Patents by Inventor Dong Gun Lee

Dong Gun 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: 20220019757
    Abstract: A display device and a mobile terminal including the same includes a display area in which a first group of display pixels to which pixel data is written are arranged, and a sensing area in which a second group of display pixels and a plurality of sensor pixels are arranged; each of the display pixels includes a pixel circuit configured to drive a light emitting element; each of the sensor pixels includes a photosensor driving circuit configured to drive a photodiode; a low potential power voltage and a pixel driving voltage are applied to the pixel circuit and the photosensor driving circuit; a cathode electrode of the light emitting element and the cathode electrode of the photodiode share the same metal electrode, and are commonly connected to a low potential power line to which the low potential power voltage is applied.
    Type: Application
    Filed: June 28, 2021
    Publication date: January 20, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Man Hyeop HAN, Joung Mi CHOI, Dong Gun LEE
  • Patent number: 11217623
    Abstract: A light emitting device package includes a cell array having a first surface and a second surface located opposite to the first surface and including, on a portion of a horizontal extension line of the first surface, semiconductor light emitting units each including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer sequentially located on a layer surface including a sidewall of the first conductivity type semiconductor layer; wavelength converting units corresponding respectively to the semiconductor light emitting units and each arranged corresponding to the first conductivity type semiconductor layer; a barrier structure arranged between the wavelength converting units corresponding to the cell array; and switching units arranged in the barrier structure and electrically connected to the semiconductor light emitting units.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-sung Kim, Jong-uk Seo, Dong-gun Lee, Young-jo Tak
  • Patent number: 11177507
    Abstract: Provided is an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound represented by the following Chemical Formula 2: wherein R1 to R6 and R? and R? are independently of one another hydrogen or C1-C7 alkyl; L2 is ā€”(CR7R8)nā€”; R7 and R8 are independently of each other hydrogen or C1-C7 alkyl; and n is an integer of 1 to 3. Also provided is a lithium secondary battery including the electrolyte.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: November 16, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sung Yon Oh, In Haeng Cho, Dong Gun Lee, Jin Haek Yang
  • Publication number: 20210313622
    Abstract: An electrolyte for a lithium secondary battery according to exemplary embodiments of the present inventing includes an organic solvent, a lithium salt, a first additive represented by a predetermined chemical formula, and a second additive represented by a predetermined chemical formula. A protective film is formed by the additives to suppress an expansion of a lithium secondary battery and improve storage property at high temperature.
    Type: Application
    Filed: April 1, 2021
    Publication date: October 7, 2021
    Inventors: In Haeng Cho, Dong Gun Lee, Joo Hyun Lee, Sung Jin Kim
  • Publication number: 20210302828
    Abstract: A system includes a plate configured for mounting of a reflective extreme ultra-violet (EUV) mask thereon and a zone plate configured to divide EUV light into zero-order light and first-order light and to pass the zero-order light and the first-order light to the reflective EUV mask. The system further includes a detector configured to receive EUV light reflected by the EUV mask and including a zero-order light detection region configured to generate a first image signal and a first-order light detection region configured to generate a second image signal, and a calculator configured to generate a compensated third image signal from the first image signal and the second image signal. The third image signal may be used to determine a distance between mask patterns of the EUV mask.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 30, 2021
    Inventors: Ji Hoon Na, Dong Gun Lee, Hee Bom Kim
  • Patent number: 11075250
    Abstract: A light-emitting device package is provided. The light-emitting device package includes: a substrate having a first surface and a second surface, and having a first opening and a second opening spaced apart from each other; a light-emitting structure disposed on the first surface of the substrate and vertically overlapping the first opening; and an image sensor including a photoelectric conversion region, the photoelectric conversion region being disposed in the substrate and vertically overlapping the second opening. Light from the light-emitting structure is emitted toward the second surface of the substrate through the first opening.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-gun Lee, Joo-sung Kim, Jong-uk Seo, Young-jo Tak
  • Patent number: 11061322
    Abstract: A system includes a plate configured for mounting of a reflective extreme ultra-violet (EUV) mask thereon and a zone plate configured to divide EUV light into zero-order light and first-order light and to pass the zero-order light and the first-order light to the reflective EUV mask. The system further includes a detector configured to receive EUV light reflected by the EUV mask and including a zero-order light detection region configured to generate a first image signal and a first-order light detection region configured to generate a second image signal, and a calculator configured to generate a compensated third image signal from the first image signal and the second image signal. The third image signal may be used to determine a distance between mask patterns of the EUV mask.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hoon Na, Dong Gun Lee, Hee Bom Kim
  • Publication number: 20210114913
    Abstract: A glass product manufacturing apparatus and a method of manufacturing glass products are disclosed. The glass product manufacturing apparatus includes a melting vessel, a support grating configured to support an outer wall of the melting vessel, a cooling module configured to cool the outer wall of the melting vessel, on the support grating, and a support frame detachably fastened to the support grating to limit a movement of the support grating. By using the glass product manufacturing apparatus and the method of manufacturing glass products, high energy efficiency is maintained even when operating, and a defect rate is reduced.
    Type: Application
    Filed: June 18, 2019
    Publication date: April 22, 2021
    Inventors: Jang-hun An, Dong-gun Lee, Ho-Soon Lee, Seong-kuk Lee, Hyun-gyu Park
  • Publication number: 20210104642
    Abstract: In one example, a semiconductor device comprises a substrate, an optical device on a top side of the substrate, a translucent cover over the optical device, wherein the translucent cover is a unitary monolithic piece comprising a cover base and a cover pipe. and a cover structure on the top side of the substrate to support the translucent cover over the optical device. Some examples and related methods are also disclosed herein.
    Type: Application
    Filed: October 8, 2019
    Publication date: April 8, 2021
    Applicant: Amkor Technology Singapore Holding Pte, Ltd.
    Inventors: Wook Choi, Dong Gun Lee, Jong Dae Jung
  • Patent number: 10964846
    Abstract: A semiconductor light emitting device includes a first semiconductor layer of a first conductivity type on a substrate, an active layer on the first semiconductor layer, a second semiconductor layer of a second conductivity type on the active layer, the second semiconductor layer being doped with magnesium (Mg), and having an upper surface substantially parallel to an upper surface of the substrate and a side surface inclined with respect to the upper surface of the substrate, and a third semiconductor layer of the second conductivity type on the second semiconductor layer, the third semiconductor layer being doped with magnesium (Mg) at a concentration different from that of the second semiconductor layer, and having an upper surface substantially parallel to the upper surface of the substrate and a side surface inclined with respect to the upper surface of the substrate.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Gun Lee, Joo-Sung Kim, Jong-Uk Seo, Young-Jo Tak
  • Publication number: 20210050595
    Abstract: A binder for a secondary battery includes a copolymer having a first repeating unit, a second repeating unit, and a third repeating unit. A ratio of a number of the first repeating unit (A) and a sum of a number of the second repeating unit and a number of the third repeating unit (B) is 90:10 to 52:48. A ratio of the number of the second repeating unit and the number of the third repeating unit is 67:33 to 1:99. A weight average molecular weight of the copolymer is 225,000 to 2,000,000.
    Type: Application
    Filed: August 13, 2020
    Publication date: February 18, 2021
    Inventors: Joon Sup Kim, Sun Young Kim, Dong Gun Lee, Jee Hee Lee
  • Publication number: 20200303593
    Abstract: A semiconductor light emitting device includes a first conductivity-type semiconductor layer; an active layer covering a portion of the first conductivity-type semiconductor layer; and a second conductivity-type semiconductor layer covering a portion of the active layer, and sidewalls of the second conductivity-type semiconductor layer are spaced apart from sidewalls of the active layer along a horizontal direction.
    Type: Application
    Filed: September 16, 2019
    Publication date: September 24, 2020
    Inventors: Young Jo TAK, Joo Sung KIM, Jong Uk SEO, Dong Gun LEE, Yong Il KIM
  • Patent number: 10763399
    Abstract: A light emitting device package includes a light emitting structure including a first light emitting cell, a second light emitting cell, and a third light emitting cell, each of the first to third light emitting cells including an active layer to emit light of a first wavelength in a first direction and being separated from each other in a second direction, orthogonal to the first direction, a first light adjusting portion including a first wavelength conversion layer in a first recess portion of the first light emitting cell, the first wavelength conversion layer to convert light of the first wavelength to light of a second wavelength, and a second light adjusting portion including a second wavelength conversion layer in a second recess portion of the second light emitting cell, the second wavelength conversion layer to convert light of the first wavelength to light of a third wavelength.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: September 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Gun Lee, Yong Il Kim, Young Soo Park, Jin Sub Lee, Wan Tae Lim
  • Patent number: 10714667
    Abstract: A method of manufacturing a light emitting device includes forming light emitting devices on a support portion, each of the light emitting devices including first to third light emitting cells respectively emitting light of different colors; supplying test power to at least a portion of the light emitting devices using a multi-probe; acquiring an image from the light emitted from the portion of the light emitting devices to which the test power is supplied using an image sensor; identifying normal light emitting devices of the portion of the light emitting devices by determining whether a defect is present in each of the light emitting devices of the portion of the light emitting devices by comparing the image acquired by the image sensor with a reference image; and based on the identifying step, measuring optical characteristics of each of the light emitting devices identified as normal of the portion of the light emitting devices.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye Seok Noh, Young Jin Choi, Yong Il Kim, Han Kyu Seong, Dong Gun Lee, Jin Sub Lee
  • Patent number: 10707393
    Abstract: A light emitting device package including a cell array including first, second and third light emitting devices each including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, the cell array having a first surface and a second surface opposing the first surface, a light-transmissive substrate including a first wavelength conversion portion and a second wavelength conversion portion corresponding to the first light emitting device and the second light emitting device, respectively, and bonded to the first surface, and a eutectic bonding layer including a first light emitting window, a second light emitting window and a third light emitting window corresponding to the first light emitting device, the second light emitting device and the third light emitting device, respectively, and bonding the light-transmissive substrate and the first to third light emitting devices to each other may be provided.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Gun Lee, Yong Il Kim, Han Kyu Seong, Ji Hye Yeon, Jin Sub Lee, Young Jin Choi
  • Publication number: 20200185773
    Abstract: Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic fluorophosphonate compound, and a lithium secondary battery including the same.
    Type: Application
    Filed: December 4, 2019
    Publication date: June 11, 2020
    Inventors: Sung Yon Oh, Dong Gun Lee, Jin Haek Yang, In Haeng Cho
  • Publication number: 20200127333
    Abstract: Provided is an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound, and a lithium secondary battery including the electrolyte.
    Type: Application
    Filed: October 21, 2019
    Publication date: April 23, 2020
    Inventors: Sung Yon Oh, In Haeng Cho, Dong Gun Lee, Jin Haek Yang
  • Patent number: 10622513
    Abstract: A semiconductor light emitting device includes a first light emitting portion including a first semiconductor stack, as well as a first lower dispersion Bragg reflector (DBR) layer and a first upper dispersion Bragg reflector (DBR) layer, disposed above and below the first semiconductor stack, a second light emitting portion including a second semiconductor stack, as well as a second lower dispersion Bragg reflector (DBR) layer and a second upper dispersion Bragg reflector (DBR) layer, disposed above and below the second semiconductor stack, a third light emitting portion including a third semiconductor stack, as well as a third lower dispersion Bragg reflector (DBR) layer and a third upper dispersion Bragg reflector (DBR) layer, disposed above and below the third semiconductor stack, a first bonding layer disposed between the first light emitting portion and the second light emitting portion, and a second bonding layer disposed between the second light emitting portion and the third light emitting portion.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Gun Lee, Yong Il Kim, Jin Sub Lee
  • Publication number: 20200111934
    Abstract: A semiconductor light emitting device includes a first semiconductor layer of a first conductivity type on a substrate, an active layer on the first semiconductor layer, a second semiconductor layer of a second conductivity type on the active layer, the second semiconductor layer being doped with magnesium (Mg), and having an upper surface substantially parallel to an upper surface of the substrate and a side surface inclined with respect to the upper surface of the substrate, and a third semiconductor layer of the second conductivity type on the second semiconductor layer, the third semiconductor layer being doped with magnesium (Mg) at a concentration different from that of the second semiconductor layer, and having an upper surface substantially parallel to the upper surface of the substrate and a side surface inclined with respect to the upper surface of the substrate.
    Type: Application
    Filed: April 25, 2019
    Publication date: April 9, 2020
    Inventors: Dong-Gun LEE, Joo-Sung KIM, Jong-Uk SEO, Young-Jo TAK
  • Patent number: 10607877
    Abstract: A chip mounting method includes providing a first substrate including a light transmissive substrate having first and second surfaces, a sacrificial layer provided on the first surface, and a plurality of chips bonded to the sacrificial layer, obtaining first mapping data by testing the chips, the first mapping data defining coordinates of normal chips and defective chips among the chips, disposing a second substrate below the first surface, disposing the normal chips on the second substrate by radiating a first laser beam to positions of the sacrificial layer corresponding to the coordinates of the normal chips, based on the first mapping data, to remove portions of the sacrificial layer thereby separating the normal chips from the light transmissive substrate, and mounting the normal chips on the second substrate by radiating a second laser beam to a solder layer of the second substrate.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: March 31, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Sub Lee, Han Kyu Seong, Yong Il Kim, Sung Hyun Sim, Dong gun Lee