Patents Issued in January 17, 2019
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Publication number: 20190018211Abstract: Aspects and techniques of the present disclosure relate to an IP 55 rated enclosure that does not use a rubber O-ring or comparable elastomeric sealing member disposed between pieces of the enclosure to provide sealing. Another aspect of the present disclosure relates to an IP 55 compliant sealing interface that includes mating sealing profiles made of the identical materials. A further aspect of the present disclosure relates to an enclosure having jet stream redirecting structures that prevent spray from a water jet from being sprayed directly into an ingress path defined by a sealing interface. A further aspect of the present disclosure relates to a sealing interface provided by an interference-fit between two plastic profiles which create pressure on the interface keeping it closed while concurrently including angled surfaces so that greater tolerances are allowed.Type: ApplicationFiled: January 13, 2017Publication date: January 17, 2019Inventors: Maarten AERTS, Eric SCHURMANS, David Jan Irma VAN BAELEN, Valja EVERAERT, Stephane COLLART
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Publication number: 20190018212Abstract: An arrangement for a fiber optic distribution network includes a fiber management tray having a first major side and an opposite second major side. The arrangement also includes a fiber optic cable including optical fibers. The fiber optic cable has first and second jacketed sections and an unjacketed mid-span access location positioned between the first and second jacketed sections. The unjacketed mid-span access location can be managed by the fiber management tray with drop splicing being performed at the first major side of the tray and the remainder of the fiber management and splicing being performed at the second major side of the tray.Type: ApplicationFiled: September 19, 2018Publication date: January 17, 2019Inventor: Barry Wayne Allen
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Publication number: 20190018213Abstract: A lens apparatus includes an optical system, a holding barrel configured to hold at least part of the optical system, an electric unit attached to the holding barrel, a control board configured to control the electric unit, a flexible printed circuits board configured to connect the electric unit and the control board to each other, a holding member attached to the holding barrel and configured to hold the flexible printed circuits board, and a fixing member configured to attach the holding member to the holding barrel. The flexible printed circuits board includes a first bent part, and the fixing member has a receiving surface configured to receive a reaction force from the first bent part.Type: ApplicationFiled: July 9, 2018Publication date: January 17, 2019Inventor: Toshihiro Okuda
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Publication number: 20190018214Abstract: A lens locking apparatus is configured to be coupled to a lens module. The lens module is configured to focus on an object by translating along an optical axis of the lens module. The lens locking apparatus is configured to fix a position of the lens module by applying a compressive force on the lens module when the lens module is at a focused position.Type: ApplicationFiled: September 5, 2018Publication date: January 17, 2019Inventors: Ran LIAO, Peng BIN, Hao LIU, Xifeng ZHAO
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Publication number: 20190018215Abstract: An optical image capturing system with thin mounting components includes an optical imaging lens set providing at least two lenses with refractive power, an image plane, a first lens positioning element and a second lens positioning element. In certain conditions, the optical image capturing system with thin mounting components utilizes the member with a small thickness to design the positioning of the lenses, further effectively elevating the amount of light admitted into the optical image capturing system with thin mounting components and increasing the field of view thereof. The optical image capturing system with thin mounting components has an adequate illuminance and elevates the image quality in order to be applied to the small electronic products or the electronic products with slim border.Type: ApplicationFiled: February 26, 2018Publication date: January 17, 2019Inventors: Yeong-Ming CHANG, Chien-Hsun LAI, Yao-Wei LIU
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Publication number: 20190018216Abstract: A head-mounted display device includes a first light element configured to transmit a first light having a first color; a second light element configured to transmit a second light having a second color; a first lens configured for directing the first light in a first direction and directing the second light in a second direction; and a first set of one or more lenses configured for directing the first light and the second light from the first lens toward a first eye of a user. Also disclosed is a method that includes transmitting a first light and a second light through a first lens and a first set of one or more lenses and directing the first light and the second light toward a first eye of a user. Further disclosed is a method for adjusting a position of one or more lenses.Type: ApplicationFiled: August 17, 2018Publication date: January 17, 2019Inventors: Yijing Fu, Brian Wheelwright, Jacques Gollier, Ying Geng
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Publication number: 20190018217Abstract: A solar trough frame for holding solar mirrors includes a plurality of chords. The frame includes a plurality of extruded profiles, including chords, chord sleeves, struts, strut end pieces and mirror support pieces, each chord sleeve having at least one chord sleeve fin, each chord sleeve positioned about one of the chords. The frame includes a plurality of struts, at least one of the struts having a strut end piece having at least one strut fin that connects with a chord sleeve fin to connect the plurality of chords. The frame includes a platform supported by the chords and struts on which the solar mirrors are disposed. A chord sleeve for connecting a chord of a solar frame which supports solar mirrors to a strut end piece extending from a strut of the solar frame. A strut end piece for connecting the strut of a solar frame which supports solar mirrors to a chord sleeve of the solar frame. A method for linking a strut of a solar frame which supports solar mirrors to a chord of the solar frame.Type: ApplicationFiled: September 18, 2018Publication date: January 17, 2019Applicant: Werner Extrusion Solutions LLCInventors: Craig Roy Werner, Kurt James Werner, John Funai
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Publication number: 20190018218Abstract: A prism rotation adjustment mechanism, a photolithographic exposure system and a photolithography tool are disclosed. The prism rotation adjustment mechanism includes a frame (200), a flexible mechanism (100) and an actuation mechanism. The flexible mechanism (100) includes a fixing component (110), an actuating component (120), a connecting component (130) and a swinging component (140) that are flexibly articulated in a sequence. The fixing component (110) is fixed to the frame (200). The actuation mechanism is fixed to the frame (200) and coupled to the actuating component (120). On the swinging component (140) are secured a prism wherein an axis of articulation between the swinging component (140) and the fixing component (110) is in correspondence with a rotational center of the prism.Type: ApplicationFiled: December 28, 2016Publication date: January 17, 2019Inventor: Tongke SU
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Publication number: 20190018219Abstract: Aspects of the present disclosure are directed to a mirror bearing for an interferometer. An example mirror bearing includes a stationary mounting member and a mobile mirror assembly configured for slidable movement relative to the mounting member along its longitudinal axis. The mounting member is configured for rigid attachment to an interferometer body. A bore extends through the mounting member along its longitudinal axis. A drive coil receiving area of the mounting member is configured to hold a drive coil coupled thereto. The mobile mirror assembly includes a tube configured to receive, at one end of the tube, an end of the mounting member. The mobile mirror assembly also includes a mirror coupled to the opposite end of the tube. A drive magnet is disposed within the tube and is configured to be received within the bore of the mounting member when the mirror bearing is in an assembled configuration.Type: ApplicationFiled: July 13, 2018Publication date: January 17, 2019Inventor: John Magie COFFIN
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Publication number: 20190018220Abstract: A projector including: a display unit equipped with an image-forming surface made up of a plurality of pixels; a projection lens that is capable of focus adjustment and that projects an image that is formed on the image-forming surface onto a projection surface; a distortion correction processing unit that, on the basis of distortion correction data for correcting distortion of an image projected onto the projection surface, generates a corrected image by enlarging and/or reducing an image indicated by an input video signal and forms the corrected image on the image-forming surface; and a control unit that adjusts the focus of the projection lens on the basis of the distortion correction data such that a focus range on the projection surface is increased.Type: ApplicationFiled: February 3, 2016Publication date: January 17, 2019Inventor: Shigeru FUJINO
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Publication number: 20190018221Abstract: A zoom lens including, in order from an object side, a positive first lens group G1, a negative second lens group G2, a composite positive lens group which includes, at the most object side, a positive third lens group G3, which is consisting of one or more lens groups having positive refractive power, and which has positive refractive power as a whole, and a composite negative lens group which includes, at the most object side, a negative A lens group, which additionally includes at least a negative B lens group, and which has negative refractive power as a whole. In the zoom lens, changing focal length is performed by varying the distances between the lens groups, and a predetermined condition is satisfied.Type: ApplicationFiled: March 27, 2018Publication date: January 17, 2019Inventor: Junichi Yamazoe
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Publication number: 20190018222Abstract: An optical system includes a fixed module, a movable module and a driving assembly. The movable module moves relative to the fixed module, and the movable module includes a lens unit which includes a first lens, a second lens, a first side wall and a second side wall. The first side wall has a first surface, which directly contacts the second lens, and the second side wall directly contacts the first lens. A portion of the driving assembly is directly disposed on the lens unit, configured to drive the lens unit to move along an optical axis of the first lens. The first side wall further has a second surface opposite to the first surface, and the second surface directly contacts the portion of the driving assembly. The thickness of the first side wall is different from the thickness of the second side wall.Type: ApplicationFiled: July 24, 2018Publication date: January 17, 2019Inventors: Chih-Wei WENG, Chia-Pin HSU, Shao-Kuang HUANG, Kun-Shih LIN, Shou-Jen LIU, Sin-Jhong SONG
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Publication number: 20190018223Abstract: An imaging lens includes a first lens having one aspheric surface and positive refractive power; a second lens having one aspheric surface and negative refractive power; a third lens having one aspheric surface; a fourth lens having one aspheric surface; a fifth lens having one aspheric surface; a sixth lens having two aspheric surfaces; and a seventh lens having two aspheric surfaces, arranged in this order from an object side to an image plane side respectively with a space in between. The imaging lens has a total of seven lenses. The first lens is formed in a meniscus shape so that a surface on the object side is convex near an optical axis. The sixth lens is formed in a shape so that a surface on the image plane side is concave near an optical axis. The fifth lens has a specific Abbe's number.Type: ApplicationFiled: September 18, 2018Publication date: January 17, 2019Inventors: Yoji KUBOTA, Kenichi KUBOTA, Hitoshi HIRANO, Tomohiro YONEZAWA
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Publication number: 20190018224Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.Type: ApplicationFiled: September 19, 2018Publication date: January 17, 2019Inventors: Chun-Che Hsueh, Wei-Yu Chen
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Publication number: 20190018225Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.Type: ApplicationFiled: September 19, 2018Publication date: January 17, 2019Inventors: CHUN-CHE HSUEH, WEI-YU CHEN
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Publication number: 20190018226Abstract: A zoom optical system comprises, in order from an object: a first lens group (G1) having positive refractive power; a second lens group (G2) having negative refractive power; and a subsequent group (GR) including at least one lens group. Upon zooming, distances between the first lens group (G1) and the second lens group (G2) and between the second lens group (G2) and the subsequent group (GR) change. The subsequent group (GR) comprises a focusing group (Gfc) having negative refractive power for focusing. The first lens group (G1) comprises a 1-1st lens that has positive refractive power and is disposed closest to the object. The focusing group comprises a lens (L37) having positive refractive power and a lens (L38) having negative refractive power. Following conditional expressions are satisfied: 1.00<fFP/(?fFN)<2.00 1.80<f1/fw<2.Type: ApplicationFiled: November 28, 2016Publication date: January 17, 2019Inventor: Kosuke MACHIDA
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Publication number: 20190018227Abstract: Embodiments disclosed herein address these and other issues by providing a retro-modulating optical “tag” with a wide FOV that enables high-speed communication in a compact design. Embodiments enable retro-modulation via a lens assembly that directs light to a reflective surface, through a Quantum Well Modulator (QWM) that modulates the light. A wide field of view can be achievable, for example, using a lens with a high index of refraction, which may be optically contacted with the QWM.Type: ApplicationFiled: July 5, 2018Publication date: January 17, 2019Applicant: Cubic CorporationInventors: Tony Maryfield, Mahyar Dadkhah, Richard G. Trissel, Michael Roes
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Publication number: 20190018228Abstract: A compact orthoscopic lens is corrected for monochromatic and chromatic aberrations over wavelengths from 450 to 2450 nm with an angular FOV of 5.56° vertical and 66° horizontal. The 4.36? effective focal length lens with f-number of 4 is compact measuring 5.2? from the first optical surface to the image. The lens includes, in order from object to image, a first optical group having a negative optical power; a second optical group having a positive optical power and a third optical group having a negative optical power. The first optical group consists of two elements, the second optical group consists of three elements, one a doublet, and the third optical group consists of two elements. A physical aperture stop is positioned inside the second optical group. Powers of groups and elements, shapes, refractive indices, Abbe numbers and partial dispersions of glasses are selected so the lens is apochromatic and orthoscopic.Type: ApplicationFiled: July 11, 2017Publication date: January 17, 2019Inventors: Mark L. Oskotsky, Michael J. Russo, JR.
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Publication number: 20190018229Abstract: A zoom lens according to the disclosure includes a first lens group having positive refractive power, a second lens group, a third lens group, a fourth lens group, a fifth lens group, and a sixth lens group. The first lens group includes a front side first lens group fixed with respect to an image plane upon zooming from a wide end to a telephoto end and focusing from an infinite object to a short-distance object, and a rear side first lens group having positive refractive power. The second, third, and fifth lens groups travel along an optical axis upon zooming. The fourth and sixth lens groups are fixed with respect to the image plane in an optical axis direction upon zooming. At least two lens groups including the rear side first lens group travel along the optical axis upon focusing.Type: ApplicationFiled: December 9, 2016Publication date: January 17, 2019Inventors: Naoki Miyagawa, Yonghua Chen
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Publication number: 20190018230Abstract: The present disclosure concerns a broadband hyperspectral imaging spectrophotometer configured to analyze an object and includes an illumination assembly having a source for emitting a light beam and configured so that the light beam scans line by line the object to be analyzed, a focusing mirror, a first mirror folding, and a planar scanning mirror movable in rotation. The illumination assembly, the focusing mirror, the first folding mirror and the planar mirror are arranged to bring the light beam to the object along a line which will be displaced on the object via the scanning mirror. The imaging spectrophotometer further includes two measuring sensors by a distance between the object and the scanning mirror. The focusing mirror is movable in translation to adapt the imager to the measured distance by the measuring sensors.Type: ApplicationFiled: July 6, 2018Publication date: January 17, 2019Applicants: Centre National d'Études Spatiales, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)Inventors: Frédéric BOURCIER, Philippe WALTER
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Publication number: 20190018231Abstract: A scanning microscope and method of operation has a scan filter with a repeat pattern of a plurality of rows that is repeated at least across an active area of an entire surface of an area detector. Each row is covered by a bandpass filter or an emission filter for a specific fluorophore or filters of a particular colour for each row. The scanning microscope can be used to obtain one or more of hyperspectral images, multispectral images, RGB images, RGBW images, W images and Single Field Of View images of a specimen using Moving Specimen Image Averaging. A method of obtaining one or more of the images is also described.Type: ApplicationFiled: May 19, 2017Publication date: January 17, 2019Applicant: Huron Technologies, International Inc.Inventor: Arthur Edward Dixon
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Publication number: 20190018232Abstract: The present disclosure provides a pixel unit including a plurality of sub-pixels of different colors. Each sub-pixel includes a first transflective layer, a wavelength selective cavity, and a second transflective layer disposed successively along an incident light direction. A height of the wavelength selective cavity of each sub-pixel in the incident light direction is designed so as to select light having a wavelength corresponding to a color of the sub-pixel from light which is incident through the first transflective layer and reflected between the first transflective layer and the second transflective layer, and selected light exits through the second transflective layer. The present disclosure further provides a display substrate and a display panel.Type: ApplicationFiled: June 18, 2018Publication date: January 17, 2019Inventors: Wei HE, Qing CHANG, Lixia HUANG, Jian YANG, Xinghua LI
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Publication number: 20190018233Abstract: An electrostatic scanner has a mirror, a first outer slow-scan spring, a second outer slow-scan spring, a plurality of out-of-plane comb assemblies, circuitry for voltage or resistance measurement. Angular positions of a mirror can be determined by changes of resistance of deformed springs located in a leg of the circuitry. The determined angular positions of the mirror can be used for feedback control. The mirror is a one-dimensional mirror to rotate about a first axis or a two-dimensional mirror to rotate about the first axis and a second axis perpendicular to the first axis. In one example, the circuitry is Wheatstone bridge circuitry.Type: ApplicationFiled: July 12, 2018Publication date: January 17, 2019Applicant: Ultimems, Inc.Inventors: Yee-Chung Fu, Han-Tang Su
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Publication number: 20190018234Abstract: A laser scanner determines the direction and distance of one or more targets by emitting two substantially parallel beams and receiving respective return beams. Components for handling the received beams are affixed to a monolithic block to ensure fixed relative placement. The direction of the target is determined using an optical encoder to reduce the timing window for interpolation to a fraction of the time it takes for the scanner to make a full revolution. A PLL trained by recent segment timing further improves accuracy and precision. A detection algorithm adapts detection thresholds for the different signatures of return signals depending on the distance to the target. Distance calculations are also adjusted for thermal expansion of the scanner components by including a temperature-variant thermometer output signal in the distance calculation algorithm.Type: ApplicationFiled: July 16, 2018Publication date: January 17, 2019Applicant: Vehicle Service Group, LLCInventors: Steve Taylor, Robin Knoke, Merritt Houldson
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Publication number: 20190018235Abstract: An optical system including at least a first lens, a partial reflector and a reflective polarizer is described. The optical system has an optical axis such that a light ray propagating along the optical axis passes through the first lens the partial reflector and the reflective polarizer without being substantially refracted. At least one major surface of the optical system is rotationally asymmetric about the optical axis. A major surface of the optical system may have a first portion defined by a first equation and a second portion adjacent the first portion defined by a different equation. The first lens may have a contoured edge adapted to be placed adjacent an eye of a viewer and substantially conform to the viewer's face.Type: ApplicationFiled: September 2, 2016Publication date: January 17, 2019Inventors: Andrew J. Ouderkirk, Zhisheng Yun, Timothy L. Wong, Erin A. McDowell, Jo A. Etter, Robert M. Jennings
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Publication number: 20190018236Abstract: A method of operation in a near-eye display system includes determining, using an eye tracking component of the near-eye display system, a pose of a user's eye. A shift vector is determined for a magnifier lens of the near-eye display system based on the pose of the user's eye, and the shift vector is communicated to an actuator of the near-eye display system to instruct translation of the magnifier lens relative to the user's eye. After translation of the magnifier lens, an array of elemental images is rendered at a position within a near-eye lightfield frame and communicated for display at a display panel of the near-eye display system.Type: ApplicationFiled: July 13, 2017Publication date: January 17, 2019Inventors: John D. Perreault, Patrick Llull
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Publication number: 20190018237Abstract: An eyelid position sensor system for an ophthalmic lens comprising an electronic system is described herein for determining at least one of drowsiness or sleep onset of the wearer. The eyelid position sensor system is part of an electronic system incorporated into the ophthalmic lens. The electronic system in at least one embodiment includes a power source, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and an alert mechanism. The eyelid position sensor system is utilized to determine eyelid position and use this information to determine if the wearer is asleep or awake.Type: ApplicationFiled: September 6, 2018Publication date: January 17, 2019Inventors: Randall B. Pugh, Adam Toner
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Publication number: 20190018238Abstract: The disclosure is directed to an optically transparent visual display system that superimposes information onto the field of vision of a pilot or vehicle operator utilizing multiple wavelengths in order to extend the operator's range of vision. The display format may be presented on a head-up display (HUD) in a covert manner using near infra-red (NIR) light that is viewable with standard issue night vision goggles (NVGs) such as the AN/PVS-7, but not viewable to the unaided eye. Display information may originate from multiple wavelength sensors and illuminators for enhanced environmental and situational awareness that extend beyond the five human senses. Direct view displays, such as LCDs and instrument or vehicle lighting systems, may utilize NIR wavelengths that are viewable with NVGs but are not viewable to the unaided eye.Type: ApplicationFiled: January 30, 2017Publication date: January 17, 2019Applicant: LightSpeed Interfaces, Inc.Inventors: Barton James Jenson, David Shannon
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Publication number: 20190018239Abstract: The disclosure provides a light source device and an image display device. The light source device includes a laser light source configured to emit laser light having a wavelength in a range from 635 nm to 645 nm inclusive, a temperature sensor configured to detect temperature around the light source device, and a laser control circuit configured to control the laser light source. The laser control circuit approximates, with use of a quartic expression, change in threshold current of the laser light source relative to temperature, and approximates, with use of a quadratic expression, change in slope efficiency of the laser light source relative to temperature, to obtain threshold current and slope efficiency of the laser light source corresponding to detection temperature of the temperature sensor, and controls the laser light source in accordance with the threshold current and the slope efficiency thus obtained.Type: ApplicationFiled: June 21, 2018Publication date: January 17, 2019Inventors: AKIRA KUROZUKA, YUTA YAMAMOTO, SUSUMU URAGAMI, HIROYUKI FURUYA
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Publication number: 20190018240Abstract: The display device includes: a display unit that projects a light beam onto a windshield so that the light beam is reflected from the windshield such that one or more virtual images are displayed in a space further than the windshield in a depth direction through the windshield; and a controller that controls the display unit so that a first vertical image and a second vertical image included in the one or more virtual images and have different distances from the windshield in the depth direction, are displayed in a time-division manner.Type: ApplicationFiled: November 21, 2016Publication date: January 17, 2019Inventors: KEN'ICHI KASAZUMI, TOSHIYA MORI, KOSUKE KUBOTA, MASAHITO OGATA
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Publication number: 20190018241Abstract: A head-up display device includes: a plurality of light sources arrayed in matrix in a Y-direction and a Z-direction; and a lens unit in which a convex lens portion for collecting radiant light radiated from the light sources is formed opposing each light source. The plurality of light sources are arranged at an interval A in a Z-direction and at an interval B, which is smaller than the interval A, in the Y-direction. The lens unit has a first connection portion and second connection portions formed at boundaries of the adjacent convex lens portions. The first connection portion extends in the Y-direction, and the second connection portions extend in the Z-direction.Type: ApplicationFiled: January 16, 2017Publication date: January 17, 2019Inventors: Hiroteru HARUYAMA, Daichi KANETOKU
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Publication number: 20190018242Abstract: An electro-optic assembly of a vehicle includes a first substrate with a first surface and a second surface and a second substrate with a third surface and a fourth surface. The first substrate and the second substrate are configured to be held in a parallel spaced apart relationship. A transflective coating is positioned on at least one of the first and second surfaces of the first substrate. An antireflective electrode positioned on at least one of the second and third surfaces. An antireflection coating is positioned on at least one of the first surface and the fourth surface. An electro-optic medium is positioned between the second surface of the first substrate and the third surface of the second substrate. The electro-optic assembly is configured to reflect an image from a projector of the vehicle.Type: ApplicationFiled: August 31, 2018Publication date: January 17, 2019Inventors: Mario F. Saenger Nayver, George A. Neuman, David J. Cammenga
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Publication number: 20190018243Abstract: Systems and methods provide concurrent access to a single input resource. An audio stack of a computing device can receive multiple requests from applications to provide concurrent access to audio data received via an input resource, such as audio data received via an audio card coupled to a microphone. A request to access the resource is received from a first application. Based on the request, a cache memory is instantiated to model a memory buffer of the resource. A direct session between a component of the audio stack and the resource is established. As audio data is encoded, the audio stack component can receive the encoded audio data and write the audio data into the cache. A first session between the first application and the cache is generated, such that the first application interprets the cache as the audio input resource buffer memory.Type: ApplicationFiled: July 14, 2017Publication date: January 17, 2019Inventor: CHRISTOPHER IAIN PARKINSON
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Publication number: 20190018244Abstract: The embodiments of the present disclosure disclose a display apparatus and a display method. The display apparatus comprises a display unit having a plurality of pixels; a collimation unit configured to collimate light in a light exit direction of the display unit to obtain collimated light; and an adjustment unit configured to deflect the collimated light so that light emitted by pixels at different positions in the display unit is imaged at different depths of field.Type: ApplicationFiled: August 7, 2017Publication date: January 17, 2019Inventor: Jifeng TAN
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Publication number: 20190018245Abstract: An optical device comprising may include a light turning element. The optical device can include a first surface that is parallel to a horizontal axis and a second surface opposite to the first surface. The optical device may include a light module that includes a plurality of light emitters. The light module can be configured to combine light for the plurality of emitters. The optical device can further include a light input surface that is between the first and the second surfaces and is disposed with respect to the light module to receive light emitted from the plurality of emitters. The optical device may include an end reflector that is disposed on a side opposite the light input surface. The light coupled into the light turning element may be reflected by the end reflector and/or reflected from the second surface towards the first surface.Type: ApplicationFiled: March 21, 2018Publication date: January 17, 2019Inventors: Hui-Chuan Cheng, Hyunsun Chung, Jahja I. Trisnadi, Clinton Carlisle, Chulwoo Oh, Kevin Richard Curtis
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Publication number: 20190018246Abstract: Provided is a light guide plate for an image display device which uses lead-free glass, has excellent color reproducibility and a light weight, and may obtain a wide viewing angle. A light guide plate for an image display device, which guides image light inputted from an image display element and outputs the image light toward a user's pupil, is configured to be made of lead-free glass having a refractive index of 1.8 or more with respect to a wavelength of the image light, and to have internal transmittance of 0.6 or more with respect to a wavelength of 400 nm when a plate thickness is 10 mm.Type: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Applicant: HOYA CANDEO OPTRONICS CORPORATIONInventor: Yasuo KOGURE
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Publication number: 20190018247Abstract: Several unique hardware configurations and methods for freeform optical display systems are disclosed. A freeform display system includes primary freeform optical element(s) and secondary freeform optical element(s) in tiled arrangements to expand the horizontal field of view (FOV) or the vertical field of view. The system may include a variable focusing system that produces intermediate pupil and changes the focal distance of a single focal plane or switches among multiple focal planes for rendering objects in focus while resolving accommodation-convergence conflict. The system may map light samples to appropriate light rays in physical space and use a cluster of projectors to project the mapped light rays to produce the light field of the virtual display content. Methods for making tiled freeform optical display systems and methods for producing virtual content with variable focus freeform optics and rendering light fields are also disclosed.Type: ApplicationFiled: September 6, 2018Publication date: January 17, 2019Applicant: MAGIC LEAP, INC.Inventors: Chunyu GAO, Hong HUA
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Publication number: 20190018248Abstract: Optical apparatuses used for so-called immersive virtual reality (VR), as it is, can not be used for augmented reality (AR) that overlays external light and images. An optical apparatus to overlay image light on external light and guide resultant light in a downstream side, including: an image optical system including an optical element having lens power with respect to at least the image light; and a reflecting element to overlay, by reflecting at least part of the image light, the at least part of the image light and the at least part of the external light, wherein the image optical system has a GPH element having inverse dispersibility that is inverse to the wavelength dispersibility of the optical element.Type: ApplicationFiled: September 18, 2018Publication date: January 17, 2019Inventors: Miho NISHIYAMA, Takuya KOMATSU
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Publication number: 20190018249Abstract: The present invention comprises a foveated imaging system capable of capturing a wide field of view image and a foveated image, where the foveated image is a controllable region of interest of the wide field of view image.Type: ApplicationFiled: September 25, 2018Publication date: January 17, 2019Applicant: Magic Leap, Inc.Inventors: Chunyu Gao, Hong Hua
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Publication number: 20190018250Abstract: Provided is a display device that allows a distance from a display medium to an object ahead to be easily ascertained. The display device includes a display unit that projects a light beam onto a windshield so as to be reflected from the windshield such that a virtual image is displayed in a space further than the windshield in the depth direction, and a controller that controls the display unit so that a reference pattern to be superimposed on a pedestrian present in the space is displayed so as to correspond to the position of the pedestrian.Type: ApplicationFiled: January 10, 2017Publication date: January 17, 2019Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Ken'ichi KASAZUMI, Toshiya MORI, Kosuke KUBOTA, Masahito OGATA
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Publication number: 20190018251Abstract: An apparatus for beam shaping of laser radiation in the form of ultra short pulses includes an achromatic optical device comprising a first substrate having a first Abbe number and a second substrate connected to the first substrate and having a second Abbe number that is different from the first Abbe number. The first and second substrates are arranged to allow the laser radiation to at least partially pass through the first and second substrates in succession, wherein an optically functional transformation boundary surface is disposed on one of the first and second substrates. The optically functional transformation boundary surface allows the laser radiation to pass at least partially, such that a profile of the laser radiation is transformed into a top-hat profile.Type: ApplicationFiled: July 13, 2018Publication date: January 17, 2019Inventor: Aliaksei KRASNABERSKI
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Publication number: 20190018252Abstract: A laser optical device includes: an optical fiber unit for transmitting a laser beam; a connector for connecting the optical fiber unit; a collimator for transforming the laser beam into a parallel beam; and a condenser lens unit for condensing the parallel beam. The parallel beam emitted from the condenser lens unit is a flat-top beam. A laser optical head includes: a housing; a connector located in the housing and for connecting an optical fiber unit; a collimator formed at one side of the connector located in the housing and for transforming a laser beam transmitted from the optical fiber unit into a parallel beam; and a condenser lens unit located in the housing and for condensing the parallel beam. The parallel beam emitted from the condenser lens unit is a flat-top beam.Type: ApplicationFiled: February 29, 2016Publication date: January 17, 2019Applicants: Laservall Asia Co., Ltd.Inventors: Byoung-Chan CHOI, Ki-Seok KANG
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Publication number: 20190018253Abstract: An optical arrangement and a method for producing a combined beam of a plurality of laser light sources are described. In an embodiment, an optical arrangement includes a linear arrangement of a plurality of laser light sources aligned in parallel and having wavelengths different from each other, wherein the laser light sources are disposed in a plurality of groups, a collimation lens for producing a partial beam bundle for each group of laser light sources and a first diffraction grating onto which the partial beam bundles of the groups of laser light sources impinge adjacent to one another, following the collimation lenses, wherein the first diffraction grating is configured to deflect the partial beam bundles onto a second diffraction grating, and wherein the second diffraction grating is configured to deflect the partial beam bundles such that the bundles are combined into an overall beam bundle.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventors: Thomas Schreiber, Fabian Stutzki
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Publication number: 20190018254Abstract: A lens type display includes a pixel array and a lens array. The pixel array is used for generating pixel light corresponding to a sub-pixel. The lens array is disposed on the pixel array for refracting the pixel light to a plurality of viewpoints. The lens array includes a plurality of lens packs. Each lens pack includes a curved lens and a prism. Each lens pack is used for refracting the pixel light to three different viewpoints. The three different viewpoints can be three adjacent viewpoints corresponding to a common image.Type: ApplicationFiled: December 14, 2017Publication date: January 17, 2019Inventors: Wen-Sheng Tan, Yu-Chieh Chen
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Publication number: 20190018255Abstract: An optical system includes a first filter stack to convert light to a first circular polarization, and a second filter stack that reflects light having the first circular polarization and transmits light having a second circular polarization. A refractive beam splitting convex lens is disposed intermediate the first filter stack and the second filter stack. The first filter stack can include a first linear polarizer to convert light to a first linear polarization and a first quarter wave plate to convert the light from the first linear polarization to a first circular polarization. The second filter stack can include a second quarter wave plate to convert the light from the first circular polarization to a second linear polarization that is transverse to the first linear polarization, a polarization-dependent beam splitter to pass the first polarization and reflect the second polarization, and a linear polarizer to pass the second polarization.Type: ApplicationFiled: April 16, 2018Publication date: January 17, 2019Inventors: Yi QIN, Serge BIERHUIZEN, Xinda HU, Jerome CAROLLO
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Publication number: 20190018256Abstract: A display device includes a display panel including a plurality of pixels arrayed along first and second directions, a distribution unit that distributes light emitted from each pixel configured to display a parallax image corresponding to each of a plurality of viewpoints, and a light blocking unit between the display panel and the distribution unit. The distribution unit distributes light emitted from each of the pixels to the plurality of viewpoints along the first direction in a first display state where the display panel displays a parallax image, or stops distributing emitted light in a second display state, displaying a planar image. The light blocking unit forms, along the first direction, a plurality of first light blocking areas each extending along the second direction blocking some emitted light in the first display state, and stops forming the first light blocking areas in the second display state.Type: ApplicationFiled: July 13, 2018Publication date: January 17, 2019Inventors: Jin MATSUSHIMA, Koji SHIGEMURA, Yukie KEICHO, Tetsushi SATO
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Publication number: 20190018257Abstract: A flexible touch screen panel includes a thin film substrate including a first section and a second section and first sensing electrodes disposed in the first section and the second section, the first sensing electrodes being connected to one another along a first direction. The first sensing electrodes include a first stack structure in the first section and a second stack structure in the second section, the second stack structure being different from the first stack structure.Type: ApplicationFiled: September 19, 2018Publication date: January 17, 2019Inventor: Jun NAMKUNG
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Publication number: 20190018258Abstract: To draw a flexible printed circuit board in a small space with high flexibility in an optical unit with shake correction function. In an optical unit with rolling correction function, a first flexible printed circuit board for an imaging element is drawn around an optical axis of the optical unit with rolling correction function such that the first flexible printed circuit board is wound by substantially a turn in a circumferential direction at an identical height in an optical axis direction. Furthermore, in a portion wound in the circumferential direction (i.e., a connection part), one end and the other end in the circumferential direction are at an identical height in the optical axis direction. Furthermore, a second flexible printed circuit board for a rolling magnetic driving mechanism and a third flexible printed circuit board for a swing magnetic driving mechanism are also drawn in a similar manner.Type: ApplicationFiled: July 9, 2018Publication date: January 17, 2019Applicant: NIDEC SANKYO CORPORATIONInventors: Shinji MINAMISAWA, Masato GOMYO, Takeshi SUE
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Publication number: 20190018259Abstract: An optical unit with shake correction function capable of reducing a weight of a rotation member to be rotated in rolling correction. An optical unit with shake correction function includes: a movable member; a swing supporting mechanism supporting the movable member such that the movable member is able to swing; and a fixation member supporting the movable member via the swing supporting mechanism. The movable member includes: an imaging module; a rotation seat supporting the imaging module; a rotation supporting mechanism supporting the rotation seat such that the rotation seat is able to rotate on an optical axis of the imaging module; a supporting member supporting the rotation seat via the rotation supporting mechanism; and a rolling magnetic driving mechanism causing the rotation seat to rotate. The imaging module and the rotation seat configure the rotation member to be rotated by the rolling magnetic driving mechanism.Type: ApplicationFiled: July 9, 2018Publication date: January 17, 2019Applicant: NIDEC SANKYO CORPORATIONInventors: Shinji MINAMISAWA, Takeshi SUE, Masato GOMYO
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Publication number: 20190018260Abstract: Regarding an optical unit, a swing driving magnet is held at a holding area of a fixed member in such a manner that the swing driving magnet is movable, and a position-recovering magnetic member is held on a movable unit at a position where the position-recovering magnetic member is able to face the swing driving magnet (Step ST1). Next, a deviated amount between the axis line of the optical unit and the optical axis of an optical module is obtained (Step ST2). Then, the swing driving magnet is moved.Type: ApplicationFiled: July 12, 2018Publication date: January 17, 2019Applicant: NIDEC SANKYO CORPORATIONInventor: Shinji MINAMISAWA