TWI449477B - Flexible substrate and lighting device having the same - Google Patents
Flexible substrate and lighting device having the same Download PDFInfo
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- TWI449477B TWI449477B TW101127039A TW101127039A TWI449477B TW I449477 B TWI449477 B TW I449477B TW 101127039 A TW101127039 A TW 101127039A TW 101127039 A TW101127039 A TW 101127039A TW I449477 B TWI449477 B TW I449477B
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Description
本發明係有關於一種可撓折基板，且特別是有關於一種含有可撓折基板的照明裝置。The present invention relates to a flexible substrate, and more particularly to a lighting device comprising a flexible substrate.
一般可撓折設計的照明裝置無法承受多次的往復撓折，在撓折後會容易產生斷裂，再者，可撓折的角度有限，因此使用壽命與多元性是非常受限。The generally flexible design of the illuminating device cannot withstand repeated reciprocating deflections, and is likely to be broken after being flexed. Further, the angle of the flexible folding is limited, so the service life and diversity are very limited.
本揭露係有關於一種可撓折基板與包括可撓折基板的照明裝置，使用上便利、具有多元的變化性且壽命長。The present disclosure relates to a flexible substrate and a lighting device including the flexible substrate, which is convenient to use, has multiple variability, and has a long life.
提供一種可撓折基板。可撓折基板包括一可塑性層、一第一軟性絕緣層與一第二軟性絕緣層。第一軟性絕緣層與第二軟性絕緣層夾設著可塑性層。可塑性層的最小變應力係大於第一軟性絕緣層與第二軟性絕緣層的最小變應力，或者，可塑性層的最小變應力係大於第一軟性絕緣層與第二軟性絕緣層的彈性恢復力，以使可撓折基板具低抗形變能力而可任意折彎或交叉。A flexible substrate is provided. The flexible substrate comprises a plastic layer, a first flexible insulating layer and a second flexible insulating layer. A plastic layer is interposed between the first flexible insulating layer and the second flexible insulating layer. The minimum variable stress of the plastic layer is greater than the minimum variable stress of the first soft insulating layer and the second soft insulating layer, or the minimum variable stress of the plastic layer is greater than the elastic restoring force of the first soft insulating layer and the second soft insulating layer, In order to make the flexible substrate have low resistance to deformation, it can be bent or crossed at will.
提供一種可撓折基板。可撓折基板包括一可塑性層、一第三軟性絕緣層與一第四軟性絕緣層。可塑性層具有複數貫穿其中的第二開口。第三軟性絕緣層與第四軟性絕緣層夾設著可塑性層。可塑性層的最小變應力係大於第三軟性絕緣層與第四軟性絕緣層的最小變應力，或者，可塑性 層的最小變應力係大於第三軟性絕緣層與第四軟性絕緣層的彈性恢復力，以使可撓折基板具低抗形變能力而可任意折彎或交叉。A flexible substrate is provided. The flexible substrate comprises a plastic layer, a third flexible insulating layer and a fourth flexible insulating layer. The plastic layer has a plurality of second openings therethrough. A plastic layer is interposed between the third flexible insulating layer and the fourth soft insulating layer. The minimum variable stress of the plastic layer is greater than the minimum variable stress of the third soft insulating layer and the fourth soft insulating layer, or plasticity The minimum variable stress of the layer is greater than the elastic restoring force of the third soft insulating layer and the fourth soft insulating layer, so that the flexible substrate has low deformation resistance and can be bent or crossed at will.
提供一種照明裝置。照明裝置包括一可撓折基板與第一電子元件。可撓折基板包括一可塑性層、一第一軟性絕緣層與一第二軟性絕緣層。第一軟性絕緣層與第二軟性絕緣層夾設著可塑性層。第一軟性絕緣層是用以承載可塑性層。第二軟性絕緣層則是位在可塑性層上。可塑性層的最小變應力係大於第一軟性絕緣層與第二軟性絕緣層的最小變應力，或者，可塑性層的最小變應力係大於第一軟性絕緣層與第二軟性絕緣層的彈性恢復力，以使可撓折基板具低抗形變能力而可任意折彎或交叉。第二軟性絕緣層具有複數暴露部分可塑性層之表面的第一開口。第一開口中設置有第一電子元件。A lighting device is provided. The illumination device includes a flexible substrate and a first electronic component. The flexible substrate comprises a plastic layer, a first flexible insulating layer and a second flexible insulating layer. A plastic layer is interposed between the first flexible insulating layer and the second flexible insulating layer. The first soft insulating layer is used to carry the plastic layer. The second soft insulating layer is located on the plastic layer. The minimum variable stress of the plastic layer is greater than the minimum variable stress of the first soft insulating layer and the second soft insulating layer, or the minimum variable stress of the plastic layer is greater than the elastic restoring force of the first soft insulating layer and the second soft insulating layer, In order to make the flexible substrate have low resistance to deformation, it can be bent or crossed at will. The second flexible insulating layer has a plurality of first openings exposing a surface of the partially plastic layer. A first electronic component is disposed in the first opening.
提供一種照明裝置。照明裝置包括一可撓折基板與一第二電子元件。可撓折基板包括一可塑性層、一第三軟性絕緣層、一第四軟性絕緣層、一第五軟性絕緣層與一電路層。可塑性層具有複數貫穿其中的第二開口。第三軟性絕緣層與第四軟性絕緣層夾設著可塑性層。第三軟性絕緣層是用以承載可塑性層。第四軟性絕緣層則是位在可塑性層上。可塑性層的最小變應力係大於第三軟性絕緣層與第四軟性絕緣層的最小變應力，或者，可塑性層的最小變應力係大於第三軟性絕緣層與第四軟性絕緣層的彈性恢復力，以使可撓折基板具低抗形變能力而可任意折彎或交叉。電路層形成於第四軟性絕緣層上。第五軟性絕緣層形 成於電路層上。第五軟性絕緣層在每一對應於可塑性層之第二開口處分別具有一露出電路層之表面的第三開口。每一第三開口處設置有第二電子元件。A lighting device is provided. The illumination device includes a flexible substrate and a second electronic component. The flexible substrate comprises a plastic layer, a third flexible insulating layer, a fourth flexible insulating layer, a fifth flexible insulating layer and a circuit layer. The plastic layer has a plurality of second openings therethrough. A plastic layer is interposed between the third flexible insulating layer and the fourth soft insulating layer. The third soft insulating layer is used to carry the plastic layer. The fourth soft insulating layer is located on the plastic layer. The minimum variable stress of the plastic layer is greater than the minimum variable stress of the third soft insulating layer and the fourth soft insulating layer, or the minimum variable stress of the plastic layer is greater than the elastic restoring force of the third soft insulating layer and the fourth soft insulating layer, In order to make the flexible substrate have low resistance to deformation, it can be bent or crossed at will. The circuit layer is formed on the fourth flexible insulating layer. Fifth soft insulating layer On the circuit layer. The fifth flexible insulating layer has a third opening exposing a surface of the circuit layer at each of the second openings corresponding to the plastic layer. A second electronic component is disposed at each of the third openings.
第1圖繪示本發明第一實施例之照明裝置的剖面圖。照明裝置包括可撓折基板11。可撓折基板11包括一可塑性層12、一第一軟性絕緣層14、以及一第二軟性絕緣層16。第一軟性絕緣層14與第二軟性絕緣層16夾設著可塑性層12。第一軟性絕緣層14是用以承載可塑性層12。第二軟性絕緣層16是位在可塑性層12上。Fig. 1 is a cross-sectional view showing a lighting device according to a first embodiment of the present invention. The illumination device includes a flexible substrate 11. The flexible substrate 11 includes a plastic layer 12, a first flexible insulating layer 14, and a second flexible insulating layer 16. The plastic layer 12 is interposed between the first flexible insulating layer 14 and the second flexible insulating layer 16. The first flexible insulating layer 14 is used to carry the plastic layer 12. The second flexible insulating layer 16 is positioned on the plastic layer 12.
於實施例中，可塑性層12的最小變應力是大於第一軟性絕緣層14與第二軟性絕緣層16的最小變應力，或者，可塑性層12的最小變應力是大於第一軟性絕緣層14與第二軟性絕緣層16的彈性恢復力，如此使得可撓折基板11具低抗形變能力而可任意折彎或交叉。舉例來說，第一軟性絕緣層14與第二軟性絕緣層16之材料可分別選自於由塑膠材料和樹脂材料所組成的群組。可塑性層12可含有導電成分，包括金屬。因此，使用者可根據需求，輕易地折彎或交叉實施例之可撓折基板11成任意角度，舉例來說，彎折的角度可大至大於180度。可撓折基板11也能夠彎折成任意幾何形狀成為有藝術感的裝飾品，或是附著/懸掛在任何 物品上，使用上非常的便利並具有多元的變化性。再者，實施例之可撓折基板11的使用壽命長，在往復、多次的撓折之下，並不容易產生斷裂、損壞。In an embodiment, the minimum variable stress of the plastic layer 12 is greater than the minimum variable stress of the first soft insulating layer 14 and the second soft insulating layer 16, or the minimum variable stress of the plastic layer 12 is greater than the first flexible insulating layer 14 and The elastic restoring force of the second flexible insulating layer 16 is such that the flexible substrate 11 has low resistance to deformation and can be bent or crossed at will. For example, the materials of the first flexible insulating layer 14 and the second flexible insulating layer 16 may be selected from the group consisting of a plastic material and a resin material, respectively. The plastic layer 12 can contain conductive components, including metals. Therefore, the user can easily bend or cross the flexible substrate 11 of the embodiment to an arbitrary angle according to requirements, for example, the angle of the bending can be as large as more than 180 degrees. The flexible substrate 11 can also be bent into any geometric shape to become an artistic ornament, or attached/suspended in any On the item, it is very convenient to use and has multiple variability. Furthermore, the flexible folded substrate 11 of the embodiment has a long service life, and is not easily broken or damaged under reciprocating and multiple times of deflection.
第二軟性絕緣層16具有複數暴露部分可塑性層12之表面的第一開口18。於實施例中，每一第一開口18中可設置有一第一電子元件20。每一第一電子元件20可經由每一第一開口18與可塑性層12形成電性接觸。舉例來說，第一電子元件20是固態發光元件例如發光二極體，因此具低抗形變能力而可任意折彎或交叉的可撓折基板11可用於照明裝置。The second flexible insulating layer 16 has a plurality of first openings 18 exposing the surface of the partially plastic layer 12. In an embodiment, a first electronic component 20 can be disposed in each of the first openings 18. Each of the first electronic components 20 can be in electrical contact with the plastic layer 12 via each of the first openings 18. For example, the first electronic component 20 is a solid state light emitting component such as a light emitting diode, and thus the flexible substrate 11 with low resistance to deformation and which can be bent or crossed at will can be used for the illumination device.
第2圖繪示本發明第二實施例之照明裝置的剖面圖。照明裝置包括可撓折基板21。可撓折基板21包括一可塑性層22、一第三軟性絕緣層24與一第四軟性絕緣層26。第三軟性絕緣層24與第四軟性絕緣層26夾設著可塑性層22，其中第三軟性絕緣層24是用以承載可塑性層22，而第四軟性絕緣層26則是位在可塑性層22上。可撓折基板21可更包括一電路層30與一第五軟性絕緣層28。電路層30是形成在第四軟性絕緣層26上。第五軟性絕緣層28是形成於電路層30上。Fig. 2 is a cross-sectional view showing a lighting device according to a second embodiment of the present invention. The illumination device includes a flexible substrate 21. The flexible substrate 21 includes a plastic layer 22, a third flexible insulating layer 24 and a fourth flexible insulating layer 26. The third flexible insulating layer 24 and the fourth flexible insulating layer 26 are sandwiched by the plastic layer 22, wherein the third soft insulating layer 24 is for carrying the plastic layer 22, and the fourth soft insulating layer 26 is for the plastic layer 22. . The flexible substrate 21 can further include a circuit layer 30 and a fifth flexible insulating layer 28. The circuit layer 30 is formed on the fourth flexible insulating layer 26. The fifth flexible insulating layer 28 is formed on the circuit layer 30.
可塑性層22的最小變應力是大於第三軟性絕緣層24、第四軟性絕緣層26、第五軟性絕緣層28與電路層30的最小變應力，或者，可塑性層22的最小變應力是大於第三軟性絕緣層24、第四軟性絕緣層26、第五軟性絕緣層28與 電路層30的彈性恢復力，如此使得可撓折基板21具低抗形變能力而可任意折彎或交叉。於此實施例中，可塑性層22可為不含導電材料的絕緣材料，其中絕緣材料可選自於由樹脂材料和塑膠材料所組成的群組。第三軟性絕緣層24、第四軟性絕緣層26與第五軟性絕緣層28之材料可分別選自於由塑膠材料和樹脂材料所組成的群組。電路層30可包括軟性電路板例如聚酯基材、聚對苯二甲酸乙二酯基材、聚醯亞胺基材、聚乙烯環烷(PEN)基材、環氧樹脂/玻璃纖維布(FR4)基材或其混合物。因此，使用者可根據需求，輕易地折彎或交叉實施例之可撓折基板21成任意角度，舉例來說，彎折的角度可大至大於180度。可撓折基板21也能夠彎折成任意幾何形狀成為有藝術感的裝飾品，或是附著/懸掛在任何物品上，使用上非常的便利並具有多元的變化性。再者，實施例之可撓折基板21的使用壽命長，在往復、多次的撓折之下，並不容易產生斷裂、損壞。The minimum variable stress of the plastic layer 22 is greater than the minimum stress of the third soft insulating layer 24, the fourth soft insulating layer 26, the fifth soft insulating layer 28 and the circuit layer 30, or the minimum stress of the plastic layer 22 is greater than a three-soft insulating layer 24, a fourth flexible insulating layer 26, and a fifth flexible insulating layer 28 The elastic restoring force of the circuit layer 30 is such that the flexible substrate 21 has a low resistance to deformation and can be bent or crossed at will. In this embodiment, the plastic layer 22 may be an insulating material that does not contain a conductive material, wherein the insulating material may be selected from the group consisting of a resin material and a plastic material. The materials of the third flexible insulating layer 24, the fourth flexible insulating layer 26 and the fifth flexible insulating layer 28 may be selected from the group consisting of a plastic material and a resin material, respectively. Circuit layer 30 may comprise a flexible circuit board such as a polyester substrate, a polyethylene terephthalate substrate, a polyimide substrate, a polyethylene naphthenic (PEN) substrate, an epoxy/glass cloth ( FR4) substrate or a mixture thereof. Therefore, the user can easily bend or cross the flexible substrate 21 of the embodiment to an arbitrary angle according to requirements, for example, the angle of the bending can be as large as more than 180 degrees. The flexible substrate 21 can also be bent into any geometric shape to become an artistic ornament, or attached/suspended to any article, which is very convenient to use and has multiple variability. Furthermore, the flexible folded substrate 21 of the embodiment has a long service life, and is not easily broken or damaged under reciprocating and multiple times of deflection.
可塑性層22可具有複數貫穿可塑性層22的第二開口32，這樣的設計能夠減少產品的製造成本。第五軟性絕緣層28在每一對應於第二開口32處分別具有一露出電路層30之表面的第三開口34。於此實施例中，在每一第三開口34處設置有一第二電子元件36。每一第二電子元件36可經由每一第三開口34與電路層30形成電性接觸。舉例來說，第二電子元件36是固態發光元件例如發光二極體，因此具 低抗形變能力而可任意折彎或交叉的可撓折基板21可用作照明裝置。The plasticity layer 22 can have a plurality of second openings 32 extending through the plastic layer 22, such a design can reduce the manufacturing cost of the product. The fifth flexible insulating layer 28 has a third opening 34 exposing the surface of the circuit layer 30 at each corresponding to the second opening 32. In this embodiment, a second electronic component 36 is disposed at each of the third openings 34. Each of the second electronic components 36 can be in electrical contact with the circuit layer 30 via each of the third openings 34. For example, the second electronic component 36 is a solid state light emitting component such as a light emitting diode, and thus The flexible substrate 21 which is low in deformation resistance and can be bent or crossed at will can be used as a lighting device.
第3圖繪示本發明一實施例之照明裝置的示意圖。照明裝置中的固態發光元件38例如發光二極體係設置在可撓折基板40上。於實施例中，照明裝置可具有例如第1圖或第2圖所示之結構。因此，使用者可根據需求，輕易地將照明裝置折彎或交叉成任意角度，舉例來說，彎折的角度可大至大於180度。照明裝置也能夠彎折成任意幾何形狀成為有藝術感的裝飾品，或是附著/懸掛在任何物品上，使用上非常的便利並具有多元的變化性。再者，實施例之照明裝置的使用壽命長，在往復、多次的撓折之下，並不容易產生斷裂、損壞。FIG. 3 is a schematic view of a lighting device according to an embodiment of the present invention. A solid state light emitting element 38, such as a light emitting diode system, in the illumination device is disposed on the flexible substrate 40. In an embodiment, the illumination device may have a structure as shown in FIG. 1 or FIG. 2, for example. Therefore, the user can easily bend or cross the lighting device to any angle as needed, for example, the angle of the bending can be as large as more than 180 degrees. The illuminating device can also be bent into any geometric shape to become an artistic ornament, or attached/suspended to any item, which is very convenient to use and has multiple variability. Furthermore, the illumination device of the embodiment has a long service life, and is not easily broken or damaged under reciprocating and multiple times of deflection.
雖然本發明已以實施例揭露如上，然其並非用以限定本發明，任何熟悉此項技藝者，在不脫離本發明之精神和範圍內，當可做些許更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one skilled in the art can make some modifications and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.
11‧‧‧可撓折基板11‧‧‧Flexible substrate
12‧‧‧可塑性層12‧‧‧plastic layer
14‧‧‧第一軟性絕緣層14‧‧‧First soft insulation
16‧‧‧第二軟性絕緣層16‧‧‧Second soft insulation
18‧‧‧第一開口18‧‧‧ first opening
20‧‧‧第一電子元件20‧‧‧First electronic components
21‧‧‧可撓折基板21‧‧‧Flexible substrate
22‧‧‧可塑性層22‧‧‧plastic layer
24‧‧‧第三軟性絕緣層24‧‧‧ Third soft insulation
26‧‧‧第四軟性絕緣層26‧‧‧The fourth soft insulation layer
28‧‧‧第五軟性絕緣層28‧‧‧ Fifth soft insulation
30‧‧‧電路層30‧‧‧ circuit layer
32‧‧‧第二開口32‧‧‧second opening
34‧‧‧第三開口34‧‧‧ third opening
36‧‧‧第二電子元件36‧‧‧Second electronic components
38‧‧‧固態發光元件38‧‧‧Solid light-emitting elements
40‧‧‧可撓折基板40‧‧‧Flexible substrate
第1圖繪示本發明一實施例之可撓折基板的剖面圖。1 is a cross-sectional view showing a flexible substrate according to an embodiment of the present invention.
第2圖繪示本發明一實施例之可撓折基板的剖面圖。2 is a cross-sectional view showing a flexible substrate according to an embodiment of the present invention.
第3圖繪示本發明一實施例用作照明裝置之可撓折基板的示意圖。FIG. 3 is a schematic view showing a flexible substrate used as a lighting device according to an embodiment of the present invention.
11‧‧‧可撓折基板11‧‧‧Flexible substrate
12‧‧‧可塑性層12‧‧‧plastic layer
14‧‧‧第一軟性絕緣層14‧‧‧First soft insulation
16‧‧‧第二軟性絕緣層16‧‧‧Second soft insulation
18‧‧‧第一開口18‧‧‧ first opening
20‧‧‧第一電子元件20‧‧‧First electronic components
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| TW101127039A TWI449477B (en) | 2012-07-26 | 2012-07-26 | Flexible substrate and lighting device having the same |
| CN201210303018.XA CN103582290B (en) | 2012-07-26 | 2012-08-23 | Flexible substrate and lighting device including the same |
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| JP2023528490A (en) | 2020-06-03 | 2023-07-04 | ルミレッズ リミテッド ライアビリティ カンパニー | bendable lighting device |
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| TW200717757A (en) * | 2005-10-28 | 2007-05-01 | Chipmos Technologies Inc | Light emitting diode package structure |
| TWM429798U (en) * | 2011-11-29 | 2012-05-21 | P Two Ind Inc | Light bar with light emitting element |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4315272A1 (en) * | 1993-05-07 | 1994-11-10 | Siemens Ag | Power semiconductor component with buffer layer |
| JP3874318B2 (en) * | 1997-07-29 | 2007-01-31 | 共同印刷株式会社 | Electronic component comprising a conductive pattern layer on a film substrate |
| JP2001015932A (en) * | 1999-06-25 | 2001-01-19 | Ibiden Co Ltd | Multilayer printed wiring board |
| KR100541958B1 (en) * | 2004-04-21 | 2006-01-10 | 삼성전자주식회사 | Flexible printed circuit board |
| CN200990745Y (en) * | 2005-03-04 | 2007-12-12 | 精工爱普生株式会社 | Personal electronic instrument and portable instrument |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200717757A (en) * | 2005-10-28 | 2007-05-01 | Chipmos Technologies Inc | Light emitting diode package structure |
| TWM429798U (en) * | 2011-11-29 | 2012-05-21 | P Two Ind Inc | Light bar with light emitting element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103582290A (en) | 2014-02-12 |
| CN103582290B (en) | 2017-04-12 |
| TW201406218A (en) | 2014-02-01 |
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