Liquid Crystal Writing Tablet Patents (Class 349/12)
  • Patent number: 11569309
    Abstract: A display device includes a flexible substrate, a display layer disposed on the flexible substrate and including a plurality of light emitting units, a first conductive layer disposed on the display layer, including a plurality of first conductive lines, and a second conductive layer disposed on the first conductive layer, including a plurality of second conductive lines. A portion of the second conductive lines intersects the plurality of first conductive lines to form a plurality of capacitors, and another portion of the second conductive lines forms a plurality of touch units. At least one of the plurality of capacitors does not overlap the plurality of light emitting units in a top view of the display device.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: January 31, 2023
    Assignee: InnoLux Corporation
    Inventor: Yuan-Lin Wu
  • Patent number: 11569290
    Abstract: A sensing device includes a light-transmissible substrate, a light-transmissible electrode unit connected thereto, including multiple electrically independent electrode lines, and a light sensing unit connected to the light-transmissible substrate and the light-transmissible electrode unit. The light sensing unit includes a plurality of light sensors for sensing a light transmitted from the light-transmissible substrate. The light sensors are confined within the light-transmissible electrode unit and are electrically connectable to an outer component through the light-transmissible electrode unit.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: January 31, 2023
    Inventor: In-Cha Hsieh
  • Patent number: 11561662
    Abstract: An input-sensing unit includes first sensing electrodes, second sensing electrodes, first sensing lines, second sensing lines, third sensing lines, and bridge patterns. The second sensing electrodes are electrically insulated from the first sensing electrodes. The first sensing lines are respectively connected to the first sensing electrodes. The second sensing lines are respectively connected to first ends of the second sensing electrodes. The third sensing lines are respectively connected to second ends of the second sensing electrodes. The second ends oppose the first ends. The bridge patterns are respectively connected to the third sensing lines. The bridge patterns are closer to the first ends than to the second ends. The bridge patterns extend in a direction parallel to the third sensing lines.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: January 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Jin Yang, Kicheol Kim, Hyunsik Park, Chungi You
  • Patent number: 11554571
    Abstract: A decorative print member and a display device including the decorative print member are provided. The decorative print member includes a base layer, a first decorative print pattern disposed on the base layer, and a shielding layer disposed over the first decorative print pattern. The first decorative print pattern includes a first decorative print layer disposed on the base layer, and a second decorative print layer disposed on the first decorative print layer. The shielding layer covers upper and side surfaces of the second decorative print layer, and a side surface of the first decorative print layer protrudes outwardly from the side surface of the second decorative print layer and a side surface of the shielding layer.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: January 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Su Kim, Ji Young Wang
  • Patent number: 11556184
    Abstract: Apparatuses and methods of high-distance directional proximity sensors are described. One apparatus includes at least three electrodes in a sensor layer, an electrode in a shield layer, and an insulator located between the layers. A processing device is configured to scan the at least three electrodes over a period of time to obtain a digital signal for each of the at least three electrodes while driving a shield signal on the electrode of the shield layer. The processing device detects a gesture by an object using the digital signals. The processing device measures an amplitude value of the digital signal for each of the at least three electrodes and outputs an indication of the gesture responsive to a ratio of a highest amplitude value and a lowest amplitude value satisfying a first threshold criterion that represents the object being within a proximity detection area above the sensor layer.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: January 17, 2023
    Assignee: Cypress Semiconductor Corporation
    Inventors: Andriy Maharyta, Vasyl Mandziy, Oleksandr Karpin, Oleksandr Hoshtanar
  • Patent number: 11556197
    Abstract: A touch panel includes a thin-film substrate, a first conductive layer, and a second conductive layer. The thin-film substrate has a display region and a peripheral region defined thereon, has a first surface and a second surface opposite to each other, and has a thickness. The first conductive layer is disposed on the first surface and includes a plurality of first traces disposed in the peripheral region. The second conductive layer is disposed on the second surface and includes a plurality of second traces disposed in the peripheral region. The thin-film substrate has at least one groove at an interlaced region between one of the first traces and one of the second traces. The groove is in one of the first surface or the second surface and has a depth. The depth is between about 2.5 ?m and about one-half of the thickness.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 17, 2023
    Assignee: TPK Advanced Solutions Inc.
    Inventors: Liang Zhen Xu, Yu Zhang, Fei Zhen Wu, Chao Gao, Yi Zhong Lin
  • Patent number: 11551829
    Abstract: The disclosure provides an electronic device. The electronic device includes a stretchable substrate, a plurality of electronic elements, and at least one connection element. The electronic elements and the connection element are disposed on the stretchable substrate. The connection element is disposed between two adjacent electronic elements, and the two adjacent electronic elements are electrically connected to each other via the connection element. Each electronic element may include at least one functional unit and an electrode, wherein the electrode is in direct contact with the functional unit. The connecting element includes at least one stretchable conductive unit and at least one buffer conductive unit, wherein the buffer conductive unit contacts the electrode, and the stretchable conductive unit is electrically connected to the electrode through the buffer conductive unit. The yield strain of the stretchable conductive unit is greater than the yield strain of the buffer conductive unit.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: January 10, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hung-Yi Chen, Yen-Ching Kuo, Hong-Ming Dai, Shu-Tang Yeh, Wen-Lung Chen, Jane-Hway Liao
  • Patent number: 11543926
    Abstract: An electronic apparatus includes a display module in which a folding area is defined, a plate disposed below the display module to support the display module, a digitizer disposed between the plate and the display module, a first adhesive layer disposed between the display module and the digitizer, and a second adhesive layer disposed between the digitizer and the plate. At least one of the first adhesive layer and the second adhesive layer includes first and second sub-adhesive layers spaced apart with respect to the folding area.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Dasom Gu, Yongchan Jeon, Hyun-Been Hwang
  • Patent number: 11537182
    Abstract: The present invention discloses a display panel, a chip and a flexible circuit board. The display panel includes a panel body and at least two signal transmission circuits. The signal transmission circuit includes a line input terminal used for binding to a flexible circuit board, which is disposed at the peripheral area, a signal transmission line, and a line output terminal used for binding to a chip, which is disposed at the peripheral area. At least two of the line output terminals are arranged in a two-dimensional array. The present invention can reduce the impedance of a part of the signal transmission line.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: December 27, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Gonghua Zou, Yucheng Lu, Xiang Yang
  • Patent number: 11531228
    Abstract: Provided is a display device, including a display screen, a transparent cover plate and a first light-shielding structure, wherein the display screen includes a display panel, a transparent bonding layer, a touch structure and a second light-shielding structure, and the display screen is provided with a through hole penetrating through the display panel, the transparent bonding layer and the touch structure. The first light-shielding structure is disposed on the transparent cover plate and surrounds the through hole, the second light-shielding structure is disposed on the touch structure and surrounds the through hole, and orthographic projections of both the first and second light-shielding structures onto the display panel are within the non-display region.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: December 20, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Zeng, Ce Wang, Qiang Tang, Xin Qing
  • Patent number: 11531437
    Abstract: A touch substrate and a manufacturing method thereof, and a display panel are disclosed. The touch substrate is applicable to an array driving structure. The array driving structure includes: a first signal line extending in a first direction and a second signal line extending in a second direction intersecting with the first direction; and the touch substrate includes a touch electrode structure, and the touch electrode structure is configured to be stacked with the array driving structure and includes: a first touch electrode extending in a third direction and a second touch structure extending in a fourth direction. The third direction is different from both the first direction and the second direction; and a second touch electrode is insulated from and intersects the first touch electrode.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: December 20, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ji Dong
  • Patent number: 11531432
    Abstract: A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: December 20, 2022
    Assignee: Japan Display Inc.
    Inventors: Takayuki Nakanishi, Naoki Takada, Fumitaka Gotoh, Shota Hosaka
  • Patent number: 11531436
    Abstract: A touch panel and a method of manufacturing the same, an electronic device are provided. The touch panel includes a bending area bent along a bending axis. It further includes: a plurality of first touch electrodes extending along a first direction; a plurality of second touch electrodes extending along a second direction; and a metal mesh pattern at least provided in the bending area. The metal mesh pattern includes a first metal mesh line extending along the first direction and connected with the first touch electrode in parallel. The second direction intersects with the first direction.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: December 20, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiawei Xu, Taofeng Xie, Wenjin Fan, Zhao Dong
  • Patent number: 11526231
    Abstract: A touch display screen and a display device thereof are provided. By extending a first conductive line to a first side and a second conductive line to a second side, the first conductive line and the second conductive line corresponding to a first self-capacitance electrode and a second self-capacitance electrode in a touch module can be changed from a traditional vertical arrangement to a horizontal arrangement. Meanwhile, conductive lines on two sides are led out from opposite sides, thereby reducing a blind region of a touch screen and enhancing touch performance of the touch screen.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: December 13, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jian Ye
  • Patent number: 11513653
    Abstract: An electronic apparatus includes a window, a display panel disposed on a lower surface of the window, and a digitizer disposed on a lower surface of the display panel. The digitizer includes a first photosensitive resin layer, a first sensing coil disposed on one surface of the first photosensitive resin layer, a second photosensitive resin layer disposed spaced apart from the first photosensitive resin layer, and a first adhesive layer disposed between the first photosensitive resin layer and the second photosensitive resin layer and which adheres the first photosensitive resin layer and the second photosensitive resin layer.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hirotsugu Kishimoto, Hyun-Been Hwang
  • Patent number: 11500238
    Abstract: A method of manufacturing a polymer dispersed liquid crystal, PDLC, film, the method comprising: forming a region of liquid polymer (206) on a substrate (212); depositing one or more liquid crystal, LC, formulations (214) into the liquid polymer; and thereafter curing (234) the liquid polymer (206) to thereby induce phase separation between the polymer (206) and the liquid crystal formulations (214), resulting in PDLC pixels (236) which are phase separated from the surrounding, cured polymer—thereby producing a PDLC film.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: November 15, 2022
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Ellis Parry, Stephen Morris, Steve Elston, Alfonso Castrejón-Pita
  • Patent number: 11494011
    Abstract: An electronic device includes a substrate, a polarizer, a flexible printed circuit board, a first transparent glue layer, a first colloid, and a second colloid. The substrate includes a first side and a second side. The first side is opposite to the second side. The polarizer is disposed on the first side of the substrate. The flexible printed circuit board is connected to the first side of the substrate with a conductive glue. A gap is formed between flexible circuit board and polarizer. The first transparent glue layer is disposed on the second side of substrate. The first colloid is configured to bond at least two of substrate, polarizer, or flexible printed circuit board. The second colloid is configured to bond at least two of the substrate, the flexible printed circuit board, or the first transparent glue layer. The first colloid is not in contact with the second colloid.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: November 8, 2022
    Assignee: TPK Advanced Solutions Inc.
    Inventors: Xian Bin Xu, Ming Qiang Fu, Shi Yuan Lian, Yong Hui Huang, Xiong Min Zhang, Chen Hsin Chang
  • Patent number: 11493795
    Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening and having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed between a side surface of the sensor and the auxiliary layer, in which the second adhesive layer and the first adhesive layer contact each other.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: November 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Min Wang, Beohm Rock Choi, Yong Ho Yang
  • Patent number: 11487144
    Abstract: A novel input/output device that is highly convenient or reliable is provided. The input/output device includes a display portion and an input portion, and the display portion includes a liquid crystal element. The liquid crystal element includes a first electrode, a second electrode, a layer containing a liquid crystal material, a first alignment film, and a second alignment film, and the second electrode is provided such that an electric field is applied to the layer containing a liquid crystal material between the first electrode and the second electrode. The layer containing a liquid crystal material scatters incident light with first scattering intensity when the electric field is in a first state, the layer containing a liquid crystal material scatters the incident light with second scattering intensity when the electric field is in a second state, which is higher than that in the first state, and the second scattering intensity is 10 or more times as high as the first scattering intensity.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 1, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Koji Kusunoki, Tetsuji Ishitani
  • Patent number: 11481070
    Abstract: Touch sensing performance can be improved using display noise correction. In some examples, a touch sensor panel in proximity to a display can capture a first touch image from a touch sensor panel concurrently with updating the display and a second touch image from the touch sensor panel concurrently with blanking the display (e.g., while the display is not updating). A composite touch image can be generated by summing a filtered first touch image and a filtered second touch image. The composite touch image can be further filtered using robust regression techniques to remove residual display noise.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 25, 2022
    Assignee: Apple Inc.
    Inventors: Daniel Ganjali, Michael Robert White
  • Patent number: 11481058
    Abstract: The disclosure provides a touch display device, a touch display panel, a touch display panel and a driving method. The touch display panel includes a first substrate, multiple micro light emitting devices, multiple micro driving devices and multiple touch driving electrodes. Each micro driving device corresponds to the multiple micro light emitting devices to drive the multiple micro light emitting devices to emit light. At least one touch driving electrode corresponds to at least one micro driving device. The touch driving electrode receives a signal transmitted to a corresponding micro driving device as a touch driving signal, or, the touch driving electrode receives a signal outputted by the corresponding micro driving device as the touch driving signal. Therefore, there is no need for a main driver chip to provide the touch driving signal to the touch driving electrode. Thus, the power consumption of the main driver chip is greatly reduced.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: October 25, 2022
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Yingteng Zhai
  • Patent number: 11467685
    Abstract: Embodiments disclosed herein relate to a touch display panel and a touch display device. By arranging a shielding structure, which is connected to a touch electrode in a region where a touch line and a data line overlap each other or is applied with a shielding signal corresponding to a touch driving signal from an outside circuit, between the touch line and the data line, it is possible to prevent direct capacitance from being formed between the touch line and the data line, and to prevent the capacitance formed due to the data line from causing noise on a touch sensing signal. In addition, by arranging a touch load reduction layer between the shielding structure and the touch line, it is also possible to reduce the capacitance between the touch line and the data line arranged in the horizontal direction, thereby improving touch sensing performance.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: October 11, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: HoonBae Kim, CheolSe Kim, SeungMok Shin, JuHan Kim, YongChan Park, HyunHo Park
  • Patent number: 11465929
    Abstract: A flat glass is provided that exhibits high transmittance to electromagnetic radiation in a range of wavelengths from 200 nm to 1500 nm. The transmittance for the flat glass having a thickness of 1 mm is 20% or more at a wavelength of 254 nm, 82% or more at a wavelength of 300 nm, 90% or more at a wavelength of 350 nm, 92% or more at a wavelength of 546 nm, 92.5% or more at a wavelength of 1400 nm, 91.5% or more in a wavelength range from 380 nm to 780 nm, and 92.5% or more in a wavelength range from 780 nm to 1500 nm.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: October 11, 2022
    Assignee: SCHOTT AG
    Inventors: Gerhard Lautenschläger, Andreas Krieg, Andreas Voitsch, Axel Engel, Christian Pitzel, Matthias Schmidt, Thomas Kloss
  • Patent number: 11462699
    Abstract: A display panel, a method for manufacturing the display panel and a display device are provided. The display panel includes a flexible substrate, a surface of which is provided with a plurality of protrusions; a plurality of organic light-emitting elements disposed on the flexible substrate, at least a portion of the plurality of organic light-emitting elements being located within regions where the protrusions are located. Therefore, parts with the organic light-emitting elements can be stepped by utilizing the protrusions of the flexible substrate, so a thickness of the flexible substrate except the protrusions can be effectively reduced, and the display panel can be in contact with other structures by utilizing the protrusions, so that the portion of the flexible substrate except the protrusions has a deformation space of higher freedom, and a tensile strength of the display panel can be improved.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: October 4, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Jinxiang Xue, Zhongyuan Sun, Xiaofen Wang, Wenqi Liu, Kai Sui
  • Patent number: 11450690
    Abstract: A display includes at least an array substrate, and the array substrate has a drive circuit layer. At least one first notch is provided on an outer edge of a lead-out side of the array substrate, and a first conductor is disposed in each first notch. A first end of the first conductor is in contact with a lead end of the drive circuit layer, and a second end of the first conductor extends along the first notch to a back side of the array substrate.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: September 20, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shanshan Wei, Yanfeng Liang, Yuanjian Liu, Jianhui Li, Haohui Long
  • Patent number: 11432415
    Abstract: The present disclosure provides an electronic device, including a housing and a flexible display apparatus. The housing includes a first frame, a second frame, and a hinge connected between the first frame and the second frame. The flexible display apparatus is arranged on the first frame, the second frame, and the hinge. The flexible display apparatus includes a supporting piece and a flexible display screen arranged on the supporting piece. The flexible display screen includes a bendable area, and an elastic adhesive is arranged between a back surface of the flexible display screen in the bendable area and the supporting piece, and the elastic adhesive is located at or near a position between an outer side of the flexible display screen and a corresponding outer side of the supporting piece. The present disclosure also provides a flexible display apparatus of the electronic device.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 30, 2022
    Assignee: SHENZHEN ROYOLE TECHNOLOGIES CO., LTD
    Inventor: Xiaofei Fan
  • Patent number: 11428991
    Abstract: The liquid crystal display device includes, sequentially from a viewing surface side to a back surface side: a linearly polarizing plate and a circularly polarizing plate including a first ?/4 retardation layer; a thin-film transistor substrate including a pair of electrodes disposed in a pixel region and a metal line disposed outside the pixel region; a liquid crystal layer containing liquid crystal molecules aligned parallel to the thin-film transistor substrate, alignment of the liquid crystal molecules varying in response to an electric field generated by application of voltage to the pair of electrodes; a color filter substrate including a color filter layer; and a backlight, the thin-film transistor substrate including a second ?/4 retardation layer, the color filter substrate including a reflective layer disposed outside the pixel region and configured to reflect incident light from the backlight toward the back surface.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: August 30, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kawahira, Takako Koide, Masahiro Hasegawa, Akira Hirai, Akira Sakai, Kiyoshi Minoura
  • Patent number: 11424298
    Abstract: A display panel and a display device are provided. The display panel includes an imaging layer, a pinhole light-shielding layer, a display array layer and a touch layer. The imaging layer, the display array layer and the touch layer are sequentially disposed; the pinhole light-shielding layer is between the imaging layer and the touch layer, and includes light-shielding regions and at least one hole-shaped light-transmitting region that is corresponding to the imaging layer; the display array layer is configured to emit light from a side away from the imaging layer; and the touch layer includes touch mesh patterns formed by conductive wires, and at least one of the touch mesh patterns includes a first mesh corresponding to the hole-shaped light-transmitting region and includes second meshes outside the first mesh, and a size of the first mesh is larger than sizes of the second meshes.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: August 23, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanyuan Li, Meizhu Zheng, Junjie Li
  • Patent number: 11416099
    Abstract: The present disclosure relates to a touch display panel capable of significantly reducing a number of touch channels provided in a touch display panel in related art and a touch display device including the touch display panel. To this end, the touch display panel according to the present disclosure includes a plurality of touch blocks with a plurality of touch electrodes arranged in a row direction and a plurality of touch lines arranged in a column direction and connected to the touch electrodes, and the touch block includes a total of 25 touch electrodes and nine touch lines. Accordingly, according to the present disclosure, the touch display panel may significantly reduce a number of touch channels and the touch electrodes may be flush with the touch lines.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: August 16, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Yongchan Park, Inhyuk Song
  • Patent number: 11409173
    Abstract: An array board 11b includes a display section AA, a source line 20 connected to the display section AA, a test circuit 40 connected to the source line 20 and configured to test the display section AA, a panel-side image input terminal that is disposed such that the test circuit 40 is between the terminal and the display section AA and to which a signal to be supplied to the source line 20 is input, a terminal connection line 51 connecting the source line 20 to the pane-side image input terminal 35A and the terminal connection line 51 including the terminal connection line 51 at least a part of which overlaps the test circuit 40 and a flattening film (insulation film) 28 at least disposed between an overlapping portion of the test circuit 40 and the terminal connection line 51.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: August 9, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Yohsuke Fujikawa
  • Patent number: 11409175
    Abstract: A cholesteric liquid crystal device has an optical response opposite to that of the Prior Art. The liquid crystal device takes advantage of a unique and unusual effect in cholesteric liquid crystals where pressure applied to the device with a pointed stylus, without applying a voltage, creates a transmissive texture as opposed to the planar texture of the Prior Art.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: August 9, 2022
    Assignee: Kent Displays, Inc.
    Inventors: Mauricio Echeverri, Clinton Braganza, Anthony Daniels
  • Patent number: 11392258
    Abstract: The present application provides a touch panel, a display panel and a display device. The touch panel includes: a base substrate; a first conductive structure on the base substrate; and a dielectric structure on the first conductive structure. The first conductive structure includes: a first electrode structure and a second electrode structure that are spaced apart from each other. A projection of the dielectric structure to the base substrate overlaps at least a part of a projection of the first electrode structure and the second electrode structure to the base substrate.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dalin Xiang, Yuanyuan Li, Meizhu Zheng, Zewen Bo, Jiuzhen Wang, Lina Liu
  • Patent number: 11385754
    Abstract: An objective of the present invention is to provide a touch sensor using both a projected capacitive (PCAP) and an electro-magnetic resonance (EMR) method in a display device.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: July 12, 2022
    Assignee: AHAINC CO., LTD.
    Inventor: Gi Do Koo
  • Patent number: 11387293
    Abstract: A display device includes a display panel and an input sensing circuit. The input sensing circuit includes a plurality of sensors and signal lines electrically connected to each of the plurality of sensors. Each of the plurality of signal lines includes a lower line and an upper line overlapping the lower line, and the lower line and the upper line are electrically connected in a plurality of contact areas. A long signal line among the plurality of signal lines has more contact areas than a short signal line.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: July 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sunhwa Lee, Mukyung Jeon, Jaehyung Cho, Kihyun Pyo
  • Patent number: 11378731
    Abstract: The present disclosure provides a light collimation device, a backlight module, and a display device, and relates to the field of display technology. The light collimation device includes: a curved reflection member configured to reflect a light from a light source disposed at a focus of the curved reflection member into a light guide member; the light guide member configured to make the light incident into the light guide member propagate by total reflection; and a light extraction structure disposed on the light guide member and configured to extract the light from the light guide member in a collimated manner.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: July 5, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Jifeng Tan
  • Patent number: 11379085
    Abstract: The present disclosure relates to the field of touch technology, and provides a touch module, which includes a substrate, a first bridging layer, a first touch sensing layer, a second bridging layer, and a second touch sensing layer. The first bridging layer extends on the substrate along a first direction. The first touch sensing layer is disposed on the substrate and includes a plurality of first touch sensing electrodes, wherein the first bridging layer connects adjacent first touch sensing electrodes of the first touch sensing electrodes. The second bridging layer is disposed on the first bridging layer, located between the adjacent first touch sensing electrodes, and connected in parallel with the first bridging layer. The second touch sensing layer is disposed on the substrate, crosses the second bridging layer along a second direction, and is disposed between the adjacent first touch sensing electrodes.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: July 5, 2022
    Assignee: TPK Advanced Solutions Inc.
    Inventors: Qi Bin Liu, Kuo Lung Fang, Ya Mei Chen, Ya Ting Hsu
  • Patent number: 11379065
    Abstract: Disclosed by the present disclosure are a touch module and a driving method therefor, and a touch display device. The touch module has a touch area and a non-touch area. The touch module comprises: touch signal lines extending from the touch area to the non-touch area, and n data selection units connected to the touch signal lines extending to the non-touch area; each data selection unit is connected to m touch signal lines; each of the data selection units comprise m switching transistors and one data selection line, each switching transistor is in one to one correspondence with one touch signal line, control terminals of the switching transistors are connected to level signal lines that provide time-sharing driving level signals respectively, first terminals of the switching transistors are connected to corresponding touch signal lines respectively, and second terminals of the switching transistors are each connected to the data selection lines.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: July 5, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Yuanzhang Zhu
  • Patent number: 11366537
    Abstract: A substrate, and the substrate includes a base and a touch structure layer are provided. The substrate includes a base and a touch structure layer, the touch structure layer is disposed on the base and includes a first electrode layer, a color filter layer and a second electrode layer laminated on the base, and the color filter layer is disposed between the first electrode layer and the second electrode layer.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: June 21, 2022
    Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Dai, Jongkyun Lee, Hongcan Liu, Xin Cao, Zhu Chen, Haoyuan Fan, Kwiyoung Yun
  • Patent number: 11366556
    Abstract: An electronic substrate and a manufacture method thereof, and an electronic device are provided, the electronic substrate includes a base substrate and a first conductive structure on the base substrate, a portion of the first conductive structure on the base substrate and at least on a side of the first conductive structure away from the base substrate has an etching barrier property.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: June 21, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jun Chen, Ming Zhang, Qicheng Chen, Huan Liu
  • Patent number: 11360611
    Abstract: The embodiments of the present disclosure provide a flexible touch substrate and a method for fabricating the same, and a touch display device and relate to touch control technology. Deformation or crack of the touch electrode pattern when the flexible touch substrate is bent, and can realize large curvature bending. The flexible touch substrate includes a flexible base substrate, touch electrode patterns disposed on a first surface of the flexible base substrate, and at least one groove on at least one of the first surface and a second surface opposite the first surface of the flexible base substrate, wherein a projection of the groove on the base substrate is within a projection of a gap between the touch electrode patterns on the base substrate.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: June 14, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhanqi Xu, Ming Zhang, Yanping Zhang
  • Patent number: 11360349
    Abstract: The display equipment includes: a housing, including a backplane and a side wall perpendicular to the backplane; a display component, placed parallel to the backplane, and covering the backplane and the side wall of the housing; and a fixing component, located between the backplane and the display component, and fixing the housing to the display component.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: June 14, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Zhaonan Liu
  • Patent number: 11363181
    Abstract: The present application provides a display module and a display device, wherein a display panel is provided with an opening; a cover plate covers the display panel and has a first refractive index; a camera module is disposed corresponding to the opening; a light-transmitting body is disposed in the opening and has a second refractive index; and a spacer layer is disposed between the external camera module and the light-transmitting body and has a third refractive index, wherein the second refractive index is greater than or equal to the first refractive index, and the second refractive index is greater than the third refractive index.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: June 14, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jun Chen, Liang Sun
  • Patent number: 11347363
    Abstract: A touch electrode structure and a capacitive touch system are provided. The touch electrode structure includes: a substrate; a plurality of first electrode series each including a plurality of first electrodes; a plurality of second electrode series each including a plurality of second electrodes; and at least one connecting wire. Each of the second electrode series includes at least one electrode group, and the at least one electrode group includes two of the second electrodes. The two of the second electrodes are electrically connected to each other on a first surface of the substrate, and at least one of the two of the second electrodes is electrically connected to one of the second electrodes adjacent to the at least one of the two of the second electrodes.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: May 31, 2022
    Assignee: SILICON INTEGRATED SYSTEMS CORP.
    Inventors: Wei-En Shih, Ying-Jyh Yeh, Yi-Chun Chen
  • Patent number: 11347088
    Abstract: An anti-peep structure, a method for manufacturing an anti-peep structure, and a display device are provided. The anti-peep structure includes a substrate made of a first material having a first refractive index, the substrate including a light incident surface and a light outgoing surface disposed opposite to each other, where a plurality of grooves are disposed in the substrate at a side of the light incident surface or the light outgoing surface; a second material having a second refractive index disposed in the plurality of grooves; and a refractive index regulating component configured to control the second refractive index; where a viewing angle at the light outgoing surface is determined by a difference between the first refractive index and the second refractive index.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: May 31, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongchuan Chen, Xueqiang Qian, Bingyang Liu, Dan Wang, Xinli Ma
  • Patent number: 11342518
    Abstract: A flexible electroluminescent display apparatus can include a flexible substrate including an active area and a bending area extending from the active area; a thin film transistor disposed on the active area and including a semiconductor layer, a gate electrode, a source electrode and a drain electrode; an planarization layer disposed on the thin film transistor; a light emitting element disposed on the planarization layer in the active area and connected to the thin film transistor through a connection electrode; and a first wiring line and a second wiring line disposed in the bending area, in which the first wiring line, the source electrode and the drain electrode are configured as a same layer, and the second wiring line and the connection electrode are configured as a same layer, and the first wiring line and the second wiring line are directly connected to each other.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: May 24, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DaeKyung Kim, JaeSung Jeon
  • Patent number: 11340485
    Abstract: An LCD device defining a display area includes a backlight module for providing light, an LCD panel stacked on the backlight module, and a fingerprint sensor in the backlight module. The fingerprint sensor is positioned in the display area and defines a fingerprint sensing area in the display area.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: May 24, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Hung-Yun Huang
  • Patent number: 11340664
    Abstract: A display device and a manufacturing method thereof are provided. The display device includes: a flexible substrate including a display portion and a back portion that are connected with each other, the display portion including a display side and a back side opposite to the display side, the back portion being located at the back side of the display portion; and an antenna located on the back portion.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Dong Li, Chunyang Wang, Zheng Liu, Ming Liu
  • Patent number: 11334184
    Abstract: The present disclosure provides a touch sensing device and a touch control display panel. The touch control display panel includes the touch sensing device. The touch sensing device includes a buffer layer, a first metal layer, a passivation layer, a second metal layer, and a planarization layer, and is provided with a through-hole. A position surrounding the through-hole further includes a first compensation electrode and a second compensation electrode. The first compensation electrode is disposed around the through-hole to form a circular arc shape and is electrically connected to first electrodes adjacent to the through-hole, and the second compensation electrode is disposed around the through-hole to form a circular arc shape and is electrically connected to second electrodes adjacent to the through-hole.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: May 17, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jian Ye
  • Patent number: 11334179
    Abstract: The present disclosure relates to display technology and, particularly, to a display panel and a display device. In the display panel, a bridging connection layer includes multiple bridge electrodes and a touch electrode layer includes multiple first touch electrodes and multiple second touch electrodes. A first electrode unit of each first touch electrodes includes a first electrode subsection. A vertical projection of the first electrode subsection on a plane where the bridging connection layer is located is within a cover of a bridge electrode. In one embodiment, each bridge electrode includes a bridge electrode terminal and a bridge trace, in a second direction where multiple second electrode units of each second touch electrode are arrange, and extension length of the bridge electrode terminal is greater than a width of the bridge trace, and a first corner is formed at a joint of the bridge electrode terminal and the bridge trace.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: May 17, 2022
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yuanbo Li, Jiachang Gu, Xianbao Song, Tao Peng, Pei He
  • Patent number: 11328527
    Abstract: The present disclosure provides an ultrasonic fingerprint sensor, a display substrate, a driving method thereof and a display device. The ultrasonic fingerprint sensor includes: a base substrate; a driving structure provided on the base substrate and configured to transmit an ultrasonic signal; a receiving structure provided on the base substrate and configured to receive the ultrasonic signal reflected by a finger, and convert the ultrasonic signal into an electrical signal for determining fingerprint information, the driving structure and the receiving structure are provided in a same plane. Since the driving structure and the receiving structure of the ultrasonic fingerprint sensor of the present disclosure are in a same plane, the driving structure can be closer to the touch body (for example, a finger), which is advantageous for the ultrasonic waves generated by the driving structure to reach the finger to improve the touch accuracy.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pinchao Gu, Xue Dong, Haisheng Wang, Chunwei Wu, Yingming Liu, Rui Xu, Changfeng Li, Yanan Jia, Yuzhen Guo, Yunke Qin, Lijun Zhao