Patents Issued in May 9, 2023
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Patent number: 11644693Abstract: Techniques for providing wearable electronic devices with electrical components are disclosed. The electrical components can provide electrical technology to eyewear to facilitate audio support including enhanced hearing. The electrical components can operate independently or together with other electrical components provided elsewhere. The wearable electronic devices with electronic components can, for example, provide audio output, audio enhancements, or event-related audio content.Type: GrantFiled: July 25, 2022Date of Patent: May 9, 2023Assignee: IngenioSpec, LLCInventors: Thomas A. Howell, David Chao, C. Douglass Thomas, Peter P. Tong
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Patent number: 11644694Abstract: Provided is a disassembly and assembly structure of a glasses side cover, including a pair of glasses and at least one side cover. The glasses have a frame and two temples. At least one temple is provided with a chute with an opening adjacent to the pivot portion. The chute forms a first end and a second end along the length direction, and an end of the opening adjacent to the first end is provided with a resisting portion. The at least one side cover has a guide seat and a first plate arranged below the guide seat. The guide seat detachably straddles an outer edge of the opening, and is provided with an operating member received in the chute. The front end of the operating member is provided with a positioning block. When the operating member slides to the first end, the positioning block is embedded between the first end and the resisting portion to be fixed according to the elasticity of the material.Type: GrantFiled: September 29, 2020Date of Patent: May 9, 2023Assignee: ARGUS VISION INTERNATIONAL LIMITEDInventor: Lin Yun Chen
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Patent number: 11644695Abstract: Structures including an edge coupler and methods of fabricating a structure including an edge coupler. The edge coupler includes a waveguide core having an end surface that terminates proximate to an edge of a substrate. The waveguide core contains a material having a first state with a first refractive index in response to an applied stimulus and a second state with a second refractive index different from the first refractive index.Type: GrantFiled: November 6, 2020Date of Patent: May 9, 2023Assignee: GlobalFoundries U.S. Inc.Inventor: Yusheng Bian
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Patent number: 11644696Abstract: Structures including an electro-optical phase shifter and methods of fabricating a structure including an electro-optical phase shifter. The structure includes a waveguide core on a semiconductor substrate, and an interconnect structure over the waveguide core and the semiconductor substrate. The waveguide core includes a phase shifter, and the interconnect structure includes a slotted shield and a transmission line coupled to the phase shifter. The slotted shield includes segments that are separated by slots. The slotted shield is positioned between the transmission line and the substrate.Type: GrantFiled: April 6, 2021Date of Patent: May 9, 2023Assignee: GlobalFoundries U.S. Inc.Inventor: Kevin K. Dezfulian
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Patent number: 11644697Abstract: The present disclosure relates to a method comprising the following steps: a) forming a waveguide from a first material, the waveguide being configured to guide an optical signal; b) forming a layer made of a second material that is electrically conductive and transparent to a wavelength of the optical signal, steps a) and b) being implemented such that the layer made of the second material is in contact with at least one of the faces of the waveguide, or is separated from the at least one of the faces by a distance of less than half, preferably less than a quarter, of the wavelength of the optical signal. The application further relates to a phase modulator, in particular obtained by such a method.Type: GrantFiled: August 7, 2020Date of Patent: May 9, 2023Assignee: STMICROELECTRONICS (CROLLES 2) SASInventors: Sébastien Cremer, Frédéric Boeuf, Stephane Monfray
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Patent number: 11644698Abstract: The Kerr effect depends very strongly on the temperature and is associated with high operating voltages. The present invention relates to an electrically controllable optical element which comprises a cell (D) filled with a starting mixture (K) and having two substrates (1a, 1b) and a conductive layer (2a, 2b) applied onto the inner surface of the respective substrate (1a, 1b), wherein the starting mixture (K) comprises a mixture of dipolar, rod-shaped molecules (5) and semi-mesogenes (4) as active constituents, and wherein the starting mixture (K) forms a thin layer having a wide-meshed, anisotropic network (9) produced by photo-polymerization between the structured or/and flat conductive layers (2a, 2b), which are applied onto a substrate (1a, 1b), in a thin-film cell (D). According to the invention, an optically active surface profile (O) is incorporated on the inner surface of a substrate (1a or 1b) or into the substrate (1a or 1b) or both substrates (1a and 1b).Type: GrantFiled: January 18, 2018Date of Patent: May 9, 2023Assignees: FokusTec GmbHInventors: Klaus Hoffmann, Joachim Stumpe, Thomas Fischer, Michael Rutloh
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Patent number: 11644699Abstract: Methods and apparatus for a photonic acoustic-optic frequency shifter having an integrated layer of lithium niobate. An input port receives input light and an acoustic wave generator generates an acoustic wave into a deflection area comprising a layer of lithium niobate. A first output port exits undeflected light from the deflection area as transmitted light and a second output port exits light deflected in frequency by the acoustic wave in the deflection area.Type: GrantFiled: April 20, 2021Date of Patent: May 9, 2023Assignee: Raytheon CompanyInventor: James Leatham
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Patent number: 11644700Abstract: A display system includes: a transmissive liquid crystal display panel; a light control panel having an active area with a light control area; a temperature detector provided in the liquid crystal display panel and having a detection area with a resistive element; a backlight; and a controller. A display area of the liquid crystal display panel, the active area, and the detection area overlap on an optical path of a projection light. The light control panel is disposed at such an angle that, when the light control area is in a light reflection state, the light control panel reflects external light to a position out of the optical path and different from a position of the liquid crystal display panel. The controller causes the light control area to reflect light when an output indicating that the resistive element has a predetermined temperature or higher is obtained.Type: GrantFiled: August 16, 2022Date of Patent: May 9, 2023Assignee: Japan Display Inc.Inventor: Masashi Takahata
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Patent number: 11644701Abstract: A display assembly includes: a frame; a liquid crystal panel installed in the frame; a glass diffusion plate attached to a light incident surface of the liquid crystal panel; and a film structure including one or more optical films and attached between the liquid crystal panel and the glass diffusion plate, wherein a light incident surface of the film structure faces the glass diffusion plate, a light exiting surface of the film structure faces the light incident surface of the liquid crystal panel, and the liquid crystal panel, the glass diffusion plate, and the film structure are attached together to form an integrated structure.Type: GrantFiled: January 12, 2021Date of Patent: May 9, 2023Assignee: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Feng Liu, Jie Yang, Shihwei Lu
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Patent number: 11644702Abstract: A display device includes a base film including a first region and a plurality of second regions having the first region therebetween; an inorganic insulating film on the base film, the inorganic insulating film being in contact with the plurality of second regions of the base film; a plurality of first pixels overlapping the first region; and a plurality of second pixels overlapping the plurality of second regions with the inorganic insulating film being between the plurality of second pixels and the plurality of second regions. The inorganic insulating film is divided by the first region and is discontinuous between the plurality of second regions.Type: GrantFiled: May 16, 2022Date of Patent: May 9, 2023Assignee: Japan Display Inc.Inventor: Ikuo Matsunaga
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Patent number: 11644703Abstract: A liquid crystal display device includes a first liquid crystal display panel bonded to a rear face of a front panel, a second liquid crystal display panel bonded to the rear face of the front panel and located side by side with the first liquid crystal display panel, a light-blocking rib disposed in a gap between the first liquid crystal display panel and the second liquid crystal display panel, a first backlight disposed to be opposite to the first liquid crystal display panel, and a second backlight disposed to be opposite to the second liquid crystal display panel. The rib includes a first corner and a second corner. A corner of the first liquid crystal display panel and a corner of the first backlight are in contact against inside of the first corner. A corner of the second backlight is in contact against inside of the second corner.Type: GrantFiled: January 12, 2022Date of Patent: May 9, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Tomoharu Yokoyama
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Patent number: 11644704Abstract: The disclosure provides a display substrate and a method of fabricating the same, and a display panel. The display substrate includes: a substrate; a transistor structure on the substrate; a flexible circuit board having one end coupled to the transistor structure, and the other end capable of being bent to a side of the substrate away from the transistor structure; and a blocking conductive layer on the flexible circuit board and configured to block an interference electric field in an external environment from affecting the display substrate.Type: GrantFiled: October 29, 2021Date of Patent: May 9, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guohui Wang, Tianma Li, Liang Li, Bin Ji, Yicai Zhang
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Patent number: 11644705Abstract: Provided is a display apparatus including a first display panel, a second display panel, and at least one light-absorbing layer. The first display panel has a first splicing surface. The second display panel has a second splicing surface opposite to the first splicing surface. The at least one light-absorbing layer is disposed on at least one of the first splicing surface and the second splicing surface.Type: GrantFiled: October 25, 2021Date of Patent: May 9, 2023Assignee: Au Optronics CorporationInventors: Hao-Shiun Yang, Chien-Chi Chen, Shang-Chiang Lin
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Patent number: 11644706Abstract: The present invention relates to a glass plate which is provided with a first main surface, and a second main surface which faces the first main surface. An antiglare portion and a non-antiglare portion are provided to the first main surface. The average lengths (RSm) of elements of roughness curves of the antiglare portion and the non-antiglare portion are respectively 1 ?m or higher. The difference between the RSm of the antiglare portion and the RSm of the non-antiglare portion is 100 ?m or lower.Type: GrantFiled: December 18, 2019Date of Patent: May 9, 2023Assignee: AGC INC.Inventors: Hitoshi Mishiro, Takehiko Nose, Minoru Tamada, Yohei Kawai, Naoya Wada
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Patent number: 11644707Abstract: A viewing angle expansion film, a method for preparing the same, and a display device are provided. The viewing angle expansion film includes a first film layer having a flat layer, a plurality of first projections, and a plurality of second projections, and a second film layer disposed on the first film layer. The plurality of first projections and the plurality of second projections are arrayed on the flat layer. The second film layer is filled in gaps between the first projections and the second projections adjacent to the first projections, gaps between adjacent first projections, and gap between adjacent second projections. A refractive index of the second film layer is greater than a refractive index of the first film layer.Type: GrantFiled: August 31, 2022Date of Patent: May 9, 2023Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Guang Zeng, Yuan Shao, Yue Wang, Hongshan Yin
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Patent number: 11644708Abstract: A light shielding element substrate includes a substrate, a transparent island structure and a first light shielding layer. The transparent island structure is located on the substrate. The first light shielding layer is located on the transparent island structure. The first light shielding layer is overlapping with a part of the top surface of the transparent island structure. The first light shielding layer has a first through hole overlapping the top surface of the transparent island structure.Type: GrantFiled: August 12, 2021Date of Patent: May 9, 2023Assignee: Au Optronics CorporationInventors: Ming-Yao Chen, Jui-Chi Lo, Jui-Ping Yu
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Patent number: 11644709Abstract: According to one embodiment, a display device includes a first substrate including a light-shielding layer and a conductive line having a first side surface and a second side surface on a side opposite to the first side surface, a second substrate opposed to the first substrate, a polymer dispersed liquid crystal layer held between the first substrate and the second substrate, and including a polymer and liquid crystal molecules, and a light-emitting element opposed to an end portion of at least one of the first substrate and the second substrate, wherein the first side surface is closer to the light-emitting element than the second side surface, and the light-shielding layer covers at least the first side surface of the conductive line.Type: GrantFiled: June 2, 2022Date of Patent: May 9, 2023Assignee: Japan Display Inc.Inventors: Tae Kurokawa, Kentaro Okuyama
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Patent number: 11644710Abstract: A display panel is provided. The display panel includes a sensing region. The display panel includes a capping substrate, a light shielding layer, and a transparent material. The light shielding layer is disposed under the capping substrate. The light shielding layer includes a plurality of holes. The transparent material is disposed under the light shielding layer. The plurality of holes and the transparent material correspond to the sensing region.Type: GrantFiled: June 14, 2022Date of Patent: May 9, 2023Assignee: INNOLUX CORPORATIONInventors: Yun-Chun Liou, Yen-Chi Chang, Yu-Ting Chen, Bo-Yu Wu, Mei-Jie Yang
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Patent number: 11644711Abstract: A color filter, a display panel, and a display device are provided. The color filter includes a substrate, a plurality of color resistors, and a color blocking layer. The plurality of color resistors are arranged in a matrix on the substrate. Two adjacent color resistors have an interval in-between. The color blocking layer is placed in the interval. A transparent structure is placed on each of the color resistors. This could reduce the transmission loss of the light and thus raises the incident/outgoing light efficiency.Type: GrantFiled: June 3, 2021Date of Patent: May 9, 2023Assignee: JRD Communication (Shenzhen) LTD.Inventors: Ke Lin, Zhuwei Qiu, Yafang Xi, Panwei Xiong
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Patent number: 11644712Abstract: A color filter panel includes: a base substrate having a first pixel area, a second pixel area, and a light blocking area between the first pixel area and the second pixel area; a first color filter on the base substrate in the first pixel area; a second color filter on the base substrate in the second pixel area; a first photoluminescence pattern on the first color filter in the first pixel area and configured to convert a color of light; and a second photoluminescence pattern on the second color filter in the second pixel area and configured to convert a color of light. The second photoluminescence pattern partially overlaps the first photoluminescence pattern in the light blocking area.Type: GrantFiled: April 4, 2022Date of Patent: May 9, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jang-Il Kim, Jeongki Kim, Jong-Hoon Kim, Jeaheon Ahn, Myoungjong Lee, Seongyeon Lee, Si-Wan Jeon, Seok-Joon Hong
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Patent number: 11644713Abstract: The present application provides a display panel, a display module, and a method for driving the display panel, for simplifying a display screen structure and reducing the overall thickness. The display panel comprises: a liquid crystal display panel and a liquid crystal lens; wherein the liquid crystal display panel comprises: a first substrate and a second substrate located to face each other, and a first liquid crystal layer located between the first substrate and the second substrate; wherein the liquid crystal lens comprises: a third substrate located on one side of the first substrate away from the second substrate, and a second liquid crystal layer located between the first substrate and the third substrate; wherein the third substrate is located within a display region.Type: GrantFiled: December 24, 2019Date of Patent: May 9, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Lijia Zhou, Li Tian, Jingquan Wang, Hongli Wang
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Patent number: 11644714Abstract: An object of the present invention is to provide a polarizer, a method of producing a polarizer, a laminate, and an image display device which enable achievement of both the degree of alignment and heat resistance. The polarizer of the present invention is a polarizer formed of a polarizer-forming composition which contains a liquid crystal compound and a dichroic material, in which the liquid crystal compound has a smectic liquid crystallinity, and a phase transition temperature of the polarizer-forming composition from a smectic phase to an isotropic phase or a nematic phase is 120° C. or higher.Type: GrantFiled: August 31, 2020Date of Patent: May 9, 2023Assignee: FUJIFILM CorporationInventors: Wataru Hoshino, Hiroshi Matsuyama, Jun Takeda
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Patent number: 11644715Abstract: A liquid crystal display device includes a first substrate; a second substrate; and a vertical alignment-type liquid crystal layer. The first substrate includes a backplane circuit, a first interlayer insulating layer covering the backplane circuit, a first reflective electrode provided on the first interlayer insulating layer and including a first region located in each of pixels and a second region located between any two adjacent pixels, a second interlayer insulating layer covering the first reflective electrode, and a pixel electrode provided on the second interlayer insulating layer in each pixel. The pixel electrode is electrically connected with the backplane circuit in first and second contact holes formed in the first and second interlayer insulating layers. The first substrate further includes a second reflective electrode provided on the second interlayer insulating layer so as to overlap the first contact hole as seen in a direction normal to a display surface.Type: GrantFiled: July 7, 2022Date of Patent: May 9, 2023Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Takashi Satoh, Takahiro Sasaki, Hiroyuki Hakoi, Ming Ni
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Patent number: 11644716Abstract: Embodiments of the present disclosure are related to a backlight unit and a display device, and the backlight unit in which an optical plate including an engraved pattern in which a color conversion material is disposed is positioned on a light source can be provided. As the color conversion material is disposed in the engraved pattern, a change of the color conversion material by an external factor can be prevented and an amount of the color conversion material can be reduced, thus the backlight unit providing an image quality greater or equal to a certain level and with improved reliability can be implemented easily.Type: GrantFiled: July 7, 2022Date of Patent: May 9, 2023Assignee: LG Display Co., Ltd.Inventors: MyungJoon Park, SangChul Ryu, DongSeok Lee, Suhun Lee
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Patent number: 11644717Abstract: Provided is a dimming laminate which can effectively suppress occurrence of color unevenness and light omission. The dimming laminate according to the present invention includes a first transparent base material, a second transparent base material, and a dimming layer disposed between the first transparent base material and the second transparent base material. In this dimming laminate, the dimming layer includes a resin spacer, the resin spacer is a plurality of resin particles, and the resin spacer does not contain resin particles having a particle diameter of 1.4 times or more an average particle diameter of the resin particles or contains 0.0006% or less of the resin particles having a particle diameter of 1.4 times or more the average particle diameter of the resin particles, relative to 100% of the whole number of the resin particles.Type: GrantFiled: January 10, 2019Date of Patent: May 9, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yasuyuki Yamada, Hideyuki Takahashi, Saori Ueda, Minoru Nakajima
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Patent number: 11644718Abstract: 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: September 8, 2022Date of Patent: May 9, 2023Assignee: Japan Display Inc.Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
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Patent number: 11644719Abstract: A liquid crystal display panel includes an array substrate, a color filter substrate, a plurality of pad structures disposed between the array substrate and the color filter substrate, a display area, and a light transmissive functional area. The pad structures are correspondingly disposed on the display area. The display area includes a predetermined area disposed at a periphery of the light transmissive functional area, and a thickness of each of the pad structures disposed on the predetermined area gradually decreases along a direction from the predetermined area to the light transmissive functional area.Type: GrantFiled: August 21, 2019Date of Patent: May 9, 2023Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Wei Tang, Gaiping Lu
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Patent number: 11644720Abstract: The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.Type: GrantFiled: September 2, 2022Date of Patent: May 9, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Kimura
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Patent number: 11644721Abstract: A display panel and a display device are disclosed. The display panel includes upper and lower substrates, a liquid crystal layer, a first electrode, and a second electrode. The second electrode includes at least a stem electrode and a plurality of branch electrodes. A plurality of subpixel areas are provided, and each of the subpixel areas is divided into at least four liquid crystal domains by the stem electrode. The subpixel area in corresponding one of the liquid crystal domains is further divided to form a partition-like structure to increase number of liquid crystal domains, so that light transmittance and display quality can be improved.Type: GrantFiled: April 21, 2020Date of Patent: May 9, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xingwu Chen, Mei Chen, Xin Zhang, Lixuan Chen, Dongze Li
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Patent number: 11644722Abstract: Provided is a display substrate, a manufacturing method thereof and a display panel. The display substrate includes a base substrate, a display region and a bonding region located at a side of the display region on the base substrate, wherein the bonding region includes a first protective layer and a bonding electrode disposed on the base substrate; the first protective layer is provided with a groove; the bonding electrode is at least partially disposed in the groove; in a direction parallel to the base substrate, the groove, the bonding electrode and the first protective layer extend to an edge of the bonding region in a direction away from the display region; and a material of the first protective layer is less hard than a material of the bonding electrode.Type: GrantFiled: September 13, 2021Date of Patent: May 9, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaoxiang Zhang, Xiaolong Li, Yihe Jia, Lianjie Yang, Xiangqian Ding, Yongzhi Song
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Patent number: 11644723Abstract: This application relates to an electrostatic discharge (ESD) protection structure of a display panel, and a display apparatus. The ESD protection structure includes: a driving chip configured to send a driving signal; a plurality of signal lines arranged in a display area, where the display area is equally divided into a first signal line area and a second signal line area, each of the plurality of signal lines located in the first signal line area is coupled with a positive polarity switch, each of the plurality of signal lines located in the second signal line area is coupled with a negative polarity switch, and the positive polarity switch and the negative polarity switch are electrically connected to the driving chip; and ESD protection circuits, each including a forward diode and a backward diode.Type: GrantFiled: January 18, 2019Date of Patent: May 9, 2023Assignee: HKC CORPORATION LIMITEDInventor: Xiaoyu Huang
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Patent number: 11644724Abstract: A display device includes a first member, a second member, image signal lines, signal sources, synchronization line terminals, and synchronization lines. The first member includes a display area. The second member includes a plate surface greater than the plate surface of the first member and a display area. The second member includes a covered portion covered with the first member and an uncovered portion not covered with the first member. The image signal lines are disposed in the covered portion. The signal sources are mounted to signal source mounting areas of the uncovered portion. The synchronization line terminals are disposed in the signal source mounting areas and coupled to the signal sources. The synchronization lines are disposed in the covered portion and the uncovered portion and coupled to the synchronization line terminals. Some of the synchronization lines cross a border between the covered portion and the uncovered portion.Type: GrantFiled: February 24, 2021Date of Patent: May 9, 2023Assignee: SHARP KABUSHIKI KAISHAInventor: Yohsuke Fujikawa
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Patent number: 11644725Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of pixel electrodes electrically connected with the plurality of data lines; a plurality of common electrodes corresponding to two or more pixel electrodes among the plurality of pixel electrodes; a data driving circuit outputting data voltages to the plurality of data lines; and a driving circuit outputting a first driving signal with a first voltage level to at least one common electrode among the plurality of common electrodes during a first driving period and a second driving signal with a second voltage level and a third voltage level to the at least one common electrode during a second driving period, the second driving signal being a pulse signal, wherein the second voltage level and the third voltage level differ from the first voltage level.Type: GrantFiled: November 5, 2021Date of Patent: May 9, 2023Assignee: LG DISPLAY CO., LTD.Inventors: SeongKyu Kang, SungChul Kim, HoonBae Kim, SunYeop Kim
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Patent number: 11644726Abstract: A display device includes two adjacent pixel electrodes spaced apart from each other by a gap extending in a first direction, at least one signal line extending in the first direction and having at least one protrusion at at least one side thereof, and two adjacent common electrode lines spaced apart from each other. The orthogonal projection of one/the other common electrode line on the substrate is located between the orthogonal projection of the signal line on the substrate and the orthogonal projection of one/the other pixel electrode on the substrate. Each common electrode line has a bend segment bending away from the signal line, wherein the protrusion of the at least one signal line positionally corresponds to the bend segment of each common electrode line, and the length of the protrusion is not larger than the length of the bend segment.Type: GrantFiled: March 24, 2022Date of Patent: May 9, 2023Assignee: Au Optronics CorporationInventors: Hung-Che Lin, Yi-Chu Wang, Chien-Huang Liao, Yi-Tse Lin, Fu-ming Yu
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Patent number: 11644727Abstract: A display panel, a manufacturing method of the display panel, and a display device are disclosed. The display panel includes a first substrate and a second substrate. The first substrate includes a first base, a light-shielding layer disposed on the first base, and a color filter layer disposed on the first base, and a common electrode layer disposed on the light-shielding layer and the color filter layer. The common electrode layer is provided with an opening at a position opposite to the color filter layer.Type: GrantFiled: April 22, 2021Date of Patent: May 9, 2023Assignees: Beihai HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Yang Pu, WenChin Hung, Wei Li
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Patent number: 11644728Abstract: A display panel and a display device are disclosed. The display panel is divided into a display area and a non-display area. The non-display area is located at a periphery of the display area. A retaining wall structure configured to block an alignment liquid is disposed between the display area and the non-display area, and the retaining wall structure surrounds the display area and is connected end to end; the non-display area of the display panel includes a fan-out area, and the retaining wall structure includes a metal layer. The metal layer of the retaining wall structure and a metal layer of the fan-out area are formed as different layers.Type: GrantFiled: June 1, 2022Date of Patent: May 9, 2023Assignee: HKC CORPORATION LIMITEDInventor: Chunhui Yang
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Patent number: 11644729Abstract: An active matrix substrate includes a first pixel region defined by first and second source bus lines adjacent to each other and first and second gate bus lines adjacent to each other and further includes a first pixel electrode and a first oxide semiconductor TFT that are associated with the first pixel region. The first oxide semiconductor TFT includes an oxide semiconductor layer and a gate electrode electrically connected to the first gate bus line. The oxide semiconductor layer includes a channel region and a low-resistance region including first and second regions located on opposite sides of the channel region. When viewed in a direction normal to the substrate, the low-resistance region extends across the first source bus line to another pixel region and partially overlaps a pixel electrode disposed in the other pixel region with an insulating layer interposed therebetween.Type: GrantFiled: May 13, 2022Date of Patent: May 9, 2023Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Jun Nishimura, Akira Tagawa, Yasuaki Iwase, Yohei Takeuchi
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Patent number: 11644730Abstract: An electrochromic device including an electrode layer, an electrochromic layer and a conductive band having a closed ring shape. The electrochromic device having the above structure has excellent color-switching speeds and electrochromic uniformity.Type: GrantFiled: April 23, 2018Date of Patent: May 9, 2023Assignee: LG CHEM, LTD.Inventors: Yong Chan Kim, Ki Hwan Kim, Pil Sung Jo
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Patent number: 11644731Abstract: A display plasma module with a double-layer microstructure includes a pixel electrode and a transparent electrode located above the pixel electrode. A display plasma and a liner frame surrounding the display plasma are arranged between the pixel electrode and the transparent electrode. A plasma barrier array used for uniformly dispersing and stabilizing the display plasma is arranged on the pixel electrode and/or the transparent electrode, and a spacer particle layer is adsorbed on the plasma barrier array. The display plasma module directly uses the display plasma to replace the micro-cup structure or the microcapsule structure, and is provided with the plasma barrier array and the spacer particle layer used for uniformly dispersing, stabilizing and isolating the display plasma, which has a function of supporting the whole display plasma module and controlling the thickness of the display plasma.Type: GrantFiled: October 9, 2018Date of Patent: May 9, 2023Assignee: WUXI VISION PEAK TECHNOLOGY CO., LTDInventors: Lei Zhang, Jin Bao, Shan Chen
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Patent number: 11644732Abstract: A display device includes an electronic paper display and a ground electrode. The electronic paper display is imageable by receiving charges on a charge receiving layer of the electronic paper display. The ground electrode is opposite to the charge receiving layer of the electronic paper display and exposed at an edge of the display device.Type: GrantFiled: January 9, 2020Date of Patent: May 9, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Omer Gila, Henryk Birecki, Napoleon J Leoni
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Patent number: 11644733Abstract: A display panel including a substrate, a thermal sensor, a plurality of sensing traces, a pixel layer, and a display medium layer is provided. The substrate has a display area. The thermal sensor is attached on the substrate. The sensing traces are disposed on the substrate and connected to the thermal sensor. The pixel layer disposed on the substrate includes a pixel structure and a plurality of signal lines. The pixel structure is disposed in the display area and connected to the signal lines. The signal lines of the pixel layer are independent from the sensing traces. The display medium layer is disposed on the substrate and the pixel layer is located between the display medium layer and the substrate. A display apparatus and a method of fabricating the display panel are also provided.Type: GrantFiled: March 10, 2020Date of Patent: May 9, 2023Assignee: E Ink Holdings Inc.Inventor: Pei-Sheng Lee
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Patent number: 11644734Abstract: An optical modulator includes an optical modulation element including an optical waveguide formed on a substrate and a housing that accommodates the optical modulation element, the housing has a bottom surface wall having a quadrilateral shape in a plan view, first and second long side walls that are connected to two opposite edges of the bottom surface wall, and first and second short side walls that are shorter than the first and second long side walls and are connected to two other opposite edges of the bottom surface wall. An average wall thickness of the second long side wall is equal to or larger than an average wall thickness of the first long side wall. At least one of the first and second short side walls has an average thickness that is thinner than the average thickness of the first long side wall.Type: GrantFiled: July 3, 2019Date of Patent: May 9, 2023Assignee: SUMITOMO OSAKA CEMENT CO., LTD.Inventors: Norikazu Miyazaki, Toru Sugamata
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Patent number: 11644735Abstract: Provided is a wavelength conversion element capable of achieving highly efficient wavelength conversion, without relying on a method of applying electric fields. A wavelength conversion element is formed of a second-order nonlinear optical crystal and has a z-axis, running along a direction of spontaneous polarization, within a substrate plane. The wavelength conversion element includes a waveguide in which, when a plurality of circles having their centers on a straight line parallel to the z-axis and having the same radius are depicted so that circumferences of the plurality of circles contact each other, semicircular waveguides corresponding to one semicircles of the circumferences with the straight line as a boundary, are alternately connected.Type: GrantFiled: May 30, 2019Date of Patent: May 9, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Osamu Tadanaga, Takahiro Kashiwazaki, Takushi Kazama, Takeshi Umeki, Koji Embutsu, Nobutatsu Koshobu, Ryoichi Kasahara
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Patent number: 11644736Abstract: A vibration type actuator includes a vibration body, having an annular elastic body and an electro-mechanical energy conversion element, and includes a contact body having an annular shape. The contact body contacts the vibration body and relatively moves with regard to the vibration body. The contact body includes a base portion, a supporting portion that extends in an annular shape from the base portion in a radial direction of the contact body, and a friction member that is provided to the supporting portion, is a member different from the supporting portion, and is in contact with the vibration body. The friction member is connected to the supporting portion by a first surface extending along a central axis direction of the contact body and an annular second surface extending in the radial direction. The first surface includes a portion inclined with respect to the direction of the contact body central axis.Type: GrantFiled: July 30, 2021Date of Patent: May 9, 2023Assignee: Canon Kabushiki KaishaInventors: Satoru Kitajima, Satoshi Tsuchiya
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Patent number: 11644737Abstract: A projector includes: an exterior case having plurality of penetration holes; first base member fixed inside the exterior case and made of metal or crystalline resin; illumination unit fixed to first base member; image forming unit fixed to first base member; optical projection unit coupled to image forming unit; and second base member fixed inside exterior case and coupled to first base member, and having lower rigidity than first base member. First base member has plurality of first fixing parts which are arranged corresponding to position of part of plurality of penetration holes in exterior case and to which suspension fitting is fixed. Second base member has second fixing part which is arranged corresponding to position of penetration hole other than penetration holes having plurality of first fixing parts arranged therein, of plurality of penetration holes in exterior case, and to which suspension fitting is fixed.Type: GrantFiled: January 28, 2022Date of Patent: May 9, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Kenji Sakamoto, Yohei Sakai
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Patent number: 11644738Abstract: A wavelength conversion device includes a rotating device, a substrate rotated by the rotating device, a wavelength conversion element, and a first cooling device including, on an inside, a space in which working fluid is encapsulated, the first cooling device cooling the wavelength conversion element. The first cooling device is disposed in a position corresponding to the wavelength conversion element. The space extends from an outer edge side of the substrate to a rotation axis side. The first cooling device includes an evaporator and a condenser which are provided in the space. The evaporator includes a liquid retaining part configured to retain the working fluid in a liquid phase. The liquid retaining part is provided at the outer edge side in the space and disposed in the position corresponding to the wavelength conversion element.Type: GrantFiled: June 2, 2022Date of Patent: May 9, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Norikazu Kadotani, Takahiro Miyata
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Patent number: 11644739Abstract: A projector includes a light source module, a collimator lens module, a wavelength conversion module, a first dichroic unit and a second dichroic unit. The light source module provides a first beam. The collimator lens module has a first part and a second part. The first beam passes the first part. The wavelength conversion module receives the first beam and includes a reflecting plate and a wavelength conversion layer. The first dichroic unit reflects the first beam. The reflecting plate reflects the first beam to generate a second beam passing the second part. The wavelength conversion layer is excited by the first beam to generate a third beam. The second dichroic unit allows passing of the third beam and a part of the second beam to generate a fourth beam, and reflects the other part of the second beam to generate a fifth beam.Type: GrantFiled: June 21, 2021Date of Patent: May 9, 2023Assignee: Qisda CorporationInventors: Chih-Shiung Chien, Ming-Kuen Lin, Tsung-Hsun Wu
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Patent number: 11644740Abstract: An optical system includes an incident part, a first reflective surface, a second reflective surface, a third reflective surface, and an exit part. The incident part is rotationally symmetric around a central axis. Incident light from the incident part intersects the central axis and enters the first reflective surface. Reflected light from the first reflective surface intersects the central axis and enters the second reflective surface. Reflected light from the second reflective surface enters the third reflective surface.Type: GrantFiled: December 16, 2020Date of Patent: May 9, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Kana Kobayashi
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Patent number: 11644741Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; and an absorber layer on the capping layer, the absorber layer made from carbon and antimony.Type: GrantFiled: April 13, 2021Date of Patent: May 9, 2023Assignee: Applied Materials, Inc.Inventors: Shuwei Liu, Vibhu Jindal
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Patent number: 11644742Abstract: Provided is a phase shift mask blank including a substrate, and a phase shift film thereon, the phase shift film composed of a material containing silicon and nitrogen and free of a transition metal, exposure light being KrF excimer laser, the phase shift film consisting of a single layer or a plurality of layers, the single layer or each of the plurality of layers having a refractive index n of at least 2.5 and an extinction coefficient k of 0.4 to 1, with respect to the exposure light, and the phase shift film having a phase shift of 170 to 190° and a transmittance of 4 to 8%, with respect to the exposure light, and a thickness of up to 85 nm.Type: GrantFiled: April 18, 2022Date of Patent: May 9, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Takuro Kosaka