Liquid Crystal Seal Patents (Class 349/153)
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Patent number: 11609455Abstract: 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: GrantFiled: September 30, 2019Date of Patent: March 21, 2023Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yingzhi San
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Patent number: 11594703Abstract: 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: GrantFiled: December 16, 2020Date of Patent: February 28, 2023Assignee: LG Display Co., Ltd.Inventors: Gyeo-Re Lee, Yong-Sang Kim
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Patent number: 11573458Abstract: 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: GrantFiled: May 4, 2022Date of Patent: February 7, 2023Assignee: Japan Display Inc.Inventors: Koichi Igeta, Hirotaka Imayama
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Patent number: 11567356Abstract: 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: GrantFiled: January 24, 2022Date of Patent: January 31, 2023Assignee: E Ink CorporationInventors: Donal Martin O'Keeffe, Timothy O'Keeffe
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Patent number: 11556054Abstract: 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: GrantFiled: April 9, 2020Date of Patent: January 17, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Keiji Yamashita
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Patent number: 11552141Abstract: 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: GrantFiled: November 30, 2020Date of Patent: January 10, 2023Assignee: LG DISPLAY CO, LTD.Inventor: Dongjin Kim
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Patent number: 11543698Abstract: 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: GrantFiled: December 10, 2020Date of Patent: January 3, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Takahiro Sasaki, Ming Ni, Takashi Satoh, Keiichi Ina, Shuji Nishi
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Patent number: 11537010Abstract: 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: GrantFiled: July 28, 2021Date of Patent: December 27, 2022Assignee: INNOLUX CORPORATIONInventors: Tang-Chin Hung, Zhi-Fu Huang
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Patent number: 11537161Abstract: 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: GrantFiled: September 14, 2020Date of Patent: December 27, 2022Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Min Chen, Xinzhao Liu
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Patent number: 11502137Abstract: 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: GrantFiled: August 7, 2018Date of Patent: November 15, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Fan Yang, Zailong Mo
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Patent number: 11493792Abstract: 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: GrantFiled: January 13, 2022Date of Patent: November 8, 2022Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Koichi Fukuda
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Patent number: 11487166Abstract: 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: GrantFiled: November 11, 2021Date of Patent: November 1, 2022Assignee: Japan Display Inc.Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
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Patent number: 11467451Abstract: 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: GrantFiled: November 30, 2021Date of Patent: October 11, 2022Assignee: Japan Display Inc.Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
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Patent number: 11460734Abstract: 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: GrantFiled: April 19, 2021Date of Patent: October 4, 2022Assignee: JAPAN DISPLAY INC.Inventor: Ayumi Mori
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Patent number: 11450831Abstract: 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: GrantFiled: December 10, 2019Date of Patent: September 20, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyunmin Hwang, Youngmin Kim, Jawoon Lee, Jinhwan Jeon, Minjun Jo, Dongwon Han
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Patent number: 11428968Abstract: 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: GrantFiled: April 24, 2019Date of Patent: August 30, 2022Inventors: Nam Hun Kim, Jung Woon Kim, In Ju Mun, Su Young Ryu, Byoung Kun Jeon
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Patent number: 11407678Abstract: 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: GrantFiled: May 29, 2020Date of Patent: August 9, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Hwang, Sangyeol Kim, Woosuk Jung, Young Seo Choi
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Patent number: 11402705Abstract: 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: GrantFiled: February 27, 2020Date of Patent: August 2, 2022Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Zhibo Cao
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Patent number: 11402697Abstract: 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: GrantFiled: November 18, 2020Date of Patent: August 2, 2022Assignee: Japan Display Inc.Inventors: Junko Nagasawa, Kasumi Hase
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Patent number: 11384169Abstract: 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: GrantFiled: August 18, 2017Date of Patent: July 12, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Masanobu Mizusaki, Tadashi Ohtake
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Patent number: 11366360Abstract: 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: GrantFiled: November 5, 2019Date of Patent: June 21, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Bingkun Yin
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Patent number: 11347112Abstract: 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: GrantFiled: November 12, 2020Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Koichi Igeta, Hirotaka Imayama
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Patent number: 11309375Abstract: 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: GrantFiled: September 19, 2019Date of Patent: April 19, 2022Assignee: Samsung Display Co., Ltd.Inventors: Youngsoo Yoon, Wonkyu Kwak, Jihyun Ka, Dongeup Lee, Yunkyeong In, Hyunji Cha, Minhee Choi
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Patent number: 11308828Abstract: 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: GrantFiled: December 3, 2019Date of Patent: April 19, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Haifeng Wang
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Patent number: 11294216Abstract: 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: GrantFiled: June 7, 2018Date of Patent: April 5, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Nobuhiro Waka
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Patent number: 11294243Abstract: 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: GrantFiled: April 22, 2020Date of Patent: April 5, 2022Assignee: Coretronic CorporationInventors: Wen-Chin Tsai, Yin-Jen Lin
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Patent number: 11281050Abstract: 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: GrantFiled: January 22, 2021Date of Patent: March 22, 2022Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Patent number: 11262625Abstract: 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: GrantFiled: March 17, 2020Date of Patent: March 1, 2022Assignee: Samsung Display Co., Ltd.Inventor: Jae Hyun Park
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Patent number: 11256144Abstract: 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: GrantFiled: December 8, 2020Date of Patent: February 22, 2022Assignee: Japan Display Inc.Inventors: Masumi Nishimura, Shinichiro Oka
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Patent number: 11257848Abstract: 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: GrantFiled: August 9, 2018Date of Patent: February 22, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuanjie Xu, Shan Gao
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Patent number: 11211579Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.Type: GrantFiled: September 27, 2017Date of Patent: December 28, 2021Assignees: SHARP KABUSHIKI KAISHA, SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Yuhki Kobayashi, Shinichi Kawato, Kiyoshi Minoura, Shinji Shimada, Hiroshi Tsuchiya, Masahiro Mitani, Kohzoh Nakamura, Katsuhiko Kishimoto, Yozo Narutaki
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Patent number: 11211585Abstract: A flexible substrate includes a first flexible thin film including a first region and a second region surrounding the first region; a second flexible thin film on the first thin film and in the first and second regions; and an intermediate blocking layer between the first and second thin films and in the first region.Type: GrantFiled: December 3, 2019Date of Patent: December 28, 2021Assignee: LG Display Co., Ltd.Inventors: Nack-Bong Choi, Byung-Su Ahn, Yoon-Dong Cho
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Patent number: 11209859Abstract: A narrow border organic light-emitting diode (OLED) display panel is provided, including a substrate, a light-emitting functional layer, a light-emitting functional layer having an organic sub-layer, an encapsulation layer, a first retaining wall, and a second retaining wall, wherein the first retaining wall is disposed around a circumferential periphery of the organic sub-layer; the second retaining wall is disposed between the first retaining wall and the organic sub-layer; wherein the second retaining wall is provided with at least a notch to reduce a border width of a side of the OLED display panel on which the notch is defined.Type: GrantFiled: November 20, 2018Date of Patent: December 28, 2021Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jie Yang, Ming Zhang
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Patent number: 11204526Abstract: 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: GrantFiled: September 16, 2020Date of Patent: December 21, 2021Assignee: Japan Display Inc.Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
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Patent number: 11181784Abstract: According to one embodiment, a display device including a first substrate having a first end portion, a second substrate facing the first substrate and having a second end portion separated from the first end portion, a liquid crystal layer located between the first substrate and the second substrate, a light-emitting element facing the second end portion, a first sealing member bonding the first substrate and the second substrate together, and a low refractive area located between the first substrate and the second substrate, located between the second end portion and the first sealing member in planar view, and containing a material having a refractive index lower than that of the second substrate.Type: GrantFiled: March 25, 2020Date of Patent: November 23, 2021Assignee: Japan Display Inc.Inventors: Kentaro Okuyama, Hiroki Sugiyama, Yoshihide Ohue, Yudai Numata
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Patent number: 11169401Abstract: A liquid crystal display includes a first substrate including: a display area including a plurality of pixels on the first substrate, a non-display area which is disposed on an outside of the display area and in which a dummy wire is disposed on the first substrate, and an image input hole which is defined therein in the non-display area and in which an image input device is disposed, a second substrate facing the first substrate and including a display area and a non-display area corresponding to those of the first substrate, a liquid crystal layer interposed between the first and second substrates, and a sealant which is in the non-display area of the first and second substrates and seals the liquid crystal layer between the first and second substrates. The dummy wire is disposed near the image input hole.Type: GrantFiled: September 9, 2019Date of Patent: November 9, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hee Lee, Hyoung Joon Kim, Hyo Jin Kim, Kap Soo Yoon, Jeong Uk Heo, Ji Yun Hong
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Patent number: 11150522Abstract: A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal sandwiched between the substrates, and a display region. A hole portion is formed in the display region. A first seal portion is formed to surround the display region. A second seal portion is formed to surround the hole portion. The first and the second seal portions seal the liquid crystal. The second seal portion has a first end portion on the liquid crystal side and a second end portion on the opposite side of the liquid crystal side. A sealing material is present in the first end portion. A sealing material is present in the second end portion. A wall-like spacer is formed between the first and the second end portions to surround the hole portion. The wall-like spacer defines the gap between the first and the second substrates.Type: GrantFiled: November 20, 2020Date of Patent: October 19, 2021Assignee: Japan Display Inc.Inventors: Junko Nagasawa, Hideki Shiina
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Patent number: 11150499Abstract: A panel repairing apparatus and a method of repairing a display panel using the same are disclosed. The panel repairing apparatus includes a panel loader for accommodating a display panel therein, a laser repair unit for repairing the display panel by irradiating laser onto the display panel, and a press repair unit for repairing the display panel by pressurizing the display panel.Type: GrantFiled: March 31, 2020Date of Patent: October 19, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Keun Lee, Bum Hwan Park, Hyuk Son, Kyu Wook Choi, Jong Gyu Park, Jae Young Lee
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Patent number: 11119363Abstract: This application discloses a display panel, a manufacturing method therefor, and a display device. The display panel is divided into an active area and a non-active area, and includes: a first substrate, a second substrate, a sealant arranged between the first substrate and the second substrate, and an alignment layer arranged on the second substrate. The non-active area of the second substrate is provided with a retaining wall structure, and the retaining wall structure is arranged between the alignment layer and the sealant. The retaining wall structure includes a trunk and a plurality of branches, where the plurality of branches are arranged at least on a side of the trunk close to the alignment layer or the sealant, and the plurality of branches are respectively away from the trunk and extend toward the alignment layer or the sealant.Type: GrantFiled: December 12, 2018Date of Patent: September 14, 2021Assignee: HKC CORPORATION LIMITEDInventor: Chuan Wu
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Patent number: 11108025Abstract: 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: GrantFiled: August 7, 2020Date of Patent: August 31, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyeonggwaon Kim
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Patent number: 11106065Abstract: A display device includes a backlight unit and a display panel. The backlight unit includes a bottom chassis that includes a fixing surface curved to have a shape that corresponds to a graph of a sine function, a light guide member that includes a light exit surface curved to have a shape that corresponds to the fixing surface, and a light source that provides light to the light guide member. The display panel includes a display surface curved to have a shape that corresponds to the light exit surface.Type: GrantFiled: January 8, 2019Date of Patent: August 31, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongjin Park, Jingyu Sim, Junggil Oh, Kwangsun You, Won-Chul Lee, Byoungjin Jin, Jonghyeon Choi
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Patent number: 11106092Abstract: Provided are a pair of substrates, a seal material disposed between the pair of substrates, an inter-substrate conductive member disposed spaced apart from the seal material, and a moisture-proof film covering a side face of the seal material and a side face of the inter-substrate conductive member.Type: GrantFiled: June 19, 2020Date of Patent: August 31, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Kazu Kobayashi, Takashi Shinohara, Yuji Ikezaki, Tomohito Kawa
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Patent number: 11106091Abstract: A display substrate, a method for manufacturing thereof, a display panel and a method for manufacturing thereof are disclosed. The display substrate includes a display region and a sealing region surrounding the display region. A plurality of through holes are formed within the sealing region of the display substrate.Type: GrantFiled: April 4, 2019Date of Patent: August 31, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTDInventor: Xuefei Bai
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Patent number: 11094916Abstract: A display device includes a display module and an anti-reflection member. The display module includes a display panel having a light emitting element and a sensing layer disposed on the display panel to sense touch. The anti-reflection member is disposed on the display module to reduce reflectance of light that is incident from the outside. One side of the display module has a first shape that gradually decreases in thickness outward, and one side of the anti-reflection member, which corresponds to the one side of the display module, has a second shape that gradually decreases in thickness outward.Type: GrantFiled: September 1, 2017Date of Patent: August 17, 2021Assignee: Samsung Display Co., Ltd.Inventors: Changyong Jeong, Mugyeom Kim
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Patent number: 11086168Abstract: A display panel includes a first substrate, a second substrate, a display medium layer, and a sealant. The display medium layer may be disposed between the top substrate and the bottom substrate. The sealant may be disposed between the first substrate and the second substrate and surround the display medium layer. At least one of the first substrate and the second substrate includes a support plate and an alignment layer. The alignment layer may be disposed on the support plate between the support plate and the display medium layer. A perimeter of the alignment layer may be completely encapsulated by the sealant. The at least one of the first substrate and the second substrate may have a plurality of microstructures positioned between the perimeter of the alignment layer and an edge of the support plate.Type: GrantFiled: December 11, 2019Date of Patent: August 10, 2021Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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Patent number: 11086169Abstract: A first organic insulating film is arranged on a first substrate in a circumference area outside an active area. A mounting portion is located in the circumference area for mounting a signal source. A second organic insulating film is formed on a second substrate in the circumference area so as to face the first substrate. The second substrate exposes the mounting portion. A seal material is arranged between the first organic insulating film and the second organic insulating film to attach the first substrate and the second substrate. A resin layer is arranged between the first organic insulating film and the second organic insulating film in the circumference area, and formed in a rectangular frame shape including four linear ends. An end along the mounting portion is formed broadly than other ends.Type: GrantFiled: April 21, 2020Date of Patent: August 10, 2021Assignee: Japan Display Inc.Inventor: Atsuko Oono
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Patent number: 11075224Abstract: A display device includes a first substrate and a flexible circuit board. Data lines, scan lines, thin film transistors, gate contacts, and source contacts are disposed on the first substrate. The scan lines are intersected with the data lines. The thin film transistors are respectively connected to the data lines and the scan lines. The gate contacts are connected to the scan lines. The source contacts are connected to the data lines. The display device further includes first conductive patterns disposed on a side of the first substrate, and the first conductive patterns are connected to at least some of the gate contacts on the side of the first substrate. First pads of the flexible circuit board are connected to the first conductive patterns.Type: GrantFiled: March 10, 2020Date of Patent: July 27, 2021Assignee: AU OPTRONICS CORPORATIONInventors: Hao-An Chuang, Wen-Fang Sung
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Patent number: 11061288Abstract: A liquid crystal display device includes a TFT substrate having a display region where pixels each having a TFT and a pixel electrode are formed in a matrix, a counter substrate having a display region where color filters of three colors are formed in a matrix, the TFT substrate and the counter substrate being bonded together with a sealing material in a seal portion at a periphery, and liquid crystal sealed between the TFT substrate and the counter substrate by the seal material. In the display region, a first insulation film, a first alignment film, a first columnar spacer, an overcoat film, a first color filter among the color filters of three colors are stacked in this order between the TFT substrate and the counter substrate.Type: GrantFiled: December 26, 2019Date of Patent: July 13, 2021Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Takashi Yamamoto, Tomoya Sugano, Takamitsu Kamada
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Patent number: 11029558Abstract: An image display apparatus includes a liquid crystal display panel including a display surface for displaying an image; an imaging device disposed face a back surface of the liquid crystal display panel, the back surface located opposite to the display surface, the imaging device being capable of imaging a front area of the liquid crystal display panel; and a backlight device which retains the imaging device in a location behind the back surface of the liquid crystal display panel, and applies light to the back surface of the liquid crystal display panel. The imaging device includes a sleeve including a cylindrical third sleeve which receives therein a lens, and an annular light shield member is mounted between the back surface and an end surface of the third sleeve and is in contact with each of the back surface and the end surface.Type: GrantFiled: February 24, 2017Date of Patent: June 8, 2021Assignees: KYOCERA CORPORATION, KYOCERA AUTOMOTIVE AND INDUSTRIAL SOLUTIONS GMBHInventors: Koichi Nagasaki, Seiichi Karatsu, Manfred Sauer, Matthias Neundorf
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Patent number: 11027514Abstract: The presently disclosed subject matter relates to nanocardboard structures and methods of fabrication thereof. An exemplary nanocardboard structure includes at least two parallel planar films and webbing. The planar films can be separated from each other by a gap of from about 0.1 micrometers to about 1000 micrometers.Type: GrantFiled: August 15, 2018Date of Patent: June 8, 2021Assignee: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIAInventors: Igor Bargatin, Chen Lin, Samuel Nicaise