Patents Assigned to Samsung Display Co., Ltd.
  • Patent number: 11984057
    Abstract: A display device includes a display panel, controller configured to generate a second data enable signal and second image data based on a first data enable signal and first image data, and generate an output data enable signal and output image data by performing a black data insertion operation, and data driver configured to provide data signals based on the output data enable signal and the output image data, where the controller obtains a delay time between the first data enable signal and the second data enable signal or the first image data and the second image data, determines a number of subsequent pulses of the output data enable signal during a period from one time point within a frame period to an end time point of the frame period, and adjusts a cycle of the subsequent pulses based on the delay time and the number of the subsequent pulses.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungyoung Choi, Seongjun Kim, Jae Woo Ryu, Youngsoo Sohn, Kwan-Young Oh
  • Patent number: 11985860
    Abstract: A display device may include a substrate, a display element, and an organic insulating layer. The substrate may include a first area, a second area, and a bent area. The bent area may be connected between the first area and the second area, may be bent according to a bending axis, and may be narrower than the first area in a direction parallel to the bending axis. The display element may overlap the substrate. The organic insulating layer may be spaced from the display element, may be arranged at an edge of the substrate, and may only partially overlap a first face of the substrate. A face of the organic insulating layer may be coplanar with a second face of the substrate.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Kyongjun Kim
  • Patent number: 11985846
    Abstract: A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dal Ho Kim, Hee Seong Jeong, Won Ju Kwon, Sun Hwa Kim, Hyang Ki Sung, Na Ri Heo, Sang Min Hong
  • Patent number: 11985863
    Abstract: A display device includes a first electrode disposed on a substrate, a pixel defining layer exposing at least a part of the first electrode and disposed on the substrate, a light emitting layer disposed on the first electrode, a second electrode disposed on the light emitting layer, and an encapsulation layer disposed on the second electrode, wherein the pixel defining layer includes an overlapping area overlapping the first electrode and a non-overlapping area not overlapping the first electrode, the overlapping area includes a first overlapping area spaced apart from the first electrode and facing the first electrode, and the encapsulation layer is at least partially disposed in a space between the first electrode and the pixel defining layer in the first overlapping area.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Yong Sung, Chan Ho Moon, Jung Han Seo, Seung Yong Song
  • Publication number: 20240154064
    Abstract: A display device includes: a base layer; and light emitting elements disposed on the base layer, the light emitting elements including an N-type semiconductor layer, a P-type semiconductor layer, and an active layer disposed between the N-type and P-type semiconductor layers. The light emitting elements include a first light emitting element emitting light of a first color and a second light emitting element emitting light of a second color. The N-type semiconductor layer includes a first N-type semiconductor layer of the first light emitting element and a second N-type semiconductor layer of the second light emitting element. The active layer includes a first active layer of the first light emitting element and a second active layer of the second light emitting element. The first and second N-type semiconductor layers are integral with each other, and form a plane surface in an area where the active layer is disposed.
    Type: Application
    Filed: May 1, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Su Jeong KIM, Dae Hong MIN
  • Publication number: 20240155772
    Abstract: An apparatus for manufacturing a display device comprises: a stage on which a target substrate is disposed and a bending unit configured to bend the target substrate and attach a first portion of the target substrate to a second portion of the target substrate, wherein the bending unit includes a support member extending in a first direction, an adsorption part disposed on the support member and including a first adsorption part and a second adsorption part that adsorb the target substrate, and a first rotation driving part configured to rotate the adsorption part about a rotation axis extending in a second direction intersecting the first direction.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: DONGWOO KIM, SANGHOON PARK, MYUNGGIL CHOI
  • Publication number: 20240154079
    Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate and spaced apart from each other. A light emitting element is disposed between the first electrode and the second electrode. A first pixel electrode is disposed on the first electrode, and is electrically connected to a first end portion of the light emitting element and the first electrode. A second pixel electrode is disposed on the second electrode, and is electrically connected to a second end portion of the light emitting element. Each of the first electrode and the second electrode includes a multi-layer structure including a first layer and a second layer disposed on the first layer. The first layer includes a metal reflecting light. The second layer includes tungsten oxide.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun Eok SHIN, Ju Hyun LEE, Sung Joo KWON, Joon Yong PARK
  • Publication number: 20240154066
    Abstract: Embodiments provide an emissive display device including a light emitting diode that includes a first circuit part disposed in a display area and a cathode electrically connected to the first circuit part; and a non-emissive element that includes a second circuit part disposed in the display area and a cathode electrically connected to the second circuit part, and the cathode of the non-emissive element is separated from the cathode of the light emitting diode by a separator.
    Type: Application
    Filed: October 24, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Chung Sock CHOI, Byung Han YOO, Yoo Min KO, Ju Chan PARK, Dae-Young LEE
  • Publication number: 20240155910
    Abstract: A pixel includes first, second, and third sub-pixels each including an emission area and a non-emission area. Each of the first, second, and third sub-includes a pixel circuit layer; a first electrode on the pixel circuit layer; a pixel defining layer on the first electrode and including an opening to expose an area of the first electrode; an emission layer on the pixel defining layer; a second electrode on the emission layer; a thin film encapsulation layer over the second electrode; a color filter on the thin film encapsulation layer; and an overcoat layer over the color filter. The overcoat layer has a refractive index greater than a refractive index of the color filter. A color filter of the second sub-pixel overlaps a color filter of each of the first and third sub-pixels in the non-emission area.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Tae Ho KIM, Hyeo Ji KANG, Oh Jeong KWON, Su Jeong KIM, Mi Hwa LEE, Hong Yeon LEE, Sung Gyu JANG, Seung Yeon JEONG
  • Publication number: 20240153923
    Abstract: A display device includes a first pixel including a first emission area; a second pixel including a second emission area spaced apart from the first emission area in a second direction; and a bank defining a non-emission area between the first emission area and the second emission area. Each of the first pixel and the second pixel includes at least one dummy electrode spaced apart from each other in a first direction intersecting the second direction and extending in the second direction; light emitting elements disposed between the at least one dummy electrode in an emission area; a first pixel electrode electrically connected to a first driving power source and first ends of the light emitting elements; and a second pixel electrode electrically connected to a second driving power source and second ends of the light emitting elements.
    Type: Application
    Filed: June 5, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Veidhes BASRUR, Guang Hai JIN, Ki Nyeng KANG
  • Publication number: 20240150645
    Abstract: Embodiments provide a method of manufacturing a quantum dot-containing complex that includes preparing quantum dots, reacting the quantum dots with a first ligand, and reacting a resultant product of the reaction between the quantum dots and the first ligand with a second ligand, wherein the first ligand is a compound having a pKa value less than or equal to about 8, and the second ligand is a compound having a pKa value greater than about 8.
    Type: Application
    Filed: May 30, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jaebok Chang, Kyungsig Lee, Seunghee Jang, Seihwan Ahn, Sanghee Yu
  • Publication number: 20240154073
    Abstract: According to embodiments, a light-emitting display device includes a light-emitting diode that emits blue light and green light, a color conversion layer on the light-emitting diode, and a scattering absorption layer disposed between the color conversion layer and the light-emitting diode and that transmits blue light and green light.
    Type: Application
    Filed: September 12, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Gak Seok LEE, Byung-Chul KIM, Jang Wi RYU, Jae Min SEONG, Keun Chan OH, Sang Hun LEE, HALIM JI
  • Publication number: 20240153459
    Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Ki CHUN, Ji Hyun KA, Min Seok BAE, Chang Bin IM, Chae Han HYUN
  • Publication number: 20240155791
    Abstract: A display device includes a display module, first and second bodies disposed below the display module and arranged in a first direction in an unfolded state, a hinge which is disposed between the first and second bodies and in which first and second rotary axes extending parallel to each other in a second direction intersecting the first direction are defined, and a hinge bar coupled to the hinge and extending in the second direction. The first and second bodies may rotate around the first and second rotary axes, respectively, to be in an in-folded state in which front surfaces of the first and second bodies face each other, or in an out-folded state in which rear surfaces of the first and second bodies face each other. A distance between the first and second rotary axes and the hinge bar in the unfolded is different than in in-folded states.
    Type: Application
    Filed: August 15, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventor: JUNGIL LEE
  • Publication number: 20240155885
    Abstract: Provided is a display device. A display device includes a display area and a buffer area disposed around the display area, a pixel electrode disposed on a substrate and in the display area, a bank covering an edge of the pixel electrode, light emitting elements disposed on the pixel electrode and extending in a thickness direction of the substrate, and a buffer disposed on the substrate and in the buffer area. The bank and the buffer are disposed on a same layer.
    Type: Application
    Filed: July 25, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hun NOH, Su Jin LEE, Bon Yong KOO, Ki Seong SEO, Ju Won YOON
  • Publication number: 20240155926
    Abstract: A display device of a tiled display includes a first substrate including an opening hole, a laser absorption layer disposed on the first substrate, including amorphous silicon, and multiple first contact holes, a first barrier insulating layer disposed on the laser absorption layer and including multiple second contact holes overlapping the first contact holes, multiple pad portions disposed on the first barrier insulating layer and partially disposed in the second contact holes, a second barrier insulating layer disposed on the first barrier insulating layer and the pad portions, a display layer disposed on the second barrier insulating layer, and a flexible film disposed under the first substrate, inserted into the opening hole, and electrically connected to the pad portions. A portion of the first barrier insulating layer is disposed in each of the first contact holes. The pad portions are electrically insulated from the laser absorption layer.
    Type: Application
    Filed: July 25, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Sung LEE, Byung Hoon KIM, Tae Oh KIM, Se Hun CHOI
  • Publication number: 20240155923
    Abstract: A display device includes a light emitting area and a non-light emitting area, a light emitting element disposed in the light emitting area on a substrate and including a pixel electrode, a light emitting layer, and an upper electrode, the pixel electrode, light emitting layer, and upper electrode being sequentially disposed, a light blocking layer disposed on the light emitting element in the non-light emitting area, and a reflection control layer disposed on the light emitting element, covering the light blocking layer, and including a recess depressed concavely from an upper surface in the light emitting area.
    Type: Application
    Filed: July 18, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: MIHWA LEE, HYEOJI KANG, OHJEONG KWON, TAEHO KIM, HONGYEON LEE, SUNGGYU JANG, SEUNGYEON JEONG
  • Publication number: 20240153460
    Abstract: A display device includes a display area and a peripheral area disposed adjacent to the display area, a display element arranged in the display area, a first semiconductor layer, a gate conductive layer, a first connection electrode layer, and a second connection electrode layer, sequentially arranged on a substrate, and a bias voltage supply line arranged in the peripheral area. The bias voltage supply line includes a top supply line and a bottom supply line arranged on different layers, and the top supply line and the second connection electrode layer are arranged on a same layer.
    Type: Application
    Filed: November 6, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Junhyun Park, Hyeongseok Kim, Heejean Park, Sunhwa Lee, Mukyung Jeon
  • Publication number: 20240155898
    Abstract: A display panel includes a transistor, a light emitting device, an insulating layer including a first opening, and a connection wiring at least partially covered by the insulating layer and electrically connecting the light emitting device and the transistor. The connection wiring includes a first connection part electrically connected to the light emitting device and including a line opening, a second connection part electrically connected to the transistor, and a connection part extending from the first connection part to the second connection part. An inner side surface of the connection wiring, which defines the line opening, includes an opening portion overlapping the first opening and a cover portion covered by the insulating layer.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SUNHO KIM, YOOMIN KO, Hyewon KIM, JUCHAN PARK, PILSUK LEE, CHUNG SOCK CHOI, SUNGJIN HONG
  • Publication number: 20240155897
    Abstract: A display panel includes a display area and a peripheral area adjacent to the display area and includes a transistor, a light emitting device including a first electrode and a second electrode disposed on the first electrode and electrically connected to the transistor, a separator, a power line at least partially disposed in the peripheral area, and a separation conductive layer including a first portion disposed on the separator and a second portion disposed in the peripheral area. An outer side surface of the separator includes a connection area, and an interior angle between the connection area and a lower surface of the separator is smaller than an interior angle between an inner side surface of the separator and the lower surface of the separator.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: JUCHAN PARK, YOOMIN KO, CHUNG SOCK CHOI, SUNHO KIM, HYEWON KIM, PILSUK LEE, SUNGJIN HONG