Patents Assigned to Samsung Display Co., Ltd.
  • QUANTUM DOT COMPLEX, METHOD FOR PREPARING THE QUANTUM DOT COMPLEX, AND DISPLAY DEVICE INCLUDING THE QUANTUM DOT COMPLEX
    Publication number: 20240172551
    Abstract: Embodiments provide a quantum dot complex that includes a quantum dot, and ligands bonded to a surface of the quantum dot, wherein the ligands include a first ligand including a first acid functional group, a second ligand including a second acid functional group and different from the first acid functional group, and a third ligand including a thiol group, wherein a sum of the first ligand and the second ligand contained in the ligands is in a range of 40% by weight to 45% by weight, based on a total weight of the ligands, and a content of the third ligand in the ligands is in a range of 15% by weight to 20% by weight, based on the total weight of the ligands.
    Type: Application
    Filed: August 11, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SEUNGHEE JANG, JAEBOK CHANG, JUO NAM, KAWON PAK, KYUNGSIG LEE
  • DISPLAY APPARATUS
    Publication number: 20240172515
    Abstract: A display apparatus includes a first pixel electrode and a second pixel electrode disposed on the first substrate, an intermediate layer disposed on the first pixel electrode and the second pixel electrode and emitting a first light, an opposite electrode disposed on the intermediate layer, a first color filter disposed on the opposite electrode and overlapping the first pixel electrode in plan view, an organic material layer disposed between the opposite electrode and the first color filter, and a second color filter disposed on the opposite electrode and overlapping the second pixel electrode in plan view, and the first light has an X-value in a range of about 0.220 to about 0.222 and a Y-value in a range of about 0.225 to about 0.309 in CIE color coordinates, and the first light passes through the organic material layer along a substantially linear path.
    Type: Application
    Filed: November 9, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Daehyeon Kim, Changmin Lee, Hyunshik Lee, Hongil Kim, Jaehoon Hwang
  • METHOD OF COMPENSATING FOR AN OUTPUT OF A DATA DRIVER
    Publication number: 20240169932
    Abstract: A method of compensating for an output of a data driver of a display device includes measuring a first output value of a sensing circuit that senses pixels by applying an external voltage to the sensing circuit, measuring second output values of the sensing circuit by applying output voltages within an output range of the data driver to the sensing circuit through output amplifiers of the data driver, generating a compensation look-up table based on the first output value and the second output values, and compensating for the output voltages of the data driver based on the compensation look-up table.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: HAYONG JUNG
  • DISPLAY DEVICE
    Publication number: 20240169900
    Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, a plurality of pixels disposed on the display area of the substrate, and a switching unit disposed on the non-display area of the substrate, connected to each of the plurality of pixels, and including a plurality of first demultiplexers and a plurality of second demultiplexers having sizes different from sizes of the plurality of first demultiplexers.
    Type: Application
    Filed: October 19, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: BONGWON LEE, DONGSOO KIM, HYUNGJUN PARK, HYUN-CHOL BANG, YOUNG-SOO YOON, TAEHYOUNG NO, YUN-KYEONG IN
  • SCAN DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20240169929
    Abstract: A scan driving circuit including scan stage circuits that each output a first carry signal and a scan signal, and sense stage circuits that each output a second carry signal and a sense signal. Each of the scan stage circuits receives the first carry signal from at least one preceding or subsequent scan stage circuit. Each of the sense stage circuits receives the second carry signal from at least one preceding or subsequent sense stage circuit. Each of the plurality of sense stage circuits receives the first carry signal from one of the at least one preceding or subsequent scan stage circuit.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Hong Kyu KIM
  • DISPLAY PANEL
    Publication number: 20240172485
    Abstract: A display panel includes a substrate including a display area and a non-display area disposed outside the display area, first to third light-emitting diodes disposed on a substrate in the display area, a metal bank layer disposed in the display area and having pixel openings, a first inorganic encapsulation layer disposed on the first light-emitting diode, a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer, a first clad layer overlapping an end of the first dummy layer, and a dam disposed on the non-display area and including a first inorganic layer and a second inorganic layer on the first inorganic layer, wherein the first inorganic layer and the first inorganic encapsulation layer include a same material, and the second inorganic layer and the first clad layer include a same material.
    Type: Application
    Filed: September 27, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyeongwoo Jang, Sungho Kim, Sewan Son, Minwoo Woo, Kwanhee Lee, Seunghyun Lee, Wangwoo Lee, Jiseon Lee, Sugwoo Jung, Hyeri Cho
  • Pressing method of a flexible printed circuit board and a substrate
    Patent number: 11991834
    Abstract: A pressing method operatively associated with a press apparatus includes: providing a first substrate connected with a flexible printed circuit board onto a stage; providing a second substrate onto the stage; arranging the flexible printed circuit board on the second substrate; pressing a pad electrode-free area of the flexible printed circuit board; and pressing first pad electrodes of the flexible printed circuit board and second pad electrodes of the second substrate.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae Uk Cho
  • Virtual image display device
    Patent number: 11988836
    Abstract: A virtual image display device includes first and second light combining parts spaced apart from each other, a first display part on a first inclined surface of the first light combining part, a second display part on a second inclined surface of the first light combining part, a third display part on a third inclined surface of the second light combining part, a fourth display part on a fourth inclined surface of the second light combining part, a first light diffraction part on a first light output surface of the first light combining part, and a second light diffraction part on a second light output surface of the second light combining part. Two of the first to fourth display parts output images of a same color light, and the other two of the first to fourth display parts output images of different color light.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaeho You, Youngchan Kim
  • Display device and operating method thereof
    Patent number: 11989371
    Abstract: A display device includes a display panel, an input sensor having a plurality of first sensing electrodes and a plurality of second sensing electrodes, and a readout circuit that includes a noise filter electrically connected to the plurality of first sensing electrodes and the plurality of second sensing electrodes to remove noise of a receiving signal received from the plurality of first sensing electrodes and the plurality of second sensing electrodes. The readout circuit determines which of the first sensing electrodes are influenced by a touch based on the receiving signal as influenced electrodes, during a first sensing mode. The readout circuit adjusts a passband of the noise filter based on the number of influenced electrode and transmits a transmitting signal to the influenced electrodes, during a second sensing mode.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sanghyun Heo, Jiwoong Kim, Hyunggun Ma, Kyungtea Park, Seongan Park, Seongjoo Lee, Taehun Lee
  • Optical device
    Patent number: 11988834
    Abstract: An optical device includes: a lens including a first lens portion having a first curved surface with a first curvature and a second lens portion having a second curved surface corresponding to the first curved surface; a display device disposed on a first side surface of the lens; a convex lens disposed between the first side surface of the lens and the display device; and a reflector disposed on the first curved surface of the first lens portion of the lens, the reflector configured to reflect light of the display device refracted by the convex lens toward a user's eye.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ju Hwa Ha, Jae Joong Kwon, Jeong Woo Park, Su Bin Jung
  • Protective film and method for fabricating display device
    Patent number: 11991848
    Abstract: A protective film includes a panel protective film, a first protective film disposed on a surface of the panel protective film and covering the surface of the panel protective film, the first protective film having a surface and an opposite surface facing the panel protective film, and a second protective film disposed on an opposite surface of the panel protective film and covering the opposite surface of the panel protective film, the second protective film having a surface facing the panel protective film and an opposite surface opposed to the surface of the second protective film, wherein the first protective film includes a first film layer, a first adhesive layer disposed on the opposite surface of the first film layer, and a blocking layer disposed on an opposite surface of the first adhesive layer along an edge of the first adhesive layer.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Dong Su Yee
  • Display device and sensing system including the same
    Patent number: 11989602
    Abstract: A display device is disclosed that includes a plurality of pixels and a plurality of code pixels. The pixels include light-emitting elements, which display an image. The code pixels are disposed in the same layer as the pixels and are adjacent to a reference point disposed between the pixels. The code pixels include infrared light-emitting elements, which emit infrared light. At least one of the code pixels, disposed in a particular direction from the reference point, emit the infrared light to provide a code pattern having position information.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee
  • Display device and position input system including the same
    Patent number: 11989381
    Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee, Dong Hee Choi
  • Light-emitting device including condensed cyclic compound and electronic apparatus including the light-emitting device
    Patent number: 11991925
    Abstract: Provided are a light-emitting device including a condensed cyclic compound represented by Formula 1-1 or 1-2, and an electronic apparatus including the light-emitting device. The light emitting device includes: a first electrode; a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and comprising an emission layer, where the interlayer further comprises a hole transport region between the first electrode and the emission layer, the hole transport region comprises a compound represented by Formula 201, a compound represented by Formula 202, or any combination thereof, and the emission layer comprises at least one condensed cyclic compound represented by Formula 1-1 or 1-2.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Taeil Kim, Sunyoung Pak, Junha Park, Jangyeol Baek, Chanseok Oh, Minjung Jung
  • Display device
    Patent number: 11990068
    Abstract: A display device includes: a display panel including a plurality of pixels, which displays an image; a first circuit board connected to the display panel and which provides a first signal to the display panel; a second circuit board, which provides a second signal to the first circuit board, and a connection board, which electrically connects the first circuit board to the second circuit board and includes a connection portion connected to the first circuit board and the second circuit board. The second circuit board includes a connection detection circuit, which detects a connection status of the connection portion and generates a detection signal.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Sik Lee, Keunoh Kang, Sanghyun Lee
  • Display apparatus and method of driving the same
    Patent number: 11990091
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver provides a gate signal to the pixel. The data driver provides a data voltage to the pixel. The emission driver provides an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element which applies a driving current to the light emitting element, a storage capacitor connected to a control electrode of the driving switching element and a bias capacitor including a first electrode connected to the storage capacitor and a second electrode which receives a bias gate signal. A waveform of the bias gate signal varies based on an off ratio representing a ratio of an off period of the emission signal in a frame period.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junhyun Park, Jangmi Kang, Hyeongseok Kim, Soil Yoon, Minjae Jeong, Mukyung Jeon
  • Display device
    Patent number: 11989053
    Abstract: A display device includes a display panel that has a display region in which an image is displayed, a first adhesive layer disposed below the display panel, a translucent protective film disposed below the first adhesive layer, a fingerprint sensor disposed below the protective film and that overlaps the display region, the first adhesive layer, and the protective film when viewed in a plane, and a cover layer disposed below the protective film and in which an opening for accommodating the fingerprint sensor is formed.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Wook We, Hye-Sung Kim
  • Display device
    Patent number: 11990093
    Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Su Na, Yang Wan Kim, Jung Hun Yi, Min Woo Byun
  • Electrostatic chuck, etching apparatus, and method of manufacturing display device
    Patent number: 11990361
    Abstract: The chuck for supporting a target substrate for a display device, the chuck includes: a base having a first surface to support an object and a second surface opposite the first surface, the first surface including a first area and a second area; and indentations formed in the second area and recessed from the first area in a thickness direction of the base. The indentations include a first indentation extending in a first direction and a second indentation extending in a second direction intersecting the first direction.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Sun Jang, Tae Hun Kim, Do Hwan Kim, Jae Han Kim, Seung Ho Myoung, Dae Young Oh, Gyeong Hee Han
  • Display device
    Patent number: D1027889
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woo Won Lee, Hyun Gu Kim, Dong Ik Shim, Hyeon Sook Jeong