Patents Examined by David N. Spector
  • Patent number: 8854717
    Abstract: An electrowetting display apparatus includes a first base substrate, a second base substrate which faces the first base substrate, a first electrode on the first base substrate, and a second electrode on the second base substrate, where the second electrode faces the first electrode. A barrier wall is on the first electrode, where the barrier wall defines a storage area. A surface of the first electrode and the barrier wall is overlapped by a barrier layer. In addition, a water-repellent layer is on the barrier layer which is in the storage area. First and second fluids are in the storage area, the first fluid is separate from the second fluid, and the first fluid or the second fluid has a polarity.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: October 7, 2014
    Assignee: Liquavista B.V.
    Inventors: DongHwan Kim, Sangil Kim, Taewoon Cha, Myunghwan Kim, Woo Yong Woo Yong, Jeongho Lee, HyoungWook Lee, Hyeon Gu Cho
  • Patent number: 8842374
    Abstract: Provided is a small-sized five-element image pickup lens which ensures a sufficient lens speed of about F2 and exhibits various aberrations being excellently corrected. The image pickup lens is composed of, in order from the object side, a first lens with a positive refractive power, including a convex surface facing the object side; a second lens with a negative refractive power, including a concave surface facing the image side; a third lens with a positive or negative refractive power; a fourth lens with a positive refractive power, including a convex surface facing the image side; and a fifth lens with a negative refractive power, including a concave surface facing the image side. The image-side surface of the fifth lens has an aspheric shape, and includes an inflection point at a position excluding an intersection point with the optical axis.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: September 23, 2014
    Assignee: Konica Minolta Opto, Inc.
    Inventors: Eigo Sano, Yuichi Ozaki
  • Patent number: 8837054
    Abstract: A liquid lens includes a sealed shell, a gaseous material, a transparent carbon nanotube structure within the gaseous material, a liquid material, and a first electrode and a second electrode, a voltage being applied to the carbon nanotube structure causes rapid heating, which is transferred to the gaseous material to change the pressure thereof.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: September 16, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jie Li, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 8830599
    Abstract: An image forming lens consists of from an object side to an image side in the following order: a first group with a positive refractive power; an aperture stop; and a second group with a positive refractive power, wherein the second group includes, from the object side to the image side in the following order, a biconvex lens, a biconcave lens, a negative meniscus lens a convex surface of which faces the image side, a biconvex lens, and a positive meniscus lens a convex surface of which faces the image side.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 9, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Takashi Kubota, Kazuyasu Ohashi
  • Patent number: 8830552
    Abstract: An optical modulation device includes: an optical modulator; an insulating layer; an RC circuit including a resistor and a capacitor connected in series; a bonding wire connected between the optical modulator and the RC circuit; a first metal layer provided on the insulating layer; and a second metal layer that has a width larger than that of the first metal layer and is provided on the insulating layer, the second metal layer being connected with a ground potential and being connected to the RC circuit via the first metal layer.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: September 9, 2014
    Assignee: Sumitomo Electric Device Innovations, Inc.
    Inventors: Masahiro Hirayama, Tsutomu Abe
  • Patent number: 8830600
    Abstract: A lens module with an optical axis passing therethrough from an object side to an image side includes a lens housing and two lenses disposed in the lens housing. The first lens has a first refactive portion and a first positioning portion encircling the first refractive portion. A first mating structure is formed on the image side surface of the first positioning portion and molded with the first refractive portion as a single integral. The second lens has a second refractive portion and a second positioning portion encircling the second refractive portion. A second mating structure is formed on the object side surface of the second positioning portion and molded with the second refractive portion as a single integral. The mating structures are engaged to align the lenses along the optical axis, and the refractive portions are coaxial with each other and have the axis as the optical axis.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: September 9, 2014
    Assignee: Glory Science Co., Ltd.
    Inventors: Liang Yu Chang, Shih Ying Ke, Chih Kang Huang, Cheng Feng Yen
  • Patent number: 8817394
    Abstract: A method of manufacturing a lens module including following is provided. A first lens plate having a plurality of first lens sections, a second lens plate having a plurality of second lens sections and a third lens plate having a plurality of third lens sections are provided. The first lens sections of the first lens plate are separated to form a plurality of first lens units. The second and third lens plates are connected. A relative position between each of the first lens units and one of the second lens sections corresponding to the first lens unit is adjusted. Each of the first lens units and the second lens section corresponding to the first lens unit are connected. The second and third lens sections are separated to form a plurality of second lens units and a plurality of third lens units connected to the second lens units.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: August 26, 2014
    Assignee: Himax Technologies Limited
    Inventors: Yin-Dong Lu, Han-Yi Kuo
  • Patent number: 8817361
    Abstract: An electrophoretic particle includes a core particle and a coating layer covering at least one portion of the core particle. The coating layer contains a polymer and a silane coupling agent containing a nonionic charged group attached to the surface of the core particle. The polymer contains a silane coupling agent containing a polymerizable group attached to the surface of the core particle and a polymerization site formed by polymerizing a monomer using the polymerizable group as a starting point.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 26, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Hitoshi Yamamoto
  • Patent number: 8817372
    Abstract: A system and method for modulating and displaying optical effects includes a lighting device (BV) and at least one displaying object (DO) located outside the lighting device. The lighting device (BV) includes at least one input polarization unit (POE) for influencing polarization, in particular in a location-dependent manner, and at least one modulation unit (OME) for influencing polarization and/or retardance, in particular in a time-dependent and/or location-dependent manner. The displaying object (DO) includes at least one object retarder unit (POB) for influencing retardance, in particular in a location-dependent and/or time-dependent manner, the at least one object retarder unit being suitable for reversibly or irreversibly impressing a piece of image information, and an output polarization unit (PE).
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: August 26, 2014
    Assignee: Kommanditgesellschaft Synoptrix Lichttechnik GmbH & Co.
    Inventor: Horst Prehn
  • Patent number: 8817388
    Abstract: Provided is an imaging device for mobile devices such as a mobile phone, using a high resolution image sensor such as a charge coupled device (CCD) and a complementary metal oxide semiconductor (CMOS).
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Jo Kim, Moon Joon Kim, Hyun Woo Ji, Jeong Soon Kang, Beom Sik Kim, Jun Su Kim
  • Patent number: 8817390
    Abstract: An image pickup lens having a relatively wide angle of field with various aberrations preferably corrected and having a small F-value is achieved. The image pickup lens is composed of, in order from an object side, an aperture stop, a first lens of a biconvex shape having a refractive power, a second lens of a meniscus shape having a negative refractive power with a concave surface facing the object side near the optical axis, a third lens of a meniscus shape having a positive refractive power with a concave surface facing the object side near the optical axis, and a fourth lens of a biconcave shape having a negative refractive power near the optical axis, wherein the image pickup lens satisfies a following conditional expression (1): 0.6<f1/f<0.8??(1) where f1 represents a focal length of the first lens, and f represents a focal length of the overall image pickup lens.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 26, 2014
    Assignee: Kantatsu Co., Ltd.
    Inventor: Masaya Hashimoto
  • Patent number: 8810928
    Abstract: A collecting lens comprises a first surface and a second surface. Said first surface lens is defined as an opposite surface of said collecting lens from said second surface. Said second surface has a lens surface. Said lens surface includes a plurality of lens function surfaces. Each of said lens function surfaces is defined as part of a side surface of corresponding one of elliptical cones. A particular normal line which is arbitrarily selected from normal lines at respective points on said first surface and crosses one of said lens function surface is not parallel to a central axis of the elliptical cone corresponding to said lens function surface crossed by said particular normal line. Said central axes of the elliptical cones are not parallel to each other.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: August 19, 2014
    Assignee: Panasonic Corporation
    Inventors: Kana Oi, Takayuki Nishikawa
  • Patent number: 8810924
    Abstract: An image capturing lens which substantially consists of five lenses, composed of a first lens having a positive refractive power with the object side surface being formed in a convex shape toward the object side, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power with the object side surface being formed in a concave shape toward the object side, and a fifth lens having a negative refractive power with a region in which the negative refractive power is gradually reduced outwardly in a radial direction from the optical axis, arranged in this order from the object side, and satisfies predetermined conditional expressions.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: August 19, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Masato Kondo, Takayuki Noda
  • Patent number: 8810921
    Abstract: An image capturing lens system 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 and a fifth lens element. The first lens element has positive refractive power. The second lens element with positive refractive power has a convex object-side surface. The third lens element has negative refractive power. The fourth lens element with positive refractive power has a convex image-side surface. The fifth lens element with negative refractive power has a concave image-side surface, wherein both of an object-side surface and the image-side surface of the fifth lens element are aspheric, and at least one inflection point is formed on at least one of the object-side surface and the image-side surface of the fifth lens element. The image capturing lens system has a total of five lens elements with refractive power.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: August 19, 2014
    Assignee: Largan Precision Co., Ltd.
    Inventors: Tsung-Han Tsai, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 8810893
    Abstract: An electrowetting device includes a substrate having a first face, a charged adhesion layer immobilized on the first face of the substrate and a dielectric layer bound to the charged adhesion layer. An unbound ionic liquid phase contacts the dielectric layer.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: August 19, 2014
    Assignee: The University of Kentucky Research Foundation
    Inventors: Yuguang Cai, Xiaoning Zhang
  • Patent number: 8810917
    Abstract: A zoom lens includes, in order from the object side to the image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit including a lens. The distance between the first lens unit and the second lens unit is smaller at the telephoto end than at the wide angle end, and the distance between the second lens unit and the third lens unit changes during zooming from the wide angle end to the telephoto end. The first lens unit consists, in order from the object side, of a front sub lens unit having a negative refractive power, an optical path bending member, and a rear sub lens unit having a positive refractive power. The front sub lens unit includes a biconcave single lens, and the rear sub lens unit includes one or two single lenses.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: August 19, 2014
    Assignee: Olympus Imaging Corp.
    Inventors: Masato Katayose, Kenji Ono, Kazuhito Hayakawa
  • Patent number: 8797660
    Abstract: A mechanism and method for precisely arranging two or more optical elements, such as those incorporated into photoelastic modulators (PEMs), at a specific angular orientation. The method includes supporting one optical element in an annular mounting member that has an optic axis, and supporting other optical elements in other annular mounting members that have optic axes, and concentrically stacking together the two or more mounting members about a central axis in a manner such that one mounting member may be rotated relative to the others about the central axis and such that the optic axes of the mounting members define an optics angle, and rotating one mounting member relative to the others to define the specific angular orientation of the optical elements.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 5, 2014
    Assignee: Hinds Instruments, Inc.
    Inventors: James C. Mansfield, Hugh S. Runyan, Jacob A. Wolf
  • Patent number: 8797653
    Abstract: A curvature control device includes a first fluid that has a light transmitting property and a polar property; a second fluid that has a light transmitting property; a chamber that the first fluid and the second fluid are accommodated without being mixed with each other, wherein a boundary surface between the first fluid and the second fluid comprises a first surface that is a lens surface and a second surface that induces a change in a curvature of the first surface; a first intermediate plate that is disposed in the chamber, and includes a first through-hole that forms a diameter of a lens corresponding to the first surface and a second through-hole that forms a path of the second fluid; and an electrode portion configured to generate an electric field that changes a position of the second surface.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: August 5, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hyeon Chang, Seung-wan Lee, Woon-bae Kim, Min-seog Choi, Eun-sung Lee, Kyu-dong Jung
  • Patent number: 8797657
    Abstract: A zoom lens includes sequentially from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, an aperture stop, a third lens group having a positive refractive power, a fourth lens group having a positive refractive power, and fifth lens group. The zoom lens further satisfies given conditions.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: August 5, 2014
    Assignee: Tamron Co., Ltd.
    Inventor: Takahiro Mitsuhashi
  • Patent number: 8797647
    Abstract: A double-vision color filter structure comprises a glass substrate, a slit grating, a transparent thin layer and a pattern of pixels, wherein the slit grating is formed on the glass substrate, the transparent thin layer is arranged on the surface of the slit grating on the glass substrate to form a cell structure with the glass substrate, and the pattern of pixels are formed on the transparent thin layer in the cell structure and comprises odd sub-pixel columns and even sub-pixel columns.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: August 5, 2014
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Yanbing Wu