in the vicinity of the third node, and the overlapping layer overlaps the third node and the capacitance portion of the semiconductor layer.
    Type: Application
    Filed: February 7, 2019
    Publication date: October 3, 2019
    Inventors: Seong Min WANG, Yong Ho YANG, Sung Ho KIM, Young-In HWANG
  • Publication number: 20190280224
    Abstract: A display device includes a substrate, a thin film transistor disposed on the substrate, and a display element electrically connected to the thin film transistor. The substrate includes a first substrate layer, a second substrate layer disposed on the first substrate layer, a first barrier layer disposed between the first substrate layer and the second substrate layer, and a first ultraviolet light blocking layer disposed between the first substrate layer and the second substrate layer.
    Type: Application
    Filed: February 5, 2019
    Publication date: September 12, 2019
    Inventors: SEONG MIN WANG, BEOHMROCK CHOI, YONGHO YANG
  • Publication number: 20190279567
    Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 12, 2019
    Inventors: Young-In Hwang, Sung Ho Kim, Eung Taek Kim, Yong Ho Yang, Seong Min Wang, Jung-Mi Choi
  • Publication number: 20190163232
    Abstract: An automotive display device on which an image may be displayed, the automotive display device being for a vehicle interior, the automotive display device including an automotive frame, at least part of the automotive frame being bendable; and a bending controller to control bending of the automotive frame.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 30, 2019
    Inventors: Seong Min WANG, MuGyeom KIM, Soo Youn KIM, Hyeonjeong SANG, Jae Won LEE
  • Patent number: 10222825
    Abstract: An automotive display device on which an image may be displayed, the automotive display device being for a vehicle interior, the automotive display device including an automotive frame, at least part of the automotive frame being bendable; and a bending controller to control bending of the automotive frame.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Min Wang, MuGyeom Kim, Soo Youn Kim, Hyeonjeong Sang, Jae Won Lee
  • Patent number: 10204958
    Abstract: An infrared detector includes a substrate, a light blocking layer on the substrate, a lower electrode on the light blocking layer, the lower electrode electrically connected to the light blocking layer, a lower insulating layer on the light blocking layer, a first semiconductor layer on the lower insulating layer, a first source electrode and a first drain electrode on the first semiconductor layer, an upper insulating layer on the first semiconductor layer, and a first gate electrode on the upper insulating layer, the first gate electrode electrically connected to the lower electrode, where the first semiconductor layer includes a zinc and a nitrogen, and the first semiconductor layer is configured to generate electric charges by reacting with an infrared ray.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Wang, Byeong-Hoon Cho
  • Publication number: 20180108701
    Abstract: An infrared detector includes a substrate, a light blocking layer on the substrate, a lower electrode on the light blocking layer, the lower electrode electrically connected to the light blocking layer, a lower insulating layer on the light blocking layer, a first semiconductor layer on the lower insulating layer, a first source electrode and a first drain electrode on the first semiconductor layer, an upper insulating layer on the first semiconductor layer, and a first gate electrode on the upper insulating layer, the first gate electrode electrically connected to the lower electrode, where the first semiconductor layer includes a zinc and a nitrogen, and the first semiconductor layer is configured to generate electric charges by reacting with an infrared ray.
    Type: Application
    Filed: December 11, 2017
    Publication date: April 19, 2018
    Inventors: Seong-Min Wang, Byeong-Hoon Cho
  • Patent number: 9921670
    Abstract: An organic light emitting display including a first substrate and a second substrate is described. The first substrate has a pixel divided into a light emitting area and a non-light emitting area. The first substrate has an organic light emitting diode disposed in the light emitting area. The second substrate has an infrared sensor disposed corresponding to the non-light emitting area. In the organic light emitting display, the organic light emitting diode emits visible light and infrared light, and the infrared sensor is disposed corresponding to the non-light emitting area.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: March 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Wang, Tae-Kyung Kim, Byeong-Hoon Cho, Mu-Gyeom Kim
  • Publication number: 20180069198
    Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.
    Type: Application
    Filed: November 8, 2017
    Publication date: March 8, 2018
    Inventors: Seong Min WANG, Jung Gun NAM, Byeong Hoon CHO, Mu Gyeom KIM
  • Patent number: 9876048
    Abstract: An infrared detector includes a substrate, a light blocking layer on the substrate, a lower electrode on the light blocking layer, the lower electrode electrically connected to the light blocking layer, a lower insulating layer on the light blocking layer, a first semiconductor layer on the lower insulating layer, a first source electrode and a first drain electrode on the first semiconductor layer, an upper insulating layer on the first semiconductor layer, and a first gate electrode on the upper insulating layer, the first gate electrode electrically connected to the lower electrode, where the first semiconductor layer includes a zinc and a nitrogen, and the first semiconductor layer is configured to generate electric charges by reacting with an infrared ray.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Wang, Byeong-Hoon Cho
  • Patent number: 9847250
    Abstract: A flexible display and method of manufacturing the same are disclosed. In one aspect, the display includes a flexible substrate having a bending area and a non-bending area and a plurality of metal wirings formed over the flexible substrate in the bending area and the non-bending area. Each of the metal wirings which are formed in the bending area includes a pair of first hard wirings formed over the flexible substrate and a first soft wiring electrically connected to ends of the pair of first hard wirings.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Tae Woong Kim, Seong Min Wang, Jin Hwan Choi
  • Patent number: 9825259
    Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Min Wang, Jung Gun Nam, Byeong Hoon Cho, Mu Gyeom Kim
  • Patent number: 9634068
    Abstract: An organic light emitting display device and a method of manufacturing an organic light emitting display device are disclosed. The organic light emitting display device includes a first substrate, on which a display region and a non-display region surrounding the display region are defined, a second substrate disposed opposite to the first substrate, an organic light emitting element disposed in the display region between the first substrate and the second substrate, a third substrate disposed opposite to the second substrate, and a microphone disposed between the second substrate and the third substrate.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: April 25, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Jae Lee, Seong-Min Wang, Hee-Soo Yoo
  • Patent number: 9590018
    Abstract: An organic light emitting display device including an organic light emitting element disposed on an insulation substrate, and an ambient light reflection preventing unit disposed on the organic light emitting element, the ambient light reflection preventing unit including a first metal layer, a first dielectric layer disposed on the first metal layer, the first metal layer and the first dielectric layer contacting each other, and a photovoltaic unit including the first metal layer as a first electrode.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Min Wang, Mu Gyeom Kim