Liquid Crystal Seal Patents (Class 349/153)
  • Patent number: 12004366
    Abstract: An electronic apparatus includes a window, a display module that includes a module hole, an optical member disposed between the window and the display module and in which a first opening that overlaps the module hole is formed, and a cover pattern disposed on an inner surface of the first opening of the optical member.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: June 4, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Dong-Su Yee
  • Patent number: 11921380
    Abstract: An electronic device is provided. The electronic device includes a working region and a non-working region adjacent to the working region. The electronic device includes a first substrate, a first photo spacer, a second photo spacer, and a plurality of third photo spacers. The first photo spacer is disposed on the first substrate in the working region and has a first thickness. The second photo spacer is disposed on the first substrate in the non-working region and has a second thickness. The plurality of third photo spacers are disposed on the first substrate. The first photo spacer is disposed between two of the plurality of third photo spacers. At least one of the plurality of third photo spacers has a third thickness. The first thickness is different from the second thickness, and the third thickness is less than the first thickness.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: March 5, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Tang-Chin Hung, Zhi-Fu Huang
  • Patent number: 11906851
    Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: February 20, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
  • Patent number: 11860483
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: January 2, 2024
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Patent number: 11841594
    Abstract: Embodiments of the present disclosure provide a display panel, a preparing method, and a display device. The display panel includes: a color film substrate and an array substrate opposite to the color film substrate. The color film substrate includes: an opposite substrate, a color resistance layer on the opposite substrate and a plurality of support structures on a side, away from the opposite substrate, of the color resistance layer at intervals. The array substrate includes: a base substrate and a plurality of auxiliary structures on a side, facing the opposite substrate, of the base substrate at intervals. At least one auxiliary structure of the plurality of auxiliary structures correspondingly contacts with at least one support structure of the plurality of support structures.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: December 12, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Quan Gan, Mingfei Zhang, Yongcan Wang, Fengzhen Lv, Xianjie Shao, Rui Ma
  • Patent number: 11828964
    Abstract: A light control sheet includes a light control layer including a liquid crystal composition, a pair of transparent electrode layers including a first transparent electrode layer and a second transparent electrode layer sandwiching the light control layer, and a pair of transparent support layers sandwiching the light control layer and the pair of transparent electrode layers. The first transparent electrode layer includes an electrode section for an application of a driving voltage and an insulating section which is adjacent to the electrode section in a direction parallel to a surface of the light control sheet and extends along an outer edge of the electrode section in a plan view perpendicular to the surface.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: November 28, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Masayuki Takahashi
  • Patent number: 11809033
    Abstract: A display panel and a display device are disclosed. In preparing the display panel, based on a height difference formed between a plurality of first column spacers and a plurality of second column spacers, as a color filter substrate deforms during a vacuum assembly process, a deformation area of a blind hole area increases because the second column spacers are not in contact with an array substrate in the blind hole area, resulting in a decrease in a radius of curvature of the deformation of the blind hole area, so that an amount of deformation is reduced and poor focusing due to Newton's ring effect on the blind hole can be prevented.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: November 7, 2023
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Pengfei Yu, Tao Song
  • Patent number: 11686980
    Abstract: A display panel including a first substrate, a second substrate, a display medium layer and a sealant is provided. The second substrate is assembled with the first substrate. The display medium layer is disposed between the first substrate and the second substrate. The sealant is disposed between the first substrate and the second substrate, surrounds the display medium layer and includes a continuous one-piece pattern, wherein the continuous one-piece pattern includes a first segment and a second segment, and a difference between a width of the first segment and a width of the second segment is greater than or equal to a third of the width of the second segment.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: June 27, 2023
    Assignee: Himax Display, Inc.
    Inventors: Ya-Jou Chen, Po-Hung Pan
  • Patent number: 11681179
    Abstract: Provided are a polarizing plate and a display device comprising the same, the polarizing plate comprising: a polarizing film; a polarizing film protection film arranged on at least one surface of the polarizing film; an adhesive layer interposed between the polarizing film and the polarizing film protection film; and a printing layer impregnated in the adhesive layer and formed on at least part of the edge of the adhesive layer, wherein a curve ensuring portion is formed on at least one surface of the printing layer.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: June 20, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Woo Kim, Han Su Kim, Kwang Ho Shin, Dong Yoon Shin
  • Patent number: 11670639
    Abstract: A flexible display device substrate and a preparation method thereof are provided. The flexible display device substrate includes a first flexible substrate, a toughening layer, a second flexible substrate, and an interweaved structure layer. The second flexible substrate is disposed on the first flexible substrate. The interweaving structure layer is disposed between the first flexible substrate and the second flexible substrate, wherein the interweaving structure layer is formed by a part of the first flexible substrate and a part of the second flexible substrate penetrating and interweaving with each other. The toughening layer is disposed at intervals between the first flexible substrate and the second flexible substrate, and the toughening layer and the interweaved structure layer are disposed alternately.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: June 6, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology cO., lTD.
    Inventor: Linshuang Li
  • Patent number: 11671693
    Abstract: An electronic device includes a housing, a display module, a camera and a drive structure. The display module includes a backlight module and a liquid crystal display, the backlight module includes a fixed backlight component and a movable backlight component, the liquid crystal display includes a first base assembly, a second base assembly, and a liquid crystal layer disposed between the first base assembly and the second base assembly, the second base assembly is disposed between the liquid crystal layer and the backlight module and includes a movable block, the movable block is disposed opposite to the movable backlight component, and the drive structure is connected with the camera, can drive the camera to move towards the movable backlight component, and can drive, via the camera, the movable backlight component and the movable block to squeeze the liquid crystal layer.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: June 6, 2023
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Jun Zhou
  • Patent number: 11662629
    Abstract: Liquid crystal is prevented from leaking out into a terminal hole in a liquid crystal injection process, and the productivity of a liquid crystal light control device is improved. A liquid crystal light control device according to the present technology includes a plurality of liquid crystal layers, terminals provided for respective electrodes disposed to face each other across the liquid crystal layers, and terminal holes formed above the terminals, and an injection mark of a liquid crystal for the liquid crystal layer is formed on a back face side which is a face on a side opposite to a face that has been opened by the terminal hole.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: May 30, 2023
    Assignee: SONY GROUP CORPORATION
    Inventors: Toyokazu Takahashi, Shinya Ootani
  • Patent number: 11662628
    Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: May 30, 2023
    Assignee: Japan Display Inc.
    Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
  • Patent number: 11656505
    Abstract: According to one embodiment, a display device includes a first substrate including a first transparent substrate and a pixel electrode, a second substrate including a second transparent substrate and a common electrode opposed to the pixel electrode, a liquid crystal layer located between the first substrate and the second substrate and containing a polymer and liquid crystal molecules, a sealant bonding the first substrate and the second substrate and sealing in the liquid crystal layer, and a light-emitting element. The second transparent substrate comprises a side surface opposed to the light-emitting element. A color of the sealant is black, yellow or red.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: May 23, 2023
    Assignee: Japan Display Inc.
    Inventors: Midori Tsukane, Toshiyuki Higano
  • Patent number: 11650462
    Abstract: A liquid crystal display panel is provided. The liquid crystal display panel includes: a first substrate and a second substrate arranged opposite to each other, and a liquid crystal layer and a plurality of strip-shaped spacers disposed between the first substrate and the second substrate. In the liquid crystal display panel, there is an overlapping area between an orthographic projection of a first signal line on a target base and an orthographic projection of a second signal line on the target base, and an orthographic projection of the strip-shaped spacer on the target base is not overlapped with the overlapping area.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: May 16, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jinshuai Duan, Xiaojuan Wu, Hongliang Yuan, Wei Zhao, Yao Bi, Jiaxing Wang, Hao Yan, Li Tian, Liping Lei
  • Patent number: 11644718
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: May 9, 2023
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Patent number: 11626456
    Abstract: A display device is discussed, which has improved transmittance and relieves a visual difference in a camera region, even though a camera is provided in an active region, by changing the configuration of a substrate in a region corresponding to the camera.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: April 11, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae-Young Oh, Sung-Ki Kim, Bok-Young Lee, Young-Wook Lee, Chang-Hyun Song
  • Patent number: 11616116
    Abstract: A display device includes a display panel that has a display area displaying an image and a non-display area around the display area. The display panel includes: a substrate; a plurality of connection lines on the substrate in the non-display area and including a first connection line and a second connection line adjacent to each other; a first dummy line overlapping and disposed on the first connection line; and a second dummy line overlapping the second connection line and disposed between the substrate and the second connection line.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yu-Jin Jeon, Dae Suk Kim, Jun-Yong An, Won Se Lee, Dong Hyeon Jang
  • Patent number: 11616305
    Abstract: A scanning antenna includes a transmission and/or reception region including a plurality of antenna units and a non-transmission and/or reception region other than the transmission and/or reception region. The scanning antenna includes a TFT substrate, a slot substrate, a liquid crystal layer, a seal portion surrounding the liquid crystal layer, a wall structure (additional seal portion) disposed in a region surrounded by the seal portion in the non-transmission and/or reception region, a reflective conductive plate, a first spacer structure defining a first gap between a first dielectric substrate and a second dielectric substrate in the transmission and/or reception region, and a second spacer structure disposed in the wall structure and defining a second gap wider than the first gap.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 28, 2023
    Assignees: SHARP KABUSHIKI KAISHA, KYMETA CORPORATION
    Inventors: Takeshi Hara, Susumu Nakano, Koji Yasuda, Yoji Taniguchi, Yoshinori Tanaka, Ryan A. Stevenson, Steve Linn, Cagdas Varel, Colin Short, Felix Chen
  • Patent number: 11616216
    Abstract: A display device includes a display panel, and an electronic module disposed thereunder. The display panel includes a first display area having first areas with a first pixel density and a pixel-free area, each first area including a respective pixel, the pixel-free area including second areas and third areas, each third area surrounding a respective second area and disposed between the respective second area and at least one first area, a second display area having a second pixel density greater than the first pixel density, first pattern layers disposed in the third areas, respectively, each first pattern layer surrounding a respective second area in a plan view, and second pattern layers disposed on the first pattern layers, respectively.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeonggwaon Kim
  • Patent number: 11609455
    Abstract: A display panel structure includes an array substrate, a color filter substrate, and a liquid crystal layer. The array substrate includes a bonding area and a reinforcing device disposed between the bonding area and an edge of the array substrate. An adhesive layer is disposed on a surface of the reinforcing device corresponding to the array substrate. The reinforcing device provided as a dual reinforcing structure formed by the reinforcing glue, the retaining wall, and the base to effectively enhance structural strength around the bonding area of the array substrate.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: March 21, 2023
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yingzhi San
  • Patent number: 11594703
    Abstract: An display device includes a cover window including a display area and an attaching area, at least one display panel in the display area of the cover window, a first black matrix in an edge area of the display area and the attaching area, a second black matrix in the attaching area over the first black matrix, and an adhesive on the second black matrix, wherein a first difference of coefficient of thermal expansion between the second black matrix and the adhesive is small than a second difference of coefficient of thermal expansion between the first black matrix and the adhesive.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: February 28, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Gyeo-Re Lee, Yong-Sang Kim
  • Patent number: 11573458
    Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: February 7, 2023
    Assignee: Japan Display Inc.
    Inventors: Koichi Igeta, Hirotaka Imayama
  • Patent number: 11567356
    Abstract: A switchable light modulator device (201, 202, 203, 204, 205) comprises a first substrate (101, 102, 103) and a second substrate (141, 142, 143, 144) with opposite major surfaces spaced apart by one or more polymer structures that each comprise two or more parts and define wall features (21b, 22b, 23b) for a plurality of cavities (111, 112, 113, 114), the cavities sealing a fluid (71, 72, 73, 74) or gel in discrete volumes. Each of the one or more polymer structures comprises a mould part (21, 22, 23) bonded to the first substrate and defining a recess (31, 32, 33), and a cast part (81, 82, 83, 84) filling the recess and bonded to the second substrate and a surface of the recess, the cast part being defined by the surface of the recess and the second substrate replicating the surfaces of both.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: January 31, 2023
    Assignee: E Ink Corporation
    Inventors: Donal Martin O'Keeffe, Timothy O'Keeffe
  • Patent number: 11556054
    Abstract: A forming apparatus configured to, in a state in which a composition on a substrate and a mold have been brought into contact, cure the composition to thereby mold the composition, is provided. The forming apparatus includes a supplier configured to discretely supply droplets of the composition onto the substrate, a controller configured to control the supplier in accordance with a supply pattern that indicates a drop amount and a drop position of each droplet. The shot region has a rectangular outer shape. The controller determines the supply pattern such that a minimum distance between adjacent droplets supplied onto the shot region by the supplier gradually decreases from a center of each side of the rectangular outer shape of the shot region toward both corners of the each side of the rectangular outer shape of the shot region.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: January 17, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Keiji Yamashita
  • Patent number: 11552141
    Abstract: Disclosed is an organic light emitting display device including a dam structure disposed in a non-display area of a substrate and an alignment mark disposed outside the dam structure. The alignment mark is not covered by, and does not overlap with, the dam structure, because the alignment mark is disposed outside the dame structure. Thus, a scribing process may be performed smoothly.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: January 10, 2023
    Assignee: LG DISPLAY CO, LTD.
    Inventor: Dongjin Kim
  • Patent number: 11543698
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, and a plurality of pixels. Each of the pixels has a reflection region for performing display in a reflective mode. The first substrate includes a pixel electrode provided in each of the pixels and a reflection layer positioned opposite to the liquid crystal layer with respect to the pixel electrode. The reflection layer has a first region positioned in each of the pixels and a second region positioned between any two pixels adjacent to each other. Voltages of an identical polarity are applied to the liquid crystal layer for any two pixels adjacent to each other in a row direction, for any two pixels adjacent to each other in a column direction, or for all the pixels.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: January 3, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takahiro Sasaki, Ming Ni, Takashi Satoh, Keiichi Ina, Shuji Nishi
  • Patent number: 11537010
    Abstract: An electronic modulating device is provided. The electronic modulating device includes a first substrate. The first substrate includes a first portion and a second portion. The electronic modulating device also includes a second substrate disposed opposite to the first substrate. The electronic modulating device further includes at least one working device disposed between the first substrate and the second substrate, wherein the working device overlaps the first portion and does not overlap the second portion. In addition, the electronic modulating device includes a first adjustment unit disposed between the first portion of the first substrate and the second substrate. The first adjustment unit has a first elastic coefficient. The electronic modulating device also includes second adjustment unit disposed between the second portion of the first substrate and the second substrate. The second adjustment unit has a second elastic coefficient that is greater than the first elastic coefficient.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: December 27, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Tang-Chin Hung, Zhi-Fu Huang
  • Patent number: 11537161
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel, including a display region and a non-display region, includes a first base substrate and a second base substrate. The display panel further includes a sealing adhesive between the first base substrate and the second base substrate. The sealing adhesive is disposed in the non-display region by surrounding the display region and includes a main body part and a plurality of first extension parts connected to the main body part. The plurality of the first extension parts is between the main body part and the display region. The display panel further includes a first reflective metal part in the non-display region, where at least a portion of the first reflective metal part surrounds the display region, and includes a plurality of second reflective metal parts, arranged along a first direction, in the non-display region.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: December 27, 2022
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Min Chen, Xinzhao Liu
  • Patent number: 11502137
    Abstract: Disclosed is a display substrate, comprising a display area and a non-display area surrounding the display area. At least one limit mark group is disposed in the non-display area; the display area has a plurality of sides, and rounded chamfers are formed between adjacent two sides; the non-display area includes a frame part opposite to the sides of the display area and corner parts opposite to the rounded chamfers; and the limit mark group is located at the corner part. Accordingly, the disclosure also provides an organic light emitting device, a film vapor-deposition detecting method of an organic light emitting device, and a display device. According to the disclosure, it is possible to reduce the display defect and the accuracy of film vapor-deposition detection.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: November 15, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Fan Yang, Zailong Mo
  • Patent number: 11493792
    Abstract: An electronic device includes a liquid crystal display device having a first substrate, a second substrate bonded to the first substrate, with liquid crystal material held between the first substrate and the second substrate, and an upper polarizing plate affixed to the second substrate. A protective member is disposed over the upper polarizing plate, and an adhesive member is disposed between the protective member and the upper polarizing plate without an air layer between the protective member and the upper polarizing plate. The protective member is configured as a protective cover of the electronic device.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: November 8, 2022
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Koichi Fukuda
  • Patent number: 11487166
    Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: November 1, 2022
    Assignee: Japan Display Inc.
    Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
  • Patent number: 11467451
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: October 11, 2022
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Patent number: 11460734
    Abstract: A display device includes a first substrate comprising an insulating film, a first organic layer on the insulating film, and a plurality of pixels arranged in a matrix in an active area. The display device further includes a second substrate comprising a black matrix and a second organic layer stacked on the black matrix. The display device also includes a seal material that attaches the first substrate and the second substrate in a circumference area outside the active area. The first organic layer includes a first opening portion which exposes the insulating film, the second organic layer includes a second opening portion which exposes the black matrix, and the first opening portion and the second opening portion overlap the seal material.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: October 4, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventor: Ayumi Mori
  • Patent number: 11450831
    Abstract: A display device includes a display panel that includes a substrate, a display layer disposed on the substrate, and a thin-film encapsulation layer that covers the display layer; an input sensing member that includes a base layer and sensing electrodes disposed on the base layer, wherein the base layer faces the substrate of the display panel; and a resin layer disposed between the thin-film encapsulation layer and the base laver. The display device includes an opening area and a display area that at least partially surrounds the opening area. A side surface of the substrate that at least partially surrounds the opening area has a shape in a thickness direction of the substrate that differs from a shape in the thickness direction of a side surface of another part of the substrate.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunmin Hwang, Youngmin Kim, Jawoon Lee, Jinhwan Jeon, Minjun Jo, Dongwon Han
  • Patent number: 11428968
    Abstract: An optical device and a use thereof are provided. The optical device is capable of suppressing external bubble inflow by eliminating negative pressures that can occur due to shape deformation of a base material in an environment changing between a high temperature and a low temperature and generating a positive pressure. Such optical device can be used as various transmittance-variable devices.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: August 30, 2022
    Inventors: Nam Hun Kim, Jung Woon Kim, In Ju Mun, Su Young Ryu, Byoung Kun Jeon
  • Patent number: 11407678
    Abstract: An electronic panel includes: a base substrate divided into a hole region including a hole transmissive region overlapping an electronic module when viewed in a plan view and a light shielding region adjacent to the hole transmissive region, an active region adjacent to the hole region, and a peripheral region adjacent to the active region; a plurality of light emitting devices spaced apart from the hole region in the active region; a light shielding pattern spaced apart from the hole transmissive region in the light shielding region; and an encapsulation substrate on the base substrate and covering the light emitting devices, wherein the light shielding pattern comprises frit.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 9, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunmin Hwang, Sangyeol Kim, Woosuk Jung, Young Seo Choi
  • Patent number: 11402705
    Abstract: A liquid crystal display panel and a manufacturing method thereof are provided, in which transparent traces are prepared on a first substrate to replace metal traces originally under a sealant, so that ultraviolet light is irradiated on the sealant from a side of the transparent traces in a process of curing the sealant, which can effectively improve a curing rate of the sealant. Moreover, transparent conductive polymer has better corrosion resistance than metal, which can effectively prevent circuit corrosion caused by the sealant absorbing water.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: August 2, 2022
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Zhibo Cao
  • Patent number: 11402697
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a first spacer projecting from the second substrate towards the first substrate and including a distal end portion opposing the first substrate with a gap therebetween, a second spacer projecting from the second substrate towards the first substrate and in contact with the first substrate and an adhesive member adhering the distal end portion and the first substrate together. A total height of the first spacer and the adhesive member is the same as a height of the second spacer.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventors: Junko Nagasawa, Kasumi Hase
  • Patent number: 11384169
    Abstract: A sealant composition with which a decrease in voltage holding rate is less likely to occur in a liquid crystal cell for a scanning antenna, the sealant composition according to the present invention includes a photo-radical polymerization initiator that generates a radical through application of light with a wavelength of 450 nm or greater and a polymerization component that contains a polymerizable functional group that is polymerizable using the radical.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: July 12, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masanobu Mizusaki, Tadashi Ohtake
  • Patent number: 11366360
    Abstract: A display panel and a manufacturing method for display panel are disclosed. The display panel including: a first substrate, a second substrate, first protrusions, and second protrusions. A gap is disposed between the adjacent first protrusions and the adjacent second protrusions, and the first protrusions and the second protrusions are inserted into the gap corresponding to each other to form a fastening interlock structure. The fastening interlock structure effectively releases a bending stress formed by the bending of the panel and protects the display panel.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: June 21, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Bingkun Yin
  • Patent number: 11347112
    Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventors: Koichi Igeta, Hirotaka Imayama
  • Patent number: 11309375
    Abstract: A display panel includes a substrate including a display area and a first area in the display area; a plurality of pixels in the display area, wherein the plurality of pixels includes a first group of first pixels adjacent to the first area, and each of the first pixels includes a first semiconductor layer, wherein the first semiconductor layer of each of the first pixels is connected to the first semiconductor layer of another one of the first pixels in a first direction to form a plurality of first rows arranged on the substrate, and the plurality of first rows are connected to a first connection line extending in a second direction that crosses the first direction.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: April 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngsoo Yoon, Wonkyu Kwak, Jihyun Ka, Dongeup Lee, Yunkyeong In, Hyunji Cha, Minhee Choi
  • Patent number: 11308828
    Abstract: The present application provides a display panel, a display module and a display device. In a non-display region of the display panel, exhaust holes are disposed inside arranging areas of alignment terminals. When attaching a support film in the non-display region, the exhaust holes serve as gas discharge channels to exhaust the gas located in the arranging areas of the alignment terminals and located between the support film and the display panel, thereby alleviating the problem of bubbles between the display panel and the support film in existing flexible displays.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: April 19, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Haifeng Wang
  • Patent number: 11294243
    Abstract: The invention provides a display device, which includes a display panel and at least one optical device. The display panel has a display region and a display surface. The at least one optical device is overlapped with the display panel. The optical device has a low-reflectivity sealant pattern. An angle of 45 degrees is included between the display surface of the display panel and a connecting line of a side edge of the display region and the low-reflectivity sealant pattern. An inner edge of the low-reflectivity sealant pattern and the display region are located on the same side of the connecting line. The display device of the invention has good light emitting uniformity at different viewing angles.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 5, 2022
    Assignee: Coretronic Corporation
    Inventors: Wen-Chin Tsai, Yin-Jen Lin
  • Patent number: 11294216
    Abstract: A display substrate includes a substrate, a first conductive member, a second conductive member, an alignment film, an insulator, and a contact hole filler. The substrate includes a display area and a non-display area surrounding the display area. The first conductive member is disposed in the non-display area. The second conductive member is disposed in upper than the first conductive member to partially overlap the second conductive member in the non-display area. The alignment film is disposed upper than the second conductive member to straddle the display area and the non-display area. The insulator is disposed between the first conductive member and the second conductive member in the non-display area. The insulator includes a contact hole in a section overlapping the first conductive member and the second conductive member. The contact hole filler is disposed upper than the second conductive member to fill the contact hole.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: April 5, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Nobuhiro Waka
  • Patent number: 11281050
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: March 22, 2022
    Assignee: Japan Display Inc.
    Inventor: Keisuke Takano
  • Patent number: 11262625
    Abstract: A display device including: a first substrate including a first base substrate and a lower pad disposed on one end of the first base substrate on a side; a second substrate disposed above the first substrate and including a second base substrate and an upper pad disposed on an end of the second base substrate on the side; a side pad electrically connected to the lower pad and the upper pad; and a sealing member disposed between the first substrate and the second substrate. The sealing member includes an insulating resin and conductive balls dispersed in the insulating resin, and the upper pad and the lower pad are electrically connected to each other through the conductive balls.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae Hyun Park
  • Patent number: 11257848
    Abstract: The present disclosure relates to the field of display technology, and provides an array substrate, a manufacturing method thereof and a display device. The array substrate includes a display region and a wiring region surrounding thereof. The array substrate further includes a base substrate, a first conductive layer, a first insulating layer, a second conductive layer, a second insulating layer and a patterned shielding layer disposed sequentially thereon. The shielding layer includes a shielding portion in the wiring region. The first and second conductive layers include respectively first and second signal lead wires in the wiring region. There is no overlap between orthographic projections of the first and second signal lead wires on the base substrate. A difference between vertical distances from the first signal lead wire and from the second signal lead wire to the shielding layer is smaller than a thickness of the first insulating layer.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: February 22, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanjie Xu, Shan Gao
  • Patent number: 11256144
    Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: February 22, 2022
    Assignee: Japan Display Inc.
    Inventors: Masumi Nishimura, Shinichiro Oka