Global to push GA events into
skip to main content

Title: Extraction film for optical waveguide and method of producing same

An optical waveguide includes a waveguide body and a film disposed on a surface of the waveguide body. The film includes a base and a plurality of undercut light extraction elements disposed between the base and the surface.
Inventors:
;
Issue Date:
OSTI Identifier:
1357502
Assignee:
Cree, Inc. DOEEE
Patent Number(s):
9,651,740
Application Number:
14/471,991
Contract Number:
EE0006264
Resource Relation:
Patent File Date: 2014 Aug 28
Research Org:
Cree, Inc. Durham, NC (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Other works cited in this record:

Apparatus for Sterilizing Milk, &c.
patent, November 1898

Elevator
patent, August 1904

Vehicle Wheel
patent, June 1936

Fiber Optical Devices
patent, July 1961

Area light
patent, December 1988

Lighting device
patent, April 1990

Thin panel illuminator
patent, April 1991

Light pipe having optimized cross-section
patent, May 1994

Backlighting apparatus employing an array of microprisms
patent, March 1995

Illumination system employing an array of microprisms
patent, June 1995

Process for making an array of tapered photopolymerized waveguides
patent, October 1995

Direct view display device with array of tapered waveguide on viewer side
patent, January 1996

Light guiding plate
patent, April 1996

Illumination system employing an array of microprisms
patent, May 1996

Polarizer with an array of tapered waveguides
patent, May 1996

Illumination system employing an array of microprisms
patent, September 1996

Backlight assembly for improved illumination employing tapered optical elements
patent, January 1997

Integral joint and mounting assembly for suspended linear structures
patent, April 1997

Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein
patent, August 1997

Light directing film having variable height structured surface and light directing article constructed therefrom
patent, June 1998

Back-coupled illumination system with light recycling
patent, November 1998

Luminous decorative device
patent, December 1999

Planar light source unit
patent, October 2000

Lightguide
patent, July 2001

Light emitting panel assemblies
patent, March 2004

Reflection-type projection screens
patent, April 2004

Light redirecting films and film systems
patent, June 2004

Indicator light comprising an optical piece fulfilling an indicating function autonomously
patent, June 2004

Illumination device
patent, December 2005

Light-guiding plate, lighting device and display device
patent, December 2005

Front light having a plurality of prism-shaped lenses
patent, February 2006

Illumination device for simulating neon or fluorescent lighting including a waveguide and a scattering cap
patent, March 2006

Multifunctional optical assembly
patent, March 2006

Vehicle lamp
patent, April 2006

Method of selecting a light redirecting film
patent, August 2006

Luminaire device that restricts light within an angular envelope
patent, February 2007

System and method for manipulating illumination created by an array of light emitting devices
patent, February 2007

Surface illuminator using point light source
patent, May 2007

Vehicle lamp and method of use
patent, November 2007

Light guide plate having micro-reflectors
patent, January 2008

Optical film having a surface with rounded structures
patent, August 2008

Light guide structure and keypad having the same
patent, November 2008

Optical plate and backlight module using the same
patent, December 2009

Light mixer and backlight module having the same
patent, February 2010

Optical plate and backlight module using the same
patent, February 2010

Optical plate and backlight module using the same
patent, February 2010

Optical plate and backlight module using the same
patent, April 2010

Semiconductor device and manufacturing method thereof
patent, April 2010

Efficient emitting LED package and method for efficiently emitting light
patent, April 2010

Drilling wellbores with optimal physical drill string conditions
patent, June 2010

LED light fixture with uninterruptible power supply
patent, August 2010

Vehicular lamp
patent, August 2010

Optical plate and backlight module using the same
patent, October 2010

Multilayered integrated backlight illumination assembly
patent, December 2010

Lighting system for creating an illuminated surface
patent, March 2011

Light redirecting film systems having pattern of variable optical elements
patent, March 2011

Light diffusion film and planar light source element and liquid crystal display device utilizing the same
patent, June 2011

Backlight module with light source holder and liquid crystal display using the same
patent, October 2011

Lightguide comprising a low refractive index region
patent, October 2011

Light control device exhibiting batwing luminous intensity distributions in upper and lower hemispheres
patent, November 2011

Light guide plates and backlight module
patent, November 2011

Illumination device with built-in light coupler
patent, November 2011

Light guide plates and backlight module
patent, December 2011

Light redirecting films and film systems
patent, January 2012

Backlight including semiconductior light emitting devices
patent, July 2012

NiMnZn based ferrite
patent, October 2012

Quinazolines useful as modulators of ion channels
patent, October 2012

Backlight unit and liquid crystal display device including the same
patent, October 2012

LED light engine apparatus
patent, November 2012

Thin illumination system
patent, January 2013

Optical devices for guiding illumination
patent, February 2013

Multi-layer light guide apparatus
patent, February 2013

LED luminaire
patent, February 2013

Electronic devices with yielding substrates
patent, February 2013

Lighting device
patent, July 2013

Remote ballast housing with airflow channel
patent, August 2013

Side-emitting optical coupling device
patent, September 2013

Complex primary optics with intermediate elements
patent, October 2013

Backlight module and light guide plate thereof
patent, November 2013

Lamp
patent, December 2013

Optical element and light-emitting device
patent, December 2013

LED light engine apparatus
patent, December 2013

Portion of a lamp
patent, April 2014

Low profile lamp using TIR lens
patent, April 2014

Lighting fixture unit
patent, April 2014

Planar lighting device
patent, June 2014

Light bulb with omnidirectional output
patent, June 2014

Arcuate lightguide and light emitting device comprising the same
patent, June 2014

Optical arrangement with a light transmitting layer arranged to cover a portion of light entry surface of light guide and to transmit light diffusively
patent, July 2014

Backlight unit and display device having the same
patent, July 2014

Illumination systems providing direct and indirect illumination
patent, September 2014

Display apparatus and lighting window
patent, October 2014

Spline lamp with opposing light source orientation
patent, February 2015

Optical element and backlight module incorporating the same
patent, February 2015

Spline optic and lighting device
patent, February 2015

Lighting fixture for distributed control
patent, March 2015

Lighting system with improved illumination distribution
patent, June 2015

Illumination devices including multiple light emitting elements
patent, July 2015

Retroreflective articles and devices having viscoelastic lightguide
patent, July 2015

Electronic devices with yielding substrates
patent, February 2016

Illumination Apparatus And Film
patent-application, September 2007

Illumination Apparatus And Film
patent-application, September 2007

Edge-Type Backlight Module And Manufacturing Method Thereof
patent-application, December 2007

Modular LED Lighting Fixture
patent-application, January 2008

Light guides and backlight systems incorporating light redirectors at varying densities
patent-application, April 2008

Lighting Device
patent-application, September 2010

Saturated Yellow Phosphor Converted LED And Blue Converted Red LED
patent-application, October 2010

Lighting Devices With Discrete Lumiphor-Bearing Regions On Remote Surfaces Thereof
patent-application, December 2010

Backlight Systems For Liquid Crystal Displays
patent-application, December 2010

Thin Illumination System
patent-application, December 2010

LED Luminaire
patent-application, January 2011

Light Emitting Devices And Applications Thereof
patent-application, January 2011

Ceiling Mount LED Lamp
patent-application, March 2011

Integral Heat Sink And Housing Light Emitting Diode Assembly
patent-application, May 2011

Lighting Control System For A Plurality Of Luminaires
patent-application, August 2011

High Reflective Substrate Of Light Emitting Devices With Improved Light Outpput
patent-application, October 2011

Illumination Device Comprising A Film-Based Lightguide
patent-application, October 2011

Illumination Apparatus
patent-application, January 2012

LED Lighting Device
patent-application, January 2012

Control Device For Positioning An Instrumented Cable Towed In Water
patent-application, February 2012

Light Converting Optical Structure And Lighting Device Utilizing The Same
patent-application, March 2012

Direct-lit light guiding structure, direct-lit light guiding panel and lighting device
patent-application, March 2012

Linear Illumination Devices
patent-application, March 2012

Interlocking System For Hanging Decorative Lights And Fixtures
patent-application, March 2012

Troffer-Style Optical Assembly
patent-application, June 2012

Optical Constructions Incorporating A Light Guide And Low Refractive Index Films
patent-application, November 2012

LED Lighting Apparatus With Reflectors
patent-application, December 2012

Reverse Total Internal Reflection Features In Linear Profile For Lighting Applications
patent-application, January 2013

light mixing module, and a luminaire comprising such a light mixing module
patent-application, January 2013

Practical Silicon Photonic Multi-Function Integrated-Optic Chip For Fiber Sensor Applications
patent-application, January 2013

LED Light Engine Apparatus
patent-application, February 2013

Illumination Devices Including Multiple Light Emitting Elements
patent-application, February 2013

Light Emitting Diode Driver with Isolated Control Circuits
patent-application, November 2013

Method for the Design of Uniform Waveguide Light Extraction
patent-application, November 2013

LED Package with Multiple Element Light Source and Encapsulant Having Planar Surfaces
patent-application, December 2013

Free form lighting module
patent-application, December 2013

Light Emitting Device with Adjustable Light Output Profile
patent-application, February 2014

Simplified Low Profile Module with Light Guide for Pendant, Surface Mount, Wall Mount and Stand Alone Luminaires
patent-application, July 2014

Luminaires Using Waveguide Bodies and Optical Elements
patent-application, July 2014

Optical Waveguide and Lamp Including Same
patent-application, July 2014

Optical Waveguide and Luminaire Incorporating Same
patent-application, July 2014

Consolidated Troffer
patent-application, July 2014

Optical Waveguide and Lamp Including Same
patent-application, July 2014

Optical Waveguides and Luminaires Incorporating Same
patent-application, July 2014

Waveguide Bodies Including Redirection Features and Methods of Producing Same
patent-application, July 2014

Optical Waveguide Assembly and Light Engine Including Same
patent-application, July 2014

Optical Waveguide and Luminaire Incorporating Same
patent-application, July 2014

Optical Waveguides
patent-application, July 2014

Multi-Layer Polymeric Lens and Unitary Optic Member for LED Light Fixtures and Method of Manufacture
patent-application, September 2014

Shaped Optical Waveguide Bodies
patent-application, September 2014

Transparent Waveguide Diffuser for Lighting and Methods of Manufacturing Transparent Waveguide Diffuser
patent-application, September 2014

Optical Waveguide Body
patent-application, September 2014

Optical Waveguide Bodies and Luminaires Utilizing Same
patent-application, November 2014

Optical Components for Luminaire
patent-application, December 2014

Outdoor and/or Enclosed Structure LED Luminaire for General Illumination Applications, Such as Parking Lots and Structures
patent-application, December 2014

Waveguide Having Unidirectional Illuminance
patent-application, February 2015

Luminaires Utilizing Edge Coupling
patent-application, February 2015

Luminaire with Selectable Luminous Intensity Pattern
patent-application, February 2015

Outdoor and/or Enclosed Structure LED Luminaire
patent-application, April 2015

Similar records in DOepatents and OSTI.GOV collections: