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1. WO2013152256 - METHODS AND APPARATUS FOR PROVIDING DISPLAY COMPONENTS

Publication Number WO/2013/152256
Publication Date 10.10.2013
International Application No. PCT/US2013/035371
International Filing Date 05.04.2013
IPC
G02B 5/02 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
G02F 1/13357 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
13357Illuminating devices
G02B 26/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating or modulating
CPC
G02B 5/0226
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
0205characterised by the diffusing properties
021the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
0226having particles on the surface
G02B 5/0242
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
0205characterised by the diffusing properties
0236the diffusion taking place within the volume of the element
0242by means of dispersed particles
G02B 5/0278
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
0273characterized by the use
0278used in transmission
G02B 6/0028
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0013Means for improving the coupling-in of light from the light source into the light guide
0023provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
0028Light guide, e.g. taper
G02B 6/0031
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0013Means for improving the coupling-in of light from the light source into the light guide
0023provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
0031Reflecting element, sheet or layer
G02B 6/0043
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
0035provided on the surface of the light guide or in the bulk of it
004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
0043provided on the surface of the light guide
Applicants
  • CORNING INCORPORATED [US]/[US]
Inventors
  • BAKER, David, Eugene
  • ETIENNE, Michael
  • LOGUNOV, Stephan, Lvovich
  • NOLAN, Daniel, Aloysius
  • SENARATNE, Wageesha
  • ZENTENO, Luis, Alberto
Agents
  • BEALL, Thomas, R
Priority Data
61/620,67705.04.2012US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND APPARATUS FOR PROVIDING DISPLAY COMPONENTS
(FR) PROCÉDÉS ET APPAREIL POUR LA FOURNITURE DE COMPOSANTS D'AFFICHAGE
Abstract
(EN)
Methods and apparatus for providing one or more components for a display system, particularly for producing diffused light.
(FR)
L'invention concerne des procédés et un appareil pour la fourniture d'un ou plusieurs composants pour un système d'affichage, en particulier pour produire une lumière diffuse.
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