JP2002245823A5 - - Google Patents

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Publication number
JP2002245823A5
JP2002245823A5 JP2001310123A JP2001310123A JP2002245823A5 JP 2002245823 A5 JP2002245823 A5 JP 2002245823A5 JP 2001310123 A JP2001310123 A JP 2001310123A JP 2001310123 A JP2001310123 A JP 2001310123A JP 2002245823 A5 JP2002245823 A5 JP 2002245823A5
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JP
Japan
Prior art keywords
light
light source
incident
primary
deflection element
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Application number
JP2001310123A
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English (en)
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JP4266551B2 (ja
JP2002245823A (ja
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Priority claimed from JP2001310123A external-priority patent/JP4266551B2/ja
Priority to JP2001310123A priority Critical patent/JP4266551B2/ja
Priority to US10/013,671 priority patent/US6669350B2/en
Priority to KR1020097003938A priority patent/KR20090031952A/ko
Priority to CNB018203205A priority patent/CN1223790C/zh
Priority to TW090131031A priority patent/TWI292838B/zh
Priority to EP01270241A priority patent/EP1361392A4/en
Priority to KR1020037007930A priority patent/KR100902447B1/ko
Priority to PCT/JP2001/010980 priority patent/WO2002048608A1/ja
Publication of JP2002245823A publication Critical patent/JP2002245823A/ja
Priority to US10/617,805 priority patent/US7380969B2/en
Publication of JP2002245823A5 publication Critical patent/JP2002245823A5/ja
Publication of JP4266551B2 publication Critical patent/JP4266551B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (3)

  1. 少なくとも１つの略点状の一次光源と、それより出射される光を入射する光入射面と該入射光を導光して出射する光出射面を有する導光体と、導光体からの出射光の方向を制御する光偏向素子からなる面光源システムにおいて、前記一次光源が導光体のコーナー部または端面に配置され、前記光偏向素子の少なくとも片面に多数のレンズ列が前記一次光源を取り囲むように略弧状に並列して配置されていることを特徴とする面光源システム。
  2. 少なくとも１つの略点状の一次光源と、それより出射される光を入射する光入射面と該入射光を導光して出射する光出射面を有する導光体と、導光体からの出射光の方向を制御する光偏向素子からなる面光源システムにおいて、前記導光体の光出射面の反対側に位置する裏面に設けられた凹部または貫通孔内に、導光体との間に空気層または透明物質層を介して前記一次光源が設置され、前記光偏向素子の少なくとも片面に多数のレンズ列が前記一次光源を取り囲むように略弧状に並列して配置されていることを特徴とする面光源システム。
  3. 前記光偏向素子は、少なくとも導光体に対面する側の入光面にレンズ列が形成され、該レンズ列が２つのプリズム面から構成されるプリズム列であり、少なくとも一方のプリズム面の少なくとも一部が、凸状または凹状の曲面形状をなしていることを特徴とする請求項１または２に記載の面光源システム。
JP2001310123A 2000-12-14 2001-10-05 面光源システムおよびそれに用いる光偏向素子 Expired - Fee Related JP4266551B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2001310123A JP4266551B2 (ja) 2000-12-14 2001-10-05 面光源システムおよびそれに用いる光偏向素子
US10/013,671 US6669350B2 (en) 2000-12-14 2001-12-13 Planar light source system and light deflecting device therefor
KR1020037007930A KR100902447B1 (ko) 2000-12-14 2001-12-14 면광원 시스템 및 여기에 사용되는 광 편향 소자
CNB018203205A CN1223790C (zh) 2000-12-14 2001-12-14 面光源***及其中使用的光偏转元件
TW090131031A TWI292838B (ja) 2000-12-14 2001-12-14
EP01270241A EP1361392A4 (en) 2000-12-14 2001-12-14 FLAT-LIKE LIGHT-SOURCE SYSTEM AND OPTICAL DEFLECTION ELEMENT
KR1020097003938A KR20090031952A (ko) 2000-12-14 2001-12-14 면광원 시스템 및 여기에 사용되는 광 편향 소자
PCT/JP2001/010980 WO2002048608A1 (fr) 2000-12-14 2001-12-14 Systeme de source de lumiere de surface et element de deviation optique
US10/617,805 US7380969B2 (en) 2000-12-14 2003-07-14 Planar light source system and light deflecting device therefor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000380893 2000-12-14
JP2000-380893 2000-12-14
JP2001310123A JP4266551B2 (ja) 2000-12-14 2001-10-05 面光源システムおよびそれに用いる光偏向素子

Publications (3)

Publication Number Publication Date
JP2002245823A JP2002245823A (ja) 2002-08-30
JP2002245823A5 true JP2002245823A5 (ja) 2005-06-16
JP4266551B2 JP4266551B2 (ja) 2009-05-20

Family

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Family Applications (1)

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JP2001310123A Expired - Fee Related JP4266551B2 (ja) 2000-12-14 2001-10-05 面光源システムおよびそれに用いる光偏向素子

Country Status (7)

Country Link
US (2) US6669350B2 (ja)
EP (1) EP1361392A4 (ja)
JP (1) JP4266551B2 (ja)
KR (2) KR100902447B1 (ja)
CN (1) CN1223790C (ja)
TW (1) TWI292838B (ja)
WO (1) WO2002048608A1 (ja)

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