Patents Examined by Lex H. Malsawma
  • Display device with light-transmissive conductive film between sealing films
    Patent number: 11522156
    Abstract: A display device includes: a base substrate; a TFT layer; a plurality of light-emitting elements; a sealing portion; a display region; and a frame region, wherein the sealing portion includes a first sealing film provided on the plurality of light-emitting elements, a second sealing film provided above the first sealing film, a third sealing film provided above the second sealing film, and a light-transmissive conductive film provided between two sealing films of the first sealing film, the second sealing film, and the third sealing film, an edge of the first sealing film and an edge of the third sealing film are positioned outward of an edge of the second sealing film in the frame region, and the light-transmissive conductive film is electrically connected to a first electrodes or a second electrode.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: December 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Sonoda, Takashi Ochi, Hisao Ochi, Akihiro Matsui, Tohru Senoo, Takeshi Hirase, Jumpei Takahashi
  • Display device having overlapped conducting layers with holes in peripheral area and method of manufacturing the same
    Patent number: 11522034
    Abstract: A display device includes: a substrate including a display area and a peripheral area; a first conductive layer on the substrate in the peripheral area; an insulation layer covering the first conductive layer; and a second conductive layer on the insulation layer in the peripheral area, the second conductive layer including a plurality of first holes, wherein the first conductive layer does not overlap the first holes of the second conductive layer.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Woo Woo, Moo-Soon Ko, Wangwoo Lee
  • Organic light emitting diode display with plurality of thin film transistors in portions of curved semiconductor layer
    Patent number: 11522041
    Abstract: An organic light emitting diode display includes a substrate, a scan line on the substrate for transferring a scan signal, a data line crossing the scan line and for transferring a data signal, a driving voltage line crossing the scan line and for transferring a driving voltage, a switching thin film transistor coupled to the scan line and the data line, a driving thin film transistor coupled to a switching drain electrode of the switching thin film transistor, and an organic light emitting diode (OLED) coupled to a driving drain electrode of the driving thin film transistor, wherein a driving semiconductor layer of the driving thin film transistor is bent and in a plane substantially parallel to the substrate.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: December 6, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Ho Kim, Jin-Woo Park, Won-Se Lee
  • Display device with wiring line between islands in bending region
    Patent number: 11522162
    Abstract: In a bending region provided in a frame region, an opening is formed in an inorganic layered film, a plurality of residual layers of the inorganic layered film are provided in island shapes in a plan view in the opening, and a frame wiring line is disposed between the adjacent residual layers.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: December 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tetsunori Tanaka, Yukinobu Nakata
  • Display substrate and display device with compensation pattern and planarization layers, and method of forming the same
    Patent number: 11522030
    Abstract: A display substrate, a method of forming the display substrate and a display device are provided. The display substrate includes a base substrate, a functional pattern arranged at a side of the base substrate and a planarization layer arranged at a side of the functional pattern away from the base substrate. The planarization layer includes a first part and a second part, an orthographic projection of the first part to the base substrate coincides with an orthographic projection of the functional pattern to the base substrate, and an orthographic projection of the second part to the base substrate does not overlap the orthographic projection of the functional pattern to the base substrate.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: December 6, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.
    Inventors: Yuanqi Zhang, Fengli Ji, Jianpeng Wu
  • Display device with overlapping auxiliary lines in non-display area surrounding transmission area
    Patent number: 11515380
    Abstract: A display device includes a first data line extending in a first direction, arranged in a display area, and connected to a first display element; a second data line extending in the first direction, arranged in the display area, and connected to a second display element; an auxiliary line arranged in a first non-display area and connecting the first data line to the second data line; and a plurality of patterns arranged apart from the auxiliary line in surroundings of the auxiliary line in the first non-display area.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungji Cha, Wonkyu Kwak
  • Display device with side surface electrode and method of manufacturing the same
    Patent number: 11515381
    Abstract: A display device including a display panel, a side surface electrode, and a flexible film. The display panel includes a display area, a non-display area defined outside the display area, a pixel disposed in the display area, a signal line connected to the pixel, and a connection pad extending from the signal line and disposed in the non-display area. The side surface electrode is disposed on one side surface of the display panel and contacts one side surface of the connection pad. The flexible film includes a driving pad that contacts the side surface electrode. The connection pad includes a first electrode layer including a plurality of first electrodes and a second electrode layer disposed on the first electrode layer and including a plurality of second electrodes. The first electrode layer and the second electrode layer have different rigidities.
    Type: Grant
    Filed: June 7, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eui Jeong Kang, Byoungyong Kim, Seung-Soo Ryu, Sanghyeon Song, Donghyun Lee
  • Display device with pixel electrode connected to electrode pattern and protective layer
    Patent number: 11508796
    Abstract: A display device including a substrate including a display area and an opening area therein, a data conductive layer on the substrate and including a source electrode and a voltage wiring in the opening area, a protective layer on the data conductive layer and covering the source electrode and the voltage wiring, a pixel electrode layer including a pixel electrode connected to the source electrode through a first contact hole, and an electrode pattern connected to the voltage wiring through a second contact hole, a pixel defining layer including an opening exposing the pixel electrode and a hole exposing the electrode pattern, a light emitting layer on the pixel defining layer and a common electrode on the light emitting layer, wherein the hole does not overlap the first and second contact holes.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hyun Park, Dong Woo Kim, Kang Moon Jo, Sung Jae Moon
  • Display device having circular, oval, polygonal frame with opening in bending portion
    Patent number: 11508798
    Abstract: In an organic electroluminescence (EL) display device, a display region and a first frame region are defined in a substantially circular shape or a substantially oval shape, and in a bending portion, an opening is formed in an inorganic layered film, and a frame flattening film is provided to fill the opening. An end portion of the opening on the display region side is formed along an arc of the first frame region on the bending portion side.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: November 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Seiji Kaneko, Yohsuke Kanzaki, Masahiko Miwa, Masaki Yamanaka, Yi Sun
  • Display device with frame region including metal layers across slit
    Patent number: 11502146
    Abstract: A first metal layer provided on a resin substrate layer, a flattening film provided on the first metal layer, a second metal layer and a plurality of organic EL elements provided on the flattening film, and a sealing film covering the plurality of organic EL elements are provided. An organic layer provided in the sealing film includes a circumferential end edge positioned in a frame region. A slit overlapping the circumferential end edge of the organic layer is formed in an outer side of the flattening film. The first metal layer and the second metal layer are in contact with each other inside the slit. An opening is formed in a metal layer of the first metal layer and the second metal layer, the opening exposing an interlayer insulating film from the metal layer of the first metal layer and the second metal layer at a position at which the organic layer and the slit overlap each other.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 15, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hisao Ochi, Jumpei Takahashi
  • Stretchable display substrate and stretchable display device
    Patent number: 11501667
    Abstract: The present disclosure provides a stretchable display substrate and a stretchable display device. The stretchable display substrate includes a substrate having a wiring region and a display region along a first direction, the display region including a plurality of display units and a plurality of connecting units, the plurality of display units being spaced apart from each other and arranged in an array; each of the hollow structures having a first extending portion extending along a second direction, wherein the display region includes a first transition region close to the wiring region and a central region away from the wiring region, and the first length of the first extending portion of each of the hollow structures in the transition region is not greater than the first length of the first extending portion of each of the hollow structures in the central region.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 15, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Kai Sui, Jinxiang Xue, Zhongyuan Sun, Xiaofen Wang
  • Array substrate and display device with interposer bonded to drive circuit and manufacturing method thereof
    Patent number: 11502153
    Abstract: An array substrate and a manufacturing method thereof, a display device and a manufacturing method thereof are provided, which belong to the technical field of display. The array substrate includes: an interposer substrate, a thin-film transistor disposed on one side of the interposer substrate, and a bonding connection line embedded in the other side of the interposer substrate. The bonding connection line is configured to be connected to a drive circuit. An interposer via hole is arranged on the interposer substrate. A conductive structure is arranged in the interposer via hole. The thin-film transistor is electrically connected to the bonding connection line by the conductive structure.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: November 15, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Renquan Gu, Qi Yao, Jaiil Ryu, Zhiwei Liang, Yingwei Liu, Wusheng Li, Muxin Di
  • Method of forming display electrodes and pixel defining layers without an increase of masks
    Patent number: 11502145
    Abstract: A method of manufacturing a light-emitting display apparatus and a light-emitting display apparatus are provided. The method includes forming a first photosensitive layer on a conductive material layer, forming a pixel electrode by etching the conductive material layer by using the first photosensitive layer as a mask, ashing the first photosensitive layer disposed on the pixel electrode, forming a pixel defining layer that covers an edge portion of the pixel electrode and includes a first opening overlapping the ashed first photosensitive layer, removing the ashed first photosensitive layer disposed in the first opening, forming an intermediate layer including a functional layer and an emission layer on the pixel defining layer, and forming an opposite electrode on the intermediate layer.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwuihyun Park, Pilsoon Hong, Chulwon Park, Koichi Sugitani, Hyungbin Cho, Hyein Kim
  • Multi-chip module including stacked power devices with metal clip
    Patent number: 11495580
    Abstract: A Multi-Chip Module (MCM) package includes a substrate having a plurality of metal terminals and at least a first die attach area. An encapsulant is around the substrate including on at least a portion of the topside and at least a portion of the bottomside of the package. At least a first device including at least two device terminals is attached face up on the first die attach area. At least a second device including at least two device terminals is flip-chip attached and stacked on the first device. At least one of the first device and second device include a transistor. At least one metal clip is between the first device and second device including a plurality of clip portions isolated from one another connecting at least one device terminal of each of the first device and second device to respective metal terminals of the plurality of metal terminals.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: November 8, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Marie Denison, Richard Saye, Takahiko Kudoh, Satyendra Singh Chauhan
  • Display panel and display device with two barrier walls and boss therebetween
    Patent number: 11489140
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a display area, a transmitted subregion, a substrate, an array layer, a first barrier wall, a second barrier wall, a light emitting layer, and a boss. The boss includes a plurality of step layers. The light emitting layer covers the boss and is discontinuous at the boss. The barrier walls and the boss prevent external substances from entering the panel through film layers, thereby effectively preventing continued diffusion of water vapor to protect the display panel.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: November 1, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xing Wang
  • Display panel and display device with light shielding portions having curved profile
    Patent number: 11489032
    Abstract: The Embodiments of the present disclosure relate to a display panel and a display device. The display panel includes a plurality of wirings extending parallel to a display surface of the display panel, and a plurality of light shielding portions extending parallel to the display surface, wherein projections of at least two wirings of the plurality of wirings with parallel extending directions on the display surface are within a projection of a same light shielding portion on the display surface, wherein at least a portion of each light-shielding portion has a curved profile along the extending direction.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: November 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Mingche Hsieh
  • Wire structure, display panel, display device with high thermal conductivity layer and manufacturing method
    Patent number: 11489033
    Abstract: The present disclosure provides a wire structure for a display panel, a display panel, a display device, and a manufacturing method. The wire structure includes a first wire layer and a thermally conductive layer above the first wire layer. A thermal conductivity of the thermally conductive layer is greater than a thermal conductivity of the first wire layer.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: November 1, 2022
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Liman Peng, Qi Liu, Qianqian Zhang, Zhiyong Xue, Yan Wu, Jin Yang, Guoping Zhang, Haifeng Xu, Wenxiu Li, Lei Wang
  • Transformers with build-up films
    Patent number: 11488914
    Abstract: In examples, a method of manufacturing a transformer device comprises providing a first magnetic member and providing a laminate member containing primary and secondary transformer windings wound around an orifice extending through the laminate member. The method further comprises positioning a build up film abutting the laminate member. The method also comprises positioning at least a portion of a second magnetic member in the orifice. The method further comprises heat pressing at least one of the first and second magnetic members such that a distance between the first and second magnetic members decreases and such that the build-up film melts, thereby producing a transformer device.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: November 1, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Zhemin Zhang, Kenji Otake, Yi Yan, Jeffrey Morroni, Yuki Sato, Takafumi Ando
  • Display device including electrostatic discharge protection circuit
    Patent number: 11482587
    Abstract: A display device may include a substrate, a pixel, a transistor, a data line, a connection line, a pad, and an electrostatic discharge protection circuit. The substrate may include a display area and a pad area. The pad area may overlap the display area. The pixel may be supported by the display area and may include a pixel electrode. The data line may be electrically connected through the transistor to the pixel electrode. The connection line may be supported by the display area and may be electrically connected through the data line to the transistor. The pad may be supported by the pad area and may be electrically connected through the connection line to the data line. The display area and the pad area may be positioned between the connection line and the pad. The electrostatic discharge protection circuit may be electrically connected to the connection line.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: October 25, 2022
    Inventors: Seunghwan Cho, Minsoo Kim
  • Method for obtaining metallic carbon nanotube
    Patent number: 11479465
    Abstract: A method for obtaining metallic carbon nanotubes is provided. An insulating substrate comprising hollow portions and non-hollow portions is provided. A plurality of electrodes is formed on a surface of the non-hollow portions. A plurality of carbon nanotubes is formed on a surface of the insulating substrate, and the carbon nanotubes stretch across the hollow portions. The insulating substrate, the plurality of electrodes and the carbon nanotubes are placed into a cavity, and the cavity is evacuated. A voltage is applied between any two electrodes, and photos of carbon nanotubes suspended between the two electrodes are taken. In the photo, darker ones are semiconducting carbon nanotubes, and brighter ones are metallic carbon nanotubes. Finally, the semiconducting carbon nanotubes are removed.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: October 25, 2022
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ke Zhang, Yuan-Qi Wei, Kai-Li Jiang, Shou-Shan Fan