Patents Assigned to Samsung Display Co., Ltd.
  • Publication number: 20200220021
    Abstract: A thin film transistor includes an active layer over a substrate, a gate electrode over the active layer, a gate line connected with the gate electrode, and a gate insulation film between the active layer and the gate electrode. The active layer includes a channel region overlapping the gate electrode, and a drain region and a source region on respective sides of the channel region. A length of a straight line connecting the drain region and the source region by a shortest distance may be greater than a width of the gate line parallel to the straight line.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joonseok PARK, Jihun LIM, Myounghwa KIM, Taesang KIM, Yeonkeon MOON
  • Patent number: 10707285
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ju Kwon, Hee Seong Jeong
  • Patent number: 10707445
    Abstract: A display apparatus includes a substrate, a display arranged on the substrate and including a plurality of display elements, and an encapsulator arranged on the display and encapsulating the display. The encapsulator may include at least one inorganic film and at least one organic film, and the at least one organic film may include a matrix and an ultraviolet light absorbent dispersed in the matrix.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju
  • Patent number: 10707443
    Abstract: An organic light-emitting display apparatus includes a substrate, an inorganic insulation film on the substrate, an organic insulation film on the inorganic insulation film, an organic light-emitting device on the organic insulation film, and an encapsulation unit including a first inorganic film covering the organic light-emitting device and having a first boundary portion contacting the organic insulation film, an organic film covering the first inorganic film and having a second boundary portion contacting the inorganic insulation film, and a second inorganic film covering the organic film and having a third boundary portion contacting the substrate.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jinhwan Choi, Taewoong Kim, Taean Seo, Younggug Seol, Pilsuk Lee
  • Patent number: 10707287
    Abstract: An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongsoo Kim, Ji-Hyun Ka
  • Patent number: 10707447
    Abstract: An organic light-emitting display device includes: a substrate; a first organic light-emitting layer disposed on the substrate; a pixel defining film disposed on the first organic light-emitting layer and having a first opening, which at least partially exposes the first organic light-emitting layer; and an optical path converter disposed on the pixel defining film to overlap with the first organic light-emitting layer and including a first optical path converting member, which has a first refractive index, and a second optical path converting member, which has a second refractive index that is lower than the first refractive index.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Kim, Gee Bum Kim, Sung Kook Park
  • Patent number: 10703967
    Abstract: A quantum dot including a first ligand and a second ligand on a surface of the quantum dot, a composition or composite including the same, and a device including the same. The first ligand includes a compound represented by Chemical Formula 1 and the second ligand includes a compound represented by Chemical Formula 2: MAn??Chemical Formula 1 wherein M, n, and A are the same as defined in the specification; and wherein, R1, L1, Y1, R, k1, and k2 are the same as defined in the specification.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: July 7, 2020
    Assignees: SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jooyeon Ahn, Ha Il Kwon, Shang Hyeun Park, Nayoun Won, Eun Joo Jang, Shin Ae Jun
  • Patent number: 10706771
    Abstract: A display panel of an OLED display device includes a first OLED disposed in a first sub-pixel region, a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel region in a column direction, a fourth OLED disposed in a fourth sub-pixel region adjacent to the second sub-pixel region in the column direction and adjacent to the third sub-pixel region in the row direction, a first sub-pixel circuit disposed in the first sub-pixel region and a fourth sub-pixel circuit disposed in the fourth sub-pixel region, both configured to drive the first OLED, a second sub-pixel circuit disposed in the second sub-pixel region, and configured to drive the fourth OLED, a third sub-pixel circuit disposed in the third sub-pixel region, and configured to drive the third OLED.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-In Hwang, Elly Gil, Eungtaek Kim, Jina Lee, Joohyeon Jo, Seongbaik Chu
  • Patent number: 10707280
    Abstract: A display device includes a display panel and an input sensing unit disposed on the display panel. The display panel includes a base layer, a first signal line, a light emitting element, a first encapsulation inorganic layer, and a signal pad. The first signal line overlaps a display area and a non-display area and is connected to a transistor disposed in the display area. The first encapsulation inorganic layer is disposed on a second electrode of the light emitting element and overlaps the display area and the non-display area. The signal pad is electrically connected to the first signal line and disposed in the non-display area. The signal pad is connected to the first signal line through a first contact hole defined through the first encapsulation inorganic layer.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwan-hee Jeong, Wonkyu Kwak
  • Patent number: 10706757
    Abstract: There is provided a method of displaying an image on a display device, the method including moving an image displayed at an image display region of the display device, and reducing a first region and enlarging a second region, the first and second regions included in the image, wherein the image has a smaller size than the image display region.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Ki Chun, Jin Woo Noh, Jun Gyu Lee
  • Patent number: 10707276
    Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a thin film transistor panel comprising a display area and a peripheral area; and a color conversion panel overlapping the thin film transistor panel, wherein the color conversion panel includes: a substrate; a color conversion layer; a first organic layer disposed between the color conversion layer and the thin film transistor panel; a second organic layer disposed between the first organic layer and the thin film transistor panel; and a polarization layer disposed between the second organic layer and the thin film transistor panel, wherein the first organic layer overlaps the display area and the peripheral area, and the second organic layer overlaps the display area.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Tae Kim, Tae Jin Kong, Hee-Keun Lee, Seung-Jin Chu
  • Patent number: 10706787
    Abstract: A display device including a display panel including a plurality of pixels connected to a plurality of data lines and a plurality of gate lines crossing the plurality of data lines; a data driver comprising a plurality of terminals in contact with a plurality of pads on the display panel through a conductive adhesive member and configured to detect a resistance value of the plurality of terminals; and a timing controller configured to transfer the resistance value to an external controller.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Ho Hyun, Geun Yeong Chang
  • Patent number: 10706796
    Abstract: A liquid crystal display includes a display panel, a data driver, and a scan driver. The display panel includes first and second pixel groups, each of having two pixels. The data driver is connected to the display panel via a plurality of data lines. The scan driver is connected to the display panel via a plurality of scan lines. The first pixel group is connected to one of the data lines. The second pixel group is connected to both the data line to which the first pixel group is connected and a data line adjacent to the data line to which the first pixel group is connected.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Kyoon Mok, Seong Young Lee, Hyung Jun Park, Dong Hyun Yoo, Kyung Hoe Lee, Hwan Young Jang, Chang Won Jeong
  • Patent number: 10705635
    Abstract: A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hak Kim, Do Ik Kim, Young Sik Kim, Sang Chul Lee
  • Patent number: 10706784
    Abstract: A stage circuit includes an output circuit configured to supply, to a first output terminal, a first clock signal supplied to a second input terminal or to supply a voltage of a second power source supplied to a second power input terminal, in response to voltages of a first node and a second node, an input circuit configured to control voltages of a third node and a fourth node in response to a shift pulse or a gate start pulse supplied to a first input terminal, a third clock signal supplied to a third input terminal, and a fourth clock signal supplied to a fourth input terminal, and a first driver configured to control the voltages of the first and second nodes in response to both the third clock signal and the voltages of the third and fourth nodes.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Hwan Kim, Bon Yong Koo, Sun Kwang Kim, Chong Chul Chai
  • Patent number: 10705271
    Abstract: A display device includes: a display panel; and a color conversion panel overlapping the display panel, wherein the color conversion panel includes a red color conversion layer and a green color conversion layer including a semiconductor nanocrystal, and a transmissive layer; a red color filter overlapping the red color conversion layer; a green color filter overlapping the green color conversion layer; and a blue color filter overlapping the transmissive layer and a light blocking member, and the light blocking member includes at least one of a blue dye and a blue pigment.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Dong Kim, Sung Woon Kim, Jang Wi Ryu, Kyoung Won Park
  • Patent number: 10705278
    Abstract: A backlight unit may include a light source, a light guide plate configured to guide light emitted from the light source, a light conversion layer on the light guide plate, and a reflective pattern layer between the light guide plate and the light conversion layer, the reflective pattern layer including a plurality of holes. The light conversion layer absorbs at least a portion of the light emitted from the light source at the first predetermined wavelength and generates light having a second predetermined wavelength different than the first predetermined wavelength. A reflective layer may reflect the light having the second predetermined wavelength toward a display panel.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeaheon Ahn, Cheonjae Maeng, Dongil Son, Taewoo Lim
  • Patent number: 10705663
    Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon Sung Ahn, Hyoung Wook Jang, Hyun Jae Na, Mu Gyeom Kim
  • Patent number: 10705657
    Abstract: A touch panel, a display apparatus, and a method of manufacturing the touch panel. The touch panel includes a substrate, sense patterns disposed on the substrate and including a mesh type metal grid, and a transparent conductive layer patterned to correspond to each of the sense patterns and disposed to cover the metal grid.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choon-Hyop Lee, Heung-Seok Go, Jang-Ung Park, Byeong-Wan An, In-Nam Lee, Young-Kuil Joo
  • Patent number: 10707441
    Abstract: Provided is a foldable display apparatus including: a display panel that is foldable; and a protection film on a surface of the display panel, the protection film including a thin film zone having a predetermined depth at a location corresponding to a folding portion of the display panel, wherein the thin film zone has edges wider than a central portion of the thin film zone.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ohjune Kwon, Doohwan Kim, Seungwook Kwon, Hyojeong Kwon, Minsang Kim