Patents by Inventor Dae-sik Kim

Dae-sik 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: 10727684
    Abstract: A wireless power transmitter includes a converter, a resonator, and a controller. The converter includes switching elements forming a bridge circuit, and is configured to output an alternating current (AC) voltage in response to control signals. The resonator includes a resonant capacitor and a resonant coil, and is configured to receive the AC voltage to wirelessly transmit power. The controller is configured to perform a first mode operation in which a duty of the control signals is fixed, a frequency of one of the control signals is varied and the control signals are output, and a second mode operation in which a frequency of the control signals is fixed, a duty of one of the control signals is reduced and the control signals are output.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: July 28, 2020
    Assignee: WITS Co., Ltd.
    Inventors: Jung Ho Son, Keun Soo Ha, Yun Ki Hong, Seung Won Park, Eun Young Shin, Dae Sik Kim
  • Publication number: 20200220186
    Abstract: A method for controlling driving of a chemical flow battery is disclosed. The method includes: measuring a concentration of bromine (Br2) in an electrolyte solution of a chemical flow battery after a complete discharge; and additionally supplying bromine (Br2) into the electrolyte solution until the concentration of bromine (Br2) satisfies a predefined condition.
    Type: Application
    Filed: September 21, 2016
    Publication date: July 9, 2020
    Inventors: Eun Mi CHOI, Suyeon BAE, Dae-Sik KIM
  • Patent number: 10690318
    Abstract: A light emitting diode (LED) apparatus is provided. The LED apparatus includes: an LED layer including a plurality of LEDs corresponding to a plurality of sub-pixels; a phosphor layer which is stacked on a top of the LED layer and includes a phosphor corresponding to at least a part of the plurality of sub-pixels; and a filter layer which is stacked on a top of the phosphor layer and includes a plurality of color filters corresponding to the plurality of sub-pixels, and each of the plurality of color filters includes a plurality of absorption films which are spaced from one another at predetermined intervals to absorb external light.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yasuhiro Nishida, Dae-sik Kim, Tetsuya Shigeta, Ji-Hoon Kang
  • Patent number: 10690997
    Abstract: A camera module includes a housing to accommodate a lens module, a stop module coupled to the lens module and configured to selectively change an amount of light incident to the lens module, and a coil portion configured to drive the stop module to selectively change an amount of light incident to the lens module. The coil portion is disposed on the housing.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: June 23, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chuel Jin Park, Dae Sik Kim, Sang Hyun Ji
  • Publication number: 20200166806
    Abstract: Disclosed is a display apparatus capable of being made thinner by reducing an optical distance OD and capable of implementing local dimming. The display apparatus includes a display panel, a light source configured to emit light toward a first direction parallel to a front surface of the display panel in order to supply the light to the display panel, and a light tunnel lens including: at least one light tunnel configured to guide the light emitted from the light source in the first direction, and a lens configured to be connected to the at least one light tunnel to diffuse the light guided by the at least one light tunnel.
    Type: Application
    Filed: November 25, 2019
    Publication date: May 28, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Farid Mukhtarov, Dae Sik Kim
  • Patent number: 10581079
    Abstract: Disclosed is a positive active material composition that includes a positive active material and an additive represented by the following Chemical Formula 1. L1-A1-L2-A2-L3-A3-(L5-A5)n-L4-A4??[Chemical Formula 1] In Chemical Formula 1, each substituent is the same as described in the detailed description.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 3, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Sik Kim
  • Publication number: 20200044268
    Abstract: A redox flow battery including a plurality of electrically connected stacks is provided. A plurality of stacks are alternately connected by electrical connecting lines, with at least one stack therebetween.
    Type: Application
    Filed: September 28, 2017
    Publication date: February 6, 2020
    Inventors: Hyeon-Seok JANG, Dae-Sik KIM, Dong Hwa HAN, Jin Kyo JEONG, Dong Kyun SEO
  • Publication number: 20200017705
    Abstract: Disclosed is a coating material for a coating layer of an injection mold, the coating material including 100 parts by weight of a resin composition and about 30 to 40 parts by weight of a curing agent. The resin composition includes an amount of about 40 to 50 wt % of a first acrylic resin, an amount of about 5 to 15 wt % of a second acrylic resin having a weight average molecular weight less than a weight average molecular weight of the first acrylic resin, an amount of about 10 to 15 wt % of a carbon component, an amount of about 0.5 to 2 wt % of a matting agent, an amount of about 0.1 to 0.3 wt % of a catalyst and an amount of about 20 to 35 wt % of a solvent, all the wt % are based on the total weight of the resin composition.
    Type: Application
    Filed: November 5, 2018
    Publication date: January 16, 2020
    Inventors: Kyeong Hoon Jang, In Soo Han, Dae Sik Kim, Jae Hyun An, Seul Yi, Ik Jin Jung, Ju Seong Park, Soon Joon Jung, Seung Sik Han, Jae Beom Ahn, Yong Chul Lee, Kie Moon Sung, Soon Gi Kim, Hak Soon Choi
  • Publication number: 20200004110
    Abstract: A camera module includes a housing to accommodate a lens module, a stop module coupled to the lens module and configured to selectively change an amount of light incident to the lens module, and a coil portion configured to drive the stop module to selectively change an amount of light incident to the lens module. The coil portion is disposed on the housing.
    Type: Application
    Filed: September 11, 2019
    Publication date: January 2, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chuel Jin PARK, Dae Sik KIM, Sang Hyun JI
  • Patent number: 10444599
    Abstract: A camera module includes a housing to accommodate a lens module, a stop module coupled to the lens module and configured to selectively change an amount of light incident to the lens module, and a coil portion configured to drive the stop module to selectively change an amount of light incident to the lens module. The coil portion is disposed on the housing.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 15, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chuel Jin Park, Dae Sik Kim, Sang Hyun Ji
  • Patent number: 10424053
    Abstract: An image correction apparatus includes an image correction processor configured to generate an image intensity gradient for each of areas of a pre-corrected image, generate a weight coefficient that is dependent on the image intensity gradient, generate a correction transfer function in which the weight coefficient is applied, generate an output value of a corrected image from an image intensity by applying the correction transfer function, and generate the corrected image based on the output value.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 24, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Victor Yurlov, Bok Young Hong, Young Kyun Lee, Won Seok Park, Myung Gu Kang, Dae Sik Kim
  • Patent number: 10416950
    Abstract: A tiled display system apparatus including a plurality of display apparatuses and a method for processing images thereof are provided. The tiled display apparatus includes: a plurality of display apparatuses configured to display an image, each display apparatus of the plurality of display apparatuses including a display panel including: an activated area, an inactivated area which is bent from the activated area, and a bending area provided between the activated area and the inactivated area; and an optical member provided on the bending area, the optical member configured to output light emitted from the bending area, wherein each of the plurality of display apparatuses is configured to correct a portion of the image corresponding to the light emitted from the bending area.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: September 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-sik Kim, Sergey Shestak, Seong-woo Cho, Ju-hee Seo
  • Patent number: 10402053
    Abstract: A display system, according to one embodiment of the present invention, comprises: a display unit for displaying information related to vehicle driving; an input unit into which data is input according to a user's operation; and a control unit responding to the data so as to control the information, related to vehicle driving, to be displayed through the display unit. The information related to vehicle driving includes a plurality of items for information exhibiting the driving status of the vehicle or peripheral information on the vehicle. The display unit displays the information related to vehicle driving through a “my menu” providing a particular item selected from the plurality of items according to the user's operation, and the selected particular item provided in the “my menu” is implemented as a widget.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: September 3, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dae Sik Kim, Jae Seok Park
  • Patent number: 10395110
    Abstract: An iris scanning camera module includes a housing having an internal space, and a first lens module and a second lens module inside the internal space. The first lens module and the second lens module have optical axes parallel to each other. An image sensor is configured to convert light passing through the first lens module and the second lens module into an image. The image sensor is divided into a region including a color pixel array and as another region including a black-and-white pixel array. The color pixel array is aligned in an optical axis direction of the first lens module, and the black-and-white pixel array is aligned in an optical axis direction of the second lens module.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Electro-Mechnics Co., Ltd.
    Inventors: Hae Seung Hyun, Soon Seok Kang, Ik Jin Jang, Jae Sun Lee, Dae Sik Kim
  • Patent number: 10366666
    Abstract: A display apparatus includes a display panel including pixels arranged at an intersection of data lines and gate lines, a source driver IC configured to be disposed on one side surface of the display panel to apply a data voltage to the data lines, a gate driver IC configured to be disposed on any one of two side surfaces which are adjacent to the one side surface of the display panel to apply a gate driving voltage to the gate lines, and a controller configured to receive feedback on a gate driving voltage applied to at least one pixel, detect a distortion of the gate driving voltage applied to the pixel based on the feedback, adjust a level of the gate driving voltage applied to the gate lines to compensate for the distortion of the gate driving voltage, and apply the adjusted gate driving voltage to the gate lines.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hoon Jung, Young-mok Park, Dae-sik Kim
  • Publication number: 20190214652
    Abstract: The present invention relates to a slurry composition for producing an electrode for a redox flow battery, the composition comprising a carbon compound powder, a binder resin including a predetermined polymer substituted with one or more anion exchange functional groups, and a hydrophobic organic solvent; a method for producing an electrode for a redox flow battery by using the slurry composition; a carbon-based electrode including a dried product of the slurry composition for producing an electrode for a redox flow battery; and a redox flow battery including the same
    Type: Application
    Filed: September 8, 2017
    Publication date: July 11, 2019
    Inventors: Suyeon BAE, Eun Mi CHOI, Dae Sik KIM, Min Suk JUNG
  • Publication number: 20190207058
    Abstract: A light emitting diode (LED) apparatus is provided. The LED apparatus includes a light emitting diode, a light conversion layer stacked on the light emitting diode and configured to convert a wavelength of light incident from the light emitting diode, a reflection coating layer stacked on the light conversion layer and configured to pass the light of which the wavelength is converted in light incident from the light conversion layer therethrough and reflecting the other light, and a color filter stacked on the reflection coating layer and configured to correspond to the light conversion layer.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Inventors: Jong-hoon JUNG, Dae-sik KIM, Sung-yeol KIM, Seung-yong SHIN
  • Publication number: 20190194435
    Abstract: A polypropylene resin composition may include an amount of 40 to 60 wt % of a polypropylene resin, an amount of 1 to 10 wt % of a polyethylene resin, an amount of 10 to 20 wt % of an olefin elastomer, and an amount of 1 to 20 wt % of a reinforcing material wherein all the wt % are based on the total weight of the polypropylene resin composition. Accordingly, a high gloss may be obtained without a coating process and moldability of the polypropylene resin may be obtained. Further provided is a molded article of an interior material or an exterior material of a vehicle manufactured by using the polypropylene resin composition.
    Type: Application
    Filed: August 12, 2018
    Publication date: June 27, 2019
    Inventors: Kyeong Hoon Jang, Dae Sik Kim, Jaehyun An, Seul Yi, In Soo Han, Eun Seob Shin, Beom Ho Kim, Hyeok Lee
  • Publication number: 20190169419
    Abstract: Disclosed is a polypropylene resin composition for an uncoated crash pad. The composition may include an amount of about 50 to 80 wt % of a polypropylene resin having a Polydispersity Index (PI) of about 4.5 to 6.5, a weight average molecular weight of about 200,000 to 350,000 g/mol, and an isotactic peptide fraction of about 96% or greater as measured by a C13-NMR method, an amount of about 1 to 30 wt % of rubber having a melt index of about 1 to 6 g/10 min (230° C., 2.16 Kg), an amount of about 11 to 30 wt % of an inorganic filler composed of a mixture of an amount of about 10 to 20 wt % of talc and an amount of about 1 to 10 wt % of whisker, and an amount of about 1 to 5 wt % of an anti-scratch agent, all the wt % are based on the total weight of the polypropylene resin composition.
    Type: Application
    Filed: October 19, 2018
    Publication date: June 6, 2019
    Inventors: Kyeong Hoon Jang, Boo Youn An, In Soo Han, Dae Sik Kim, Seul Yi, Byoung Ho Lee, Choul Ho Kim
  • Publication number: 20190165610
    Abstract: A wireless power transmitter includes a first resonance circuit having first resonance characteristics; a second resonance circuit having second resonance characteristics different from the first resonance characteristics; a first inverter configured to provide alternating current (AC) power to the first resonance circuit using an input direct current (DC) power; a second inverter configured to provide the AC power to the second resonance circuit using the input DC power; and a controller configured to control the first inverter and the second inverter to cause the first resonance circuit to wirelessly transmit power, and to cause the second resonance circuit to transmit an external object sensing signal while the first resonance circuit wirelessly transmits power.
    Type: Application
    Filed: July 9, 2018
    Publication date: May 30, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yun Ki HONG, Joung Ho SON, Eun Young SHIN, Dae Sik KIM, Hyo Young KIM, Seung Won PARK