JP2010528432A5 - - Google Patents

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Publication number
JP2010528432A5
JP2010528432A5 JP2010509492A JP2010509492A JP2010528432A5 JP 2010528432 A5 JP2010528432 A5 JP 2010528432A5 JP 2010509492 A JP2010509492 A JP 2010509492A JP 2010509492 A JP2010509492 A JP 2010509492A JP 2010528432 A5 JP2010528432 A5 JP 2010528432A5
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JP
Japan
Prior art keywords
led light
color
light source
characteristic
maximum
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.)
Ceased
Application number
JP2010509492A
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English (en)
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JP2010528432A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2008/064129 external-priority patent/WO2008147753A2/en
Publication of JP2010528432A publication Critical patent/JP2010528432A/ja
Publication of JP2010528432A5 publication Critical patent/JP2010528432A5/ja
Ceased legal-status Critical Current

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Claims (3)

  1. 出力照明領域を有する白色光バックライト、
    前記出力照明領域内に光を放射するように配置された複数のカラー光源と、
    前記複数のカラー光源に接続された駆動回路と、
    を備え、
    前記複数のカラー光源は、第1の数n1個の第1のLED光源と、第2の数n2個の第2のLED光源と、第3の数n3個の第3のLED光源とを有し、
    前記第1のLED光源、第2のLED光源及び第3のLED光源は、
    (i)白色でなく、そして互いに実質的に異なる、第1の色の光、第2の色の光及び
    第3の色の光をそれぞれ放射し、そして、
    (ii)第1の最大出力特性、第2の最大出力特性及び第3の最大出力特性に対応す
    る、第1の最大駆動特性、第2の最大駆動特性及び第3の最大駆動特性をそれぞれ有
    し、
    前記回路は、
    前記第1のLED光源を、前記第1の最大駆動特性の10%以内で駆動し、そして
    前記第2のLED光源を、前記第2の最大駆動特性の10%以内で駆動し、そして
    前記第3のLED光源を、第3の最大駆動特性の10%以内で駆動するように構成さ
    れ、そして、
    前記通電された、第1のLED光源、第2のLED光源及び第3のLED光源からの光は、合成される場合に、実質的に白色であるように、n1、n2及びn3は選択される。
  2. 前記回路が、前記第1の最大駆動特性の平均x%で前記第1のLED光源を駆動し、そして前記第2の最大駆動特性の平均y%で前記第2のLED光源を駆動し、そして前記第3の最大駆動特性の平均z%で前記第3のLED光源を駆動するように構成され、そしてn1×(1−x%)<1、かつn2×(1−y%)<1、かつn3×(1−z%)<1である、請求項1に記載のバックライト。
  3. 出力照明領域を有する白色光バックライト、
    前記出力照明領域内に光を放射するように配置された複数のカラー光源と、
    前記複数のカラー光源は、第1の数n1個の第1のLED光源と、第2の数n2個の
    第2のLED光源と、そして第3の数n3個の第3のLED光源とを有し、
    前記第1のLED光源、第2のLED光源及び第3のLED光源は、
    (i)白色でなく、そして互いに実質的に異なる、第1の色の光、第2の色の光及
    び第3の色の光をそれぞれ放射し、そして、
    (ii)第1の最大出力特性、第2の最大出力特性及び第3の最大出力特性に対応
    する、第1の最大駆動特性、第2の最大駆動特性及び第3の最大駆動特性をそれぞ
    れ有する、
    前記出力照明領域内に光を放射する数n4個の白色LED光源と、
    前記複数のカラー光源と前記白色LED光源とに接続された駆動回路と、
    を備え、
    前記出力照明領域の色域を、所望の色域の10%以内に維持しながら、前記出力照明領域の発光効率を高めるように、前記数n4は選択されている。
JP2010509492A 2007-05-20 2008-05-19 カラーled光源を効率的に利用した白色光バックライト及び類似製品 Ceased JP2010528432A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93908307P 2007-05-20 2007-05-20
PCT/US2008/064129 WO2008147753A2 (en) 2007-05-20 2008-05-19 White light backlights and the like with efficient utilization of colored led sources

Publications (2)

Publication Number Publication Date
JP2010528432A JP2010528432A (ja) 2010-08-19
JP2010528432A5 true JP2010528432A5 (ja) 2011-06-30

Family

ID=39584935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010509492A Ceased JP2010528432A (ja) 2007-05-20 2008-05-19 カラーled光源を効率的に利用した白色光バックライト及び類似製品

Country Status (7)

Country Link
US (1) US20100165001A1 (ja)
EP (1) EP2160729A2 (ja)
JP (1) JP2010528432A (ja)
KR (1) KR20100021477A (ja)
CN (2) CN102419959A (ja)
TW (1) TW200916916A (ja)
WO (1) WO2008147753A2 (ja)

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