JP2019507904A - ビデオウォールモジュールおよびビデオウォールモジュールの製造方法 - Google Patents
ビデオウォールモジュールおよびビデオウォールモジュールの製造方法 Download PDFInfo
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Abstract
Description
101 前面
102 後面
110 ピクセル
120 矩形格子
121 ピクセルの行
122 ピクセルの列
130 ブロック(4つのピクセルを備える)
140 交差マトリクス配線
141 論理行
142 論理列
200 発光ダイオードチップ
201 放射出射面
202 コンタクト面
210 第1のコンタクト電極
211 金属先端部
220 第2のコンタクト電極
221 金属先端部
300 回路基板
301 上面
310 第1の回路基板層
311 第1の上側スルーコンタクト
312 第2の上側スルーコンタクト
320 第2の回路基板層
321 下側スルーコンタクト
330 第1のメタライゼーション層
331 列ライン
332 金属先端部
340 第2のメタライゼーション層
341 行ライン
342 行接続構造
343 列接続構造
350 第3のメタライゼーション層
351 電気コンタクトパッド
360 第3の回路基板層
361 電子部品
370 ポッティング材
380 導電性ダイアタッチフィルム
390 異方性導電膜
395 電気絶縁性接着剤
400 第4のメタライゼーション層
401 電気コンタクトパッド
Claims (19)
- コンタクト面(202)に配置された第1のコンタクト電極(210)および第2のコンタクト電極(220)をそれぞれが備える複数の発光ダイオードチップ(200)、
を備え、
前記複数の発光ダイオードチップ(200)は、多層回路基板(300)の上面(301)に配置されており、
前記第1のおよび第2のコンタクト電極(210,220)は、前記多層回路基板(300)の前記上面(301)に配置された第1のメタライゼーション層(330)に電気接続されている、
ビデオウォールモジュール(100)。 - 導電性ダイアタッチフィルム(380)のパターニングされた区画部分が前記複数の発光ダイオードチップ(200)のそれぞれの前記コンタクト面(202)に配置されており、該区画部分は、前記複数の発光ダイオードチップ(200)のそれぞれの前記第1のおよび第2のコンタクト電極(210,220)を前記第1のメタライゼーション層(330)に電気接続している、
請求項1に記載のビデオウォールモジュール(100)。 - 異方性導電膜(390)が前記多層回路基板(300)の前記上面(301)に配置されており、前記異方性導電膜は、前記複数の発光ダイオードチップ(200)の前記第1のおよび第2のコンタクト電極(210,220)を前記第1のメタライゼーション層(330)に電気接続している、
請求項1に記載のビデオウォールモジュール(100)。 - 前記複数の発光ダイオードチップ(200)は、前記多層回路基板(300)の前記上面(301)に配置されたポッティング材(370)に少なくとも部分的に埋め込まれている、
請求項1〜3のいずれか一項に記載のビデオウォールモジュール(100)。 - 前記多層回路基板(300)は、第2のメタライゼーション層(340)を備え、
前記第1のメタライゼーション層(330)のいくつかの区画部分と前記第2のメタライゼーション層(340)のいくつかの区画部分とは、前記多層回路基板(300)に配置されたスルーコンタクト(311,312)によって互いに電気接続されている、
請求項1〜4のいずれか一項に記載のビデオウォールモジュール(100)。 - 前記複数の発光ダイオードチップ(200)は、マトリクス(140)の行(141)および列(142)に論理的に分布されており、
前記複数の発光ダイオードチップ(200)の前記第1のコンタクト電極(210)は、前記第1のメタライゼーション層(330)によって列単位で互いに電気接続されており、
前記複数の発光ダイオードチップ(200)の前記第2のコンタクト電極(220)は、前記第2のメタライゼーション層(340)によって行単位で互いに電気接続されている、
請求項5に記載のビデオウォールモジュール(100)。 - 前記多層回路基板(300)は、第3のメタライゼーション層(350)を備え、
前記第2のメタライゼーション層(340)のいくつかの区画部分と前記第3のメタライゼーション層(350)のいくつかの区画部分とは、前記多層回路基板(300)に配置されたスルーコンタクト(321)によって互いに電気接続されている、
請求項5または6に記載のビデオウォールモジュール(100)。 - 前記第3のメタライゼーション層(350)は、前記ビデオウォールモジュール(100)の外側電気コンタクトパッド(351)を形成している、
請求項7に記載のビデオウォールモジュール(100)。 - 前記多層回路基板(300)は、組み込まれた電子部品(361)を備える、
請求項1〜8のいずれか一項に記載のビデオウォールモジュール(100)。 - 2つまたは3つの隣接した発光ダイオードチップ(200)が、1つのピクセル(110)を形成している、
請求項1〜9のいずれか一項に記載のビデオウォールモジュール(100)。 - 複数の前記ピクセル(110)は、前記多層回路基板(300)の前記上面(301)に矩形格子(120)状に配置されている、
請求項10に記載のビデオウォールモジュール(100)。 - 1つのピクセル(110)の前記発光ダイオードチップ(200)は、互いに直線的に並置されている、
請求項10または11に記載のビデオウォールモジュール(100)。 - 第1のメタライゼーション層(330)が多層回路基板(300)の上面(301)に配置された多層回路基板(300)を設けるステップと、
第1のコンタクト電極(210)および第2のコンタクト電極(220)が配置されたコンタクト面(202)をそれぞれが有する複数の発光ダイオードチップ(200)を設けるステップと、
前記複数の発光ダイオードチップ(200)を前記多層回路基板(300)の前記上面(301)に配置するステップと、
を含み、
前記第1のおよび第2のコンタクト電極(210,220)は、前記第1のメタライゼーション層(330)に電気接続される、
ビデオウォールモジュール(100)の製造方法。 - 前記複数の発光ダイオードチップ(200)を設けるステップは、
導電性ダイアタッチフィルム(380)の区画部分を前記発光ダイオードチップ(200)のそれぞれの前記コンタクト面(202)に配置するステップと、
前記導電性ダイアタッチフィルム(380)の前記第1のコンタクト電極(210)に接触する部分と前記第2のコンタクト電極(220)に接触する部分とが互いに電気的に絶縁されるように前記導電性ダイアタッチフィルム(380)をパターニングするステップと、を含み、
前記複数の発光ダイオードチップ(200)は、前記導電性ダイアタッチフィルム(380)の前記区画部分のそれぞれが前記第1のおよび第2のコンタクト電極(210,220)を前記第1のメタライゼーション層(330)に電気接続するように前記多層回路基板(300)の前記上面(301)に配置される、
請求項13に記載のビデオウォールモジュール(100)の製造方法。 - 前記導電性ダイアタッチフィルム(380)のパターニングは、レーザーによって行われる、
請求項14に記載のビデオウォールモジュール(100)の製造方法。 - 前記導電性ダイアタッチフィルム(380)は、複数の発光ダイオードチップ(200)を含むチップウェハに配置され、
前記複数の発光ダイオードチップ(200)は、前記導電性ダイアタッチフィルム(380)をパターニングするプロセスの後に前記導電性ダイアタッチフィルム(380)と共に個片化される、
請求項14または15に記載のビデオウォールモジュール(100)の製造方法。 - 前記複数の発光ダイオードチップ(200)を前記多層回路基板(300)の前記上面(301)に配置するステップは、
異方性導電膜(390)を前記多層回路基板(300)の前記上面(301)に配置するステップと、
前記異方性導電膜(390)が前記複数の発光ダイオードチップ(200)の前記第1のおよび第2のコンタクト電極(210,220)を前記第1のメタライゼーション層(330)に電気接続するように前記複数の発光ダイオードチップ(200)を前記多層回路基板(300)の前記上面(301)に配置するステップと、を含む、
請求項13に記載のビデオウォールモジュール(100)の製造方法。 - 前記複数の発光ダイオードチップ(200)を前記多層回路基板(300)の前記上面(301)に配置するステップは、
電気絶縁性接着剤(395)を前記多層回路基板(300)の前記上面(301)に塗布するステップと、
前記複数の発光ダイオードチップ(200)を前記多層回路基板(300)の前記上面(301)に配置するステップと、を含み、
前記複数の発光ダイオードチップ(200)の前記第1のおよび第2のコンタクト電極(210,220)の、および/または前記第1のメタライゼーション層(330)の微細な金属先端部(211,221,332)が前記電気絶縁性接着剤(395)を局所的に貫通し、前記複数の発光ダイオードチップ(200)の前記第1のおよび第2のコンタクト電極(210,220)を前記第1のメタライゼーション層(330)に電気接続する、
請求項13に記載のビデオウォールモジュール(100)の製造方法。 - ポッティング材(370)を前記多層回路基板(300)の前記上面(301)に配置するさらなるステップを含み、
前記複数の発光ダイオードチップ(200)は、前記ポッティング材(370)に少なくとも部分的に埋め込まれる、
請求項13〜18のいずれか一項に記載のビデオウォールモジュール(100)の製造方法。
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