Diffusing Of Incident Light Patents (Class 359/599)
  • Patent number: 11175016
    Abstract: A planar illumination device includes a light source substrate, a lens, a diffuser, and a spacer. The light source substrate includes a plurality of light-emitting devices two-dimensionally arrayed thereon. The lens receives light emitted from the light source substrate. The diffuser receives light emitted from the lens. The spacer is integrated with the diffuser and disposed between the lens and the diffuser.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: November 16, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Suguru Mukumoto, Tomoaki Morishita, Ginga Ito
  • Patent number: 11099301
    Abstract: An exemplary embodiment provides a display device including: a display panel; and an anti-reflective layer configured to overlap the display panel, wherein the anti-reflective layer includes: a nano-pattern layer configured to include a plurality of nanostructures; and a low-refraction layer configured to cover the nanostructures, wherein the nanostructures are irregularly disposed.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: August 24, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Ho Lim
  • Patent number: 11089291
    Abstract: A detection method for an image acquisition device, a detection device for an image acquisition device, an electronic device and a computer readable storage medium are disclosed. The image acquisition device includes a light source and a diffuser, the diffuser is configured to scatter light emitted by the light source and the light emitted by the light source is irradiated on at least partial area of a scene, the image acquisition device includes: acquiring an image of the scene; determining an effective area of the image; and determining whether or not the diffuser is in an abnormal working state according to information of the effective area.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: August 10, 2021
    Assignee: BEIJING KUANGSHI TECHNOLOGY CO., LTD.
    Inventors: Haibin Huang, Jue Wang
  • Patent number: 11086066
    Abstract: The present invention provides an integrated optical sheet module where an optical sheet is integrally formed without a diffusion sheet, a condensing sheet and a reflective polarizing sheet thereby reducing the overall thickness and improving the viewing angle, so that a manufacturing process can be simplified and significantly improve the left to right viewing angle while minimizing the brightness drop by forming the first base film having the viewing angle improvement component on the bottom surface with a haze characteristic.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 10, 2021
    Assignee: LMS CO., LTD
    Inventors: Jee Hong Min, Se Jin Oh, Dong Cheol Lee, Woo Jong Lee, Jin Yeon Choi, Min Ho Kim, Du Yi Kim
  • Patent number: 11029544
    Abstract: A display device including a first substrate, a pixel disposed on the first substrate and including first, second and third sub-pixel electrodes adjacent to each other, a second substrate spaced from the first substrate, a color conversion layer disposed on the second substrate and with a first wavelength conversion layer overlapping with the first sub pixel electrode and a second wavelength conversion layer overlapping with the second sub pixel electrode, a transmissive layer including a first sub-transmissive layer overlapping with the third sub-pixel electrode and a second sub-transmissive layer disposed between the first wavelength conversion layer and the second wavelength conversion layer, and a planarization layer disposed on the color conversion layer and the transmissive layer. Methods of manufacturing display devices having a flatter, planarization layer with reduced variations in thickness also is disclosed.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: June 8, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon
  • Patent number: 11009215
    Abstract: An illuminator including a plurality of light emitting elements and a lens having a concave cylindrical first optical surface and a second optical surface, such that a thickness between the first and second optical surfaces is non-uniform along first and second orthogonal directions.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: May 18, 2021
    Assignee: Obelux Oy
    Inventor: Vesa Laakso
  • Patent number: 10972696
    Abstract: A reflective cover for a flat panel display includes a surface which is both reflective and transmissive. The cover includes a perimeter frame which is configured to couple to the surface around a perimeter of the surface. The perimeter frame further includes an engagement device. The engagement device is attached to the perimeter frame. The engagement device is configured to engage with a mounting bracket. A blackout shroud is coupled to the perimeter frame to form an opening. The opening is sized so that during mounting, the flat panel display is inserted into the opening and the engagement device engages with the mounting bracket. In operation, when the flat panel display is in an on state images displayed thereon are visible through the surface and when the flat panel display is in an off state a reflection is provided from the surface.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: April 6, 2021
    Assignee: ELECTRIC MIRROR, LLC
    Inventors: James V. Mischel, Jr., Thomas A Horst
  • Patent number: 10942387
    Abstract: An object of the present invention is to provide an optical laminate that can achieve an excellent reflection hue and an excellent viewing angle characteristic. An optical laminate of the present invention includes a polarizer; a retardation layer configured to substantially function as a ?/4 plate; and a light-diffusing layer. The polarizer has a hue a of from ?1.2 to 0 and a hue b of from 0 to 3.0.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: March 9, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takehito Fuchida, Katsunori Takada, Yoshitsugu Kitamura
  • Patent number: 10944191
    Abstract: An electric packaging including a board and a mechanical component attached to the board. The mechanical component includes a first end attached to the board, a second end opposite the first end, and a seat interposed between the first end and the second end. The mechanical component also includes an upper portion extending from the second end to the seat, the upper portion having a first width and a lower portion extending from the seat to the first end. The lower portion having a second width that is less than the first width. The electric packaging also includes a connector attached to the board. The connector includes a first surface attached to the board and a second surface located opposite the first surface. The second surface includes a plug connection area sized to receive a plug and located completely radially outside of the first width.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: March 9, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Mark Plucinski, Phillip V. Mann, Sandra J. Shirk/Heath, Tyler Jandt
  • Patent number: 10906476
    Abstract: A vehicle trim part having a layered, decorative finish is provided. The part includes a polymeric substrate, a decorative layer overlying the polymeric substrate and a light-transmissive, protective layer overlying and protecting the decorative layer. The protective layer includes a front surface and a rear surface having a surface portion with a translucent surface finish. The decorative layer has an opening extending from a rear surface of the decorative layer to a front surface of the decorative layer and aligned with the translucent surface finish. Both a cross section of the opening at the front surface of the decorative layer and the translucent surface finish are sized and shaped to form a light pattern which is visible at the front of the part when artificial lighting illuminates the translucent surface finish from the rear of the part.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: February 2, 2021
    Assignee: Global IP Holdings, LLC
    Inventors: Darius J. Preisler, Christopher A. Heikkila
  • Patent number: 10890697
    Abstract: Provided are a composite optical sheet and a liquid crystal display device including the same.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 12, 2021
    Inventors: Young Min Park, Do Hun Kim, Hyun Hyang Kim, Ji Eun Nam, Taek Sun Shin
  • Patent number: 10843497
    Abstract: The present invention relates to a plate with a printed layer containing: a bent plate with a bent portion, including a first main surface, a second main surface and an end surface, and a printed layer formed on the first main surface, in which the printed layer has an average value (average OD value) of optical density (OD values) in visible light in a plane being 4 or more.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: November 24, 2020
    Assignee: AGC Inc.
    Inventors: Jun Minamidate, Toru Ikeda, Yosuke Takeda, Azusa Takai
  • Patent number: 10845025
    Abstract: A lighting assembly includes at least two LED elements arranged at a distance from each other. A diffusor element extends over the LED lighting elements. The diffusor element comprises first diffusion portions arranged in front of the LED lighting elements and second diffusion portions arranged in between the first diffusion portions. The first diffusion portions are disposed to cause a stronger optical diffusion than the second diffusion portions, thereby providing a more homogeneous appearance of light emitted from the diffusor element.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 24, 2020
    Assignee: LUMILEDS LLC
    Inventors: Floris Maria Hermansz Crompvoets, Christian Kleijnen, Ralph Hubert Peters, Adam Lind, Rob Bastiaan Maria Einig
  • Patent number: 10823896
    Abstract: A film applied to a display, a display, and a terminal, where the film includes a film body and a plurality of rectilinear protrusions, the rectilinear protrusions are distributed on a surface of the film body, and neighboring rectilinear protrusions are parallel to each other. When the film is adhered to a rear surface of a cover glass, a sense of layering and transparency of the cover glass can be enhanced, thereby effectively improving a display effect of the display.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: November 3, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Meng Li, Huie Wang
  • Patent number: 10823906
    Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: November 3, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hong Chan Jeon, Hong Mo Koo, Mi Jung Yun, Dong Kyu Oh, Seul Ah Lee, Byoung Chul Park
  • Patent number: 10802179
    Abstract: A coated article may comprise a substrate and an optical coating. The substrate may have a major surface comprising a first portion and a second portion. A first direction that is normal to the first portion of the major surface may not be equal to a second direction that is normal to the second portion of the major surface. The optical coating may be disposed on at least the first portion and the second portion of the major surface. The coated article may exhibit at the first portion of the substrate and at the second portion of the substrate hardness of about 8 GPa or greater at an indentation depth of about 50 nm or greater as measured on the anti-reflective surface by a Berkovich Indenter Hardness Test.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: October 13, 2020
    Assignee: Corning Incorporated
    Inventors: Robert Alan Bellman, Shandon Dee Hart, Karl William Koch, III, Charles Andrew Paulson, James Joseph Price, Carlo Anthony Kosik Williams
  • Patent number: 10787384
    Abstract: A glass sheet comprising at least one etched surface having a surface roughness defined, when measured on an evaluation length of 2 mm and with a Gaussian filter of which the cut-off wavelength is 0.8 mm, by 0.02?Ra?0.4 microns and 5?RSm?30 microns. The glass sheet has excellent anti-sparkling properties together with an anti-glare effect. The texturing of the glass sheet may obtained by the process of carrying the glass sheet horizontally on a conveyor, pre-treating the surface to remove defects that may prevent subsequent uniform etching, etching the surface with aqueous solution containing hydrofluoric acid spread in an uniform layer over the surface of the sheet, maintaining the etching solution until the etching is ended, and drying the etched sheet.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: September 29, 2020
    Assignees: AGC GLASS EUROPE, AGC INC.
    Inventors: Fabrice Sinapi, Eugenie Peyroux
  • Patent number: 10782561
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: September 22, 2020
    Assignee: Sony Corporation
    Inventors: Mitsuhiro Kawase, Yohei Takakuwa, Roger Corn
  • Patent number: 10768480
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is configured to convert the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Se-Hyun Park, Min-Jae Kang, Ji-Su Yoon, Kyu-Hwan Lee
  • Patent number: 10746355
    Abstract: Provided is a lighting device that converts an exiting light into a stereoscopic light having a sense of depth or a sense of volume, whereby light images having stereoscopic effects can be implemented using light emitted from a light-emitting device and simultaneously, a structure of a printed circuit board (PCB) located at a lower portion of a light passage portion is eliminated and a direct-type light-emitting device located at sides of the light passage portion and having high versatility is used such that flexibility of the light passage portion is attained and a degree of freedom of a design can be enhanced.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 18, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eay Jin Lim, Jae Hyuk Jang, Hyun Duck Yang
  • Patent number: 10747052
    Abstract: A backlight module is disclosed. The backlight module includes a diffuser plate and a light source assembly. The diffuser plate is configured for diffusing light emitted by the light source assembly, and the diffuser plate includes a light entrance surface, the light entrance surface being fitted to a light exit surface of the light source assembly. A manufacturing method of the backlight module and a display device are further disclosed. The display device includes the backlight module.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: August 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Yuxin Zhang
  • Patent number: 10739546
    Abstract: The present disclosure provides an imaging lens. The imaging lens includes a lens barrel with an accommodation space; a lens group located in the accommodation space and connected with the lens barrels; and a shading board positioned between two adjacent lenses. The lens barrel includes a first cylinder wall with an optical aperture and a second cylinder wall bending and extending from the first cylinder wall. The first cylinder wall and the second cylinder wall enclose and form the accommodation space. The shading board includes a side wall close to the second cylinder wall, an object side surface adjacent to an object side, an image side surface close to an image side, a connecting surface extending from the object side surface to the connecting surface, and a cambered Lambertian surface disposed on the connecting surface.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 11, 2020
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Jia Wan
  • Patent number: 10732329
    Abstract: To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 ?m; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 4, 2020
    Assignee: AGC Inc.
    Inventors: Yuko Tachibana, Yukihiro Tao, Kenta Sekikawa
  • Patent number: 10705331
    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: July 16, 2018
    Date of Patent: July 7, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin
  • Patent number: 10698138
    Abstract: A diffuser including opposing structured first and second major surfaces is described. The first major surface includes a first plurality of surface structures providing a uniform first haze. The second major surface includes a first portion adjacent an edge and a second portion adjacent the first portion. The first portion includes a first region and a second region between the first region and the second portion. The second major surface includes a second plurality of surface structures providing a uniform second haze over the second portion and providing a third haze in the first portion. The third haze in the first region is higher than the second haze, and the third haze in the second region is monotonically decreasing. The second portion has a surface area of at least 90 percent of a surface area of the second major surface.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: June 30, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gary T. Boyd, Tri D. Pham, Nicholas A. Johnson, Oanh V. Pham, Sara S. Merritt, Stephen J. Etzkorn, Haiyan Zhang, Corey D. Balts, Joseph T. Aronson
  • Patent number: 10663648
    Abstract: A display apparatus includes: a display panel; and a backlight configured to supply light to the display panel, wherein the backlight includes a light source configured to emit light; and a light guide plate provided on a rear side of the display panel and configured to guide the light emitted by the light source toward to the display panel; and a plurality of optical sheets provided between the light guide plate and the display panel, an optical sheet of the plurality of optical sheets being attached to a front surface of the light guide plate.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Mo Yoo, Joon Seok Ahn, Kye Hoon Lee
  • Patent number: 10649132
    Abstract: A diffusion sheet, a backlight module and a double-sided display device are provided. A transflective layer is provided on one surface of a substrate layer. On one hand, a portion of the light incident from an opposite side of the substrate layer is transmitted to a first display panel via the diffusion sheet; on the other hand, another portion of the light is reflected back to the light guide plate and enters a second display panel on another side of the double-sided backlight module.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 12, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE SPECIAL DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xing Zhao
  • Patent number: 10644253
    Abstract: An organic light-emitting diode (OLED) display device includes a substrate; a light-emitting diode including a first electrode, an organic emitting layer and a second electrode and disposed on a first side of the substrate; and a foamed polymer layer disposed on a second side of the substrate and including a polymer resin and an air pocket inside the polymer resin.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: May 5, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mi-Kyung Park, Young-Wook Kim, Ji-Su Han
  • Patent number: 10620478
    Abstract: A photoluminescent display device includes a blue light source and a photoluminescent display panel adjoining the blue light source. The photoluminescent display panel includes a transparent substrate, a color filter structure and a photoluminescent structure. The color filter structure includes a red pixel region, a green pixel region and a blue pixel region arranged adjacent to one another on the transparent substrate. The photoluminescent structure, which is disposed on the color filter structure and is facing toward the blue light source, includes a red light-conversion layer and a green light-conversion layer, wherein the red light-conversion layer is disposed on the green light-conversion layer.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: April 14, 2020
    Assignee: Maven Optronics CO., LTD.
    Inventor: Chieh Chen
  • Patent number: 10598931
    Abstract: Disclosed are a laser light source device for a head-up display and a head-up display system using the same, the laser light source device for the head-up display including a plurality of light sources which emit laser light and a condensing unit which condenses the laser light emitted from the light sources, is connected to an image forming unit that generates an image for displaying information on a vehicle operation using the laser light, and provides the condensed laser light to the image forming unit. The laser light source device for the head-up display according to the present disclosure and the head-up display system using the same have advantages that optical alignment is not easily destroyed even under harsh operating environment such as a vehicle where considerable vibration and temperature change are introduced, because the whole part of the condensing unit is optically connected by the optical fibers with a high stability on the contrary to a conventional bulk-optic based system.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: March 24, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Nan Ei Yu, Bok Hyeon Kim
  • Patent number: 10590299
    Abstract: A paint and an adhesive composition of the present invention containing (a) a vinyl ester resin or unsaturated polyester resin by 20 to 40 mass %, (b) a modifying agent by 0.1 to 50 mass %, (c) a vinyl monomer and/or (meth)acrylate monomer by 30 to 70 mass % (provided that the total of the components (a), (b) and (c) is 100 mass %) and (d) an initiator by 0.1 to 15 parts by mass to a total of 100 parts by mass of the components (a), (b) and (c).
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: March 17, 2020
    Assignees: RIKEN TECHNOS CORP., BASF SE
    Inventors: Michihisa Tasaka, Hiroyasu Kanno
  • Patent number: 10578775
    Abstract: A film structural member includes a recessed portion on a transparent substrate, metal wiring on a base of the recessed portion, and a particle layer on the metal wiring. The particle layer is configured as an aggregate of particles having an average particle diameter of 300 nm or smaller.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: March 3, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Keitaro Fujii, Teppei Iwase, Yuji Yamamoto, Nobuyuki Kamikihara
  • Patent number: 10571776
    Abstract: The invention provides a dome cover for a camera and a camera with a cover that can effectively acquire an image in which a visually-recognizable range is wide and blurring is suppressed and that are durable. In one aspect of the invention, a dome cover (10) for a camera includes a curved section (11) of which a front surface and a back surface have a spherical shape; a skirt section (12) of which a front surface and a back surface have a cylinder shape; and a light-shielding part (15) that shields a part or whole of at least one of light that is incident from the skirt section (12) and is emitted from the curved section (11) or light that is incident from the curved section (11) and is emitted from the skirt section (12). The curved section (11) and the skirt section (12) are integrally molded.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: February 25, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Yasunobu Kishine
  • Patent number: 10558248
    Abstract: A drive latch apparatus may include a light pipe that transmits light across a distance. The apparatus may also include a light source coupled to a distal end of the light pipe. In addition, the apparatus may include a latch dimensioned to secure a hard drive to a chassis and coupled to a proximal end of the light pipe such that the light from the light source is transmitted to the latch and the latch refracts the light from the light source to emit a visible glow. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: September 9, 2017
    Date of Patent: February 11, 2020
    Assignee: Facebook, Inc.
    Inventor: Jason David Adrian
  • Patent number: 10557973
    Abstract: Brightness enhancing films with embedded diffusers are described. More specifically, films including a birefringent substrate, a prismatic layer carried by the substrate having linear prisms, and an embedded structured surface disposed between the substrate and the prismatic layer are disclosed. The embedded structured surface may include closely-packed structures. Processes for producing embedded structured surfaces having particular topographies are also disclosed.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: February 11, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gary T. Boyd, Steven H. Kong, Tri D. Pham, Qingbing Wang
  • Patent number: 10545267
    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: January 4, 2019
    Date of Patent: January 28, 2020
    Assignee: LINTEC Corporation
    Inventors: Kentaro Kusama, Baku Katagiri, Kenta Tomioka, Tomoo Orui, Satoru Shoshi
  • Patent number: 10459122
    Abstract: Disclosed are a manufacturing method of an anti glare layer and a display panel. The method comprises: preparing a spray solution comprising sprayed particles, each having a shell structure; spraying the spray solution uniformly onto the glass substrate by a spraying device to form an arrangement structure on the glass substrate; spraying an acidic liquid on the arrangement structure to remove the shell structures of the sprayed particles each having the shell structure to form gaps among the spray particles; implementing an annealing treatment to the sprayed particles to form the anti glare layer. Thus, the light diffraction effect can be reduce or even eliminated to improve the picture quality of the display for promoting the comfort of the user viewing.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: October 29, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Yong Yang
  • 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: 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: 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: 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: 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: 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: 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: RE48690
    Abstract: Provided is a light unit including a plurality of LED light sources formed on a PCB, a resin layer stacked on the PCB to diffuse and guide emitted light forwards, and a diffusion plate having an optical pattern printed thereon to shield light emitted from the LED light sources. The optical pattern is composed of a diffusion pattern implemented as at least one layer, or a combination of the diffusion pattern layer and a light shielding pattern. The light unit forms an optical pattern for shielding or diffusing light on a surface of a light diffusion plate of the back-light unit, and combines a diffusion pattern and a metal pattern to attain uniformity of light and realize a yellow-light shielding effect, thus leading to a reliable light quality.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: August 17, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Ho Park, Woo Young Chang, Chul Hong Kim, Byoung Eon Lee