JP2008129595A - 液晶表示装置の駆動回路及びその製造方法と液晶表示装置の駆動回路が実装された液晶表示装置 - Google Patents
液晶表示装置の駆動回路及びその製造方法と液晶表示装置の駆動回路が実装された液晶表示装置 Download PDFInfo
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- JP2008129595A JP2008129595A JP2007294786A JP2007294786A JP2008129595A JP 2008129595 A JP2008129595 A JP 2008129595A JP 2007294786 A JP2007294786 A JP 2007294786A JP 2007294786 A JP2007294786 A JP 2007294786A JP 2008129595 A JP2008129595 A JP 2008129595A
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- liquid crystal
- crystal display
- display device
- conductive particles
- bump
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
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Abstract
【解決手段】液晶表示装置の駆動回路41は、所定の信号を発生させるIC41と、IC41上に形成され前記信号を伝達する電極43と、電極43上に形成されたバンプと、バンプ53上に形成され、バンプ53を外部電子機器と電気的に接続する導電性を有する導電粒子30と、を含んでいる。
【選択図】図10
Description
2 ゲートライン、
3 データライン、
4 画素電極、
5 液晶層、
6 共通電極、
7 カラーフィルタ基板、
8 BM、
9 サブカラーフィルタ、
21、41 液晶表示装置の駆動回路、
23、43 電極、
25、53 バンプ、
45 パシベーション膜、
47 ポリイミド層、
49 UBM層、
51 フォトレジスト、
60 伝導性接着剤、
30 導電粒子、
81 液晶表示装置パネル、
83 パッド、
90 ACF。
Claims (13)
- 所定の信号を発生させるICと、
前記IC上に形成され前記信号を伝達する電極と、
前記電極上に形成されたバンプと、
前記バンプ上に形成され、前記バンプを外部電子機器と電気的に接続する導電性を有する導電粒子と、
を含む液晶表示装置の駆動回路。 - 前記バンプと前記バンプ上に形成されている導電粒子との間に、伝導性を有するレジン層をさらに含むことを特徴とする請求項1記載の液晶表示装置の駆動回路。
- 前記導電粒子は、伝導性を有する物質からなる最外郭層及び弾性力を有するポリマー物質からなる内部層を含むことを特徴とする請求項2記載の液晶表示装置の駆動回路。
- 前記伝導性を有する物質は、AuまたはNiからなることを特徴とする請求項3記載の液晶表示装置の駆動回路。
- パッドが形成されたウェーハ状態のチップ上面に前記パッドの一部を露出させる第1パシベーション膜を形成する段階と、
前記パッド上面とその周辺に形成された前記第1パシベーション膜が露出されるように第2パシベーション膜を形成する段階と、
前記第2パシベーション膜が形成された表面に沿って金属膜を形成する段階と、
前記パッド上面に対応する位置に開口部を有するフォトレジストパターンを形成する段階と、
前記開口部内を金属で満たしてバンプを形成する段階と、
前記バンプ及びフォトレジストパターンの上面に伝導性を有するレジン層を形成する段階と、
前記レジン層上に導電性を有する導電粒子を噴射して塗布する段階と、
前記フォトレジストパターンを除去して、前記バンプ上のみに前記導電粒子を形成する段階と、
を含む液晶表示装置の駆動回路の製造方法。 - 前記レジン層上に導電粒子を噴射して塗布する段階は、インクジェットまたは微細ノズルを利用して前記導電粒子を前記レジン層上に噴射して塗布することを特徴とする請求項5記載の液晶表示装置の駆動回路の製造方法。
- 前記導電粒子は、伝導性を有する物質からなる最外郭層及び弾性力を有するポリマー物質からなる内部層で形成されることを特徴とする請求項6記載の液晶表示装置の駆動回路の製造方法。
- 所定の信号を発生させるIC、前記IC上に形成され前記信号を伝達する電極、前記電極上に形成されたバンプ、及び前記バンプ上に形成された導電性を有する導電粒子を含む駆動回路と、
前記導電粒子を通じて前記バンプと電気的に接続可能に構成されたパッド部を有する薄膜トランジスタパネルと、
前記薄膜トランジスタパネルと対向する位置に形成されたカラーフィルタパネルと、
前記薄膜トランジスタパネルとカラーフィルタパネルとの間に注入されている液晶層と、
を含む液晶表示装置。 - 前記バンプ間は電気的に絶縁されていることを特徴とする請求項8記載の液晶表示装置。
- 前記バンプと前記薄膜トランジスタパネルとは、非伝導性接着剤で接続されていることを特徴とする請求項8記載の液晶表示装置。
- 前記非伝導性接着剤は、非伝導性フィルム、非伝導性ペースト、UV接着剤、またはエポキシ系接着剤であることを特徴とする請求項10記載の液晶表示装置。
- 前記導電粒子は、伝導性を有する物質からなる最外郭層及び弾性力を有するポリマー物質からなる内部層を含むことを特徴とする請求項8記載の液晶表示装置。
- 前記伝導性を有する物質は、AuまたはNiで形成されることを特徴とする請求項12記載の液晶表示装置。
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2006
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2007
- 2007-11-13 JP JP2007294786A patent/JP2008129595A/ja active Pending
- 2007-11-20 EP EP20070022442 patent/EP1942365A3/en not_active Withdrawn
- 2007-11-21 US US11/986,594 patent/US8576368B2/en not_active Expired - Fee Related
- 2007-11-22 CN CN2007103051965A patent/CN101188219B/zh active Active
- 2007-11-22 TW TW96144270A patent/TW200834155A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005229044A (ja) * | 2004-02-16 | 2005-08-25 | Seiko Epson Corp | 電子部品の製造方法、電子部品および電子機器 |
JP2005302870A (ja) * | 2004-04-08 | 2005-10-27 | Seiko Epson Corp | 電子部品の製造方法、電子部品、電気光学装置および電子機器 |
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KR101309319B1 (ko) | 2013-09-13 |
EP1942365A3 (en) | 2009-07-01 |
TW200834155A (en) | 2008-08-16 |
CN101188219A (zh) | 2008-05-28 |
EP1942365A2 (en) | 2008-07-09 |
CN101188219B (zh) | 2012-01-25 |
US8576368B2 (en) | 2013-11-05 |
KR20080046371A (ko) | 2008-05-27 |
US20080180376A1 (en) | 2008-07-31 |
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