Patents Examined by Xia L Cross
  • Patent number: 12690350
    Abstract: A display panel and a display device are provided. The display panel includes a TFT layer, an auxiliary electrode, a protection layer having a first opening, a connection layer positioned above the protection layer, a first electrode positioned above the connection layer, and a second electrode positioned above the connection layer. The first electrode is positioned above the connection layer and electrically connected to the TFT through the first opening. The second electrode is electrically connected to the auxiliary electrode through a via.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: July 21, 2026
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Min Wang
  • Patent number: 12684952
    Abstract: The present disclosure relates to an electroluminescence display. An electroluminescence display according to the present disclosure comprises: a pixel disposed on a substrate; a low resistance line disposed as one side of the pixel; a passivation layer on the low resistance line covering whole of the substrate; a planarization layer on the passivation layer covering whole of the substrate; a cathode contact hole exposing some of the low resistance line; an anode electrode disposed on the planarization layer; an under-cut trench formed at the planarization layer disposed between the anode electrode and the cathode contact hole; a bank covering circumference area of the anode electrode; an emission layer on the bank, the anode electrode and the planarization layer and a cathode electrode on the emission layer, wherein the cathode electrode connects the low resistance line through the cathode contact hole.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: July 14, 2026
    Assignee: LG Display Co., Ltd.
    Inventors: Joonsuk Lee, Doyoung Kum, Sejune Kim
  • Patent number: 12652811
    Abstract: A first and a second gate structure each extend in a first direction. A first and a second conductive contact extend in the first direction and are separated from the first and second gate structures in a second direction. A first isolation structure extends in the second direction and separates the first gate structure from the second gate structure. A second isolation structure extends in the second direction and separates the first conductive contact from the second conductive contact. The first gate structure is electrically coupled to a first electrical node. The second gate structure is electrically coupled to a second electrical node different from the first electrical node. The first conductive contact is electrically coupled to the second electrical node. The second conductive contact is electrically coupled to the first electrical node.
    Type: Grant
    Filed: July 19, 2023
    Date of Patent: June 9, 2026
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jiefeng Lin, Hsiao-Lan Yang, Chih-Yung Lin
  • Patent number: 12648330
    Abstract: The present disclosure relates to display panels and display devices including the display panels, and for example, to a display panel with excellent luminance and a display device including the display panel. In one aspect, the display panel may include an insulating film having an inclined portion with a high-inclined portion. In another aspect, the display panel may include a plurality of touch electrodes on the encapsulation layer having an open area. In a plan view, at least two of the open areas respectively include at least two light emitting areas, and a size of the at least two light emitting areas of a first sub-pixel is different from a size of the at least two light emitting areas of a second sub-pixel.
    Type: Grant
    Filed: July 2, 2024
    Date of Patent: June 2, 2026
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sunmi Lee, JungSun Baek, NamYong Kim, GoEun Lim, Seongjoo Lee, Seungpyo Hong, Hyojae Lee
  • Patent number: 12648448
    Abstract: An electronic device and a variable frequency control system using the electronic device. The electronic device may comprise: a shielding layer, which is inserted between a current outflow terminal of a switching device and a grounding conductor; and a conductive elastomer, which is used for connecting the current outflow terminal to the shielding layer.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: June 2, 2026
    Assignee: Copeland Climate Technologies (Suzhou) Co. Ltd.
    Inventors: Shaoyang Wu, Zhaoqing Hu, Wei Zhang
  • Patent number: 12646454
    Abstract: Disclosure provides a display substrate, a display panel and a display device. The display substrate includes a substrate, a drive circuit layer and a light emitting device layer sequentially on the substrate, a display region of the substrate includes first and second display regions on a side of the first display region, light transmittance of the first display region is larger than that of the second display region; the drive circuit layer includes first pixel circuits in bezel region around the display region, second pixel circuits in the second display region; the light emitting device layer includes first light emitting devices, second light emitting devices; each first light emitting device is electrically connected with each first pixel circuit; each second light emitting device is electrically connected with each second pixel circuits; a density of the first light emitting devices is same as a density of the second light emitting devices.
    Type: Grant
    Filed: July 3, 2024
    Date of Patent: June 2, 2026
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Weiyun Huang, Jianchang Cai, Pinchao Gu, Yuanyou Qiu, Yao Huang
  • Patent number: 12648343
    Abstract: Provided is a display panel. The display panel includes: a cutout region, a display region disposed on a periphery of the cutout region, and a winding region disposed between the cutout region and the display region. The display panel further includes: a substrate; a plurality of light-emitting devices disposed on the substrate, and a package layer and a light-shielding layer that are successively stacked and disposed on a side, distal from the substrate, of the plurality of light-emitting devices. The plurality of light-emitting devices are within the display region. The package layer is closer to the substrate relative to the light-shielding layer, and at least a portion of the light-shielding layer is within the winding region.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: June 2, 2026
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuewei Tian, Chunyan Xie, Dan Guo, Fei Fang, Hui Lu
  • Patent number: 12641945
    Abstract: A display device includes a substrate, an insulating film formed over the substrate, a first pixel electrode formed over the insulating film, a first light-emitting layer formed over the first pixel electrode and overlapping the first pixel electrode in a plan view, a second light-emitting layer formed in a recess provided in the insulating film, and a second pixel electrode overlapping the recess in a plan view. At least one of the first light-emitting layer and the second light-emitting layer includes a quantum dot as a light-emitting material.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: May 26, 2026
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Sentaro Kida, Yasushi Asaoka, Tsuyoshi Kamada
  • Patent number: 12631591
    Abstract: A semiconductor device includes a first electrode, a second electrode, and a semiconductor layer in contact with the first electrode and the second electrode. The semiconductor layer includes a first oxide layer of 5 to 20 nm containing spinel-type ZnGa2O4, and a second oxide layer of 5 to 50 nm containing In, Ga, and Zn.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: May 19, 2026
    Assignee: NIKON CORPORATION
    Inventor: Makoto Nakazumi
  • Patent number: 12604612
    Abstract: A display device can include a substrate including an active area in which a plurality of pixels are disposed, and a non-active area extending from the active area and including a pad area; a plurality of pads disposed in the pad area; a plurality of link lines disposed in the non-active area and connected to the plurality of pads; and a driver integrated circuit (IC) bonded to the plurality of pads. The display device can further include a passivation layer disposed on portions of the plurality of pads disposed in the pad area, in which outer edges of each of the plurality of pads are covered by the passivation layer.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: April 14, 2026
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HyunSeok Hong, Boeun Jo
  • Patent number: 12588375
    Abstract: A display device and a method for manufacturing the display device are provided. The display device includes: a driving circuit board provided with a plurality of first connection electrodes on a side thereof; a display module on a side of the driving circuit board, the display module including a flexible substrate, a plurality of signal lines on a side, away from the driving circuit board, of the flexible substrate and a plurality of bottom electrodes on a side, facing the driving circuit board, of the flexible substrate; the flexible substrate being provided with a plurality of first via holes in a display area of the display module, the signal lines are electrically connected with the bottom electrodes through the first via holes, and the bottom electrodes are electrically connected with the first connection electrodes.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: March 24, 2026
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo Sun, Kui Liang, Shuo Zhang
  • Patent number: 12581825
    Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: March 17, 2026
    Assignee: Applied Materials, Inc.
    Inventors: Ji-young Choung, Chung-Chia Chen, Yu Hsin Lin, Jungmin Lee, Dieter Haas, Si Kyoung Kim
  • Patent number: 12575254
    Abstract: A display device has a display area in which there is provided a plurality of pixels and a frame area surrounding the display area. The display device includes, in the display area; a substrate; a thin film transistor layer; a light-emitting element layer including a plurality of light-emitting elements configured to emit light of mutually different colors; and a sealing layer in this order. The plurality of light-emitting elements include a cathode, an electron transport layer, a light-emitting layer, a hole transport layer, and an anode in this order from a substrate side. The electron transport layer includes oxide nanoparticles and a binder resin. On an electron transport layer side of the cathode, there is provided an undercoat layer in contact with the electron transport layer.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 10, 2026
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hisayuki Utsumi, Masayuki Kanehiro, Yohei Nakanishi
  • Patent number: 12575278
    Abstract: A display panel includes a base layer including first and second areas, a connection line, and first and second pixels, wherein the first pixel includes a first light emitting element of a first group including a first pixel electrode disposed in the first area, a second light emitting element of the first group disposed in the first area, and a first pixel circuit connected to the first and second light emitting elements and disposed in the second area, the second pixel includes a light emitting element and a second pixel circuit that are disposed in the second area, and the connection line includes a first connection line for connecting the first pixel electrode and the first pixel circuit, wherein a common electrode includes at least one electrode opening disposed between the first and second light emitting elements.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: March 10, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taehyun Sung, Sangyeol Kim, Seungsoo Hong
  • Patent number: 12563936
    Abstract: A display device includes a substrate in which first and second pixel areas respectively emitting first and second light respectively having different emission wavelengths from each other are defined, a first electrode on the substrate to overlap the first and second pixel areas, a hole transport region on the first electrode to overlap the first and second pixel areas, first and second organic layers on the hole transport region to respectively overlap the first and second pixel areas, an electron transport region on the first and second organic layers to overlap the first and second pixel areas, and a second electrode on the electron transport region to overlap the first and second pixel areas. The first organic layer includes first emission layers emitting the first light and a first charge generation layer between the first emission layers, and the second organic layer includes a single second emission layer emitting the second light.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: February 24, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seokjae Lee, Yunjae Kim, Jungkyun Kim, Hyungu Kim, Bohun Park, Jin Woo Park, Jungjin Yang, Bum Suk Lee, Sunhye Lee, Jaejin Lee
  • Patent number: 12557483
    Abstract: A display apparatus includes a first pixel electrode, a bank layer including a first opening overlapping the first pixel electrode, and including an overhang portion, a first protective layer between an outer portion of the first pixel electrode and the overhang portion, an intermediate layer overlapping the first pixel electrode, and a counter electrode on the intermediate layer, the overhang portion has a horizontal length from a first edge of a first side surface of the first protective layer to an edge of the overhang portion and has a vertical distance from the top surface of the first pixel electrode to the overhang portion, the intermediate layer includes a charge generation layer, lower sub-layers below the charge generation layer, and upper sub-layers over the charge generation layer, each of the lower sub-layers and the charge generation layer includes portions separated by the overhang portion.
    Type: Grant
    Filed: September 13, 2024
    Date of Patent: February 17, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soojung Chae, Dahye Park, Taesun Park, Seokhwan Bang, Jemin Lee
  • Patent number: 12557472
    Abstract: A display apparatus includes a substrate including a plurality of sub-pixels; a transistor formed in each of the plurality of sub-pixels; an organic light emitting element formed in each of the plurality of sub-pixels; an encapsulation layer formed on the organic light emitting element; a reflective member disposed in a boundary region between the plurality of sub-pixels and formed inside the encapsulation layer; and a color filter layer disposed on the encapsulation layer.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: February 17, 2026
    Assignee: LG Display Co., Ltd.
    Inventors: Ho-Jin Kim, Han-Sun Park, Pu-Reum Kim
  • Patent number: 12557500
    Abstract: A display device includes a substrate including a flat area and a trench area, which is recessed from the flat area; an electrode pattern disposed on the substrate, where the electrode pattern includes a dent portion, which is bent along a profile of the trench area of the substrate; a planarization layer inserted in the dent portion; a first insulating layer covering the substrate, the electrode pattern, and the planarization layer; and a light-emitting element disposed on the first insulating layer, where the planarization layer includes an organic-inorganic composite material.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: February 17, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Eok Shin, Joon Yong Park, Joon Woo Bae, Do Keun Song, Yung Bin Chung
  • Patent number: 12557382
    Abstract: A display device includes a multilayer passivation structure and has an undercut formed in the passivation structure such that a connection between a cathode and an auxiliary wiring is formed inside the undercut, so as to prevent voltage drop of the cathode and influence of hydrogen on thin film transistors and thus to improve reliability of the display device.
    Type: Grant
    Filed: September 26, 2023
    Date of Patent: February 17, 2026
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Il Kim, Young Wook Lee, Na Ra Shin
  • Patent number: 12557486
    Abstract: A display device includes a substrate including an upper surface, a pixel circuit layer on the substrate and comprising a transistor, an insulating layer on the pixel circuit layer, the insulating layer defining a trench having a depth, and a first pixel electrode connected to the pixel circuit layer, the first pixel electrode having a thickness which is greater than the depth of the trench. The first pixel electrode includes a center area overlapping the trench, and a peripheral area which is adjacent to the center area, a lower surface corresponding to the center area and to the peripheral area, and a distance from the lower surface of the first pixel electrode to the upper surface of the substrate, in the center area, being smaller than a distance between the lower surface of the first pixel electrode and the upper surface of the substrate, in the peripheral area.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: February 17, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyuneok Shin, Joonyong Park, Juhyun Lee