Patents by Inventor BYUNG HAN YOO

BYUNG HAN YOO 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: 20220335742
    Abstract: An electronic device includes a display panel, a biometric information sensing layer disposed under the display panel and including a sensor, and an optical pattern layer disposed between the display panel and the biometric information sensing layer and including a plurality of transmissive portions and a light blocking portion. The light blocking portion includes a light blocking layer disposed on the biometric information sensing layer, an intermediate layer disposed on the light blocking layer, and a metal layer disposed on the intermediate layer.
    Type: Application
    Filed: February 22, 2022
    Publication date: October 20, 2022
    Inventors: TAESUNG KIM, YUNJONG YEO, HYUNMIN CHO, BOKWANG SONG, BYUNG HAN YOO
  • Publication number: 20220199698
    Abstract: The display device includes a display panel and an input detection member. The input detection member includes a first conductive pattern, a first insulating layer covering the first conductive pattern, a second conductive pattern disposed on the first insulating layer, and a second insulating layer covering the second conductive pattern. Both the first insulating layer and the second insulating layer include an organic material. The refractive index of the second insulating layer is greater than that of the first insulating layer.
    Type: Application
    Filed: September 23, 2019
    Publication date: June 23, 2022
    Inventors: Jungha SON, Gee-Bum KIM, Sangwoo KIM, Kijune LEE, Taekyung AHN, Byung Han YOO, Jaeik LIM, Chaungi CHOI
  • Publication number: 20220149108
    Abstract: Provided is a display device including a display layer which includes an active area and a peripheral area adjacent to the active area, a biometric information sensing layer disposed below the display layer and including a sensor, and an optical pattern layer disposed on an optical pattern plane between the biometric information sensing layer and the display layer and including a light blocking part and a transmission part having higher light transmittance than the light blocking part, wherein an upper surface of the light blocking part is concave, and recessed away from the optical pattern plane.
    Type: Application
    Filed: July 2, 2021
    Publication date: May 12, 2022
    Inventors: BYUNG HAN YOO, Hongsick Park, Kijune Lee, Seokhyun Lim, Hyunmin Cho, Dae-Young Lee
  • Publication number: 20220093668
    Abstract: A display apparatus includes a biometric information sensing layer including a sensor, a display module disposed on the biometric information sensing layer and including a plurality of pixels, and an optical pattern layer disposed between the biometric information sensing layer and the display module and including a light shielding part and a transmission part. The light shielding part includes a plurality of light shielding layers. The transmission part has a light transmittance greater than a light transmittance of the light shielding part. A plurality of holes is defined in each of the light shielding layers. The transmission part fills the holes and portions between the light shielding layers.
    Type: Application
    Filed: July 1, 2021
    Publication date: March 24, 2022
    Inventors: Gee-Bum Kim, Chaungi Choi, Byung Han Yoo, Dae-Young Lee, Yunjong Yeo, Hyunmin Cho
  • Publication number: 20220077427
    Abstract: A display device includes: a substrate; a bank layer on the substrate, and defining a light-emitting area; an organic light-emitting layer in the light-emitting area; a thin-film sealing layer covering the organic light-emitting layer and the bank layer; an inorganic layer including a base part on the thin-film sealing layer, and a protruding pattern part protruding from the base part in a thickness direction and including a lateral surface having a reverse taper angle; a first low refractive organic layer on the base part of the inorganic layer; and a high refractive organic layer covering the first low refractive organic layer and the inorganic layer. A lateral surface of the first low refractive organic layer contacts the lateral surface of the protruding pattern part, and an upper surface of the first low refractive organic layer protrudes more than an upper surface of the protruding pattern part in the thickness direction.
    Type: Application
    Filed: October 25, 2019
    Publication date: March 10, 2022
    Inventors: Ki June LEE, Sang Woo KIM, Jung Ha SON, Byung Han YOO, Gee Bum KIM, Tae Kyung AHN, Jae Ik LIM, Chaun Gi CHOI
  • Publication number: 20220069034
    Abstract: A display device includes: a sensor configured to detect a user's biometric information; a display panel including a substrate disposed on the sensor, a pixel defining layer disposed on the substrate, and a light emitting element disposed in an opening of the pixel defining layer, wherein the display panel has a transmission area that overlaps the sensor when viewed from a plane; and an optical layer comprising a hole that overlaps the transmission area.
    Type: Application
    Filed: May 7, 2021
    Publication date: March 3, 2022
    Inventors: BYUNG HAN YOO, KYOUNGWON KWAK, JIHYE KIM, KEE HYUN NAM, KIJUNE LEE, DAE-YOUNG LEE, DUK-WOON CHOI
  • Publication number: 20220043995
    Abstract: A fingerprint sensor for a display device includes a light sensing layer including a light sensing element, and an optical layer including a light transmitter disposed in a light-transmitting area and a light blocker disposed in a light-blocking area. The light-transmitting area includes a plurality of unit light-transmitting areas separated by the light-blocking area, and each of the unit light-transmitting areas has a first width and the light-blocking area has a second width, the first width being in a range of about 5 times to about 200 times the second width.
    Type: Application
    Filed: July 1, 2021
    Publication date: February 10, 2022
    Inventors: Bo Kwang SONG, Gee Bum KIM, Byung Han YOO, Dae Young LEE
  • Publication number: 20220028934
    Abstract: A display device includes a display panel, and a sensor panel under the display panel, and including a fingerprint sensor, a proximity sensor between the fingerprint sensor and an edge of the sensor panel, and an illuminance sensor between the fingerprint sensor and the edge of the sensor panel, and adjacent to the proximity sensor.
    Type: Application
    Filed: May 4, 2021
    Publication date: January 27, 2022
    Inventors: SANGWOO KIM, TAEKYUNG AHN, BYUNG HAN YOO, TAEHOON YANG, DAE-YOUNG LEE
  • Publication number: 20220011904
    Abstract: Provided is a display device including a display panel having a plurality of pixel regions, a first insulating layer on the display panel, having a first refractive index, and having a plurality of first openings defined in regions which overlap the plurality of pixel regions, a second insulating layer directly on the first insulating layer and having a plurality of second openings defined in regions which correspond to the plurality of first openings, and a third insulating layer covering the display panel, the first insulating layer, and the second insulating layer and having a second refractive index higher than the first refractive index, wherein the third insulating layer may overlap the plurality of pixel regions on a plane.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 13, 2022
    Inventors: Jungha SON, Gee-Bum KIM, Sangwoo KIM, Kijune LEE, Taekyung AHN, Byung Han YOO, Jaeik LIM, Chaungi CHOI
  • Publication number: 20210357613
    Abstract: A fingerprint sensor includes a light sensing layer having a light sensing element in which a sensing current flows in response to incident light and a light guide layer disposed on the light sensing layer. The light guide layer includes first light-transmitting films spaced apart from one another, a light-blocking film disposed between the first light-transmitting films, and a second light-transmitting film disposed between each of the first light-transmitting films and the light-blocking film.
    Type: Application
    Filed: April 20, 2021
    Publication date: November 18, 2021
    Inventors: JAE IK LIM, JI HYE KIM, BYUNG HAN YOO
  • Publication number: 20210295007
    Abstract: Disclosed is a display device including a display module, and a sensor layer below the display module for detecting light reflected from the display module, and including a base layer, a sensing layer on the base layer and including a sensing element that detects the light, and an optical pattern layer between the sensing layer and the display module, and including a light-shield section defining openings arranged at intervals when viewed in a plan view, and transmission sections respectively located in the openings.
    Type: Application
    Filed: February 9, 2021
    Publication date: September 23, 2021
    Inventors: Byung Han YOO, Dae-Young LEE, Chaungi CHOI, Gee-Bum KIM, Jaeik LIM
  • Publication number: 20210210557
    Abstract: A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.
    Type: Application
    Filed: November 10, 2020
    Publication date: July 8, 2021
    Inventors: JAE IK LIM, GEE BUM KIM, BYUNG HAN YOO, DAE YOUNG LEE, CHAUN GI 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: 10915785
    Abstract: A sensor pixel includes a sensor electrode, a first transistor including a gate electrode connected to the sensor electrode and which controls a current output provided to an output line, a second transistor connected to a first voltage line and a first transistor, a third transistor connected to the first transistor and the output line, and a compensator unit which compensates a threshold voltage of the first transistor.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Seo Kim, Jae Kyoung Kim, Won Sang Park, Byeong Hee Won, Byung Han Yoo
  • Patent number: 10747343
    Abstract: A display device includes a display panel displaying an image on one surface thereof, a substrate including a first surface and a second surface, wherein the first surface faces the display panel, and a first touch sensor provided between the display panel and the substrate, wherein the substrate includes a recess on the first surface, and the first touch sensor is arranged on at least a portion of the recess.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong Hee Won, Hye Yong Chu, Young Chan Kim, Byung Han Yoo, Won Sang Park
  • Patent number: 10650220
    Abstract: A security device includes a door handle unit disposed on a door body, a cover layer including a touch sensor and covering the door handle unit, a door locking unit which controls a locking of the door body. The touch sensor may include a plurality of sensor pixels, each including a sensor electrode which forms a second capacitor with a hand of a user when a touch occurs thereon by the user. The touch sensor may generate touch information based on a change in capacitance of the second capacitor corresponding to the touch.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Han Yoo, Ki Seo Kim, Jae Kyoung Kim, Kyung Tea Park, Won Sang Park, Jong In Baek, Byeong Hee Won
  • Patent number: 10609816
    Abstract: A stretchable conductive pattern includes a plurality of first closed loop parts spaced apart from each other in a first direction, and at least one first line part extended in the first direction and connecting between adjacent first closed loop parts among the plurality of first closed loop parts.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Byung Han Yoo
  • Patent number: 10558836
    Abstract: A sensor pixel includes: a reference capacitor including a first end connected to a driving signal line and a second end connected to a first node; a touch capacitor including one electrode connected to the first node, wherein capacitance of the touch capacitor changes by touching of an external object; a first transistor including a first end connected to an initialization voltage line, a second end connected to the first node, and a control end connected to an initialization line; a second transistor including a first end for receiving a common voltage, a second end for outputting a current generated based on the common voltage, and a control end connected to the first node; and a third transistor including a first end connected to the second end of the second transistor, a second end connected to a sensing line, and a control end connected to a scan line.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: February 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Seo Kim, Jae-Kyoung Kim, Byung Han Yoo
  • Patent number: 10380404
    Abstract: A display device includes a substrate, display elements, a window, and a photo sensor array. The substrate includes a display area and a non-display area. The display elements overlap the display area. The window is disposed on the substrate. The photo sensor array is disposed between the substrate and the window. The photo sensor array is configured to sense three-dimensional pattern information (e.g., epidermal ridge information) of a user via light reflected from a touch input of the user. One or more of the display elements is configured to illuminate a contact area of the touch input with the light.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Chan Kim, Il Nam Kim, Kyung Tea Park, Byung Han Yoo, Tae Hee Lee
  • Patent number: 10374019
    Abstract: A display device includes: a display panel including a display area for displaying an image; a window provided on an upper portion of the display panel; a protection plate provided on a lower portion of the display panel; and a photosensor provided at least one of between the display panel and the window and between the display panel and the protection plate, wherein the photosensor includes a shutter for controlling light emitted by the display panel to transmit through the window or the protection plate, and a photodetector for receiving the light reflected after transmitting through the window or the protection plate.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: August 6, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Han Yoo, Young Chan Kim, Kyung Tea Park, Yong-Suk Yeo