Glare Or Unwanted Light Reduction Patents (Class 359/601)
  • Patent number: 11222870
    Abstract: A semiconductor device package includes a first substrate and a second substrate arranged above the first substrate. A first connector is disposed on the first substrate, and a first conductor passes through the second substrate and connects to the first connector.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: January 11, 2022
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Wen-Long Lu, Min Lung Huang
  • Patent number: 11195321
    Abstract: An information processing apparatus includes a first detection unit configured to detect a first object located on a first direction side of a refracting surface from an image obtained by an imaging apparatus located on the first direction side, a second detection unit configured to detect a second object located on a second direction side of the refracting surface from an image obtained by an imaging apparatus located on the second direction side, an obtaining unit configured to obtain position information indicating at least either one of a positional relationship between the first and second objects and positions of the first and second objects, and an identification unit configured to identify positions of the plurality of imaging apparatuses in a common coordinate system, based on a result of detection performed by the first detection unit, a result of detection performed by the second detection unit, and the position information.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 7, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takuto Kawahara
  • Patent number: 11187868
    Abstract: A lens assembly includes a lens barrel, a lens group, a gasket, and a light shielding group. The lens group includes a number of lenses. The light shielding group includes a number of shielding sheets defining a through hole. The gasket is located between two lenses on a light exiting side of the lens assembly. An inner portion of the gasket defines an inner hole for transmitting light. An aperture of the inner hole increases from an object side of the lens assembly to an image side of the lens assembly. An aperture D1 of the through hole adjacent to the gasket and adjacent to the object side, an aperture D2 of the inner hole adjacent to the object side, and an aperture D3 of the through hole adjacent to the gasket and adjacent to the image side satisfy a relationship 0.65<D1/D2<0.85; and D3?D2.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: November 30, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ya-Lan Feng, Chun-Cheng Ko
  • Patent number: 11187833
    Abstract: An annular optical element having an optical axis includes an outer diameter surface, an inner annular surface, an object-side surface and an image-side surface. The object-side surface includes an annular reflecting surface, an annular auxiliary surface and a connecting surface. The annular reflecting surface is inclined with the optical axis. The annular auxiliary surface is closer to the optical axis than the annular reflecting surface is to the optical axis. The connecting surface is for connecting to an optical element, wherein the connecting surface is closer to the optical axis than the annular auxiliary surface is to the optical axis. The image-side surface is located opposite to the object-side surface and includes an annular optical surface. A V-shaped groove is formed by the annular auxiliary surface and the annular reflecting surface of the object-side surface.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: November 30, 2021
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Shun Chang, Cheng-Feng Lin, Ming-Ta Chou
  • Patent number: 11147349
    Abstract: A mobile device case with deployable privacy screens has a plurality of deployable privacy screens connected to the lateral wall of a mobile device case. The plurality of privacy screen member is connected to the lateral wall by a connecting member, which may serve as an elastic hinge or spring which keeps the privacy screen member in a deployed position, perpendicular to the display screen of the mobile device in order to block bystanders from viewing any personal information which may be displayed on the screen. The privacy screen members may be folded into a stored position, wherein a first attachment portion connected to the privacy screen member may be removably attached to a second attachment portion connected to a back of the mobile device case.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: October 19, 2021
    Inventor: Sang-Ho Moon
  • Patent number: 11143798
    Abstract: The present disclosure provides a dual-molded circular optical element including an outer plastic peripheral portion and an inner sheet portion. The outer plastic peripheral portion locates at an outer annular surface of the circular optical element. The inner sheet portion is enclosed in the outer plastic peripheral portion, and the inner sheet portion forms a minimal central opening of the circular optical element. Two sides of the outer plastic peripheral portion are disposed with a flat plane, and each of the flat planes is perpendicular to a central axis of the circular optical element.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: October 12, 2021
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin
  • Patent number: 11137566
    Abstract: The present disclosure provides a lens module comprising a lens barrel, a lens received in the lens barrel, and a pressure ring configured for fixedly holding the lens in the lens barrel, wherein, the lens barrel comprises a primary barrel wall and a secondary barrel wall extending from a end of the primary barrel wall to an optical axis and forming a light through hole, wherein, the primary barrel wall comprises a first annular groove disposed on an inner wall adjacent to the lens, the lens fits with the first annular groove to form a pressure ring position, and the pressure ring is partly received in the pressure ring position. Compared with related art, the lens module provided by the present disclosure has higher reliability.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 5, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Chuandong Wei
  • Patent number: 11124657
    Abstract: A transparent laminate including a transparent substrate and structure layer, wherein the structure layer contains protrusion portions, depression portions, or both on a surface thereof, and an average distance between the adjacent protrusion portions or between the adjacent depression portions is equal to or less than a visible light wavelength, the structure layer includes a polymerized product of an active energy ray curable resin composition, the resin composition includes a composition of a (meth)acryloyl group-containing polymerizable compound, the compound composition includes one or more from each of (A), (B), and (C): (A) a monofunctional (meth)acryloyl group-containing polymerizable compound; (B) alkylene glycol di(meth)acrylate; and (C) trifunctional or higher (meth)acrylate, the (A) satisfies certain conditions specifying a type and amount of a compound, and a ratio (E?150/E?50) of storage elastic modulus E?150 of the structure layer at 150° C. to storage elastic modulus E?50 thereof at 50° C.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: September 21, 2021
    Assignee: Dexerials Corporation
    Inventors: Eiji Ohta, Masayasu Kakinuma, Masaki Takenouchi, Satoshi Kawamura, Kiyoaki Tanifuji, Emi Yoshida, Kimitaka Nishimura, Shunichi Kajiya, Shigehisa Ohkawara, Maki Ogawa
  • Patent number: 11126029
    Abstract: Provided is an optical member. The optical member includes a color filter member including quantum dots and a low-refractive index layer below the color filter member and including a first hollow particle and a second hollow particle. The first hollow particle may have a particle size different from a particle size of the second hollow particle.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: September 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-soo Jung, Younggu Kim, Taekjoon Lee, Jongmin Ok, Sun-young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
  • Patent number: 11099447
    Abstract: A switchable privacy display apparatus comprises a spatial light modulator, a light control film, and a polar control retarder that comprises plural retarders arranged between a display polariser of the spatial light modulator and an additional polariser. The display achieves high image visibility to an off-axis user in a public mode of operation and high image security to an off-axis snooper in privacy mode of operation.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: August 24, 2021
    Assignee: RealD Spark, LLC
    Inventors: Graham J. Woodgate, Michael G. Robinson, Jonathan Harrold, Robert A Ramsey, Ben Ihas
  • Patent number: 11099302
    Abstract: Lens coatings and coated lenses which offer full-spectrum protection by reducing back-side reflection of all light spanning from the ultraviolet sub-band B (UVB) to infrared (IR-A) region are provided. The full-spectrum back-side anti-reflective coatings disclosed herein are comprised of multiple thin-film layers of high refractive index (HighIndex) and low refractive index (LowIndex) materials. In many embodiments, the penultimate layer distal from the substrate lens is a HighIndex layer, and the final layer distal from the substrate lens is a LowIndex layer.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: August 24, 2021
    Assignee: I-Coat Company, LLC
    Inventors: Hamlet Joe Avetisian, Sr., Timothy George Stephan, Arman Bernardi
  • Patent number: 11086211
    Abstract: Masks and methods of forming the same are disclosed. The mask includes a substrate, a phase shift layer, a shading layer and a passivation layer. The phase shift layer is disposed over the substrate. The shading layer is disposed over the phase shift layer. The passivation layer is disposed over and in physical contact with the shading layer.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: August 10, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih-Hao Yang, Chih-Chiang Tu, Chun-Lang Chen
  • Patent number: 11041338
    Abstract: Systems and methods for transparent materials implementing effectively transparent conductors in accordance with various embodiments of the invention are illustrated. One embodiment includes a window including a first transparent layer of transparent material having a first surface and a second surface, a first plurality of triangular conductors in optical communication with the first transparent layer of glass, wherein each of the first plurality of triangular conductors includes a base side that is parallel to the first surface of the first transparent layer of glass and wherein the first plurality of triangular conductors is configured to redirect a portion of incident light, wherein the portion of incident light travels through both the first surface and the second surface of the first transparent layer of glass.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: June 22, 2021
    Assignee: California Institute of Technology
    Inventors: Rebecca Saive, Harry A. Atwater, Thomas C. R. Russell, Michael D. Kelzenberg, Lucas J. Myers
  • Patent number: 11036314
    Abstract: A cover member for an input device is disposed on a front-surface side of a display device in the input device includes recesses and protrusions on at least one principal surface. In the principal surface having recesses and protrusions, when a cutoff value for a high-pass filter ?c is set to 1.6 times the pitch of the recesses and protrusions of a measured cross-sectional curve and a cutoff value for a low-pass filter ?s is set to 25 ?m, the maximum roughness height Rz of the recesses and protrusions is 3-1000 nm and the pitch RSm of the recesses and protrusions is 50-1000 ?m, and when the cutoff value of the high-pass filter ?c is set to 25 ?m, the three-dimensional arithmetic mean height Sa of the recesses and protrusions is 1-50 nm and the pitch RSm of the recesses and protrusions is 0.01-10 ?m.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: June 15, 2021
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Naoki Fujita, Shinsaku Nishida
  • Patent number: 11036073
    Abstract: An optical member, a polarization member, and a display device are provided. The optical member includes a substrate, and a functional layer provided on the substrate, the functional layer including a high refractive layer and a low refractive layer, wherein the high refractive layer has a higher refractive index than that of the substrate and a diffraction grating structure, and the low refractive layer has a lower refractive index than that of the high refractive layer, wherein an interface between the substrate and the high refractive layer and an interface between the high refractive layer and the low refractive layer are in states in which components of the respective layers with the respective interfaces therebetween are compatible with each other.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tomomichi Kanda, Yoshihiro Yokote, Osamu Konuma, Katsutoshi Sasaki
  • Patent number: 11016221
    Abstract: An annular optical component includes an inner surface, an outer surface, an object-side surface and an image-side surface. The inner surface includes a molded anti-reflective layer structure surrounding a central axis of the annular optical component. The molded anti-reflective layer structure defines a central aperture. The outer surface includes a frame structure surrounding at least a part of the molded anti-reflective layer structure. A hardness of the frame structure is larger than a hardness of the molded anti-reflective layer structure. The object-side surface and the image-side surface respectively face toward an object side and an image side of the annular optical component. The molded anti-reflective layer structure is joined with the frame structure. The molded anti-reflective layer structure includes a tapered portion adjacent to the central aperture, and the tapered portion tapers off along a direction from the outer surface toward the inner surface.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: May 25, 2021
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Ruei-Yang Luo
  • Patent number: 11016335
    Abstract: A flexible display device includes a display panel configured to display an image, and a polarizing plate on the display panel. The flexible display device includes a folding area and a non-folding area. A first thickness of the polarizing plate in the folding area is greater than a second thickness of the polarizing plate in the non-folding area.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: May 25, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Won-Jong Cho, Won-Ki Park
  • Patent number: 10996377
    Abstract: The method for producing an optical member of the present invention includes: a step (1) of applying a lower layer resin and an upper layer resin; a step (2) of pressing a die against the lower layer resin and the upper layer resin from the upper layer resin side, so as to form a resin layer including an uneven structure on a surface thereof; and a step (3) of curing the resin layer to form the polymer layer, wherein the lower layer resin contains an amide group, the lower layer resin has an amide group concentration of 1.5 mmol/g or more and less than 5 mmol/g, and the polymer layer has a minimum storage modulus E? of 1×108 Pa or higher and 1×109 Pa or lower at a bottom temperature of 110° C. or higher and 210° C. or lower.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 4, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Shibai, Ken Atsumo, Hidekazu Hayashi
  • Patent number: 10989682
    Abstract: In a method for capturing a condition of a surface of a road on which a vehicle is travelling, wherein at least one signal produced as a result of moisture thrown up from the road is captured by means of at least one sensor apparatus arranged on the vehicle, wherein the sensor apparatus includes at least one sensor device, and wherein the captured signal is evaluated by means of at least one evaluation device attached to the vehicle, it is provided as essential to the invention that at least one physical parameter of the thrown up moisture is captured by at least one sensor device, and that a conclusion is reached regarding the salt content of the moisture which reaches the sensor apparatus on the basis of at least one captured physical parameter, and a conclusion is reached regarding the condition of the road based on the salt content.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 27, 2021
    Assignee: HELLA GMBH & CO. KGAA
    Inventors: Bastian Kanning, Hauke Baumgaertel, Anatoli Bystrow, Julien Bungalski
  • Patent number: 10976475
    Abstract: The antifouling film includes a substrate, and a polymer layer disposed on a surface of the substrate and including on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light. The polymer layer is a cured product of a polymerizable composition, the polymerizable composition containing, in terms of active constituents, 15 to 40 wt % of an urethane acrylate containing six or more functional groups, 35 to 60 wt % of a multifunctional acrylate containing four or more functional groups and 3 to 15 ethylene oxide groups for each functional group, 15 to 30 wt % of a monofunctional acrylate with no ethylene oxide group, 0.5 to 10 wt % of a fluorine release agent containing a perfluoropolyether group and having a fluorine atom concentration of 50 wt % or lower, and 0.5 to 5 wt % of a polymerization initiator.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: April 13, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Shibai, Ken Atsumo, Kenichiro Nakamatsu
  • Patent number: 10963010
    Abstract: A foldable light shade and privacy shade visor for electronic device screens, particularly for use on laptops, electronic tablets and devices. The light and privacy shade is constructed of three semi-rigid panels with four molded plastic and rubber clips integrated into its surface. The areas between the three panels form flexible hinges allowing the light and privacy shade to fold open when in use and fold flat for carrying. The integrated plastic and rubber clips are used to attach the visor to the edges of the device screen securely. The light and privacy shade allows the electronic device to be used in direct sunlight, artificial light and ambient light by preventing light rays and glare from diminishing the view of the screen, while also preventing the device from overheating in the warmth generated by intense light, and providing privacy by shielding the contents of the screen from the view of third parties.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: March 30, 2021
    Inventor: Alexander Benedict Griffin
  • Patent number: 10950646
    Abstract: The present disclosure relates to a solid-state imaging device capable of further decreasing reflectivity, a method of manufacturing the same, and an electronic device. The solid-state imaging device includes a semiconductor substrate on which a photoelectric converting unit is formed for each of a plurality of pixels, and an antireflection structure provided on a light incident surface side from which light is incident on the semiconductor substrate in which a plurality of types of projections of different heights is formed. The antireflection structure is formed by performing processing of digging a light incident surface of the semiconductor substrate in a plurality of stages with different processing conditions. The antireflection structure is the structure in which a second projection lower than a first projection is formed between the first projections of predetermined height. The present technology may be applied to a CMOS image sensor, for example.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: March 16, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Naoyuki Sato
  • Patent number: 10948734
    Abstract: A light control film includes a plurality of spaced apart substantially parallel first light absorbing regions arranged along a first direction, each first light absorbing region having a width and a height, the plurality of first light absorbing regions including nonoverlapping first and second sub-pluralities of the plurality of first light absorbing regions, the first sub-plurality of the plurality of first light absorbing regions having a first viewing angle, the second sub-plurality of the plurality of first light absorbing regions having a different second viewing angle.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: March 16, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Andrew J. Ouderkirk, Michael J. Sykora, Robert R. Kieschke, Kenneth L. Smith, Olester Benson, Jr., Gary E. Gaides, Tao Liu, Thomas J. Blong, Gary T. Boyd
  • Patent number: 10935832
    Abstract: An optical film including a first layer and a second layer disposed on the first layer and attached to the first layer is provided. The first layer has a plurality of micro-structures respectively extending along a first direction and arranged side by side at an interval. The micro-structures protrude toward the second layer. A first pitch exists between each micro-structure and an adjacent micro-structure in a side-by-side arrangement direction. The first pitch is greater than 10 times a wavelength of an incident light. Moreover, a display device including the foregoing optical film is also provided.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: March 2, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Kun-Cheng Tien, Meng-Lin Tsai, Yu-Hsuan Hung, Wei-Cheng Wong, Chin-An Lin
  • Patent number: 10928563
    Abstract: A microstructured diffuser is described comprising a light transmissive film comprising a first microstructured surface comprising a plurality of peaks and valleys. A coating is disposed on the first microstructured surface. The coating partially fills the valleys forming a second microstructured surface.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: February 23, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Nathaniel K. Naismith, William F. Edmonds, Jason S. Petaja, Brandt K. Carter, Jeffrey L. Solomon, Sara S. Merritt, Tri D. Pham
  • Patent number: 10928560
    Abstract: An imaging lens assembly includes a dual molded optical element, a plurality of imaging lens elements and a light blocking element. The dual molded optical element has an object-side surface and an image-side surface and includes a light transmitting portion and a light absorbing portion. The light transmitting portion includes an optical effective section. The light absorbing portion is located on at least one of the object-side surface and the image-side surface of the dual molded optical element, and a plastic material of the light absorbing portion and a plastic material of the light transmitting portion are different colors. The imaging lens elements are disposed in the inner space of the imaging lens assembly. The light blocking element is disposed adjacent to the light transmitting portion of the dual molded optical element.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: February 23, 2021
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Ming-Ta Chou
  • Patent number: 10921496
    Abstract: An optical image lens assembly includes a plurality of optical lens elements. The optical lens elements include a plurality of plastic optical lens elements having refractive power and aspheric surfaces. The plastic optical lens elements are formed by an injection molding method and include at least one defined-wavelength light absorbing optical lens element, and the defined-wavelength light absorbing optical lens element includes at least one defined-wavelength light absorbent.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: February 16, 2021
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Yeo-Chih Huang, Pei-Chi Chang, Chun-Hung Teng
  • Patent number: 10921507
    Abstract: A luminance equalization region is formed on one surface of an optical sheet incorporated into a liquid crystal display device to equalize luminance of a visible region of the liquid crystal display device. The luminance equalization region is in at least the visible region in a state in which the optical sheet is incorporated into the liquid crystal display device. The luminance equalization region in the visible region has a colored portion and a light-transmitting portion that surrounds the colored portion. The distance from an end of a display surface of the liquid crystal display device to an end of the visible region is 10 mm or less.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: February 16, 2021
    Assignee: KEIWA Inc.
    Inventor: Satoshi Shiba
  • Patent number: 10923683
    Abstract: The embodiments of the present disclosure propose a substrate, a method for manufacturing the same, and a display device comprising the substrate. The substrate comprises a supporting base; and a light scattering layer disposed such that a projected region of the light scattering layer on the supporting base is located in a light transmission formation region of the supporting base, and the light scattering layer has a light scattering structure configured to scatter incident light.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: February 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiangxiang Zou, Wei Qin, Kuanjun Peng, Xiaolong Li
  • Patent number: 10908319
    Abstract: Provided are an antireflection film having a high antireflection effect in a broad band, including, on a substrate, in this order: a particle layer containing particles; and a layer having a textured structure containing aluminum oxide as a main component, in which the particle layer has an aluminum oxide textured structure between the particles, and an optical member and an optical apparatus each using the antireflection film.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: February 2, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masanobu Ogane
  • Patent number: 10908322
    Abstract: The claimed invention provides an antistatic hard coat film that is extremely excellent in white muddiness resistance and antistatic properties and sufficiently prevents an interference fringe pattern. The claimed invention provides an antistatic hard coat film including a triacetyl cellulose substrate and a hard coat layer formed on the triacetyl cellulose substrate, the hard coat layer including an antistatic agent, a (meth)acrylate resin, and a polymer of a (meth)acrylate monomer, the triacetyl cellulose substrate including a permeation layer formed by permeation of the (meth)acrylate monomer from the hard coat layer side of the interface toward the opposite side of the hard coat layer, the antistatic hard coat film satisfying Formulas (1), (2), and (3): 3 ?m?T?18 ?m??Formula (1) 0.3T?t?0.9T??Formula (2) 2 ?m?T?t?11 ?m??Formula (3) where T denotes the total thickness (?m) of the permeation layer and the hard coat layer, and t denotes the thickness (?m) of the permeation layer.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: February 2, 2021
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Mayu Youki, Tomoyuki Horio, Yoshihiro Nishimura, Mariko Hayashi, Yuya Inomata, Hiroshi Nakamura
  • Patent number: 10901120
    Abstract: A transparent antireflective lamination film including: a first film composed of a first material having a first refractive index; a second film having a refractive index lower than the first film laminated on the first film, including a pattern composed of a second material having a second refractive index lower than the first refractive index formed in a film composed of the first material; and at least one layer of film laminated on the second film, at least one layer of film including: a film including the pattern composed of the second material having larger area than in the second film, and/or a film including a pattern composed of a material having a refractive index lower than the second refractive index, wherein the refractive index of each film is decreasing toward the upper side from the first film in the antireflective lamination film.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: January 26, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Jun Hatakeyama
  • Patent number: 10895667
    Abstract: The present invention relates to an antireflection film which exhibits one extremum at a thickness of 35 nm to 55 nm from the surface and exhibiting one extremum at a thickness of 85 nm to 105 nm from the surface in a graph showing the result of Fourier transform analysis for the result of X-ray reflectivity measurement using Cu—K-alpha rays.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: January 19, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jin Seok Byun, Ja Pil Koo, Boo Kyung Kim, Seok Hoon Jang, Yeong Rae Chang
  • Patent number: 10866435
    Abstract: An optical film for eyewear includes a first light control layer, at least one light reflection layer, a second light control layer, and a linear polarization element layer in this order from an outer side with respect to a viewer. The light reflection layer includes a cholesteric liquid crystal layer that reflects left-handed circularly polarized light or right-handed circularly polarized light in a visible light range, and the first light control layer and the second light control layer are each a quarter wave plate.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: December 15, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Yoshiyuki Yahagi, Kouichi Tanaka, Saki Abe, Yuki Aikawa
  • Patent number: 10852455
    Abstract: A laminate of optical elements comprises a transparent first optical element, a second optical element, and a transparent pressure-sensitive adhesive layer for bonding the first optical element to the second optical element. The pressure-sensitive adhesive layer comprises a base adhesive zone, a transparent refractive index-adjusting zone. The base adhesive zone is made essentially of a transparent base pressure-sensitive adhesive material and formed over a given range from a first principal surface of the pressure-sensitive adhesive layer facing the first optical element, in a thickness direction of the pressure-sensitive adhesive layer. The a transparent, adherent, refractive index-adjusting zone is formed over a given range from a second principal surface of the pressure-sensitive adhesive layer facing the second optical element.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: December 1, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Toru Umemoto, Hirofumi Katami, Hiroyuki Takao, Takahiro Nonaka, Atsushi Yasui, Takami Hikita
  • Patent number: 10856057
    Abstract: Methods and devices for manipulating optical signals. In one example, a LCOS (liquid crystal on silicon) device includes a surface bearing an anti-reflection structure. The anti-reflection structure includes i) a physical surface having a topography with features having lateral dimensions of less than 2000 nm and having an average refraction index which decreases with distance away from the surface; and ii) a configuration of the topography, averaged over lateral dimensions of greater than 2000 nm, varies with lateral position on the surface.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: December 1, 2020
    Assignee: Cambridge Enterprise Limited
    Inventors: Daping Chu, Brian Robertson
  • Patent number: 10845507
    Abstract: A light blocking sheet having a central axis includes a central hole and a plurality of inner extended portions. The central axis passes through the central hole, which is enclosed by a hole inner surface. The hole inner surface has a first corresponding circle and a second corresponding circle, wherein a diameter of the first corresponding circle is greater than a diameter of the second corresponding circle. The inner extended portions are adjacent to and surround the central hole, wherein each of the inner extended portions is extended and tapered from the first corresponding circle towards the second corresponding circle and includes an inner surface, and the inner surface includes a line pair. The line pair includes two line sections, wherein one end of one line section thereof and one end of the other line section thereof are towards the second corresponding circle and approach to each other.
    Type: Grant
    Filed: January 19, 2019
    Date of Patent: November 24, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Ming-Shun Chang, Chih-Wen Hsu
  • Patent number: 10795256
    Abstract: The present disclosure provides an optical compensation film, a photomask, and an exposure apparatus. The optical compensation film includes a first region of the optical compensation film and a second region of the optical compensation film. The first region of the optical compensation film is positioned to correspond to an overlapping portion of the prisms, and is configured to allow light to pass therethrough and impinge on the overlapping portion of the prisms. The second region of the optical compensation film is positioned to correspond to a non-overlapping portion of the prisms, and is configured to allow light to pass therethrough and impinge on the non-overlapping portion of the prisms. Light transmittance of the first region of the optical compensation film is greater than light transmittance of the second region of the optical compensation film.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: October 6, 2020
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Xing Xiong
  • Patent number: 10739921
    Abstract: A transparent conductive film includes a substrate having opposed first and second surfaces; a first optical adjustment layer formed on the first surface; a first transparent conductive layer formed on the first optical adjustment layer; a first metal layer formed on the first transparent conductive layer; a second optical adjustment layer formed on the second surface; a second transparent conductive layer formed on the second optical adjustment layer; and a second metal layer formed on the second transparent conductive layer. At least one of the first optical adjustment layer and the second optical adjustment layer comprises a plurality of particles therein, such that a plurality of protrusions corresponding to the plurality of particles are formed on a surface of at least one of the first metal layer and the second metal layer.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: August 11, 2020
    Assignee: NANCHANG O-FILM DISPLAY TECHNOLOGY CO., LTD
    Inventors: Hongyan Chen, Rongzhi Gu, Weiting Huang, Xiaowei Hou
  • Patent number: 10739500
    Abstract: A shading component includes a base including a top surface near an object side, a bottom surface near an image side, an inner ring surface and an outer ring surface connecting the top surface and bottom surface; and a shading piece assembled with the base. The inner ring surface is formed with a groove depressing towards the outer ring surface, and at least a part of the shading piece is received in the groove. The present disclosure further provides a lens module using the shading component mentioned above.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: August 11, 2020
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Chuandong Wei
  • Patent number: 10739499
    Abstract: A display apparatus is disclosed. The display apparatus includes a display including an active area for displaying an image and a black matrix adjacent to the active area, and an optical sheet attached onto the display. The optical sheet includes a Fresnel pattern formed on the black matrix and a portion of the active area. The Fresnel pattern includes a plurality of peaks and a plurality of valleys, which are formed such that depths between the peaks and the valleys gradually increase from the active area to the black matrix. Therefore, it is possible to view an image in front of the black matrix, on which an image is not actually displayed.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: August 11, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Chansung Jeong, Sangtae Park, Myeongwook Bae, Dongjin Yoon, Munseok Jang
  • Patent number: 10698199
    Abstract: An annular optical element includes an outer annular surface, an inner annular surface, a first side surface, a second side surface and a plurality of strip-shaped wedge structures. The outer annular surface surrounds a central axis of the annular optical element and includes at least two shrunk portions. The first side surface connects the outer annular surface and the inner annular surface. The second side surface connects the outer annular surface and the inner annular surface, wherein the second side surface is disposed correspondingly to the first side surface. The strip-shaped wedge structures are disposed on the inner annular surface, wherein each of the strip-shaped wedge structures is disposed along a direction from the first side surface towards the second side surface and includes an acute end and a tapered portion connecting the inner annular surface and the acute end.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: June 30, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Feng Lin, Wei-Hung Weng, Ming-Ta Chou
  • Patent number: 10698172
    Abstract: An imaging module includes: an object lens; an image-sensing device; a holder that holds the object lens and the image-sensing device, the holder having a butt-contact portion with which the object lens is able to be brought into contact from an object side; and an aperture stop arranged closer to the object than the butt-contact portion, wherein an area that is to be light-shielded by an outer-periphery of the aperture stop is larger than an internal diameter of the butt-contact portion.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 30, 2020
    Assignees: FUJIKURA LTD., SEIKOH GIKEN CO., LTD.
    Inventors: Takao Sato, Takahiro Shimono, Tomomi Hirao, Ryo Iijima, Ryosuke Niwaki
  • Patent number: 10690810
    Abstract: The present invention relates to an antireflection film comprising a hard coating layer in which a ten-point average roughness (Rz) of the surface irregularities is 0.05 ?m to 0.2 ?m and an internal haze is 0.5% to 5%; and a low refractive index layer formed on the hard coating layer, and a display device comprising the antireflection film.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: June 23, 2020
    Assignee: LG CHEM LTD.
    Inventors: Yeong Rae Chang, Jae Hoon Shim, Jung Hyun Seo, Jin Young Park, Soo Kyoung Lee, Jae Pil Koo, Tae Soon Kim, Min Soo Kim, Kyung Ki Hong, Joo Jong Moon, Hye Min Lee
  • Patent number: 10689523
    Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein a roughness kurtosis (Rku) of the concavo-convex shape of the surface is greater than 3.5 and less than 6, a Swedish height (H) of the concavo-convex shape of the surface is greater than 20 nm and less than 200 nm, and the light transmittance in a wavelength region of 380 nm to 780 nm is 94% or more, and a display device comprising the antireflection film.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: June 23, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyun Seo, Boo Kyung Kim, Yeong Rae Chang, Seok Hoon Jang
  • Patent number: 10663623
    Abstract: Disclosed herein is an anti-reflective film comprising: a hard coating layer; and a low-refractive layer containing a binder resin and hollow inorganic nanoparticles and solid inorganic nanoparticles which are dispersed in the binder resin, wherein a ratio of an average particle diameter of the solid inorganic nanoparticles to an average particle diameter of the hollow inorganic nanoparticles is 0.26 to 0.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: May 26, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jin Seok Byun, Jae Young Kim, Yeong Rae Chang, Boo Kyung Kim, Seok Hoon Jang
  • Patent number: 10653560
    Abstract: A transparent laminate including: transparent substrate; and structure layer which contains protrusion portions, depression portions, or both on a surface thereof, average distance between the protrusion portions adjacent or the depression portions adjacent being equal to or less than wavelength of visible light; the structure layer including polymerized product of active-energy-ray-curable resin composition including composition of (meth)acrylate-based-polymerizable compound; the composition including at least any of the following (A) and (B), and the following (C) and (D): (A) ester (meth)acrylate of trihydric alcohol having main and side chain each including alkyl chain; (B) ester di(meth)acrylate of ethylene-oxide-modified bisphenol A; (C) polyalkylene glycol di(meth)acrylate; and (D) ester di(meth)acrylate of dihydric alcohol having main chain including linear alkyl chain; water contact angle on the surface of the structure layer being 26° or more and 74° or less; and storage elastic modulus at 180° C.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: May 19, 2020
    Assignee: DEXERIALS CORPORATION
    Inventors: Masayasu Kakinuma, Masaki Takenouchi, Eiji Ohta, Satoshi Kawamura, Maki Ogawa
  • Patent number: 10656392
    Abstract: A photographing module includes an imaging lens assembly. The imaging lens assembly includes a plurality of lens elements, wherein one of the lens elements is a plastic lens element. At least one surface of an object-side surface and an image-side surface of the plastic lens element includes an effective optical portion and a peripheral portion. The peripheral portion surrounds the effective optical portion, and includes a plurality of rib structures, a first fitting section and an isolation section. Each of the rib structures has a strip shape along a radial direction of an optical axis of the imaging lens assembly, and the rib structures are arranged around the effective optical portion. The first fitting section surrounds the effective optical portion, and is connected to another one of the lens elements adjacent to the surface. The isolation section is disposed between the rib structures and the first fitting section.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 19, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Ming-Ta Chou
  • Patent number: 10634975
    Abstract: A finder optical system is achieved in which object images can be more easily observed. A finder optical system includes an image-erecting member, which erects an object image formed by an objective optical system, provided on an optical path from the object side toward an eyepiece side, wherein the image-erecting member is formed as a penta roof prism provided with a first reflection surface and a second reflection surface, which define a roof reflection surface that reflects an incident light bundle emanated from the object, and the first reflection surface and the second reflection surface are configured as total-reflection surfaces that totally reflect the light bundle including the object image.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: April 28, 2020
    Assignee: RICOH IMAGING COMPANY, LTD.
    Inventor: Minoru Murayama
  • Patent number: 10625580
    Abstract: A system such as a vehicle may have adjustable structures such as adjustable windows. Adjustable windows may have adjustable layers such as adjustable tint layers, adjustable reflectivity layers, and adjustable haze layers. Adjustable window layers may be incorporated into a window with one or more transparent structural layers such as a pair of glass window layers. Adjustable components such as adjustable reflectivity layers, adjustable haze layers, and adjustable tint layers may be interposed between the pair of glass window layers. Fixed partially reflective mirrors, fixed tint layers, and/or fixed haze layers may be used in place of adjustable tint, haze, and reflectivity layers and/or may be incorporated into windows in addition to adjustable tint, haze, and reflectivity layers.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: April 21, 2020
    Assignee: Apple Inc.
    Inventors: Christopher D. Jones, Ibuki Kamei, James R. Wilson, Clarisse Mazuir, John Raff, Budhadipta Dan, David E. Kingman, Martin Melcher