By Changing Physical Characteristics (e.g., Shape, Size Or Contours) Of An Optical Element Patents (Class 359/290)
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Patent number: 12139064Abstract: A method for adapting a setpoint for a digital lighting unit, which is intended to be projected by a digital lighting unit of a motor vehicle, which includes a matrix light source and an optical system. The method includes a step of applying digital filtering to the digital setpoint. The filter used is capable of anticipating geometric aberrations induced by said optical system when projecting a digital setpoint.Type: GrantFiled: September 30, 2020Date of Patent: November 12, 2024Assignee: VALEO VISIONInventors: Ali Kanj, Constantin Prat, Yasser Almehio, Hafid El Idrissi
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Patent number: 12132143Abstract: The present disclosure provides a light emitting device including a substrate, a plurality of light emitting elements disposed on the substrate, a partition wall disposed on the substrate, a light conversion element, an encapsulation layer disposed on the light emitting element, an intermediate layer disposed between the light conversion element and one of the light emitting elements, and a protection layer disposed between the intermediate layer and the light emitting elements. The partition wall defines a plurality of cavities, and one of the cavities corresponds to one of the light emitting elements. The light conversion element is disposed in the one of the cavities.Type: GrantFiled: March 27, 2023Date of Patent: October 29, 2024Assignee: InnoLux CorporationInventors: Hsiao-Lang Lin, Tsung-Han Tsai
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Patent number: 12130425Abstract: Systems and Apparatus for micromirror designs with electrode contact. In some examples, a micromirror including a mirror, a mirror via coupled to the mirror, a hinge coupled to the mirror via, the hinge including a springtip associated with a first side of the micromirror, the springtip associated with a first terminal, and an electrode associated with the first side of the micromirror, the electrode having a dielectric coating in contact with the springtip, the electrode associated with a second terminal different than the first terminal.Type: GrantFiled: September 3, 2021Date of Patent: October 29, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: William Craig McDonald, Ryan Patrick Savage
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Patent number: 12113140Abstract: Disclosed herein is an integrated component formed by a first wafer having first and second trenches defined in a top surface thereof, and a second wafer coupled to the first wafer and formed by a substrate with a structural layer thereon that integrated an electromagnetic radiation detector overlying the second trench. A first cap is coupled to the second wafer, overlies the electromagnetic radiation detector, and serves to define a first air-tight chamber in which the electromagnetic radiation detector is positioned. A stator, a rotor, and a mobile mass are integrated within the substrate and form a drive assembly for driving the mobile mass. The rotor overlies the first trench. A second cap is coupled to the second wafer, overlies the mobile mass, and serving to define a second air-tight chamber in which the mobile mass is positioned.Type: GrantFiled: February 10, 2022Date of Patent: October 8, 2024Assignee: STMicroelectronics S.r.l.Inventors: Luca Seghizzi, Linda Montagna, Giuseppe Visalli, Mikel Azpeitia Urquia
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Patent number: 12105287Abstract: A display having a reflective display panel may provide image light to an eye box. The panel may include mirrors rotatable between first and second angles. The mirrors may take a non-zero time period to transition between the first and second angles. During the non-zero time period, the light source may emit pulses of illumination. The mirrors may reflect the pulses of illumination as offset pupils of image light. The mirrors may be at respective intermediate angles while reflecting each of the pulses of illumination. The mirrors may toggle between the first and second angles at a sufficiently fast rate such that the offset pupils form an effective pupil that is expanded in at least one dimension. If desired, the offset pupils may be used to display virtual objects in different focal planes at the eye box.Type: GrantFiled: July 12, 2021Date of Patent: October 1, 2024Assignee: Apple Inc.Inventors: Vikrant Bhakta, Guolin Peng, Hyungryul Choi, Scott M. DeLapp
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Patent number: 12095157Abstract: This document describes techniques, apparatuses, and systems for a wave-shaped ground structure for antenna arrays. A radar system may include a ground structure with a first surface having a wave shape and a second surface opposite the first surface. The ground structure includes multiple antenna arrays separated in a longitudinal direction on the first surface. Each antenna array includes one or more antenna elements configured to emit or receive electromagnetic (EM) energy. The ground structure also includes antenna feeds separated in the longitudinal direction on the second surface and operably connected to the antenna arrays. The wave shape of the ground structure configures the radar system to provide an antenna radiation pattern that provides a uniform radiation pattern among the antenna arrays. The wave shape can also be configured to provide an asymmetrical radiation pattern or a narrow beamwidth for specific applications.Type: GrantFiled: July 23, 2021Date of Patent: September 17, 2024Assignee: Aptiv Technologies AGInventors: Mingjian Li, Shawn Shi, Zhengzheng Li
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Patent number: 12092814Abstract: An optical system with aberration correction is disclosed. The optical system may include an illumination source. The optical system may include a detector. The optical system may include one or more collection optics configured to image a sample onto the detector based on illumination from the illumination source. The optical system may include two or more aberration correction plates located in one or more pupil planes of the one or more collection optics. The two or more aberration correction plates may provide at least partial correction of two or more linearly-independent aberration terms. Any particular one of the two or more aberration correction plates may have a spatially-varying thickness profile providing a selected amount of correction for a single particular aberration term of the two or more linearly-independent aberration terms.Type: GrantFiled: January 12, 2022Date of Patent: September 17, 2024Assignee: KLA CorporationInventors: Haifeng Huang, Rui-Fang Shi, Joseph Walsh, Mitchell Lindsay, Eric Vella
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Patent number: 12078936Abstract: A magnification adjustable projection system is provided that includes an imaging system having an object or image space, a first deformable lens plate located within the object or image space for contributing a first magnification power to the imaging system as a function of an amount of curvature of the first deformable lens plate, and a second deformable lens plate located within the object or image space for contributing a second magnification power to the imaging system as a function of an amount of curvature of the second deformable lens plate. The projection system also has first and second bending apparatuses that adjust the curvature of the first and second deformable lens plate through a range of curvature variation for adjusting the magnification power of the imaging system.Type: GrantFiled: August 29, 2022Date of Patent: September 3, 2024Assignee: CORNING INCORPORATEDInventors: Robert Dennis Grejda, Brian Monroe McMaster, Paul Francis Michaloski
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Patent number: 12081320Abstract: This application provides example optical switching methods and example apparatuses. One example method includes generating K images that are consecutive in time sequence, where a first wavelength channel and at least one second wavelength channel are switched to a blocking state through a same image in the K images, and a value of K depends on a quantity of times that attenuation adjustment is performed for switching the first wavelength channel from a normal state to the blocking state. Information about the K images can then be sent to an optical switching element to enable the optical switching element to perform attenuation adjustment on the first wavelength channel and the at least one second wavelength channel.Type: GrantFiled: May 31, 2022Date of Patent: September 3, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Hangting Hu, Yuanwu Wang, Shengqian Zhong
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Patent number: 12077427Abstract: A micro-electro-mechanical systems device includes a substrate, each of an electronic circuit, an etch stop layer, and a hinge base mounted on the substrate, and an electrode connected to the circuit. A hinge is mounted on the base and is made of a doped semiconductor. The hinge includes a vertical support that extends vertically from the base, and a horizontally-extending hinge tab contacts the vertical support. The device also includes a movable mirror and a mirror via that couples the mirror to the hinge tab. The mirror is electrostatically attracted to the electrode responsive to application of a voltage between the electrode and the mirror, and movement of the mirror changes a relative position between the hinge tab and the vertical support. A stopper is mounted on the substrate that mechanically stops the movement of the mirror before the mirror contacts the electrode or etch stop layer.Type: GrantFiled: September 29, 2019Date of Patent: September 3, 2024Assignee: IGNITE, Inc.Inventors: Fusao Ishii, Victor Stone, Toshitaka Torikai
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Patent number: 12065074Abstract: Provided are an apparatus and method for selectively selecting and controlling interior and exterior displays of a vehicle. The apparatus includes an input unit configured to receive driving environment information, a memory configured to store a program for controlling interior and exterior displays of a vehicle according to a driving environment, and a processor configured to execute the program. The processor controls at least one of the interior and exterior displays to selectively project display information in consideration of the driving environment information by transmitting a control command signal for the at least one of the interior and exterior displays.Type: GrantFiled: September 28, 2021Date of Patent: August 20, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Myung Bin Choi, Sung Joon Ahn, Tae Hun Kim, Kyung Hoon Kim
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Patent number: 12059133Abstract: A light source apparatus, a medical observation system, an adjustment apparatus, an illumination method, an adjustment method, and a program that enable performing light modulation on a semiconductor light source through PWM control and current control without the necessary of a complicated work are provided. A light source apparatus 3 includes a first light source section 31 that emits a first light, a second light source section 32 that emits a second light, and a light source control section 33 that controls each of a pulse emission time and a pulse emission intensity of the first light and performs a control that changes one of a pulse emission time and a pulse emission intensity of the second light with the other one of the pulse emission time and the pulse emission intensity of the second light fixed.Type: GrantFiled: January 17, 2020Date of Patent: August 13, 2024Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.Inventor: Koji Kojima
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Patent number: 12055704Abstract: A selective optical shutter can include a first window, a second window, and a cavity disposed between the first window and the second window. A filter can be disposed in an optical path of the optical shutter, whereby the filter blocks of one of ultraviolet (UV) light or infrared (IR) light and passes each of visible light and the other of UV light or IR light. A first liquid and a second liquid can be disposed within the cavity. The first liquid and the second liquid can be substantially immiscible with each other, whereby a liquid interface is formed between the first liquid and the second liquid. The liquid interface can be adjustable by electrowetting to selectively pass visible light or the other of UV light or IR light.Type: GrantFiled: October 10, 2019Date of Patent: August 6, 2024Assignee: CORNING INCORPORATEDInventors: Joseph Marshall Kunick, Shawn Michael O'Malley
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Patent number: 12036151Abstract: For the purposes of working on eye tissue, an ophthalmological apparatus comprises a laser source that is configured to produce a pulsed laser beam, a focusing optical unit that is configured to focus the pulsed laser beam into the eye tissue, and a scanner system for deflecting the pulsed laser beam onto work target points in the eye tissue. The scanner system is configured to guide the pulsed laser beam onto work target points along a scan line that extends across a work line at an alignment angle and to tilt the scan line depending on the work target point on the work line in such a way that the scan line extends substantially along an outer face of a lenticule to be cut in the eye tissue.Type: GrantFiled: March 28, 2023Date of Patent: July 16, 2024Assignee: Ziemer Ophthalmic Systems AGInventor: Christian Rathjen
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Patent number: 12027130Abstract: Methods and systems for driving an active matrix electrowetting on dielectric device including thin-film-transistors to increase the switching frequency of the propulsion electrodes beyond what is typical for line-by-line active matrix driving. By using a latching circuit, it is possible to selectively switch specific propulsion (pixel) electrodes between an “on” and an “off” state, wherein a propulsion electrode in an “on” state can be driven by a time varying drive voltage on the top electrode that is a much higher frequency than is typically possible with amorphous silicon thin-film-transistor arrays. The faster drive frequency improves the performance of electrowetting devices, especially when used with aqueous droplets having a high ionic strength.Type: GrantFiled: August 5, 2022Date of Patent: July 2, 2024Assignee: Nuclera LTDInventors: Seth J. Bishop, Richard J. Paolini, Jr.
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Patent number: 12013527Abstract: Micro-Electro-Mechanical System (MEMS) devices may include at least one actuator. The actuator has a first end attachable to more than one side of a frame of the MEMS device, and has a second end attachable to a stage of the MEMS device, particularly via a joint. Further, the second end of the actuator is configured to bend upwards or downwards when the actuator is driven and the first end is attached.Type: GrantFiled: December 21, 2020Date of Patent: June 18, 2024Assignees: Huawei Technologies Co., Ltd., Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Shanshan Gu-Stoppel, Fabian Lofink, Jide Liang
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Patent number: 12007555Abstract: A micro-electro-mechanical system (MEMS) device may comprise a first layer that includes a stator comb actuator; a second layer that includes a rotor comb actuator; a mirror structure that includes a mirror; and a first set of hinges and a second set of hinges configured to tilt the mirror structure about a first axis of the MEMS device based on a driving torque caused by the stator comb actuator engaging with the rotor comb actuator. The first set of hinges may be configured to resist a lateral linear force on the mirror structure in a direction associated with the first axis caused by the stator comb actuator engaging with the rotor comb actuator. The second set of hinges may be configured to resist an in-plane torque on the mirror structure about a second axis of the MEMS device caused by the stator comb actuator engaging with the rotor comb actuator.Type: GrantFiled: August 28, 2020Date of Patent: June 11, 2024Assignee: Lumentum Operations LLCInventors: Wenlin Jin, Maziar Moradi, Gonzalo Wills, Stephen Bagnald
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Patent number: 11979185Abstract: An electronic modulating device is provided. The electronic modulating device includes a substrate, a plurality of first electrodes, a plurality of second electrodes and a third electrode. The plurality of first electrodes are disposed on the substrate. The plurality of second electrodes are disposed on the substrate. The third electrode is disposed on the plurality of first electrodes and the plurality of second electrodes, and includes a plurality of openings. The electronic modulating device is an antenna device. One of the plurality of openings is disposed corresponding to one of the plurality of first electrodes, and an area of the one of the plurality of openings is different from an area of another one of the plurality of openings.Type: GrantFiled: April 20, 2023Date of Patent: May 7, 2024Assignee: INNOLUX CORPORATIONInventors: Tsung-Han Tsai, Kuan-Feng Lee
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Patent number: 11971662Abstract: A digital exposure machine and an exposure control method thereof are disclosed. The exposure control method of the digital exposure machine includes: determining a scanning direction of the digital exposure machine, wherein a plurality of sub-pixels in an array include multiple rows of sub-pixels arranged in the scanning direction, the multiple rows of sub-pixels including a first row of sub-pixels in the scanning direction; determining a starting scanning position, the starting scanning position being located on an outer side of the first row of sub-pixels in the scanning direction; and performing a plurality of scannings to expose a display region of the first display substrate to be exposed, wherein a scanning pitch for each of the plurality of scannings is integer times of a pitch of two adjacent rows of sub-pixels of the first display substrate in the scanning direction.Type: GrantFiled: October 29, 2020Date of Patent: April 30, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhichong Wang, Fuqiang Li, Peng Liu, Jing Feng, Xinglong Luan, Guangcai Yuan, Xue Dong
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Patent number: 11971558Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator includes a first reflective layer; a cavity layer provided on the first reflective layer; and a reflective layer including a plurality of unit lattice structures that are provided on the cavity layer are and spaced apart from each other. Each of the plurality of unit lattice structures has a polycrystalline structure, and at least one grain of the polycrystalline structure has a column shape and a height equal to a height of the plurality of unit lattice structures.Type: GrantFiled: February 3, 2021Date of Patent: April 30, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sunil Kim, Junghyun Park, Duhyun Lee, Byunggil Jeong
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Patent number: 11967608Abstract: Provided is a pixel integrate scanning (PIS) distributed type automatic power-saving electronic display board, which histogram-equalizes a reference value of color values of an initial image signal on the basis of image pulses along with the drive control for easily implementing a high-definition image to set the value of a current (If) supplied to and flowing through the LED, and allows the gain controller to compare the set current value with a difference between the image reference value of the gamma controller and the correction value of the histogram-equalized image and determine a change in a subtraction loss value based on the power consumption difference of a display image in consideration of image quality change, brightness, and image size to designate a current value for display on the electronic display board and transmit corresponding image information so that the power-saving operation of the LED module is automatically performed.Type: GrantFiled: May 31, 2023Date of Patent: April 23, 2024Assignee: DONGBANG DATA TECHNOLOGY CO., LTDInventors: Young-Jae Ha, Seong Jun Ha, Hyun Jun Ha
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Patent number: 11965787Abstract: An example microelectromechanical system (MEMS) force sensor is described herein. The MEMS force sensor can include a sensor die configured to receive an applied force. The sensor die can include a first substrate and a second substrate, where a cavity is formed in the first substrate, and where at least a portion of the second substrate defines a deformable membrane. The MEMS force sensor can also include an etch stop layer arranged between the first substrate and the second substrate, and a sensing element arranged on a surface of the second substrate. The sensing element can be configured to convert a strain on the surface of the membrane substrate to an analog electrical signal that is proportional to the strain.Type: GrantFiled: July 8, 2022Date of Patent: April 23, 2024Assignee: NextInput, Inc.Inventors: Julius Minglin Tsai, Ryan Diestelhorst, Dan Benjamin
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Patent number: 11960084Abstract: Provided are an optical assembly and an electronic apparatus having the optical assembly. The optical assembly includes at least one reflective mirror reflecting image light output form a display module, a refractive lens through which image light reflected from the at least one reflective mirror passes, and a reflective lens having a first surface and a second surface and including a transflective coating layer provided on the first surface and reflecting the image light that passed through the refractive lens in a first direction and transmitting real light from a second direction facing the first direction.Type: GrantFiled: June 5, 2019Date of Patent: April 16, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Youngran Kim, Soojung Kim, Yongsu Kim, Cheongsoo Park, Hwanseon Lee
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Patent number: 11960143Abstract: A positioning system, including: a first plate; a second plate coupled to the first plate and pivotable about an axis; a pair of voice coil actuators configured to rotate the second plate about this axis; and a processor configured to drive currents to the pair of voice coil actuators; wherein the pair of voice coil actuators comprises a first and second magnet structures mounted on the first plate at equal and opposite distance from the axis, and a first and second coils mounted on the second plate and positioned such that the respective first and second magnet structures move in and out of the first and second coils when the second plate rotates about the axis; wherein each of the first and second magnet structures substantially conforms to an arc having a center at the axis and a radius equal to the distance of the magnet structure from the axis.Type: GrantFiled: November 13, 2020Date of Patent: April 16, 2024Assignee: THORLABS GmbHInventors: Tobias Böhme, Egbert Krause, Stefan Michael Friedrich Baumhackl
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Patent number: 11953799Abstract: The present disclosure relates to a light shutter panel and a transparent display apparatus having the same. The light shutter panel according to the present disclosure comprises: a lower electrode plate; a upper electrode plate facing with the lower electrode plate; a shutter layer disposed between the lower electrode plate and the upper electrode plate, the shutter layer including a first ink storage portion disposed at a lower part, a second ink storage portion disposed at a upper part and overlapped with the first ink storage portion, and a first electric field guide disposed between the first ink storage portion and the second ink storage portion; a first black ink filled into the first ink storage portion; and a second black ink filled into the second ink storage portion.Type: GrantFiled: April 21, 2021Date of Patent: April 9, 2024Assignee: LG Display Co., Ltd.Inventors: Jaehyun Park, Youngki Song
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Patent number: 11953787Abstract: The present invention relates to an optical imaging device capable of responding to a writing long-wave radiation (w) emitted by any object or scene.Type: GrantFiled: October 6, 2019Date of Patent: April 9, 2024Inventors: Ibrahim Abdulhalim, Hisham Abdulhalim
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Patent number: 11947240Abstract: An optical apparatus includes a light source, an optical waveguide element, a light detector, and an optical system. The light source emits a light beam. The optical waveguide element includes first and second gratings. The first grating causes part of the light beam to propagate in the optical waveguide element as a guided light beam. The second grating causes part of the guided light beam to exit from the optical waveguide element. The optical system causes the light beam to enter the first grating and causes a reflected light beam from an object to enter the second grating. Part of the reflected light beam entering the second grating propagates in the optical waveguide element and exits from the first grating as an optical feedback beam. The optical system causes part of the optical feedback beam to enter the light detector as separated light beams separated depending on wavelength.Type: GrantFiled: May 19, 2021Date of Patent: April 2, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Seiji Nishiwaki
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Patent number: 11943970Abstract: A light emitting device comprising a plurality of pixels is provided. Each of the plurality of pixels includes a light emitting element, a first transistor having a drain region connected to the light emitting element, and a second transistor having a drain region connected to a gate electrode of the first transistor. The plurality of pixels include a first pixel and a second pixel, which are adjacent to each other in a first direction. A source region of the second transistor of the first pixel and a source region of the second transistor of the second pixel share one diffusion region, and a source region, a gate electrode, and the drain region of the first transistor of the first and second pixels are sequentially arranged in one of a positive direction and a negative direction in the first direction.Type: GrantFiled: November 11, 2022Date of Patent: March 26, 2024Assignee: Canon Kabushiki KaishaInventor: Hiromasa Tsuboi
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Patent number: 11927741Abstract: A micromirror which comprises a mirror pivotally attached to a mount by a first pivoting structure that permits pivotal movement of the mirror relative to the mount about a first axis; a first comb drive which has a first position fixed relative to the mirror and second portion fixed relative to the mount. The first comb drive being for actuating the mirror about the first axis. A weight connected to the mirror, and the weight and mirror being on opposite sides of a fulcrum of the first pivoting structure. The first axis is non-parallel to a longitudinal axis extending through the weight and the mirror.Type: GrantFiled: December 22, 2022Date of Patent: March 12, 2024Assignee: Preciseley Microtechnology Corp.Inventor: Tiansheng Zhou
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Patent number: 11927916Abstract: For example, an escape gear wheel part as a watch component includes a base member including a first surface and a second surface opposite the first surface, the base member being mainly composed of silicon, and a light reflecting layer provided at the first surface of the base member, the light reflecting layer having a three-layer structure in which a first silicon oxide layer, a silicon layer, and a second silicon oxide layer are layered in this order.Type: GrantFiled: March 13, 2020Date of Patent: March 12, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Kazuyuki Miyashita
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Patent number: 11902638Abstract: Imaging systems and methods that enable multiple detectors to be used to capture multiple component images that can be fused to create a composite image of a scene, without introducing gaps in that composite image in areas corresponding to the boundaries of the detectors, are provided. The system includes imaging optics, such as a telescope, that at least in part define an optical path extending between an exit pupil and a focal plane. Field segmentation optics are located within the optical path, to create multiple, partially overlapping component images. At least one detector is provided to produce an image signal representing each of the component images. A composite image is then formed by registering and fusing the component images.Type: GrantFiled: December 30, 2021Date of Patent: February 13, 2024Assignee: Ball Aerospace & Technologies Corp.Inventor: Joshua Eskin
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Patent number: 11893755Abstract: Systems and methods are described for display of a depth image (depth plus texture) using multiple focal planes. In one embodiment, a depth image (which may be a frame of a depth video, consisting of a video plus depth sequence) is mapped to a first set of image planes. The depth image (or a subsequent frame of the depth video) is mapped to a second set of image planes. Each image plane in the first and second set has a specified depth, and the first and second set differ in at least one depth. Each of the image planes is displayed in the first set at the respective depth of that image plane, and, subsequently, each of the image planes in the second set is displayed at its respective depth. Display of the first and second sets may be cyclically alternated at rate sufficiently high to avoid perceptible flicker.Type: GrantFiled: January 16, 2019Date of Patent: February 6, 2024Assignee: InterDigital VC Holdings, Inc.Inventors: Seppo T. Valli, Pekka K. Siltanen
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Patent number: 11885964Abstract: Disclosed is an electronic device. An electronic device according to the present disclosure may include: an optical system generating light for implementing an image; and a display emitting the light provided from the optical system to an exit location set according to an incident location and an incident angle, in which the optical receiver may include a light source, and a reflector has a shape bent at a different angle with respect to the display while reflecting the light generated by the light source to the display. The electronic device according to the present disclosure may be associated with an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 5G service, and the like.Type: GrantFiled: August 31, 2019Date of Patent: January 30, 2024Assignee: LG ELECTRONICS INC.Inventors: Seungyong Shin, Vladimir Kuzmin, Alexey Borodulin, Changkyu Hwang
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Patent number: 11887427Abstract: A security print medium for forming security documents therefrom, the security print medium comprising a core having opposing first and second sides. The core comprises a radiation-responsive substance distributed within the core across at least a first region of the core, the radiation-responsive substance being responsive to a predetermined input radiation by producing a predetermined output radiation. The security print medium further comprises a first encoding layer disposed on the first side of the core and a second encoding layer disposed on the second side of the core, each of the first and second encoding layers comprising an encoding material that modifies the intensity of the predetermined input radiation and/or the predetermined output radiation produced by the radiation-responsive substance transmitted through the respective encoding layer, wherein the first and second encoding layers overlap each other across the first region.Type: GrantFiled: October 8, 2020Date of Patent: January 30, 2024Assignee: DE LA RUE INTERNATIONAL LIMITEDInventors: Matt Shortell, Emily Parker
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Patent number: 11889766Abstract: A miniature fluid actuator is disclosed and includes a substrate, a chamber layer, a carrying layer and a piezoelectric assembly. The substrate has an inlet. The chamber layer is formed on the substrate and includes a first chamber in communication with the inlet, a resonance layer and a second chamber. The resonance layer has a central aperture in communication between the first chamber and the second chamber. The carrying layer includes a fixed region formed on the chamber layer, a vibration region, a connection portion and a vacant. The vibration region is located at a center of the fixed region and corresponding to the second chamber. The connection portion is connected between the fixed region and the vibration region. The vacant is formed among the fixed region, the vibration region and the connection portion. The piezoelectric assembly is formed on the vibration region.Type: GrantFiled: October 16, 2020Date of Patent: January 30, 2024Assignee: Microjet Technology Co., Ltd.Inventors: Hao-Jan Mou, Hsien-Chung Tai, Lin-Huei Fang, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo, Tsung-I Lin
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Patent number: 11862265Abstract: A method of tuning a resonant frequency of a nano-electromechanical systems (NEMS) drum device is performed by applying a gate voltage between the drum membrane [100] and a back gate [104] to alter the resonant frequency of the membrane to a desired frequency; photoionizing the drum membrane with a laser to detune the membrane resonant frequency to a ground state frequency; and releasing the gate voltage to set the membrane to the desired resonant frequency. The method provides the basis for various applications including NEMS memory and photodetection techniques. The NEMS device may be implemented as a graphene/hBN membrane [100] suspended on a SiO2 layer [102] deposited on a Si substrate [104].Type: GrantFiled: May 27, 2020Date of Patent: January 2, 2024Assignee: University of OregonInventors: Benjamín J. Alemán, David J. Miller
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Patent number: 11835839Abstract: An example deformable mirror includes a number of cells defining an aperture plane of the mirror. Each of the cells includes a first transparent electrode layer and a second reflective electrode layer, with a solid crystal electro-optical (EO) active layer between the electrode layers. The deformable mirror includes a reflective layer optically coupled to each of the cells on the reflective side of the cell.Type: GrantFiled: April 18, 2023Date of Patent: December 5, 2023Assignee: Exciting Technology LLCInventors: Paul F. McManamon, Abtin Ataei
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Patent number: 11822167Abstract: A display module and a display device are provided in the embodiments of the present disclosure. The display module includes a display panel, the display panel includes a first surface and a second surface opposite to each other, at least one of the first surface and the second surface is a display surface, and the display module further includes an optical modulation structure arranged on at least one of the first surface and the second surface of the display panel. The optical modulation structure includes: a first transparent substrate and a second transparent substrate arranged opposite to each other, a charged particle arranged between the first transparent substrate and the second transparent substrate, and a first transparent electrode structure arranged between the first transparent substrate and the second transparent substrate and configured to form an electric field for driving the charged particle to move.Type: GrantFiled: March 10, 2021Date of Patent: November 21, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiuyun Chen, Lingyu Sun, Jingjun Du, Peng Zhong, Tingxiu Hou, Jian Zhao, Min Wang, Fei Liang
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Patent number: 11806715Abstract: A method for moving an aqueous droplet comprising providing an electrokinetic device including a first substrate having a matrix of electrodes, wherein each of the matrix electrodes is coupled to a thin film transistor, and wherein the matrix electrodes are overcoated with a functional coating comprising: a dielectric layer in contact with the matrix electrodes, a conformal layer in contact with the dielectric layer, and a hydrophobic layer in contact with the confornial layer; a second substrate comprising a top electrode; a spacer disposed between the first substrate and the second substrate and defining an electrokinetic workspace; and a voltage source operatively coupled to the niatrix electrodes. The method further comprises disposing an aqueous droplet on a first matrix electrode; and providing a differential electrical potential between the first matrix electrode and a second matrix electrode with the voltage source, thereby moving the aqueous droplet.Type: GrantFiled: October 13, 2022Date of Patent: November 7, 2023Assignee: Nuclera LtdInventors: Michael Chun Hao Chen, Sumit Kalsi, Laurence Livingstone Bell, Gordon Ross McInroy, David Zhitomirsky, Luke M. Slominski, Richard J. Paolini, Jr., Cristina Visani
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Patent number: 11796819Abstract: Systems, methods, and apparatuses may provide optical lenses comprising liquid crystal metasurfaces. Systems and methods may include a lens system comprising a first optical lens and a liquid crystal metasurface formed on the first optical lens, and a pair of electrodes positioned on opposite sides of the first optical lens. The pair of electrodes may individually tune sections of the liquid crystal metasurface to adjust an optical characteristic of the optical signal. A waveguide may be configured to receive the adjusted optical signal passed through the first optical lens and may provide the optical signal to an image sensor for an image.Type: GrantFiled: June 30, 2022Date of Patent: October 24, 2023Assignee: Meta Platforms, Inc.Inventors: Pradip Sairam Pichumani, Sandeep Rekhi, Thomas John Farrell Wallin
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Patent number: 11781867Abstract: A gyroscope includes a proof mass, and a first transduction/suspension structure coupled to the proof mass with a laterally flexible first coupling spring from a first coupling direction. A second transduction/suspension structure is coupled to the proof mass with a laterally flexible second coupling spring from a second coupling direction. A third transduction/suspension structure is coupled to the proof mass with a transversally flexible third coupling spring from a third coupling direction. A fourth transduction/suspension structure is coupled to the proof mass with a transversally flexible fourth coupling spring from a fourth coupling direction. Each transduction/suspension structure comprises elongated beams. Piezoelectric transducers are deposited on some elongated beams, and are configured to bend the corresponding elongated beams in the device plane and to measure the bending of the corresponding lateral elongated beams in the device plane.Type: GrantFiled: November 18, 2021Date of Patent: October 10, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Ville Kaajakari
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Patent number: 11782194Abstract: Configurable afocal optical system that can be configured to have different magnifications, including unity magnification, and which are capable of being cascaded to produce any number of magnifications.Type: GrantFiled: June 11, 2022Date of Patent: October 10, 2023Assignee: Wavefront Research, Inc.Inventor: Thomas A. Mitchell
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Patent number: 11774747Abstract: The invention concerns an adaptive optical device (I) comprising a deformable plate (2) intended to deform an incident wavefront by refraction and/or reflection, characterised in that it comprises: —tabs (5) fixedly attached to the plate (2), —a frame (21) fixed relative to the plate (2), each tab (5) comprising a moving portion (22) connected to at least one respective peripheral actuator (7) in order that the latter can locally deform the tab (5) in order that the tab transmits a deformation force to the deformable plate (2), each tab (5) further comprising a respective fixed portion (23) fixedly attached to the frame (21) in order to be immobilised relative to the frame. The invention is particularly suitable for the introduction or controlled correction of an optical aberration in an incident wavefront.Type: GrantFiled: August 26, 2020Date of Patent: October 3, 2023Assignee: ALPAOInventors: Julien Gérard Charton, Marie Emilie Laslandes
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Patent number: 11774791Abstract: 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 5, 2023Date of Patent: October 3, 2023Assignee: E Ink CorporationInventors: Donal Martin O'Keeffe, Timothy O'Keeffe
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Patent number: 11774827Abstract: A polymeric film includes a plurality of tapered microcells containing a dispersion of a first group and a second group of charged particles. The first group and second group of charged particles having opposite charge polarities. The tapered microcells include a wall and at least a portion of the wall is configured to repel the first group of charged particles. Also provided is a method of making a laminate for an electrophoretic display comprising embossing a plurality of tapered microcells through a layer of polymeric film and into a release sheet to form an embossed film; laminating the embossed film to a layer of conductive material on a protective sheet to form a laminated film; removing the release sheet from the polymeric film to form an opening to an interior of each microcell of the laminated film; filling the microcells with a dispersion fluid; and sealing the microcells.Type: GrantFiled: May 25, 2022Date of Patent: October 3, 2023Assignee: E Ink CorporationInventors: George G. Harris, Jay William Anseth
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Patent number: 11766741Abstract: The present invention discloses a varifocal laser processing system and method based on a variable light spot diffractive element. The system includes a laser device for generating a laser, a collimating lens for changing a light path and a diffractive optical element module for controlling light spot focal point distribution. The laser emitted by the laser device passes through the collimating lens to irradiate the diffractive optical element module, and the laser focused by the diffractive optical element module irradiates a to-be-processed workpiece; and the diffractive optical element module includes at least two DOE lenses oppositely distributed in an axial direction and a rotary actuator driving the DOE lenses to rotate. The rotary actuator drives at least one DOE lens to rotate with a central axis as a rotating center, thereby changing a position of a focal point generated after the laser is focused by the diffractive optical element module.Type: GrantFiled: November 3, 2022Date of Patent: September 26, 2023Assignee: HSG LASER CO., LTD.Inventors: Bin Du, Yong Chang
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Patent number: 11766830Abstract: A three-dimensional printer includes a projector, a tank, and a platform. The projector includes a light source, a digital micromirror device, and a controller. The digital micromirror device includes a micromirror, and the micromirror may be switched between an on state and an off state according to a control signal. The controller is electrically connected to the digital micromirror device and the light source. The controller further includes a judgement unit. The judgement unit may output the control signal to switch the micromirror to the off state when the light source is in the off state. The platform is adjacent to the tank. In addition, a manufacturing method for a three-dimensional printer is provided.Type: GrantFiled: March 3, 2021Date of Patent: September 26, 2023Assignee: Young Optics Inc.Inventors: Chao-Shun Chen, Jia-Bin Huang, Kai-Yun Cheng
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Patent number: 11747258Abstract: Systems and methods for holographic characterization of protein aggregates. Size and refractive index of individual aggregates in a solution can be determined. Information regarding morphology and porosity can be extracted from holographic data.Type: GrantFiled: May 27, 2022Date of Patent: September 5, 2023Assignee: New York UniversityInventors: David G. Grier, Michael D. Ward, Xiao Zhong, Chen Wang, Laura A. Philips, David B. Ruffner, Fook Chiong Cheong
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Patent number: 11741730Abstract: Disclosed herein are CPM support systems, as well as related apparatuses, methods, computing devices, and computer-readable media. For example, in some embodiments, a charged particle microscope computational support apparatus may include: first logic to, for each angle of a plurality of angles, receive an associated image of a specimen at the angle, and generate an associated scan mask based on one or more regions-of-interest in the associated image; second logic to, for each angle of the plurality of angles, generate an associated data set of the specimen by processing data from a scan, in accordance with the associated scan mask, by a charged particle microscope of the specimen at the angle; and third logic to provide, for each angle of the plurality of angles, the associated data set of the specimen to reconstruction logic to generate a three-dimensional reconstruction of the specimen.Type: GrantFiled: June 24, 2021Date of Patent: August 29, 2023Assignee: FEI CompanyInventors: Pavel Potocek, Maurice Peemen, Bert Henning Freitag
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Patent number: 11742123Abstract: A method of producing an oppositely magnetized magnetic structure within or on a substrate material includes: generating first and second numbers of cavities within or on a substrate material and filling the first and second numbers of cavities with first and second hard magnetic materials, respectively exhibiting first and second coercive field strengths, wherein the second coercive field strength is smaller than the first coercive field strength. The method further includes magnetizing, in a first direction, the first and second arrangements of magnetic structures, by a magnetic field having a field strength that exceeds the first and second coercive field strengths. The method further magnetizes the second arrangement of hard magnetic structures in a second direction, which differs from the first direction, by a second magnetic field having a field strength below the first coercive field strength but greater than the second coercive field strength.Type: GrantFiled: July 2, 2020Date of Patent: August 29, 2023Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Thomas Lisec, Fabian Lofink