Patents by Inventor Min-Oh Choi

Min-Oh Choi 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: 20230326235
    Abstract: A display device includes: a display panel including a light emitting element and a photosensitive element; an input sensor comprising a sensing electrode on the display panel; and an anti-reflection layer on the input sensor. The anti-reflection layer includes: a light shielding pattern having a first opening corresponding to the light emitting element and a second opening corresponding to the photosensitive element. The sensing electrode includes a plurality of line portions, the plurality of line portions includes a first line portion overlapping the light shielding pattern and arranged between the first opening and the second opening on a plane. S distance between the first line portion and an edge of the second opening is less than a distance between the first line portion and an edge of the first opening.
    Type: Application
    Filed: January 26, 2023
    Publication date: October 12, 2023
    Inventors: KWANG SOO BAE, GEE-BUM KIM, BOKWANG SONG, DAE-YOUNG LEE, MIN OH CHOI
  • Publication number: 20230329019
    Abstract: A display device includes a display module and a window disposed on the display module. The display module includes a base layer, a light emitting element disposed on the base layer, an optical sensing element disposed on the base layer, a thin film encapsulation layer that covers the light emitting element and the optical sensing element, an insulating layer disposed on the thin film encapsulation layer, a light blocking pattern disposed on the insulating layer, and a color filter disposed on the insulating layer. The insulating layer includes a first area that overlaps the light emitting element and a second area that overlaps the optical sensing element, and the second area has a thickness greater than a thickness in the first area. The light blocking pattern includes a first opening that corresponds to the light emitting element and a second opening that corresponds to the optical sensing element.
    Type: Application
    Filed: January 23, 2023
    Publication date: October 12, 2023
    Inventors: KWANG SOO BAE, Gee-Bum Kim, Bokwang Song, Dae-Young Lee, Min Oh Choi
  • Publication number: 20230320169
    Abstract: A display device includes: a substrate; a first light emitting part and a second light emitting part disposed on the substrate and emitting light; a light sensing part disposed on the substrate and sensing incident light; a first light blocking layer disposed on the first light emitting part, the second light emitting part, and the light sensing part and having a first transmission hole; and a second light blocking layer disposed on the first light blocking layer and having a second transmission hole, wherein the first transmission hole, the second transmission hole, and the first light emitting part overlap each other in a direction substantially perpendicular to an upper surface of the substrate.
    Type: Application
    Filed: January 13, 2023
    Publication date: October 5, 2023
    Inventors: Bo Kwang SONG, Gee Bum KIM, Kwang Soo BAE, Dae Young LEE, Min Oh CHOI
  • Publication number: 20230298378
    Abstract: A display device includes: a sub-pixel on a substrate and including a light emitting element; a photo-sensing pixel on the substrate and including a light-receiving element including a light-receiving layer configured to obtain a sensing signal corresponding to light emitted from the light emitting element; a touch sensor configured to obtain information about a touch input and including a conductive layer, wherein the conductive layer includes a hole area overlapping the light-receiving layer in a plan view.
    Type: Application
    Filed: February 1, 2023
    Publication date: September 21, 2023
    Inventors: Kwang Soo BAE, Gun Hee KIM, Dae Young LEE, Min Oh CHOI
  • Publication number: 20230292547
    Abstract: A display device includes: a base layer; a pixel layer on the base layer, and including a light emitting element and a light receiving element; an encapsulation layer covering the pixel layer; a black matrix on the encapsulation layer, and having a first opening corresponding to the light receiving element, and a second opening corresponding to the light emitting element; a polarizing plate on the black matrix; a wavelength pattern on the polarizing plate to delay a phase of light, the wavelength pattern overlapping with the first opening in a thickness direction, and not overlapping with the second opening in the thickness direction; an adhesive layer on the polarizing plate and the wavelength pattern; and a window on the adhesive layer.
    Type: Application
    Filed: December 7, 2022
    Publication date: September 14, 2023
    Inventors: Gee Bum KIM, Kwang Soo BAE, Bo Kwang SONG, Byung Han YOO, Dae Young LEE, Min Oh CHOI
  • Publication number: 20230263039
    Abstract: A display device includes: a display panel to display an image; and a light blocking layer over the display panel. The display panel includes: a base layer; and an element layer over the base layer, the element layer including a light emitting element, a light receiving element, and an element defining film between the light emitting element and the light receiving element. The light blocking layer includes: a light blocking portion overlapping with the element defining film in a plan view, the light blocking portion having a first light blocking opening overlapping with the light emitting element, and a second light blocking opening overlapping with the light receiving element; and a protrusion protruding from the light blocking portion toward the element defining film.
    Type: Application
    Filed: December 8, 2022
    Publication date: August 17, 2023
    Inventors: GEE-BUM KIM, BOKWANG SONG, KWANG SOO BAE, DAE-YOUNG LEE, MIN OH CHOI
  • Publication number: 20230118413
    Abstract: A display device includes: a substrate; a plurality of light emitting parts on the substrate, and to emit light; a plurality of light sensing parts on the substrate, and to sense incident light; a bank layer partitioning the plurality of light emitting parts and the plurality of light sensing parts; and a touch sensing layer including a touch electrode on the bank layer. A first distance between one light sensing part from among the plurality of light sensing parts and the touch electrode in one direction is smaller than a second distance between a first light emitting part of the plurality of light emitting parts and the touch electrode in the one direction.
    Type: Application
    Filed: July 18, 2022
    Publication date: April 20, 2023
    Inventors: Min Oh CHOI, Gee Bum KIM, Kwang Soo BAE, Bo Kwang SONG, Dae Young LEE
  • Publication number: 20230122736
    Abstract: A display device according to embodiments of the disclosure includes a base layer, a pixel layer disposed on the base layer and including a light emitting element and a light receiving element, an encapsulation layer covering the pixel layer, a black matrix disposed on the encapsulation layer and including a first opening disposed in a region corresponding to the light receiving element and a second opening disposed in a region corresponding to the light emitting element, a color filter disposed on the black matrix, a refractive layer disposed on the color filter and including a first refractive layer including a third opening disposed in a region corresponding to the first opening and a second refractive layer covering the first refractive layer, and a window disposed on the refractive layer. A cross section of the third opening has a first inclined surface.
    Type: Application
    Filed: July 26, 2022
    Publication date: April 20, 2023
    Inventors: Gee Bum KIM, Kwang Soo BAE, Bo Kwang SONG, Byung Han YOO, Dae Young LEE, Min Oh CHOI
  • Publication number: 20230083612
    Abstract: A display device includes a substrate, a plurality of light-emitting units disposed on the substrate and that emit light, a bank layer disposed on the substrate and that partitions the plurality of light-emitting units, a plurality of light-sensing units disposed on the substrate and that sense incident light, and a light-shielding layer disposed on the bank layer and that includes a light-shielding opening that overlaps each of the light-sensing units. At least a part of the light-shielding opening overlaps the bank layer.
    Type: Application
    Filed: May 3, 2022
    Publication date: March 16, 2023
    Inventors: Bo Kwang Song, Gee Bum Kim, Kwang Soo Bae, Dae Young Lee, Min Oh Choi
  • Publication number: 20210043875
    Abstract: A display device includes a sensor having a detection electrode. An optical pattern layer is disposed directly on the sensor and includes a plurality of transmission portions and a light blocking portion. A display panel is disposed on the optical pattern layer. A minimum distance between the detection electrode and the light blocking portion is in a range of 1 micrometer-5 micrometers.
    Type: Application
    Filed: June 18, 2020
    Publication date: February 11, 2021
    Inventors: Dae-Young LEE, Gee-Bum KIM, Byung Han YOO, Sangwoo KIM, Jungha SON, Taekyung AHN, Yunjong YEO, Kijune LEE, Jaeik LIM, Min Oh CHOI, Chaungi CHOI
  • Patent number: 9746708
    Abstract: A liquid crystal display panel includes a first base substrate, a wire grid polarizer disposed on the first base substrate, a lyotropic chromonic liquid crystal polarizer disposed on the first base substrate, a second base substrate facing the first base substrate and a liquid crystal layer between the first base substrate and the second base substrate.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyeong-Ha Kim, Sang-Jae Kim, Hyoung-Joo Lee, Teck-Soo Kim, Min-Oh Choi, Seung-Beom Park
  • Patent number: 9348075
    Abstract: A method of manufacturing a polarizing plate includes fabricating a base film, dyeing the base film by using iodine, stretching the base film to form a polarizing film, firstly drying the polarizing film at a first temperature, and secondly drying the polarizing film while sequentially increasing a temperature from the first temperature to a second temperature higher than the first temperature. The polarizing plate and a liquid crystal display including the same are manufactured through the above method.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: May 24, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Duckjong Suh, Jeonguk Heo, Hee Wook Do, Jung-Hun Lee, Boo-Kan Ki, Min Oh Choi, Sang-Gu Lee
  • Publication number: 20150268509
    Abstract: A liquid crystal display includes: a liquid crystal panel which displays an image on a surface thereof; two polarizing films disposed on opposing surfaces of the liquid crystal panel, respectively; two compensation films disposed between the liquid crystal panel and the two polarizing films, respectively; two protective films disposed on outer surfaces of the two polarizing films, respectively, and an anti-glare layer disposed on the two protective film in a direction of displaying the image.
    Type: Application
    Filed: January 22, 2015
    Publication date: September 24, 2015
    Inventors: Kyeongha KIM, Min Oh CHOI, Boo-Kan KI, Hee Wook DO, SEUNGBEOM PARK, YongHwan SHIN
  • Patent number: 9116392
    Abstract: A liquid crystal display including a twisted nematic liquid crystal panel and first and second substrates with the twisted nematic liquid crystal panel arranged therebetween. A first biaxial retardation compensation film faces the first substrate and a second biaxial retardation compensation film faces the first biaxial retardation compensation film with the twisted nematic liquid crystal panel arranged therebetween.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: August 25, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Oh Choi, Hee Wook Do, Duckjong Suh
  • Publication number: 20150234229
    Abstract: A liquid crystal display panel includes a first base substrate, a wire grid polarizer disposed on the first base substrate, a lyotropic chromonic liquid crystal polarizer disposed on the first base substrate, a second base substrate facing the first base substrate and a liquid crystal layer between the first base substrate and the second base substrate.
    Type: Application
    Filed: July 3, 2014
    Publication date: August 20, 2015
    Inventors: Kyeong-Ha KIM, Sang-Jae KIM, Hyoung-Joo LEE, Teck-Soo KIM, Min-Oh CHOI, Seung-Beom PARK
  • Patent number: 9052441
    Abstract: Disclosed is a dual layer prism sheet including two patterned prism sheets adhered to each other with an adhesive layer interposed therebetween. The adhesive layer includes a polymeric adhesive and a lubricant. A liquid crystal display including the dual layer prism sheet is also disclosed. Each pattern on the prism sheet is arranged to make a predetermined angle with a liquid crystal panel.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: June 9, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Hwan Hong, Jeong-Uk Heo, Ho-Yun Byun, Boo-Kan Ki, Min-Oh Choi
  • Publication number: 20150124201
    Abstract: A liquid crystal display comprises a liquid crystal panel, a polarizing film provided on at least one surface of the liquid crystal film and having a polarizing axis, and a compensation film provided between the liquid crystal panel and the polarizing plate.
    Type: Application
    Filed: May 8, 2014
    Publication date: May 7, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Boo-Kan KI, Kyeongha KIM, Min Oh CHOI, Seungbeom PARK, YongHwan SHIN
  • Patent number: 9019438
    Abstract: A 3D image display apparatus featuring a new polarization system is introduced which minimizes crosstalk between stereoimages. The polarization system includes a shutter panel that shifts the phase of an incident light, a polarizing film disposed between the shutter panel and an observer, a first retardation film disposed between the shutter panel and the polarizing film, a second retardation film disposed between the polarizing film and the first retardation film to correspond to the left eye of the observer, and a third retardation film disposed between the polarizing film and the first retardation film to correspond to the right eye of the observer.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Gu Lee, Hee Wook Do, Tecksoo Kim, Seungbeom Park, DuckJong Suh, Min Oh Choi
  • Patent number: 9001283
    Abstract: Provided is a shutter panel including a first substrate on which a plurality of electric field forming electrodes are parallel to each other, a second substrate opposed to the first substrate, and a liquid crystal layer disposed on the first and second substrates. Each of the electric field forming electrodes has both side surfaces facing the adjacent electric field forming electrodes, and both side surfaces are provided with protrusion parts protruding toward the adjacent electric field forming electrodes.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Oh Choi, Hee Wook Do, Seungbeom Park, Sang-Gu Lee, Seunghan Jo
  • Publication number: 20150085227
    Abstract: A display crystal display includes a liquid crystal display panel, a polarizing plate disposed on at least one surface of the liquid crystal display panel, and a retardation layer disposed between the liquid crystal display panel and the polarizing plate.
    Type: Application
    Filed: April 16, 2014
    Publication date: March 26, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Min Oh CHOI, Boo-Kan KI, Kyeongha KIM, Seungbeom PARK, YongHwan SHIN