CN104335100B - 具有调制层的定向背光体 - Google Patents

具有调制层的定向背光体 Download PDF

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Publication number
CN104335100B
CN104335100B CN201280072700.0A CN201280072700A CN104335100B CN 104335100 B CN104335100 B CN 104335100B CN 201280072700 A CN201280072700 A CN 201280072700A CN 104335100 B CN104335100 B CN 104335100B
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CN
China
Prior art keywords
directional
grating
pixels
backlight
backplane
Prior art date
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CN201280072700.0A
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English (en)
Chinese (zh)
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CN104335100A (zh
Inventor
D.A.法塔尔
J.A.伯鲁格
C.M.桑托瑞
M.菲奥伦蒂诺
彭臻
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Hewlett Packard Development Co LP
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Hewlett Packard Development Co LP
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Publication of CN104335100A publication Critical patent/CN104335100A/zh
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1086—Beam splitting or combining systems operating by diffraction only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/33—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving directional light or back-light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CN201280072700.0A 2012-06-01 2012-06-01 具有调制层的定向背光体 Active CN104335100B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/040607 WO2013180737A1 (en) 2012-06-01 2012-06-01 Directional backlight with a modulation layer

Publications (2)

Publication Number Publication Date
CN104335100A CN104335100A (zh) 2015-02-04
CN104335100B true CN104335100B (zh) 2017-06-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280072700.0A Active CN104335100B (zh) 2012-06-01 2012-06-01 具有调制层的定向背光体

Country Status (8)

Country Link
EP (2) EP2859402B1 (enExample)
JP (1) JP5964500B2 (enExample)
KR (1) KR101788777B1 (enExample)
CN (1) CN104335100B (enExample)
ES (1) ES2658587T3 (enExample)
PL (1) PL2859402T3 (enExample)
PT (1) PT2859402T (enExample)
WO (1) WO2013180737A1 (enExample)

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EP3403129B1 (en) * 2016-01-16 2023-09-13 LEIA Inc. Multibeam diffraction grating-based head-up display
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JP6645371B2 (ja) 2016-07-15 2020-02-14 オムロン株式会社 光デバイス及び立体表示方法
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Also Published As

Publication number Publication date
HK1205793A1 (en) 2015-12-24
WO2013180737A1 (en) 2013-12-05
CN104335100A (zh) 2015-02-04
ES2658587T3 (es) 2018-03-12
EP2859402B1 (en) 2017-11-22
EP2859402A4 (en) 2016-04-13
KR20150021017A (ko) 2015-02-27
JP5964500B2 (ja) 2016-08-03
PL2859402T3 (pl) 2018-08-31
JP2015530604A (ja) 2015-10-15
EP3301504A1 (en) 2018-04-04
EP2859402A1 (en) 2015-04-15
KR101788777B1 (ko) 2017-10-20
PT2859402T (pt) 2018-02-08

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