CA2916836C - Numerical approaches for free-form lensing: area parameterization free-form lensing - Google Patents

Numerical approaches for free-form lensing: area parameterization free-form lensing Download PDF

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Publication number
CA2916836C
CA2916836C CA2916836A CA2916836A CA2916836C CA 2916836 C CA2916836 C CA 2916836C CA 2916836 A CA2916836 A CA 2916836A CA 2916836 A CA2916836 A CA 2916836A CA 2916836 C CA2916836 C CA 2916836C
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Prior art keywords
source
regions
light
display
phase
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CA2916836A
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English (en)
French (fr)
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CA2916836A1 (en
Inventor
Gerwin Damberg
Anders Ballestad
Raveen Kumaran
James Gregson
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MTT Innovation Inc
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MTT Innovation Inc
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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/312—Driving therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/312—Driving therefor
    • H04N9/3126—Driving therefor for spatial light modulators in series
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
CA2916836A 2014-07-31 2015-07-31 Numerical approaches for free-form lensing: area parameterization free-form lensing Active CA2916836C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462031250P 2014-07-31 2014-07-31
US62/031250 2014-07-31
US201562194728P 2015-07-20 2015-07-20
US62/194728 2015-07-20
PCT/CA2015/050730 WO2016015163A1 (en) 2014-07-31 2015-07-31 Numerical approaches for free-form lensing: area parameterization free-form lensing

Publications (2)

Publication Number Publication Date
CA2916836A1 CA2916836A1 (en) 2016-01-31
CA2916836C true CA2916836C (en) 2017-12-12

Family

ID=55216539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2916836A Active CA2916836C (en) 2014-07-31 2015-07-31 Numerical approaches for free-form lensing: area parameterization free-form lensing

Country Status (6)

Country Link
US (3) US9936175B2 (https=)
EP (2) EP3175282B1 (https=)
JP (3) JP6757311B2 (https=)
CN (1) CN106796355B (https=)
CA (1) CA2916836C (https=)
WO (1) WO2016015163A1 (https=)

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Also Published As

Publication number Publication date
EP3879334B1 (en) 2023-11-29
US10942428B2 (en) 2021-03-09
JP7460238B2 (ja) 2024-04-02
JP7096298B2 (ja) 2022-07-05
EP3175282A1 (en) 2017-06-07
JP2022130532A (ja) 2022-09-06
JP2017532583A (ja) 2017-11-02
US10324361B2 (en) 2019-06-18
US9936175B2 (en) 2018-04-03
EP3175282B1 (en) 2021-06-09
JP2021039346A (ja) 2021-03-11
CN106796355B (zh) 2020-09-22
US20190369467A1 (en) 2019-12-05
EP3175282A4 (en) 2018-03-21
EP3879334A1 (en) 2021-09-15
JP6757311B2 (ja) 2020-09-16
WO2016015163A1 (en) 2016-02-04
US20180176519A1 (en) 2018-06-21
CA2916836A1 (en) 2016-01-31
US20170127025A1 (en) 2017-05-04
CN106796355A (zh) 2017-05-31

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