Patents by Inventor A Ra Jo

A Ra Jo 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: 20230022260
    Abstract: A quantum dot, a quantum dot composite including the quantum dot, a composition for preparing the quantum dot composite, a display panel including the quantum dot composite, and an electronic apparatus including the display panel. The quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, the semiconductor nanocrystal core having an emission peak wavelength from about 600 nm to about 650 nm, or an emission peak wavelength from about 500 nm to about 550 nm, and an area of a peak from about 400° C. to about 500° C. is 0.17 times to 0.5 times relative to an area of a peak from about 200° C. to about 300° C. in a thermogravimetric analysis (TGA) graph as determined with a differential scanning calorimeter (DSC).
    Type: Application
    Filed: July 6, 2022
    Publication date: January 26, 2023
    Inventors: Shang Hyeun PARK, Shin Ae JUN, Tae Gon KIM, Min Jong BAE, Deukseok CHUNG, A Ra JO
  • Patent number: 11521538
    Abstract: A display device includes a display area including a plurality of pixels; a low-grayscale dithering controller selecting a dither grayscale according to an input grayscale of input image data that is in a low grayscale range below a threshold grayscale, and generating dithered input image data by performing a dithering operation on the input image data of the low grayscale range based on the dither grayscale; and a display driver driving the plurality of pixels based on the dithered input image data.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: December 6, 2022
    Inventors: A Ra Jo, Kang Hee Lee
  • Patent number: 11513387
    Abstract: A polarizing plate for IPS mode and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; a first protective layer on an upper surface of the polarizer; and a second protective layer on a lower surface of the polarizer, wherein, assuming an axis of the polarizer having a high index of refraction in an in-plane direction of the polarizer is a reference axis (0°), an angle of an axis of the first protective layer having a low index of refraction in the in-plane direction thereof is in a range of about ?5° to +5°, the first protective layer has an in-plane retardation Re of about 5,000 nm or more at a wavelength of 550 nm, the second protective layer includes a positive C plate layer, and the second protective layer satisfies at least one of Relations 1 and 2.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: A Ra Jo, Beom Deok Lee, Seung Mi Shin, Seong Hoon Lee, Wan Taek Hong
  • Patent number: 11487394
    Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: November 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Hui Kim, Ga Young Kim, A Ra Jo
  • Publication number: 20220326813
    Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 13, 2022
    Inventors: Choon Hyop LEE, Kang Won LEE, Ga Young KIM, Jang Hui KIM, A Ra JO
  • Publication number: 20220282153
    Abstract: A color conversion panel that includes a color conversion layer including two or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the color conversion panel. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures further include aluminum and chlorine, and a mole ratio of aluminum to sulfur (Al:S) is less than about 0.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Inventors: Tae Gon KIM, Hyeyeon YANG, A Ra JO, Sue In CHAE, Sung Jun PARK, Hyokeun PARK, Shin Ae JUN
  • Publication number: 20220283345
    Abstract: A color conversion panel includes a color conversion layer including a color conversion region, and optionally, a partition wall defining the region of the color conversion layer. The color conversion region includes a first region corresponding to a green pixel, and the first region includes a first composite that is configured to emit a green light and includes a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide, the Group III-V compound includes indium, phosphorus, and optionally zinc, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures do not include cadmium. and at least a portion of surfaces of the luminescent nanostructures includes the second semiconductor nanocrystal.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Inventors: Taekhoon KIM, Tae Gon KIM, Hyeyeon YANG, Jongmin LEE, Shin Ae JUN, Deuk Kyu MOON, A Ra JO, Jooyeon AHN, Nayoun WON, Mi Hye LIM
  • Publication number: 20220253179
    Abstract: An input sensing device includes a plurality of first sensing electrodes having a plurality of first sensor units extending in a first direction. A plurality of second sensing electrodes has a plurality of second sensor units extending in a second direction different from the first direction. A first strain gauge includes a first force electrode located proximate to a first electrode of the plurality of first sensing electrodes. A second force electrode is located proximate to a second electrode of the plurality of first sensing electrodes. A first connecting electrode connects to both of the first force electrode and the second force electrode.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 11, 2022
    Inventors: JANG HUI KIM, HYUNG CHUL KIM, A RA JO
  • Publication number: 20220244803
    Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.
    Type: Application
    Filed: April 18, 2022
    Publication date: August 4, 2022
    Inventors: Ga Young KIM, Jang Hui Kim, A Ra Jo
  • Patent number: 11399557
    Abstract: The present invention relates to low-calorie hot sauces, and more particularly, to hot sauces containing hot spices, acid-resistant thickeners and low-calorie or calorie-free saccharides.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: August 2, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: A-ra Jo, Bong Chan Kim, Si Young Kim, Kyung Soon Park, Su Youn Lim, Se Ra Hong
  • Patent number: 11372508
    Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: June 28, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choon Hyop Lee, Kang Won Lee, Ga Young Kim, Jang Hui Kim, A Ra Jo
  • Publication number: 20220157220
    Abstract: A display device includes a display area including a plurality of pixels; a low-grayscale dithering controller selecting a dither grayscale according to an input grayscale of input image data that is in a low grayscale range below a threshold grayscale, and generating dithered input image data by performing a dithering operation on the input image data of the low grayscale range based on the dither grayscale; and a display driver driving the plurality of pixels based on the dithered input image data.
    Type: Application
    Filed: July 21, 2021
    Publication date: May 19, 2022
    Inventors: A Ra JO, Kang Hee LEE
  • Publication number: 20220137736
    Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.
    Type: Application
    Filed: December 9, 2021
    Publication date: May 5, 2022
    Inventors: Jang Hui KIM, Ga Young KIM, Do lk KIM, Sang Chul LEE, A Ra JO
  • Patent number: 11314366
    Abstract: An input sensing device includes a plurality of first sensing electrodes having a plurality of first sensor units extending in a first direction. A plurality of second sensing electrodes has a plurality of second sensor units extending in a second direction different from the first direction. A first strain gauge includes a first force electrode located proximate to a first electrode of the plurality of first sensing electrodes. A second force electrode is located proximate to a second electrode of the plurality of first sensing electrodes. A first connecting electrode connects to both of the first force electrode and the second force electrode.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Hui Kim, Hyung Chul Kim, A Ra Jo
  • Patent number: 11307699
    Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: April 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ga Young Kim, Jang Hui Kim, A Ra Jo
  • Publication number: 20220099876
    Abstract: An optical laminate and an optical display apparatus including the same are provided. An optical laminate includes: a polarizer; and a first protective layer and a retardation layer stacked on a light incidence surface of the polarizer, the retardation layer including at least a positive C layer, and a laminate of the first protective layer and the retardation layer having a photoelastic coefficient of about 2×10?13 cm2/dyne or less and a modulus of about 2,000 MPa to about 4,000 MPa, as measured in an absorption axis direction of the polarizer in the optical laminate.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Inventors: Seung Mi SHIN, Beom Deok LEE, Seong Hoon LEE, Seon Gyeong JEONG, A Ra JO, Wan Taek HONG
  • Publication number: 20220099873
    Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizer; and a first protective layer and a second protective layer sequentially stacked on a surface of the polarizer, and the second protective layer includes a positive C retardation layer, the positive C retardation layer having a thickness of about 10 ?m or less, an index of refraction of about 1.50 to about 1.55, and a glass transition temperature (Tg) of about 150° C. to about 250° C.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 31, 2022
    Inventors: A Ra JO, Beom Deok LEE, Seon Gyeong JEONG, Seong Hoon LEE, Seung Mi SHIN, Wan Taek HONG
  • Patent number: 11231825
    Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: January 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Hui Kim, Ga Young Kim, Do Ik Kim, Sang Chul Lee, A Ra Jo
  • Publication number: 20210398930
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Application
    Filed: May 24, 2021
    Publication date: December 23, 2021
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
  • Publication number: 20210397043
    Abstract: A polarizing plate for IPS mode and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; a first protective layer on an upper surface of the polarizer; and a second protective layer on a lower surface of the polarizer, wherein, assuming an axis of the polarizer having a high index of refraction in an in-plane direction of the polarizer is a reference axis (0°), an angle of an axis of the first protective layer having a low index of refraction in the in-plane direction thereof is in a range of about ?5° to +5°, the first protective layer has an in-plane retardation Re of about 5,000 nm or more at a wavelength of 550 nm, the second protective layer includes a positive C plate layer, and the second protective layer satisfies at least one of Relations 1 and 2.
    Type: Application
    Filed: June 16, 2021
    Publication date: December 23, 2021
    Inventors: A Ra JO, Beom Deok LEE, Seung Mi SHIN, Seong Hoon LEE, Wan Taek HONG