JP2007220925A - モジュール基板と液晶表示装置、及び照明装置 - Google Patents
モジュール基板と液晶表示装置、及び照明装置 Download PDFInfo
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Abstract
【解決手段】放熱基板と、前記放熱基板上面の一部の領域に形成される絶縁層と、前記絶縁層上に配置する複数の配線層と、前記配線層に接続される複数のLED素子と、を有する光源の構成をとる。また、放熱基板と、前記放熱基板上面の一部の領域に配置する絶縁層と、前記絶縁層上に配置する複数の配線パターンが形成される配線層と、前記配線層に接続される複数のLED素子と、を有し、前記絶縁層は前記配線層側に配置する樹脂層と、前記放熱基板側に配置する粘着層の2層で構成される光源の構成を採る。
【選択図】図1
Description
6b−n)の2つに分離する形で複数列平行に配置している。光源キャリア6の両サイドには、2つに分離した光源キャリア6a,6bを駆動するための回路基板10a,10bが接続されている。光源キャリア6を中央線9の左右で分離せず、1つで形成してもよい。この場合、回路基板10を一つにできる。また、表示装置,照明装置の要求に応えるため、光源キャリア6の配置構造,駆動方法により、回路基板10を筐体2の両サイドのほかに上下サイドの周辺部に配置する場合もある。光源キャリアの詳細は図3に示す。絶縁層5の上に形成された4つの配線パターン4(4−1,4−2,4−3,4−4)は、
RGGBの4個をLEDチップの基本単位13にした複数のLEDチップ3(3−1,3−2,3−3,3−4)をシリーズに接続する形でほぼ平行に形成されている。LEDチップ3の接続部を除く配線4と絶縁層5の表面には保護レジストパターンが形成されている。
41は、150℃〜180℃の温度で本キュアされ、加熱圧着により密着形成されている。樹脂層41には、低熱抵抗構造を得る為、酸化アルミナ、窒化珪素等の熱伝導性の良好なフィラー入り熱硬化性エポキシ樹脂を用いている。
13…LEDチップの基本単位、14…保護レジストパターン、15…フレキシブル配線板、16…配線(加工前)、20…開口部、21…バンプ、34…ヒートパイプ、41…樹脂層、42…粘着層。
Claims (17)
- 放熱基板と、
前記放熱基板上面の一部の領域に形成される絶縁層と、
前記絶縁層上に配置する複数の配線パターンが形成される配線層と、
前記配線層に接続される複数のLED素子と、
を有する光源。 - 前記絶縁層は熱硬化性の樹脂層である請求項1に記載の光源。
- 前記絶縁層は2以上の領域に分離して前記放熱基板上面に形成される請求項1に記載の光源。
- 前記絶縁層は前記配線層の配線パターンに沿って前記放熱基板上面に形成される請求項1に記載の光源。
- 前記絶縁層は前記配線層の配線パターンに沿ってテープ状に形成され、
前記放熱基板上面の一部に前記テープ状の絶縁層を複数本形成する請求項1に記載の光源。 - 前記配線層と前記放熱基板とは、それぞれ異なる熱硬化条件により前記絶縁層に固着される請求項1に記載の光源。
- 前記配線層と前記絶縁層とを固着する第1の加熱キュア工程と、
前記放熱基板と前記絶縁層とを固着する第2の加熱キュア工程と、により構成される請求項1に記載の光源。 - 前記第1の加熱キュア工程は、
前記絶縁層を、前記配線層側から加熱すると共に前記放熱基板側から冷却する工程である請求項7に記載の光源。 - 前記放熱基板上面と反対側の面に放熱フィンを配置する請求項1に記載の光源。
- 前記放熱基板は基板厚みの異なる領域を有し、
前記絶縁層は、前記放熱基板上面のうち基板厚みが同じ領域に形成される請求項1に記載の光源。 - 前記放熱基板は基板内部にヒートパイプを有する請求項1に記載の光源。
- 前記ヒートパイプは前記絶縁層を形成した領域に対応して設けられる請求項11に記載の光源。
- 放熱基板と、
前記放熱基板上面の一部の領域に配置する絶縁層と、
前記絶縁層上に配置する複数の配線パターンが形成される配線層と、
前記配線層に接続される複数のLED素子と、を有し、
前記絶縁層は前記配線層側に配置する樹脂層と、前記放熱基板側に配置する粘着層の2層で構成される光源。 - 前記樹脂層は熱硬化性のエポキシ樹脂で構成され、
前記粘着層はアクリル系粘着剤で構成される請求項13に記載の光源。 - 一対の基板と、一対の偏光板と、前記一対の基板に挟持される液晶層と、を有する液晶表示パネルと、
前記液晶表示パネルに光を供給する請求項1に記載の光源と、を有する液晶表示装置。 - 一対の基板と、一対の偏光板と、前記一対の基板に挟持される液晶層と、を有する液晶表示パネルと、
前記液晶表示パネルに光を供給する請求項13に記載の光源と、を有する液晶表示装置。 - 絶縁層と金属箔層とを固着する第1の加熱キュア工程と、
前記金属箔層を加工し配線層を成形する工程と、
前記絶縁層と放熱基板とを固着する第2の加熱キュア工程と、
前記配線層にLEDチップを実装する工程と、を有し、
前記第1の加熱キュア工程は、前記絶縁層を前記配線層側から加熱すると共に前記放熱基板側から冷却する工程である光源の製造方法。
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Cited By (11)
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JP2008027916A (ja) * | 2006-07-24 | 2008-02-07 | Samsung Electronics Co Ltd | バックライトアセンブリ、その製造方法及びそれを有する表示装置 |
JP2010153761A (ja) * | 2008-11-19 | 2010-07-08 | Rohm Co Ltd | Led照明装置 |
JP2012059921A (ja) * | 2010-09-09 | 2012-03-22 | Citizen Holdings Co Ltd | 半導体発光装置及びその製造方法 |
JP2012508969A (ja) * | 2008-11-13 | 2012-04-12 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 表面実装可能な装置 |
US8384845B2 (en) | 2010-01-25 | 2013-02-26 | Hitachi Displays, Ltd. | Liquid crystal display device and illuminating device |
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US8780298B2 (en) | 2010-01-20 | 2014-07-15 | Japan Display Inc. | Liquid crystal display device |
JP2015073131A (ja) * | 2015-01-05 | 2015-04-16 | ローム株式会社 | Led発光体およびled電球 |
JP2016504773A (ja) * | 2013-01-24 | 2016-02-12 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツングOsram Opto Semiconductors GmbH | 複数のオプトエレクトロニクス部品の製造方法およびオプトエレクトロニクス部品 |
JP2016072476A (ja) * | 2014-09-30 | 2016-05-09 | 大日本印刷株式会社 | 配線基板およびその製造方法、実装基板およびその製造方法、並びに実装基板を備えた照明装置 |
JP2020021823A (ja) * | 2018-07-31 | 2020-02-06 | 日亜化学工業株式会社 | 発光装置 |
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JP2009098310A (ja) * | 2007-10-15 | 2009-05-07 | Hitachi Displays Ltd | 液晶表示装置 |
KR20120082714A (ko) * | 2011-01-14 | 2012-07-24 | 삼성엘이디 주식회사 | 발광소자용 접착필름 및 이를 이용한 발광다이오드 패키지 제조방법 |
CN102628566B (zh) * | 2012-03-27 | 2015-02-18 | 深圳市华星光电技术有限公司 | 背光模组、液晶显示装置及背光模组的光源 |
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JP2020021823A (ja) * | 2018-07-31 | 2020-02-06 | 日亜化学工業株式会社 | 発光装置 |
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Also Published As
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US20070194340A1 (en) | 2007-08-23 |
US8017959B2 (en) | 2011-09-13 |
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