Structure Of Transistor Patents (Class 349/43)
  • Patent number: 10649281
    Abstract: A light-modulating cell includes: a pair of polarizing plates (a first polarizing plate and a second polarizing plate); a pair of electrodes (a first transparent electrode and a second transparent electrode) arranged between the pair of polarizing plates (the first polarizing plate and the second polarizing plate); and a pair of alignment films (a first alignment film and a second alignment film) arranged between the pair of electrodes (the first transparent electrode and the second transparent electrode). A plurality of spacers, which support at least any one of the pair of alignment films and are in two-dimensional contact with at least any one of the pair of alignment films, is provided. At least some of the plurality of spacers have an inconstant distance to another spacer positioned at a closest distance.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: May 12, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Yusuke Nakamura, Tomoya Kawashima, Kumiko Kambara, Norio Ishii
  • Patent number: 10649301
    Abstract: Embodiments of the present disclosure provide a display panel, a manufacturing method thereof and a display device. The display panel includes: a first substrate and a second substrate which are cell-assembled; a liquid crystal layer, disposed between the first substrate and the second substrate; a spacer layer, disposed between the liquid crystal layer and the first substrate; and an electrochromic layer, disposed between the first substrate and the spacer layer.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: May 12, 2020
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingsen Guo, Yongzhi Song, Bo Zhou
  • Patent number: 10651258
    Abstract: Disclosed are an organic light emitting display device to improve an aperture ratio, and a method of manufacturing the same. The organic light emitting display device includes a plurality of contact holes overlapping an anode of an organic light emitting element in each sub-pixel region, wherein conductive films connected through at least one of the contact holes are transparent, thus allowing regions, where the contact holes are formed, to be used as light emitting regions, thereby improving an aperture ratio.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: May 12, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Sun Beak, Jeong-Oh Kim, Jong-Won Lee
  • Patent number: 10644159
    Abstract: Disclosed is an array substrate, a method for manufacturing the array substrate, and a display device. The array substrate includes: a plurality of pixel units arranged in an array, each pixel unit being provided with one thin film transistor including an active layer and a polymer film on array. The polymer film on array is formed with a first via hole, and the active layer is conductive in a region thereof corresponding to the first via hole, such that a pixel electrode located on the polymer film on array is electrically connected to the source through the first via hole.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Longqiang Shi
  • Patent number: 10644163
    Abstract: A field effect transistor including: a substrate, and at least gate electrode, a gate insulating film, a semiconductor layer, a protective layer for the semiconductor layer, a source electrode and a drain electrode provided on the substrate, wherein the source electrode and the drain electrode are connected with the semiconductor layer therebetween, the gate insulating film is between the gate electrode and the semiconductor layer, the protective layer is on at least one surface of the semiconductor layer, the semiconductor layer includes an oxide containing In atoms, Sn atoms and Zn atoms, the atomic composition ratio of Zn/(In+Sn+Zn) is 25 atom % or more and 75 atom % or less, and the atomic composition ratio of Sn/(In+Sn+Zn) is less than 50 atom %.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: May 5, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Koki Yano, Hirokazu Kawashima, Kazuyoshi Inoue
  • Patent number: 10634958
    Abstract: Provided is a manufacturing method of a black photo spacer array substrate. In a manufacturing method of a black photo spacer array substrate, a double layer color resist structure formed with a first color resist layer and a second color resist layer is used to pad a main pad part and a sub pad part of a main photo spacer and a sub photo spacer. Then, a thickness of the main photo spacer and a thickness of the sub photo spacer are decreased to reduce the usage amount of black photo spacer material of forming the main photo spacer and the sub photo spacer to reduce the production cost. A height difference of the main photo spacer and the sub photo spacer can be achieved by decreasing a thickness of the first color resist layer under the sub pad part with a half exposure process.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: April 28, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zhuming Deng
  • Patent number: 10634957
    Abstract: The present disclosure discloses a post spacer, which is applied to a liquid crystal display panel. The post spacer has a material having a structure as represented by Formula 1, wherein X includes at least one of groups represented by Formulae 2-1 to 2-5; Y includes at least one of groups represented by Formulae 3-1 and 3-2; at least one of the X and the Y has a molecular chain end having a group capable to chemically cross-link with materials of alignment layers; and at least one of the X and the Y has a side chains having a group capable to generate a hydrogen bond or intermolecular force with a material of liquid crystal molecules. The present disclosure also discloses a liquid crystal display panel having the post spacers described above and a method of manufacturing the same.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: April 28, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventor: Yong Yang
  • Patent number: 10629744
    Abstract: Provided is a method for fabricating an electronic device, the method including: preparing a carrier substrate including an element region and a wiring region; forming a sacrificial layer on the carrier substrate; forming an electronic element on the sacrificial layer of the element region; forming a first elastic layer having a corrugated surface on the first elastic layer of the wiring region; forming a metal wirings electrically connecting the electronic element thereto, on the first elastic layer of the wiring region; forming a second elastic layer covering the metal wirings, on the first elastic layer; forming a high rigidity pattern filling in a recess of the second elastic layer above the electronic element so as to overlap the electronic element, and having a corrugated surface; forming a third elastic layer on the second elastic layer and the high rigidity pattern; and separating the carrier substrate.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: April 21, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyoung Ik Cho, Jae Bon Koo, Chan Woo Park, Bock Soon Na, Sang Seok Lee, Sang Chul Lim, Soon-Won Jung, Hye Yong Chu
  • Patent number: 10627688
    Abstract: An active matrix substrate is provided that includes: a plurality of source lines (data lines) 15S; a plurality of lines that intersect with the source lines 15S, and include at least a plurality of gate lines 13G; a gate driver (driving circuit) 11 that includes a plurality of switching elements 18, and are connected to at least a part of the lines, so as to control potentials of the lines according to a control signal; and a plurality of pixel control elements 16T that are provided in correspondence to a plurality of pixels that compose a display region, and are connected with the data lines 15S and the gate lines 13G, so as to control display of the corresponding pixels, respectively. Either the data lines 15S or the gate lines 13G are vertical lines while the others are horizontal lines, and intervals of the horizontal lines are irregular intervals.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: April 21, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takayuki Nishiyama, Kohhei Tanaka, Takeshi Noma, Yosuke Iwata, Ryo Yonebayashi
  • Patent number: 10620500
    Abstract: An array substrate is provided, including a plurality of pixel unit pairs arranged in an array and defined by mutually intersected gate lines and data lines. Two of the gate lines are arranged between the pixel unit pairs in adjacent rows, each pixel unit pair includes a first pixel unit and a second pixel unit, and a gate insulation layer, a first metal layer, a passivation layer and a pixel electrode layer are stacked on a base substrate and arranged between the first pixel unit and the second pixel unit. Orthographic projections of the pixel electrode layer and the first metal layer onto the base substrate partially overlap to form a storage capacitor, and the first metal layer is connected to a common electrode layer of each pixel unit pair in a lap joint manner.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: April 14, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Maokun Tian, Rui Wang, Zhonghao Huang, Wei Chen
  • Patent number: 10622433
    Abstract: A display substrate, a method for forming a display substrate and a display device are provided. The display substrate includes: a display region and a non-display region around the display region, where the non-display region of the display substrate includes: a gate driving circuit and a signal line on a base substrate, where the gate driving circuit is electrically insulated from the signal line, and an orthographic projection of the gate driving circuit onto the base substrate at least partially overlaps with an orthographic projection of the signal line onto the base substrate.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 14, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Long Han
  • Patent number: 10608055
    Abstract: An AMOLED display panel comprises a display area and a non-display area. The display area has a plurality of pixel electrodes and the neighboring pixel electrodes are spaced apart from each other. The non-display area surrounds the display area and comprises a virtual pixel area and a boundary area. The virtual pixel area is close to the display area and has a plurality of virtual electrodes. At least part of the virtual electrodes are disposed close to the pixel electrodes at a boundary of the display area. The virtual electrodes and the pixel electrodes are formed by the same manufacturing process. The boundary area is close to the virtual pixel area or both the virtual pixel area and the display area. The virtual pixel area is located between the display area and the boundary area. The present invention may improve display uniformity of the AMOLED display panel.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: March 31, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiuyan Li, Peng Li
  • Patent number: 10606139
    Abstract: A pixel structure includes a substrate, first and second gate lines, first and second data lines, and at least one pixel unit. The first and second gate lines and the first and second data lines are over the substrate and intersect with each other. The pixel unit is disposed on the substrate. The pixel unit includes first and second active devices, a common electrode, and first and second pixel electrodes. The first and second active devices are electrically connected to the first data line, and electrically connected to the first and second gate lines respectively. The common electrode is connected to a common potential source. The first and second pixel electrodes are over the common electrode and electrically connected to the first and second active devices respectively. At least one second branch electrode of the second pixel electrode shrinks from its one side to another side.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: March 31, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Sih-Yan Lin, Chia-Chun Hsu, Yu-Zhang Huang, Yen-Hua Lo, Hsin-Chun Huang, Wen-Rei Guo
  • Patent number: 10606114
    Abstract: A liquid crystal display panel, including a first substrate and a second substrate disposed opposite to the first substrate, the first substrate provided with a pixel area and a periphery area at a side facing the second substrate, a metal line provided in the pixel area and the periphery area, a black matrix provided on the second substrate at a side facing the first substrate, wherein the metal line includes a preset portion disposed in the periphery area, and an opening is provided in the black matrix at a position overlapping the preset portion of the metal line. A display device including the liquid crystal display panel is also provided.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: March 31, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Hongfei Cheng
  • Patent number: 10607854
    Abstract: Provided in an embodiment of the present invention are a manufacturing method of an electrode pattern, a thin film transistor and a manufacturing method thereof, and a display panel. The manufacturing method of an electrode pattern includes: forming a metal thin film; performing processing on the metal thin film to form a partner layer over a surface of the metal thin film, the partner layer being configured to react with a photoresist to form a hydrogen bond; and performing patterning to form an electrode.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: March 31, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haixu Li, Zhanfeng Cao, Qi Yao, Jianguo Wang, Fanna Meng
  • Patent number: 10598996
    Abstract: An array substrate, a display panel, and a display device are provided. The array substrate includes a substrate, and a plurality of scanning lines and a plurality of data lines disposed on the substrate. The plurality of scanning lines and the plurality of data lines are insulated and intersected to define a plurality of pixel units. Each pixel unit includes a thin film transistor and a pixel electrode, a gate electrode of the thin film transistor is electrically connected to a scanning line, a source electrode is electrically connected to a data line, and a drain electrode is electrically connected to the pixel electrode. An active layer of the thin film transistor includes at least one channel region including first sub-channel region and at least one second sub-channel region. A first width of the first sub-channel region is smaller than a second width of the second sub-channel region.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: March 24, 2020
    Assignees: SHANGHAI AVIC OPTO ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Shoufu Jian, Zhaokeng Cao, Zhiqiang Xia
  • Patent number: 10600817
    Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Mi Hwang, Young-Bae Jung
  • Patent number: 10593283
    Abstract: The display panel includes a first substrate, a second substrate, pixel structures, a liquid crystal layer and a transparent conductive layer. The liquid crystal layer is disposed between the pixel structures and the second substrate. The transparent conductive layer is disposed between the second substrate and the liquid crystal layer. When a liquid crystal molecule of the liquid crystal layer is a positive liquid crystal molecule, an absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 2.3 volts(V). When the liquid crystal molecule of the liquid crystal layer is a negative liquid crystal molecule, the absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 5V.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: March 17, 2020
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Wei-Chih Hsu, Chen-Hao Su, Yu-Chen Liu
  • Patent number: 10593657
    Abstract: A display device is provided. The display device includes a supporting film and a flexible substrate disposed on the supporting film. The display device also includes a driving layer disposed on the flexible substrate, and a conductive pad disposed on the driving layer. The display device further includes a light-emitting diode disposed on the conductive pad and electrically connected to the conductive pad, wherein the supporting film has a first hardness, the flexible substrate has a second hardness, and the first hardness is greater than or equal to the second hardness.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: March 17, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Yuan-Lin Wu, Yu-Hsien Wu, Kuan-Feng Lee, Tsung-Han Tsai
  • Patent number: 10578928
    Abstract: The disclosure discloses a display panel and a display device and relates to the technical field of display. The display panel includes an array substrate and an opposite substrate that are subjected to cell docking, and sealing material provided between the array substrate and the opposite substrate and located in a peripheral area of the display panel, wherein the display panel further includes an optical part provided on a side of the sealing material close to the array substrate and/or the opposite substrate and configured to guide ultraviolet light having passed through the sealing material back into the sealing material. The display panel is used to fabricate the display device.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 3, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yong Hu, Hongfei Cheng, Pan Li
  • Patent number: 10571768
    Abstract: Disclosed are a pixel array, a display panel and a display device. The pixel array includes: a plurality of pixel units arranged in an array, a plurality of data lines and a plurality of gate lines, wherein each of the pixel units includes four sub-pixel units; the first sub-pixel unit group includes two adjacent sub-pixel units, and the second sub-pixel unit group includes remaining two adjacent sub-pixel units; the first sub-pixel unit group and the second sub-pixel unit group are alternately arranged in both a row direction and a column direction; the data line connected with the two adjacent sub-pixel units included in the first sub-pixel unit group is different from the data line connected with the two adjacent sub-pixel units included in the second sub-pixel unit group.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: February 25, 2020
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventor: Yujie Gao
  • Patent number: 10571753
    Abstract: A liquid crystal panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a spacer. The first substrate includes pixel electrodes and position detection electrodes and the position detection electrodes detect an input position input with a position inputter based on electrostatic capacitances between the position inputter and the position detection electrodes. The second substrate has a display surface displaying an image thereon and is arranged opposite the first substrate and includes transparent electrodes overlapping the position detection electrodes, respectively. The spacer has conductivity and is disposed in a display region and between the first substrate and the second substrate and is contacted with one of the position detection electrodes and one of the transparent electrodes.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: February 25, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masakatsu Tominaga
  • Patent number: 10564461
    Abstract: The present disclosure provides a method of forming a crystalline ITO thin film for forming the crystalline ITO thin film on a liquid crystal panel and a method of forming an On-cell type touch panel by using the method of forming a crystalline ITO thin film. The method of forming a crystalline ITO thin film includes: forming a noncrystalline ITO thin film on a surface of a side of a color filter substrate being far away from the liquid crystal layer, by a deposition process; and crystallizing the noncrystalline ITO thin film by an excimer laser anneal process at a preset temperature so as to obtain the crystalline ITO thin film.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: February 18, 2020
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Shaoqing Lv
  • Patent number: 10565954
    Abstract: A field-effect transistor, including: a base; a passivation layer; a gate insulating layer formed therebetween; a source electrode and a drain electrode, which are formed to be in contact with the gate insulating layer; a semiconductor layer, which is formed between at least the source electrode and the drain electrode, and is in contact with the gate insulating layer, the source electrode, and the drain electrode; and a gate electrode, which is in contact with the gate insulating layer, and faces the semiconductor layer via the gate insulating layer, wherein the passivation layer contains a first passivation layer, which contains a first composite metal oxide containing Si, and an alkaline earth metal, and a second passivation layer, which is formed to be in contact with the first passivation layer, and contains a second composite metal oxide containing an alkaline earth metal, and a rare-earth element.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 18, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ryoichi Saotome, Naoyuki Ueda, Yuki Nakamura, Yukiko Abe, Shinji Matsumoto, Yuji Sone, Sadanori Arae
  • Patent number: 10566456
    Abstract: The disclosure discloses a thin film transistor, a method for fabricating the same, and an OLED display panel. The method for fabricating a thin film transistor includes: forming a poly-silicon layer and a gate insulation layer on a base substrate in that order; forming a pattern of a gate above the base substrate with the gate insulation layer in a patterning process; doping the base substrate with the pattern of the gate for the first time; forming a pattern of first photoresist on the base substrate doped for the first time, using a mask for forming the pattern of the gate, wherein the pattern of the first photoresist covers the pattern of the gate and an area for forming a lightly doped drain area; and doping the base substrate with the pattern of the first photoresist for the second time to form a pattern of an active layer.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Feng Kang, Nini Bai, Liangliang Liu, Liang Tang
  • Patent number: 10558834
    Abstract: The disclosure provides a display apparatus including a display panel including a display substrate having a display area divided into pixel regions and spacing regions each located between every two adjacent pixel regions, the display substrate further includes a light shielding layer formed therein with a light through hole within the spacing region; the display apparatus further includes a condensing lens provided at a side of the light shielding layer facing a light exit side of the display panel at a position corresponding to the light through hole, and a fingerprint identification component provided at a side of the light shielding layer facing away from the light exit side, for capturing light coming from the display panel, reflected by a fingerprint of a finger at the light exit side and passing through the light through hole after being condensed by the condensing lens, to identify an image of the fingerprint.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: February 11, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kuo Sun, Fei Liu, Haijun Yin, Jianqiang Liu
  • Patent number: 10558102
    Abstract: A method for forming a liquid crystal display panel and a liquid crystal display panel are provided. The method includes using a mask for the patterning of the second metal layer and using the mask to pattern the common electrode on the second substrate. As a result, the common electrode includes a hollow region formed thereon. The hollow region is the same as the pattern of the second metal layer. Therefore, the capacitance between the second metal layer and the common electrode can be reduced. The problem of horizontal crosstalk is mitigated. The display quality of the liquid crystal display panel is enhanced.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 11, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Fengling Bian
  • Patent number: 10553614
    Abstract: A manufacturing method for a thin-film transistor array substrate is disclosed. The method includes: providing a base substrate; depositing a first metal layer on the base substrate, and patterning to form a gate electrode and a first storage electrode; depositing a gate insulation layer, wherein the gate insulation layer covers the gate electrode and the first storage electrode; depositing a metal oxide semiconductor layer, and patterning to form a metal oxide active layer; depositing a second insulation layer, and patterning to form an etching barrier layer; depositing a second metal layer, and pattering to form a source electrode, a drain electrode and a second storage electrode, wherein the first storage electrode and the second storage electrode are two electrodes of a storage capacitor; depositing a third insulation layer, and patterning to form a passivation layer; and depositing a third metal layer, and patterning to form a pixel electrode.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: February 4, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xingyu Zhou
  • Patent number: 10551680
    Abstract: A liquid crystal display device includes a first substrate, and a first pixel which is disposed on the first substrate, and includes a pixel area and a circuit area adjacent to the pixel area where the first pixel further includes a first pixel electrode in which a slit extending in a first direction is defined, a first sub-pixel electrode disposed on one side of the slit, and a second sub-pixel electrode disposed on another side of the slit, the slit, the first sub-pixel electrode and the second sub-pixel electrode are disposed in the pixel area, and the first sub-pixel electrode and the second sub-pixel electrode are directly connected to each other in the circuit area.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heung Shik Park, Jae Soo Jang, Kyeong Jong Kim, Ho Kil Oh, Ki Chul Shin
  • Patent number: 10545382
    Abstract: The present disclosure provides a liquid crystal display device that can maintain a high voltage holding ratio for extended periods and can ensure reliability. A liquid crystal display device according to the present disclosure includes a pair of opposing substrates, a liquid crystal layer between the pair of substrates, and an alignment film between at least one of the pair of substrates and the liquid crystal layer. At least one of the pair of substrates has an electrode and/or wire containing copper or aluminum. The alignment film contains a polymer with a chemical structure on a side chain of the polymer, the chemical structure having a benzotriazole group represented by a specific chemical formula.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: January 28, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masanobu Mizusaki, Hiroshi Tsuchiya
  • Patent number: 10546883
    Abstract: A display substrate includes a gate metal pattern including a gate line extending in a first direction, a gate electrode electrically connected to the gate line and a storage line, a data metal pattern including a data line extending in a second direction crossing the first direction, a source electrode electrically connected to the data line and a drain electrode spaced apart from the source electrode, a repair electrode extending in the second direction and overlapping the storage line, an organic layer disposed on the data metal pattern and a pixel electrode disposed on the organic layer and electrically connected to the drain electrode.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: January 28, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hong-Beom Lee, Ji-Hoon Shin, Ho-Yong Shin
  • Patent number: 10509281
    Abstract: A display panel and a display device are disclosed, the display panel includes an opposed substrate and an array substrate opposite to each other, and a flexible printed circuit. The opposed substrate includes a conductive layer, which is configured for electrostatic prevention, the flexible printed circuit includes a first conductive structure connected to the conductive layer, and the conductive layer is grounded through the first conductive structure.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Yi Wang, Xuebing Jiang
  • Patent number: 10509519
    Abstract: Embodiments of the present invention disclose a display panel comprising a circuit board, a driving chip and a touch panel. The display panel further comprises an electrostatic discharge circuit disposed between the circuit board and the touch panel. The electrostatic discharge circuit defines an electrostatic discharge path electrically connecting the circuit board with the touch panel, and a second path through the driving chip is provided between the circuit board and the touch panel, wherein the overall impedance of the electrostatic discharge path is smaller than the overall impedance of the second path. Also a display device including the display panel is disclosed.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Hao Wu, Na An, Xinfeng Gong, Gang Ci, Baolei Guo
  • Patent number: 10512159
    Abstract: The present disclosure relates to a driving substrate, a manufacturing method, and a micro-LED array substrate light-emitting backlight module. The driving substrate includes a first metal layer, a first high-reflection layer, and a second metal layer stacked in a top-down sequence. The driving substrate, the manufacturing method, and the micro-LED array light emitting backlight module of the present disclosure solve the loss of reflectivity issue caused by the edge forbidden area of the electrode welding pad edge forbidden region. At the same time, the limited reflectivity of traditional coated high-reflective layers (such as white oil) may also be enhanced.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: December 17, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guowei Zha
  • Patent number: 10495933
    Abstract: The application discloses an array substrate and a display device, and belongs to the field of display technology. The array substrate comprises a base substrate, and a via hole and a diffusion part above the base substrate, and an orthographic projection of the diffusion part on the base substrate is contiguous to that of the via hole on the base substrate. The diffusion part is used for causing alignment liquid at a position corresponding to the via hole to diffuse. Since the array substrate is provided with the diffusion part for causing alignment liquid at a position corresponding to the via hole to diffuse, and the orthographic projection of the diffusion part on the base substrate is contiguous to that of the via hole on the base substrate, the alignment liquid at the position corresponding to the via hole will be guided by the diffusion part to diffuse uniformly.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: December 3, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Liping Liu, Nanhong Zhang, Zhanfeng Tang
  • Patent number: 10495907
    Abstract: Disclosed herein is a liquid crystal display device capable of improving reliability of a gate in panel (GIP) type gate driving circuit by improving positive bias temperature stress (PBTS) characteristics of a thin film transistor in the gate driving circuit. The liquid crystal display device may include a first substrate including a thin film transistor of a GIP circuit, and an opaque electrode line that overlaps a semiconductor active layer of the thin film transistor. A backlight unit is included, and a second substrate is positioned between the backlight unit and the first substrate. The second substrate includes a black matrix having an opening that transmits light emitted from the backlight unit. In operation, the opaque electrode line blocks a portion of the light transmitted through the opening of the black matrix, and another portion of the light transmitted through the opening of the black matrix is transmitted to the semiconductor active layer.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: December 3, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Yongseok Park, Hyelim Ji
  • Patent number: 10497758
    Abstract: A display substrate, a manufacture method thereof and a display panel are provided. The display substrate includes: a first substrate; a plurality of pixel units included in the first substrate, each of the pixel units at least including a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit; a medium film laminated layer arranged on the first substrate, the medium film laminated layer at least covering the first sub-pixel unit and the second sub-pixel unit; the medium film laminated layer is configured to eliminate blue light in a first wavelength range passing the medium film laminated layer, the medium film laminated layer includes at least one first medium film layer and at least one second medium film layer which are laminated alternately, and a refractive index of the first medium film layer is greater than a refractive index of the second medium film layer.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 3, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yonglian Qi, Lianjie Qu, Bingqiang Gui, Hebin Zhao
  • Patent number: 10488569
    Abstract: The purpose of the present invention is to realize a flexible display includes a resin substrate and a TFT having an oxide. The structure of the invention is as follows. A display device comprising: a substrate formed by resin, an inorganic insulating film and a thin film transistor including a semiconductor, wherein an infra-red light reflecting film is formed between the substrate and the thin film transistor.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: November 26, 2019
    Assignee: Japan Display Inc.
    Inventors: Kazufumi Watabe, Hiroshi Kawanago
  • Patent number: 10466560
    Abstract: A display device whose power consumption can be reduced is provided. Alternatively, the aperture ratio of a display device is increased. The display device includes a pixel having a first subpixel and a second subpixel. The first subpixel includes a first coloring layer and a first transistor, and the second subpixel includes a second coloring layer and a second transistor. At least regions where channels might be formed in semiconductor layers of the first and second transistors are positioned to overlap with the first coloring layer. The first coloring layer is likely to absorb light with a shorter wavelength than light absorbed by the second coloring layer. The semiconductor layers, electrodes, wirings, and the like included in the transistors transmit visible light.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: November 5, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kensuke Yoshizumi, Hideaki Shishido
  • Patent number: 10468466
    Abstract: A touch display panel including a thin-film transistor substrate including a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having the same shape as the first metal pattern in a plan view, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer and covering the first metal pattern, the first insulation pattern and the second metal pattern.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Chul-Won Park, Jeong-Min Park, Beung-Hwa Jeong
  • Patent number: 10466526
    Abstract: A liquid crystal display device is equipped with: a TFT array substrate having a thin film transistor in each of pixel areas; and a counter substrate having a black matrix in which an opening part is formed in each of areas corresponding to the pixel areas. The TFT array substrate includes: a protective film formed on a drain electrode of the thin film transistor; a contact hole formed in the protective film so as to reach the drain electrode; and a pixel electrode formed on the protective film and connected to the drain electrode through the contact hole. An inner wall of the contact hole includes a first sloped part and a second sloped part which are arranged in line in a circumferential direction of the contact hole and have slope angles different from each other.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: November 5, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Naruhito Hoka, Manabu Tanahara, Takeshi Sonoda
  • Patent number: 10459302
    Abstract: The present disclosure discloses an array substrate, a display panel and a display device. The array substrate comprises a substrate; a plurality of scanning lines and a plurality of data lines located on one side of the substrate, the plurality of scanning lines are extended in a second direction, the plurality of data lines are extended in a first direction, the plurality of scanning lines intersect the plurality of data lines in an insulated manner; and a plurality of sub-pixels defined by the plurality of scanning lines and the plurality of data lines; where each of the plurality of sub-pixels includes a thin film transistor which comprises an active layer, a gate, a source and a drain, the active layer, the gate, the source and the drain are located on one side of the substrate. The active layer includes a channel region.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: October 29, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Lei Zhang
  • Patent number: 10451936
    Abstract: A passive matrix display has corrugated electrode edges to reduce zone visibility within a display system. A passive matrix display includes a first substrate and a second substrate; a liquid crystal layer positioned between the first and second substrates; a patterned electrode layer formed on the first substrate comprising a plurality of individual electrodes, wherein adjacent individual electrodes are separated by an electrode gap; and a second electrode layer formed on the second substrate. At least a portion of opposing edges of adjacent individual electrodes at the electrode gap include corrugations. The elements of the corrugations may be any suitable shapes and/or sizes as may be suitable for any particular application. The corrugations may be uniformly shaped or varying, symmetric or asymmetric about a horizontal axis, and/or may have a regular or irregular pattern. Another aspect is a display system including the enhanced passive matrix display that reduces zone visibility.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 22, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: David James Montgomery, Hywel Hopkin, Jiyun Yu
  • Patent number: 10451931
    Abstract: A transflective display panel and a transflective display device. The transflective display panel includes: a first substrate and a second substrate disposed opposite to each other, and blue phase liquid crystal disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and pixel electrodes and common electrodes that are disposed on a side of the first base substrate that faces the second substrate, the pixel electrodes serve as reflecting electrodes or both the pixel electrodes and the common electrodes serve as reflecting electrodes. The second substrate comprises a second base substrate.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: October 22, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yingyi Li
  • Patent number: 10451918
    Abstract: A display device includes a display panel and a light source providing light to the display panel. The display panel includes a first polarizing layer to which the light is incident, a first base layer disposed on the first polarizing layer, a first liquid crystal layer disposed on the first base layer and including a plurality of first nanocapsules, a second liquid crystal layer disposed on the first liquid crystal layer and including a plurality of second nanocapsules, a second polarizing layer disposed between the first liquid crystal layer and the second liquid crystal layer, a second base layer disposed on the second liquid crystal layer, and a third polarizing layer disposed on the second base layer. Each of the first and second liquid crystal layers controls a transmittance of the light based on an intensity of an electric field between pixel electrodes and a common electrode.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyungguen Yoon, Jaehong Park, Jiyun Park, Kyunghee Lee, Jaebok Chang
  • Patent number: 10446632
    Abstract: An organic light emitting diode display panel is disclosed, including a TFT and a metal layer located on a gate insulating layer of the TFT, the metal layer includes a first metal portion configured to transmit a direct current signal and a second metal portion facing a gate of the TFT and forms a storage capacitor. The first metal portion includes a first side surface facing the second metal portion, the first side surface includes a first notch covered by a vertical projection of the second metal portion on the first side surface. The first notch increases a distance between the first and the second metal portions and only partially reduces the size of the first metal portion to prevent the first metal portion from being narrow and easily broken, thereby reducing the possibility of short circuit or open circuit of the first and the second metal portions.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: October 15, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Peng Li
  • Patent number: 10446631
    Abstract: Disclosed are an organic light emitting display device to improve an aperture ratio, and a method of manufacturing the same. The organic light emitting display device includes a plurality of contact holes overlapping an anode of an organic light emitting element in each sub-pixel region, wherein conductive films connected through at least one of the contact holes are transparent, thus allowing regions, where the contact holes are formed, to be used as light emitting regions, thereby improving an aperture ratio.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: October 15, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Sun Beak, Jeong-Oh Kim, Jong-Won Lee
  • Patent number: 10444572
    Abstract: The present invention provides a liquid crystal display panel and a manufacturing method thereof. The manufacturing method of the liquid crystal display panel according to the present invention uses a regular mask plate to subject multiple layers of photoresist films that are stacked on each other to patterning treatment with just one round of exposure and development process to form multiple photoresist layers that are stacked on each other, wherein the multiple stacked photoresist layers form photo spacers. Due to the multiple layers of photoresist films having different photosensitivity properties, the multiple photoresist layers, which are formed after being subjected to exposure and development, are of different patterns, wherein being of different patterns means there is a difference existing in at least one of parameters including upper end size, lower end size, and tapering angle.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: October 15, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wu Cao
  • Patent number: 10438715
    Abstract: Example embodiments relate to a nanostructure including a conductive region and a nonconductive region, wherein the conductive region includes at least one first nanowire, and the nonconductive region includes at least one second nanowire that is at least partially sectioned, a method of preparing the nanostructure, and a panel unit including the nanostructure.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eunhyoung Cho, Inyong Song, Changseung Lee, Chan Kwak, Jaekwan Kim, Jooho Lee, Jinyoung Hwang
  • Patent number: 10431640
    Abstract: An embodiment of the present invention provides a display device including a substrate including a display area, and a peripheral area outside the display area and including a bending area, a first conductive layer including a first signal wire over the substrate, a first insulating layer over the first conductive layer, a second insulating layer in a different layer from the first insulating layer, overlapping the bending area, and having a first edge positioned around the bending area, and a protector over the second insulating layer, wherein the first signal wire is in the peripheral area, crosses the first edge of the second insulating layer, does not overlap the bending area, and includes a first portion not covered by the second insulating layer, and wherein the protector overlaps at least a portion of the first portion, and has an edge that is parallel with an edge of the first portion.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hak Lee, Ho Kyoon Kwon, Deuk Jong Kim, Dong-Hyun Lee, Ji Hye Heo