JP6806431B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP6806431B2 JP6806431B2 JP2015180857A JP2015180857A JP6806431B2 JP 6806431 B2 JP6806431 B2 JP 6806431B2 JP 2015180857 A JP2015180857 A JP 2015180857A JP 2015180857 A JP2015180857 A JP 2015180857A JP 6806431 B2 JP6806431 B2 JP 6806431B2
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- Prior art keywords
- bump
- bumps
- dummy
- along
- drive circuit
- Prior art date
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Images
Classifications
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K59/1275—Electrical connections of the two substrates
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K59/10—OLED displays
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Wire Bonding (AREA)
- Electroluminescent Light Sources (AREA)
Description
100a アレイ基板の面
110 第1絶縁層
120a 第1パッド
120b 第2パッド
130 第2絶縁層
136 異方性導電フィルム
140a、140b、140c 第1データ電極
141 第2データ電極
150 導電ボール
200 駆動回路チップ
200a 下面
210 第1バンプ
220 第2バンプ
230 ダミーバンプ
230a 第1サブダミーバンプ
230b 第2サブダミーバンプ
240 長さ延長部
310 ゲート駆動部
320 電源供給部
330 軟性回路基板
500 圧力装置
510 加温具
520 緩衝材
DA 表示領域
DL データ線
NA 非表示領域
GL ゲート線
B1 第1バンプ領域
B2 第2バンプ領域
G1 第1ダミーバンプグループ
G2、G2a、G2b 第2ダミーバンプグループ
Claims (18)
- 表示領域及び非表示領域を有するアレイ基板と、
前記非表示領域に配置され、前記非表示領域と向かい合う下面と、前記下面と対向する上面とを有する駆動回路チップと、
を備え、
前記下面上には、前記下面の上方から見て、複数の第1バンプが第1方向に沿って隔離して整列する第1バンプ領域と、複数の第2バンプが第1方向に沿って隔離して整列する第2バンプ領域とが設けられ、
前記第1方向と直交する第2方向に沿って隔てられた前記第1バンプ領域と前記第2バンプ領域との間には、複数のダミーバンプが前記第1方向に沿って1つの列で離隔して整列するダミーバンプ領域が設けられており、
前記ダミーバンプ領域には、前記第1方向に沿って互いに隣り合う第1ダミーバンプグループ及び第2ダミーバンプグループを含み、前記第1ダミーバンプグループの前記ダミーバンプは、前記第2ダミーバンプグループと異なるピッチで配列される、表示装置。 - 前記第2ダミーバンプグループに含まれる前記ダミーバンプの数は、前記第1ダミーバンプグループに含まれる前記ダミーバンプの数より少ない、請求項1に記載の表示装置。
- 前記各ダミーバンプと当該ダミーバンプに隣り合う前記第1バンプとの間の前記第2方向に沿った距離は、当該ダミーバンプと当該ダミーバンプに隣り合う前記第2バンプとの間の前記第2方向に沿った距離と同じである、請求項1または2に記載の表示装置。
- 前記ダミーバンプの前記第1方向に沿った幅は、前記第1及び第2バンプの幅と同じである、請求項1〜3のいずれか1項に記載の表示装置。
- 前記ダミーバンプの前記第2方向に沿った長さは、前記第1及び第2バンプの長さと同じである、請求項1〜4のいずれか1項に記載の表示装置。
- 前記駆動回路チップは、
前記非表示領域にチップオングラス(COG:Chip On Glass)方式で実装される、請求項1〜5のいずれか1項に記載の表示装置。 - 前記非表示領域上には、前記第1方向に沿って一列に離隔して配置される複数の第1パッド及び第2パッドが設けられ、
前記複数の第1パッドは、前記複数の第1バンプと対応するように位置し、
前記複数の第2パッドは、前記複数の第2バンプと対応するように位置する、
請求項1〜5のいずれか1項に記載の表示装置。 - 表示領域及び非表示領域を有するアレイ基板と、
前記非表示領域に配置され、前記非表示領域と向かい合う下面と、前記下面と対向する上面とを有する駆動回路チップと、
を備え、
前記下面上には、前記下面の上方から見て、複数の第1バンプが第1方向に沿って少なくとも2つの列で離隔して整列する第1バンプ領域と、複数の第2バンプが第1方向に沿って離隔して整列する第2バンプ領域とが設けられ、
前記第1方向と直交する第2方向に沿って隔てられた前記第1バンプ領域と前記第2バンプ領域との間には、複数のダミーバンプが前記第1方向に沿って少なくとも2つの列で離隔して整列するダミーバンプ領域が設けられており、
前記ダミーバンプ領域には、前記第1方向に沿って互いに隣り合う第1ダミーバンプグループ及び第2ダミーバンプグループを含み、前記第1ダミーバンプグループの前記ダミーバンプは、前記第2ダミーバンプグループと異なるピッチで配列される、
表示装置。 - 前記ダミーバンプは、前記第1バンプ及び第2バンプと形状が同じである、請求項8に記載の表示装置。
- 前記複数の第1バンプと対応するように前記非表示領域に前記第1方向に沿って配置される複数の第1パッドと、
前記複数の第2バンプと対応するように前記非表示領域に前記第1方向に沿って配置される複数の第2パッドとをさらに含み、
前記複数の第1バンプと前記複数の第1パッド、前記複数の第2バンプと前記複数の第2パッドのそれぞれが異方性導電フィルムを介して電気的に接続される、
請求項8又は9に記載の表示装置。 - 前記駆動回路チップは、前記駆動回路チップの前記下面における前記第1方向に沿った2つの長辺の一方側に近い縁部に、長さ延長部を備え、
前記長さ延長部の前記第2方向に沿った長さは、前記第1バンプの前記第2方向に沿った長さより長い、請求項1〜10のいずれか1項に記載の表示装置。 - 前記第2ダミーバンプグループの前記ダミーバンプのピッチは、前記第1ダミーバンプグループの前記ダミーバンプのピッチより長い、請求項1又は8に記載の表示装置。
- 表示領域と、第1方向に沿って配置される複数の第1及び第2パッドを有する非表示領域とを有するアレイ基板と、
前記非表示領域に配置され、前記非表示領域と向かい合う下面と、前記下面と対向する上面とを有する駆動回路チップと、
を備え、
前記下面上には、前記下面の上方から見て、複数の第1バンプが第1方向に沿って少なくとも1つの列で離隔して整列する第1バンプ領域と、複数の第2バンプが第1方向に沿って少なくとも1つの列で離隔して整列する第2バンプ領域とが設けられ、
前記第1方向と直交する第2方向に沿って隔てられた前記第1バンプ領域と前記第2バンプ領域との間には、複数のダミーバンプが前記第1方向に沿って少なくとも1つの列で離隔して整列するダミーバンプ領域が設けられ、
前記ダミーバンプ領域には、前記第1方向に沿って互いに隣り合う第1ダミーバンプグループ及び第2ダミーバンプグループを含み、前記第1ダミーバンプグループの前記ダミーバンプは、前記第2ダミーバンプグループと異なるピッチで配列される、
表示装置。 - 前記駆動回路チップは、前記駆動回路チップの前記下面における前記第1方向に沿った2つの長辺の一方側に近い縁部に、長さ延長部を備え、
前記長さ延長部には前記第1及び第2バンプが配置されない、
請求項13に記載の表示装置。 - 前記長さ延長部の前記第2方向に沿った長さは、
前記第1バンプの列の数、互いに隣り合う前記第1バンプ210から前記第2バンプ2
20までの距離、及び前記駆動回路チップに加えられる圧搾荷重のうち少なくとも一つに比例する、
請求項14に記載の表示装置。 - 前記長さ延長部の前記第2方向に沿った長さは、
前記駆動回路チップの厚さ及び前記アレイ基板の厚さの和に反比例する、
請求項14又は15に記載の表示装置。 - 前記複数のダミーバンプは、
前記駆動回路チップの前記下面の前記駆動回路チップの中心部に配置される、
請求項13〜16のいずれか1項に記載の表示装置。 - 前記複数のダミーバンプは、
前記第1及び第2バンプの厚さと同じ厚さを有する、
請求項13〜17のいずれか1項に記載の表示装置。
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