Patents Assigned to Samsung Display Co., Ltd.
  • Publication number: 20240172510
    Abstract: A display device includes a light emitting diode electrically connected between a driving voltage line and a common voltage line; a driving transistor electrically connected between the driving voltage line and the light emitting diode; a second transistor electrically connected between a first electrode of the driving transistor electrically connected to the driving voltage line and a data line; a first scan line electrically connected to a gate electrode of the second transistor; a third transistor electrically connected between a second electrode of the driving transistor electrically connected to the light emitting diode and a gate electrode of the driving transistor; and a connection electrode that connects the gate electrode of the driving transistor and the third transistor, wherein at least a part of a contact portion where the connection electrode contacts the third transistor does not overlap the first scan line.
    Type: Application
    Filed: February 1, 2024
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Min Hee CHOI, Ji-Eun LEE, Jin Tae JEONG, Yun Sik JOO
  • Publication number: 20240172362
    Abstract: A display device is provided and includes a display panel including a display area that displays an image and a pad area disposed at least at a side of the display area, and a flexible circuit film electrically connected to the pad area. The flexible circuit film includes connection pads, a first measurement pad, and a second measurement pad. The connection pads are arrayed in a first direction and inclined with respect to a reference line extending in a second direction different from the first direction, the first measurement pad is disposed adjacent to a first side of the connection pads, and the second measurement pad is disposed adjacent to a second side of the connection pads. The connection pads are between the first measurement pad and the second measurement pad.
    Type: Application
    Filed: January 30, 2024
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: SEHUI JANG, CHONGGUK LEE
  • Publication number: 20240172483
    Abstract: A display panel includes a base layer, a pixel definition layer disposed on the base layer and including a first light emitting opening passing through the pixel definition layer, a bank disposed on the pixel definition layer and including a first bank opening passing through the bank and overlapping the first light emitting opening, and a first light emitting element disposed in the first bank opening and including a first anode including at least a portion exposed through the first light emitting opening, a first cathode that is in contact with the bank, and a first light emitting pattern layer disposed between the first anode and the first cathode. The bank includes a first layer including an AlNiLa alloy and a second layer disposed on the first layer and including a MoTa alloy oxide.
    Type: Application
    Filed: August 24, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: JOONYONG PARK, HYUNEOK SHIN, JUHYUN LEE
  • 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
  • Publication number: 20240172504
    Abstract: A display apparatus includes a substrate, a scan line disposed over the substrate and extending in a first direction, an initialization voltage line disposed over the substrate and extending in the first direction, a first thin-film transistor including a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, the first semiconductor layer including a silicon semiconductor, and a second thin-film transistor including a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer, the second semiconductor layer including an oxide semiconductor, wherein the second semiconductor layer is disposed between the scan line and the initialization voltage line in a plan view, and the second gate electrode extends from the scan line in a second direction perpendicular to the first direction.
    Type: Application
    Filed: September 5, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kwangchul Jung, Yongjun Jo, Sungmin Son, Jaejin Song
  • Publication number: 20240172484
    Abstract: A method of manufacturing a display panel includes providing a work substrate including a first electrode and a pixel-defining layer including an opening exposing at least a part of the first electrode, forming a spacer on the pixel-defining layer, forming a light-emitting layer on the first electrode by providing a deposition material to a mask including a deposition opening corresponding to the opening, removing the mask, and compressing particles remaining on the spacer by a compression tool.
    Type: Application
    Filed: September 15, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: WONJE JO, CHE HO LEE, SOYEON JEONG, JUNGSU KIM, YOUNG SEO CHOI
  • Publication number: 20240172494
    Abstract: Provided are a display apparatus and a method of manufacturing the display apparatus. The display apparatus includes a support substrate including a first support substrate and a second support substrate spaced apart from each other, a substrate disposed on the support substrate, a display layer disposed on a portion of the substrate disposed on the first support substrate, and a thin-film encapsulation layer disposed to cover the display layer, wherein a surface of the first support substrate and a surface of the second support substrate facing each other include a slope surface.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jewon Yoo, Dongjo Kim, Youngji Kim, Hyun Kim, Seonggeun Won, Seungmin Lee, Soukjune Hwang
  • Publication number: 20240166944
    Abstract: Embodiments provide a quantum dot, a method of preparing the quantum dot, and a display device including the quantum dot. The quantum dot includes a core including zinc (Zn), tin (Sn), and phosphorous (P), and a shell surrounding the core, wherein a molar ratio of the number of moles of zinc to a number of moles of tin is in a range of about 0.1 to about 0.2.
    Type: Application
    Filed: August 9, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SUNGJAE KIM, Youngsik KIM, SEUNG-WON PARK, Bitna YOON, DONGHEE LEE, JUNEHYUK JUNG
  • Publication number: 20240172471
    Abstract: Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device. The light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes m emission units, and m?1 charge generation unit(s) between adjacent ones of the m emission units, wherein m is an integer of 2 or more. One of the m emission units includes an emission layer, an electron injection layer between the emission layer and the second electrode, and an electron transport layer between the electron injection layer and the emission layer. The electron injection layer includes a mixture of a first metal-containing material and a first metal-free material, and the electron transport layer does not include a lithium-containing material.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Heungsu Park, Namsu Kang, Jimyoung Ye, Songeun Lee, Jongwon Lee, Hyunshik Lee, Wonsuk Han
  • Publication number: 20240168694
    Abstract: A display device and a wearable device. The display device may include at least one display panel comprising multiple subsidiary display panels, wherein images output from the subsidiary panels are extended to one another to form a single screen image and at least one multi-channel lens including multiple subsidiary lenses to provide multiple channels for light incident onto the subsidiary lenses, respectively, wherein the subsidiary display panels are associated with the subsidiary lenses, respectively, and the subsidiary display panels are inclined at a first angle from a reference plane so that their front surfaces face the respective subsidiary lenses.
    Type: Application
    Filed: September 11, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
  • Publication number: 20240169894
    Abstract: A data driving circuit includes: a reference voltage generator that receives a data control signal and generates a gamma reference voltage and a test reference voltage, a data driving unit that outputs a data signal for a pixel based on the gamma reference voltage, and an output circuit that outputs a test data voltage for a dummy pixel based on the test reference voltage.
    Type: Application
    Filed: August 21, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYUNG KI CHUN, SUN-KOO KANG, MYEONGBIN LIM, MIN-SEOK BAE, KANGHEE LEE
  • Publication number: 20240169871
    Abstract: A display device includes a substrate including a display area and a non-display area disposed near the display area, a plurality of pixels disposed in the display area, a plurality of signal lines disposed on the substrate and connected to the pixels, and a pad portion disposed in the non-display area and including a plurality of pads. The signal lines include a first crack detecting line connected to a first test voltage pad and a first pad at a first node, connected to a second pad at a second node, and extending around the non-display area between the first node and the second node, as well as a first data line including a first end connected to a first transistor connected to the first crack detecting line at the second node, and a second end connected to corresponding pixels from among the plurality of pixels.
    Type: Application
    Filed: January 22, 2024
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kwang Sae LEE, Ji-Hyun KA, Won Kyu KWAK, Hwa Young SONG, Ki Myeong EOM
  • Publication number: 20240170620
    Abstract: A display panel includes a plurality of light emitting members disposed on a substrate, each disposed on a plurality of emission areas of the substrate and a bank. Each of the plurality of light emitting members corresponds to one of two or more different colors. One of the plurality of light emitting members includes a light emitting device, a first color conversion layer disposed on the light emitting device and including phosphors converting a portion of light of the light emitting device, a light scattering layer disposed on the first color conversion layer, and a second color conversion layer disposed on the light scattering layer and including quantum dots converting still another portion of the light of the light emitting device or light scattered by the light scattering layer into a wavelength region of a color corresponding to the one light emitting member.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Wook MOON, Byung Choon YANG
  • Publication number: 20240170470
    Abstract: A display apparatus includes a transistor, a light-emitting diode including a first electrode electrically connected to the transistor, a second electrode, and an intermediate layer between the first and second electrodes, a bus line adjacent to the light-emitting diode, a first insulating layer on the bus line, a second insulating layer on the first insulating layer, a conductive layer electrically connected to the bus line through a first opening in the first insulating layer and a second opening in the second insulating layer, a third insulating layer on the second insulating layer and including a third opening overlapping the first opening and the second opening, and a fourth insulating layer on the third insulating layer and including a fourth opening overlapping the conductive layer, wherein a portion of the second electrode of the light-emitting diode is in contact with the conductive layer through the third opening and the fourth opening.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Donghan Kang, Jeehoon Kim, Sunggwon Moon, Seungsok Son, Shinhyuk Yang, Woogeun Lee
  • Patent number: 11991919
    Abstract: A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woong Kim, Hyun Woo Koo, Young Gug Seol
  • Patent number: 11991911
    Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hoon Kwon, Won Kyu Kwak, Kwang-Min Kim, Hey Jin Shin, Seung-Kyu Lee
  • Patent number: 11989363
    Abstract: A display device including a display panel; a pressure sensor disposed under the display panel and including a first protrusion at one side thereof; and a waterproofing member disposed under the display panel and including a first accommodation portion at one side thereof facing the one side. The protrusion of the pressure sensor is disposed to face the first accommodation portion of the waterproofing member, and the first protrusion is inserted in the first accommodation portion.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Kook Park, So Hee Park, Hee Seomoon, Tae Hee Lee, Won Ki Hong
  • Patent number: 11987031
    Abstract: A protection tape for a printed circuit board (PCB) includes an insulating base plate, a conductive layer over the insulating base plate, and an adhesive layer over the conductive layer, the adhesive layer including a main part having a first thickness and a subsidiary part having a second thickness less than the first thickness, the main part corresponding to at least a center portion of the insulating base plate and the subsidiary part being arranged at an outside of the main part.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Namkung, Sujin Jung, Hyunkyu Choi
  • Patent number: 11989052
    Abstract: A signal generator may include a reference horizontal synchronization signal generation block which generates reference horizontal synchronization signals based on a number of clock signals per a horizontal time, a frame clock calculation block which calculates a first frame clock number based on a number of the clock signals per the horizontal time, a frame clock comparation block which calculates a clock offset by comparing the first frame clock number and a second frame clock number generated based on a number of the clock signals per a frame time, a clock distribution block which generates horizontal synchronization signals by distributing a number of the clock signals corresponding to the clock offset to the reference horizontal synchronization signals, and a vertical synchronization signal generation block which generates a vertical synchronization signal based on the horizontal synchronization signals.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Se-Byung Chae
  • Patent number: D1027888
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun Joo Yim, Sungsu Park