TWM464830U - Li battery structure - Google Patents
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- TWM464830U TWM464830U TW102208539U TW102208539U TWM464830U TW M464830 U TWM464830 U TW M464830U TW 102208539 U TW102208539 U TW 102208539U TW 102208539 U TW102208539 U TW 102208539U TW M464830 U TWM464830 U TW M464830U
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Description
本創作係有關於一種鋰電池結構，尤指一種能有效提高效能，並確保使用安全者。This creation is about a lithium battery structure, especially one that can effectively improve performance and ensure safe use.
目前所使用之鋰電池，主要包括一殼體，殼體內置放有電解質溶液及鋰電池卷芯，鋰電池卷芯係由正極片、隔離膜及負極片連續捲繞而成，正極片之上方直接形成或焊接複數個正極極耳，複數個正極極耳直接焊接在正極接線柱之底部，負極片之上方直接形成或焊接複數個負極極耳，複數個負極極耳直接焊接在殼體的負極接線柱的底部，而經由正極接線柱及負極接線柱頂部之外螺紋分別螺合一螺母後，即可分別固定不同的接線端子，以輸出正、負電。The lithium battery currently used mainly comprises a casing, which is provided with an electrolyte solution and a lithium battery core, and the lithium battery core is continuously wound by a positive electrode sheet, a separator film and a negative electrode sheet, and is above the positive electrode sheet. Directly forming or welding a plurality of positive electrode tabs, a plurality of positive electrode tabs are directly welded to the bottom of the positive electrode terminal, and a plurality of negative electrode tabs are directly formed or welded on the negative electrode plate, and a plurality of negative electrode tabs are directly welded to the negative electrode of the housing At the bottom of the binding post, and a nut is screwed through the outer screw of the positive terminal and the top of the negative terminal, respectively, different terminals can be fixed to output positive and negative power.
惟，上述卷芯的正極極耳及負極極耳分別焊接於正、負極接線柱的底部，由於焊接點的品質不易控制，且常為點狀及單側的接觸，因此，容易造成導電及散熱不良的問題。再者，當鋰電池倒置時，由於卷芯之正極片或負極片會有向下移動及讓正極、負極極耳變形的問題，如此一來，將會有造成短路的潛在危險。However, the positive electrode tab and the negative electrode tab of the above-mentioned winding core are respectively welded to the bottoms of the positive and negative terminals, and the quality of the solder joint is difficult to control, and is often a point-like and one-sided contact, so that it is easy to cause conduction and heat dissipation. Bad problem. Furthermore, when the lithium battery is inverted, there is a possibility that the positive electrode or the negative electrode of the core may move downward and the positive and negative poles are deformed, so that there is a potential danger of causing a short circuit.
有鑑於此，為了提供一種有別於習用鋰電池的鋰電池結構，以改進上述之缺點，並達到下列之目的，創作人積多年的經驗及不斷的研 發改進，遂有本創作之產生。In view of this, in order to provide a lithium battery structure different from the conventional lithium battery, in order to improve the above disadvantages and achieve the following purposes, the creator has accumulated many years of experience and continuous research. Improvements have been made and there is no such creation.
本創作之一目的在提供一種鋰電池結構，藉由在蓋板的下方設有分別呈ㄇ形之正極連接片及負極連接片，以分別夾置複數個正極極耳及複數個負極極耳之結構，俾能分別穩固連結複數個正極極耳及複數個負極極耳，以使導電佳、散熱快、內阻小，並使方便組裝。One of the purposes of the present invention is to provide a lithium battery structure by providing a positive electrode connecting piece and a negative electrode connecting piece respectively under the cover plate to respectively sandwich a plurality of positive electrode tabs and a plurality of negative electrode tabs. The structure can stably connect a plurality of positive electrode tabs and a plurality of negative electrode tabs respectively, so that the conductivity is good, the heat dissipation is fast, the internal resistance is small, and the assembly is convenient.
本創作之一目的在提供一種鋰電池結構，藉由在絕緣片與卷芯之間設有定位件，並以定位件之兩端分別抵壓絕緣片之底端及與卷芯之頂端之結構，俾能有效定位卷芯，避免造成短路，以確保使用安全。One of the purposes of the present invention is to provide a lithium battery structure by providing a positioning member between the insulating sheet and the winding core, and pressing the two ends of the positioning member against the bottom end of the insulating sheet and the structure of the top end of the winding core.俾 can effectively position the core to avoid short circuit to ensure safe use.
為達上述創作之目的，本創作所設之鋰電池結構係包括一殼體、一正極接線組件、一負極接線組件、一正極連接片、一負極連接片以及一卷芯。其中，該殼體包括一頂端具有開口之下殼體及一蓋合於下殼體頂端以封閉開口之蓋板，該正極接線組件及負極接線組件係設於蓋板上；該正極連接片結合於蓋板下方，正極連接片之頂端與正極接線組件呈電性連接，正極連接片之底端向下延伸第一正極結合部及第二正極結合部；該負極連接片結合於蓋板下方，負極連接片之頂端與負極接線組件呈電性連接，負極連接片之底端向下延伸第一負極結合部及第二負極結合部；而該卷芯係容置於下殼體內，卷芯之頂端設有複數個正極極耳及複數個負極極耳，該等正極極耳夾置並結合於第一、第二正極結合部之間，該等負極極耳夾置並結合於第一、第二負極結合 部之間。For the purpose of the above creation, the lithium battery structure of the present invention comprises a casing, a positive electrode assembly, a negative electrode assembly, a positive connection piece, a negative connection piece and a core. The housing includes a top end having an open lower housing and a cover covering the top end of the lower housing to close the opening, the positive wiring assembly and the negative wiring assembly are disposed on the cover; the positive connecting piece is combined Below the cover plate, the top end of the positive electrode tab is electrically connected to the positive electrode terminal assembly, and the bottom end of the positive electrode tab extends downwardly to the first positive electrode joint portion and the second positive electrode joint portion; the negative electrode tab is coupled to the lower portion of the cover plate. The top end of the negative electrode connecting piece is electrically connected to the negative electrode connecting component, and the bottom end of the negative electrode connecting piece extends downwardly to the first negative electrode bonding portion and the second negative electrode bonding portion; and the winding core is housed in the lower casing, and the core is wound The top end is provided with a plurality of positive poles and a plurality of negative poles, and the positive poles are sandwiched and coupled between the first and second positive electrode joints, and the negative poles are sandwiched and combined with the first and the first Two negative electrode combination Between the ministries.
實施時，蓋板包括頂板及絕緣片，頂板及絕緣片上、下重疊，且絕緣片夾置於頂板與正、負極連接片之間。而一定位件係位於絕緣片與卷芯之間，供向下抵壓並定位卷芯。In implementation, the cover plate includes a top plate and an insulating sheet, and the top plate and the insulating sheet overlap each other, and the insulating sheet is sandwiched between the top plate and the positive and negative connecting pieces. A positioning member is located between the insulating sheet and the winding core for pressing downward and positioning the winding core.
實施時，該定位件係呈U形。When implemented, the positioning member is U-shaped.
實施時，本創作更包括一第三正極結合部、一第四正極結合部、一第三負極結合部及一第四負極結合部，其中，第三、第四正極結合部分別由正極連接片之底端向下延伸，第三、第四正極結合部位於第一、第二正極結合部之間；而第三、第四負極結合部分別由負極連接片之底端向下延伸，且第三、第四負極結合部位於第一、第二負極結合部之間。In the implementation, the creation further includes a third positive electrode bonding portion, a fourth positive electrode bonding portion, a third negative electrode bonding portion and a fourth negative electrode bonding portion, wherein the third and fourth positive electrode bonding portions are respectively connected by the positive electrode connecting piece The bottom end extends downwardly, and the third and fourth positive electrode joints are located between the first and second positive electrode joint portions; and the third and fourth negative electrode joint portions respectively extend downward from the bottom end of the negative electrode connecting piece, and 3. The fourth negative electrode bonding portion is located between the first and second negative electrode bonding portions.
為便於對本創作能有更深入的瞭解，茲詳述於後：In order to facilitate a deeper understanding of this creation, it is detailed later:
1‧‧‧鋰電池結構1‧‧‧Lithium battery structure
2‧‧‧殼體2‧‧‧Shell
21‧‧‧開口21‧‧‧ openings
22‧‧‧下殼體22‧‧‧ Lower case
23‧‧‧蓋板23‧‧‧ Cover
24‧‧‧頂板24‧‧‧ top board
25‧‧‧絕緣片25‧‧‧Insulation sheet
26‧‧‧防爆孔26‧‧‧Explosion-proof holes
27‧‧‧膠套27‧‧‧ rubber sleeve
3‧‧‧正極接線組件3‧‧‧ positive terminal assembly
4‧‧‧負極接線組件4‧‧‧Negative wiring assembly
5‧‧‧正極連接片5‧‧‧ positive connection piece
51‧‧‧第一正極結合部51‧‧‧First positive junction
52‧‧‧第二正極結合部52‧‧‧Second positive junction
53‧‧‧第三正極結合部53‧‧‧ Third positive junction
54‧‧‧第四正極結合部54‧‧‧fourth positive junction
6‧‧‧負極連接片6‧‧‧Negative connection piece
61‧‧‧第一負極結合部61‧‧‧First negative junction
62‧‧‧第二負極結合部62‧‧‧Second negative junction
63‧‧‧第三負極結合部63‧‧‧ Third negative junction
64‧‧‧第四負極結合部64‧‧‧fourth negative junction
7‧‧‧卷芯7‧‧‧Volume core
71‧‧‧正極極耳71‧‧‧ positive pole
72‧‧‧負極極耳72‧‧‧Negative pole
8‧‧‧定位件8‧‧‧ Positioning parts
81‧‧‧底板81‧‧‧floor
82‧‧‧支腳82‧‧‧ feet
第1圖係為本創作之較佳實施例之元件分解圖。Figure 1 is an exploded view of the preferred embodiment of the present invention.
第2A、2B圖係為本創作之較佳實施例之部份元件組合後之立體外觀圖。2A and 2B are perspective views of a combination of some of the components of the preferred embodiment of the present invention.
第3圖係為本創作之較佳實施例之部份元件組合後之立體外觀圖。Figure 3 is a perspective view of a combination of some of the components of the preferred embodiment of the present invention.
第4圖係為本創作之較佳實施例之所有元件完成組裝前之立體外觀圖。Figure 4 is a perspective view of the components of the preferred embodiment of the present invention prior to assembly.
請參閱第1~3圖所示，其為本創作鋰電池結構1之較佳實施例，係包括一殼體2、一正極接線組件3、一負極接線組件4、一正極連接片5、一負極連接片6、一卷芯7以及一定位件8。Please refer to FIG. 1 to FIG. 3 , which is a preferred embodiment of the lithium battery structure 1 , comprising a casing 2 , a positive electrode assembly 3 , a negative electrode assembly 4 , a positive connection piece 5 , and a first embodiment. The negative electrode connecting piece 6, a winding core 7, and a positioning member 8.
該殼體2係為中空的長方形體，包括一頂端具有開口21的下殼體22及一蓋合在下殼體22頂端以封閉該開口21的蓋板23。該蓋板23包括一頂板24及一絕緣片25，頂板24及絕緣片25上、下重疊，蓋板23的中央部位形成一防爆孔26。位於防爆孔26兩側的蓋板23上分別設有膠套27，任一膠套27底面之中空管向下凸出，並分別穿過頂板24及絕緣片25。The casing 2 is a hollow rectangular body including a lower casing 22 having an opening 21 at its top end and a cover plate 23 which is closed at the top end of the lower casing 22 to close the opening 21. The cover plate 23 includes a top plate 24 and an insulating sheet 25. The top plate 24 and the insulating sheet 25 overlap each other, and an explosion-proof hole 26 is formed in a central portion of the cover plate 23. A rubber sleeve 27 is respectively disposed on the cover plate 23 on both sides of the explosion-proof hole 26, and the hollow tube on the bottom surface of any of the rubber sleeves 27 protrudes downward and passes through the top plate 24 and the insulating sheet 25, respectively.
該正極、負極接線組件(3、4)分別置放於二個膠套27之上方，經由鉚接方式將正極連接片5之頂端、蓋板23及正極接線組件3連結固定，將負極連接片6之頂端、蓋板23及負極接線組件4連結固定，使絕緣片25夾置於頂板24與正、負極連接片(5、6)之間。The positive electrode and the negative electrode terminal assembly (3, 4) are respectively placed above the two rubber sleeves 27, and the top end of the positive electrode connecting piece 5, the cover plate 23 and the positive electrode terminal assembly 3 are connected and fixed by riveting, and the negative electrode connecting piece 6 is connected. The top end, the cover plate 23 and the negative electrode terminal assembly 4 are connected and fixed, and the insulating sheet 25 is interposed between the top plate 24 and the positive and negative connecting pieces (5, 6).
該正極連接片5係由二塊大小不同之U形片體所組成，其中較大片體之底端分別向下延伸以形成一第一正極結合部51及一第二正極結合部52，較小片體之底端分別向下延伸以形成一第三正極結合部53及一第四正極結合部54，當二塊U形片體層疊，並同時鉚接於蓋板23上時，即可讓第三、第四正極結合部(53、54)位於第一、第二正極結合部(51、52)之間，並在第一、第三正極結合部(51、53)之間形成一個間隙，在第二、 第四正極結合部(52、54)之間形成另一個間隙。The positive connecting piece 5 is composed of two U-shaped pieces of different sizes, wherein the bottom ends of the larger pieces extend downwardly to form a first positive electrode bonding portion 51 and a second positive electrode bonding portion 52, which are smaller. The bottom ends of the sheets extend downwardly to form a third positive electrode joint portion 53 and a fourth positive electrode joint portion 54. When the two U-shaped sheets are stacked and simultaneously riveted to the cover plate 23, the first 3. The fourth positive electrode bonding portion (53, 54) is located between the first and second positive electrode bonding portions (51, 52), and forms a gap between the first and third positive electrode bonding portions (51, 53). In the second, Another gap is formed between the fourth positive electrode joints (52, 54).
該負極連接片6同樣係由二塊大小不同之U形片體 所組成，較大片體之底端分別向下延伸以形成一第一負極結合部61及一第二負極結合部62，較小片體之底端分別向下延伸以形成一第三負極結合部63及一第四負極結合部64，當二塊U形片體層疊，並同時鉚接於蓋板23上時，第三、第四負極結合部(63、64)位於第一、第二負極結合部(61、62)之間，第一、第三負極結合部(61、63)之間形成一個間隙，而在第二、第四負極結合部(62、64)之間形成另一個間隙。The negative connecting piece 6 is also composed of two U-shaped pieces of different sizes. The bottom ends of the larger sheets are respectively extended downward to form a first negative electrode joint portion 61 and a second negative electrode joint portion 62. The bottom ends of the smaller sheets are respectively extended downward to form a third negative electrode joint portion. 63 and a fourth negative electrode bonding portion 64, when the two U-shaped sheets are laminated and simultaneously riveted to the cover plate 23, the third and fourth negative electrode bonding portions (63, 64) are located at the first and second negative electrodes. Between the portions (61, 62), a gap is formed between the first and third negative electrode bonding portions (61, 63), and another gap is formed between the second and fourth negative electrode bonding portions (62, 64).
實施時，第一、第二、第三、第四正極結合部(51、 52、53、54)亦可直接由正極連接片5之底端向下平行延伸而成，第一、第二、第三、第四負極結合部(61、62、63、64)亦可直接由負極連接片6之底端向下平行延伸而成，同樣可以在第一、第三正極結合部(51、53)之間、第二、第四正極結合部(52、54)之間、第一、第三負極結合部(61、63)之間及第二、第四負極結合部(62、64)之間分別形成一個間隙。When implemented, the first, second, third, and fourth positive electrode joints (51, 52, 53, 54) may also directly extend downward from the bottom end of the positive electrode tab 5, and the first, second, third, and fourth negative electrode joints (61, 62, 63, 64) may also be directly The bottom end of the negative electrode connecting piece 6 extends in parallel downward, and can also be between the first and third positive electrode bonding portions (51, 53), between the second and fourth positive electrode bonding portions (52, 54), A gap is formed between the first and third negative electrode bonding portions (61, 63) and between the second and fourth negative electrode bonding portions (62, 64), respectively.
該卷芯7係為正極片、隔離膜及負極片層疊之後連 續捲繞而成，實施時，該卷芯7亦可為正極片、隔離膜及負極片依序堆疊而成，藉以在卷芯7之頂端形成複數個正極極耳71及複數個負極極耳72。當複數個正極極耳71分別夾置於第一、第三正極結合部(51、53)之間及第二、第四正極結合部(52、54)之間，複數個負極極耳72分別夾置於第一、第三負極結合部(61、 63)之間及第二、第四負極結合部(62、64)之間時，分別以超音波進行焊接，即可讓正極連接片5與複數個正極極耳71穩固連結，讓負極連接片6與複數個負極極耳72穩固連結。The core 7 is a positive electrode sheet, a separator film, and a negative electrode sheet. The winding core 7 can also be formed by sequentially stacking the positive electrode sheet, the separator film and the negative electrode sheet, thereby forming a plurality of positive electrode tabs 71 and a plurality of negative electrode tabs at the top end of the winding core 7. 72. When a plurality of positive electrode tabs 71 are respectively sandwiched between the first and third positive electrode bonding portions (51, 53) and between the second and fourth positive electrode bonding portions (52, 54), the plurality of negative electrode tabs 72 are respectively Sandwiched between the first and third negative junctions (61, 63) between the second and fourth negative electrode bonding portions (62, 64), respectively, ultrasonic welding, the positive electrode connecting piece 5 and a plurality of positive electrode tabs 71 can be firmly connected, and the negative electrode connecting piece 6 is firmly connected to a plurality of negative electrode tabs 72.
實施時，上述正極連接片5及負極連接片6之結構 係適用於卷芯7設有多組正極極耳71及多組負極極耳72之使用狀態，而當卷芯7僅設有一組正極極耳71及一組負極極耳72時，該正極連接片5亦可僅設有第一、第二正極結合部(51、52)，該負極連接片6僅設有第一、第二負極結合部(61、62)，同樣可以讓正極連接片5與複數個正極極耳71穩固連結，讓負極連接片6與複數個負極極耳72穩固連結。In the implementation, the structure of the positive electrode connecting piece 5 and the negative electrode connecting piece 6 described above The utility model is suitable for the use state in which the core 7 is provided with a plurality of sets of positive poles 71 and a plurality of sets of negative poles 72, and when the core 7 is provided with only one set of positive poles 71 and a set of negative poles 72, the positive connection The sheet 5 may also be provided with only the first and second positive electrode joints (51, 52). The negative electrode tab 6 is provided only with the first and second negative electrode joints (61, 62), and the positive electrode tab 5 may also be provided. The plurality of positive electrode tabs 71 are firmly connected to the negative electrode tabs 6 and the plurality of negative electrode tabs 72 are firmly connected.
而如第1、4圖所示，該定位件8係位於絕緣片25 與卷芯7之間，定位件8概略呈U形，包括一底板81及由底板81兩側分別向上延伸之支腳82，其中，底板81向下抵壓於卷芯7之頂端，各支腳82向上抵壓於蓋板23之底端。藉此，當正極連接片5、負極連接片6、卷芯7以及定位件8封裝於殼體2內部，且殼體2倒置或傾斜放置時，經由定位件8之支撐，即可防止卷芯7之正極片或負極片移動，並防止正極連接片5、正極極耳71、負極連接片6及負極極耳72變形，從而避免造成短路之危險。As shown in FIGS. 1 and 4, the positioning member 8 is located on the insulating sheet 25. Between the core 7 and the core 7, the positioning member 8 is substantially U-shaped, and includes a bottom plate 81 and legs 82 extending upward from opposite sides of the bottom plate 81, wherein the bottom plate 81 is pressed downward against the top end of the core 7, respectively. The foot 82 is pressed upward against the bottom end of the cover plate 23. Thereby, when the positive electrode connecting piece 5, the negative electrode connecting piece 6, the winding core 7, and the positioning member 8 are packaged inside the casing 2, and the casing 2 is placed upside down or tilted, the core can be prevented by the support of the positioning member 8. The positive electrode or the negative electrode of 7 is moved, and the positive electrode tab 5, the positive electrode tab 71, the negative electrode tab 6 and the negative electrode tab 72 are prevented from being deformed, thereby avoiding the risk of short circuit.
因此，本創作具有以下之優點：Therefore, this creation has the following advantages:
1、本創作係將複數個正極極耳及複數個負極極耳分別夾置於ㄇ形之正極、負極連接片之中，因此，可分別穩固連結複數個正極 極耳及複數個負極極耳，以使導電佳、散熱快、內阻小，並可方便組裝。1. In this creation department, a plurality of positive poles and a plurality of negative poles are respectively placed in the positive and negative connecting pieces of the ㄇ shape, so that a plurality of positive electrodes can be stably connected respectively. The ear and the plurality of negative poles are used for good electrical conductivity, fast heat dissipation, small internal resistance, and convenient assembly.
2、本創作能在殼體直立、倒置或傾斜放置時，以定位件定位卷芯，因此，能有效避免造成短路，以確保使用安全。2. This creation can position the core with the positioning member when the housing is upright, inverted or tilted. Therefore, it can effectively avoid short circuit to ensure safe use.
綜上所述，依上文所揭示之內容，本創作確可達到預期之目的，提供一種不僅能讓結構穩定、防止短路以確保使用安全，且可有效提升導電及散熱效果之鋰電池結構，極具產業上利用之價值，爰依法提出新型專利申請。In summary, according to the content disclosed above, the present invention can achieve the intended purpose, and provides a lithium battery structure that not only stabilizes the structure, prevents short circuit to ensure safe use, but also effectively improves the conduction and heat dissipation effects. The value of industrial use is very high, and new patent applications are filed according to law.
1‧‧‧鋰電池結構1‧‧‧Lithium battery structure
2‧‧‧殼體2‧‧‧Shell
21‧‧‧開口21‧‧‧ openings
22‧‧‧下殼體22‧‧‧ Lower case
23‧‧‧蓋板23‧‧‧ Cover
24‧‧‧頂板24‧‧‧ top board
25‧‧‧絕緣片25‧‧‧Insulation sheet
26‧‧‧防爆孔26‧‧‧Explosion-proof holes
27‧‧‧膠套27‧‧‧ rubber sleeve
3‧‧‧正極接線組件3‧‧‧ positive terminal assembly
4‧‧‧負極接線組件4‧‧‧Negative wiring assembly
5‧‧‧正極連接片5‧‧‧ positive connection piece
51‧‧‧第一正極結合部51‧‧‧First positive junction
52‧‧‧第二正極結合部52‧‧‧Second positive junction
53‧‧‧第三正極結合部53‧‧‧ Third positive junction
54‧‧‧第四正極結合部54‧‧‧fourth positive junction
6‧‧‧負極連接片6‧‧‧Negative connection piece
61‧‧‧第一負極結合部61‧‧‧First negative junction
62‧‧‧第二負極結合部62‧‧‧Second negative junction
63‧‧‧第三負極結合部63‧‧‧ Third negative junction
64‧‧‧第四負極結合部64‧‧‧fourth negative junction
7‧‧‧卷芯7‧‧‧Volume core
71‧‧‧正極極耳71‧‧‧ positive pole
72‧‧‧負極極耳72‧‧‧Negative pole
8‧‧‧定位件8‧‧‧ Positioning parts
81‧‧‧底板81‧‧‧floor
82‧‧‧支腳82‧‧‧ feet
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102208539U TWM464830U (en) | 2013-05-08 | 2013-05-08 | Li battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102208539U TWM464830U (en) | 2013-05-08 | 2013-05-08 | Li battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM464830U true TWM464830U (en) | 2013-11-01 |
Family
ID=49991722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102208539U TWM464830U (en) | 2013-05-08 | 2013-05-08 | Li battery structure |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM464830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI502785B (en) * | 2014-10-03 | 2015-10-01 |
-
2013
- 2013-05-08 TW TW102208539U patent/TWM464830U/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI502785B (en) * | 2014-10-03 | 2015-10-01 |
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