CN103955306A - Three-dimension curve surface touch control panel - Google Patents
Three-dimension curve surface touch control panel Download PDFInfo
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Abstract
本发明公开了一种三维曲面触控面板，其保护面板表面具有三维曲面，并与光学膜相贴合，而光学膜接触于保护面板的三维曲面所形成的弯折处，光学膜对应三维曲面的弯折处设有至少一孔洞，使其成为应力释放的区域，因此，可以改善曲面贴合时因为应力作用而造成的气泡问题以及剥离现象。其中，光学膜弯折处的孔洞可设计为贯穿或未贯穿光学膜，且光学膜为一层或多层的薄膜结构，可包含触控感测薄膜、光学胶或防爆膜，并适用于具有内曲面、外曲面或不规则曲面等三维曲面的保护面板。
The invention discloses a three-dimensional curved surface touch panel. The surface of the protective panel has a three-dimensional curved surface and is attached to an optical film. The optical film is in contact with the bend formed by the three-dimensional curved surface of the protective panel. The optical film corresponds to the three-dimensional curved surface. At least one hole is provided at the bending part, making it a region for stress release, so that the problem of air bubbles and peeling caused by stress during bonding of curved surfaces can be improved. Among them, the hole at the bend of the optical film can be designed to penetrate or not penetrate the optical film, and the optical film is a thin film structure of one or more layers, which can include touch sensing film, optical glue or explosion-proof film, and is suitable for Protective panels for three-dimensional curved surfaces such as inner, outer or irregular surfaces.
Description
技术领域technical field
本发明涉及一种触控面板，特别是指一种三维曲面触控面板。The invention relates to a touch panel, in particular to a three-dimensional curved touch panel.
背景技术Background technique
触控面板的组成一般为保护玻璃（Cover lens）与触控感测薄膜（Sensor film），在安全性的考虑上，则会在保护玻璃与触控感测薄膜之间再贴附防爆膜（ASF）防止玻璃飞溅。当触控面板的保护玻璃选用三维（3D）曲面玻璃时，其相较于平面保护玻璃，三维曲面玻璃的外观设计具有流线型与立体质感，在触控面板上的立体触感极佳，且三维曲面玻璃能呈现放大效果，并包含无边框外壳设计等优点。The composition of the touch panel is generally a protective glass (Cover lens) and a touch sensing film (Sensor film). In terms of safety, an explosion-proof film ( ASF) to prevent glass splash. When three-dimensional (3D) curved glass is used for the cover glass of the touch panel, compared with the flat cover glass, the appearance design of the three-dimensional curved glass has a streamlined and three-dimensional texture, and the three-dimensional touch on the touch panel is excellent, and the three-dimensional curved surface Glass allows for magnification and includes benefits such as a bezel-less housing design.
然而，若保护玻璃具有三维曲面，则光学胶（如OCA或OCR）与光学膜（如触控感测薄膜、防爆膜）材料贴附的位置也必须到达曲面，考虑制程上容易贴附及材料轻薄性，必须使用软性材料，如G/F/F（玻璃/薄膜/薄膜）或G/F（玻璃/薄膜）的形态，图1为G/F/F堆栈结构的三维曲面触控面板的立体图，其包含以双面背胶50（图1中省略未示，请见图2或图3A、3B）黏着固定的双层触控感测薄膜20和30，并用光学胶40贴合在三维曲面的保护面板10上，而这种堆叠结构存在以下缺点：However, if the cover glass has a three-dimensional curved surface, the attachment position of the optical adhesive (such as OCA or OCR) and the optical film (such as touch sensing film, explosion-proof film) must also reach the curved surface. Considering the ease of attachment in the process and the material Light and thin, soft materials must be used, such as G/F/F (glass/film/film) or G/F (glass/film). Figure 1 shows a three-dimensional curved touch panel with a G/F/F stack structure , which includes double-layered touch-sensing films 20 and 30 adhered and fixed with double-sided adhesive 50 (not shown in FIG. 1 , see FIG. 2 or FIG. 3A, 3B ), and bonded on the surface with optical adhesive 40 On the protective panel 10 of the three-dimensional curved surface, and this stacked structure has the following disadvantages:
图1中的触控感测薄膜20、30或防爆膜等光学膜，通过光学胶40与三维曲面的保护面板10贴合固定后，其薄膜材料边缘在曲面贴合处会受到弯折，请参照图2的剖面图及图3A、3B的局部放大剖面图，此时应力将集中在弯折处，长时间静置或者遇到热胀冷缩，会容易造成气泡的问题，或是导致薄膜回弹发生剥离（Peeling）的现象。After the optical film such as the touch sensing film 20, 30 or explosion-proof film in FIG. 1 is bonded and fixed to the protective panel 10 with a three-dimensional curved surface through the optical adhesive 40, the edge of the film material will be bent at the bonding point of the curved surface. Please Referring to the cross-sectional view in Figure 2 and the partial enlarged cross-sectional views in Figures 3A and 3B, the stress will be concentrated at the bend at this time, and standing for a long time or encountering thermal expansion and contraction will easily cause air bubbles or cause thin film Rebound occurs peeling (Peeling) phenomenon.
发明内容Contents of the invention
有鉴于此，本发明针对现有技术存在的缺点，其主要目的是提供一种三维曲面触控面板，能有效改善现有的三维曲面保护面板与光学膜结合后，在曲面贴合处因应力作用所造成的气泡问题及剥离现象。In view of this, the present invention aims at the shortcomings of the prior art, and its main purpose is to provide a three-dimensional curved touch panel, which can effectively improve the stress caused by the combination of the existing three-dimensional curved surface protection panel and the optical film. The bubble problem and peeling phenomenon caused by the action.
为实现上述目的，本发明提供一种三维曲面触控面板，包含有保护面板和光学膜，保护面板表面具有三维曲面，光学膜贴合在保护面板的表面，且光学膜对应三维曲面的弯折处设有至少一孔洞，以达到应力释放。To achieve the above object, the present invention provides a three-dimensional curved touch panel, which includes a protective panel and an optical film, the surface of the protective panel has a three-dimensional curved surface, the optical film is attached to the surface of the protective panel, and the optical film corresponds to the bending of the three-dimensional curved surface There is at least one hole for stress relief.
根据本发明的实施例，该保护面板的材质为强化玻璃或高分子复合材料，而三维曲面可为内曲面、外曲面或不规则曲面。According to an embodiment of the present invention, the protective panel is made of strengthened glass or a polymer composite material, and the three-dimensional curved surface can be an inner curved surface, an outer curved surface or an irregular curved surface.
根据本发明的实施例，该孔洞贯穿或未贯穿该光学膜。According to an embodiment of the invention, the hole penetrates or does not penetrate the optical film.
根据本发明的实施例，该光学膜为一层或多层触控感测薄膜；该光学膜还可包含光学胶，光学胶可为液态光学胶或固态光学胶，并将触控感测薄膜黏着及固定在保护面板上。According to an embodiment of the present invention, the optical film is one or more layers of touch sensing film; the optical film may also include optical glue, which may be liquid optical glue or solid optical glue, and the touch sensing film Adhesive and fixed on the protective panel.
根据本发明的实施例，光学膜还包含防爆膜，并贴附在触控感测薄膜和保护面板之间；该光学膜还可包含光学胶，光学胶为液态光学胶或固态光学胶，并将防爆膜黏着及固定在保护面板上。According to an embodiment of the present invention, the optical film also includes an explosion-proof film, and is attached between the touch sensing film and the protective panel; the optical film can also include optical glue, and the optical glue is liquid optical glue or solid optical glue, and Glue and fix the explosion-proof film on the protective panel.
根据本发明的实施例，该孔洞的数量为复数个，且排成至少一个数组或非连续排列；例如，这些孔洞排成一骑缝线的形式。According to an embodiment of the present invention, the number of the holes is plural, and they are arranged in at least one array or discontinuously arranged; for example, the holes are arranged in a form of a suture.
因此，本发明所提供的三维曲面触控面板，是光学膜接触于保护面板的曲面贴合处设计有孔洞，来作为应力释放的部份，从而可使三维曲面保护面板进行曲面贴合时不会受到应力影响，而导致气泡以及发生剥离等缺陷的产生，从而提升产品良率，也可相对地降低制程成本，提高竞争优势。Therefore, in the three-dimensional curved touch panel provided by the present invention, a hole is designed at the joint where the optical film is in contact with the protective panel, as a part for stress release, so that the three-dimensional curved protective panel can be used for the curved surface lamination. It will be affected by stress, which will lead to the generation of defects such as bubbles and peeling, thereby improving product yield, and can also relatively reduce process costs and improve competitive advantages.
附图说明Description of drawings
图1为先前技术所提供的三维曲面触控面板的立体图。FIG. 1 is a perspective view of a three-dimensional curved touch panel provided by the prior art.
图2为先前技术所提供的三维曲面触控面板的剖面图。FIG. 2 is a cross-sectional view of a three-dimensional curved touch panel provided by the prior art.
图3A、3B分别为先前技术所提供的三维曲面触控面板的左弯折处、右弯折处的局部放大剖面图。3A and 3B are partial enlarged cross-sectional views of the left bend and the right bend of the three-dimensional curved touch panel provided by the prior art, respectively.
图4为本发明所提供的三维曲面触控面板的实施例的剖面图。FIG. 4 is a cross-sectional view of an embodiment of a three-dimensional curved touch panel provided by the present invention.
图5A为本发明所提供的三维曲面触控面板的弯折处的局部放大剖面图，其中保护面板的三维曲面为内曲面。FIG. 5A is a partially enlarged cross-sectional view of the bending part of the three-dimensional curved touch panel provided by the present invention, wherein the three-dimensional curved surface of the protective panel is an inner curved surface.
图5B为本发明所提供的三维曲面触控面板的弯折处的局部放大剖面图，其中保护面板的三维曲面为外曲面。5B is a partially enlarged cross-sectional view of the bending part of the three-dimensional curved touch panel provided by the present invention, wherein the three-dimensional curved surface of the protective panel is an outer curved surface.
图5C为本发明所提供的三维曲面触控面板的弯折处的局部剖面图，其中保护面板的三维曲面为不规则曲面。5C is a partial cross-sectional view of the bending part of the three-dimensional curved touch panel provided by the present invention, wherein the three-dimensional curved surface of the protective panel is an irregular curved surface.
图5D为本发明所提供的三维曲面触控面板的弯折处的局部放大剖面图，其中光学膜的孔洞为贯穿整个光学膜。FIG. 5D is a partially enlarged cross-sectional view of the bending part of the three-dimensional curved touch panel provided by the present invention, wherein the hole in the optical film runs through the entire optical film.
图6A为本发明所提供的三维曲面触控面板的另一实施例的局部放大剖面图。FIG. 6A is a partially enlarged cross-sectional view of another embodiment of the three-dimensional curved touch panel provided by the present invention.
图6B为本发明另一不同实施例所提供的三维曲面触控面板的局部放大剖面图。6B is a partially enlarged cross-sectional view of a three-dimensional curved touch panel provided by another different embodiment of the present invention.
图7为本发明所提供的三维曲面触控面板上包含多个孔洞的光学膜的实施例的示意图，其中多个孔洞排成两个一对多的数组。7 is a schematic diagram of an embodiment of an optical film comprising a plurality of holes on a three-dimensional curved touch panel provided by the present invention, wherein the plurality of holes are arranged in two one-to-many arrays.
图8A为本发明所提供的三维曲面触控面板上包含多个孔洞的光学膜的实施例的示意图，其中多个孔洞在光学膜的每个边缘排成一道骑缝线。8A is a schematic diagram of an embodiment of an optical film comprising a plurality of holes on a three-dimensional curved touch panel provided by the present invention, wherein the plurality of holes are arranged to form a seam line on each edge of the optical film.
图8B～8D为本发明所提供的三维曲面触控面板上包含多个孔洞的光学膜的实施例的局部放大剖面图，且分别呈现孔洞大小一致且排成直线、孔洞大小穿插排列且排成直线、孔洞大小一致且排成状浪状的骑缝线形式。8B to 8D are partial enlarged cross-sectional views of the embodiment of the optical film containing multiple holes on the three-dimensional curved touch panel provided by the present invention, and respectively show that the holes have the same size and are arranged in a straight line, and the holes are interspersed and arranged in a line. Straight lines, holes of the same size and arranged in waves.
图9A～9F为本发明所提供的三维曲面触控面板上光学膜的不同形状的孔洞形态示意图，且分别呈现为方孔、圆孔、矩形孔、三角形、椭圆孔、和梯形孔。9A to 9F are schematic diagrams of different shapes of holes in the optical film on the three-dimensional curved touch panel provided by the present invention, which are respectively square holes, round holes, rectangular holes, triangle holes, elliptical holes, and trapezoidal holes.
附图标记说明：Explanation of reference signs:
10 保护面板10 Protective panels
20、30 触控感测薄膜20, 30 Touch sensing film
40 光学胶40 optical glue
50 双面背胶50 double-sided adhesive
60 光学膜60 optical film
61、62、63、64 孔洞61, 62, 63, 64 holes
70、80 触控感测薄膜70, 80 Touch sensing film
90 防爆膜90 Explosion-proof film
具体实施方式Detailed ways
下面对照附图并结合优选的实施方式对本发明作进一步说明。The present invention will be further described below with reference to the accompanying drawings and in combination with preferred embodiments.
请参照图4，为本发明所提供的三维曲面触控面板的实施例的剖面图。此三维曲面触控面板包含有保护面板10和光学膜60，保护面板表面10具有三维表面，其材质可为强化玻璃或高分子复合材料，光学膜60则贴合在保护面板10的表面，且光学膜60贴合于三维曲面的接触区域会形成弯折处，其弯折处设有孔洞61，使成为内部应力释放的部份，因此，可避免光学膜60与保护面板10的曲面贴合处（即弯折处）受到应力集中的影响，而造成气泡及剥离等缺陷的产生。Please refer to FIG. 4 , which is a cross-sectional view of an embodiment of the three-dimensional curved touch panel provided by the present invention. The three-dimensional curved touch panel includes a protective panel 10 and an optical film 60. The protective panel surface 10 has a three-dimensional surface, and its material can be strengthened glass or polymer composite material. The optical film 60 is attached to the surface of the protective panel 10, and The contact area where the optical film 60 is bonded to the three-dimensional curved surface will form a bend, and a hole 61 is provided at the bend to release the internal stress. Therefore, the bonding of the optical film 60 to the curved surface of the protective panel 10 can be avoided. The part (that is, the bending part) is affected by the stress concentration, resulting in the generation of defects such as air bubbles and peeling.
请参照图5A，为第4图中的三维曲面触控面板的弯折处的局部放大剖面图。本实施例中，光学膜60为一层触控感测薄膜，且用光学胶40将触控感测薄膜黏着及固定在保护面板10上，光学胶40可选用液态光学胶或固态光学胶，并使触控感测薄膜接触于保护面板10三维曲面区域的弯折处设有孔洞61。同时，虽然上述实施例中保护面板10的三维曲面为内曲面，但实务上不限于此。请参照图5B、5C，保护面板10的三维曲面可为外曲面或不规则曲面，且三维曲面的弯曲角度并不受限制，例如，可以是0～180°（内曲面）与0～-180°（外曲面）。另外，虽然上述实施例中光学膜60的孔洞61并未贯穿整个光学膜60，但实务上也不限于此，请参照图5D，光学膜60的孔洞61可设计为贯穿整个光学膜60。Please refer to FIG. 5A , which is a partially enlarged cross-sectional view of the bending part of the three-dimensional curved touch panel in FIG. 4 . In this embodiment, the optical film 60 is a layer of touch sensing film, and the touch sensing film is adhered and fixed on the protective panel 10 with optical glue 40, and the optical glue 40 can be liquid optical glue or solid optical glue. A hole 61 is provided at the bend where the touch sensing film is in contact with the three-dimensional curved area of the protective panel 10 . Meanwhile, although the three-dimensional curved surface of the protective panel 10 in the above embodiment is an inner curved surface, it is not limited to this in practice. Please refer to Fig. 5B, 5C, the three-dimensional curved surface of protective panel 10 can be outer curved surface or irregular curved surface, and the bending angle of three-dimensional curved surface is not limited, for example, can be 0～180 ° (inner curved surface) and 0～-180 ° (outer surface). In addition, although the hole 61 of the optical film 60 does not penetrate the entire optical film 60 in the above embodiment, it is not limited to this in practice. Referring to FIG. 5D , the hole 61 of the optical film 60 can be designed to penetrate the entire optical film 60 .
此外，请参照图6A，为本发明所提供的三维曲面触控面板的另一实施例的局部放大剖面图。本实施例中，光学膜包含以双面背胶50黏着固定的双层触控感测薄膜70、80，并由光学胶40将触控感测薄膜70和80贴合在保护面板10的背面，光学胶40可选用液态光学胶或固态光学胶。In addition, please refer to FIG. 6A , which is a partially enlarged cross-sectional view of another embodiment of the three-dimensional curved touch panel provided by the present invention. In this embodiment, the optical film includes double-layer touch sensing films 70 and 80 adhered and fixed by double-sided back adhesive 50, and the touch sensing films 70 and 80 are attached to the back of the protective panel 10 by optical adhesive 40 , the optical glue 40 may be liquid optical glue or solid optical glue.
然而，光学膜不仅可包括上述触控感测薄膜70、80，也可包括防爆膜（ASF），或是其它贴附在保护面板上具有保护或触控等功能的材料。请参照图6B，为本发明所提供的三维曲面触控面板的另一不同实施例的剖面图。本实施例中，光学膜还包含有防爆膜90，以符合安全的需求，此防爆膜90可黏着固定在触控感测薄膜70上，也可利用光学胶40，例如液态光学胶或固态光学胶，将防爆膜90贴合在保护面板10的背面。However, the optical film may not only include the above-mentioned touch sensing film 70 , 80 , but may also include anti-shock film (ASF), or other materials attached to the protective panel with functions of protection or touch control. Please refer to FIG. 6B , which is a cross-sectional view of another different embodiment of the three-dimensional curved touch panel provided by the present invention. In this embodiment, the optical film also includes an explosion-proof film 90 to meet safety requirements. The explosion-proof film 90 can be adhered and fixed on the touch sensing film 70, or optical glue 40 can be used, such as liquid optical glue or solid optical glue. Glue, and the explosion-proof film 90 is pasted on the back of the protective panel 10.
再者，本发明的光学膜对应于保护面板三维曲面的弯折处，即曲面贴合处，其上所设孔洞的数量可为一个或复数个，而多个孔洞的排列方式可以为规则排列，例如，排成至少一个n*n的数组，n为整数且≥1，当然，这些孔洞也可为非连续排列，呈现不规则的形式。举例来说，如图7所示的实施例中，光学膜60的左、右两侧边缘处各设有两排孔洞61、62，且形成两个一对多的数组孔（分别为1*5和1*6数组），此两排孔洞61、62以平行、但非对齐的方式（交叉设置）排列。又，请参见图8A，为本发明三维曲面触控面板具有骑缝线形式的孔洞的实施例；本实施例中，光学膜60上对应保护面板10三维曲面的曲面贴合处的每个边缘分别穿设有一道排列规律的孔洞63、64，使形成仿如骑缝线（Indent）的形式，如图8B所示，这些孔洞63大小一致、且排成直线。此骑缝线不只可以设计为直线，也可以呈现波浪状线条，如图8D所示；当然，若以其它规则或不规则的排列方式也可。而且，排成此骑缝线的多个孔洞63，其尺寸可为一致，也可为大小尺寸穿插排列，如图8C所示。当然，若以其它尺寸分配方式排列也可。Furthermore, the optical film of the present invention corresponds to the bend of the three-dimensional curved surface of the protective panel, that is, the joint of the curved surface, and the number of holes set on it can be one or multiple, and the arrangement of the holes can be regular arrangement. For example, arrange at least one n*n array, n is an integer and ≥ 1, of course, these holes can also be arranged non-continuously, presenting an irregular form. For example, in the embodiment shown in FIG. 7, two rows of holes 61, 62 are respectively provided at the left and right edges of the optical film 60, and two one-to-many array holes are formed (respectively 1* 5 and 1*6 arrays), the two rows of holes 61, 62 are arranged in a parallel but non-aligned manner (cross arrangement). Also, please refer to FIG. 8A , which is an embodiment of the three-dimensional curved touch panel of the present invention with holes in the form of stitches; A regular arrangement of holes 63 and 64 are respectively pierced to form an indent shape. As shown in FIG. 8B , these holes 63 are of the same size and arranged in a straight line. The stitching line can be designed not only as a straight line, but also as a wavy line, as shown in FIG. 8D ; of course, other regular or irregular arrangements are also possible. Moreover, the multiple holes 63 that line up the suture line can have the same size, or can be arranged interspersed with different sizes, as shown in FIG. 8C . Of course, it is also possible to arrange them in other size distribution ways.
另外，如图9A～9F所示，则为不同形状的孔洞64的形态，其依次为方孔、圆孔、矩形孔、三角孔、椭圆孔和梯形孔。然而，实务上不限于上述所举示例，孔洞64的形状、大小、深度、数量和分布方式都可任意变化，只要能使光学膜（触控感测薄膜、或防爆膜、或其它材料）在曲面贴合处有类似开孔的构造，而达成应力释放的效果即可。In addition, as shown in FIGS. 9A-9F , there are different shapes of holes 64 , which are square holes, round holes, rectangular holes, triangular holes, elliptical holes and trapezoidal holes in sequence. However, in practice, it is not limited to the above-mentioned examples, and the shape, size, depth, quantity and distribution of the holes 64 can be changed arbitrarily, as long as the optical film (touch sensing film, or explosion-proof film, or other materials) can be There is a structure similar to openings at the joint of the curved surfaces, so as to achieve the effect of stress release.
综上所述，根据本发明所提供的三维曲面触控面板，相较于先前技术的改善要点如下：To sum up, compared with the prior art, the improvement points of the three-dimensional curved touch panel provided by the present invention are as follows:
（1）本发明可改善曲面贴合时因为应力作用所产生的各种问题：一般的触控面板，由使用平面保护面板切换至三维曲面保护面板后，当三维曲面保护面板与触控感测薄膜或防爆膜等薄膜材料贴合时，在曲面贴合处的应力作用会使薄膜材料反弹导致剥离，使用本发明可解决这部份的缺陷。(1) The present invention can improve various problems caused by stress during bonding of curved surfaces: after the general touch panel is switched from using a flat protection panel to a three-dimensional curved surface protection panel, when the three-dimensional curved surface protection panel is combined with the touch sensor When film materials such as film or explosion-proof film are bonded together, the stress on the bonded part of the curved surface will cause the film material to bounce back and cause peeling. Using the present invention can solve this part of the defect.
（2）本发明可适用范围广泛：适用任何材质的保护面板，只要具有三维曲面，包括内曲面、外曲面及不规则曲面，保护面板并不限制为强化玻璃或是高分子复合材；适用任何软性材料的光学膜，不限制种类、迭构数量及厚度，只要能与三维曲面保护面板贴附皆可；孔洞不限制数量、形状、大小、深度与排列方式（数组或非连续排列），不管孔洞有无贯穿，只要能使应力释放出来皆可。(2) The present invention can be applied in a wide range: it is suitable for any protective panel made of any material, as long as it has a three-dimensional curved surface, including inner curved surface, outer curved surface and irregular curved surface, the protective panel is not limited to reinforced glass or polymer composite material; it is applicable to any The optical film of soft material is not limited to the type, number of stacks and thickness, as long as it can be attached to the three-dimensional curved surface protection panel; the number, shape, size, depth and arrangement of the holes are not limited (array or non-continuous arrangement), Regardless of whether the hole penetrates or not, as long as the stress can be released.
（3）本发明能够提升制程良率，及降低制程成本：本发明直接从原来的光学膜进行孔洞的制作，其制作方式完全不受限制，并不需增加额外成本，即可达到与平面保护玻璃一样的贴合效果，可减少后续制程所产生的问题。同时，本发明可避免薄膜材料和曲面贴合后受应力作用回弹，而减少贴合制程上所产生的问题，从而提升制程良率，而相对良率提升后产能定能提升，生产成本也会降低许多，并提高产业竞争优势。(3) The present invention can improve the process yield and reduce the process cost: the present invention directly manufactures the hole from the original optical film, and its manufacturing method is not limited at all, and it can achieve the same plane protection without adding additional costs. The glass-like lamination effect can reduce the problems caused by the subsequent process. At the same time, the present invention can avoid springback due to stress after lamination of the film material and the curved surface, thereby reducing problems in the lamination process, thereby improving the yield rate of the process. After the relative yield rate is improved, the production capacity will be improved, and the production cost will also be reduced. Will reduce a lot, and improve the industry's competitive advantage.
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的技术人员来说，在不脱离本发明构思的前提下，还可以做出若干等同替代或明显变型，而且性能或用途相同，都应当视为属于本发明的保护范围。The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art to which the present invention belongs, several equivalent substitutions or obvious modifications can be made without departing from the concept of the present invention, and those with the same performance or use should be deemed to belong to the protection scope of the present invention.
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Application publication date: 20140730 |