Patents by Inventor Chan Lee

Chan Lee 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: 20220247494
    Abstract: An optical transceiver may include an optical receptacle configured to input or output an optical signal, a first planar lightwave circuit through which the optical signal travels, an arrayed waveguide grating connected to the first planar lightwave circuit, and a first spot size converter connecting the optical receptacle and the first planar lightwave circuit.
    Type: Application
    Filed: October 21, 2021
    Publication date: August 4, 2022
    Inventor: Jyung Chan LEE
  • Publication number: 20220238758
    Abstract: A display device includes an electrode layer including a first electrode; and a second electrode; light emitting elements on the electrode layer; an insulating layer on the light emitting elements and including openings exposing at least one of ends of a part of the light emitting elements; and a contact electrode corresponding to each of the openings, the insulating layer includes a fixing pattern between the first electrode and the second electrode; a division pattern intersecting the fixing pattern; a connection pattern connecting a first end of the fixing pattern to a first end of the division pattern; and a base portion surrounding the fixing pattern, the division pattern, and the connection pattern, the base portion is connected to a second end of the fixing pattern and a second end of the division pattern and spaced apart from the connection pattern.
    Type: Application
    Filed: November 23, 2021
    Publication date: July 28, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Hun SONG, Hyun KIM, Jeong Su PARK, Jong Chan LEE, Hyun Wook LEE
  • Publication number: 20220232185
    Abstract: An image sensing device includes a pixel array including a unit pixel suitable to transfer and store charges in response to a transfer signal and read out a pixel signal corresponding to the stored charges in response to a selection signal provided to the unit pixel; a signal converter suitable for comparing the pixel signal with a ramp signal based on a switch signal to generate a distance information signal; and a signal controller suitable for generating the switch signal for initializing the signal converter in a temporal section where the pixel signal is read out.
    Type: Application
    Filed: July 7, 2021
    Publication date: July 21, 2022
    Inventors: Jeong Eun SONG, Yu Jin PARK, Sung Uk SEO, Min Seok SHIN, Hoo Chan LEE
  • Patent number: 11393804
    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: Grant
    Filed: April 2, 2019
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Chan Lee, Gun Hee Kim, Sang Ho Park, Ju Won Yoon, Joo Hee Jeon, Hyun Joon Kim
  • Publication number: 20220223410
    Abstract: A method of depositing a silicon-containing material is disclosed. Some embodiments of the disclosure provide films which fill narrow CD features without a seam or void. Some embodiments of the disclosure provide films which form conformally on features with wider CD. Embodiments of the disclosure also provide superior quality films with low roughness, low defects and advantageously low deposition rates.
    Type: Application
    Filed: November 9, 2021
    Publication date: July 14, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Jung Chan Lee, Praket P. Jha, Jingmei Liang, Jinrui Guo, Wenhui Li
  • Patent number: 11386854
    Abstract: A pixel circuit includes: a driving switching element; a data initializer to initialize a voltage of a control electrode of the driving switching element; a data writer to write a data voltage to the driving switching element; an organic light emitting element; an organic light emitting element initializer to initialize an anode electrode of the organic light emitting element to a second initialization voltage based on an organic light emitting element initialization gate signal; and a light emitting controller to control an emission of the organic light emitting element. The organic light emitting element initializer includes: a control electrode to receive the organic light emitting element initialization gate signal; an input electrode to receive the second initialization voltage; an output electrode connected to the anode electrode; and a conductive layer to receive a compensation control signal that is different from the organic light emitting element initialization gate signal.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: July 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gun-Hee Kim, Sang-Ho Park, Ju-Won Yoon, Seung-Chan Lee, Joo-Hee Jeon
  • Patent number: 11387288
    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: Grant
    Filed: August 19, 2020
    Date of Patent: July 12, 2022
    Inventors: Seung Chan Lee, Dong Hwan Shim, Yoo Min Ko, Sung Jin Hong, Gun Hee Kim
  • Patent number: 11387307
    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: Grant
    Filed: July 14, 2020
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Chan Lee, Gun Hee Kim, Sung Jin Hong, Yoo Min Ko
  • Publication number: 20220216920
    Abstract: A method and apparatus for generating a four-level pulse amplitude modulation (PAM-4) optical signal are disclosed. The method of generating a PAM-4 optical signal may include outputting a PAM-4 electrical signal, generating a PAM-4 optical signal based on the PAM-4 electrical signal, extracting feature information of the PAM-4 electrical signal from the PAM-4 electrical signal, and generating a control signal to control an operation of generating the PAM-4 electrical signal based on the feature information.
    Type: Application
    Filed: November 1, 2021
    Publication date: July 7, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Jyung Chan LEE
  • Publication number: 20220216279
    Abstract: A display device including: a substrate including a display area and a non-display area; and a pad in the non-display area, wherein the pad includes a first electrode layer, a second electrode layer, a third electrode layer, and a fourth electrode layer sequentially on the substrate, the second electrode layer contacts the first electrode layer through a contact hole in a plurality of insulating layers, and an organic layer between the third electrode layer and the fourth electrode layer.
    Type: Application
    Filed: August 13, 2021
    Publication date: July 7, 2022
    Inventors: SEUNG CHAN LEE, HONG AM KIM, YOUNG MIN CHO, JIN-WHAN JUNG, WANG JO LEE
  • Patent number: 11378996
    Abstract: Provided is an operating device including an operation part inserted in an insertion hole part of a glass part; a frame part installed in a position facing the operation part while having the glass part interposed between same and the operation part; a lock part rotatably installed on the frame part and restricting the movement of the operation part by rotating; and a transfer gear part engaged with a gear provided on the lock part and rotating the lock part by moving or rotating by an external force.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: July 5, 2022
    Assignee: KORTEK CORPORATION
    Inventor: Kyoung Chan Lee
  • Patent number: 11380263
    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: May 22, 2019
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Won Yoon, Gun Hee Kim, Sang Ho Park, Seung Chan Lee, Joo Hee Jeon
  • Patent number: 11374302
    Abstract: A wireless signal device is provided. The wireless signal device includes a device body, a fastening belt, a wireless signal module and a switch unit. The device body includes a through hole. A fixed end of the fastening belt is affixed to the device body, and a free end of the fastening belt is adapted to be inserted into the through hole. The wireless signal module is disposed in the device body. The switch unit is disposed in the device body, wherein in a signal transmission mode, the fastening belt passes through the through hole, and the switch unit is pressed by the fastening belt to activate the wireless signal module.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: June 28, 2022
    Assignee: WISTRON NEWEB CORP.
    Inventors: Ming-Chan Lee, Jun-Wei Wang, Chao-Chun Lin
  • Patent number: 11374582
    Abstract: A semiconductor device includes a clock generator which receives an input clock and generates an output clock, a reference voltage generator which receives the input clock or the output clock, generates a sub-reference voltage in accordance with a frequency of the input clock or a frequency of the output clock, and generates a reference voltage using the sub-reference voltage and a preset error voltage, and a clock detector which receives the output clock, generates a first output voltage in accordance with the output clock, and compares the generated first output voltage with the reference voltage to output an error signal based on the output clock, wherein the preset error voltage is set in accordance with a degree of preset error of the output clock.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: June 28, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Kwang Lee, Ho Jun Yu, Kwang Chan Lee
  • Publication number: 20220199870
    Abstract: A display device includes a substrate; a first electrode and a second electrode disposed in an emission area and a sub-region and spaced apart from each other in a first direction; a first insulating layer disposed on the first electrode and the second electrode; light emitting elements disposed on the first insulating layer in the emission area, and including ends disposed on the first and second electrodes, respectively; and a second insulating layer disposed on the first insulating layer. The second insulating layer includes a fixing pattern; a support pattern portion; and a connection portion electrically connecting the fixing pattern and the support pattern portion, and the fixing pattern includes a first region that contacts an outer surface of the light emitting elements and a second region that does not contact the outer surface of the light emitting elements.
    Type: Application
    Filed: September 15, 2021
    Publication date: June 23, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun KIM, Jeong Su PARK, Myeong Hun SONG, Sang Hoon LEE, Jong Chan LEE
  • Patent number: 11364092
    Abstract: The present invention relates to a fixing piece firing device for a dental membrane, the device being capable of firing the fixing piece to fix the dental membrane that covers a graft site after bone graft during implant surgery, and of facilitating access into an oral cavity due to a tip part with a curved front end, thus enabling a quick and easy procedure without using a typical dental drill.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: June 21, 2022
    Assignee: MCTBIO CO., LTD.
    Inventors: Sung Youn Kim, Jong Chan Lee
  • Publication number: 20220190071
    Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.
    Type: Application
    Filed: November 4, 2021
    Publication date: June 16, 2022
    Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Jong Chan LEE, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20220187872
    Abstract: A display device includes a display panel; a first digitizer layer disposed on the display panel; a second digitizer layer disposed on the display panel and separated from the first digitizer layer; a first plate member disposed on the first digitizer layer; and a second plate member disposed on the second digitizer layer, wherein each of the first plate member and the second plate member includes a plurality of plate portions and one or more hinge portions configured to rotatably connect the plurality of plate portions to each other.
    Type: Application
    Filed: September 24, 2021
    Publication date: June 16, 2022
    Inventors: Dong Woo Seo, So Jeong La, Dong Jin Park, Jai Ku Shin, Seok Chan Lee, Sung Chul Choi, Ji Hye Shin
  • Publication number: 20220187584
    Abstract: The present invention is directed toward a system and method for STED nanography, which reduces background noise. To remove background noise from a STED image, the polarization of the STED beam is altered from that used to obtain the original image. A polarized image is obtained. This polarized image can then be subtracted from the original image to remove noise inherent to the image.
    Type: Application
    Filed: March 26, 2020
    Publication date: June 16, 2022
    Inventors: Taekjip Ha, Jong-Chan Lee, Ye Ma
  • Publication number: 20220190400
    Abstract: A secondary battery includes: an electrode assembly; a sheet-type exterior configured to accommodate the electrode assembly; and a plurality of temperature sensing parts provided adjacent to the exterior to sense a temperature of a plurality of areas, respectively, of the exterior, wherein at least one of the plurality of temperature sensing parts includes: a positive temperature coefficient (PTC) element; and a negative temperature coefficient (NTC) element.
    Type: Application
    Filed: December 10, 2019
    Publication date: June 16, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventor: Jae Chan Lee