TW201638834A - Fingerprint identification device and manufacturing method thereof - Google Patents
Fingerprint identification device and manufacturing method thereof Download PDFInfo
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- TW201638834A TW201638834A TW105101444A TW105101444A TW201638834A TW 201638834 A TW201638834 A TW 201638834A TW 105101444 A TW105101444 A TW 105101444A TW 105101444 A TW105101444 A TW 105101444A TW 201638834 A TW201638834 A TW 201638834A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1329—Protecting the fingerprint sensor against damage caused by the finger
Abstract
Description
本發明涉及一種指紋識別裝置以及所述指紋識別裝置的製造方法。The present invention relates to a fingerprint recognition device and a method of manufacturing the fingerprint recognition device.
指紋識別裝置以廣泛地應用於工業、國防、消防、消費性電子等不同領域。以消費性電子領域為例，現許多手機、筆記型電腦等電子裝置配置有指紋識別功能，以實現指紋解鎖、指紋支付等功能。然而，目前電子裝置越來越趨向輕薄化，如何降低指紋識別裝置的厚度被擺上了議題。The fingerprint recognition device is widely used in various fields such as industry, national defense, fire protection, and consumer electronics. Taking the consumer electronics field as an example, many electronic devices such as mobile phones and notebook computers are equipped with fingerprint recognition functions to implement functions such as fingerprint unlocking and fingerprint payment. However, at present, electronic devices are becoming more and more thin and lighter, and how to reduce the thickness of the fingerprint recognition device has been put on the issue.
鑑於此，有必要提供一種指紋識別裝置。所述指紋識別裝置包括保護基板、油墨層以及指紋識別元件，所述油墨層形成在所述保護基板上，所述指紋識別元件藉由所述油墨層在形成過程中由液態轉換為固態的特性固定在所述油墨層上。In view of this, it is necessary to provide a fingerprint recognition device. The fingerprint identification device includes a protection substrate, an ink layer and a fingerprint recognition component, and the ink layer is formed on the protection substrate, and the fingerprint recognition component is converted from a liquid state to a solid state by the ink layer during formation. It is fixed on the ink layer.
還有必要提供一種指紋識別裝置的製造方法，該方法包括：提供保護基板，並在所述保護上塗布油墨材料層；固化所述油墨材料層，並在所述油墨材料層未完全固化時設置嵌入該油墨材料層的指紋識別元件；以及完成固化所述油墨材料層以形成油墨層。It is also necessary to provide a method of fabricating a fingerprint identification device, the method comprising: providing a protective substrate, and coating a layer of ink material on the protection; curing the layer of ink material, and setting the layer of ink material when it is not fully cured a fingerprint recognition element embedded in the layer of ink material; and completing curing of the layer of ink material to form an ink layer.
相較於習知技術，本發明所提供的指紋識別裝置及其製造方法能夠降低指紋識別裝置的厚度，從而提供更加輕薄化的指紋識別裝置。Compared with the prior art, the fingerprint identification device and the manufacturing method thereof provided by the present invention can reduce the thickness of the fingerprint recognition device, thereby providing a fingerprint recognition device that is thinner and lighter.
圖1是本發明具體實施方式所提供的指紋識別裝置的示意圖。1 is a schematic diagram of a fingerprint identification device provided by an embodiment of the present invention.
圖2是本發明第一實施方式所提供的指紋識別裝置沿圖1中II-II切割線所形成的剖視圖。2 is a cross-sectional view of the fingerprint recognition device according to the first embodiment of the present invention taken along line II-II of FIG.
圖3是本發明第二實施方式所提供的指紋識別裝置沿圖1中II-II切割線所形成的剖視圖。3 is a cross-sectional view of the fingerprint recognition device according to the second embodiment of the present invention taken along line II-II of FIG. 1.
圖4是本發明第三實施方式所提供的指紋識別裝置沿圖1中II-II切割線所形成的剖視圖。4 is a cross-sectional view of the fingerprint recognition device according to the third embodiment of the present invention taken along line II-II of FIG. 1.
圖5是本發明第四實施方式所提供的指紋識別裝置沿圖1中II-II切割線所形成的剖視圖。Figure 5 is a cross-sectional view of the fingerprint recognition device according to the fourth embodiment of the present invention taken along line II-II of Figure 1.
圖6是本發明第五實施方式所提供的指紋識別裝置沿圖1中II-II切割線所形成的剖視圖。Figure 6 is a cross-sectional view of the fingerprint recognition device according to the fifth embodiment of the present invention taken along line II-II of Figure 1 .
圖7是本發明具體實施方式的指紋識別裝置製造方法的流程圖。7 is a flow chart of a method of manufacturing a fingerprint recognition device according to an embodiment of the present invention.
圖8至圖13是圖7中製造方法的各步驟的示意圖。8 to 13 are schematic views of the steps of the manufacturing method of Fig. 7.
下面結合附圖將對本發明實施方式作進一步的詳細說明。The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
請參閱圖1，圖1為本發明具體實施方式所提供的指紋識別裝置200應用在一具有觸控功能的電子裝置20時的結構示意圖。該電子裝置10包括一觸控結構以實現觸控功能，一保護蓋板100及一裝飾層(未標號)。該電子裝置定義有一觸控區110與一非觸控區120。在該電子裝置的該保護蓋板100對應非觸控區120上設置有一收容該指紋識別裝置200的開口100a。該裝飾層用於遮蔽位於非觸控區域120的金屬走線(圖未示)並且在該非觸控區120形成一裝飾邊框。該裝飾層的材料為彩色油墨，如黑色油墨或白色油墨，並不以此為限。Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a fingerprint identification device 200 according to an embodiment of the present invention when applied to an electronic device 20 having a touch function. The electronic device 10 includes a touch structure for implementing a touch function, a protective cover 100 and a decorative layer (not labeled). The electronic device defines a touch area 110 and a non-touch area 120. An opening 100a for receiving the fingerprint identification device 200 is disposed on the non-touch area 120 of the protective cover 100 of the electronic device. The decorative layer is used to shield metal traces (not shown) located in the non-touch area 120 and form a decorative border in the non-touch area 120. The material of the decorative layer is a color ink, such as black ink or white ink, and is not limited thereto.
請一併參閱圖2，為本發明第一實施方式所提供的指紋識別裝置200沿圖1中II-II線的剖視圖，該指紋識別裝置200設置於該開口中100a中，且為保證整個裝飾邊框的一致性，在該指紋識別裝置200的指紋識別元件230上進一步設置油墨層220以及保護基板210。在本實施例中，該油墨層220的顏色與該電子裝置的裝飾層的顏色一致。該保護基板210可與該電子裝置的保護蓋板100的材質一致。可變更地，該指紋識別裝置200亦可獨立於電子裝置使用。該保護基板210用於保護該指紋識別裝置200的指紋識別元件230。該油墨層220亦可用於遮蔽該指紋識別元件230以實現指紋識別裝置200的美觀性，而並不限於本實施例中配合裝飾邊框的目的。Referring to FIG. 2, a cross-sectional view of the fingerprint identification device 200 according to the first embodiment of the present invention is taken along line II-II of FIG. 1. The fingerprint identification device 200 is disposed in the opening 100a, and the entire decoration is ensured. The ink layer 220 and the protective substrate 210 are further disposed on the fingerprint recognition element 230 of the fingerprint recognition device 200 in accordance with the consistency of the frame. In this embodiment, the color of the ink layer 220 is consistent with the color of the decorative layer of the electronic device. The protective substrate 210 can conform to the material of the protective cover 100 of the electronic device. Alternatively, the fingerprint recognition device 200 can also be used independently of the electronic device. The protective substrate 210 is used to protect the fingerprint recognition component 230 of the fingerprint recognition device 200. The ink layer 220 can also be used to shield the fingerprint recognition component 230 to achieve the aesthetic appearance of the fingerprint recognition device 200, and is not limited to the purpose of matching the decorative frame in the embodiment.
在本實施方式中，所述油墨層220形成在所述保護基板210上。所述指紋識別元件230形成在所述油墨層220上。所述保護基板210用於保護所述油墨層220與所述指紋識別元件230不會被破壞。所述油墨層220用於遮蔽該指紋識別元件230以實現指紋識別裝置200的美觀性。所述指紋識別元件230用於感應放置在所述保護基板210上對應所述指紋識別元件230位置的手指的指紋。在本發明中，該油墨層220在形成過程中具有從液態轉變為固態的特性。該指紋識別元件230嵌入該油墨層220中，並借由該油墨層220由液態轉換為固態的特性實現該指紋識別元件230與該保護基板210的貼合。In the present embodiment, the ink layer 220 is formed on the protective substrate 210. The fingerprint recognition element 230 is formed on the ink layer 220. The protective substrate 210 is used to protect the ink layer 220 and the fingerprint recognition component 230 from being damaged. The ink layer 220 is used to shield the fingerprint recognition component 230 to achieve the aesthetics of the fingerprint recognition device 200. The fingerprint identification component 230 is configured to sense a fingerprint of a finger placed on the protection substrate 210 corresponding to the location of the fingerprint recognition component 230. In the present invention, the ink layer 220 has a property of changing from a liquid state to a solid state during formation. The fingerprint recognition component 230 is embedded in the ink layer 220, and the fingerprint recognition component 230 is bonded to the protection substrate 210 by the liquid layer 220 being converted from a liquid state to a solid state.
在本實施方式中，所述保護基板210是一平面的保護基板210。所述油墨層220包括層疊設置的第一油墨子層221與第二油墨子層222。所述第一油墨子層221位於所述第二油墨子層222與所述保護基板210之間。所述指紋識別元件230藉由所述第二油墨子層222粘貼在所述第一油墨子層221上。具體地，該第一油墨子層221形成在保護基板210表面上，該指紋識別元件230僅嵌入該第二油墨子層222中。對於具有雙層甚至是多層油墨子層的油墨層220，相較於單層的油墨層220，在既能夠實現指紋識別元件230與該保護基板210間的貼合的情況下，由於至少一第一油墨子層222設置在該指紋識別元件230與該保護基板210之間，能有效保障遮蔽的效果。In the embodiment, the protective substrate 210 is a planar protective substrate 210. The ink layer 220 includes a first ink sub-layer 221 and a second ink sub-layer 222 which are stacked. The first ink sub-layer 221 is located between the second ink sub-layer 222 and the protective substrate 210. The fingerprint recognition component 230 is pasted on the first ink sub-layer 221 by the second ink sub-layer 222. Specifically, the first ink sub-layer 221 is formed on the surface of the protective substrate 210, and the fingerprint recognition element 230 is only embedded in the second ink sub-layer 222. For the ink layer 220 having a double layer or even a multi-layer ink sub-layer, compared to the single-layer ink layer 220, in the case where the bonding between the fingerprint recognition element 230 and the protective substrate 210 can be achieved, at least one An ink sub-layer 222 is disposed between the fingerprint recognition component 230 and the protection substrate 210, and the shielding effect can be effectively ensured.
所述保護基板210的材質可以選自玻璃、聚甲基丙烯酸甲酯(PolymethylMethacrylate，PMMA)、藍寶石、聚醚碸樹脂(Polyethersulfone resin，PES)以及聚對苯二甲酸乙二醇酯(polyethylene terephthalate，PET)等。所述第一油墨子層221與第二油墨子層222的材質可為熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第一油墨子層221與第二油墨子層222的顏色可以是黑色、白色或彩色的。所述油墨層220的整體厚度介於2至10um。其中，所述第一油墨子層221的厚度優選為2um，所述第二油墨子層222的厚度優選為大於所述第一油墨子層221的厚度。The material of the protective substrate 210 may be selected from the group consisting of glass, polymethylmethyacrylate (PMMA), sapphire, polyethersulfone resin (PES), and polyethylene terephthalate (polyethylene terephthalate). PET) and so on. The material of the first ink sub-layer 221 and the second ink sub-layer 222 may be a thermosetting ink or a photo-curable ink, preferably an ink having a dielectric constant greater than 7. The colors of the first ink sub-layer 221 and the second ink sub-layer 222 may be black, white or colored. The ink layer 220 has an overall thickness of 2 to 10 um. The thickness of the first ink sub-layer 221 is preferably 2 um, and the thickness of the second ink sub-layer 222 is preferably greater than the thickness of the first ink sub-layer 221 .
由於所述指紋識別元件230是藉由第二油墨子層222在形成過程中由液態轉換為固態的特性固定在所述第一油墨子層221上，進而固定在所述保護基板210上，因此不需要在油墨層220與指紋識別元件230之間額外添加膠水，從而能夠減少指紋識別裝置200的厚度。Since the fingerprint recognition component 230 is fixed on the first ink sub-layer 221 by the liquid ink layer 222 during the formation process from the liquid state to the solid state, and is fixed on the protection substrate 210, It is not necessary to additionally add glue between the ink layer 220 and the fingerprint recognition element 230, so that the thickness of the fingerprint recognition device 200 can be reduced.
請參閱圖3，本發明第二實施方式所提供的指紋識別裝置300包括保護基板310、油墨層320以及指紋識別元件330。所述油墨層320形成在所述保護基板310上。所述指紋識別元件330形成在所述油墨層320上。所述保護基板310用於保護所述油墨層320與所述指紋識別元件330不會被破壞。所述油墨層320用於遮蔽該指紋識別元件330以實現指紋識別裝置300的美觀性。所述指紋識別元件330用於感應放置在所述保護基板310上對應所述指紋識別元件330位置的手指的指紋。Referring to FIG. 3 , the fingerprint identification device 300 provided by the second embodiment of the present invention includes a protection substrate 310 , an ink layer 320 , and a fingerprint recognition component 330 . The ink layer 320 is formed on the protective substrate 310. The fingerprint recognition element 330 is formed on the ink layer 320. The protective substrate 310 is used to protect the ink layer 320 and the fingerprint recognition component 330 from being damaged. The ink layer 320 is used to shield the fingerprint recognition component 330 to achieve the aesthetics of the fingerprint recognition device 300. The fingerprint identification component 330 is configured to sense a fingerprint of a finger placed on the protection substrate 310 corresponding to the location of the fingerprint identification component 330.
在本實施方式中，所述保護基板310具有彎曲的表面。具體地，所述保護基板310包括保護面311以及由所述保護面311向所述指紋識別元件330一側彎折的彎折面312。所述油墨層320包括層疊設置的第一油墨子層321與第二油墨子層322。所述第一油墨子層321位於所述第二油墨子層322與所述保護基板310之間。所述指紋識別元件330藉由所述第二油墨子層322粘貼在所述第一油墨子層321上。具體地，該第一油墨子層221形成在保護基板210表面上，該指紋識別元件230僅嵌入該第二油墨子層222中。In the present embodiment, the protective substrate 310 has a curved surface. Specifically, the protection substrate 310 includes a protection surface 311 and a bending surface 312 bent by the protection surface 311 toward the fingerprint recognition component 330 side. The ink layer 320 includes a first ink sub-layer 321 and a second ink sub-layer 322 which are stacked. The first ink sub-layer 321 is located between the second ink sub-layer 322 and the protective substrate 310. The fingerprint identification component 330 is pasted on the first ink sub-layer 321 by the second ink sub-layer 322. Specifically, the first ink sub-layer 221 is formed on the surface of the protective substrate 210, and the fingerprint recognition element 230 is only embedded in the second ink sub-layer 222.
所述保護基板310的材質可以選自玻璃、聚甲基丙烯酸甲酯(PolymethylMethacrylate，PMMA)、藍寶石、聚醚碸樹脂(Polyethersulfone resin，PES)以及聚對苯二甲酸乙二醇酯(polyethylene terephthalate，PET)等。所述第一油墨子層321與第二油墨子層322的材質可為熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第一油墨子層321與第二油墨子層322的顏色可以是黑色、白色或彩色的。所述油墨層320的整體厚度介於2至10um。其中，所述第一油墨子層321的厚度優選為2um，所述第二油墨子層322的厚度優選為大於所述第一油墨子層321的厚度。The material of the protective substrate 310 may be selected from the group consisting of glass, polymethylMethacrylate (PMMA), sapphire, polyethersulfone resin (PES), and polyethylene terephthalate (polyethylene terephthalate). PET) and so on. The material of the first ink sub-layer 321 and the second ink sub-layer 322 may be a thermosetting ink or a photo-curable ink, preferably an ink having a dielectric constant greater than 7. The colors of the first ink sub-layer 321 and the second ink sub-layer 322 may be black, white or colored. The ink layer 320 has an overall thickness of 2 to 10 um. The thickness of the first ink sub-layer 321 is preferably 2 um, and the thickness of the second ink sub-layer 322 is preferably greater than the thickness of the first ink sub-layer 321 .
由於所述指紋識別元件330是藉由第二油墨子層322在形成過程中由液態轉換為固態的特性固定在所述第一油墨子層321上，進而固定在所述保護基板310上，因此不需要在油墨層320與指紋識別元件330之間額外添加膠水，從而能夠減少指紋識別裝置300的厚度。Since the fingerprint recognition component 330 is fixed on the first ink sub-layer 321 by the liquid ink layer 322 during the formation process from the liquid state to the solid state, and is fixed on the protection substrate 310, It is not necessary to additionally add glue between the ink layer 320 and the fingerprint recognition element 330, so that the thickness of the fingerprint recognition device 300 can be reduced.
請參閱圖4，本發明第三實施方式所提供的指紋識別裝置400包括保護基板410、油墨層420、指紋識別元件430以及膠體440。所述油墨層420形成在所述保護基板410上。所述指紋識別元件430形成在所述油墨層420上。所述膠體440位於所述指紋識別元件430兩側的油墨層420上，並粘貼在所述指紋識別元件430的兩側。所述指紋識別元件430的兩側靠近所述油墨層420的一端被所述膠體440覆蓋。所述保護基板410用於保護所述油墨層420與所述指紋識別元件430不會被破壞。所述油墨層420用於遮蔽該指紋識別元件430以實現指紋識別裝置400的美觀性。所述指紋識別元件430用於感應放置在所述保護基板410上對應所述指紋識別元件430位置的手指的指紋。所述膠體440用於加強所述指紋識別元件430固定在油墨層420上的強度，同時還用於防止水汽進入所述指紋識別元件430。Referring to FIG. 4, a fingerprint identification device 400 according to a third embodiment of the present invention includes a protection substrate 410, an ink layer 420, a fingerprint recognition component 430, and a colloid 440. The ink layer 420 is formed on the protective substrate 410. The fingerprint recognition element 430 is formed on the ink layer 420. The colloid 440 is located on the ink layer 420 on both sides of the fingerprint identification component 430 and pasted on both sides of the fingerprint identification component 430. One end of the fingerprint recognition element 430 adjacent to the ink layer 420 is covered by the colloid 440. The protective substrate 410 is used to protect the ink layer 420 and the fingerprint recognition component 430 from being damaged. The ink layer 420 is used to shield the fingerprint recognition component 430 to achieve the aesthetics of the fingerprint recognition device 400. The fingerprint identification component 430 is configured to sense a fingerprint of a finger placed on the protection substrate 410 corresponding to the location of the fingerprint recognition component 430. The gel 440 is used to enhance the strength of the fingerprinting element 430 on the ink layer 420 while also preventing moisture from entering the fingerprinting element 430.
在本實施方式中，所述保護基板410是一平面的保護基板410。所述油墨層420包括層疊設置的第一油墨子層421與第二油墨子層422。所述第一油墨子層421位於所述第二油墨子層422與所述保護基板410之間。所述指紋識別元件430藉由所述第二油墨子層422粘貼在所述第一油墨子層421上。具體地，該第一油墨子層421形成在保護基板410的表面上，該指紋識別元件430僅嵌入該第二油墨子層422中，該膠體440位於所述指紋識別元件430兩側的第二油墨子層422上。In the embodiment, the protective substrate 410 is a planar protective substrate 410. The ink layer 420 includes a first ink sub-layer 421 and a second ink sub-layer 422 which are stacked. The first ink sub-layer 421 is located between the second ink sub-layer 422 and the protective substrate 410. The fingerprint recognition component 430 is pasted on the first ink sub-layer 421 by the second ink sub-layer 422. Specifically, the first ink sub-layer 421 is formed on the surface of the protective substrate 410, and the fingerprint recognition element 430 is only embedded in the second ink sub-layer 422, and the colloid 440 is located at the second side of the fingerprint identification element 430. On the ink sub-layer 422.
所述保護基板410的材質可以選自玻璃、聚甲基丙烯酸甲酯(PolymethylMethacrylate，PMMA)、藍寶石、聚醚碸樹脂(Polyethersulfone resin，PES)以及聚對苯二甲酸乙二醇酯(polyethylene terephthalate，PET)等。所述第一油墨子層421與第二油墨子層422的材質可為熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第一油墨子層421與第二油墨子層422的顏色可以是黑色、白色或彩色的。所述油墨層420的整體厚度介於2至10um。其中，所述第一油墨子層321的厚度優選為2um，所述第二油墨子層322的厚度優選為大於所述第一油墨子層321的厚度。所述膠體440為三強膠。The material of the protective substrate 410 may be selected from the group consisting of glass, polymethylmethacrylate (PMMA), sapphire, polyethersulfone resin (PES), and polyethylene terephthalate (polyethylene terephthalate). PET) and so on. The material of the first ink sub-layer 421 and the second ink sub-layer 422 may be a thermosetting ink or a photo-curable ink, preferably an ink having a dielectric constant greater than 7. The colors of the first ink sub-layer 421 and the second ink sub-layer 422 may be black, white or colored. The ink layer 420 has an overall thickness of 2 to 10 um. The thickness of the first ink sub-layer 321 is preferably 2 um, and the thickness of the second ink sub-layer 322 is preferably greater than the thickness of the first ink sub-layer 321 . The colloid 440 is a three strong glue.
由於所述指紋識別元件430是藉由第二油墨子層422在形成過程中由液態轉換為固態的特性固定在所述第一油墨子層421上，進而固定在所述保護基板410上，因此不需要在油墨層420與指紋識別元件430之間額外添加膠水，從而能夠減少指紋識別裝置400的厚度。同時，所述膠體440能夠在不增加指紋識別裝置400厚度的前提下加強指紋識別元件430固定在油墨層420上的強度，並防止水汽進入所述指紋識別元件430，從而提高所述指紋識別元件430的穩定性。Since the fingerprint recognition component 430 is fixed on the first ink sub-layer 421 by the liquid-to-solid conversion of the second ink sub-layer 422 during formation, thereby being fixed on the protective substrate 410, It is not necessary to additionally add glue between the ink layer 420 and the fingerprint recognition element 430, so that the thickness of the fingerprint recognition device 400 can be reduced. At the same time, the colloid 440 can enhance the strength of the fingerprint recognition component 430 on the ink layer 420 without increasing the thickness of the fingerprint recognition device 400, and prevent moisture from entering the fingerprint recognition component 430, thereby improving the fingerprint recognition component. 430 stability.
請參閱圖5，本發明第四實施方式所提供的指紋識別裝置500包括保護基板510、油墨層520以及指紋識別元件530。所述保護基板510的內表面上開設有凹槽550。該凹槽550的深度小於該保護基板510的厚度。所述油墨層520形成在所述凹槽550內。所述指紋識別元件530形成在所述凹槽550內的油墨層520上。所述保護基板510用於保護所述油墨層520與所述指紋識別元件530不會被破壞。所述油墨層520用於遮蔽該指紋識別元件530以實現指紋識別裝置500的美觀性。所述指紋識別元件530用於感應放置在所述保護基板510上對應所述指紋識別元件530位置的手指的指紋。Referring to FIG. 5 , the fingerprint identification device 500 according to the fourth embodiment of the present invention includes a protection substrate 510 , an ink layer 520 , and a fingerprint recognition component 530 . A groove 550 is defined in an inner surface of the protective substrate 510. The depth of the groove 550 is smaller than the thickness of the protective substrate 510. The ink layer 520 is formed within the groove 550. The fingerprint recognition element 530 is formed on the ink layer 520 within the recess 550. The protective substrate 510 is used to protect the ink layer 520 and the fingerprint recognition component 530 from being damaged. The ink layer 520 is used to shield the fingerprint recognition component 530 to achieve the aesthetics of the fingerprint recognition device 500. The fingerprint identification component 530 is configured to sense a fingerprint of a finger placed on the protection substrate 510 corresponding to the location of the fingerprint identification component 530.
所述油墨層520包括層疊設置的第一油墨子層521與第二油墨子層522。所述第一油墨子層521位於所述第二油墨子層522與所述保護基板510之間。所述指紋識別元件530藉由所述第二油墨子層522粘貼在所述第一油墨子層521上。具體地，該指紋識別元件530僅嵌入該第二油墨子層522中。The ink layer 520 includes a first ink sub-layer 521 and a second ink sub-layer 522 which are stacked. The first ink sub-layer 521 is located between the second ink sub-layer 522 and the protective substrate 510. The fingerprint recognition component 530 is pasted on the first ink sub-layer 521 by the second ink sub-layer 522. In particular, the fingerprinting component 530 is only embedded in the second ink sub-layer 522.
所述保護基板510的材質可以選自玻璃、聚甲基丙烯酸甲酯(PolymethylMethacrylate，PMMA)、藍寶石、聚醚碸樹脂(Polyethersulfone resin，PES)以及聚對苯二甲酸乙二醇酯(polyethylene terephthalate，PET)等。所述第一油墨子層521與第二油墨子層522的材質可為熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第一油墨子層521與第二油墨子層522的顏色可以是黑色、白色或彩色的。所述油墨層520的整體厚度介於2至10um。其中，所述第一油墨子層521的厚度優選為2um，所述第二油墨子層522的厚度優選為大於所述第一油墨子層521的厚度。The material of the protective substrate 510 may be selected from the group consisting of glass, polymethylmethyacrylate (PMMA), sapphire, polyethersulfone resin (PES), and polyethylene terephthalate (polyethylene terephthalate). PET) and so on. The material of the first ink sub-layer 521 and the second ink sub-layer 522 may be a thermosetting ink or a photo-curable ink, preferably an ink having a dielectric constant greater than 7. The colors of the first ink sub-layer 521 and the second ink sub-layer 522 may be black, white or colored. The ink layer 520 has an overall thickness of 2 to 10 um. The thickness of the first ink sub-layer 521 is preferably 2 um, and the thickness of the second ink sub-layer 522 is preferably greater than the thickness of the first ink sub-layer 521.
由於所述指紋識別元件530是藉由第二油墨子層522在形成過程中由液態轉換為固態的特性固定在所述第一油墨子層521上，進而固定在所述保護基板510上，因此不需要在油墨層520與指紋識別元件530之間額外添加膠水，從而能夠減少指紋識別裝置500的厚度。Since the fingerprint recognition component 530 is fixed on the first ink sub-layer 521 by the liquid ink layer 522 during the formation process from the liquid state to the solid state, and is fixed on the protection substrate 510, It is not necessary to additionally add glue between the ink layer 520 and the fingerprint recognition element 530, so that the thickness of the fingerprint recognition device 500 can be reduced.
請參閱圖6，本發明第五實施方式所提供的指紋識別裝置600包括保護基板610、油墨層620、指紋識別元件630以及膠體640。所述保護基板610的內表面開設有凹槽650。該凹槽650的深度小於該保護基板610的厚度。所述油墨層620形成在所述凹槽650內。所述指紋識別元件630形成在所述凹槽650內的油墨層620上。所述膠體640位於所述指紋識別元件640兩側的油墨層620上，並粘貼在所述指紋識別元件630的兩側，且將所述凹槽650填充滿。所述指紋識別元件630的兩側全部被所述膠體640覆蓋。所述保護基板610用於保護所述油墨層620與所述指紋識別元件630不會被破壞。所述油墨層620用於遮蔽所述指紋識別元件630以實現指紋識別裝置600的美觀性。所述指紋識別元件630用於感應放置在所述保護基板610上對應所述指紋識別元件530位置的手指的指紋。所述膠體640用於加強所述指紋識別元件630固定在油墨層620上的強度，同時還用於防止水汽進入所述指紋識別元件630。Referring to FIG. 6 , a fingerprint identification device 600 according to a fifth embodiment of the present invention includes a protection substrate 610 , an ink layer 620 , a fingerprint recognition component 630 , and a colloid 640 . The inner surface of the protective substrate 610 is provided with a recess 650. The depth of the groove 650 is smaller than the thickness of the protective substrate 610. The ink layer 620 is formed within the recess 650. The fingerprinting element 630 is formed on the ink layer 620 within the recess 650. The colloid 640 is located on the ink layer 620 on both sides of the fingerprint identification component 640 and is pasted on both sides of the fingerprint identification component 630, and the recess 650 is filled. Both sides of the fingerprint recognition element 630 are all covered by the colloid 640. The protective substrate 610 is used to protect the ink layer 620 and the fingerprint recognition component 630 from being damaged. The ink layer 620 is used to shield the fingerprint recognition component 630 to achieve the aesthetics of the fingerprint recognition device 600. The fingerprint identification component 630 is configured to sense a fingerprint of a finger placed on the protection substrate 610 corresponding to the location of the fingerprint identification component 530. The gel 640 is used to enhance the strength of the fingerprinting element 630 on the ink layer 620 while also preventing moisture from entering the fingerprinting element 630.
所述油墨層620包括層疊設置的第一油墨子層621與第二油墨子層622。所述第一油墨子層621位於所述第二油墨子層622與所述保護基板610之間。所述指紋識別元件630藉由所述第二油墨子層622粘貼在所述第一油墨子層621上。具體地，所述指紋識別元件630僅嵌入所述第二油墨子層622中。所述膠體640位於所述指紋識別元件630兩側的第二油墨層622上。The ink layer 620 includes a first ink sub-layer 621 and a second ink sub-layer 622 which are stacked. The first ink sub-layer 621 is located between the second ink sub-layer 622 and the protective substrate 610. The fingerprint identification component 630 is pasted on the first ink sub-layer 621 by the second ink sub-layer 622. In particular, the fingerprint recognition component 630 is only embedded in the second ink sub-layer 622. The colloid 640 is located on the second ink layer 622 on both sides of the fingerprint identification component 630.
所述保護基板610的材質可以選自玻璃、聚甲基丙烯酸甲酯(PolymethylMethacrylate，PMMA)、藍寶石、聚醚碸樹脂(Polyethersulfone resin，PES)以及聚對苯二甲酸乙二醇酯(polyethylene terephthalate，PET)等。所述第一油墨子層621與第二油墨子層622的材質可為熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第一油墨子層621與第二油墨子層622的顏色可以是黑色、白色或彩色的。所述油墨層620的整體厚度介於2至10um。其中，所述第一油墨子層621的厚度優選為2um，所述第二油墨子層622的厚度優選為大於所述第一油墨子層621的厚度。所述膠體640為三強膠。The material of the protective substrate 610 may be selected from the group consisting of glass, polymethylmethyacrylate (PMMA), sapphire, polyethersulfone resin (PES), and polyethylene terephthalate (polyethylene terephthalate). PET) and so on. The material of the first ink sub-layer 621 and the second ink sub-layer 622 may be a thermosetting ink or a photo-curable ink, preferably an ink having a dielectric constant greater than 7. The color of the first ink sub-layer 621 and the second ink sub-layer 622 may be black, white or colored. The ink layer 620 has an overall thickness of 2 to 10 um. The thickness of the first ink sub-layer 621 is preferably 2 um, and the thickness of the second ink sub-layer 622 is preferably greater than the thickness of the first ink sub-layer 621. The colloid 640 is a three strong glue.
由於所述指紋識別元件630是藉由第二油墨子層622在形成過程中由液態轉換為固態的特性固定在所述第一油墨子層621上，進而固定在所述保護基板610上，因此不需要在油墨層620與指紋識別元件630之間額外添加膠水，從而能夠減少指紋識別裝置600的厚度。同時，所述膠體640能夠在不增加指紋識別裝置600厚度的前提下加強指紋識別元件630固定在油墨層620上的強度，並防止水汽進入所述指紋識別元件630，從而提高所述指紋識別元件630的穩定性。Since the fingerprint recognition component 630 is fixed on the first ink sub-layer 621 by the liquid-to-solid conversion of the second ink sub-layer 622 during formation, thereby being fixed on the protective substrate 610, It is not necessary to additionally add glue between the ink layer 620 and the fingerprint recognition element 630, so that the thickness of the fingerprint recognition device 600 can be reduced. At the same time, the colloid 640 can enhance the strength of the fingerprint recognition component 630 on the ink layer 620 without increasing the thickness of the fingerprint recognition device 600, and prevent moisture from entering the fingerprint recognition component 630, thereby improving the fingerprint recognition component. Stability of 630.
請參閱圖7，為所述指紋識別裝置的製造方法的流程圖。可以理解，上述五個實施例的指紋識別裝置的製造方法大致相同。為方便說明，現以上述第三個實施方式中的指紋識別裝置400的製造方法為例進行說明，其餘實施方式不再累述。該方法包括如下步驟：Please refer to FIG. 7 , which is a flowchart of a method of manufacturing the fingerprint identification device. It can be understood that the manufacturing methods of the fingerprint recognition apparatuses of the above five embodiments are substantially the same. For convenience of description, the manufacturing method of the fingerprint identification device 400 in the above third embodiment will be described as an example, and the rest of the embodiments will not be described again. The method comprises the following steps:
步驟S201，請一併參閱圖8，提供保護基板410，並在所述保護基板410上塗布第一油墨材料層420a。所述第一油墨材料層420a的材質可以選自熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第一油墨材料層420a的厚度優選為2um。所述第一油墨材料層420a的顏色可以是黑色、白色或彩色的。在本實施例中，所述保護基板410為一平面，可以理解，所述保護基板410也可為其他形狀，如實施例二所述的平面為曲面，實施例五與六所述的為具有一凹槽的平板結構，並不以此為限。In step S201, referring to FIG. 8, a protective substrate 410 is provided, and a first ink material layer 420a is coated on the protective substrate 410. The material of the first ink material layer 420a may be selected from thermosetting inks or photosetting inks, preferably inks having a dielectric constant greater than 7. The thickness of the first ink material layer 420a is preferably 2 um. The color of the first ink material layer 420a may be black, white or colored. In this embodiment, the protective substrate 410 is a flat surface. It can be understood that the protective substrate 410 can also have other shapes. The plane as described in the second embodiment is a curved surface, and the embodiments described in the fifth and sixth embodiments have A flat plate structure of a groove is not limited thereto.
步驟S202，請參閱圖9，固化所述第一油墨材料層420a以形成第一油墨子層421。其中，固化所述第一油墨材料層420a的方法包括對所述第一油墨材料層420a進行加熱、藉由紫外光照射所述第一油墨材料層420a等方式。Step S202, referring to FIG. 9, the first ink material layer 420a is cured to form a first ink sub-layer 421. The method of curing the first ink material layer 420a includes heating the first ink material layer 420a, irradiating the first ink material layer 420a with ultraviolet light, and the like.
步驟S203，請參閱圖10，在所述第一油墨子層421上塗布第二油墨材料層420b。所述第二油墨材料層420b的材質可以選自熱固性油墨或光固性油墨，優選為介電係數大於7的油墨。所述第二油墨材料層420b的厚度優選為2um。所述第二油墨材料層420b的顏色可以是黑色、白色或彩色的。Step S203, referring to FIG. 10, a second ink material layer 420b is coated on the first ink sub-layer 421. The material of the second ink material layer 420b may be selected from thermosetting inks or photo-curable inks, preferably inks having a dielectric constant greater than 7. The thickness of the second ink material layer 420b is preferably 2 um. The color of the second ink material layer 420b may be black, white or colored.
步驟S204，請參閱圖11，固化所述第二油墨材料層420b，並在在所述第二油墨材料層420b未完全固化時設置嵌入該第二油墨材料層420b的指紋識別元件430。可以理解，由於所述第二油墨材料層420b尚未被固化，所述第二油墨材料層420b為粘稠狀的液體，因此所述指紋識別元件430設置在所述第二油墨材料層420b上後，位於所述指紋識別元件430與第一油墨子層421之間的部分第二油墨材料層420b被擠壓至所述指紋識別元件430的兩側。Step S204, referring to FIG. 11, curing the second ink material layer 420b, and providing the fingerprint recognition element 430 embedded in the second ink material layer 420b when the second ink material layer 420b is not fully cured. It can be understood that since the second ink material layer 420b has not been cured, the second ink material layer 420b is a viscous liquid, so the fingerprint identification element 430 is disposed on the second ink material layer 420b. A portion of the second ink material layer 420b between the fingerprint recognition element 430 and the first ink sub-layer 421 is pressed to both sides of the fingerprint recognition element 430.
步驟S205，請參閱圖12，完成固化所述第二油墨材料層420b以形成第二油墨子層422。此時，該指紋識別元件430嵌入該第二油墨子層422中。其中，固化所述第二油墨材料層420b的方法包括對所述第二油墨材料層420b進行加熱、藉由紫外光照射所述第二油墨材料層420b等方式。Step S205, referring to FIG. 12, the curing of the second ink material layer 420b is completed to form a second ink sub-layer 422. At this time, the fingerprint recognition component 430 is embedded in the second ink sub-layer 422. The method of curing the second ink material layer 420b includes heating the second ink material layer 420b, irradiating the second ink material layer 420b by ultraviolet light, and the like.
步驟S206，請參閱圖13，在所述第二油墨子層422上形成膠體440，所述膠體440位於所述指紋識別元件430兩側的第二油墨子層422上並粘貼在所述指紋識別元件430的兩側面上。Step S206, referring to FIG. 13, a colloid 440 is formed on the second ink sub-layer 422, and the colloid 440 is located on the second ink sub-layer 422 on both sides of the fingerprint identification element 430 and pasted on the fingerprint identification. On both sides of the element 430.
至此，所述指紋識別裝置400製作完成。可以理解，步驟S206可以省略。並且，對於單層結構的油墨層420而言，步驟S203省略，且僅需在單層油墨層未完全固化時設置並嵌入該指紋識別元件即可。So far, the fingerprint identification device 400 is completed. It can be understood that step S206 can be omitted. Moreover, for the ink layer 420 of the single-layer structure, step S203 is omitted, and it is only necessary to set and embed the fingerprint recognition element when the single-layer ink layer is not completely cured.
綜上所述，本創作符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅為本創作之較佳實施例，本創作之範圍並不以上述實施例為限，舉凡熟習本案技藝之人士爰依本創作之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be equivalently modified or changed according to the spirit of the present invention. It should be covered by the following patent application.
20‧‧‧電子裝置20‧‧‧Electronic devices
100‧‧‧保護蓋板100‧‧‧ protective cover
110‧‧‧觸控區110‧‧‧ touch area
120‧‧‧非觸控區120‧‧‧ non-touch area
100a‧‧‧開口100a‧‧‧ openings
200、300、400、500、600‧‧‧指紋識別裝置200, 300, 400, 500, 600‧‧‧ fingerprint identification device
210、310、410、510、610‧‧‧保護基板210, 310, 410, 510, 610‧‧‧protective substrate
220、320、420、520、620‧‧‧油墨層220, 320, 420, 520, 620‧ ‧ ink layer
221、321、421、521、621‧‧‧第一油墨子層221, 321, 421, 521, 621‧‧‧ first ink sublayer
222、322、422、522、622‧‧‧第二油墨子層222, 322, 422, 522, 622‧‧‧ second ink sublayer
230、330、430、530、630‧‧‧指紋識別元件230, 330, 430, 530, 630 ‧ ‧ fingerprint identification components
440、640‧‧‧膠體440, 640‧‧ ‧ colloid
550、650‧‧‧凹槽550, 650‧ ‧ grooves
311‧‧‧保護面311‧‧‧protective surface
312‧‧‧彎折面312‧‧‧Bend surface
420a‧‧‧第一油墨材料層420a‧‧‧First ink material layer
420b‧‧‧第二油墨材料層420b‧‧‧Second ink material layer
無no
200‧‧‧指紋識別裝置 200‧‧‧Fingerprint identification device
210‧‧‧保護基板 210‧‧‧Protected substrate
220‧‧‧油墨層 220‧‧‧Ink layer
221‧‧‧第一油墨子層 221‧‧‧First ink sublayer
222‧‧‧第二油墨子層 222‧‧‧Second ink sublayer
230‧‧‧指紋識別元件 230‧‧‧Fingerprint identification component
Claims (14)
提供保護基板，並在所述保護上塗布油墨材料層；
固化所述油墨材料層，並在所述油墨材料層未完全固化時設置嵌入該油墨材料層的指紋識別元件；以及
完成固化所述油墨材料層以形成油墨層。A method of manufacturing a fingerprint identification device, comprising:
Providing a protective substrate and coating a layer of ink material on the protection;
The layer of ink material is cured, and a fingerprint identifying element embedded in the layer of ink material is disposed when the layer of ink material is not fully cured; and the layer of ink material is cured to form an ink layer.
在所述保護基板上塗布第一油墨材料層；
固化所述第一油墨材料層以形成第一油墨子層；以及
在所述第一油墨子層上塗布第二油墨材料層。The method of manufacturing a fingerprint identification device according to claim 10, wherein the step of coating the ink material layer comprises:
Coating a first ink material layer on the protective substrate;
Curing the first layer of ink material to form a first ink sub-layer; and coating a second layer of ink material on the first ink sub-layer.
在所述油墨層上形成膠體，所述膠體位於所述指紋識別元件兩側的油墨層上並粘貼在所述指紋識別元件的兩側面上。The method of manufacturing the fingerprint identification device of claim 10, wherein after the ink layer is formed, the method further comprises:
A colloid is formed on the ink layer, the colloid being located on the ink layers on both sides of the fingerprint recognition element and pasted on both sides of the fingerprint recognition element.
The method of manufacturing a fingerprint identification device according to claim 10, wherein the method of curing the ink layer comprises heating the ink material layer and irradiating the ink layer with ultraviolet light.
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