Diffusing Of Incident Light Patents (Class 359/599)
  • Image projector
    Patent number: 7866831
    Abstract: An image projector realizing image projection with high image quality by reducing speckle noise. An image projector comprising a coherent light source, a collimation lens for transforming coherent light emitted from the coherent light source into coherent parallel light, and a projection optical system for projecting coherent parallel light is further provided with a reflection element for reflecting the coherent parallel light and capable of oscillating in parallel with the direction normal to the reflection plane, and a reflection element drive means for causing oscillatory motion of the reflection element.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: January 11, 2011
    Assignee: Panasonic Corporation
    Inventors: Ken'ichi Kasazumi, Yoshikazu Hori
  • PHOSPHOR SHEET, A DIFFUSION PLATE, AN ILLUMINATING DEVICE, AND A DISPLAY UNIT
    Publication number: 20110002140
    Abstract: A phosphor sheet having a laminated structure including a first barrier material, a first barrier material, a first color conversion layer, a second color conversion layer, and a second barrier layer and a display unit and an illuminating device including display unit is provided. A diffusion plate and a display unit including a diffusion plate are also provided.
    Type: Application
    Filed: June 25, 2010
    Publication date: January 6, 2011
    Applicant: SONY CORPORATION
    Inventors: Tsubasa Tsukahara, Naoji Nada, Ryo Kasegawa, Yasushi Ito, Yoshihiro Oshima
  • INTEGRATED OPTICAL SHEET AND OPTICAL DEVICE HAVING THE SAME
    Publication number: 20110002144
    Abstract: Provided are an integrated optical sheet and an optical device having the same, and more particularly, an integrated optical sheet and an optical device having the same, in which a diffuser film and a prism film are integrated in a thin structure. The optical sheet includes a light collector including a plurality of prism elements extending in a first direction, and an anisotropic diffuser including a plurality of optical elements extending from a surface of the light collector opposite to the surface having the prism elements in a second direction different from the first direction. One part including downward prism elements and scattering elements is formed at one surface and the other part including diffusion elements is formed at the other surface to integrate a conventional diffusion film to a horizontal prism film, providing a thin optical sheet.
    Type: Application
    Filed: November 25, 2009
    Publication date: January 6, 2011
    Applicant: LMS CO., LTD
    Inventors: Jeong Ho PARK, Young Il KIM, Jun Won AN, Myoung NAM GUNG, Dong Cheol LEE, Dae Sik SHIN
  • NANO FRACTAL DIFFUSER
    Publication number: 20100328768
    Abstract: A diffusive device has an array of discrete facets which may be of a size and pattern similar to a fractal. The facet dimensions can be greater than half the wavelength of incident light such that the facets substantially diffract light. A polarizing wire-grid layer comprised of an array of elongated parallel conductive wires with a period less than half the wavelength of incident light may be disposed between, beneath, or above the facets. The wire-grid polarizes the light by substantially reflecting light having an s-polarization orientation and substantially transmitting a portion of light having a p-polarization orientation.
    Type: Application
    Filed: June 25, 2009
    Publication date: December 30, 2010
    Inventors: Michael Lines, Eric W. Gardner, Mark Davis
  • OPTICAL ELEMENT, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME
    Publication number: 20100328579
    Abstract: An optical element capable of improving a light diffusion effect while minimizing a damage of other members in the LCD due to an impact and so on, and a backlight unit and an LCD including the same. The optical element includes an optically-transparent base member; and a light-diffusing resin layer formed on one side of the base member. The light-diffusing resin layer has a plurality of concave recesses formed in a surface thereof to diffuse light. The optical element further includes an optical micro-structural layer formed on the opposite side of the base member. The second light-diffusing resin layer has a plurality of concave recesses formed in a surface thereof to diffuse light.
    Type: Application
    Filed: April 30, 2008
    Publication date: December 30, 2010
    Applicant: LMS CO., LTD.
    Inventors: Yong-Shig Shim, Young-Il Kim, Sung-Sik Choi, Byung-Doo Choi
  • Diffuser prism sheet having amorphous light diffusers on prism valleys, backlight unit using the same, mold, and associated methods
    Patent number: 7859611
    Abstract: A diffuser prism sheet includes a transparent base film having a first surface and a second surface, a light refractor at the first surface of the base film, the light refractor including a plurality of unit prisms having a major axis extending in a first direction and having a predetermined cross sectional shape that defines valleys between adjacent unit prisms, and light diffusers including amorphous polygonal bosses in the valleys between adjacent unit prisms.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: December 28, 2010
    Assignee: Cheil Industries, Inc.
    Inventors: Seok Hoon Jang, Man Suk Kim, Jun Hyeak Choi, Ju Yeol Choi
  • Optical Elements with Gradient Structure
    Publication number: 20100321784
    Abstract: The invention relates to optical elements with gradient structure, in particular for holographic applications, wherein the gradient structure is formed by a refractive index gradient and a method for production of said optical elements with gradient structure.
    Type: Application
    Filed: February 11, 2009
    Publication date: December 23, 2010
    Inventors: Peter William de Oliveira, Michael Veith, Peter Rogin, Hechun Lin, Marcus Geerkens
  • METHOD OF MAKING ANTIREFLECTIVE ROUGHENED SURFACE AND LENS BARREL WITH ROUGHENED SURFACE MADE BY THE METHOD
    Publication number: 20100321783
    Abstract: A method of turning the surface of a die, which is used to make a product, into an antireflective roughened one includes the steps of: a) producing a first roughness on the surface of the die; and b) producing a second roughness, which is smaller than the first roughness, on the surface of the die on which the first roughness has already been produced.
    Type: Application
    Filed: June 16, 2010
    Publication date: December 23, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Koichiro Hirabayashi, Tetsuya Uno, Kazutake Boku, Takayuki Kawamura
  • Light diffusive sheet for backlight unit and preparation thereof
    Patent number: 7855835
    Abstract: A light diffusive sheet for a backlight unit, comprising a transparent substrate-photocured resin layer laminate having a plurality of hemispherical-shaped protrusions of varying sizes, has excellent luminance, and a wide screen view angle.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: December 21, 2010
    Assignee: SKC Haas Display Films LLC.
    Inventors: Dae Gi Ryu, Jong Seul Lee, Ki Nam Byun, Yong Lae Yi, Eung Jae Oh
  • Microstructure diffuser
    Publication number: 20100315716
    Abstract: A microstructure diffuser includes a light-entering surface, a light-emitting surface, and a plurality of microstructure portions having a first microstructure unit and a second microstructure unit. The first microstructure unit includes a first side surface, a second side surface, a top surface, a first pitch (P1), a second pitch (P2), and a height (H). The second microstructure unit has a curve function shape and is located at the light-emitting surface. The first side surface and the second side surface of the first microstructure unit receive the light beam of the light source to form a first optical path. The top surface of the first microstructure unit receives the light beam of the light source to form a second optical path. The second microstructure unit receives the light beam of the light source to form a third optical path.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 16, 2010
    Inventors: Chun-Wei Wang, Wen-Feng Cheng, Chih-Wei Huang, Yan-Zuo Chen
  • REFLECTIVE SURFACE SUB-ASSEMBLY FOR A LIGHT-EMITTING DEVICE
    Publication number: 20100315818
    Abstract: A reflective surface sub-assembly for a light-emitting device, comprising a substrate, at least one area reserved for placement of a light-emitting device assembly on the substrate, and a diffusive reflective layer applied on selected regions on the substrate, wherein if the light-emitting device assembly were placed onto the at least one area then the diffusive reflective layer would reflect photons emitted by the light-emitting device assembly is disclosed.
    Type: Application
    Filed: August 23, 2010
    Publication date: December 16, 2010
    Inventors: Alexander SHAIKEVITCH, Rene Helbing
  • METHODS FOR COATING A SUBSTRATE
    Publication number: 20100307552
    Abstract: Coated substrates and methods for coating substrates, for example, a self-assembly method, disclosed herein are useful for, for example, photovoltaic cells.
    Type: Application
    Filed: March 25, 2009
    Publication date: December 9, 2010
    Inventors: Glenn Eric Kohnke, Jia Liu
  • DIFFUSION SHEET AND METHOD OF MANUFACTURING THE SAME, BACKLIGHT, AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20100309411
    Abstract: A diffusion sheet includes: a substrate having a first principal surface and a second principal surface; and structures each in a convex shape formed randomly on the first principal surface or the second principal surface of the substrate. The structures have an identical or almost identical height. The structures have an aspect ratio h/r, where r denotes an average radius of the structures and h denotes an average height of the structures, of more than 0.85 and not more than 1.50. The structures have a filling factor of not less than 60% and not more than 80%.
    Type: Application
    Filed: May 24, 2010
    Publication date: December 9, 2010
    Applicant: SONY CORPORATION
    Inventors: Akihiro Shibata, Jun Sasaki, Hirofumi Tsuiki, Akihiro Horii, Noriyuki Hirai, Hiroshi Mizuno, Satoko Asaoka, Kanako Hashimoto, Yasuyuki Kudo, Saori Hayashi, Teiichi Miyauchi, Satoshi Sekino, Makoto Aoki
  • Optical film, antireflection film, polarizing plate and image display device
    Patent number: 7848021
    Abstract: An optical film is provided and includes: a transparent support; and a light diffusion layer containing light-transmitting particles and a binder. The light diffusion layer has an average thickness of from 7.5 to 30 ?m, and the average thickness of the light diffusion layer is from 1.4 to 3.5 times as large as an average particle diameter of the light-transmitting particles.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: December 7, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tetsuya Asakura, Katsumi Inoue, Shoji Yasuda
  • Optical Diffusers, Photomasks and Their Methods of Fabrication
    Publication number: 20100302641
    Abstract: A large mask with random apertures may be formed by forming a smaller mask (also called a cell mask) with a random pattern of transmissive apertures which is then repeatedly replicated to create the large mask. The random pattern may be created by perturbing the aperture locations by a small amount or the apertures may be randomly placed within the cell mask provided certain criteria are met. Alternatively, a large mask with a random pattern of transmissive apertures may be formed without using a cell mask. This large mask may be used to fabricate diffusers and other devices that do not suffer from the interference, diffraction and other optical effects common in devices having structures that are non-randomly patterned.
    Type: Application
    Filed: August 10, 2010
    Publication date: December 2, 2010
    Inventor: Zhijian Lu
  • OPTICAL ARTICLE
    Publication number: 20100302479
    Abstract: The invention provides optical articles (11) having a microstructured surface wherein the microstructured surface has randomly distributed recesses (14) thereon and wherein the microstructured surface and the recesses are unitary, that is, the recesses are formed directly in microstructures. Optical displays utilizing the optical articles described herein are also disclosed.
    Type: Application
    Filed: December 9, 2008
    Publication date: December 2, 2010
    Inventors: Joseph T. Aronson, Stephen J. Etzkorn, Mark E. Gardiner, Eric W. Nelson, Tri D. Pham, Haiyan Zhang
  • Diffusers and methods of manufacture
    Patent number: 7842376
    Abstract: Diffusers including of a plurality of protruded structures with each structure containing multiple rugged facets are disclosed. The diffuser may be fabricated by coating a mixture of materials on a carrier film, the mixture of materials including at least a first material that polymerizes upon irradiation and at least a second material that is incompatible with the first material in polymerized form, then selectively irradiating the mixture of materials to polymerize a portion of the mixture of materials to form polymerized structures, and finally removing that part of the mixture of materials not forming part of the structures. A transparent material may be coated over the structures. The overcoat material may further contain scattering elements such as glass beads or polymeric particles.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: November 30, 2010
    Inventor: Zhijian Lu
  • ANTI-GLARE FILM, METHOD OF MANUFACTURING SAME, AND DISPLAY DEVICE
    Publication number: 20100296169
    Abstract: An anti-glare film includes a base having an irregular surface and a hard coat layer disposed on the irregular surface of the base. The surface of the hard coat layer has an irregular shape following the irregular surface of the base. The hard coat layer is obtained by applying an ultraviolet curable resin composition to the irregular surface of the base, followed by drying and curing. The ultraviolet curable resin composition contains a monomer and/or oligomer having two or more (meth)acryloyl groups, a photopolymerization initiator, an inorganic oxide filler, a viscosity modifier, and a conductive polymer.
    Type: Application
    Filed: May 11, 2010
    Publication date: November 25, 2010
    Applicant: SONY CORPORATION
    Inventor: Mikihisa Mizuno
  • Light control devices implemented with diffusers having controllable diffusion characteristics
    Patent number: 7837361
    Abstract: Light control devices (76, 80, 82) implemented with diffusers exhibiting controllable diffusion characteristics provide anisotropic luminous intensity distributions and glare control at high viewing angles while maintaining high luminaire efficiency or daylight utilization.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: November 23, 2010
    Assignee: Ledalite Architectural Products
    Inventors: Scott Santoro, Melissa Crenshaw, Ian Ashdown
  • Optical layered body, polarizer and image display device
    Patent number: 7839570
    Abstract: It is an object of the present invention to provide an improved optical layered body with reduced scintillation, gloss blackness, color effects and interference fringes, while maintaining antistatic and antiglare performance. The optical layered body comprises, in order, an antistatic layer, an antiglare layer and a low refractive index layer on a light-transmitting substrate, The antistatic layer is a thin resin layer containing antimony-doped tin oxide and a diffusion filler, and having a predetermined surface roughness on its surface.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: November 23, 2010
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Yukimitsu Iwata, Gen Furui, Takashi Kodama, Mariko Hayashi, Sanae Yoshida, Kiyoshi Itoh
  • Methods and devices for display color compensation
    Patent number: 7839414
    Abstract: Disclosed are methods and devices for color compensation of a display having a translucent display cover applied to an outside surface of the display. A method may include characterizing a color shift due to the translucent display cover for when there is rendering of an image on the display and compensating for the color shift when rendering an image on the display. The method further may include measuring the color shift induced by the color of the finish, and as described below compensating the red, green, and blue (RGB) levels of the display so that the display image may be presented to the user as originally intended. In this way, the image quality may be substantially optimized for viewing regardless of the lens/cover surface color.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: November 23, 2010
    Assignee: Motorola Mobility, Inc.
    Inventors: Adam Cybart, Roger W. Ady, John A. Burroughs, R. Dodge D. Daverman, Ken K. Foo, Sen Yang, Zhiming (Jim) Zhuang
  • Antireflective member, optical element, display device, method of making stamper and method of making antireflective member using the stamper
    Patent number: 7835080
    Abstract: An antireflective member has an uneven surface pattern, in which unit structures are arranged in x and y directions at respective periods that are both shorter than the shortest wavelength of an incoming light ray, on the surface of a substrate and satisfies the following Inequality (1): ? ? ? x , y ? min < 1 ni + ni · sin ? ? ? ? ? i max ( 1 ) where ?min is the shortest wavelength of the incoming light ray, ?imax is the largest angle of incidence of the incoming light ray, ni is the refractive index of an incidence medium, ?x is the period of the uneven surface pattern in the x direction, and ?y is the period of the pattern in the y direction. As a result, diffraction of short-wave light components can be reduced in a broad wavelength range.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: November 16, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tokio Taguchi, Shun Ueki, Kozo Nakamura, Kazuhiko Tsuda
  • LIGHT DIFFUSER PLATE AND PROCESS FOR PRODUCTION OF LIGHT DIFFUSER PLATE
    Publication number: 20100284170
    Abstract: The problem to be solved by the present invention is to provide a light diffuser plate and a process for production thereof, which light diffuser plate can diffuse light selectively in any desired direction even when the number of cold cathode fluorescent lamps as backlights is reduced and the gap between cold cathode fluorescent lamps is increased, so suppressing luminance unevenness and lamp image with good repeatability in stable way and maintaining high luminance. The present invention is also aimed at providing a backlight unit that possesses similar characteristics.
    Type: Application
    Filed: November 25, 2008
    Publication date: November 11, 2010
    Inventors: Toshio Awaji, Yasutaka Nakatani, Kazuyuki Sugihara, Takehisa Kishimoto, Akira Ueda
  • OPTICAL SHEET
    Publication number: 20100284071
    Abstract: There is provided an optical sheet for use as a display device surface, which has a functional layer on at least one side of a transparent base material and has a diffusion factor on the outer surface and/or interior of the functional layer, wherein the relationship represented by the following formula (I) is satisfied. 0.16<R/V<0.71 ??(I) R (diffuse regular reflection intensity): Intensity in the direction of the diffuse regular reflection V: Sum of the diffuse reflection intensities measured for each degree between ?? degrees and +? degrees with respect to the direction of diffuse regular reflection when the optical sheet is irradiated with visible light rays.
    Type: Application
    Filed: October 19, 2009
    Publication date: November 11, 2010
    Inventors: Takashi Kodama, Gen Furui, Makoto Honda
  • Optical sheet and backlight unit using the same
    Patent number: 7824090
    Abstract: An optical sheet and a backlight unit using the same are disclosed, in which deviation of a viewing angle is minimized to improve picture quality. The optical sheet includes a diffusion sheet provided with a plurality of diffusion patterns diffusing incident light in at least two directions to allow the incident light to have different strengths.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: November 2, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hoan Lee, Won Taek Moon, Jae Hyun Park
  • Antiglare film and transmissive liquid crystal display
    Patent number: 7824044
    Abstract: An antiglare film satisfies both (1) high antiglare property in the front direction and (2) absence of white blurring. One embodiment of the invention is an antiglare film provided with an antiglare layer on a transparent substrate, wherein the antiglare layer has a rugged structure on the surface opposite to the transparent substrate; the 5° reflectance of the antiglare film surface on the antiglare layer side is in a range of from 0.30% to 0.70%; the antiglare film surface on the antiglare layer side is provided with a rugged structure having arithmetic average roughness (Ra1) in the range of from 0.020 ?m to 0.040 ?m when a cutoff wavelength (?C) is 0.008 mm; and the antiglare film surface on the antiglare layer side is provided with a rugged structure having arithmetic average roughness (Ra2) in the range of from 0.35 ?m to 0.45 ?m when a cutoff wavelength (?C) is 0.8 mm.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: November 2, 2010
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Yusuke Tochigi, Tomo Yoshinari, Kae Takahashi, Hisamitsu Kameshima
  • LIGHT-DIFFUSING SHEET AND BACKLIGHT DEVICE USING SAME
    Publication number: 20100265739
    Abstract: A light-diffusing sheet which can prevent generation of scratches on the surface of the light-diffusing sheet or a surface of another member contacting with the light-diffusing sheet at the time of being used as a constituent member of a backlight unit of a liquid crystal display or transportation thereof, and also can exhibit the light-diffusing performance is provided. The light-diffusing sheet of the present invention has a light-diffusing layer comprising microparticles, wherein the light-diffusing layer has a surface showing a maximum peak height (Rp) of 8.0 ?m or higher in a roughness curve determined by three-dimensional surface profilometry, and mean particle size (?) of the microparticles contained in the light-diffusing layer and thickness (d) of the light-diffusing layer satisfy the relationship: ?/d?0.7.
    Type: Application
    Filed: January 22, 2009
    Publication date: October 21, 2010
    Inventors: Yohei Funabashi, Hiroyasu Ishikawa, Kenji Fukui
  • Antiglare light diffusing member and method for producing same, and display
    Patent number: 7815320
    Abstract: The present invention aims to provide an antiglare light diffusing member utilizing internal diffusion and surface diffusion in combination, wherein a surface haze value mainly representing the degree of the surface diffusion and an internal haze value mainly representing the degree of the internal diffusion are easily adjusted independently from each other. An antiglare light diffusing member comprising an antiglare light diffusing layer comprising a binder matrix and a particle A and a particle B on a transparent base material, wherein the difference between the refraction index of the particle A and the refraction index of the binder matrix is less than 0.02, and the difference between the refraction index of the particle B and the refraction index of the binder matrix is in the range of 0.03-0.20.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: October 19, 2010
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Toru Ookubo, Tomoya Oohira
  • Antiglare light diffusing member and display having antiglare light diffusing member
    Patent number: 7815322
    Abstract: The purpose is to provide an antiglare light diffusing member that can satisfy both of external light reflection preventiveness and good contrast when being used for a display. The antiglare light diffusing member is made to be an antiglare light diffusing member having an antiglare light diffusing layer including a binder matrix and particles on a transparent base material, wherein the two types of arithmetical mean roughness (Ra1, Ra2) of the antiglare light diffusing layer defined by JIS-B0601-1994 are in the following range: Ra1 is in the range of 0.008-0.020 ?m when cutoff wavelength ?c is 0.008 mm; and Ra2 is less than 0.200 ?m when cutoff wavelength ?c is 0.8 mm.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: October 19, 2010
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Toru Ookubo, Tomo Yoshinari, Kae Takahashi, Jun Arao
  • Light guide for surface light source device and surface light source device
    Patent number: 7815357
    Abstract: A high quality surface light source in which various kinds of unevenness in luminance due to use of small number of spot-like primary light sources for reducing power consumption is eliminated, and a light guide for use therein. The planar light guide (4) guides light emitted from a plurality of spot-like primary light sources (2) and has an incoming end face (41) of lights emitted from the primary light source (2) and an outgoing face (43) of guided light. A high light diffusion region (431) extends substantially along the direction of directivity of light entering the light guide (4) in a plane extending along the outgoing face (43), in the vicinity of the incoming end face of at least one of the outgoing face (43) and its rear surface (44) on the opposite side. The high light diffusion region (431) has a mean inclination angle larger than that of an adjacent region (434).
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: October 19, 2010
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kentaro Hayashi, Tomoyoshi Yamashita
  • Antiglare film
    Patent number: 7815321
    Abstract: An antiglare film is disclosed comprising of an antiglare layer having a surface irregularity on a transparent base material, wherein the antiglare layer includes a binder matrix, an organic particle A and a particle B, and the value that an average particle size of the organic particle A is divided by an average film thickness of the antiglare layer is in the range of 0.4 to 0.7, and the value that an average particle size of the particle B is divided by an average particle size of the organic particle A is in the range of 0.3 to 0.7, and the content of the particle B relative to the organic particle A in the antiglare layer is in the range of 50 wt % to 200 wt %.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: October 19, 2010
    Assignee: Toppan Printing Co., Ltd.
    Inventor: Tomo Yoshinari
  • COMPOSITE BRIGHTNESS ENHANCEMENT FILM HAVING TWO-PHASE HAZING LAYER
    Publication number: 20100259825
    Abstract: A composite brightness enhancement film having a two-phase hazing layer is provided, and includes a substrate, a two-phase hazing layer and a brightness enhancement structure layer. The substrate has a light inputting surface and a light outputting surface on which the two-phase hazing layer is formed. The two-phase hazing layer includes at least two resin material uniformly mixed with each other. The at least two resin material is incompletely dissolved into each other, and has different refractive indexes from each other, so that the two-phase hazing layer can be used to diffuse and haze a light. The brightness enhancement structure layer is formed on the two-phase hazing layer, and has a plurality of brightness enhancement micro-structures for enhancing the light.
    Type: Application
    Filed: September 16, 2009
    Publication date: October 14, 2010
    Applicant: DAYU optoelectronics
    Inventors: Jauh-jung Yang, Chi-Feng Chen, Yu-chieh Chen
  • PLANAR PLASMONIC DEVICE FOR LIGHT REFLECTION, DIFFUSION AND GUIDING
    Publication number: 20100259826
    Abstract: A planar plasmonic device includes a first material layer having a surface configured to receive at least one photon of incident light. A patterned plasmonic nanostructured layer is disposed adjacent and optically coupled to the first material layer. The patterned plasmonic nanostructured layer includes a selected one of: a) at least a portion of a surface of the patterned plasmonic nanostructured layer includes a textured surface, and b) at least one compound nanofeature including a first material disposed adjacent to a second material within the compound nanofeature.
    Type: Application
    Filed: April 12, 2010
    Publication date: October 14, 2010
    Applicant: Lightwave Power, Inc.
    Inventors: Jin Ji, Mark B. Spitzer, Lawrence A. Kaufman
  • Light-scattering film, polarizing plate and image display
    Patent number: 7813038
    Abstract: A light-scattering film is provided and includes a transparent support having thereon at least a light-scattering layer. When substantially parallel light is incident on a surface of the film at an incident angle of 5°, the reflectance for an angle ? in the light-receiving part measured in a plane containing the film normal line and the incident direction is R(?), the value obtained by normalizing R(?) by the reflectance of regular reflection is Rrel(?), and the value calculated from the maximum variation |dRrel(?)/d?|max for the angle ? is a scattering coefficient A (formula 1), the reflection coefficient B (formula 2) calculated from the scattering coefficient A and the 5° specular reflectance Rs is from 2.0 to 5.0. Scattering coefficient A=1/(10×|dRrel(?)/d?|max)??(Formula 1) Reflection coefficient B=2.2×log 10(Rs)?7.5×log 10(A)+5.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: October 12, 2010
    Assignee: Fujifilm Corporation
    Inventors: Katsumi Inoue, Jun Watanabe, Tetsuya Asakura, Daiki Wakizaka, Hideyasu Ishibashi, Isao Ikuhara
  • Reflector and Manufacturing Method Thereof
    Publication number: 20100254012
    Abstract: Provided are a reflector that reflects incident light and comprises crystalline plastic in which a crystal region and an amorphous region are mixed, wherein the amorphous region includes a plurality of orientation layers comprising amorphous particles that are oriented in a predetermined direction, and a method of manufacturing the same. The reflector, which has high reflectance, is formed by extending a crystalline plastic material exhibiting a superior extensibility to extend the amorphous particles in the amorphous region in the predetermined direction so as to form a plurality of extension layers in the amorphous region.
    Type: Application
    Filed: November 23, 2007
    Publication date: October 7, 2010
    Applicant: ALPHAVISION CO., LTD
    Inventor: Jae-Dong Yoon
  • FRESNEL LENS WITH CAVITIES
    Publication number: 20100254013
    Abstract: An exemplary Fresnel lens includes a flat emitting surface and a plurality of annular Fresnel lens elements at an opposite side thereof to the emitting surface. Each of the Fresnel lens elements has a non-lens surface perpendicular to the emitting surface and a Fresnel lens surface adjoining the non-lens surface with an acute angle. Each of the Fresnel lens elements has a plurality of spaced cavities defined in the non-lens surface.
    Type: Application
    Filed: January 28, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: YUNG-LUN HUANG
  • ATTACHED FILM
    Publication number: 20100254009
    Abstract: An attached film for in-mold-decoration is provided to be attached to an outer surface of a molded product. The attached film includes a base layer, an attaching layer, and an anti-reflection layer sandwiched between the attaching layer and the base layer.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Display and labeled article
    Publication number: 20100254007
    Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.
    Type: Application
    Filed: June 17, 2010
    Publication date: October 7, 2010
    Applicant: Toppan Printing Co., Ltd.
    Inventor: Toshiki Toda
  • GLASS HAVING ANTI-GLARE SURFACE AND METHOD OF MAKING
    Publication number: 20100246016
    Abstract: A glass article having an anti-glare surface. The anti-glare surface has a distinctness-of-reflected image of less than 95, and a haze of less than or equal to 50%. In one embodiment, the glass article further includes a smudge-resistant surface disposed on the anti-glare surface. Methods of making the glass article and anti-glare surface are also described.
    Type: Application
    Filed: March 24, 2010
    Publication date: September 30, 2010
    Inventors: Krista L. Carlson, Shandon D. Hart, Kelvin Nguyen, Robert Sabia, Daniel A Sternquist, Lu Zhang
  • DIFFUSION SHEET, DIFFUSION UNIT, ILLUMINATING UNIT, AND DISPLAY DEVICE
    Publication number: 20100246190
    Abstract: In a diffusion sheet (46), first reflection areas (AR1) with high reflectance and second reflection areas (AR2) with low reflectance are alternately arranged parallel to each other on a light receiving surface (46R), and third reflection areas (AR3) with high reflectance and fourth reflection areas (AR4) with low reflectance are alternately arranged parallel to each other on an light emitting surface (46F). In the diffusion sheet (46), the first reflection areas (AR1) and the fourth reflection areas (AR4) are opposed to each other, and the second reflection areas (AR2) and the third reflection areas (AR3) are opposed to each other.
    Type: Application
    Filed: July 23, 2008
    Publication date: September 30, 2010
    Applicant: SHARP KABUSHIKI KAISHA
    Inventor: Takahiro Yoshikawa
  • PRODUCTION METHOD OF LIGHT SCATTERING FILM, LIGHT SCATTERING FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE, AND TRANSMISSIVE/SEMI-TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20100245714
    Abstract: A method for producing a light scattering film is provided and includes: casting onto a support a dope containing at least a thermoplastic resin and light transmitting particles to provide a casted film, and peeling and drying the casted film to prepare a light transmitting base material; applying an coating solution containing at least a curable compound, a polymerization initiator, and a solvent onto the light transmitting base material and drying the solvent; and curing the curable compound to form a cured layer. At least one surface of the light transmitting base material has an asperity shape, the light transmitting particles have an average primary particle size greater than 2.5 ?m but not greater than 12 ?m, the cured layer has an average thickness of 0.1 ?m or greater but not greater than 10.0 ?m, and the cured layer satisfies the specific formulae.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Jun WATANABE, Hiroyuki Yoneyama, Daisaku Abiru
  • Light guide plate
    Publication number: 20100246015
    Abstract: A light guide plate comprises: a rectangular light exit plane and at least one light entrance plane in contact with the light exit plane, wherein the light guide plate comprises three or more structural layers disposed on each other in a direction normal to the light exit plane, each structural layer containing scattering particles dispersed therein, the structural layers having different particle densities of scattering particles.
    Type: Application
    Filed: March 26, 2010
    Publication date: September 30, 2010
    Applicant: FUJIFILM Corporation
    Inventor: Osamu Iwasaki
  • METHOD OF MAKING ANTIGLARE FILM, ANTIGLARE FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE, AND TRANSMISSIVE/SEMI-TRANSMISSIVE LIQUID CRYSTAL DISPLAY
    Publication number: 20100245715
    Abstract: In a method for making an antiglare film including the casting, the releasing, the drying, the applying and the curing as defined herein, the transparent particles have an average primary particle size of greater than 2.5 ?m and not greater than 12 ?m, the transparent base has on at least one side thereof flat portions substantially parallel to a film-forming plane and rounded protrusions arising from the transparent particles, the protrusions having a maximum height Rt from the flat portions of from 1 to 15 ?m, and the cured layer has an average thickness of from 1 to 15.0 ?m and a surface profile with an arithmetic average roughness Ra, a mean spacing between peaks Sm, and an average slope ?a, all as measured in accordance with JIS B0601, satisfying the relationships (1) to (3) as defined herein.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Jun WATANABE, Hiroyuki YONEYAMA, Takato SUZUKI
  • LIGHT DIFFUSION SHEET AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20100245737
    Abstract: A light diffusing layer 10 included in a light diffusing sheet and a liquid crystal display device of the present invention includes a plurality of low refractive index regions (second regions) 14 formed of a substance which has a low refractive index (second substance). The shape of each of the low refractive index regions in a cross section perpendicular to the major surface is approximated to an isosceles triangle where the base is on the viewer side and the vertex is on the liquid crystal display panel side. The plurality of low refractive index regions are arranged in a high refractive index region (first region) formed of a high refractive index substance (first substance) at a predetermined pitch P in at least one direction in a plane parallel to the major surface.
    Type: Application
    Filed: September 26, 2008
    Publication date: September 30, 2010
    Inventors: Iori Aoyama, Tokio Taguchi, Yusuke Nishihara, Akihiro Yamamoto, Kubo Masumi
  • LIGHT-TRANSMITTING SUBSTRATE, OPTICAL FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE
    Publication number: 20100245722
    Abstract: A light-transmitting substrate has an uneven profile on at least one surface thereof, the light-transmitting substrate contains a thermoplastic resin and a flat translucent particle; a tilt angle of the uneven profile on at least one surface of the light-transmitting substrate has the following distribution: (a) an integral value of frequencies of from 0° to less than 1.0° is from 0% to less than 25%, (b) an integral value of frequencies of from 1.0° to less than 10° is from 60% to less than 100%, and (c) an integral value of frequencies of 10° or more is from 0% to less than 25%, and an average distance between trough and crest in the uneven profile is from 10 to 300 ?m.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki YONEYAMA, Jun Watanabe
  • Optical film and process for production the same, antireflection film and process for production the same, polarizing plate including the film, liquid crystal display device including the polarizing plate, and liquid crystal display device
    Patent number: 7803449
    Abstract: An optical film comprising a transparent support and a layer having internal scattering properties, wherein the optical film has an image sharpness, as measured in an optical comb width of 0.5 mm in conformity to JIS K7105, of from 30.0% to 99.9%, a haze value as caused by surface scattering of less than 3%, and a haze value as caused by internal scattering of from 15 to 40%.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: September 28, 2010
    Assignee: Fujifilm Corporation
    Inventors: Katsumi Inoue, Tetsuya Asakura
  • COMPOSITION FOR ANTI-GLARE FILM AND ANTI-GLARE FILM PREPARED USING THE SAME
    Publication number: 20100238558
    Abstract: The present invention provides a composition for an anti-glare film that includes a binder resin; and an organic particle which is included in an amount of 1 to 30 parts by weight based on 100 parts by weight of the binder resin and in which concave 1 and convex patterns are formed on a surface thereof, and an anti-glare film that is manufactured by using the same. Accordingly, the storage stability of a particle that is included in an anti-glare film for high resolution is improved to increase the durability and a lifespan of products, a glare phenomenon that is caused by incident light and recognized by an user is prevented, and image clarity and contrast ratio that is realized by using an image display device are improved.
    Type: Application
    Filed: May 16, 2008
    Publication date: September 23, 2010
    Inventors: Sang-Hyuk Im, Yeong-Rae Chang, Jae Pil Koo
  • Anti-Glare Film, Polarizing Plate and Transmission Type LCD
    Publication number: 20100238384
    Abstract: The present invention provides an anti-glare film which has <1> sufficient anti-reflection properties, <2> a high level of contrast and <3> strong antifouling properties. A surface of an anti-glare layer of the anti-glare film of the present invention has a concave-convex structure, an arithmetic mean roughness (Ra) according to JIS B0601-1994 in the range of 0.02-0.2 ?m when a cut-off wavelength (?c) is 0.8 mm, and a surface free energy in the range of 15-25 mN/m. In addition, a haze of the anti-glare layer of the anti-glare film of the present invention is in the range of 1.0-5.0%.
    Type: Application
    Filed: March 15, 2010
    Publication date: September 23, 2010
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Kae Tochigi, Yusuke Tochigi, Yasushi Yabuhara
  • AMBIENT LIGHT USING SWITCHABLE CANVAS
    Publication number: 20100238664
    Abstract: A display system includes a unit configured to provide information, and a plate extending away from the unit in at least one direction. The plate is configured to receive input light and to provide ambient light that may be related to the information. In response to voltage levels, the plate is substantially transparent in a transparent mode and substantially light scattering in a scattering mode to provide the ambient light.
    Type: Application
    Filed: March 27, 2007
    Publication date: September 23, 2010
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventor: Wilhelmus Theodorus, Maria Steenbergen
  • Organic electroluminescent device comprising a prism structure
    Patent number: 7800301
    Abstract: Disclosed is an organic electroluminescent device comprising a first electrode, a second electrode, at least one organic layer containing a luminescent layer and disposed between the first electrode and the second electrode, a transparent substrate and a prism structure disposed between the first electrode or the second electrode and the transparent substrate, wherein the prism structure is disposed such that the apexes of the prisms face the transparent substrate side and the coefficient of variation in the pitch of the apexes of the prisms is 1% or more.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: September 21, 2010
    Assignee: Fujifilm Corporation
    Inventors: Shun-ichi Ishikawa, Yoshitaka Kitamura, Sanpei Iida, Takayuki Fujiwara