JP4695626B2 - 照明装置及び液晶表示装置 - Google Patents

照明装置及び液晶表示装置 Download PDF

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Publication number
JP4695626B2
JP4695626B2 JP2007167434A JP2007167434A JP4695626B2 JP 4695626 B2 JP4695626 B2 JP 4695626B2 JP 2007167434 A JP2007167434 A JP 2007167434A JP 2007167434 A JP2007167434 A JP 2007167434A JP 4695626 B2 JP4695626 B2 JP 4695626B2
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JP
Japan
Prior art keywords
light
guide plate
light guide
liquid crystal
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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JP2007167434A
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English (en)
Japanese (ja)
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JP2008034372A (ja
JP2008034372A5 (enExample
Inventor
寿丈 北川
直忠 岡田
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Toshiba Corp
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Toshiba Corp
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Priority to JP2007167434A priority Critical patent/JP4695626B2/ja
Priority to US11/771,591 priority patent/US7764334B2/en
Publication of JP2008034372A publication Critical patent/JP2008034372A/ja
Publication of JP2008034372A5 publication Critical patent/JP2008034372A5/ja
Application granted granted Critical
Publication of JP4695626B2 publication Critical patent/JP4695626B2/ja
Expired - Fee Related legal-status Critical Current
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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
    • G02B6/0066—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2007167434A 2006-06-30 2007-06-26 照明装置及び液晶表示装置 Expired - Fee Related JP4695626B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007167434A JP4695626B2 (ja) 2006-06-30 2007-06-26 照明装置及び液晶表示装置
US11/771,591 US7764334B2 (en) 2006-06-30 2007-06-29 Illumination apparatus comprising a light guide plate divided by wedge-shaped grooves having an apex angle of 15 degrees or less and a ratio of depth to thickness in a range of 0.4 to 0.7

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006181238 2006-06-30
JP2006181238 2006-06-30
JP2007167434A JP4695626B2 (ja) 2006-06-30 2007-06-26 照明装置及び液晶表示装置

Publications (3)

Publication Number Publication Date
JP2008034372A JP2008034372A (ja) 2008-02-14
JP2008034372A5 JP2008034372A5 (enExample) 2009-11-12
JP4695626B2 true JP4695626B2 (ja) 2011-06-08

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JP2007167434A Expired - Fee Related JP4695626B2 (ja) 2006-06-30 2007-06-26 照明装置及び液晶表示装置

Country Status (2)

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US (1) US7764334B2 (enExample)
JP (1) JP4695626B2 (enExample)

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