Patents Examined by Journey F Sumlar
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Patent number: 12259606Abstract: An electro-optic modulator is a liquid-crystal-based electro-optical light modulator. The liquid-crystal-based electro-optical light modulator is fabricated using surface Micro-electromechanical Systems (MEMS) techniques. The electro-optical light modulator is used for inspecting flat panel displays or the like. Utilizing surface MEMS techniques for fabrication considerably thins the electro-optic modulator and allows the use of pure liquid crystal without the need for thick containment plates.Type: GrantFiled: September 8, 2023Date of Patent: March 25, 2025Assignee: Orbotech Ltd.Inventors: Jason S. Reid, Karla Gutierrez Cuevas
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Patent number: 12256892Abstract: An optical system includes a plurality of lenses. The plurality of lenses have refractive index distributions in which a refractive index changes in directions orthogonal to optical axes. The optical axes of the plurality of lenses are disposed on the same straight line as each other. The plurality of lenses are manufactured on the basis of same design values relating to an on-axis refractive index and a refractive index distribution constant. When rotation positions around the optical axes of the plurality of lenses at which a total aberration amount of the plurality of lenses reaches a maximum are set as reference rotation positions for the plurality of lenses, any one of the plurality of lenses is arranged at a position acquired by relatively rotating the reference rotation position around the optical axis.Type: GrantFiled: April 28, 2022Date of Patent: March 25, 2025Assignee: OLYMPUS CORPORATIONInventor: Takehiro Miki
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Patent number: 12253653Abstract: A camera optical lens includes, from an object side to an image side: a first lens with a negative refractive power, a second lens, a third lens with a positive refractive power, and a fourth lens with a negative refractive power. The camera optical lens satisfies the conditions of ?5.00?f1/f??2.00, 0.40?f3/f?0.70, ?1.20?f4/f??0.80, 2.50?(R3+R4)/(R3?R4)?20.00, and 1.20?d1/d2?3.50. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of a wide-angle and ultra-thin.Type: GrantFiled: December 27, 2021Date of Patent: March 18, 2025Assignee: AAC Optics (Suzhou) Co., Ltd.Inventor: Xueshuang Fan
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Patent number: 12235483Abstract: Provided is an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film includes a J-aggregate having an absorption peak of a J-band on a wavelength side longer than a wavelength of 700 nm, in which an absorption at a wavelength of 700 to 900 nm in a fast axis direction of the optically anisotropic film is larger than an absorption at a wavelength of 700 to 900 nm in a slow axis direction of the optically anisotropic film.Type: GrantFiled: August 25, 2021Date of Patent: February 25, 2025Assignee: FUJIFILM CorporationInventors: Ryoji Goto, Yuuta Fujino
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Patent number: 12228795Abstract: An imaging lens system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed from an object side. The fourth lens has negative refractive power and the fifth lens has negative refractive power, and a ratio (TTL/2ImgHT) between a distance (TTL) from an object-side surface of the first lens to an imaging plane and a diagonal length (2ImgHT) of the imaging plane is 0.6 or less.Type: GrantFiled: February 4, 2022Date of Patent: February 18, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Il Yong Park, Jong Gi Lee, Dong Hyuk Jang, Han Ul Youn
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Patent number: 12227133Abstract: Provided are an anti-dazzling display device, an anti-dazzling display method, and an interior rearview mirror. The anti-dazzling display device includes a sensor unit, a display unit, and an anti-dazzling unit on a light exit side of the display unit. The anti-dazzling unit is configured to adjust a reflectivity of incident ambient light and a transmittance of image light exited from the display unit in response to a light intensity of ambient light sensed by the sensor unit.Type: GrantFiled: February 10, 2021Date of Patent: February 18, 2025Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Wenbo Li
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Patent number: 12210229Abstract: An accommodating contact lens comprises a variable focus optical module, which comprises an optical chamber and one or more eyelid engaging chambers coupled to the optical chamber with one or more extensions comprising channels extending between the optical chamber and the more eyelid engaging chambers. The module may comprise a self-supporting module capable of supporting itself prior to placement in a contact lens to facilitate placement prior to encapsulation in the contact lens. The module may comprise one or more optically transmissive materials, provides improved optical correction, and can be combined with soft contact lens materials such as hydrogels. In many embodiments, the module comprises a support structure extending between an upper membrane and a lower membrane in order to provide variable optical power accurately with decreased amounts distortion and improved responsiveness to eyelid induced pressure.Type: GrantFiled: November 16, 2023Date of Patent: January 28, 2025Assignee: OneFocus Technology, LLCInventors: Steven B. Waite, Amitava Gupta, Urban Schnell
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Patent number: 12204071Abstract: A metasurface that is designed to control electromagnetic radiation (EMR) in ways that perform more than a single function. The metasurface has a substrate layer that has multiple asymmetric nanofeatures, each having a height (H) between ?min/100 and 2?max. Each nanofeature has a particular length (Dy) that extends along a principal in-plane direction ? and a width (Dx) that is orthogonal thereto. Each nanofeature is tailored to scatter with different patterns one polarization state of electromagnetic radiation and one orthogonal polarization state of electromagnetic radiation.Type: GrantFiled: January 27, 2022Date of Patent: January 21, 2025Assignees: Research Foundation of the City University of New York, Nanohmics, Inc.Inventors: Andrea Alù, Adam C. Overvig, Shuwei Guo, You Zhou, Mark Lucente
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Patent number: 12196925Abstract: An optical imaging lens includes first to seventh lens elements sequentially arranged along an optical axis from an object side to an image side, and each including an object-side surface facing toward the object side and allowing an imaging ray to pass through and an image-side surface facing toward the image side and allowing the imaging ray to pass through. The first lens element has positive refracting power. The fourth lens element has positive refracting power. A periphery region of the object-side surface of the fourth lens element is convex. An optical axis region of the object-side surface of the sixth lens element is convex. An optical axis region of the image-side surface of the sixth lens element is concave. An optical axis region of the object-side of the seventh lens element is concave. Lens elements of the optical imaging lens are only the seven lens elements described above.Type: GrantFiled: April 12, 2022Date of Patent: January 14, 2025Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.Inventors: Jiayuan Zhang, Chuanbo Dong, Wei-Jeh Kao, Hung-Chien Hsieh
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Patent number: 12199396Abstract: A converging thermal lens is transiently formed by directing a shaped pulsed light beam having at least a first wavelength to a thermo-optic material, whereby the thermo-optic material absorbs the light beam and experiences local heating in response thereto. The heating induces a refractive index profile in the thermo-optic material that temporarily forms the converging thermal lens. In some embodiments, the refractive index of the thermo-optic material has a negative temperature dependence, and the pulsed light beam is shaped to have an inverted light pattern with a maximum intensity in an outer region of the beam cross-section. Alternatively, in some embodiments, the refractive index of the thermo-optic material has a positive temperature dependence, and the pulsed light beam is shaped to have a radially-varying light pattern with a maximum intensity in a central region of the beam cross-section.Type: GrantFiled: April 23, 2021Date of Patent: January 14, 2025Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARKInventors: Giuliano Scarcelli, Eitan Edrei
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Patent number: 12189159Abstract: Provided are an optical element, a light guide element, and an image display element in which the occurrence of sidelobe is suppressed. The optical element includes a cholesteric liquid crystal layer that is obtained by immobilizing a cholesteric liquid crystalline phase, in which the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a birefringence in a thickness region of 80% as a center portion with respect to a thickness of the cholesteric liquid crystal layer is represented by ?n1, a birefringence in a thickness region of 10% from one surface of the cholesteric liquid crystal layer is represented by ?n2, and a birefringence in a thickness region of 10% from another surface of the cholesteric liquid crystal layer is represented by ?n3, at least one of ?n2 or ?n3 is less than ?n1.Type: GrantFiled: August 13, 2021Date of Patent: January 7, 2025Assignee: FUJIFILM CorporationInventors: Yukito Saitoh, Hiroshi Sato, Katsumi Sasata, Shigeaki Nimura
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Patent number: 12189219Abstract: Reversible phase-change materials (PCMs) can be added to or incorporated into meta-lenses, wave plates, waveguides, gratings, and other optical components to form active optical devices with controllable and adjustable optical characteristics. Local heating can be used to induce solid-state phase changes and large refractive index changes in the PCMs. The phase and index changes can provide large changes in the device's optical characteristics. Optical devices with PCM can be used for imaging applications, orbital angular momentum control, photonic integrated circuits and optical communication systems, beam steering, and other application.Type: GrantFiled: February 23, 2021Date of Patent: January 7, 2025Assignee: Massachusetts Institute of TechnologyInventors: Juejun Hu, Tian Gu, Yifei Zhang, Carlos Andres Rios Ocampo, Mikhail Shalaginov, Xiaoming Qiu
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Patent number: 12188832Abstract: A decolorizing apparatus includes a translucent heater, a casing, and a controller. The translucent heater is configured to generate heat according to an applied voltage. The casing is configured to support the translucent heater. The controller is configured to apply a voltage to the translucent heater. The voltage is associated with a temperature at which a thermochromic colorant.Type: GrantFiled: April 23, 2021Date of Patent: January 7, 2025Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke Ishikawa, Kazuki Taira, Takaya Kitawaki, Daisuke Harayama
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Patent number: 12189267Abstract: A reflective optical device has an insulation layer, a lattice group, a rear surface electrode, and a voltage application unit. Lattice group is composed of a plurality of lattices including a lattice and a lattice. Each of the plurality of lattices has a structure in which dielectric layer and graphene layer are laminated. Voltage application unit has a function of individually applying a voltage to each of lattice group. Voltage application unit includes a voltage application unit to apply a first voltage to lattice, and a voltage application unit to apply a second voltage to lattice.Type: GrantFiled: June 20, 2019Date of Patent: January 7, 2025Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shimpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima
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Patent number: 12176677Abstract: Disclosed are integrated electro-absorption modulators (EAM) that are structured and/or operated to improve uniformity of the photocurrent density along the active region. In various embodiments, this improvement results from increased optical absorption at the rear of the EAM, e.g., as achieved by heating a region at the rear, increasing a bias voltage applied across the EAM towards the rear, or changing a material composition of an intrinsic layer towards the rear. In another embodiment, the improvement is achieved by coupling light from a waveguide into the EAM active region continuously along a length of the EAM, using overlap between a tapered section of the waveguide and the EAM.Type: GrantFiled: December 27, 2019Date of Patent: December 24, 2024Assignee: OpenLight Photonics, Inc.Inventor: John Parker
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Patent number: 12174456Abstract: Disclosed in the present application is an optical imaging lens. The optical imaging lens sequentially comprises, along an optical axis from an object side to an image side: a first lens having positive focal power; a second lens having focal power; a third lens having focal power; a fourth lens having positive focal power, an object side surface of the fourth lens being a convex surface and an image side surface thereof being a concave surface; and a fifth lens having negative focal power, an object side surface of the fifth lens being a convex surface and an image side surface thereof being a concave surface. A combined focal length f12 of the first lens and the second lens and a combined focal length f123 of the first lens, the second lens, and the third lens satisfy a relation that 0.5<f12/f123<1.5.Type: GrantFiled: February 3, 2022Date of Patent: December 24, 2024Assignee: Zhejiang Sunny Optics Co., LtdInventors: Shuang Zhang, Saifeng Lyu, Xiaobin Zhang, Fujian Dai, Liefeng Zhao
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Patent number: 12174458Abstract: Eyewear or glasses with a frame having a frame front and two temples. Frame front has a bridge between two sides. At least one primary magnet is embedded in frame of eyeglasses. A length of material having a first side and a second side has at least one secondary magnet. Length of material is fixed to a larger object such that at least one secondary magnet is facing away from the object. To store one's glasses, the wearer places the frame of the glasses proximate primary magnet against a secondary magnet so that the glasses are held magnetically (by way of magnetic forces) to the length of material and, in turn, to the larger freestanding object. The glasses can be removed and stored in this manner repeatedly.Type: GrantFiled: May 4, 2021Date of Patent: December 24, 2024Inventor: Katie Baird
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Patent number: 12169322Abstract: A lens driving device is provided, including: a cover member; a bobbin installed with at least one lens and having a coil unit arranged on an outer circumferential surface of the bobbin; a magnet arranged at a positon corresponding to that of the coil unit; first and second elastic members, where one end of each of the first and second elastic members may be respectively coupled to an upper surface and a lower surface of the bobbin and supporting movement of the bobbin in an optical axis direction; a detection unit configured to detect movement of the bobbin in a direction parallel to the optical axis direction; a damping member arranged at a connecting portion between the bobbin and the first elastic member; and a support unit provided at at least one of the bobbin and the first elastic member and maintaining an arranged position of the damping member.Type: GrantFiled: July 5, 2023Date of Patent: December 17, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee, Byung Wook Son, Sang Jun Min, Kyoung Ho Yoo
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Patent number: 12158425Abstract: An embodiment of a system is described that comprises a light source configured to produce a light beam; a collimating lens disposed on a movable mount, wherein the collimating lens is configured to capture the light beam and produce a substantially collimated beam; and an aspheric diffuse ring optic configured to receive the collimated beam and produce a spot on a surface that comprises a non-uniform radial intensity distribution.Type: GrantFiled: December 17, 2020Date of Patent: December 3, 2024Assignee: Thermo Scientific Portable Analytical Instruments Inc.Inventor: Malcolm C. Smith
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Patent number: 12153209Abstract: A method for providing a composite field of view includes providing two or more input light beams to a scanning mirror and scanning the two or more input light beams using the scanning mirror to provide a plurality of reflected light beams at different angles. Each of the plurality of reflected light beams is configured to provide an image in a respective field of view. The method also includes receiving the plurality of reflected light beams in a waveguide and projecting a plurality of output light beams from the waveguide to form a projected image in the composite field of view. The composite field of view is larger than the respective field of view provided by each of the two or more input light beams.Type: GrantFiled: June 21, 2022Date of Patent: November 26, 2024Assignee: Magic Leap, Inc.Inventors: Ivan Li-Chuen Yeoh, Lionel Ernest Edwin, Barak Freedman, Vaibhav Mathur, Xiaoyang Zhang, Timothy Mark Dalrymple, Clinton Carlisle, Chulwoo Oh, Philip Premysler