Diffusing Of Incident Light Patents (Class 359/599)
  • Patent number: 10378729
    Abstract: A micro-molded sheet for backlight module, includes: a base material layer formed from transparent material; a coating, which comprises adhesive and nano-particles, formed on the upper surface of the base material layer; and a micro-molded array layer mounted on the upside of the coating.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: August 13, 2019
    Assignee: SHANGHAI CCS INDUSTRIAL INVESTMENT HOLDING CO., LTD.
    Inventors: Qingsong Jin, Qing Wang
  • Patent number: 10367330
    Abstract: A diffuser includes a first substrate and a gel layer. The first substrate has a first refractive index n1. The gel layer includes a body and at least one microstructure. The body is disposed on the first substrate. The microstructure is disposed on the body, wherein the dimension of the microstructure is smaller than that of the body. The body is located between the microstructure and the first substrate. The gel layer has a second refractive index n2, and n1>n2.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: July 30, 2019
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Keh-Su Chang, Chun-Hsien Lu, Yen-I Chou, Chi Chen
  • Patent number: 10319934
    Abstract: A supported transparent electrode for an OLED, includes, in succession: (i) a transparent substrate made of mineral glass; (ii) a scattering layer formed from a high-index enamel containing at least 30% by weight Bi2O3; (iii) a barrier layer of at least one dielectric metal oxide chosen from the group consisting of Al2O3, TiO2, ZrO2 and HfO2, deposited by ALD; and (iv) a layer of a transparent conductive oxide (TCO).
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: June 11, 2019
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Youngseong Lee, Jinwoo Han
  • Patent number: 10302997
    Abstract: A display device is provided. The display device includes: a backlight; and a display panel configured to create an image by selectively blocking light emitted from the backlight, the backlight including a light regulator configured to regulate emission of incident light; a light guide plate arranged behind the light regulator; and a plurality of adhesives arranged to bond the light regulator and the light guide plate, respective cross-section areas of the plurality of adhesives increasing as distance from a light source increases.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Woo Kang, Seung Jun Jeong, Ki Hyung Kang
  • Patent number: 10288781
    Abstract: Provided is a display device including a substrate that has light transmissivity, a plurality of light shielding layers that is formed at a recurring period on one face of the substrate, and a light-diffusing unit that is formed in an area of the one face of the substrate except for the area where the light shielding layers are formed, in which the light-diffusing unit includes a light emitting end face on the substrate side and includes a light incident end face having an area larger than the area of the light emitting end face on the side opposite to the substrate side, the height of the light-diffusing unit from the light incident end face to the light emitting end face is greater than the thickness of the light shielding layer, and the periodic direction at which the light shielding layers are recurrently formed is non-parallel to the direction of a pixel pitch of a display body.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: May 14, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasushi Asaoka, Shohei Katsuta, Tsuyoshi Maeda, Tsuyoshi Kamada
  • Patent number: 10288779
    Abstract: Provided are a light diffusion film having a single-layered light diffusion layer, in which the uniformity of the intensity of diffused light in the light diffusion angle region can be increased, or the light diffusion angle region can be expanded effectively, by regulating the combination of the angles of inclination of pillar-shaped objects in plural columnar structure regions, and a method for manufacturing a light diffusion film. Disclosed is a light diffusion film having a single-layered light diffusion layer, the light diffusion film having a first columnar structure region and a second columnar structure region, in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a region having a relatively low refractive index, sequentially from the lower part of the film along the film plane.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 14, 2019
    Assignee: LINTEC Corporation
    Inventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi
  • Patent number: 10265419
    Abstract: The invention provides methods for intraoperatively determining the location of nerves by use of fluorescent dyes. The methods are particularly useful for locating the cavernous nerves innervating the penis.
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: April 23, 2019
    Assignee: Novadaq Technologies ULC
    Inventor: Dragan Golijanin
  • Patent number: 10254449
    Abstract: The invention relates to an electromagnetic optical element which scatters radiation in a diffuse manner. Such optical elements can be used in nearly all projection applications including front and rear projection, display applications, (cinema) screens and similar. On the surface of a claimed optical element, a surface profile is provided, the surface structure of which is non-repeating and irregular. Elevations are formed that have a height by means of which a phase shift ?? may be achieved that is greater than two and a half times the longest wavelength used, and the elevations have a lateral extension in one plane respectively, in all axial directions, that is greater than five times the longest wavelength used. The individual elevations have a continuous form in the three spatial axial directions and said elevations are devoid of edges, ledges and fissures.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: April 9, 2019
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Hans-Christoph Eckstein, Uwe Zeitner
  • Patent number: 10228498
    Abstract: An optical-diffusion film for display which, particularly when applied to a display device using a collimated backlight as a backlight for the display panel, can efficiently diffuse and emit a highly directional light emitted from the collimated backlight toward the front of the display device as image display light, without allowing straight transmission of the highly directional light, and a display device using the optical-diffusion film for display are provided. Disclosed is a single layered optical-diffusion film having a columnar structure in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a film thickness direction in a region having a relatively low refractive index, in which the film thickness of the optical-diffusion film has a value within the range of 60 to 700 ?m, and the haze value obtainable in the case in which light is made incident in the normal line direction of the film plane has a value of 80% or more.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: March 12, 2019
    Assignees: LINTEC CORPORATION, TOHOKU UNIVERSITY
    Inventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi, Hideo Fujikake, Takahiro Ishinabe
  • Patent number: 10222025
    Abstract: A light diffuser is formed of a slab of material which has opposing first and second main surfaces, wherein each surface comprises an array of light directing facets. Each light directing facet of the first surface directs incident light through the slab predominantly to a corresponding paired light directing facet of the second surface, and at least some different light directing facets of the first surface direct incident light to their corresponding paired light directing facets of the second surface in different directions. The angular profile at the exit can be controlled, and for example does not need to diverge more at the output of the diffuser than at the input.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: March 5, 2019
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventor: Ruslan Akhmedovich Sepkhanov
  • Patent number: 10222537
    Abstract: A display device includes a display panel including a display area and a non-display area adjacent to the display area, a bottom member including a bottom part facing the display area, a side part extending from the bottom part toward the display panel, and a support part extending from the side part to face a portion of the display area and the non-display area, a plurality of light sources on the bottom part to emit light, and a light guide member between the support part of the bottom member and the display panel to guide the light incident from the plurality of light sources toward the display panel.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-min Park, Kwang-wook Choi, Eunju Nam, Min-young Song
  • Patent number: 10224502
    Abstract: A display device including a display panel and a window. The display panel includes a first curved display portion. The window covers the display panel and includes a base substrate having a light transmittance. The base substrate includes a bent portion. The bent portion is defined by bending at least a portion of the base substrate and covers the first curved display portion. The base substrate includes a composition material comprising a plurality of different polymer materials.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: March 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jonghwan Cho, Hyunseung Seo
  • Patent number: 10222522
    Abstract: Provided are an optical diffusion film composed of a single layer, for which the optical diffusion incident angle region can be effectively expanded, and even when the incident angle of incident light is varied within the optical diffusion incident angle region, changes in the optical diffusion characteristics can be effectively suppressed; and a method for manufacturing the optical diffusion film. Disclosed is an optical diffusion film having, inside the film, a single optical diffusion layer having a first internal structure and a second internal structure, each of which include a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index, sequentially from the lower part along the film thickness direction, and the regions having a relatively high refractive index in the first internal structure have a bent section at an intermediate point along the film thickness direction.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: March 5, 2019
    Assignee: LINTEC Corporation
    Inventors: Kentaro Kusama, Baku Katagiri, Kenta Tomioka, Tomoo Orui, Satoru Shoshi
  • Patent number: 10202544
    Abstract: The present disclosure provides a light-diffusion powder, a quantum-dot-containing photoresist, and a quantum-dot-containing color film, and their preparation methods. The light-diffusion powder is obtained from an alkoxysilane having a chemical structure represented by formula (I): where R1 includes a C1˜C50 alkyl group, and R? includes one or more of an alkyl and a substituted alkyl group.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: February 12, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Tingting Zhou, Bin Zhang, Yonglian Qi, Dini Xie, Yong Jiang
  • Patent number: 10190748
    Abstract: A backlight module includes a reflecting base, a light source, at least one 3D optical control structure, and at least one illumination adjusting structure. The light source and the 3D optical control structure are disposed on the reflecting base, and the 3D optical control structure covers the light source. Each 3D optical control structure includes two sidewalls, and at least one of the sidewalls has at least one through-hole. The illumination adjusting structure is adjacent to the sidewall having the through-hole. A position of an orthogonal projection of the through-hole to the reflecting base is A, and a position where a normal line of the sidewall passing through the through-hole intersects the reflecting base is B. An illumination adjusting section is an area between A and B. The illumination adjusting structure is disposed in the illumination adjusting section.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: January 29, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chi-Tang Ma, Wei-Chun Chung, Su-Yi Lin, Chun-Liang Lin
  • Patent number: 10180529
    Abstract: In one embodiment, an illumination device includes a light-guiding unit having a light output surface which outputs light and a back surface facing the light output surface, wherein the light-guiding unit has a curved surface in a region of the back surface farther than a first position on the back surface that is away by a first distance from an axis passing the light output surface and the back surface, and a rough surface in a region of the light output surface farther than a second position on the light output surface that is away by a second distance from the axis in a same direction as a direction from the axis toward the first position, and where an intersection of the axis and the back surface is an origin point, and a direction of the axis from the back surface to the light output surface is positive, a normal line of the curved surface intersects with the axis at the positive side of the axis, and an angle formed by a normal line vector at the second position in a direction toward the light output s
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: January 15, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Ohno, Yuichiro Yamamoto, Mitsuaki Kato, Tomonao Takamatsu, Masataka Shiratsuchi, Hiromichi Hayashihara, Hideo Tamura, Masahiko Yamamoto
  • Patent number: 10175393
    Abstract: The present invention discloses a method of forming an optical sheet. The optical sheet comprises a substrate and a film. The substrate has a first surface and a second surface opposite to the first surface. The film has a third surface and a fourth surface opposite to the third surface. The third surface of the film is on the first surface of the substrate. The fourth surface of the film comprises a structure corresponding to a combination of a plurality of first convex shapes and a plurality of second convex or concave shapes superimposed on the plurality of first convex shapes.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: January 8, 2019
    Assignee: UBright Optronics Corporation
    Inventors: Hui-Yong Chen, Lung-Pin Hsin, Ching-An Yang, Yu-Mei Juan, Chien-Chih Lai, Tzu-Hsiang Huang, Han-Tsung Pan
  • Patent number: 10173400
    Abstract: A transparent conductive film includes a substrate having opposed first and second surfaces; a first hard coating layer formed on the first surface; a first optical adjustment layer formed on the first hard coating layer, the first optical adjustment layer comprising a second binder resin and a plurality of second particles distributed in the second binder resin; a first transparent conductor layer formed on the first optical adjustment layer, the first transparent conductor layer having a plurality of protrusions on a surface thereof corresponding to the plurality of second particles; a second hard coating layer formed on the second surface; a second optical adjustment layer formed on the second hard coating layer; and a second transparent conductor layer formed on the second optical adjustment layer.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: January 8, 2019
    Assignees: NANCHANG O-FILM DISPLAY TECHNOLOGY CO., LTD., SHENZHEN O-FILM TECH. CO., LTD.
    Inventors: Shuang Du, Peihong Wang, Xiaowei Hou
  • Patent number: 10156661
    Abstract: An optical film having a structured surface is described. At least 90% of the structured surface has a slope magnitude that is less than about 5 degrees. The optical film may have an optical haze of less than about 10% and an optical clarity of less than about 50%, or may have an optical haze of less than about 7.5% and an optical clarity of less than about 60%, or may have an optical haze of less than about 3% and an optical clarity of less than about 65%.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: December 18, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Robert A. Yapel, Joseph T. Aronson, Matthew R. C. Atkinson, Gary T. Boyd, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Steven H. Kong, Fei Lu, Tri D. Pham, Robert B. Secor, Steven D. Solomonson
  • Patent number: 10145990
    Abstract: An optical film includes a polarizer and a first adhesive layer on the polarizer, where the first adhesive layer has a haze value of 90% or more.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hee Son, Nam Seok Baik, Jang Seok Ma, Sang Woo An, Gyeong Im Lee, Duk Jin Lee
  • Patent number: 10146034
    Abstract: Disclosed is a cata-dioptric system. A cata-dioptric system according to an embodiment of the present invention includes: a reflecting optical system that reflects incident light through a plurality of reflective surfaces; and a refracting optical system that refracts the reflected incident light, wherein the respective internal diameters of the plurality of reflective surfaces are disposed on the same perpendicular line as the external diameters of other reflective surfaces adjacent to the respective internal diameters of the plurality of reflective surfaces, or at a closer distance from a perpendicular line including the top surface of the refractive optical system.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 4, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-chul Choi, Kyong-tae Park
  • Patent number: 10119667
    Abstract: Light-redirecting optical system for building fenestrations, such as glass doors and windows, storefront glazing systems, and curtain walls, that can collect and redirect daylight into the interior of a building. The light-redirecting optical system includes an outward-facing light-redirecting optical surface and an inward-facing light-redirecting surface. The outward-facing light-redirecting optical surface collects and redirects daylight mostly upward toward the inward-facing light-redirecting surface. The inward-facing light-redirecting surface receives the redirected daylight and further redirects it into the interior environment at pre-determined angles; so that all specular rays of light are at or above the horizon for a wide range of incident angles of daylight striking the outward-facing light-redirecting optical surface. The light-redirecting optical surfaces can be fabricated on a film or flexible substrate that may be directly applied to glass, acrylic, or other glazing surfaces.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: November 6, 2018
    Assignee: LightLouver LLC
    Inventors: Zachary L. Rogers, Michael J Holtz
  • Patent number: 10114153
    Abstract: The present invention discloses an optical assembly. The optical assembly comprises: a first optical film having a first surface; an adhesive disposed on the first surface of the first optical film, wherein the adhesive comprises a photo-curable portion and a thermally-curable portion; and a second optical film comprising a photo-curable material bonded to the photo-curable portion of the adhesive, wherein the photo-curable portion of the adhesive is being bonded to the photo-curable material of the second optical film when the photo-curable portion of the adhesive is being cured and the thermally-curable portion of the adhesive has been cured.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: October 30, 2018
    Assignee: UBright Optronics Corporation
    Inventors: Lung-Pin Hsin, Yi-Long Tyan
  • Patent number: 10110885
    Abstract: On a surface of a screen, a first direction parallel to a virtual plane and a second direction orthogonal to the first direction are defined. A basic diffusion member of the screen diffuses and transmits each light ray at a first angle in a first plane parallel to the first direction, and diffuses and transmits the light ray at a second angle larger than the first angle in a second plane parallel to the second direction. An adjustment diffusion member of the screen diffuses and transmits each light ray at an adjustment angle larger than the first angle in the first plane. The basic diffusion member and the adjustment diffusion member are stacked on each other such that a diffusion angle of each light ray by the screen in the first plane is adjusted to a target angle larger than the adjustment angle.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: October 23, 2018
    Assignee: National Institute of Information andCommunications Technology
    Inventor: Shunsuke Yoshida
  • Patent number: 10067272
    Abstract: Provided is a display device including a substrate that has light transmissivity, a plurality of light shielding layers that is formed at a recurring period on one face of the substrate, and a light-diffusing unit that is formed in an area of the one face of the substrate except for the area where the light shielding layers are formed, in which the light-diffusing unit includes a light emitting end face on the substrate side and includes a light incident end face having an area larger than the area of the light emitting end face on the side opposite to the substrate side, the height of the light-diffusing unit from the light incident end face to the light emitting end face is greater than the thickness of the light shielding layer, and the periodic direction at which the light shielding layers are recurrently formed is non-parallel to the direction of a pixel pitch of a display body.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: September 4, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasushi Asaoka, Shohei Katsuta, Tsuyoshi Maeda, Tsuyoshi Kamada
  • Patent number: 10061074
    Abstract: A light directing apparatus is disclosed. The light directing apparatus includes light directing structures that are configured to receive light from a light emitting apparatus, a first plurality of spaces that separate the light directing structures in a first direction and a second plurality of spaces that separate the light directing structures in a second direction. A dimension of the first plurality of spaces and a dimension of the second plurality of spaces increases with distance from the light emitting apparatus.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: August 28, 2018
    Assignee: Pure Storage, Inc.
    Inventor: Peter Kirkpatrick
  • Patent number: 10054789
    Abstract: An optical lens module includes a lens assembly and a plastic barrel. The lens assembly includes a plurality of lens elements and is disposed in the plastic barrel. The plastic barrel includes an object-end portion, an image-end portion, an outer tube portion, an inner tube portion and at least one reflection reduction area. The image-end portion includes an image-end opening. The inner tube portion includes a plurality of parallel inner surfaces and a plurality of inclined inner surfaces, wherein the parallel inner surfaces are parallel to the central axis, and each of the inclined inner surfaces has an angle with the central axis. The reflection reduction area is disposed on one of the inclined inner surfaces closest to the image-end opening, wherein the reflection reduction area and the plastic barrel are integrally formed by an injection molding method.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: August 21, 2018
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin
  • Patent number: 9995861
    Abstract: Low loss, high reflectivity wide band mirror films provide a desired mix of specular reflection and diffuse reflection or scattering to provide semi-specular reflectivity. The mirror films generally include both a specularly reflective multilayer optical film (MOF) having a wide reflection band, and a scattering layer. In some cases a low refractive index TIR layer is sandwiched between the MOF and the scattering layer. In other cases the scattering layer contacts the MOF directly. In embodiments that include the TIR layer, the TIR layer preferably has a nanovoided morphology and includes a plurality of particles and a polymer binder. In embodiments wherein the scattering layer contacts the MOF directly, the scattering layer preferably also has a nanovoided morphology and includes a plurality of particles and a polymer binder.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: June 12, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: William D. Coggio, William B. Black, Michael F. Weber, Huiwen Tai
  • Patent number: 9971082
    Abstract: A display apparatus includes: a rectangular display panel, which includes a screen frontward thereof; an optical sheet having a rectangular shape, which is arranged rearward of the rectangular display panel; a light guide plate having a rectangular shape, which is arranged rearward of the optical sheet; a light source, which is arranged to face a side surface of the light guide plate; and a first close contact prevention layer provided on a surface, facing the optical sheet, of the light guide plate, wherein the first close contact prevention layer comprises a first binder and a plurality of first beads dispersed in the first binder, and the plurality of first beads form a plurality of first protrusions for preventing close contact with the optical sheet, at a surface of the first close contact prevention layer.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: May 15, 2018
    Assignee: Sakai Display Products Corporation
    Inventor: Daisuke Teragawa
  • Patent number: 9971165
    Abstract: A 3D display apparatus is disclosed and has a display panel, a collimating backlight module, a lens array and a curved diffuser array. The lens array is mounted on the display panel and has a plurality of lens units arranged in an array manner. The curved diffuser array is mounted between the display panel and the lens array and includes a plurality of curved diffuser plates arranged in an array manner. The positions of the curved diffuser plates correspond to the positions of lens units, respectively. The light of a two-dimensional image projected by the display panel first goes through a diffusion treatment provided by the curved diffuser array, and then passes through the lens array to reconstruct a 3d scene.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: May 15, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jianhong Chen
  • Patent number: 9946147
    Abstract: To provide a transmission-type transparent screen which is excellent in the see-through property for a scene on the other side of the transparent screen as viewed from an observer in a state where no image-forming light is projected from a projector and which is excellent in visibility of an image displayed on the transparent screen as viewed from the observer in a state where image-forming light is projected from the projector, as well as an image display system and an image display method, employing the transparent screen. A transmission-type transparent screen 1 which has a first surface A and a second surface B on the opposite side thereof and which has a light scattering layer 34 comprising a transparent resin 32 and a light scattering material 33, wherein the light scattering layer 34 further contains a light absorbing material, the haze is from 3 to 30%, the total light transmittance is from 15 to 95%, and the diffuse reflectance is from 0.1 to 2.4%.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: April 17, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Masamichi Ide, Yukihiro Tao, Kenta Sekikawa, Hitoshi Tsujimura, Yuriko Kaida
  • Patent number: 9939562
    Abstract: A diffuser plate, comprising: a substrate (4), wherein an upper surface of the substrate (4) comprises at least a first concave surface (42), a lower surface of the substrate (4) comprises at least a second concave surface (41); a first base layer (5) disposed on the upper surface of the substrate (4); a first scattering particle film layer (6) disposed on an upper surface of the first base layer (5); a second base layer (3) disposed on the lower surface of the substrate (4); and a second scattering particle film layer (2) disposed on a lower surface of the second base layer (3).
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: April 10, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Minghui Zhang
  • Patent number: 9911671
    Abstract: The present disclosure discloses an encapsulation system and an encapsulation method, the encapsulation system including a thickness detection unit, an output control unit and an energy output unit, the thickness detection unit being connected with the output control unit, and the output control unit being connected with the energy output unit. The thickness detection unit is configured to detect a thickness of an encapsulant at a to-be-heated location in a component to be encapsulated and generate corresponding thickness information. The output control unit is configured to generate corresponding output control information depending on the thickness information. The energy output unit is configured to output, depending on the output control information, to the encapsulant at the to-be-heated location energy for heating the encapsulant.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: March 6, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOTECHNOLOGY CO., LTD.
    Inventors: Jiuxia Yang, Feng Bai, Liang Zhang, Xu Chen, Ang Xiao
  • Patent number: 9904069
    Abstract: Embodiments described herein provide apparatus and methods for processing semiconductor substrates with uniform laser energy. A laser pulse or beam is directed to a spatial homogenizer, which may be a plurality of lenses arranged along a plane perpendicular to the optical path of the laser energy, an example being a microlens array. The spatially uniformized energy produced by the spatial homogenizer is then directed to a refractive medium that has a plurality of thicknesses. Each thickness of the plurality of thicknesses is different from the other thicknesses by at least the coherence length of the laser energy.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: February 27, 2018
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Stephen Moffatt
  • Patent number: 9904161
    Abstract: A lighting device includes at least one excitation radiation source designed to emit excitation radiation; a wavelength conversion arrangement, which is arranged in such a way that excitation radiation can be radiated onto a wavelength conversion element. The wavelength conversion element is designed to convert excitation radiation into conversion light. An unavoidable non-converted part of the excitation radiation is reflected by the wavelength conversion element. The device further includes a unit for collimating the excitation radiation to form at least one collimated excitation beam; a unit for directing the at least one collimated excitation beam onto the at least one wavelength conversion element; a unit, which is arranged between collimation optical unit and converging optical unit and has at least one region for reflecting that part of the at least one excitation beam which is not converted, but rather is reflected by the at least one wavelength conversion element.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: February 27, 2018
    Assignee: OSRAM GmbH
    Inventor: Sergey Khrushchev
  • Patent number: 9856021
    Abstract: An elongated lighting apparatus includes: a light source (linear light source); and an elongated optical component which transmits light emitted from the light source. The optical component has an elongated entrance surface where the light from the light source enters and an elongated exit surface where the light which has entered the entrance surface exits. The optical component includes light diffusers. Among the light diffusers, at least one of light diffusers disposed near a first end of the optical component diffuses the light from the light source, toward the first end side of the optical component more widely than (i) light diffusers disposed near a second end of the optical component do or (ii) light diffusers disposed near the center of the optical component do. The first and second ends, and the center of the optical component are in the longitudinal direction of the optical component.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: January 2, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Naotaka Hashimoto, Nobuyuki Matsui, Takashi Ohta
  • Patent number: 9841541
    Abstract: The present invention discloses a light redirecting film. The light redirecting film comprises a support substrate and an optical substrate. The support substrate comprises a unitary body, wherein the unitary body has a first surface and a second surface opposite to the first surface. The optical substrate has a third surface and a fourth surface opposite to the third surface, wherein the fourth surface is a structured surface, and the second surface of the unitary body faces the third surface of the optical substrate. A plurality of particles are disposed in a region below the first surface of the unitary body, wherein the thickness of the region is smaller than the thickness of the unitary body.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: December 12, 2017
    Assignee: UBright Optronics Corporation
    Inventors: Nan-I Liu, Han-Tsung Pan
  • Patent number: 9829611
    Abstract: An optical film may include a light diffusion portion including light scattering particles dispersed in a light transmissive media, and a light transmission portion including the light transmissive media. The light diffusion portion may be adjacent the light transmission portion.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk Jin Lee, Jang Seok Ma, Nam Seok Baik, Jung Hee Son, Sang Woo An, Gyeong Im Lee
  • Patent number: 9825258
    Abstract: A layered structure for an organic light-emitting diode (OLED) device, the layered structure including a light-transmissive substrate and an internal extraction layer formed on one side of the light-transmissive substrate, in which the internal extraction layer includes (1) a scattering area containing scattering elements composed of solid particles and pores, the solid particles having a density that decreases as it goes away from the interface with the light-transmissive substrate, and the pores having a density that increases as it goes away from the interface with the light-transmissive substrate, and (2) a free area where no scattering elements are present, formed from the surface of the internal extraction layer, which is opposite to the interface, to a predetermined depth.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: November 21, 2017
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Young Seong Lee, Jin Woo Han, Ji Woong Baek
  • Patent number: 9810818
    Abstract: An optical film comprises a supporting substrate and a structuralized layer integrally formed on the supporting layer and having a plurality of light-concentrating units including design that varies in height along their length or varies in pitch of prism structure to overcome the optical defects (wet-out) of the optical film and to enhance the optical properties of the optical film.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 7, 2017
    Assignee: UBright Optronics Corporation
    Inventors: Kong-Hua Wang, Ching-An Yang, Han-Tsung Pan
  • Patent number: 9810817
    Abstract: A light directing film includes a structured major surface with a plurality of microstructures extending along a first direction. Each microstructure has a first region and a second region different from the first region, a substantially constant height in the first region and a non-constant maximum height in the second region greater than the substantially constant height in the first region, and a same lateral cross sectional shape in the first region and the second region.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: November 7, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Alan B. Campbell, Dale L. Ehnes, John F. Van Derlofske, III, Mark R. Dupre, Stephen J. Dreyer, Patrick H. Marushin, Todd M. Johnson, Bryan V. Hunt
  • Patent number: 9804300
    Abstract: An antiglare film, including: a light transmissive substrate; and an antiglare layer that is disposed on a light transmissive substrate and includes a concavo-convex surface, wherein a surface of the antiglare film is a concavo-convex surface; the antiglare film has a total haze value of 0% or more and 5% or less; the antiglare film has an internal haze value of 0% or more and 5% or less; and assuming that a transmission image sharpness of the antiglare film, measured using an optical comb with a width of 0.125 mm, is C (0.125), and that a transmission image sharpness of the antiglare film, measured using an optical comb with a width of 0.25 mm, is C (0.25), an expression (1) and an expression (2) described below are satisfied: C(0.25)?C(0.125)?2%??(1); and C(0.125)?65%??(2).
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: October 31, 2017
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Junya Eguchi, Teppei Sotoda, Shoichiro Ogumi, Kousuke Matsuyama, Gen Furui
  • Patent number: 9798045
    Abstract: An antireflection film, comprising a film including: hollow particles; and a binder bonding the particles, wherein: the binder contains voids; and the binder contains 10 or less voids each having a cross-sectional area of 1,000 nm2 or more with respect to 1 ?m2 of a cross-sectional area of the binder. A method of producing the film, comprising: forming a paint into a film by applying the paint onto a substrate, the paint containing hollow particles, a binder, and a solvent, in which a content of the particles is 50-85 wt % and a content of the binder is 15-40 wt % with respect to a total weight of a solid content of the paint, and the paint has a viscosity of 1.3-2 mPa·s at its film-forming temperature; and drying the film.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: October 24, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masanobu Ogane
  • Patent number: 9778408
    Abstract: A backlight module includes a plurality of first light emitting elements and a light guiding plate including a first side, a second side and a light output side having microstructures at least disposed in a near-light region of the light guiding plate. The near-light region is defined as from a first line to a predetermined second line at the light output side. The microstructure has a width P and height H, the light-guiding plate has a thickness T, a pitch between the adjacent first light-emitting elements is defined as PLED, a projection distance from a luminance measuring line of the backlight module to the first light-emitting elements is defined as A. Under the conditions 0<A?120 mm, 0<[(H/P)/T]*PLED?15 and 0<luminance variation?100%, the structure characteristic of the backlight module is bounded by a first equation: A=0.2{[(H/P)/T]*PLED}2?2{[(H/P)/T]*PLED}+105 mm and a second equation: A=0.2{[(H/P)/T]*PLED}2?2{[(H/P)/T]*PLED}+0.1 mm.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: October 3, 2017
    Assignee: Innolux Corporation
    Inventors: Chi-Liang Chang, Chia-Wei Hu, Yen-Liang Chen, Chia-Feng Chen
  • Patent number: 9774012
    Abstract: An organic light-emitting component (100) is specified, which comprises a carrier (1) and an organic layering sequence (2) arranged on the carrier (1). The organic layering sequence (2) comprises at least two organic layers, wherein at least one of the organic layers is designed as an emitting layer (23). The emitting layer (23) emits light (200) of a first wavelength range, which has an intensity maximum at a first wavelength. Further, the organic light-emitting component (100) comprises an anode (3) and a cathode (4) which provide the electrical contacting of the organic layering sequence (2). Further, the organic light-emitting component (100) has at least one nanoparticle layer (20), wherein one nanoparticle layer (20) is an organic layer of the organic layering sequence (2) provided with first nanoparticles (5). The first nanoparticles (5) have a refractive index (nN) that is smaller than at least one refractive index of an organic material of one of the organic layers.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: September 26, 2017
    Assignee: OSRAM OLED GmbH
    Inventors: Arne Fleissner, Marc Philippens
  • Patent number: 9766377
    Abstract: A display device window includes a polymer blending resin layer and a light transmittance film disposed on the polymer blending resin layer. The polymer blending resin layer includes a continuous phase and a dispersion phase.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: September 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jong-Hwan Cho
  • Patent number: 9763288
    Abstract: An EL panel including: a light-transmissive substrate; an EL element including a light-emitting medium layer interposed between a cathode and an anode, the EL element being provided on one surface of the light-transmissive substrate; and a protection sheet on the other surface of the light-transmissive substrate of the EL element. The protection sheet has a surface opposite to the light-transmissive substrate, the shape of the surface includes rounded convex shapes and prism shapes. Each of the rounded shapes has an apex that is a center point of a cross-section farthest from a bottom surface where the cross-section is parallel to the bottom surface of the unit convex shape and the area becomes smaller in a direction from the bottom surface of the rounded convex shape to a top portion thereof.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: September 12, 2017
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Kohhei Moronaga, Hideaki Homma, Akihito Kagotani
  • Patent number: 9753191
    Abstract: Provided are a light diffusion film having a single-layered light diffusion layer, in which the uniformity of the intensity of diffused light in the light diffusion angle region can be increased, or the light diffusion angle region can be expanded effectively, by regulating the combination of the angles of inclination of pillar-shaped objects in plural columnar structure regions, and a method for manufacturing a light diffusion film. Disclosed is a light diffusion film having a single-layered light diffusion layer, the light diffusion film having a first columnar structure region and a second columnar structure region, in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a region having a relatively low refractive index, sequentially from the lower part of the film along the film plane.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: September 5, 2017
    Assignee: LINTEC Corporation
    Inventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi
  • Patent number: 9756707
    Abstract: Electric lighting devices are described that utilize three or more light sources to generate a flickering flame effect. The light sources can emit light at different colors to more closely simulate the look of a flame. A projection system having a matrix of LEDs could be used to project an image of a flame on to a projection surface without the need or cost associated with a traditional or pico projector.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: September 5, 2017
    Assignee: Luminara Worldwide LLC
    Inventors: Douglas Patton, Eric Ford
  • Patent number: 9726789
    Abstract: An optical sheet includes a transparent substrate. The optical sheet further includes light-scattering elements randomly and nonperiodically distributed in the transparent substrate. Each light-scattering element of the light scattering elements includes a binding-material member and light-scattering particles dispersed in the binding-material member. A weight percent calculated from dividing a total weight of light-scattering particles of the light-scattering elements by a total weight of the light-scattering elements is in a range of 5 wt % to 40 wt %.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: August 8, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Ik Lim, Won-Sang Park