Patents by Inventor Mangeun Kim

Mangeun 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: 20240427191
    Abstract: A display device including a liquid crystal panel, a backlight unit providing light to the liquid crystal panel, and a lower cover, wherein the backlight unit is disposed between the liquid crystal panel and the lower cover, and wherein the backlight unit includes a first circuit substrate and a second circuit substrate on the lower cover, a plurality of light sources disposed on the first circuit substrate and a second circuit substrate, a gap between the first circuit substrate and a second circuit substrate, a reflection layer disposed on the first circuit substrate, a second circuit substrate and the gap, a first adhesive disposed between the first circuit substrate and the reflection layer, and a second adhesive disposed between the second circuit substrate and the reflection layer, wherein the first and second circuit substrates and the reflection layer are partially connected through the first and second adhesive.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 12111538
    Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on a first portion of the circuit substrate; a reflection layer disposed on a second portion of the circuit substrate; a first adhesive disposed between the second portion of the circuit substrate and the reflection layer; a light regulator including light regulating patterns disposed in the reflection layer; and an optical sheet disposed on the light sources.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: October 8, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20240247423
    Abstract: A method of controlling a laundry treatment apparatus includes measuring a temperature of clothes, calculating a temperature amplitude according to the measured temperature of the clothes, classifying a temperature amplitude according to a reference value to classify the clothes into dry and wet clothes, calculating a first ratio as a ratio of the dry and wet clothes of the clothes, calculating a second ratio for normalizing the measured temperature, and determining a drying level of the clothes using the first ratio and the second ratio.
    Type: Application
    Filed: June 17, 2022
    Publication date: July 25, 2024
    Inventors: Mangeun KIM, Hyunjin PARK, Jaehoon CHUNG
  • Publication number: 20240200256
    Abstract: A laundry treatment apparatus includes a cabinet, a drum that is rotatably provided inside the cabinet, a support panel provided on a front surface of the drum, and an infrared sensor installed on the support drum, provided in a direction facing the drum, and configured to receive heat inside the drum. The infrared sensor measures a temperature inside the drum, is disposed at a center based on right and left sides of the drum, and is disposed at an upper end of the support panel.
    Type: Application
    Filed: June 17, 2022
    Publication date: June 20, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyojin JOO, Younghoon KIM, Mangeun KIM, Jinseong HWANG
  • Publication number: 20230340714
    Abstract: Provided are an apparatus and method for measuring humidity of an object to be dried in a dryer. The apparatus for measuring the humidity for the dryer includes a capacitance measuring sensor configured to measure an amount of capacitance change that is changed due to humidity of an object to be dried, which is put into the dryer; a shield configured to shield noise generated in the dryer; and a processor electrically connected to the capacitance measuring sensor and the shield, wherein the processor is configured to apply a second signal having the same waveform and the same voltage to the capacitance measuring sensor and the shield and acquire the amount of capacitance change, based on the first signal output from the capacitance measuring sensor so as to measure an amount of humidity change of the object to be dried.
    Type: Application
    Filed: August 9, 2022
    Publication date: October 26, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Byeonggeun KANG, Mangeun KIM, Hyunjin PARK
  • Publication number: 20230039615
    Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on a first portion of the circuit substrate; a reflection layer disposed on a second portion of the circuit substrate; a first adhesive disposed between the second portion of the circuit substrate and the reflection layer; a light regulator including light regulating patterns disposed in the reflection layer; and an optical sheet disposed on the light sources.
    Type: Application
    Filed: October 26, 2022
    Publication date: February 9, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 11513390
    Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, a width of the light regulating pattern changes along the edge of the reflection layer.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: November 29, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20220128862
    Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, a width of the light regulating pattern changes along the edge of the reflection layer.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 11249344
    Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulating pattern changes in size as a distance from the light source changes.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: February 15, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20210181581
    Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulating pattern changes in size as a distance from the light source changes.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 17, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 10962833
    Abstract: A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the plurality of light sources. Further, the light regulator includes a reflector portion reflecting light from the plurality of light sources; and an absorber portion having holes arranged in a pattern. In addition, light emitted from a respective light source close to the edge passes through the holes.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: March 30, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20200232853
    Abstract: A non-contact type infrared temperature sensor module according to an embodiment of the present invention can comprise: a case of which a portion of an upper surface is opened and having an accommodation space formed therein; a base having an upper surface coupled to the case; a cover window provided on the upper surface of the case and sealing the opened portion of the case; an infrared temperature sensor provided on the upper surface of the base and sensing the temperature of an object by receiving light transmitted from the cover window; and a first capping unit coupled to an upper portion of the infrared temperature sensor and blocking heat transmitted from the accommodation space.
    Type: Application
    Filed: August 24, 2016
    Publication date: July 23, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyojin Nam, Kyoungwoo Jo, Mangeun Kim, Seungwoo Ham
  • Publication number: 20200201120
    Abstract: A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the plurality of light sources. Further, the light regulator includes a reflector portion reflecting light from the plurality of light sources; and an absorber portion having holes arranged in a pattern. In addition, light emitted from a respective light source close to the edge passes through the holes.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 10613383
    Abstract: A lighting device includes a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer. Further, a first area at a corner of the reflection layer absorb more light emitted from the light sources than second areas neighboring the first area; and an optical sheet disposed on the light sources.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: April 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Patent number: 10353242
    Abstract: A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulator includes absorber portions and reflector portions located between the absorber portions, the absorber portion is located in a portion of the light regulator corresponding to an outermost light source, and the reflector portion is located in a portion of the light regulator corresponding to an inner light source inwardly located than the outermost light source.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: July 16, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20190179199
    Abstract: A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulator includes absorber portions and reflector portions located between the absorber portions, the absorber portion is located in a portion of the light regulator corresponding to an outermost light source, and the reflector portion is located in a portion of the light regulator corresponding to an inner light source inwardly located than the outermost light source.
    Type: Application
    Filed: February 19, 2019
    Publication date: June 13, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 10274163
    Abstract: Disclosed is a backlight unit comprising: a reflecting plate having a light source seated thereon; a first metal pattern formed on one surface of the reflecting plate so as to make contact with the light source; and a second metal pattern formed on the other surface of the reflecting plate and electrically connected to the first metal pattern.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: April 30, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Mangeun Kim, Sangcheon Kim, Taegu Kang, Seongman Jeon, Hyunho Lee, Kyoungwoo Jo, Yongjin Kim
  • Publication number: 20190113807
    Abstract: A lighting device includes a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer. Further, a first area at a corner of the reflection layer absorb more light emitted from the light sources than second areas neighboring the first area; and an optical sheet disposed on the light sources.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 18, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Patent number: 10211186
    Abstract: A light emitting device package assembly including a first substrate, a plurality of light emitting device packages disposed on the first substrate, and a light conversion member disposed on the light emitting device packages. Each of the light emitting device packages includes a main body disposed on the first substrate and including a first cavity, a light source disposed in the first cavity, and a first matrix disposed in the first cavity. Further, the light conversion member includes a second substrate including a plurality of second cavities, a second matrix disposed in the second cavities, and first light conversion particles disposed in the second matrix.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: February 19, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Seongman Jeon, Moongoo Choi, Mangeun Kim, Jinwoo Sung
  • Patent number: 10185178
    Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer, wherein first areas aligned with the respective light sources have a greater density of the plurality of absorbers than second areas between the first areas; and an optical sheet disposed on the light sources. In addition, a central axis of a corresponding first area matches a central axis of a corresponding light source.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: January 22, 2019
    Assignee: LG ELECTRONIC INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim