TWM462406U - Touch panel and cover substrate structure thereof - Google Patents
Touch panel and cover substrate structure thereof Download PDFInfo
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- TWM462406U TWM462406U TW102206360U TW102206360U TWM462406U TW M462406 U TWM462406 U TW M462406U TW 102206360 U TW102206360 U TW 102206360U TW 102206360 U TW102206360 U TW 102206360U TW M462406 U TWM462406 U TW M462406U
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Abstract
Description
本創作係有關一種觸控領域，特別係有關一種觸控面板及其蓋板結構。The present invention relates to a touch field, and in particular relates to a touch panel and a cover structure thereof.
觸控面板的功能在於使用者能夠透過手指或觸控筆執行輸入的功能而完成資料傳輸。一般而言，觸控面板可依據感測方法而分為電阻式、電容式、音波式、及光學式等觸控面板。The function of the touch panel is that the user can perform data transmission by performing a function of input through a finger or a stylus. In general, the touch panel can be divided into a resistive, capacitive, acoustic, and optical touch panel according to the sensing method.
一般來說，觸控面板包括一蓋板，蓋板通常會設有一遮蔽層，該遮蔽層用來遮蔽對應設置的線路等元件。通常遮蔽層是使用黑色或白色物質來設計，因此使用者看到的觸控面板會有一黑色或白色邊框。Generally, the touch panel includes a cover plate, and the cover plate is usually provided with a shielding layer for shielding components such as corresponding lines. Usually the masking layer is designed with black or white materials, so the touch panel that the user sees will have a black or white border.
在觸控面板的製程中，有些步驟可能需要在高溫環境下進行，然而目前所使用的傳統遮蔽層材料多為耐熱性不佳的光阻材料或油墨；再者，光阻材料或油墨對於玻璃基板的附著度亦不甚理想。整體而言，將會影響觸控面板的生產良率。In the process of the touch panel, some steps may need to be performed in a high temperature environment, but the conventional masking layer materials used at present are mostly heat-resistant photoresist materials or inks; further, photoresist materials or inks for glass. The adhesion of the substrate is also less than ideal. Overall, it will affect the production yield of the touch panel.
本創作採用金屬或金屬氧化物來設計作為觸控面板結構中的遮蔽層，以提高遮蔽層的耐熱性並且提昇遮蔽層對於基板的附著性，有效地提升觸控面板的生產良率。The present invention uses metal or metal oxide as the shielding layer in the touch panel structure to improve the heat resistance of the shielding layer and improve the adhesion of the shielding layer to the substrate, thereby effectively improving the production yield of the touch panel.
根據上述之目的，本創作提供一種用於觸控面板的蓋板結構，包括：一保護基板；及一遮蔽層，形成於保護基板之表面的至少一區域，並且遮蔽層的形成區域定義出觸控面板的一非可視區，其中遮蔽層係選自由金屬及該金屬之氧化物所組成之群組。According to the above object, the present invention provides a cover structure for a touch panel, comprising: a protective substrate; and a shielding layer formed on at least one surface of the surface of the protective substrate, and the formation region of the shielding layer defines touch A non-visible area of the control panel, wherein the shielding layer is selected from the group consisting of a metal and an oxide of the metal.
根據上述之目的，本創作亦提供一種觸控面板，定義有一可視區與一非可視區，該觸控面板包括：一蓋板結構；一觸控感應層；及一絕緣層。蓋板結構包括：一保護基板；及一遮蔽層，形成於保護基板之表面的至少一區域，並且遮蔽層的形成區域定義出觸控面板的該非可視區，其中遮蔽層係選自由金屬及該金屬之氧化物所組成之群組。絕緣層在非可視區中是設置於遮蔽層與觸控感應層之間，在可視區中至少是包覆遮蔽層的側壁。According to the above, the present invention also provides a touch panel defining a viewable area and a non-visible area. The touch panel includes: a cover structure; a touch sensing layer; and an insulating layer. The cover structure includes: a protective substrate; and a shielding layer formed on at least one surface of the surface of the protective substrate, and the forming region of the shielding layer defines the non-visible area of the touch panel, wherein the shielding layer is selected from the group consisting of metal and A group of metal oxides. The insulating layer is disposed between the shielding layer and the touch sensing layer in the non-visible area, and at least the sidewall of the shielding layer is covered in the visible area.
根據上述之目的，本創作另提供一種觸控面板，包括：一蓋板結構；及一觸控感測器。蓋板結構包括：一保護基板；及一遮蔽層，形成於保護基板之表面的至少一區域，並且遮蔽層的形成區域定義出觸控面板的一非可視區。觸控感測器係透過一黏著層來與蓋板結構貼合。According to the above, the present invention further provides a touch panel comprising: a cover structure; and a touch sensor. The cover structure includes: a protective substrate; and a shielding layer formed on at least one surface of the surface of the protective substrate, and the formed region of the shielding layer defines a non-visible area of the touch panel. The touch sensor is attached to the cover structure through an adhesive layer.
為讓本創作之上述和其他目的、特徵、和優點能更明顯易懂，下文特舉出較佳實施例，並配合所附圖式，作詳細說明如下：The above and other objects, features, and advantages of the present invention will become more apparent and understood.
A、B‧‧‧區域A, B‧‧‧ area
10‧‧‧保護基板10‧‧‧Protective substrate
10a‧‧‧表面10a‧‧‧ surface
10b‧‧‧表面10b‧‧‧ surface
20、20a、20b、20c‧‧‧遮蔽層20, 20a, 20b, 20c‧‧ ‧ shadowing layer
20’、20a’、20b’‧‧‧開口圖案20’, 20a’, 20b’‧‧‧ opening patterns
30‧‧‧絕緣層30‧‧‧Insulation
35‧‧‧蓋板結構35‧‧‧ cover structure
40‧‧‧觸控感應層40‧‧‧Touch sensing layer
50‧‧‧線路層50‧‧‧Line layer
70‧‧‧油墨層70‧‧‧Ink layer
80‧‧‧黏著層80‧‧‧Adhesive layer
97‧‧‧非可視區97‧‧‧Invisible area
99‧‧‧可視區99‧‧‧visible area
120‧‧‧承載基板120‧‧‧bearing substrate
100、200、300、400‧‧‧觸控面板100, 200, 300, 400‧‧‧ touch panels
110‧‧‧光學透明膠110‧‧‧Optical transparent adhesive
125‧‧‧觸控感測器125‧‧‧ touch sensor
202‧‧‧側壁202‧‧‧ side wall
1000‧‧‧顯示面板1000‧‧‧ display panel
第1A-1B圖係繪示出根據本創作不同實施例之觸控面板的 剖面示意圖。1A-1B is a diagram showing a touch panel according to different embodiments of the present creation Schematic diagram of the section.
第2A-2B圖係繪示出根據本創作不同實施例之觸控面板的剖面示意圖，其中觸控面板包括具有開口圖案的遮蔽層。2A-2B is a cross-sectional view of a touch panel according to various embodiments of the present invention, wherein the touch panel includes a shielding layer having an opening pattern.
第2C圖係繪示出第2A圖中區域A的放大示意圖。Fig. 2C is an enlarged schematic view showing a region A in Fig. 2A.
第2D圖係繪示出第2B圖中區域B的放大示意圖。Fig. 2D is an enlarged schematic view showing a region B in Fig. 2B.
第3A-3B圖係繪示出根據本創作不同實施例之觸控面板的剖面示意圖，其中觸控面板包括油墨層及具有開口圖案的遮蔽層。3A-3B are schematic cross-sectional views of a touch panel according to various embodiments of the present invention, wherein the touch panel includes an ink layer and a shielding layer having an opening pattern.
第3C圖係繪出根據本創作又另一實施例之觸控面板的剖面示意圖，其中觸控面板包括具有承載基板、觸控感應層及線路層的觸控感測器。FIG. 3C is a cross-sectional view of a touch panel according to another embodiment of the present invention, wherein the touch panel includes a touch sensor having a carrier substrate, a touch sensing layer, and a circuit layer.
第4圖係繪示出根據本創作一實施例之觸控顯示器的剖面示意圖。4 is a cross-sectional view showing a touch display according to an embodiment of the present invention.
以下將詳細說明本創作實施例之製作與使用方式。然應注意的是，本創作提供許多可供應用的創作概念，其可以多種特定型式實施。文中所舉例討論之特定實施例僅為製造與使用本創作之特定方式，非用以限制本創作之範圍。此外，在不同實施例中可能使用重複的標號或標示。這些重複僅為了簡單清楚地敘述本創作，不代表所討論之不同實施例及/或結構之間具有任何關連性。再者，當述及一第一材料層位於一第二材料層上方或之上時，包括第一材料層與第二材料層直接接觸或間隔有一或更多其他材料層之情形。此外，所稱的方位“上”及“下”，僅是用來表示相對的位置關係。在圖式 中，實施例之形狀或是厚度可擴大，以簡化或是方便標示。再者，圖中未繪示或描述之元件，為所屬技術領域中具有通常知識者所知的形式。The manner in which the present creative embodiment is made and used will be described in detail below. It should be noted, however, that this creation provides a number of creative concepts that can be applied, which can be implemented in a variety of specific styles. The specific embodiments discussed herein are merely illustrative of specific ways of making and using the present invention and are not intended to limit the scope of the present invention. Moreover, repeated numbers or labels may be used in different embodiments. These repetitions are merely for the purpose of simplicity and clarity of the present invention and are not intended to be any limitation of the various embodiments and/or structures discussed. Furthermore, when a first material layer is referred to above or above a second material layer, the first material layer and the second material layer are in direct contact with or spaced apart from one or more other material layers. In addition, the so-called orientations "upper" and "lower" are used merely to indicate relative positional relationships. In the schema The shape or thickness of the embodiment can be expanded to simplify or facilitate the marking. Furthermore, elements not shown or described in the figures are in the form known to those of ordinary skill in the art.
第1A-1B圖係繪示出根據本創作不同實施例之觸控面板的剖面示意圖。在本實施例中，觸控面板100區分為兩個區域，分別為一非可視區97及一可視區99。其中，就觸控面板100的結構而言，非可視區97與可視區99是不重疊的相對設置，通常非可視區97可如本實施例所示的是圍設於可視區99，但實際並不以此為限，在其他實施例中，非可視區97更可是設置於可視區99的至少一側邊。此外，本實施例之觸控面板100包括一蓋板結構35、一絕緣層30及一觸控感應層40。1A-1B are cross-sectional views showing a touch panel according to various embodiments of the present creation. In this embodiment, the touch panel 100 is divided into two areas, which are a non-visible area 97 and a visible area 99. In terms of the structure of the touch panel 100, the non-visible area 97 and the visible area 99 are oppositely arranged. Generally, the non-visible area 97 can be enclosed in the visible area 99 as shown in this embodiment, but actually It is not limited thereto. In other embodiments, the non-visible area 97 may be disposed on at least one side of the visible area 99. In addition, the touch panel 100 of the present embodiment includes a cover structure 35 , an insulating layer 30 , and a touch sensing layer 40 .
更具體來看，蓋板結構35包括一保護基板10及一遮蔽層20。保護基板10具有一表面10a以作為觸控面板100的觸控面。保護基板10可例如採用玻璃、石英或其他透明基板材料等設計，並且本實施例所述的保護基板10可以是進一步經過強化過後的基板，以提供保護觸控面板100的功能。More specifically, the cover structure 35 includes a protective substrate 10 and a shielding layer 20. The protective substrate 10 has a surface 10a as a touch surface of the touch panel 100. The protective substrate 10 can be designed, for example, by using glass, quartz or other transparent substrate materials, and the protective substrate 10 described in this embodiment can be a further strengthened substrate to provide a function of protecting the touch panel 100.
遮蔽層20形成於保護基板10之表面10b的至少一區域，並且遮蔽層20的形成區域定義出觸控面板100的非可視區97。其中，遮蔽層20之材料可選自由金屬及該金屬之氧化物所組成之群組。舉例來說，金屬可包括鋁、銀、鈦、銅、金、鉑、上述之合金或上述之任意組合。遮蔽層20的形成方式並不特別限定。在一些實施例中，可藉由傳統微影及蝕刻製程形成遮蔽層20。由於相同厚度的金屬及/或該金屬之氧化物的遮光性優於傳統光阻材料或油墨，因此在相同遮光率下，本創作的 遮蔽層20可較傳統遮蔽層具有較小的厚度。此外，本實施例之遮蔽層20更具有較佳的耐熱性及對於保護基板10的附著度。The shielding layer 20 is formed on at least one region of the surface 10b of the protective substrate 10, and the formation region of the shielding layer 20 defines the non-visible region 97 of the touch panel 100. The material of the shielding layer 20 may be selected from the group consisting of a metal and an oxide of the metal. For example, the metal can include aluminum, silver, titanium, copper, gold, platinum, alloys of the foregoing, or any combination of the foregoing. The manner in which the shielding layer 20 is formed is not particularly limited. In some embodiments, the masking layer 20 can be formed by conventional lithography and etching processes. Since the same thickness of the metal and/or the oxide of the metal is superior to the conventional photoresist material or ink, at the same shading rate, the creation The masking layer 20 can have a smaller thickness than a conventional masking layer. In addition, the shielding layer 20 of the present embodiment has better heat resistance and adhesion to the protective substrate 10.
由於遮蔽層20為非透明，因此當使用者從觸控面板100的觸控面之側觀看時，將可透過保護基板10看到相對於透明或透光之可視區99的非透明邊框。實際應用上可藉由選擇遮蔽層20之材料及調整遮蔽層20之厚度等方式來調整遮蔽層20的顏色，藉以達成觸控面板100不同的邊框顏色之設計。舉例來說，由於本實施例的遮蔽層20採用一單層結構之設計，例如一金屬層或一金屬氧化層，因此可藉由調整單層之材料及/或厚度來調整遮蔽層20的顏色。Since the shielding layer 20 is non-transparent, when the user views from the side of the touch surface of the touch panel 100, the non-transparent frame relative to the transparent or light-transmitting visible area 99 can be seen through the protective substrate 10. In practical applications, the color of the shielding layer 20 can be adjusted by selecting the material of the shielding layer 20 and adjusting the thickness of the shielding layer 20, thereby achieving the design of different border colors of the touch panel 100. For example, since the shielding layer 20 of the embodiment adopts a single-layer structure design, such as a metal layer or a metal oxide layer, the color of the shielding layer 20 can be adjusted by adjusting the material and/or thickness of the single layer. .
絕緣層30在非可視區97中是設置於遮蔽層20及觸控感應層40之間，在可視區99至少是包覆遮蔽層20的側壁202。絕緣層30用來電性隔絕遮蔽層20及觸控感應層40。就整體架構上來看，本實施例的絕緣層30是形成於遮蔽層20之表面上，而觸控感應層40則再形成於絕緣層30之表面及保護基板10之表面10b上並且對應位於觸控面板100的可視區99及非可視區97。The insulating layer 30 is disposed between the shielding layer 20 and the touch sensing layer 40 in the non-visible area 97, and at least the sidewall 202 of the shielding layer 20 is covered in the visible area 99. The insulating layer 30 is used to electrically isolate the shielding layer 20 and the touch sensing layer 40. The insulating layer 30 of the present embodiment is formed on the surface of the shielding layer 20, and the touch sensing layer 40 is formed on the surface of the insulating layer 30 and the surface 10b of the protective substrate 10 and correspondingly located. The visible area 99 and the non-visible area 97 of the control panel 100.
進一步說明，觸控感應層40可包括任何習知架構的觸控感應層。在一些實施例中，觸控感應層40可包括複數個沿一第一方向排列的第一感應電極及複數個沿一第二方向排列的第二感應電極。第一感應電極及第二感應電極可以彼此垂直且相互絕緣。此處為了簡化圖式，僅以一平整層表示之。Further, the touch sensing layer 40 can include a touch sensing layer of any conventional architecture. In some embodiments, the touch sensing layer 40 can include a plurality of first sensing electrodes arranged along a first direction and a plurality of second sensing electrodes arranged along a second direction. The first sensing electrode and the second sensing electrode may be perpendicular to each other and insulated from each other. Here, in order to simplify the drawing, it is represented by only one flat layer.
此外，觸控面板100更包括一線路層50，該線路層50電性連接觸控感應層40且對應位於非可視區97。在實際設計 上，線路層50可形成於觸控感應層40的上表面(如本實施例所示)或下表面，在此並非為本創作所限制。In addition, the touch panel 100 further includes a circuit layer 50 electrically connected to the touch sensing layer 40 and correspondingly located in the non-visible area 97. In actual design The circuit layer 50 can be formed on the upper surface of the touch sensing layer 40 (as shown in this embodiment) or the lower surface, which is not limited by the present invention.
絕緣層30除了如上述第1A圖所示的設置位置外，在其他實施例中，如第1B圖所示，絕緣層30在可視區99中可進一步設置於保護基板10及觸控感應層40之間，換句話說，第1B圖的絕緣層30是整面地形成於遮蔽層20之表面上，而觸控感應層40則再形成於絕緣層30之表面。如此一來，本實施例的絕緣層30不僅提供電性隔絕遮蔽層20及觸控感應層40的功能，更可進一步平坦化因遮蔽層20之厚度所造成與保護基板10之間的高低落差，讓觸控感應層40能形成在平坦的表面上，增加生產良率。The insulating layer 30 is further disposed on the protective substrate 10 and the touch sensing layer 40 in the visible region 99, as shown in FIG. 1B, in addition to the mounting position shown in FIG. 1A. In other words, the insulating layer 30 of FIG. 1B is formed on the entire surface of the shielding layer 20, and the touch sensing layer 40 is formed on the surface of the insulating layer 30. As a result, the insulating layer 30 of the present embodiment not only provides the function of electrically insulating the shielding layer 20 and the touch sensing layer 40, but also further flattens the height difference between the protective substrate 10 and the protective substrate 10 due to the thickness of the shielding layer 20. The touch sensing layer 40 can be formed on a flat surface to increase production yield.
請參見第2A-2D圖，第2A圖係繪示出根據本創作一實施例之觸控面板200的剖面示意圖，第2B圖係繪示出根據本創作另一實施例之觸控面板200的剖面示意圖，第2C圖係繪示出第2A圖中區域A的放大示意圖，且第2D圖係繪示出第2B圖中區域B的放大示意圖，其中相同於第1A-1B圖的部件係使用相同標號，並省略其說明。如第2A-2D圖所示，觸控面板200包括一包含至少一開口圖案的遮蔽層20。需注意的是，當形成線路層50時，需使線路層50對應於遮蔽層20未暴露的區域，亦即對應於遮蔽層20開口圖案之外的區域，使線路層50不被使用者觀看到。2A-2D, FIG. 2A is a cross-sectional view of the touch panel 200 according to an embodiment of the present invention, and FIG. 2B is a view of the touch panel 200 according to another embodiment of the present invention. 2C is an enlarged schematic view of a region A in FIG. 2A, and FIG. 2D is an enlarged schematic view showing a region B in FIG. 2B, wherein components similar to those in FIG. 1A-1B are used. The same reference numerals are given and the description thereof is omitted. As shown in FIGS. 2A-2D, the touch panel 200 includes a shielding layer 20 including at least one opening pattern. It should be noted that when the circuit layer 50 is formed, the circuit layer 50 needs to be corresponding to the unexposed area of the shielding layer 20, that is, the area corresponding to the opening pattern of the shielding layer 20, so that the circuit layer 50 is not viewed by the user. To.
如第2A及2C圖所示，本實施例的遮蔽層20採用一雙層結構之設計，其包括一形成於保護基板10之表面10b上的第一次層20a及一形成於第一次層20a之表面上的第二次層 20b，即第一次層20a與第二次層20b依序疊設形成於保護基板10之表面10b上。其中，第一次層20a包含至少一開口圖案20a’以局部顯露出第二次層20b。同樣的，在實際應用上可藉由選擇第一次層20a與第二次層20b之材料及調整厚度等方式來將第一次層20a與第二次層20b設計成不同顏色，以達成雙色且圖案化之邊框。As shown in FIGS. 2A and 2C, the shielding layer 20 of the present embodiment adopts a two-layer structure design including a first sub-layer 20a formed on the surface 10b of the protective substrate 10 and a first sub-layer formed on the surface. Second layer on the surface of 20a 20b, that is, the first sub-layer 20a and the second sub-layer 20b are sequentially stacked on the surface 10b of the protective substrate 10. The first sub-layer 20a includes at least one opening pattern 20a' to partially expose the second sub-layer 20b. Similarly, in the practical application, the first sub-layer 20a and the second sub-layer 20b can be designed in different colors by selecting the materials of the first sub-layer 20a and the second sub-layer 20b and adjusting the thickness, etc., to achieve two-color. And patterned borders.
如第2B及2D圖所示，本實施例的遮蔽層20採用三層結構之設計，其包括一第一次層20a、一第二次層20b及一第三次層20c，其中第一次層20a、第二次層20b及第三次層20c依序疊設形成於保護基板10之表面10b上。此外，第一次層20a及第二次層20b可分別具有至少一開口圖案20a’及20b’以局部顯露出第二次層20b及第三次層20b。同樣地，可將相鄰次層調整為不同顏色，以達成至少兩種顏色且圖案化之邊框。需注意的是，實際應用可依上述相同創作概念製作出遮蔽層20之其他變化例，而不限於上述第2A-2D圖所示的實施例。As shown in FIGS. 2B and 2D, the shielding layer 20 of the present embodiment adopts a three-layer structure design, and includes a first sub-layer 20a, a second sub-layer 20b, and a third sub-layer 20c, the first of which The layer 20a, the second sub-layer 20b, and the third sub-layer 20c are sequentially stacked on the surface 10b of the protective substrate 10. Further, the first sub-layer 20a and the second sub-layer 20b may have at least one opening pattern 20a' and 20b', respectively, to partially expose the second sub-layer 20b and the third sub-layer 20b. Likewise, adjacent sub-layers can be adjusted to different colors to achieve at least two color and patterned borders. It should be noted that the actual application can create other variations of the shielding layer 20 according to the same creative concept as described above, and is not limited to the embodiment shown in the above 2A-2D.
參見第3A圖，其繪出根據本創作一實施例之觸控面板300的剖面示意圖，其中相同於第1A-1B圖的部件係使用相同標號，並省略其說明。在本實施例中，遮蔽層20是例如以具有至少一開口圖案20’的單層結構來說明。其中，蓋板結構35更包括一設置於遮蔽層20上方且位於非可視區97的油墨層70。本實施例的油墨層70是例如形成於遮蔽層20遠離保護基板10之表面上，進而再形成絕緣層30於遮蔽層20之表面上，讓油墨層70位於遮蔽層20及絕緣層20之間，藉此遮蔽層20的開口圖案20’可局部顯露出油墨層70。Referring to FIG. 3A, a cross-sectional view of a touch panel 300 according to an embodiment of the present invention is illustrated. The same reference numerals are used for components identical to those of FIGS. 1A-1B, and the description thereof is omitted. In the present embodiment, the shielding layer 20 is illustrated, for example, in a single layer structure having at least one opening pattern 20'. The cover structure 35 further includes an ink layer 70 disposed above the shielding layer 20 and located in the non-visible area 97. The ink layer 70 of the present embodiment is formed on the surface of the shielding layer 20 away from the protective substrate 10, and then the insulating layer 30 is formed on the surface of the shielding layer 20, so that the ink layer 70 is located between the shielding layer 20 and the insulating layer 20. Thereby, the opening pattern 20' of the shielding layer 20 can partially expose the ink layer 70.
參見第3B圖，其繪出根據本創作另一實施例之觸控面板300的剖面示意圖，其中相同於第1A-1B圖的部件係使用相同標號，並省略其說明。在本實施例中，與第3A圖所示實施例之差異在於油墨層70之所謂設置於遮蔽層20上方，其是指油墨層70形成於觸控感應層40之上表面或下表面上且對應位於非可視區97。換句話說，本創作之油墨層70的設計概念是讓油墨層70在遮蔽層20形成之後才形成，進而遮蔽層20的開口圖案20’得以局部顯露油墨層70，讓觸控面板300的非可視區97可呈現出顏色差異且圖案化的效果。在本實施例中，由於位於非可視區97的油墨層70是形成於觸控感應層40之上表面或下表面上，因此線路層50可對應設計為疊加在油墨層70上或是與油墨層70形成在觸控感應層40的不同表面上。但不論何種設計，線路層50皆需電性連接觸控感應層40且對應位於非可視區97。Referring to FIG. 3B, a cross-sectional view of a touch panel 300 according to another embodiment of the present invention is illustrated, wherein the same reference numerals are used for components identical to those of FIGS. 1A-1B, and the description thereof is omitted. In this embodiment, the difference from the embodiment shown in FIG. 3A is that the ink layer 70 is disposed above the shielding layer 20, which means that the ink layer 70 is formed on the upper surface or the lower surface of the touch sensing layer 40 and Corresponding to being located in the non-visible area 97. In other words, the ink layer 70 of the present invention is designed in such a manner that the ink layer 70 is formed after the formation of the shielding layer 20, and the opening pattern 20' of the shielding layer 20 is partially exposed to the ink layer 70, so that the touch panel 300 is not The viewable area 97 can exhibit a color difference and a patterned effect. In this embodiment, since the ink layer 70 located in the non-visible area 97 is formed on the upper surface or the lower surface of the touch sensing layer 40, the circuit layer 50 may be correspondingly designed to be superposed on the ink layer 70 or with the ink. Layers 70 are formed on different surfaces of the touch sensing layer 40. Regardless of the design, the circuit layer 50 needs to be electrically connected to the touch sensing layer 40 and correspondingly located in the non-visible area 97.
在第3A-3B圖所示實施例中，可使油墨層70與遮蔽層20具有不同顏色。若遮蔽層20為單色，則觸控面板300可呈現出兩種顏色且圖案化之邊框。若遮蔽層20為兩種顏色，則觸控面板300可呈現出三種顏色且圖案化之邊框，依此類推。在其他實施例中，油墨層70可類似於上述遮蔽層20而為一具有開口圖案的多層結構，在此不詳述。In the embodiment shown in Figures 3A-3B, the ink layer 70 and the masking layer 20 can be made to have different colors. If the obscuring layer 20 is monochromatic, the touch panel 300 can present two colors and a patterned border. If the shielding layer 20 is of two colors, the touch panel 300 can present three colors and patterned borders, and so on. In other embodiments, the ink layer 70 can be a multilayer structure having an open pattern similar to the above-described masking layer 20, and will not be described in detail herein.
雖然在第3A-3B圖之實施例中，遮蔽層20為具有開口圖案20’的單層結構，然而應可理解的是，遮蔽層20可為具有開口圖案的多層結構，其中遮蔽層20的每一個次層皆具有開口圖案以顯露出油墨層70。Although in the embodiment of FIG. 3A-3B, the shielding layer 20 is a single layer structure having an opening pattern 20', it should be understood that the shielding layer 20 may be a multilayer structure having an opening pattern in which the shielding layer 20 is Each of the sub-layers has an opening pattern to expose the ink layer 70.
在上述具有開口圖案的遮蔽層的各種實施例中， 除使用微影及蝕刻製程形成遮蔽層外，亦可使用一具有該開口圖案的蔽蔭遮罩(shadow mask)配合沉積來形成遮蔽層。相較於使用微影及蝕刻製程，使用具有該開口圖案的蔽蔭遮罩配合沉積可使遮蔽層的製程步驟更為簡化。In various embodiments of the above-described shielding layer having an opening pattern, In addition to forming a masking layer using a lithography and etching process, a shadow mask may be used to form a masking layer by using a shadow mask having the opening pattern. Compared to the use of lithography and etching processes, the use of a shadow mask with such an opening pattern for co-deposition can simplify the processing steps of the masking layer.
參見第3C圖，其繪出根據本創作又另一實施例之觸控面板400的剖面示意圖，其中相同於第1A-1B圖的部件係使用相同標號，並省略其說明。在本實施例中，與第1A圖所示實施例之差異在於觸控面板400包括一蓋板結構35及一觸控感測器125，其中觸控感測器125透過一黏著層80來與蓋板結構35貼合。觸控感測器125可包括一承載基板120、一觸控感應層40及一線路層50，其中觸控感應層40形成於承載基板120的至少一表面，而線路層50電性連接觸控感應層40且對應於非可視區97。在本實施例中，遮蔽層20是以單層結構來說明，如第1A圖所示的實施例，然而在其他實施例中，遮蔽層20亦可設計為多層結構，如前述第2A圖及第2B圖所示的實施例，甚者在其他實施例中，遮蔽層20還可包含至少一開口圖案的單層結構，並搭配一油墨層來設計，如第3A圖及第3B圖所示的實施例。其中，若搭配第3A圖及第3B圖所示的油墨層70，則位於非可視區97中的油墨層70，可設置於遮蔽層20與黏著層80之間或在黏著層80與觸控感測器125之間，在其他實施例中，油墨層可類似於上述遮蔽層20而為一具有開口圖案的多層結構，在此不詳述。Referring to FIG. 3C, a cross-sectional view of a touch panel 400 according to still another embodiment of the present invention is illustrated. The same reference numerals are used for components identical to those of FIGS. 1A-1B, and the description thereof is omitted. In this embodiment, the difference from the embodiment shown in FIG. 1A is that the touch panel 400 includes a cover structure 35 and a touch sensor 125. The touch sensor 125 is coupled to the adhesive layer 80. The cover structure 35 is attached. The touch sensor 125 can include a carrier substrate 120, a touch sensing layer 40, and a circuit layer 50. The touch sensing layer 40 is formed on at least one surface of the carrier substrate 120, and the circuit layer 50 is electrically connected to the touch. The sensing layer 40 corresponds to the non-visible area 97. In this embodiment, the shielding layer 20 is illustrated by a single layer structure, as shown in FIG. 1A. However, in other embodiments, the shielding layer 20 may also be designed as a multilayer structure, as shown in FIG. 2A and In the embodiment shown in FIG. 2B, in other embodiments, the shielding layer 20 may further comprise a single layer structure of at least one opening pattern, and is designed with an ink layer, as shown in FIGS. 3A and 3B. An embodiment. Wherein, if the ink layer 70 shown in FIGS. 3A and 3B is used, the ink layer 70 located in the non-visible area 97 can be disposed between the shielding layer 20 and the adhesive layer 80 or on the adhesive layer 80 and the touch layer. Between the sensors 125, in other embodiments, the ink layer may be a multilayer structure having an opening pattern similar to the above-mentioned shielding layer 20, which will not be described in detail herein.
在上述實施例中，可進一步將觸控面板100、200、300及400與一顯示面板整合以形成一觸控顯示器。第4圖係繪 示出根據本創作不同實施例之觸控顯示器的剖面示意圖，其中相同於第1A-1B圖的部件係使用相同標號，並省略其說明。如第4圖所示，顯示面板1000可為例如一液晶顯示面板或一有機發光二極體面板，其貼合至一觸控面板100以形成一觸控顯示器1111。舉例來說，可藉由使用一光學透明膠110將顯示面板1000貼合至觸控面板100。在第4圖中，觸控面板100的配置係相同於第1A圖中的實施例所示。然而，觸控面板100可為第1B圖中的實施例。或者，觸控面板100可被取代為觸控面板200、300或400，如第2A及2B、3A及3B或3C圖所示。In the above embodiment, the touch panels 100, 200, 300, and 400 can be further integrated with a display panel to form a touch display. Figure 4 is drawn A cross-sectional view of a touch display according to various embodiments of the present invention is shown, wherein the same reference numerals are used for components identical to those of FIGS. 1A-1B, and the description thereof is omitted. As shown in FIG. 4 , the display panel 1000 can be, for example, a liquid crystal display panel or an organic light emitting diode panel, which is attached to a touch panel 100 to form a touch display 1111 . For example, the display panel 1000 can be attached to the touch panel 100 by using an optical transparent adhesive 110. In FIG. 4, the configuration of the touch panel 100 is the same as that of the embodiment in FIG. 1A. However, the touch panel 100 may be the embodiment in FIG. 1B. Alternatively, the touch panel 100 may be replaced with the touch panel 200, 300 or 400 as shown in FIGS. 2A and 2B, 3A and 3B or 3C.
補充說明的是，上述各個實施例中所述及的絕緣層30，其材料可包括一般用於觸控面板之絕緣材料，例如氧化矽，但不特別限定於此，並且絕緣層30是例如為透明的絕緣層。此外，觸控感應層40的感應電極可包括氧化銦錫、氧化銦鋅、氧化鎘錫、氧化鋁鋅、氧化銦鋅錫、氧化鋅、氧化鎘、氧化鉿、氧化銦鎵鋅(indium gallium zinc oxide,InGaZnO)、氧化銦鎵鋅鎂(indium gallium zinc magnesium oxide,InGaZnMgO)、氧化銦鋅鎂(indium zinc magnesium oxide,InZnMgO)或氧化銦鎵鋁(indium gallium aluminum oxide,InGaAlO)等透明導電材料。It is to be noted that the insulating layer 30 described in the above embodiments may include an insulating material generally used for a touch panel, such as yttrium oxide, but is not particularly limited thereto, and the insulating layer 30 is, for example, Transparent insulation. In addition, the sensing electrodes of the touch sensing layer 40 may include indium tin oxide, indium zinc oxide, cadmium tin oxide, aluminum zinc oxide, indium zinc tin oxide, zinc oxide, cadmium oxide, antimony oxide, indium gallium zinc (indium gallium zinc). Oxide, InGaZnO), indium gallium zinc magnesium oxide (InGaZnMgO), indium zinc magnesium oxide (InZnMgO) or indium gallium aluminum oxide (InGaAlO) and other transparent conductive materials.
根據上述實施例，蓋板結構中遮蔽層係由金屬及/或其氧化物所構成，相較於傳統使用光阻材料的遮蔽層而言，可有效提升遮蔽層的耐熱性、遮光性及對於保護基板附著度，因此能夠更容易進行後續形成感測電極層或貼合製程，並且提升其他元件及膜層的可靠度，有效地提升觸控面板的生產良 率。同時可減少遮蔽層厚度，進而使蓋板結構的整體厚度變薄。再者，由於遮蔽層可具有多層結構及/或開口圖案，且可搭配油墨層形成邊框，因此可增加邊框的顏色選擇性與圖案變化，進而增加邊框的設計彈性。另外，本創作的觸控面板可被廣泛應用於各種電子裝置中，特別是可輕易應用於一顯示面板中，例如一液晶顯示面板或一有機發光二極體顯示面板中。According to the above embodiment, the shielding layer in the cover structure is composed of metal and/or its oxide, and the heat resistance and the light shielding property of the shielding layer can be effectively improved compared with the conventional shielding layer using the photoresist material. Protecting the adhesion of the substrate, so that the subsequent formation of the sensing electrode layer or the bonding process can be more easily performed, and the reliability of other components and layers can be improved, and the production of the touch panel can be effectively improved. rate. At the same time, the thickness of the shielding layer can be reduced, thereby making the overall thickness of the cover structure thin. Moreover, since the shielding layer can have a multi-layer structure and/or an opening pattern, and can form a frame with the ink layer, the color selectivity and pattern change of the frame can be increased, thereby increasing the design flexibility of the frame. In addition, the touch panel of the present invention can be widely used in various electronic devices, and in particular, can be easily applied to a display panel, such as a liquid crystal display panel or an organic light emitting diode display panel.
雖然本創作已以數個較佳實施例創作如上，然其並非用以限定本創作，任何所屬技術領域中具有通常知識者，在不脫離本創作之精神和範圍內，當可作任意之更動與潤飾，因此本創作之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been described above in terms of several preferred embodiments, it is not intended to limit the present invention, and any person having ordinary skill in the art can make any changes without departing from the spirit and scope of the present invention. And the retouching, therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application attached.
10‧‧‧保護基板10‧‧‧Protective substrate
10a‧‧‧表面10a‧‧‧ surface
10b‧‧‧表面10b‧‧‧ surface
20‧‧‧遮蔽層20‧‧‧shading layer
30‧‧‧絕緣層30‧‧‧Insulation
35‧‧‧蓋板結構35‧‧‧ cover structure
40‧‧‧觸控感應層40‧‧‧Touch sensing layer
50‧‧‧線路層50‧‧‧Line layer
97‧‧‧非可視區97‧‧‧Invisible area
99‧‧‧可視區99‧‧‧visible area
100‧‧‧觸控面板100‧‧‧ touch panel
202‧‧‧側壁202‧‧‧ side wall
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| TWI512586B (en) * | 2014-03-28 | 2015-12-11 |
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2012
- 2012-12-20 CN CN201210595782.9A patent/CN103885626A/en active Pending
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- 2013-04-09 TW TW102206360U patent/TWM462406U/en unknown
- 2013-04-09 TW TW102112456A patent/TWI503710B/en not_active IP Right Cessation
- 2013-10-23 WO PCT/CN2013/085741 patent/WO2014094493A1/en active Application Filing
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| TWI503710B (en) * | 2012-12-20 | 2015-10-11 | Ray Star Technology Xiamen Inc | Touch panel and cover substrate structure thereof |
| TWI512586B (en) * | 2014-03-28 | 2015-12-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI503710B (en) | 2015-10-11 |
| TW201426448A (en) | 2014-07-01 |
| WO2014094493A1 (en) | 2014-06-26 |
| CN103885626A (en) | 2014-06-25 |
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