LED lighting panel
The invention provides an LED lighting panel. Conductive paste is filled in one step using grooves and through holes to extract a circuit pattern from the lower surface of an insulating substrate, wherein the circuit pattern can realize flexible wiring, which is more advantageous for finding a faili...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides an LED lighting panel. Conductive paste is filled in one step using grooves and through holes to extract a circuit pattern from the lower surface of an insulating substrate, wherein the circuit pattern can realize flexible wiring, which is more advantageous for finding a failing LED chip because multiple through holes can be detected; copper pins can avoid the overflow of the conductive paste, reduce the use of the conductive paste, and provide better conductivity; in addition, the flipping method of the LED does not require solder balls or wire bonding, and the LED is directly bonded to a bonding layer, so that the LED lighting panel is thinner and prevents side light emission.
本发明提供了种LED照明面板,本发明利用凹槽和通孔实现步导电膏填充实现绝缘基板下表面的电路图案引出,该电路图案可以灵活布线,更有利于失效LED芯片的查找,因为其可以对多个通孔进行检测;铜针的使用可以避免导电膏的溢出,减少导电膏的使用,且使得导电性更好;此外,LED的该种倒装方式无需焊球或者打线,LED直接贴合于粘结层,更薄且防止了侧面出光。 |
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