Patents Examined by Charles S Chang
  • Patent number: 11927849
    Abstract: A backlight includes a substrate, a plurality of light sources, a light guide plate, and a plurality of rectangular reflectors including rounded corners. The plurality of light sources are proximate the substrate. The light guide plate is proximate the plurality of light sources. The plurality of rectangular reflectors including rounded corners are in a plane parallel to the light guide plate and each reflector corresponds to a light source.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: March 12, 2024
    Assignee: CORNING INCORPORATED
    Inventors: Songfeng Han, Dmitri Vladislavovich Kuksenkov
  • Patent number: 11927860
    Abstract: An active matrix substrate includes a plurality of thin film transistors including an oxide semiconductor layer, an interlayer insulating layer, a plurality of pixel electrodes arranged above the interlayer insulating layer, a common electrode arranged between the pixel electrode and the interlayer insulating layer and also configured to function as a touch sensor electrode, a first dielectric layer arranged between the interlayer insulating layer and the common electrode, a second dielectric layer arranged between the common electrode and the pixel electrode, a plurality of touch wiring lines arranged between the interlayer insulating layer and the common electrode and formed of a third conductive film, and a plurality of pixel contact portions, in which each of the plurality of pixel contact portions includes a drain electrode of the thin film transistor, a connection electrode formed of the third conductive film and electrically connected to the drain electrode in a lower opening formed in the interlayer i
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: March 12, 2024
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Yoshihito Hara, Tohru Daitoh, Hajime Imai, Teruyuki Ueda, Masaki Maeda, Tatsuya Kawasaki, Yoshiharu Hirata
  • Patent number: 11921386
    Abstract: According to one embodiment, a display device includes a display panel, a first wiring board mounted on the display panel, and a backlight unit located on a back surface side of the display panel to illuminate the display panel. The backlight unit includes a casing which includes a bottom plate including a first slit and a side plate standing at the bottom plate, and a light guide arranged in the casing. The first wiring board passes between the side plate and the light guide and through the first slit and is bent toward a back surface side of the casing.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: March 5, 2024
    Assignee: Japan Display Inc.
    Inventors: Yoshihiro Watanabe, Yoshikatsu Imazeki, Yoichi Kamijo, Koichi Miyasaka, Shuichi Osawa
  • Patent number: 11923376
    Abstract: An electronic device includes a sustaining layer, multiple substrates, multiple photoelectric units, multiple signal layers, multiple driving structures, and a constraining structure. The substrates are arranged on a contact surface of the sustaining layer. A first end edge of at least one substrate approaches a first end edge of the sustaining layer, and a first side edge of one substrate is adjacent to a second side edge of another substrate. The photoelectric units are arranged on the first or/and second surfaces of the substrates. The signal layers are arranged on the substrates and electrically connected to the photoelectric units. The driving structures are electrically connected to the substrates and disposed close to the first or second end edge of the sustaining layer. The constraining structure constrains the first or second end edge of the sustaining layer, and at least one driving structure is accommodated in the constraining structure.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: March 5, 2024
    Assignee: PANELSEMI CORPORATION
    Inventor: Chin-Tang Li
  • Patent number: 11921379
    Abstract: The disclosure relates to a switching process for switching in an autostereoscopic display device from a first view mode to a second view mode, wherein the autostereoscopic display device comprises a display panel, a lenticular device and means for applying a voltage, the process comprising the application of a switching voltage across both switching electrodes of the lenticular device wherein a ramp voltage is applied that increases during a ramp period of at least 0.50 second from a starting voltage at which the lenticular device is in its, first view mode to a final voltage at which the lenticular device is in its second view mode, wherein during at least 0.40 second of the ramp period, the ramp voltage is at an intermediate voltage that is in the range of 5-60% of the minimal voltage; and the final voltage is equal to or higher than minimal voltage.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: March 5, 2024
    Assignee: ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL CO., LTD.
    Inventors: Patrick Godefridus Jacobus Maria Peeters, Hubertus Petrus Cornelis Vankuringen, Ivar Jacco Boerefijn, Andrii Ivanovych Rudavskyi, Pieter Wilhelmus Theodorus De Jong
  • Patent number: 11921382
    Abstract: The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: March 5, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 11921308
    Abstract: An object of the present invention is to provide a polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the first dichroic material and the second dichroic material are aligned horizontally with respect to a surface of the polarizer, the first dichroic material is a compound compatible with the liquid crystal compound, and the second dichroic material is a compound which is not compatible with the liquid crystal compound.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: March 5, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Hoshino, Yuya Hamaguchi
  • Patent number: 11914234
    Abstract: A touch panel and a touch display device are provided. The touch panel includes a display module and a package cover plate. The display module includes a display screen and a first polarizer placed on a side of the display screen. A first frame glue is placed between the package cover plate and the display module, and the first frame glue, the package cover plate and the display module form a cavity. A first liquid crystal is filled in the cavity. The first liquid crystal includes a plurality of first liquid crystal molecules, and orthogonal projections of light axes of some of the first liquid crystal molecules intersect a polarization direction of the first polarizer.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: February 27, 2024
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chingyuan Cheng
  • Patent number: 11906861
    Abstract: Provided are a display panel and a display device. The display panel includes multiple data lines and multiple scanning lines. The multiple data lines intersect with the multiple scanning lines to define multiple pixel units arranged in an array, and the data lines are insulated from the scanning lines; and pixel electrodes of pixel units that are among the multiple pixel units and in at least portion of the array include multiple first branch electrodes arranged in parallel; along a direction of the multiple scanning lines, each of the multiple first branch electrodes includes multiple first branch electrode segments connected sequentially; and an included angle between two adjacently connected first branch electrode segments of the multiple first branch electrode segments is less than 180°.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: February 20, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Ankai Ling, Limei Zhou, Menglan Chen, Poping Shen
  • Patent number: 11906886
    Abstract: A display system includes a display module, a projection component, and a projection bearing component. The projection component is disposed with respect to a display side defined by a second liquid crystal panel. The projection bearing component is disposed with respect to a side of the projection component away from the display module. The projection component is configured to project a display image of the second liquid crystal panel onto the projection bearing component.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: February 20, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zheng Zhou, Suimang Song
  • Patent number: 11910640
    Abstract: A display device includes a display panel, a lens array disposed on a first surface of the display panel and including a plurality of lenses, and an optical filter disposed on the first surface of the display panel. The optical filter includes a plurality of first portions and a plurality of second portions which are alternately arranged in a first direction parallel to the first surface of the display panel. Each of the plurality of first portions has a first transmittance value. Each of the plurality of second portions has a symmetric light transmittance distribution in which a transmittance value increases from the center having a second transmittance value to each of opposite ends having a third transmittance value.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Beom Shik Kim, Jae Joong Kwon, Hyun Jin Cho, Jeong Woo Park
  • Patent number: 11908871
    Abstract: A flexible display device includes: a flexible substrate; a semiconductor layer on the flexible substrate, the semiconductor layer including a polycrystalline semiconductor; a gate insulation layer on the semiconductor layer; and a gate electrode on the gate insulation layer, the gate electrode overlapping a channel region of the semiconductor layer in a plan view, wherein the semiconductor layer includes a source region and a drain region that are at opposite sides of the channel region, wherein the channel region includes a first region contacting the source region and a second region contacting the drain region, and wherein a channel width of the first region is greater than a channel width of the second region.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Keun Woo Kim
  • Patent number: 11901420
    Abstract: The present application discloses a manufacturing method for a gate electrode and a thin film transistor, and a display panel, including: depositing an aluminum film on a substratum by physical vapor deposition; depositing a molybdenum film over the aluminum film by atomic layer deposition; and etching the aluminum film and the molybdenum film to form the gate electrode of a predetermined pattern.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: En-Tsung Cho, Yuming Xia, Wei Li
  • Patent number: 11899329
    Abstract: It is an object of the present invention to apply a sufficient electrical field to a liquid crystal material in a horizontal electrical field liquid crystal display device typified by an FFS type. In a horizontal electrical field liquid crystal display, an electrical field is applied to a liquid crystal material right above a common electrode and a pixel electrode using plural pairs of electrodes rather than one pair of electrodes. One pair of electrodes includes a comb-shaped common electrode and a comb-shaped pixel electrode. Another pair of electrodes includes a common electrode provided in a pixel portion and the comb-shaped pixel electrode.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: February 13, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Hideki Uochi
  • Patent number: 11899302
    Abstract: The present application proposes a display panel and a display device, the display panel includes a liquid crystal display module, a reflective film and a fingerprint identification module. The liquid crystal display module is on a first side of the reflective film, and the fingerprint identification module is on a second side of the reflective film opposite to the first side. The fingerprint identification module includes an invisible light emitting unit and an invisible light sensor. The invisible light emitting unit is configured to emit invisible light in a direction towards the reflective film, and the invisible light sensor is configured to receive reflected invisible light. The reflective film is configured to transmit the invisible light and reflect visible light reaching the reflective film through the liquid crystal display module.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shubai Zhang, Jiantao Liu, Haiwei Sun, Ming Zhai, Yutao Hao, Litao Fan, Shuo Wang, Qin Xin, Zhiqiang Zhang
  • Patent number: 11889647
    Abstract: An electronic device includes a housing that defines an aperture, and a display assembly positioned in the aperture. The display assembly can include a display layer having a first portion, and a second portion bending at least partially below the first portion. The first portion and the second portion can define a bend volume, and a potting material can be disposed in the bend volume, such that the potting material contacts the first portion and the second portion. An internal enclosure can be contoured to the display assembly.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: January 30, 2024
    Assignee: APPLE INC.
    Inventors: Izhar Z. Ahmed, John J. Baker, Bulong Wu, Daniel W. Jarvis, Douglas G. Fournier, Eric W. Bates, Hao Dong, Isabel S Gueble, Jason C. Law, Jingjing Xu, Kikue S. Burnham, Paul U. Leutheuser, Sarah Trabia, Sawyer I. Cohen, Shaorui Yang, Shaowei Qin, Siddharth Avachat, Yaocheng Zhang, Ying-Chih Wang, Zhen Zhang, Benjamin R. Pope
  • Patent number: 11880104
    Abstract: A reflective polarizer has a transmittance for a first polarization state having a band edge separating a first wavelength range extending at least from about 450 nm to about 900 nm and a second wavelength range extending at least from about 1100 nm to about 1300 nm. For the first polarization state, the reflective polarizer has an average transmittance in the first wavelength range less than about 10% and an average transmittance in the second wavelength range greater than about 80%; and for a second polarization state, the reflective polarizer has an average transmittance in the first wavelength range greater than about 40% and an average transmittance in the second wavelength range greater than about 80%. A display system includes the reflective polarizer and an infrared light source configured to emit an infrared light having a wavelength W1. The band edge has a band edge wavelength W2>W1.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: January 23, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Carl A Stover, Robert D. Taylor, Bharat R. Acharya
  • Patent number: 11881487
    Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, and including a first channel portion, a second channel portion, a connecting portion disposed between the first channel portion and the second channel portion, and electrode regions, a first insulating layer disposed on the semiconductor layer, a gate conductor disposed on the first insulating layer and including a first gate electrode overlapping the first channel portion and a second gate electrode overlapping the second channel portion, signal lines disposed on the substrate, a first electrode electrically connected to at least one of electrode regions of the semiconductor layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, and the first channel portion and the second channel portion of the semiconductor layer each have a first width greater than a second width of the connecting portion.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Han Bit Kim, Mee Jae Kang, Keun Woo Kim, Doo-Na Kim, Sang Sub Kim, Do Kyeong Lee, Jae Hwan Chu
  • Patent number: 11882264
    Abstract: An autostereoscopic device and a method for generating an autostereoscopic image are disclosed. The device includes a substrate comprising a plurality of electrodes, a first image-forming layer, a light-transmissive layer, and a second image-forming layer. The first and second image-forming layers comprise a plurality of microcapsules or microcells. Each of the microcapsules or microcells comprises a dispersion of electrophoretic particles.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: January 23, 2024
    Assignee: E Ink Corporation
    Inventor: Stephen J. Telfer
  • Patent number: 11874560
    Abstract: A backlight for providing uniform illumination to a display panel includes a plurality of discrete light sources. A multilayer polymeric partial reflector is disposed on the plurality of discrete light sources. For substantially normally incident light the partial reflector includes a reflection band includes a blue wavelength, a reflectance greater than about 80% at the blue wavelength, a left band edge between about 370 nm to about 420 nm, a right band edge between about 500 nm and 600 nm, and an average transmission between about 20% to about 80% for visible wavelengths greater than the right band edge. A reflective polarizer is disposed on the partial reflector. For substantially normally incident light having the blue wavelength, the reflective polarizer reflects at least 60% of the light having the first polarization state and transmits at least 60% of the light having the second polarization state.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: January 16, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Gary T. Boyd