JP2006134996A - 照明装置、照明装置の製造方法およびこの照明装置を用いた表示装置 - Google Patents
照明装置、照明装置の製造方法およびこの照明装置を用いた表示装置 Download PDFInfo
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Abstract
【解決手段】 発光ダイオード1(11,12,13、・・1n)とリードフレーム2(21,22,23,24、・・2n+1)と透明封止剤3を有し、N個の発光ダイオード(Nは1以上の整数)と前記N個の発光ダイオードを実装したN組のリードフレームと発光ダイオードの実装されていない1組以上のリードフレームを透明封止剤3で封止してモジュール構成とする。
【選択図】 図1
Description
SID03 Digest、 pp.1262‐1265(2003) SID04 Digest、 pp.1222‐1225(2004)
Claims (20)
- 発光ダイオードと、リードフレームと、透明封止剤を有する照明装置において、
N個(Nは1以上の整数)の発光ダイオードと、前記N個の発光ダイオードを実装したN組のリードフレームと、前記発光ダイオードの実装されていない1組以上のリードフレームが前記透明封止剤で封止されたモジュール構成であることを特徴とする照明装置。 - 前記発光ダイオードがN≧4個(Nは4以上の整数)であり、
発光ダイオードが実装されていない前記リードフレームが(N−3)組存在し、
かつ、最も外側のリードフレームには発光ダイオードが実装されており、その実装位置が前記各リードフレームの中心線より上半分の領域もしくは下半分の領域に実装されており、
かつ、内側のリードフレームに実装された発光ダイオードは前記各リードフレームの中心線上に実装されていることを特徴とする請求項1に記載の照明装置。 - 前記モジュール構成の2個以上が、一連のリードフレームで接続されていることを特徴とする請求項1または2に記載の照明装置。
- 前記発光ダイオードの個数はN=4個であり、それらがそれぞれ赤、緑、緑、青の光を放射する発光ダイオードであることを特徴とする請求項1ないし3の何れかに記載の照明装置。
- 発光ダイオードと、リードフレームと、透明封止剤を有する照明装置において、
N個(Nは2以上の整数)の発光ダイオードと前記N個の発光ダイオードを実装したN組のリードフレームと、前記N個中の2個の発光ダイオードに対して1組の発光ダイオードを実装していないリードフレームとが前記透明封止剤で封止されたモジュール構成であることを特徴とする照明装置。 - 前記モジュール構成の2個以上が、一連のリードフレームで接続されていることを特徴とする請求項5に記載の照明装置。
- 前記発光ダイオードの個数はN=4個であり、それらがそれぞれ赤、緑、緑、青の光を放射する発光ダイオードであることを特徴とする請求項5又は6に記載の照明装置。
- 発光ダイオードと、リードフレームと、透明封止剤を有する照明装置において、
N個(Nは1以上の整数)の発光ダイオードと、前記N個の発光ダイオードを実装したN組のリードフレームが前記透明封止剤で封止されたモジュール構成であり、
かつ、前記発光ダイオードは発光ダイオードを実装した前記各リードフレームの中心線より上半分の領域もしくは下半分の領域の何れかに実装されており、
かつ、前記モジュール構成の2個以上が一連のリードフレームで接続されていることを特徴とする照明装置。 - 前記発光ダイオードの個数はN=4個であり、それらがそれぞれ赤、緑、緑、青の光を放射する発光ダイオードであることを特徴とする請求項8に記載の照明装置。
- 前記発光ダイオード数N=5であり、それらがそれぞれ赤、緑、緑、青、青の光を放射する発光ダイオードであることを特徴とする請求項8又は9に記載の照明装置。
- 前記赤、緑、青の光を放射する各発光ダイオードの2つの電極がそれぞれ同一面にあり、電極面を下向きにしてリードフレームに実装することを特徴とする請求項4、6又は10の何れかに記載の照明装置。
- 前記緑、青の光を放射する各発光ダイオードの2つの電極がそれぞれ同一面にあり、電極面を下向きにして前記リードフレームに実装し、前記赤の光を放射する各発光ダイオードの2つの電極の少なくとも一方が上面にあり、上面の電極をワイヤで前記リードフレームにボンディング実装されていることを特徴とする請求項11に記載の照明装置。
- 前記赤、緑、青の光を放射する各発光ダイオードの2つの電極の少なくとも一方が上面にあり、上面の電極をワイヤでリードフレームにボンディング実装することを特徴とする請求項11に記載の照明装置。
- 前記電極が同一面にあり電極面を下向きに実装する発光ダイオードを実装する前記リードフレームの形状がV字および逆V字形状であり、それぞれの頂角が概ね90度および270度であることを特徴とする請求項11又は12記載の照明装置。
- 前記リードフレームは銅または銅を主材料とした合金であり、かつ前記リードフレームの少なくとも前記発光ダイオード実装部には銀または銀を主材料としためっきが施されていることを特徴とする請求項1,5,8の何れかに記載の照明装置。
- 前記リードフレームの前記発光ダイオード実装位置における厚さが前記リードフレームの他の部分よりも厚いことを特徴とする請求項1,5,8の何れかに記載の照明装置。
- 前記発光ダイオードと前記リードフレームを封止している前記透明封止剤が反射板を有することを特徴とする請求項1,5,8の何れかに記載の照明装置。
- 前記リードフレームが絶縁層を介して基板に貼り付けられていることを特徴とする請求項1,5,8の何れかに記載の照明装置。
- 請求項1ないし18の照明装置を製造するための照明装置の製造方法において、
前記発光ダイオードを前記リードフレームに実装する発光ダイオード実装工程と、
前記リードフレームに実装した前記発光ダイオードを前記透明封止剤で封止する発光ダイオード封止工程と、
前記発光ダイオード実装工程と前記発光ダイオード封止工程との間に、少なくとも前記発光ダイオードの発光状態および実装状態を検査する検査工程があり、
かつ、前記検査工程で不良と判断された際に、前記リードフレームの前記発光ダイオードが実装されていない場所に新たに発光ダイオードを実装する発光ダイオード再実装工程を有することを特徴とする照明装置の製造方法。 - 複数の画素からなり各々の画素毎に光の反射や透過を制御する非発光型表示パネルと、
前記非発光型表示パネルの背面に設置した請求項1ないし15の何れかに記載の照明装置の複数個からなるバックライトと、
前記非発光型表示パネルと前記バックライトの間に介在させて、前記バックライトからの光の均一性や指向性を制御する光学部材群とを有することを特徴とする表示装置。
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Cited By (10)
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JP2008197499A (ja) * | 2007-02-14 | 2008-08-28 | Nobuyuki Kasuga | 映像表示カード及び映像表示カード用電源装置 |
US8212963B2 (en) | 2007-06-11 | 2012-07-03 | Hitachi Displays, Ltd. | Liquid crystal display device comprising a diffuser board which includes a plurality of micro lenses |
JP2012134305A (ja) * | 2010-12-21 | 2012-07-12 | Panasonic Corp | 発光装置及びそれを用いた照明装置 |
JP2012142489A (ja) * | 2011-01-05 | 2012-07-26 | Sony Corp | 発光装置、照明装置および表示装置 |
WO2012117974A1 (ja) * | 2011-02-28 | 2012-09-07 | 日亜化学工業株式会社 | 発光装置 |
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US9117689B2 (en) | 2012-12-28 | 2015-08-25 | Nichia Corporation | Light emitting device and manufacturing method thereof |
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KR20180003374U (ko) * | 2017-05-24 | 2018-12-04 | 유니마이크론 테크놀로지 코퍼레이션 | 칩 패키지 회로 기판 모듈 |
KR200488116Y1 (ko) * | 2017-07-24 | 2018-12-14 | 유니마이크론 테크놀로지 코퍼레이션 | 칩 패키지 회로 기판 모듈 |
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US8022431B2 (en) | 2011-09-20 |
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