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).

  • Patent number: 11812653
    Abstract: A display device includes: a display panel including a first region including a transmissive part configured to transmit light provided from the outside and a second region not including the transmissive part; and a sensor overlapping with the transmissive part, and configured to obtain electrical information based on information provided from the outside, wherein the display panel includes: a thin film transistor layer including a plurality of transistors; a pixel defining layer defining an emission region of a plurality of pixels; and a light blocking layer on the pixel defining layer, and defining the transmissive part, and wherein the pixel defining layer in the first region covers at least a portion of the thin film transistor layer such that light provided through the transmissive part is blocked.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Ho Kim, Sun Hee Lee, Gun Hee Kim, Dong Hwan Shim, Yoo Min Ko, Chea Eun Kim
  • Publication number: 20230343295
    Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Inventors: Jin Wook YANG, Gun Hee KIM, Sun Young JUNG
  • Publication number: 20230343288
    Abstract: A display device includes: a base layer; a display element layer on the base layer, and including a light emitting element, a light detection element, and a photovoltaic element adjacent to one another; a light shielding layer on the display element layer, and having a plurality of opening parts; and a color filter layer on the display element layer, and covering the plurality of opening parts. The light detection element and the photovoltaic element are located at the same layer as each other, the light detection element is to detect an external input based on incident light from the outside, and the photovoltaic element is to generate electrical energy based on the incident light.
    Type: Application
    Filed: February 7, 2023
    Publication date: October 26, 2023
    Inventors: KWANG SOO BAE, GUN HEE KIM, HYOENG-KI KIM, DAE-YOUNG LEE, SUN HEE LEE, SANGHWAN CHO
  • Publication number: 20230345770
    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: June 12, 2023
    Publication date: October 26, 2023
    Inventors: Joo Hee JEON, Tae Hoon YANG, Gun Hee KIM, Sung Jin HONG
  • Patent number: 11794160
    Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: October 24, 2023
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Seung Min Yang, Kyung Hoon Kim, Gun Hee Kim, Young Kyu Jeong, O Hyung Kwon, Chan Bin Mo, Yong Su Jo, Hye Min Park, Gwang Hwa Jin
  • Publication number: 20230329020
    Abstract: A display device includes a substrate; and a plurality of unit pixels disposed on the substrate and including sub-pixels and photo-sensing pixels. Each of the sub-pixels includes a light emitting element and a light emitting area from which light is emitted. Each of the photo-sensing pixels includes a light receiving area and a light receiving element disposed therein and outputting a sensing signal corresponding to a degree of sensed light. The light emitting area and the light receiving area are spaced apart from each other on the substrate. The light emitting area and the light receiving area each have a polygonal shape. Aa shape of the light emitting area is different from a shape of the light receiving area.
    Type: Application
    Filed: January 27, 2023
    Publication date: October 12, 2023
    Inventors: Kwang Soo Bae, Gun Hee Kim, Dae Young Lee, Sang Hwan Cho
  • Publication number: 20230329050
    Abstract: 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: Application
    Filed: January 23, 2023
    Publication date: October 12, 2023
    Inventors: MIN OH CHOI, Gun Hee Kim, Sun Ho Kim, Kwan Soo Bae, Dae Young Lee, Sung Chan Jo, Chung Sock Choi
  • Publication number: 20230317007
    Abstract: A display device includes a pixel including a display driver configured to apply a driving current to a light-emitting element; and an optical sensor including a sensing driver configured to apply a sensing current to a read-out line based on a photocurrent from the photoelectric conversion element, wherein the pixel further includes, a driving transistor configured to control the driving current, a first transistor configured to apply a first initialization voltage to an anode of the light-emitting element based on an emission control signal, and a second transistor configured to connect the anode of the light-emitting element to a first electrode of the driving transistor in accordance with the emission control signal, and wherein a channel of the first transistor is a different material from channels of the driving transistor and the second transistor.
    Type: Application
    Filed: December 23, 2022
    Publication date: October 5, 2023
    Inventors: Hyeon Sik KIM, Gun Hee KIM, Tae Kyung AHN, Dae Young LEE, Sang Woo KIM
  • Publication number: 20230298378
    Abstract: A display device includes: a sub-pixel on a substrate and including a light emitting element; a photo-sensing pixel on the substrate and including a light-receiving element including a light-receiving layer configured to obtain a sensing signal corresponding to light emitted from the light emitting element; a touch sensor configured to obtain information about a touch input and including a conductive layer, wherein the conductive layer includes a hole area overlapping the light-receiving layer in a plan view.
    Type: Application
    Filed: February 1, 2023
    Publication date: September 21, 2023
    Inventors: Kwang Soo BAE, Gun Hee KIM, Dae Young LEE, Min Oh CHOI
  • Publication number: 20230209887
    Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Inventors: Sun Ho KIM, Sun Hee LEE, Gun Hee KIM, Tae Hoon YANG, Seung Chan LEE, Joo Hee JEON
  • Patent number: 11682353
    Abstract: An organic light emitting diode display includes: a substrate; an overlapping layer on the substrate; a pixel on the substrate and the overlapping layer; and a scan line, a data line, a driving voltage line, and an initialization voltage line that are connected to the pixel. The pixel includes: an organic light emitting diode; a second transistor connected to the scan line and the data line; a driving transistor including a gate electrode, an input terminal, and an output terminal, and to apply a current to the organic light emitting diode from the output terminal; and a voltage application transistor to apply a voltage to the overlapping layer. An output of the second transistor is connected to the input terminal of the driving transistor, and the overlapping layer is between the driving transistor and the substrate while overlapping with the driving transistor on a plane.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Won Yoon, Gun Hee Kim, Sang Ho Park, Seung Chan Lee, Joo Hee Jeon
  • Publication number: 20230189592
    Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Inventors: Sun Ho KIM, Gun Hee KIM, Dong Hwan SHIM, Tae Hoon YANG, Sun Hee LEE
  • Patent number: 11678521
    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: Grant
    Filed: October 27, 2020
    Date of Patent: June 13, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo Hee Jeon, Tae Hoon Yang, Gun Hee Kim, Sung Jin Hong
  • Publication number: 20230180564
    Abstract: A display device includes a first display area and a second display area located on opposite sides of a display area. The display device includes first through third sub-pixels. The first through third sub-pixels are disposed in the first and second display areas. The first and second sub-pixels are arranged in a first column adjacent to a first boundary, and the third sub-pixels are arranged in a second column. The second and first sub-pixels are arranged in a third column adjacent to a second boundary, and the third sub-pixels are arranged in a fourth column. The third sub-pixels are arranged in a first column and a second column of the first sub-area. The first and second sub-pixels are arranged in a first column and a second column of the third sub-area. The first to third sub-pixels are not disposed in the second column of the first and third sub-areas.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Inventors: Juchan PARK, Sunho KIM, Ja Eun LEE, Gun Hee KIM, Jieun KIM, Sun Hee LEE
  • Publication number: 20230172016
    Abstract: A display device including a display panel including a display area, a non-display area, a pixel disposed in the display area and including a light emitting element and a pixel driving circuit electrically connected to the light emitting element, a data line electrically connected to the pixel and extending in a first direction, a plurality of scan lines electrically connected to the pixel and extending in a second direction intersecting the first direction, an emission control line electrically connected to the pixel and extending in the second direction, and a first initialization voltage line electrically connected to the pixel, extending in the second direction, and to which a first initialization voltage is applied. The first initialization voltage line is disposed between one of the plurality of scan lines and the emission control line and another of the plurality of scan lines and the emission control line.
    Type: Application
    Filed: October 11, 2022
    Publication date: June 1, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYUNGKEUN PARK, SUNMI KANG, JUHOON KANG, DONGHWAN SHIM, SEOKHYUN LIM, JOOHEE JEON, MIYEON CHO, GUN HEE KIM, SUNYOUNG JUNG
  • Publication number: 20230144295
    Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.
    Type: Application
    Filed: December 7, 2021
    Publication date: May 11, 2023
    Inventors: Seung Min YANG, Kyung Hoon KIM, Gun Hee KIM, Young Kyu JEONG, O Hyung KWON, Chan Bin MO, Yong Su JO, Hye Min PARK, Gwang Hwa JIN
  • Publication number: 20230112488
    Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.
    Type: Application
    Filed: July 19, 2022
    Publication date: April 13, 2023
    Inventors: Jin Wook YANG, Gun Hee KIM, Sun Young JUNG
  • Publication number: 20230116805
    Abstract: A display device includes a display panel having a display area and a non-display area. The display panel includes a pixel disposed in the display area and including a light emitting element and a pixel driving circuit electrically connected with the light emitting element, a sensor disposed in the display area and including a photo sensing element and a sensor driving circuit electrically connected with the photo sensing element, a data line electrically connected with the pixel and extended along a first direction, a scan line electrically connected with the pixel and extended along a second direction intersecting the first direction, and a readout line including a first readout portion in the display area. The first readout portion is electrically connected with the sensor and extended along the second direction in the display area.
    Type: Application
    Filed: July 21, 2022
    Publication date: April 13, 2023
    Inventors: HYEONSIK KIM, GUN HEE KIM, SANGWOO KIM, TAEKYUNG AHN, DAE-YOUNG LEE
  • Patent number: 11600805
    Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Ho Kim, Sun Hee Lee, Gun Hee Kim, Tae Hoon Yang, Seung Chan Lee, Joo Hee Jeon
  • Publication number: 20230038319
    Abstract: A pixel includes a first capacitor connected between first and second nodes, a second capacitor connected between a first voltage line and the first node, a light emitting diode including a first electrode and a second electrode connected with a second voltage line, a first transistor including a first electrode, a second electrode, and a gate electrode connected with the second node, a second transistor including a first electrode, a second electrode, and a gate electrode which receives a scan signal, a third transistor including a first electrode, a second electrode, and a gate electrode which receives a first compensation scan signal, a fourth transistor including a first electrode, a second electrode, and a gate electrode which receives a second compensation scan signal, and a fifth transistor including a first electrode, a second electrode, and a gate electrode which receives a first light emitting signal.
    Type: Application
    Filed: May 16, 2022
    Publication date: February 9, 2023
    Inventors: JUHOON KANG, JIN-WOOK YANG, JOOHEE JEON, SUNMI KANG, GUN HEE KIM, HYUNGKEUN PARK, SEOKHYUN LIM, SUNYOUNG JUNG