TW201541308A - Touch panel - Google Patents

Touch panel Download PDF

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Publication number
TW201541308A
TW201541308A TW103125554A TW103125554A TW201541308A TW 201541308 A TW201541308 A TW 201541308A TW 103125554 A TW103125554 A TW 103125554A TW 103125554 A TW103125554 A TW 103125554A TW 201541308 A TW201541308 A TW 201541308A
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Taiwan
Prior art keywords
ink
substrate
touch panel
photoresist
disposed
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TW103125554A
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Chinese (zh)
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TWI530840B (en
Inventor
Yau-Chen Jiang
Yan-Jun Xie
Bin Lai
Li-Mei Huang
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Tpk Touch Solutions Xiamen Inc
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Publication of TW201541308A publication Critical patent/TW201541308A/en
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Publication of TWI530840B publication Critical patent/TWI530840B/en

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Abstract

A touch panel includes a substrate, at least one ink structure, and a photoresist structure. The substrate has a cover area and a view area adjacent to the cover area. The ink structure is disposed on the cover area of the substrate. The photoresist structure at least covers the top surface of the ink structure. The ink structure and the photoresist structure disposed on the substrate form the cover structure.

Description

觸控面板 Touch panel

本發明係關於一種觸控面板。 The present invention relates to a touch panel.

依目前的觸控技術而言,一般會於觸控面板的感應區周邊配置線路,通過線路將觸控訊號送至後續電路作訊號處理。而為了達到美觀的目的,通常會在觸控面板相對於線路的區域設置油墨來遮蔽線路,其形成有油墨的區域(遮蔽區)俗稱邊框。 According to the current touch technology, a line is generally disposed around the sensing area of the touch panel, and the touch signal is sent to the subsequent circuit for signal processing through the line. In order to achieve the purpose of aesthetics, ink is usually disposed on the area of the touch panel relative to the line to shield the line, and the area (shading area) in which the ink is formed is commonly referred to as a frame.

普遍來說,邊框多以黑色為主,利用黑色油墨的低透光性來遮蔽線路。然而,當邊框使用其他顏色的油墨時,其透光性便會提高,遮光性降低,而無法確實遮蔽線路。 Generally speaking, the border is mostly black, and the low light transmittance of the black ink is used to shield the line. However, when the frame is made of ink of other colors, the light transmittance is improved, the light-shielding property is lowered, and the line cannot be surely shielded.

因此,如何提供一種觸控面板,其遮蔽區可確實遮蔽線路,並且適用於各種顏色,已成為重要課題之一。 Therefore, how to provide a touch panel, the shielding area can surely shield the line, and is suitable for various colors, has become one of the important topics.

有鑑於上述課題,本發明提供一種觸控面板,其遮蔽區可確實遮蔽線路,並且適用於各種顏色。 In view of the above problems, the present invention provides a touch panel in which a shielding area can surely shield a line and is suitable for various colors.

依據本發明的一種觸控面板包含一基板、至少一油墨結構、一光阻結構。基板包含一遮蔽區及一相鄰於遮蔽區的可視區。油墨結構設置於基板的遮蔽區。光阻結構至少覆蓋油墨結構的上表面。油墨結構與光阻結構設置於基板上而形成遮蔽區。 A touch panel according to the present invention comprises a substrate, at least one ink structure, and a photoresist structure. The substrate includes a shielding area and a visible area adjacent to the shielding area. The ink structure is disposed on the shielding area of the substrate. The photoresist structure covers at least the upper surface of the ink structure. The ink structure and the photoresist structure are disposed on the substrate to form a masking region.

在一實施例中,光阻結構可更進一步覆蓋油墨結構鄰近可視區的側面。 In an embodiment, the photoresist structure may further cover the side of the ink structure adjacent to the viewable area.

在一實施例中,觸控面板可更包含一觸控感應結構,其設置於光阻結構上。觸控感應結構可包含一透明電極結構以及多個引線。透明電極結構設置於基板的可視區,且部分延伸至光阻結構上。引線設置於光 阻結構上,且電性連接於透明電極結構。 In an embodiment, the touch panel further includes a touch sensing structure disposed on the photoresist structure. The touch sensing structure can include a transparent electrode structure and a plurality of leads. The transparent electrode structure is disposed on the visible area of the substrate and partially extends to the photoresist structure. Lead wire is set to light The resistive structure is electrically connected to the transparent electrode structure.

在一實施例中,觸控面板可更包含一平坦層,其設置於觸控感應結構與基板之間,且覆蓋基板的可視區並鄰接於油墨結構或光阻結構。 In one embodiment, the touch panel further includes a flat layer disposed between the touch sensing structure and the substrate and covering the visible area of the substrate and adjacent to the ink structure or the photoresist structure.

在一實施例中,油墨結構可包含一第一油墨層,其設置於基板上,且位於光阻結構與基板之間。 In one embodiment, the ink structure can include a first ink layer disposed on the substrate between the photoresist structure and the substrate.

在一實施例中,油墨結構可更包含一第二油墨層,其設置於第一油墨層上,且位於光阻結構與第一油墨層之間。 In an embodiment, the ink structure may further comprise a second ink layer disposed on the first ink layer and between the photoresist structure and the first ink layer.

在一實施例中,第二油墨層的面積可小於第一油墨層,且第二油墨層是遠離可視區而設置於第一油墨層上。 In an embodiment, the area of the second ink layer may be smaller than the first ink layer, and the second ink layer is disposed on the first ink layer away from the visible area.

在一實施例中,第一油墨層的面積可小於第二油墨層,且第二油墨層是沿著第一油墨層鄰近可視區的側面向下延伸至基板。 In an embodiment, the area of the first ink layer may be smaller than the second ink layer, and the second ink layer extends down the side of the first ink layer adjacent to the viewable area to the substrate.

在一實施例中,油墨結構的材料可為有色油墨材料。 In an embodiment, the material of the ink structure can be a colored ink material.

在一實施例中,光阻結構的材料可為深色有機光阻材料。 In an embodiment, the material of the photoresist structure may be a dark organic photoresist material.

綜上所述,本發明的觸控面板藉由光阻結構覆蓋油墨結構來提高觸控面板遮蔽區光密度,使得遮蔽區可確實遮蔽線路,並且適用於各種顏色。 In summary, the touch panel of the present invention covers the ink structure by the photoresist structure to improve the optical density of the shielding area of the touch panel, so that the shielding area can surely shield the line and is suitable for various colors.

1、1a、1b‧‧‧觸控面板 1, 1a, 1b‧‧‧ touch panel

2‧‧‧基板 2‧‧‧Substrate

21‧‧‧遮蔽區 21‧‧‧Mask area

22‧‧‧可視區 22‧‧‧visible area

3‧‧‧油墨結構 3‧‧‧Ink structure

31‧‧‧第一油墨層 31‧‧‧First ink layer

32‧‧‧第二油墨層 32‧‧‧Second ink layer

4‧‧‧光阻結構 4‧‧‧Light-resistance structure

5‧‧‧觸控感應結構 5‧‧‧Touch sensing structure

51‧‧‧透明電極結構 51‧‧‧Transparent electrode structure

52‧‧‧引線 52‧‧‧ lead

6‧‧‧平坦層 6‧‧‧flat layer

AA'、BB'‧‧‧虛線 AA', BB'‧‧‧ dotted line

圖1A為本發明較佳實施例的一種觸控面板的上視圖。 1A is a top view of a touch panel in accordance with a preferred embodiment of the present invention.

圖1B為圖1A沿虛線AA'的剖面圖。 Figure 1B is a cross-sectional view of Figure 1A taken along the line AA'.

圖2A為本發明另一較佳實施例的一種觸控面板的上視圖。 2A is a top view of a touch panel according to another preferred embodiment of the present invention.

圖2B為圖2A沿虛線BB'的剖面圖。 Figure 2B is a cross-sectional view of Figure 2A taken along the dashed line BB'.

圖2C為圖2A沿虛線BB'的另一態樣的剖面圖。 2C is a cross-sectional view of another aspect of FIG. 2A along the broken line BB'.

圖3A及圖3B為本發明另一較佳實施例的一種觸控面板的示意圖。 3A and 3B are schematic views of a touch panel according to another preferred embodiment of the present invention.

圖4A、圖4B及圖4C分別為油墨結構不同態樣的示意圖。 4A, 4B, and 4C are schematic views of different aspects of the ink structure, respectively.

以下將參照相關圖式,說明依本發明較佳實施例的一種觸控面板,其中相同的元件將以相同的參照符號加以說明。 Hereinafter, a touch panel according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein like elements will be described with the same reference numerals.

圖1A為本發明較佳實施例的一種觸控面板1的上視圖,而圖1B為圖1A沿虛線AA'的剖面圖。請同時參照圖1A及圖1B所示,觸控面板1包含一基板2、至少一油墨結構3以及一光阻結構4。基板2包含一遮蔽區21及一相鄰於遮蔽區21的可視區22,油墨結構3設置於遮蔽區21,光阻結構4設置於油墨結構3上,並覆蓋油墨結構3的上表面,油墨結構3的上表面即油墨結構3遠離基板2的表面,值得注意的是,本發明的其他實施例中,光阻結構4亦可覆蓋油墨結構3的其他表面,而並不限於所述上表面。油墨結構3與光阻結構4設置於基板2上而形成遮蔽區21,換言之,遮蔽區21為油墨結構3與光阻結構4設置於基板2上而被定義形成。 1A is a top view of a touch panel 1 according to a preferred embodiment of the present invention, and FIG. 1B is a cross-sectional view taken along line AA' of FIG. 1A. As shown in FIG. 1A and FIG. 1B , the touch panel 1 includes a substrate 2 , at least one ink structure 3 , and a photoresist structure 4 . The substrate 2 includes a shielding area 21 and a visible area 22 adjacent to the shielding area 21. The ink structure 3 is disposed on the shielding area 21, and the photoresist structure 4 is disposed on the ink structure 3 and covers the upper surface of the ink structure 3. The upper surface of the structure 3, that is, the ink structure 3 is away from the surface of the substrate 2, it is noted that in other embodiments of the present invention, the photoresist structure 4 may also cover other surfaces of the ink structure 3, and is not limited to the upper surface. . The ink structure 3 and the photoresist structure 4 are disposed on the substrate 2 to form a masking region 21, in other words, the masking region 21 is defined by the ink structure 3 and the photoresist structure 4 being disposed on the substrate 2.

基板2可作為電子設備的保護蓋板,其面向用戶的表面,即形成有油墨結構3及光阻結構4的另一面,可直接供用戶進行觸控操作,其材質可為強化玻璃、塑膠或其他透光的材質,而本實施例是以強化玻璃為例,但本發明並不限制,且於其他實施例中,基板2供用戶觸控的表面通常塗布各種塗層,例如防指紋、防眩光、防刮傷等提升產品用戶體驗的功能塗層。 The substrate 2 can be used as a protective cover for an electronic device, and the surface facing the user, that is, the other side of the ink structure 3 and the photoresist structure 4, can be directly used for the touch operation of the user, and the material thereof can be tempered glass, plastic or Other light-transmissive materials, but the embodiment is tempered glass, but the invention is not limited, and in other embodiments, the surface of the substrate 2 for the user to touch is usually coated with various coatings, such as anti-fingerprint and anti-fingerprint. A functional coating that enhances the user experience of glare and scratches.

在本實施例中,遮蔽區21環設於可視區22。當然,遮蔽區21可位於可視區22的周圍,即可位於可視區22的至少一側,本發明並不限制。 In the embodiment, the shielding area 21 is disposed in the visible area 22. Of course, the shielding area 21 can be located around the visible area 22, that is, at least on one side of the visible area 22, and the invention is not limited thereto.

油墨結構3可由單層或多層油墨材料堆疊組成,具體結構將會在下文進行詳細結構,在此不再贅述。組成油墨結構3的油墨材料中,包含有色的油墨材料,例如白色、黑色或其他顏色等可使得遮蔽區21能顯示出不同的色彩效果,以滿足實際產品的設計需求,且有色的油墨材料具有一定的遮光性,可用於遮蔽設置於基板2下的電子產品中的不適於被用戶可見的電子結構。 The ink structure 3 may be composed of a single layer or a plurality of layers of ink materials, and the specific structure will be described in detail below, and details are not described herein again. Among the ink materials constituting the ink structure 3, the colored ink material, such as white, black or other colors, can make the masking area 21 exhibit different color effects to meet the design requirements of the actual product, and the colored ink material has A certain light blocking property can be used to shield an electronic structure that is disposed in the electronic product under the substrate 2 and is not suitable for being visible to the user.

光阻結構4由深色有機光阻材料形成,有機光阻材料的分子顆粒細膩,分子間距離小,光緻密性高,深色的有機光阻材料遮光性高,可提升補充油墨結構3的遮光效果,尤其是在油墨結構3的油墨材料為白色或其他非黑色油墨時,油墨結構3的遮光效果不理想,光阻結構4不僅可遮蔽位於基板2下的其他電子結構,還可以使得油墨結構3的色彩效果 更加明顯突出。 The photoresist structure 4 is formed of a dark organic photoresist material, the molecular particles of the organic photoresist material are fine, the distance between molecules is small, the light density is high, and the dark organic photoresist material has high light-shielding property, which can improve the structure of the supplementary ink structure 3 The shading effect, especially when the ink material of the ink structure 3 is white or other non-black ink, the shading effect of the ink structure 3 is not ideal, and the photoresist structure 4 can not only shield other electronic structures located under the substrate 2, but also make the ink Structure 3 color effect More prominent.

本實施例中,油墨結構3設置於基板2的遮蔽區21,而光阻結構4至少覆蓋油墨結構3的上表面,油墨結構3與光阻結構4設置於基板2上而形成遮蔽區。由於光阻結構4的光密度(optical density,OD)較高,也就是較不易透光,因此藉由光阻結構4覆蓋油墨結構3的表面,可提高觸控面板遮蔽區的遮蔽效果。 In this embodiment, the ink structure 3 is disposed on the shielding area 21 of the substrate 2, and the photoresist structure 4 covers at least the upper surface of the ink structure 3. The ink structure 3 and the photoresist structure 4 are disposed on the substrate 2 to form a shielding area. Since the optical density (OD) of the photoresist structure 4 is relatively high, that is, it is relatively difficult to transmit light, the shielding effect of the shielding area of the touch panel can be improved by covering the surface of the ink structure 3 with the photoresist structure 4.

圖2A為本發明另一較佳實施例的一種觸控面板1a的上視圖,而圖2B為圖2A沿虛線BB'的剖面圖。請同時參照圖2A及圖2B所示,本實施例的觸控面板1a與上述實施例大致相同,其差異在於觸控面板1a更包含一觸控感應結構5,其位於光阻結構4上。 2A is a top view of a touch panel 1a according to another preferred embodiment of the present invention, and FIG. 2B is a cross-sectional view of FIG. 2A along a broken line BB'. Referring to FIG. 2A and FIG. 2B , the touch panel 1 a of the present embodiment is substantially the same as the above embodiment, and the difference is that the touch panel 1 a further includes a touch sensing structure 5 , which is located on the photoresist structure 4 .

在本實施例中,觸控感應結構5包含一透明電極結構51以及多個引線52。透明電極結構51設置於基板2的可視區22,且部分延伸至光阻結構4上。引線52設置於光阻結構4上,且電性連接於透明電極結構51。另外,透明電極結構51可不限定為單軸向或雙軸向,亦不限定其材料,而引線52的配置也可依據實際需求做調整,同樣不作限制。由於觸控感應結構5的結構與組成屬本領域所公知,因此不作贅述。 In the embodiment, the touch sensing structure 5 includes a transparent electrode structure 51 and a plurality of leads 52. The transparent electrode structure 51 is disposed on the visible region 22 of the substrate 2 and partially extends onto the photoresist structure 4. The lead wire 52 is disposed on the photoresist structure 4 and electrically connected to the transparent electrode structure 51. In addition, the transparent electrode structure 51 is not limited to a uniaxial or biaxial direction, and the material thereof is not limited, and the configuration of the lead wires 52 can also be adjusted according to actual needs, and is also not limited. Since the structure and composition of the touch sensing structure 5 are well known in the art, no further description is made.

另外,光阻結構4可更進一步覆蓋油墨結構3鄰近可視區22的側面。請參照圖2C所示,其為圖2A沿虛線BB'的另一態樣的剖面圖。在此態樣中,光阻結構4同時覆蓋了油墨結構3的上表面及鄰近可視區22的側面,可進一步提升觸控面板遮蔽區的遮蔽功能。此外,由於光阻結構4的材料分子顆粒小,其設置於油墨結構3的上表面及側面后,可填平因油墨顆粒大而形成的不平整表面,使觸控感應結構5與光阻結構4接觸的表面相對較平整,如此,不僅可減少由於接觸表面不平整而引起的透明導電結構51和/或引線52斷裂問題的發生,還有助於觸控感應結構5附著而不易剝離。 In addition, the photoresist structure 4 can further cover the side of the ink structure 3 adjacent to the visible region 22. Please refer to FIG. 2C, which is a cross-sectional view of another aspect of FIG. 2A along the broken line BB'. In this aspect, the photoresist structure 4 covers both the upper surface of the ink structure 3 and the side adjacent to the visible region 22, which can further enhance the shielding function of the masking region of the touch panel. In addition, since the material of the photoresist structure 4 is small in particle size, it is disposed on the upper surface and the side surface of the ink structure 3, and can fill the uneven surface formed by the large ink particles, so that the touch sensing structure 5 and the photoresist structure are 4 The surface of the contact is relatively flat, so that not only the occurrence of the problem of the breakage of the transparent conductive structure 51 and/or the lead 52 caused by the unevenness of the contact surface but also the adhesion of the touch sensitive structure 5 is facilitated.

值得注意的是,本實施例中,觸控感測結構5直接設置於基板2上,從而形成單片的觸控感測玻璃,利於產品設計的薄型化,於本發明的其他實施例中,觸控感測結構5亦可先形成于另一基板上,再與基板2進行貼合,所述的另基板可以是玻璃基板、塑膠基板或薄膜材料,本發明 並不限制。 It should be noted that, in this embodiment, the touch sensing structure 5 is directly disposed on the substrate 2 to form a single piece of touch sensing glass, which is advantageous for thinning the product design. In other embodiments of the present invention, The touch sensing structure 5 can also be formed on another substrate and then bonded to the substrate 2, and the other substrate can be a glass substrate, a plastic substrate or a film material, and the invention Not limited.

圖3A及圖3B為本發明另一較佳實施例的一種觸控面板1b的示意圖。請參照圖3A及圖3B,本實施例的觸控面板1b與上述實施例中的觸控面板1a大致相同,其差異在於觸控面板1b更包含一平坦層6,其設置於觸控感應結構5與基板2之間。平坦層6覆蓋基板2的可視區22並鄰接於油墨結構3或光阻結構4。 3A and 3B are schematic views of a touch panel 1b according to another preferred embodiment of the present invention. Referring to FIG. 3A and FIG. 3B , the touch panel 1 b of the present embodiment is substantially the same as the touch panel 1 a of the above embodiment, and the difference is that the touch panel 1 b further includes a flat layer 6 disposed on the touch sensing structure. 5 is between the substrate 2. The flat layer 6 covers the visible region 22 of the substrate 2 and is adjacent to the ink structure 3 or the photoresist structure 4.

於圖3A的實施態樣中,光阻結構4覆蓋油墨結構3的上表面及鄰近可視區22的側面,並與基板2相接觸,因此平坦層6是鄰接於光阻結構4。 In the embodiment of FIG. 3A, the photoresist structure 4 covers the upper surface of the ink structure 3 and the side adjacent to the visible region 22, and is in contact with the substrate 2, so that the planar layer 6 is adjacent to the photoresist structure 4.

而在圖3B的實施態樣中,平坦層6鄰接於油墨結構3,光阻結構4同時覆蓋油墨結構3及部分的平坦層6。值得一提的是,光阻結構4設置於平坦層6上的附著力較設置於基板2更為佳,因此可提高其結構強度。 In the embodiment of FIG. 3B, the planar layer 6 is adjacent to the ink structure 3, and the photoresist structure 4 covers both the ink structure 3 and a portion of the planar layer 6. It is worth mentioning that the adhesion of the photoresist structure 4 on the flat layer 6 is better than that provided on the substrate 2, so that the structural strength can be improved.

於此,平坦層6的設置可減少透明電極結構51自基板2延伸設置於光阻結構4時的段差,以進一步防止透明電極結構51因段差過大而斷裂,此外,透明電極結構51於平坦層6上的附著力較設置於基板2上更為佳,可減少因附著力不佳而引起的脫落、剝離等問題的發生,可提高產品結構強度。 Herein, the arrangement of the flat layer 6 can reduce the step difference when the transparent electrode structure 51 extends from the substrate 2 to the photoresist structure 4 to further prevent the transparent electrode structure 51 from being broken due to excessive step difference, and further, the transparent electrode structure 51 is on the flat layer. The adhesion on the substrate 6 is better than that on the substrate 2, and the occurrence of problems such as peeling and peeling due to poor adhesion can be reduced, and the structural strength of the product can be improved.

上述實施例中,主要是針對觸控面板的整體結構進行說明,於本發明的實施例中,針對油墨結構3亦有不同的設計,以下將進行具體說明。 In the above embodiments, the overall structure of the touch panel is mainly described. In the embodiment of the present invention, the ink structure 3 has different designs, which will be specifically described below.

圖4A、圖4B及圖4C分別為油墨結構不同態樣的示意圖。 4A, 4B, and 4C are schematic views of different aspects of the ink structure, respectively.

請參照圖4A,油墨結構3包含一第一油墨層31,第一油墨層31設置於基板2上,位於光阻結構4與基板2之間。換句話說,此態樣的油墨結構3為單層的油墨,於實施上可適用於深色油墨,例如是黑色油墨。 Referring to FIG. 4A, the ink structure 3 includes a first ink layer 31 disposed on the substrate 2 between the photoresist structure 4 and the substrate 2. In other words, the ink structure 3 of this aspect is a single layer of ink, which is practically applicable to dark inks such as black inks.

請參照圖4B,本實施例與圖4A所示實施例的差異在於,油墨結構3可更包含一第二油墨層32,亦即雙層的油墨。第二油墨層32設置於第一油墨層31上,且位於光阻結構4與第一油墨層31之間。於此, 透過雙層油墨的設置,可提高遮蔽結構的光密度,如此一來,此態樣的油墨結構3可適用於淺色油墨,例如是白色油墨。 Referring to FIG. 4B, the difference between the embodiment and the embodiment shown in FIG. 4A is that the ink structure 3 can further comprise a second ink layer 32, that is, a double-layer ink. The second ink layer 32 is disposed on the first ink layer 31 and between the photoresist structure 4 and the first ink layer 31. herein, By setting the two-layer ink, the optical density of the shielding structure can be increased, and thus, the ink structure 3 of this aspect can be applied to a light-colored ink such as a white ink.

值得一提的是,第二油墨層32與第一油墨層31的面積可為相同或不相同。如圖4B所示,第二油墨層32的面積小於第一油墨層31,且第二油墨層32是遠離可視區22而設置於第一油墨層31上。藉由「階梯狀」油墨結構3的設計,平緩了油墨結構3與基板2之間的段差,可更利於上述透明電極結構51的設置。 It is worth mentioning that the area of the second ink layer 32 and the first ink layer 31 may be the same or different. As shown in FIG. 4B, the second ink layer 32 has a smaller area than the first ink layer 31, and the second ink layer 32 is disposed on the first ink layer 31 away from the visible region 22. By the design of the "stepped" ink structure 3, the step difference between the ink structure 3 and the substrate 2 is smoothed, which is advantageous for the arrangement of the transparent electrode structure 51 described above.

當然,第二油墨層32的面積也可大於第一油墨層31。如圖4C所示,第一油墨層31的面積小於第二油墨層32,且第二油墨層32是沿著第一油墨層31鄰近可視區22的側面向下延伸至基板2。實施上,由於第二油墨層32比第一油墨層31寬,色彩顯示可更明顯、均勻。 Of course, the area of the second ink layer 32 may also be larger than the first ink layer 31. As shown in FIG. 4C, the area of the first ink layer 31 is smaller than the second ink layer 32, and the second ink layer 32 extends down the side of the first ink layer 31 adjacent to the visible region 22 to the substrate 2. In practice, since the second ink layer 32 is wider than the first ink layer 31, the color display can be more distinct and uniform.

值得注意的是,本發明的實施例中,油墨結構3可為單層或雙層結構,亦可為更多層的結構設計,以滿足產品的不同實際需求,同樣的,光阻結構4於本實施例中為單層結構,但於其他實施例中,亦可為雙層或多層結構,以按照產品對遮蔽區遮光度的需求進行設計。 It should be noted that, in the embodiment of the present invention, the ink structure 3 may be a single layer or a double layer structure, or may be designed with more layers to meet different practical needs of the product. Similarly, the photoresist structure 4 is In this embodiment, the structure is a single layer structure, but in other embodiments, it may be a double layer or a multi-layer structure to design according to the requirements of the product for the shading degree of the shielding area.

綜上所述,本發明的觸控面板藉由光阻結構覆蓋油墨結構來提高光密度,使得遮蔽區可確實遮蔽線路,並且適用於各種顏色。 In summary, the touch panel of the present invention covers the ink structure by the photoresist structure to increase the optical density, so that the shielding area can surely shield the line and is suitable for various colors.

以上所述僅為舉例性,而非為限制性者。任何未脫離本發明之精神與範疇,而對其進行之等效修改或變更,均應包含於後附之申請專利範圍中。 The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1‧‧‧觸控面板 1‧‧‧ touch panel

2‧‧‧基板 2‧‧‧Substrate

21‧‧‧遮蔽區 21‧‧‧Mask area

22‧‧‧可視區 22‧‧‧visible area

3‧‧‧油墨結構 3‧‧‧Ink structure

4‧‧‧光阻結構 4‧‧‧Light-resistance structure

Claims (10)

一種觸控面板,包含:一基板,包含一遮蔽區及一相鄰於該遮蔽區的可視區;至少一油墨結構,設置於該基板表面,並位於該遮蔽區;以及一光阻結構,至少覆蓋該油墨結構的上表面,其中該油墨結構與該光阻結構設置於該基板上而形成該遮蔽區。 A touch panel comprising: a substrate comprising a shielding area and a visible area adjacent to the shielding area; at least one ink structure disposed on the surface of the substrate and located in the shielding area; and a photoresist structure, at least Covering the upper surface of the ink structure, wherein the ink structure and the photoresist structure are disposed on the substrate to form the shielding region. 如申請專利範圍第1項所述的觸控面板,其中該光阻結構更進一步覆蓋該油墨結構鄰近該可視區的側面。 The touch panel of claim 1, wherein the photoresist structure further covers a side of the ink structure adjacent to the visible area. 如申請專利範圍第1或2項所述的觸控面板,更包含一觸控感應結構,位於該光阻結構上,該觸控感應結構包含:一透明電極結構,設置於該基板的該可視區,且部分延伸至該光阻結構上;以及多個引線,設置於該光阻結構上,且電性連接於該透明電極結構。 The touch panel of claim 1 or 2, further comprising a touch sensing structure, located on the photoresist structure, the touch sensing structure comprising: a transparent electrode structure, the visible view disposed on the substrate a portion extending partially to the photoresist structure; and a plurality of leads disposed on the photoresist structure and electrically connected to the transparent electrode structure. 如申請專利範圍第3項所述的觸控面板,更包含一平坦層,設置於該觸控感應結構與該基板之間,且覆蓋該基板的該可視區並鄰接於該油墨結構或該光阻結構。 The touch panel of claim 3, further comprising a flat layer disposed between the touch sensing structure and the substrate, covering the visible area of the substrate and adjacent to the ink structure or the light Resistance structure. 如申請專利範圍第1項所述的觸控面板,其中該油墨結構包含一第一油墨層,設置於該基板上,且位於該光阻結構與該基板之間。 The touch panel of claim 1, wherein the ink structure comprises a first ink layer disposed on the substrate and located between the photoresist structure and the substrate. 如申請專利範圍第5項所述的觸控面板,其中該油墨結構更包含一第二油墨層,設置於該第一油墨層上,且位於該光阻結構與該第一油墨層之間。 The touch panel of claim 5, wherein the ink structure further comprises a second ink layer disposed on the first ink layer and located between the photoresist structure and the first ink layer. 如申請專利範圍第6項所述的觸控面板,其中該第二油墨層的面積小於該第一油墨層,且該第二油墨層是遠離該可視區而設置於該第一油墨層上。 The touch panel of claim 6, wherein the second ink layer has an area smaller than the first ink layer, and the second ink layer is disposed on the first ink layer away from the visible region. 如申請專利範圍第6項所述的觸控面板,其中該第一油墨層的面積小於該第二油墨層,且該第二油墨層是沿著該第一油墨層鄰近該可視區的側面向下延伸至該基板。 The touch panel of claim 6, wherein the first ink layer has an area smaller than the second ink layer, and the second ink layer is along a side of the first ink layer adjacent to the visible area. Down to the substrate. 如申請專利範圍第1項所述的觸控面板,其中該油墨結構的材料為有色油墨材料。 The touch panel of claim 1, wherein the material of the ink structure is a colored ink material. 如申請專利範圍第1項所述的觸控面板,其中該光阻結構的材料為深色有機光阻材料。 The touch panel of claim 1, wherein the material of the photoresist structure is a dark organic photoresist material.
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