Patents Examined by Thomas K. Pham
-
Patent number: 11960061Abstract: A camera optical lens includes six-piece lenses, from an object side to an image side, the six-piece lenses are: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens having a positive refractive power and a sixth lens having a negative refractive power. The camera optical lens satisfies conditions of 0.35?f1/f?0.50, ?30.00?R4/R3??2.00, and 1.50?(R5+R6)/(R5?R6)?30.00. The camera optical lens of the present application has excellent optical performances, and meanwhile can meet design requirements of a long focal length and is ultra-thin.Type: GrantFiled: December 31, 2020Date of Patent: April 16, 2024Assignee: AAC Optics (Suzhou) Co., Ltd.Inventor: Mengke Tan
-
Patent number: 11960062Abstract: The present application discloses an optical imaging lens, comprising, in order from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power, wherein a distance TTL from an object side surface of the first lens to an imaging plane of the optical imaging lens on the optical axis and an entrance pupil diameter EPD of the optical imaging lens satisfy TTL/EPD<1.9; and a total effective focal length f of the optical imaging lens satisfies 6.0 mm<f<7.5 mm.Type: GrantFiled: January 6, 2021Date of Patent: April 16, 2024Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Shuang Zhang, Xiaobin Zhang, Jianke Wenren, Fujian Dai, Liefeng Zhao
-
Patent number: 11960067Abstract: The disclosure discloses a zoom lens group. The zoom lens group sequentially includes from an object side to an image side along an optical axis: a first lens group having a negative refractive power, the first lens group including a first lens and a second lens which are sequentially arranged along the optical axis; a second lens group having a positive refractive power, the second lens group including a third lens, a fourth lens and a fifth lens which are sequentially arranged along the optical axis; and a third lens group having a positive refractive power, a separation distance between the first lens group and the second lens group on the optical axis and a separation distance between the second lens group and the third lens group on the optical axis are adjusted, so as to switch the zoom lens group from a wide-angle state to a long-focus state.Type: GrantFiled: January 13, 2021Date of Patent: April 16, 2024Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Yang Gao, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
-
Patent number: 11933952Abstract: A zoom lens consists of, in order from an object side, a negative first lens group, a positive second lens group, a positive third lens group, a negative fourth lens group, and a positive fifth lens group. The first lens group consists of, in order from the object side, a first A lens group that does not move during focusing, a first B lens group that moves during focusing, and a first C lens group that does not move during focusing. During zooming, the first lens group and the fifth lens group do not move, and the second lens group, the third lens group, and the fourth lens group move. The fourth lens group includes a stop. The zoom lens satisfies a predetermined conditional expression.Type: GrantFiled: July 8, 2021Date of Patent: March 19, 2024Assignee: FUJIFILM CorporationInventor: Masanao Kawana
-
Patent number: 11934032Abstract: Optical assemblies having a barrel and one or more optical elements mounted therein are provided. The optical assembly includes a resilient spacer positioned between two consecutive ones of the components mounted in the barrel. In typical implementations, the contacting surface of either one of the components adjacent to the resilient spacer is precisely centered relative to the center axis of the cavity of the barrel. Furthermore, an outwardly-directed resulting force is applied to the resilient spacer by its engagements with the adjacent components.Type: GrantFiled: January 14, 2021Date of Patent: March 19, 2024Assignee: INSTITUT NATIONAL D'OPTIQUEInventor: Frédéric Lamontagne
-
Patent number: 11914124Abstract: The present disclosure relates to optical lens, and provides a zoom lens including, from an object side to an image side in sequence: a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, a fifth lens group having a negative refractive power; distances between adjacent lenses of the first lens, the second lens, the third lens and the fourth lens or between the fourth lens and the fifth lens group vary in the direction of the optical axis; the fifth lens group including a fifth lens having a positive refractive power and a sixth lens having a negative refractive power; wherein the zoom lens satisfies conditions of: f_Tele/f_Wide>1.8; 10.00?D12_Wide/D12_Tele?20.00; and 15.00?d9_Wide/d9_Tele?22.50.Type: GrantFiled: April 12, 2021Date of Patent: February 27, 2024Assignee: Changzhou Raytech Optronics Co., Ltd.Inventor: Hiroyuki Teraoka
-
Patent number: 11914123Abstract: The present disclosure relates to a technical field of optical lenses, and discloses a zoom lens. The zoom lens, being sequentially from an object side to an image side, includes a first lens having a negative refractive power, a second lens group having a positive refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power, when zooming, among the first lens, the second lens group, the fifth lens, and the sixth lens, a spacing in an optical axis direction of adjacent lenses or lens groups changes, the second lens group includes a second lens having a positive refractive power, a third lens having a negative refractive power, and a fourth lens having a negative positive power. During photographing, when an F number (FNO) of a wide-angle end is less than or equal to 2.0, the zoom lens becomes bright.Type: GrantFiled: December 31, 2021Date of Patent: February 27, 2024Assignee: AAC Optics (Changzhou) Co., Ltd.Inventor: Hiroyuki Teraoka
-
Patent number: 11867973Abstract: A varifocal lens includes a substrate having an inclined region, a primary electrode disposed over the inclined region of the substrate, a dielectric layer disposed over the primary electrode, a deformable membrane disposed over and at least partially spaced away from the dielectric layer, a secondary electrode disposed over a surface of the deformable membrane facing toward or away from the dielectric layer and overlying at least a portion of the primary electrode, and a fluid between the membrane and the substrate, wherein a surface of the dielectric layer facing the secondary electrode comprises a textured surface.Type: GrantFiled: September 8, 2020Date of Patent: January 9, 2024Assignee: Meta Platforms Technologies, LLCInventors: Renate Eva Klementine Landig, Christopher Stipe, Kenneth Diest, Andrew John Ouderkirk, Maik Andre Scheller, Sheng Ye, John Cooke, Yigit Menguc, Nagi Elabbasi, James Ransley
-
Patent number: 11841486Abstract: An imaging lens includes a positive first lens group and a second lens group, which are continuous in order from the position closest to the object side, as lens groups. During focusing, the distance between the first lens group and the second lens group changes. A stop is disposed closer to the image side than a lens which is second from the object side. A combined refractive power of all lenses closer to the object side than the stop is positive. The imaging lens includes an LA positive lens and an LB positive lens that satisfy a predetermined conditional expression at a position closer to the object side than the stop. An Abbe number of the LB positive lens is the maximum among Abbe numbers of all positive lenses closer to the object side than the stop.Type: GrantFiled: January 22, 2021Date of Patent: December 12, 2023Assignee: FUJIFILM CorporationInventors: Daiki Kawamura, Michio Cho
-
Patent number: 11768377Abstract: A display subsystem for a virtual image generation system used by an end user, comprises first and second waveguide apparatuses, first and second projection subassemblies configured for introducing first and second light beams respectively into the first and second waveguide apparatuses, such that at least a first light ray and at least a second light ray respectively exit the first and second waveguide apparatuses to display first and second monocular images as a binocular image to the end user, and a light sensing assembly configured for detecting at least one parameter indicative of a mismatch between the displayed first and second monocular images as the binocular image.Type: GrantFiled: July 15, 2019Date of Patent: September 26, 2023Assignee: Magic Leap, Inc.Inventors: Lionel Ernest Edwin, Samuel A. Miller
-
Patent number: 11747647Abstract: Endpiece assemblies for eyeglass frames and eyeglasses are shown and disclosed. In one embodiment, the endpiece assembly includes an elongate body having a channel partially defined by an elongate bottom wall of the elongate body. The elongate body adapted to be attached to, or formed with, a temple of the eyeglass frame. The endpiece assembly additionally includes an intermediate member having first and second end portions and a first central portion therebetween. The first central portion and the second end portion are received in the channel and the first end portion adapted to connect to a connecting bar of the frame front of the eyeglass frame. The endpiece assembly further includes a first plurality of magnets disposed within the channel.Type: GrantFiled: May 18, 2021Date of Patent: September 5, 2023Inventor: Edward Chay
-
Patent number: 11733485Abstract: The present disclosure discloses an optical imaging lens assembly, and the optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis: a first lens having positive refractive power, and at least one subsequent lens having refractive power. An F-number Fno1 of the optical imaging lens assembly satisfies Fno1>3.5, where an object distance is finite, and an F-number Fno2 of the optical imaging lens assembly satisfies Fno2?1.0, where the object distance is infinite.Type: GrantFiled: August 26, 2020Date of Patent: August 22, 2023Assignee: Zhejiang Sunny Optical Co., LtdInventors: Saifeng Lyu, Fujian Dai, Liefeng Zhao
-
Patent number: 11726318Abstract: Optical systems and methods for operation thereof are disclosed. A delimited zone is defined as a function of distance from the optical system based on a VAC limit, the delimited zone having at least one distance threshold. A virtual distance of a virtual depth plane from the optical system at which a virtual object is to be displayed is determined. It is determined whether the virtual distance is outside the delimited zone by comparing the virtual distance to the at least one distance threshold. A collimated pixel beam associated with the virtual object is generated by a projector of the optical system. The collimated pixel beam is modified to generate a modified pixel beam if the virtual distance is outside the delimited zone. Modifying the collimated pixel beam includes converging the collimated pixel beam and/or reducing a diameter of the collimated pixel beam.Type: GrantFiled: December 9, 2020Date of Patent: August 15, 2023Assignee: Magic Leap, Inc.Inventors: Michael Anthony Klug, William Hudson Welch, Jason Schaefer, Björn Nicolaas Servatius Vlaskamp, Robert D. Tekolste, Michael Beau Dennison Vaughn
-
Patent number: 11714282Abstract: A light source includes a first set of source elements and a second set of source elements. A respective set of source elements is disposed on a respective substrate and electrically coupled to a respective set of circuit pads formed on a respective top surface of the respective substrate by respective bond wires. At least a portion of the respective top surfaces face each other and are spaced apart from each other to accommodate at least some of the first set of source elements, at least some of the second set of source elements, and at least some of the bond wires. The display device that includes a light source configured to output image light, an optical assembly configured to collimate the image light, a scanning assembly configured to steer the image light, and an output device configured to output the image light for displaying images is also disclosed.Type: GrantFiled: July 9, 2019Date of Patent: August 1, 2023Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Wanli Chi, Chadwick Brian Martin, Scott Charles McEldowney, Maxwell Parsons, Stephen James McNally, Daniel Guenther Greif
-
Patent number: 11714253Abstract: One aspect of the present disclosure provides a laser line generator that includes a laser beam source, a conversion lens, a lens holder, a rotation axis, a rotation support, a biasing portion, and a gap adjuster. The rotation support abuts the rotation axis and supports the lens holder such that the lens holder rotates about the rotation axis. The biasing portion brings the lens holder and the rotation support closer to each other. The gap adjuster adjusts a gap dimension between the lens holder and the rotation support that are brought closer to each other by the biasing portion.Type: GrantFiled: March 12, 2020Date of Patent: August 1, 2023Assignee: MAKITA CORPORATIONInventor: Kazuki Oguchi
-
Patent number: 11686946Abstract: Some embodiments described herein relate to head-mounted displays having an optical assembly and a support structure. The optical assembly can include the display, lenses, sensors, electronics and similar components. In this way, fragile and/or expensive components can be concentrated in the optical assembly. The support structure can include a faceplate and straps configured to hold the head-mounted display to the user's head. The optical assembly can be removeably coupled to the support structure. Support structures can be interchangeable with optical assemblies such that one support structure can be configured to be removeably coupled to all, most, or several optical assemblies.Type: GrantFiled: September 19, 2017Date of Patent: June 27, 2023Assignee: RAZER (ASIA-PACIFIC) PTE. LTD.Inventors: Yuval S. Boger, Yaron Kaufman
-
Patent number: 11681134Abstract: A tube system for a microscope includes two lenses and a glass element. The tube system can have a compact build and chromatic aberrations that lie within a specified range.Type: GrantFiled: July 21, 2020Date of Patent: June 20, 2023Assignee: Carl Zeiss Microscopy GmbHInventors: Renhu Shi, Marco Hanft, Thomas Nobis, Peter Schnuell, Johannes Knoblich
-
Patent number: 11675192Abstract: A multi-functional diffractive optical element (DOE) for redirecting light into a waveguide and providing higher order aberration correction is described. The multi-functional DOE may be positioned on, connected to, adjacent to, or within a waveguide, and in some examples is positioned at, or near, the exit pupil of the projector lens. In an example, a head-mounted display (HMD) is configured to output artificial reality content, comprising a waveguide configured to receive input light and configured to output the received input light to an eyebox. The HMD further comprises a projector configured to input light into the waveguide, the projector comprising a display, a projection lens, and a multi-functional diffractive optical element (DOE) configured to redirect light from the projector into the waveguide and provide higher order aberration correction of the light from the display.Type: GrantFiled: February 25, 2020Date of Patent: June 13, 2023Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Tamer Mohamed Tawfik Ahmed Mohamed Elazhary, Michael Patrick Schaub, Byron Taylor
-
Patent number: 11675170Abstract: An optical photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being convex in a paraxial region thereof, wherein an object-side surface and the image-side surface of the fifth lens element are both aspheric. The sixth lens element with refractive power has an object-side surface and an image-side surface being both aspheric. The optical photographing lens assembly has a total of six lens elements with refractive power.Type: GrantFiled: June 9, 2022Date of Patent: June 13, 2023Assignee: LARGAN PRECISION CO., LTD.Inventor: Wei-Yu Chen
-
Patent number: 11675218Abstract: A pair of spectacles having bio-sensors for detecting signals in contact with a user's head includes a front frame for lenses and a nose support device which is provided on the frame, the nose support device includes a mount made of an electrically non-conductive material and which can be removably connected to the frame, the mount having first and second nose support elements thereon, and which incorporate first and second nose sensors, formed from an electrically conductive material, capable of surface contact with corresponding laterally opposite zones of the nose. Each of the nose support elements is mounted on a respective support connected to the mount by a respective screw type element of a conductive material capable of electrical contact with the support, and each screw type element is capable of electrical contact with an electric circuit in the frame, the circuit being interposed between the frame and the mount.Type: GrantFiled: October 24, 2018Date of Patent: June 13, 2023Assignee: SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.P.A.Inventors: Nicola Belli, Giorgio Manera, Cristian Donà, Alessandro Sanfelici