Patents by Inventor Gun-hee Kim

Gun-hee Kim 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).

  • Publication number: 20210202626
    Abstract: A display device, includes: a substrate including pixel areas and a transmissive area between the pixel areas; a pixel circuit layer including at least one transistor on each of the pixel areas; and a light-emitting element layer on the pixel circuit layer and including at least one light-emitting element at each of the pixel areas and coupled to the at least one transistor, and a transparent organic layer at the transmissive area, wherein the light-emitting element layer further includes: a first electrode at the pixel areas, a first inorganic layer at the first electrode, an organic layer covering the first inorganic layer and the transparent organic layer, and a second inorganic layer on the organic layer.
    Type: Application
    Filed: October 27, 2020
    Publication date: July 1, 2021
    Inventors: Joo Hee Jeon, Tae Hoon Yang, Gun Hee Kim, Sung Jin Hong
  • Patent number: 11043166
    Abstract: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoomin Ko, Gun Hee Kim, Sang Hoon Kim, Taehoon Yang, Joohee Jeon
  • Patent number: 11038005
    Abstract: An organic light emitting diode (OLED) display includes a first electrode, a pixel defining layer that at least partially exposes the first electrode, an organic light emitting layer on the first electrode, a thin-film encapsulation layer on the organic light emitting layer, and a light shielding member on the thin-film encapsulation the light shielding member overlapping the pixel defining layer. The organic light emitting layer includes a main area not overlapping the pixel defining layer and a sub area overlapping the pixel defining layer. The main area includes an open portion not overlapping the light shielding member and a shadow portion around the open portion overlapping the light shielding member.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gun Hee Kim, Sang Ho Park, Ju Won Yoon, Seung Chan Lee, Joo Hee Jeon
  • Publication number: 20210118961
    Abstract: An organic light-emitting display device includes a pixel area and a transmitting area adjacent to the pixel area. The organic light-emitting display device includes an organic light-emitting diode, a driving power wiring, and a heating pattern adjacent to the driving power wiring. The organic light-emitting diode includes a first electrode disposed in the pixel area, an organic light-emitting layer disposed on the first electrode and a second electrode disposed on the organic light-emitting layer. The driving power wiring is electrically connected to the second electrode. A portion of the organic light-emitting layer is disposed in the transmitting area. The organic light-emitting layer includes an opening area overlapping the heating pattern and at least a portion of the driving power wiring. The second electrode electrically contacts the driving power wiring through the opening area.
    Type: Application
    Filed: August 19, 2020
    Publication date: April 22, 2021
    Inventors: Seung Chan LEE, Dong Hwan SHIM, Yoo Min KO, Sung Jin HONG, Gun Hee KIM
  • Publication number: 20210036070
    Abstract: A display device includes: a substrate including a display area including a plurality of first pixels and a sensor area including a plurality of second pixels and a plurality of transmission portions, a plurality of first counter electrodes disposed corresponding to the plurality of first pixels, respectively, a plurality of second counter electrodes disposed corresponding to the plurality of second pixels, respectively, and a spacer disposed to overlap at least a portion of a boundary region between a transmission portion of the plurality of transmission portions and a second counter electrode of the plurality of second counter electrodes, which are adjacent to each other.
    Type: Application
    Filed: July 15, 2020
    Publication date: February 4, 2021
    Inventors: Joo Hee JEON, Gun Hee KIM, Sang Hoon KIM, Seung Chan LEE
  • Publication number: 20210028261
    Abstract: A display device includes a display panel including a main area and a sensor area. Sensor devices overlap the sensor area of the display panel in a thickness direction of the display panel. The display panel includes first subpixels, which are disposed in the sensor area, and second subpixels, which are disposed in the main area. The number of transistors of each of the first subpixels is different from the number of transistors of each of the second subpixels.
    Type: Application
    Filed: July 14, 2020
    Publication date: January 28, 2021
    Inventors: SEUNG CHAN LEE, GUN HEE KIM, SUNG JIN HONG, YOO MIN KO
  • Publication number: 20210028252
    Abstract: A display device is provided including a display area and a non-display area located on a periphery of the display area. The display area includes a sensor area for an optical sensor and a non-sensor area. The display device includes a substrate portion, a thin film transistor (TFT) layer disposed over an entire surface of the substrate portion, and a light emitting diode (LED) disposed on the TFT layer. The TFT layer includes at least one TFT. A thickness of the substrate portion in the sensor area is smaller than a thickness of the substrate portion in the non-sensor area.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 28, 2021
    Inventors: SUNG JIN HONG, SEUNG CHAN LEE, GUN HEE KIM, DONG HYUN KIM, SANG HOON KIM, SOO HYUN MOON, JOO HEE JEON
  • Publication number: 20210012707
    Abstract: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.
    Type: Application
    Filed: June 9, 2020
    Publication date: January 14, 2021
    Inventors: Yoomin KO, Gun Hee KIM, Sang Hoon KIM, Taehoon YANG, Joohee JEON
  • Publication number: 20210013291
    Abstract: A display device includes a flexible substrate which includes a first surface and a second surface opposite to the first surface and includes, sequentially, a first portion in the display region, a second portion in the non-display region, a third portion bent in a direction opposite to a display surface, a fourth portion, a fifth portion bent in a direction toward the display surface, and a sixth portion; a plurality of signal wirings on the first surface at the second to sixth portions; and a plurality of first connection wirings on the second surface at the second portion, and the second portion overlaps with the fourth portion, the fifth portion, and the sixth portion, and the signal wirings and the first connection wirings are coupled to each other on the second surface at the second portion.
    Type: Application
    Filed: July 8, 2020
    Publication date: January 14, 2021
    Inventors: Dong Hyun KIM, Gun Hee KIM, Soo Hyun MOON, Seung Chan LEE, Joo Hee JEON
  • Publication number: 20200410921
    Abstract: A display device: a substrate including a first display area and a second display area; a signal line which overlaps the first display area and the second display area; and a common electrode which overlaps the first display area and the second display area, where the first display area includes a first pixel area, the second display area includes a second pixel area and a transmitting area, the transmitting area includes a first transmitting area and a second transmitting area, which have different transmittances from each other, the common electrode overlaps the first pixel area, the second pixel area and the second transmitting area, and in the second transmitting area, at least a part of the signal line and the common electrode overlap each other.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 31, 2020
    Inventors: Dong Hyun KIM, Gun Hee KIM, Sang Hoon KIM, Soo Hyun MOON, Seung Chan LEE, Joo Hee JEON, Sung Jin HONG, Tae Hoon YANG
  • Publication number: 20200411606
    Abstract: Disclosed are display panels and display devices. The display panel comprises a base layer which includes a first region and a second region having a first sub-region and a second sub-region, first pixels in the first region, and second pixels in the first sub-region. Each of the first and second pixels includes a pixel electrode, an emission layer on the pixel electrode, and a common electrode on the emission layer. The pixel electrode is shifted relative to the emission layer in a direction away from the second sub-region.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 31, 2020
    Inventors: Sang Hoon KIM, Seungchan LEE, GUN HEE KIM, Donghyun KIM, Soohyun MOON, Joohee JEON, SungJin HONG, TAEHOON YANG
  • Patent number: 10878754
    Abstract: An organic light emitting display device includes a display panel including a plurality of pixels and a panel driver configured to generate driving signals to drive the plurality of pixels. Each of the plurality of pixels includes a first transistor, a second transistor, a storage capacitor, a third transistor, a maintain capacitor, a fourth transistor, a fifth transistor, and an organic light emitting diode. The maintain capacitor is configured to maintain a gate voltage of the first transistor during an emission period of the pixels.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gun Hee Kim, Kyung-Bae Kim, Joohee Jeon
  • Patent number: 10861918
    Abstract: An organic light emitting diode display device includes a substrate, a driving transistor, and a sub-pixel structure. The substrate has a first trench. The driving transistor is inside the first trench of the substrate. The sub-pixel structure is on the driving transistor.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joohee Jeon, Gun Hee Kim, Do Hyung Kim, Hyeonsik Kim, Sangho Park
  • Publication number: 20200105854
    Abstract: An organic light emitting diode (OLED) display includes a first electrode, a pixel defining layer that at least partially exposes the first electrode, an organic light emitting layer on the first electrode, a thin-film encapsulation layer on the organic light emitting layer, and a light shielding member on the thin-film encapsulation the light shielding member overlapping the pixel defining layer. The organic light emitting layer includes a main area not overlapping the pixel defining layer and a sub area overlapping the pixel defining layer. The main area includes an open portion not overlapping the light shielding member and a shadow portion around the open portion overlapping the light shielding member.
    Type: Application
    Filed: August 23, 2019
    Publication date: April 2, 2020
    Inventors: Gun Hee KIM, Sang Ho PARK, Ju Won YOON, Seung Chan LEE, Joo Hee JEON
  • Publication number: 20200051966
    Abstract: A display device and a method for fabricating the same. The display device includes a substrate including a circuit layer and a first pad unit; an auxiliary substrate disposed below the substrate and comprising a driving circuit and a second pad unit; a light-emitting unit disposed on the circuit layer; and a connection electrode in contact with a side surface of the substrate and electrically connecting the first pad unit with the second pad unit. The method includes forming a circuit layer and a first pad unit on a first surface of a substrate; forming a driving circuit and a second pad unit on a fourth surface of an auxiliary substrate; and attaching a second surface of the substrate opposite the first surface to a third surface of the auxiliary substrate opposite the fourth surface.
    Type: Application
    Filed: April 2, 2019
    Publication date: February 13, 2020
    Inventors: Seung Chan Lee, Gun Hee Kim, Sang Ho Park, Ju Won Yoon, Joo Hee Jeon, Hyun Joon Kim
  • Publication number: 20190388970
    Abstract: An exemplary embodiment provides a method of manufacturing a curved porous component having a base material layer and a porous region through one-step laminated-molding, whereby it is possible to reduce a manufacturing time when manufacturing a product and to provide a porous component in which the shape and size of a porous region can be controlled. An implant including the porous component has an increased bone contact ratio, so bone growth between bones can be improved and products fitting to the frames of patients can be easily designed.
    Type: Application
    Filed: October 12, 2018
    Publication date: December 26, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kang Min Kim, Gun Hee Kim, Byoung Soo Lee, Hyung Giun Kim, O Hyung Kwon, Kyung Hwan Jung, Won Rae Kim, Min Ji Ham, Kyung Hoon Kim, Chang Woo Lee
  • Publication number: 20190388971
    Abstract: An exemplary embodiment provides a method of manufacturing a porous component having a base material layer and a porous layer through one-step laminated-molding, whereby it is possible to provide a manufacturing time when manufacturing a product and to provide a porous component in which the shape and size of a porous layer can be controlled. An implant including the porous component has an increased bone contact ratio, so bone growth between bones can be improved and products fitting to the frames of patients can be easily designed.
    Type: Application
    Filed: October 12, 2018
    Publication date: December 26, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyung Hwan JUNG, Gun Hee KIM, Byoung Soo LEE, Hyung Giun KIM, Seung Min YANG, Kang Min KIM, Won Rae KIM, Min Ji HAM, Kyung Hoon KIM, Chang Woo LEE
  • Publication number: 20190295470
    Abstract: An organic light emitting display device includes a display panel including a plurality of pixels and a panel driver configured to generate driving signals to drive the plurality of pixels. Each of the plurality of pixels includes a first transistor, a second transistor, a storage capacitor, a third transistor, a maintain capacitor, a fourth transistor, a fifth transistor, and an organic light emitting diode. The maintain capacitor is configured to maintain a gate voltage of the first transistor during an emission period of the pixels.
    Type: Application
    Filed: March 20, 2019
    Publication date: September 26, 2019
    Inventors: Gun Hee KIM, Kyung-Bae KIM, Joohee JEON
  • Publication number: 20190296153
    Abstract: A thin film transistor array panel includes a substrate, a first gate electrode on the substrate, a semiconductor layer on the first gate electrode, the semiconductor layer including a drain region, a source region, a lightly doped drain (LDD) region, and a channel region, a second gate electrode on the semiconductor layer, the first gate electrode and the second gate electrode each overlapping the channel region, a control gate electrode that overlaps the LDD region, and a source electrode and a drain electrode respectively connected with the source region and the drain region of the semiconductor layer.
    Type: Application
    Filed: March 15, 2019
    Publication date: September 26, 2019
    Inventors: Do Hyung KIM, Gun Hee KIM, Hyeon Sik KIM, Sang Ho PARK, Joo Hee JEON
  • Publication number: 20190279564
    Abstract: A display apparatus includes a plurality of pixels, each of the pixels including an organic light emitting diode, a first transistor providing a driving current to operate the organic light emitting diode, a second transistor including a gate electrode that receives a first scan signal, a first electrode that receives a data signal, and a second electrode electrically connected to the first electrode of the first transistor, a storage capacitor including a first electrode receiving a first power voltage and a second electrode electrically connected to the gate electrode of the first transistor, and a color accuracy enhancement transistor that applies a first back bias voltage to the first transistor in response to a color accuracy enhancement signal.
    Type: Application
    Filed: March 7, 2019
    Publication date: September 12, 2019
    Inventors: Gun Hee KIM, Do Hyung KIM, Hyeonsik KIM, Sangho PARK, Joo-Sun YOON, Joohee JEON