TWI588713B - Touch display apparatus - Google Patents

Touch display apparatus Download PDF

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TWI588713B
TWI588713B TW105127708A TW105127708A TWI588713B TW I588713 B TWI588713 B TW I588713B TW 105127708 A TW105127708 A TW 105127708A TW 105127708 A TW105127708 A TW 105127708A TW I588713 B TWI588713 B TW I588713B
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layer
toning
light shielding
display device
touch display
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TW105127708A
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Chinese (zh)
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TW201809991A (en
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劉琪斌
彭思翔
石靖節
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宸美(廈門)光電有限公司
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Description

觸控顯示裝置 Touch display device

本發明係關於一種觸控顯示裝置。 The present invention relates to a touch display device.

在觸控式顯示裝置中,觸控面板可覆蓋顯示面板,故使用者可對應顯示面板的顯示圖案來觸碰觸控面板的對應位置,以操作觸控式顯示裝置。進一步來說,觸控面板包含透光的可視區以及不透光的非可視區。顯示面板係位於可視區下方,以顯露顯示面板的畫面。觸控面板之非可視區下方可設有許多不透光的周邊元件(例如:金屬導線或可撓性電路板等等),故這些不透光的周邊元件可被非可視區所遮蔽。 In the touch display device, the touch panel can cover the display panel, so that the user can touch the corresponding position of the touch panel according to the display pattern of the display panel to operate the touch display device. Further, the touch panel includes a light-visible visible area and an opaque non-visible area. The display panel is located below the viewable area to reveal the display panel. A plurality of opaque peripheral elements (eg, metal wires or flexible circuit boards, etc.) may be disposed under the non-visible area of the touch panel, such that the opaque peripheral elements may be shielded by the non-visible area.

一般來說,觸控面板的非可視區可藉由在觸控面板上設置黑色遮蔽層(Black Mask;BM)來實現。然而,由於黑色矩陣係呈現黑色,而諸如液晶面板或有機發光二極體面板等顯示面板在關閉的時候往往並非呈現黑色,故當此類觸控顯示裝置在非使用狀態下時,非可視區與可視區的交界會相當明顯,也即非可視區與可視區出現明顯的色差。 In general, the non-visible area of the touch panel can be realized by providing a black mask (BM) on the touch panel. However, since the black matrix system is black, and the display panel such as the liquid crystal panel or the organic light emitting diode panel is not black when it is turned off, when the touch display device is in a non-use state, the non-visible area The boundary with the visible area is quite obvious, that is, the non-visible area and the visible area have obvious chromatic aberration.

本發明之實施方式揭露一種觸控顯示裝置,其可降低甚至消弭可視區與非可視區的顏色差異,以降低可視區與非可視區的交界之可見度。 Embodiments of the present invention disclose a touch display device that can reduce or even eliminate the color difference between the visible area and the non-visible area to reduce the visibility of the boundary between the visible area and the non-visible area.

依據本發明之部分實施方式,一種觸控顯示裝置包含一透光蓋板、一遮光層以及一調色層。透光蓋板具有一內表面。內表面區分有一第一區域以及一第二區域。遮光層係設置於內表面之第一區域且不位於第二區域。調色層係位於遮光層與透光蓋板之間,使得在觸控顯示裝置處於非使用狀態時,第一區域與第二區域之間的色差小於等於3。於上述實施方式中,由於調色層係位於遮光層與透光蓋板之間,且遮光層與調色層在透光蓋板一側呈現之整體顏色係不同於遮光層之顏色,故即使透光蓋板之第二區域因為其下方的顯示面板而呈現不同於遮光層的顏色,仍可藉由調色層調整第一區域的顏色,使得在觸控顯示裝置處於非使用狀態時,第一區域與第二區域之間的色差小於等於3,以降低或進一步消弭第一區域與第二區域的顏色差異,從而降低觸控顯示裝置之可視區與非可視區的交界之可見度。 According to some embodiments of the present invention, a touch display device includes a transparent cover, a light shielding layer, and a toning layer. The light transmissive cover has an inner surface. The inner surface is divided into a first area and a second area. The light shielding layer is disposed on the first region of the inner surface and not in the second region. The toning layer is located between the light shielding layer and the transparent cover plate such that when the touch display device is in a non-use state, the color difference between the first region and the second region is less than or equal to 3. In the above embodiment, since the toning layer is located between the light shielding layer and the transparent cover, and the overall color of the light shielding layer and the toning layer on the side of the transparent cover is different from the color of the light shielding layer, even The second area of the transparent cover plate exhibits a color different from the light shielding layer because of the lower display panel, and the color of the first area can be adjusted by the toning layer so that when the touch display device is in a non-use state, The color difference between the area and the second area is less than or equal to 3 to reduce or further eliminate the color difference between the first area and the second area, thereby reducing the visibility of the boundary between the visible area and the non-visible area of the touch display device.

以上所述僅係用以闡述本發明所欲解決的問題、解決問題的技術手段、及其產生的功效等等,本發明之具體細節將在下文的實施方式及相關圖式中詳細介紹。 The above description is only for explaining the problems to be solved by the present invention, the technical means for solving the problems, the effects thereof, and the like, and the specific details of the present invention will be described in detail in the following embodiments and related drawings.

100‧‧‧透光蓋板 100‧‧‧Transparent cover

110‧‧‧內表面 110‧‧‧ inner surface

111‧‧‧第一區域 111‧‧‧First area

112‧‧‧第二區域 112‧‧‧Second area

120‧‧‧外表面 120‧‧‧ outer surface

200‧‧‧遮光層 200‧‧‧ shading layer

210‧‧‧內邊緣 210‧‧‧ inner edge

220‧‧‧外邊緣 220‧‧‧ outer edge

300、300a‧‧‧調色層 300, 300a‧‧‧ color layer

310‧‧‧內邊緣 310‧‧‧ inner edge

320‧‧‧外邊緣 320‧‧‧ outer edge

330、330a‧‧‧第一表面 330, 330a‧‧‧ first surface

340、340a‧‧‧第二表面 340, 340a‧‧‧ second surface

400‧‧‧觸碰感應層 400‧‧‧Touch touch layer

500‧‧‧走線層 500‧‧‧Line layer

600、600a‧‧‧折射率調整層 600, 600a‧‧ ‧ refractive index adjustment layer

610、620‧‧‧表面 610, 620‧‧‧ surface

700‧‧‧附著提升層 700‧‧‧ Attachment lifting layer

S‧‧‧顯示面板 S‧‧‧ display panel

為讓本發明之上述和其他目的、特徵、優點與實施例能更明顯易懂,所附圖式之說明如下: 第1圖繪示依據本發明一實施方式之觸控顯示裝置的剖面圖;第2圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖;第3圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖;第4圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖;以及第5圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖。 The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. 1 is a cross-sectional view of a touch display device according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of a touch display device according to another embodiment of the present invention; and FIG. 3 is a cross-sectional view of the touch display device according to another embodiment of the present invention; 1 is a cross-sectional view of a touch display device according to another embodiment of the present invention; and FIG. 5 is a cross-sectional view of a touch display device according to another embodiment of the present invention; and FIG. 5 is a touch display according to another embodiment of the present invention. A cross-sectional view of the device.

以下將以圖式揭露本發明之複數實施方式,為明確說明起見,許多實務上的細節將在以下敘述中一併說明。然而,熟悉本領域之技術人員應當瞭解到,在本發明部分實施方式中,這些實務上的細節並非必要的,因此不應用以限制本發明。此外,為簡化圖式起見,一些習知慣用的結構與元件在圖式中將以簡單示意的方式繪示之。另外,為了便於讀者觀看,圖式中各元件的尺寸並非依實際比例繪示。 The embodiments of the present invention are disclosed in the following drawings, and for the purpose of clarity However, it should be understood by those skilled in the art that the details of the invention are not essential to the details of the invention. In addition, some of the conventional structures and elements are shown in the drawings in a simplified schematic manner in order to simplify the drawings. In addition, the dimensions of the various elements in the drawings are not shown in actual scale for the convenience of the reader.

第1圖繪示依據本發明一實施方式之觸控顯示裝置的剖面圖。如第1圖所示,於本實施方式中,觸控顯示裝置可包含透光蓋板100、遮光層200、調色層300以及觸碰感應層400。透光蓋板100具有內表面110。透光蓋板100區分有第一區域111以及第二區域112。第一區域111與第二 區域112係相鄰接的。於部分實施方式中,第一區域111可為環形區域並圍繞第二區域112。遮光層200係設置於內表面110的第一區域111且不位於第二區域112,使得第一區域111可做為觸控顯示裝置之非可視區,而第二區域112可做為觸控顯示裝置之可視區。觸碰感應層400係設置於內表面110,且至少位於內表面110的第二區域112。調色層300係至少位於遮光層200與透光蓋板100之第一區域111之間,而可隔開遮光層200與透光蓋板100。遮光層200與調色層300在透光蓋板100一側呈現之整體顏色係不同於遮光層200之顏色。因此,當使用者觀從透光蓋板100一側看第一區域111時,可看到遮光層200與調色層300所共同呈現第一區域111的顏色,而不僅看到遮光層200的顏色而已。如此一來,即使觸控顯示裝置在非使用狀態下時,透光蓋板100之第二區域112因為其下方的顯示面板S而呈現不同於遮光層200的顏色,仍可藉由調色層300調整透光蓋板100之第一區域111的顏色,以利降低或進一步消弭第一區域111與第二區域112的顏色差異,從而降低觸控顯示裝置在非使用狀態下時,可視區與非可視區的交界之可見度。 1 is a cross-sectional view of a touch display device in accordance with an embodiment of the present invention. As shown in FIG. 1 , in the present embodiment, the touch display device may include a transparent cover 100 , a light shielding layer 200 , a toner layer 300 , and a touch sensing layer 400 . The light transmissive cover 100 has an inner surface 110. The transparent cover 100 is divided into a first area 111 and a second area 112. First area 111 and second Regions 112 are contiguous. In some embodiments, the first region 111 can be an annular region and surround the second region 112. The light shielding layer 200 is disposed on the first region 111 of the inner surface 110 and not in the second region 112, such that the first region 111 can serve as a non-visible area of the touch display device, and the second region 112 can be used as a touch display. The visible area of the device. The touch sensing layer 400 is disposed on the inner surface 110 and at least in the second region 112 of the inner surface 110. The toning layer 300 is disposed at least between the light shielding layer 200 and the first region 111 of the transparent cover 100, and the light shielding layer 200 and the transparent cover 100 may be separated. The overall color of the light shielding layer 200 and the toning layer 300 on the side of the transparent cover 100 is different from the color of the light shielding layer 200. Therefore, when the user sees the first region 111 from the side of the transparent cover 100, it can be seen that the light shielding layer 200 and the toning layer 300 together present the color of the first region 111, and not only the light shielding layer 200 is seen. Color only. In this way, even if the touch display device is in the non-use state, the second region 112 of the transparent cover plate 100 exhibits a color different from the light shielding layer 200 because of the display panel S below it, and can still be used by the toning layer. The color of the first region 111 of the transparent cover 100 is adjusted to reduce or further eliminate the color difference between the first region 111 and the second region 112, thereby reducing the visible region of the touch display device when not in use. The visibility of the boundary of the non-visible area.

於部分實施方式中,如第1圖所示,調色層300在透光蓋板100之內表面110上的正投影面積不小於遮光層200在透光蓋板100之內表面110上的正投影面積,且調色層300與遮光層200在內表面110上的正投影係重疊的。換句話說,遮光層200可完全被調色層300所覆蓋,故可利於使用者看到遮光層200與調色層300所共同呈現的整體顏 色,而防止使用者僅看到遮光層200的顏色。 In some embodiments, as shown in FIG. 1 , the orthographic projection area of the toning layer 300 on the inner surface 110 of the transparent cover 100 is not less than the positive of the light shielding layer 200 on the inner surface 110 of the transparent cover 100 . The area is projected, and the toning layer 300 overlaps with the orthographic projection of the light shielding layer 200 on the inner surface 110. In other words, the light shielding layer 200 can be completely covered by the toning layer 300, so that the user can see the overall color of the light shielding layer 200 and the toning layer 300 together. Color, while preventing the user from seeing only the color of the light shielding layer 200.

具體來說,遮光層200可包含內邊緣210以及外邊緣220。內邊緣210與外邊緣220係相對的。內邊緣210比外邊緣220更靠近透光蓋板100的第二區域112。相似地,調色層300亦包含內邊緣310以及外邊緣320。內邊緣310與外邊緣320係相對的。內邊緣310比外邊緣320更靠近透光蓋板100的第二區域112。遮光層200的內邊緣210可鄰接於調色層300的內邊緣310,且於部分實施方式中,調色層300的內邊緣310可與遮光層200的內邊緣210實質上對齊。相似地,遮光層200的外邊緣220可鄰接於調色層300的外邊緣320,調色層300的外邊緣320可與遮光層200的外邊緣220實質上對齊。如此一來,遮光層200與調色層300在透光蓋板100之內表面110上的正投影可重疊,且遮光層200在內表面110上的正投影不會超出調色層300在內表面110上的投影之範圍。因此,遮光層200可完全被調色層300所覆蓋,從而利於使用者看到遮光層200與調色層300在透光蓋板100一側所共同呈現的整體顏色,並防止使用者看到遮光層200的顏色,以助於降低透光蓋板100之第一區域111與第二區域112的顏色差異。 In particular, the light shielding layer 200 can include an inner edge 210 and an outer edge 220. The inner edge 210 is opposite the outer edge 220. The inner edge 210 is closer to the second region 112 of the translucent cover 100 than the outer edge 220. Similarly, the toning layer 300 also includes an inner edge 310 and an outer edge 320. The inner edge 310 is opposite the outer edge 320. The inner edge 310 is closer to the second region 112 of the translucent cover 100 than the outer edge 320. The inner edge 210 of the light shielding layer 200 may abut the inner edge 310 of the toning layer 300, and in some embodiments, the inner edge 310 of the toning layer 300 may be substantially aligned with the inner edge 210 of the light shielding layer 200. Similarly, the outer edge 220 of the light-shielding layer 200 can abut the outer edge 320 of the tinted layer 300, and the outer edge 320 of the tinted layer 300 can be substantially aligned with the outer edge 220 of the light-shielding layer 200. As a result, the orthographic projection of the light shielding layer 200 and the toning layer 300 on the inner surface 110 of the transparent cover 100 may overlap, and the orthographic projection of the light shielding layer 200 on the inner surface 110 does not exceed the toning layer 300. The extent of the projection on surface 110. Therefore, the light shielding layer 200 can be completely covered by the toning layer 300, thereby facilitating the user to see the overall color co-presented by the light shielding layer 200 and the toning layer 300 on the side of the transparent cover 100, and preventing the user from seeing The color of the light shielding layer 200 is to help reduce the color difference between the first region 111 and the second region 112 of the transparent cover 100.

調色層300係夾抵於遮光層200與透光蓋板100之內表面110之間。具體來說,調色層300還可包含第一表面330以及第二表面340。第一表面330與第二表面340係相對的,內邊緣310與外邊緣320均係鄰接於第一表面330與第二表面340之間。第一表面330比第二表面340更靠 近透光蓋板100,舉例來說,第一表面330可接觸透光蓋板100之內表面110。第二表面340比第一表面330更靠近遮光層200,可接觸遮光層200。如此一來,調色層300可夾抵於遮光層200與透光蓋板100之間。 The toning layer 300 is sandwiched between the light shielding layer 200 and the inner surface 110 of the transparent cover 100. Specifically, the toning layer 300 may further include a first surface 330 and a second surface 340. The first surface 330 is opposite the second surface 340, and both the inner edge 310 and the outer edge 320 are adjacent between the first surface 330 and the second surface 340. The first surface 330 is closer to the second surface 340 The near transparent cover 100, for example, the first surface 330 may contact the inner surface 110 of the transparent cover 100. The second surface 340 is closer to the light shielding layer 200 than the first surface 330 and can contact the light shielding layer 200. In this way, the toning layer 300 can be sandwiched between the light shielding layer 200 and the transparent cover 100.

於部分實施方式中,可先將調色層300形成於透光蓋板100的內表面110之第一區域111上,接著,再將遮光層200形成於調色層300上,使調色層300夾抵於遮光層200與透光蓋板100之間。於部分實施方式中,調色層300的例示性形成方法可為利用蒸鍍或濺鍍等沈積製程將調色層300的材料沈積於透光蓋板100之內表面110上。遮光層200的例示性形成方法可為將遮光層200的材料印刷於調色層300上,舉例來說,遮光層200的材料可為油墨,其可印刷於調色層300上。 In some embodiments, the toning layer 300 may be formed on the first region 111 of the inner surface 110 of the transparent cover 100, and then the light shielding layer 200 is formed on the toning layer 300 to make the toning layer. The 300 clip is between the light shielding layer 200 and the transparent cover 100. In some embodiments, the exemplary formation method of the toning layer 300 may be to deposit the material of the toning layer 300 on the inner surface 110 of the transparent cover 100 by a deposition process such as evaporation or sputtering. An exemplary method of forming the light shielding layer 200 may be to print the material of the light shielding layer 200 on the toner layer 300. For example, the material of the light shielding layer 200 may be ink, which may be printed on the toning layer 300.

於部分實施方式中,透光蓋板100之第一區域111的顏色係可根據調色層300之厚度變化而改變的。換句話說,當調色層300之厚度不同時,遮光層200與調色層300在透光蓋板100一側呈現之整體顏色會改變。如此一來,製造者可藉由控制調色層300的厚度,來調整第一區域111的顏色。舉例來說,觸控顯示裝置更包括一顯示面板S,顯示面板S與透光蓋板100分別位於觸碰感應層400之相異兩側(例如:相反側或相對側),且位於第二區域112,若顯示面板S(如有機發光二極體面板)在非使用狀態(亦即,關閉狀態)時係呈現藍色的,則即使遮光層200在部分實施方式中的顏色為非藍色,亦即,遮光層200的顏色在LAB色彩空間 座標的b*值為正的,使用者仍可採用特定厚度的調色層300,例如調色層為鈮氧化物、矽氮化物或兩者,厚度為介於5奈米至15奈米之間,使得此調色層300與遮光層200在透光蓋板100一側呈現的整體顏色呈現藍色,亦即,此整體顏色在LAB色彩空間座標的b*值為負的,從而助於降低第一區域111與第二區域112的顏色差異,可使得第一區域111與第二區域112之間的色差ΔE*小於或等於3,較佳的,第一區域與第二區域112之間的色差ΔE*介於0.7至2.5之間。需要說明的是,ΔE*=[(ΔL*)2+(Δa*)2。+(Δb*)2]1/2,其中ΔL*代表LAB色彩空間座標之亮度值L*的差異,Δa*代表LAB色彩空間座標之橫座標值(a*值)的差異,Δb*代表LAB色彩空間座標之縱座標值(b*值)的差異。 In some embodiments, the color of the first region 111 of the transparent cover 100 may vary according to the thickness of the toning layer 300. In other words, when the thickness of the toning layer 300 is different, the overall color of the light shielding layer 200 and the toning layer 300 on the side of the translucent cover 100 may change. In this way, the manufacturer can adjust the color of the first region 111 by controlling the thickness of the toning layer 300. For example, the touch display device further includes a display panel S, and the display panel S and the transparent cover 100 are respectively located on opposite sides of the touch sensing layer 400 (eg, opposite sides or opposite sides), and are located at the second In the area 112, if the display panel S (such as the organic light emitting diode panel) is blue in the non-use state (ie, the off state), even if the color of the light shielding layer 200 in some embodiments is non-blue That is, the color of the light shielding layer 200 is positive at the b* value of the LAB color space coordinates, and the user can still use the toning layer 300 of a specific thickness, for example, the toning layer is tantalum oxide, tantalum nitride or both. The thickness is between 5 nm and 15 nm, so that the overall color of the toning layer 300 and the light shielding layer 200 on the side of the transparent cover 100 is blue, that is, the overall color is in the LAB color. The b* value of the space coordinates is negative, thereby helping to reduce the color difference between the first region 111 and the second region 112, so that the color difference ΔE* between the first region 111 and the second region 112 is less than or equal to 3, Preferably, the color difference ΔE* between the first region and the second region 112 is between 0.7 and 2.5. . It should be noted that ΔE*=[(ΔL*) 2 +(Δa*) 2 . +(Δb*) 2 ] 1/2 , where ΔL* represents the difference in luminance value L* of the LAB color space coordinates, Δa* represents the difference in the abscissa value (a* value) of the LAB color space coordinates, and Δb* represents LAB The difference in the ordinate value (b* value) of the color space coordinates.

通常當反射率較大時,該區域在LAB色彩空間座標的L*值也會較大,現有技術中,遮光層200與透光蓋板100沒有設置調色層300,遮光層200與透光蓋板100的疊構對外部光線的反射率較大,第一區域111在LAB色彩空間座標的L*值會高於第二區域112的L*值,故第一區域111與第二區域112之間的色差也會較大。在本發明之部分實施方式中,調色層300與遮光層200之疊層的反射率低於遮光層200之反射率,如此一來,當外界光線穿過透光蓋板100而抵達調色層300時,調色層300相對不易反射此外界光線,第一區域111的整體反射率較低,使得第一區域111在LAB色彩空間座標的L*值降低至與第二區域112的L*值接近,從而進一步減小第一區域111與第二區域之間的色差。 Generally, when the reflectance is large, the L* value of the area in the LAB color space coordinates is also large. In the prior art, the light-shielding layer 200 and the transparent cover 100 are not provided with the toning layer 300, and the light-shielding layer 200 is transparent. The stacking of the cover plate 100 has a large reflectance to the external light, and the L* value of the first region 111 in the LAB color space coordinates is higher than the L* value of the second region 112, so the first region 111 and the second region 112 The color difference between them will also be large. In some embodiments of the present invention, the reflectivity of the stack of the toning layer 300 and the light shielding layer 200 is lower than the reflectivity of the light shielding layer 200, so that when external light passes through the transparent cover 100, the color is reached. At the time of the layer 300, the toning layer 300 is relatively difficult to reflect the external light, and the overall reflectance of the first region 111 is low, so that the L* value of the first region 111 at the LAB color space coordinates is lowered to L* with the second region 112. The values are close, thereby further reducing the chromatic aberration between the first region 111 and the second region.

於部分實施方式中,調色層300可為鈮氧化物、矽氮化物或兩者。舉例來說,調色層300之材料可為五氧化二鈮(Nb2O5)、氮化矽(Si3N4)或兩者之組合。上述材料不僅可利於使調色層300與遮光層200之整體顏色不同於遮光層200之顏色,還可利於使第一區域111的顏色根據調色層300之厚度變化而改變,也可利於調色層300之反射率低於遮光層200之反射率。換句話說,調色層300可為鈮氧化物層、矽氮化物層或兩者之組合,以利降低第一區域111與第二區域112之顏色差異。於部分實施方式中,鈮氧化物層、矽氮化物層或兩者之組合的例示性形成方法可為蒸鍍或濺鍍等沈積方式,但本發明並不以此為限。 In some embodiments, the tinting layer 300 can be tantalum oxide, tantalum nitride, or both. For example, the material of the toning layer 300 may be niobium pentoxide (Nb 2 O 5 ), tantalum nitride (Si 3 N 4 ), or a combination of the two. The above materials can not only make the overall color of the toning layer 300 and the light shielding layer 200 different from the color of the light shielding layer 200, but also facilitate the change of the color of the first region 111 according to the thickness of the toning layer 300, and can also facilitate the adjustment. The reflectance of the color layer 300 is lower than the reflectance of the light shielding layer 200. In other words, the toning layer 300 may be a tantalum oxide layer, a tantalum nitride layer, or a combination of both to reduce the color difference between the first region 111 and the second region 112. In some embodiments, the exemplary formation method of the tantalum oxide layer, the tantalum nitride layer, or a combination of the two may be a deposition method such as evaporation or sputtering, but the invention is not limited thereto.

下表列舉出依據本發明之實施方式的觸控顯示裝置之第一區域111與對照組之觸控裝置之第一區域111在各個視角下的反射率、LAB色彩空間座標的a*值與b*值。 The following table lists the reflectance of the first region 111 of the touch display device according to the embodiment of the present invention and the first region 111 of the touch device of the control group at various viewing angles, the a* value of the LAB color space coordinates, and b. *value.

在對照組的觸控顯示裝置之第一區域111中,透光蓋板與遮光層之間並無調色層,而在本發明實施方式之觸控顯示裝置的第一區域111中,透光蓋板與遮光層之間具有調色層。由上表可知,具有調色層的非可視區在各個視角下的LAB色彩空間座標之b*值為負值(亦即,b*<0),而不具有調色層的非可視區在各個視角下的LAB色彩空間座標之b*值為正值(亦即,b*>0)。由此可知,調色層可用來調整第一區域111的顏色,進一步,調色層還可用來將非可視區的顏色調整為藍色(亦即,b*值為負值的顏色),故即使位於第二區域112下方的顯示面板在非使用狀態下時係呈現藍色,調色層仍可助於降低第一區域111與第二區域112的顏色差異。此外,由上表亦可知,具有調色層的第一區域111在各個視角下之反射率,係低於在相同視角下不具有調色層的第一區域111的反射率。由此可知,調色層之低反射率特性可助於降低非可視區的反射率,以進一步降低第一區域111與第二區域112之間的色差。 In the first region 111 of the touch display device of the control group, there is no toning layer between the transparent cover plate and the light shielding layer, and in the first region 111 of the touch display device of the embodiment of the present invention, the light is transmitted. There is a toning layer between the cover plate and the light shielding layer. As can be seen from the above table, the b* value of the LAB color space coordinates of the non-visible area having the toning layer at each viewing angle is a negative value (ie, b*<0), and the non-visible area without the toning layer is The b* value of the LAB color space coordinates at various viewing angles is a positive value (ie, b*>0). It can be seen that the toning layer can be used to adjust the color of the first region 111. Further, the toning layer can also be used to adjust the color of the non-visible region to blue (that is, the color with a negative b* value). Even if the display panel located below the second region 112 appears blue when not in use, the toning layer can help reduce the color difference between the first region 111 and the second region 112. Further, as can be seen from the above table, the reflectance of the first region 111 having the toner layer at each viewing angle is lower than the reflectance of the first region 111 having no toner layer at the same viewing angle. It can be seen that the low reflectivity characteristic of the toning layer can help reduce the reflectance of the non-visible area to further reduce the chromatic aberration between the first area 111 and the second area 112.

於部分實施方式中,觸碰感應層400可包含複數透光導電圖案於其中,其可利用電容偵測的方式來偵測使 用者在透光蓋板100觸碰位置,但本發明之觸碰感應層400的偵測方式並不以此為限。於部分實施方式中,透光導電圖案的材料可包括氧化銦錫(Indium Tin Oxide;ITO)、氧化銦鋅(Indium Zinc Oxide;IZO)、氧化鋁鋅、氧化鋅、氧化錫銻、二氧化錫、氧化銦、奈米銀、奈米碳管、金屬網格(Metal mesh)或任兩者以上之組合,但本發明並不以此為限。於部分實施方式中,觸控顯示裝置還可包含走線層500。走線層500係位於遮光層200上。換句話說,遮光層200係位於透光蓋板100與走線層500之間,而可遮蔽走線層500,故當使用者從透光蓋板100上方觀看觸控顯示裝置時,走線層500可被遮光層200所遮蔽。因此,走線層500中可包含不透光元件,故於部分實施方式中,走線層500可包含複數金屬導線於其中。此金屬導線的材料可為金、銀或銅,但本發明不以此為限。 In some embodiments, the touch sensing layer 400 can include a plurality of transparent conductive patterns therein, which can be detected by means of capacitance detection. The user touches the position of the transparent cover 100, but the detection manner of the touch sensing layer 400 of the present invention is not limited thereto. In some embodiments, the material of the light-transmitting conductive pattern may include Indium Tin Oxide (ITO), Indium Zinc Oxide (IZO), Aluminium Zinc Oxide, Zinc Oxide, Tin Oxide, Tin Oxide. Indium oxide, nano silver, carbon nanotube, metal mesh or a combination of any combination of the two, but the invention is not limited thereto. In some embodiments, the touch display device can further include a trace layer 500. The wiring layer 500 is located on the light shielding layer 200. In other words, the light shielding layer 200 is located between the transparent cover plate 100 and the wiring layer 500, and can shield the wiring layer 500. Therefore, when the user views the touch display device from above the transparent cover 100, the wiring is traced. Layer 500 can be obscured by light shielding layer 200. Therefore, the opaque element may be included in the wiring layer 500. Therefore, in some embodiments, the wiring layer 500 may include a plurality of metal wires therein. The material of the metal wire may be gold, silver or copper, but the invention is not limited thereto.

走線層500電性連接觸碰感應層400,舉例來說,觸碰感應層400可延伸至遮光層200上而電性連接遮光層200上的走線層500。具體來說,觸碰感應層400中的透光導電圖案係電性連接走線層500中的金屬導線。 The wiring layer 500 is electrically connected to the touch sensing layer 400. For example, the touch sensing layer 400 can be extended to the light shielding layer 200 to electrically connect the wiring layer 500 on the light shielding layer 200. Specifically, the light-transmissive conductive pattern in the touch sensing layer 400 is electrically connected to the metal wires in the wiring layer 500.

於部分實施方式中,透光蓋板100還可具有外表面120。外表面120與內表面110係相對的。外表面120可做為使用者觸控操作面。於部分實施方式中,還可在外表面120上設置防髒汙、防指紋、抗刮或抗眩等功能層。於部分實施方式中,內表面110及外表面120可為經過化學或物理強化的表面,以提升對透光蓋板100下方的調色層300、遮光層 200、觸碰感應層400與走線層500的保護效果。 In some embodiments, the light transmissive cover 100 can also have an outer surface 120. The outer surface 120 is opposite the inner surface 110. The outer surface 120 can be used as a user touch operation surface. In some embodiments, a functional layer such as anti-stain, anti-fingerprint, anti-scratch or anti-glare may also be disposed on the outer surface 120. In some embodiments, the inner surface 110 and the outer surface 120 may be chemically or physically strengthened surfaces to enhance the toning layer 300 and the light shielding layer under the transparent cover plate 100. 200. The protection effect of the touch sensing layer 400 and the wiring layer 500.

第2圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖。如第2圖所示,本實施方式與前述實施方式之間的主要差異在於:調色層300a之一部分係位於觸碰感應層400與透光蓋板100之間。換句話說,調色層300a不僅位於遮光層200與透光蓋板100之間,還可進一步延伸至觸碰感應層400與透光蓋板100的內表面110之間。如此一來,第一區域111與第二區域112上均存在調色層300a,由於位於第二區域112的觸碰感應層400原本就是透明或基本透明的,所以調色層300a並不會對第二區域112的顏色產生太大影響,同時,位於第二區域112的顯示面板S在非使用狀態呈現藍色,調色層300a可調整透光蓋板100之第一區域111的顏色,例如使得黑色的遮光層200在第一區域111呈現趨近於與第二區域112相同的藍色,故調色層300a可進一步地助於降低第一區域111與第二區域112的顏色差異。 2 is a cross-sectional view of a touch display device according to another embodiment of the present invention. As shown in FIG. 2, the main difference between the present embodiment and the foregoing embodiment is that one portion of the toning layer 300a is located between the touch sensing layer 400 and the transparent cover 100. In other words, the toning layer 300a is not only located between the light shielding layer 200 and the transparent cover 100, but may further extend between the touch sensing layer 400 and the inner surface 110 of the transparent cover 100. As a result, the first layer 111 and the second region 112 each have a toning layer 300a. Since the touch sensing layer 400 located in the second region 112 is originally transparent or substantially transparent, the toning layer 300a does not The color of the second region 112 has a large influence, and at the same time, the display panel S located in the second region 112 is blue in the non-use state, and the toning layer 300a can adjust the color of the first region 111 of the transparent cover 100, for example The black light-shielding layer 200 is caused to appear in the first region 111 to be the same blue color as the second region 112, so the toner layer 300a can further help to reduce the color difference between the first region 111 and the second region 112.

具體來說,於部分實施方式中,調色層300a之第一表面330a可部分地位於第二區域112之內表面110上,而第二表面340a可部分地位於觸碰感應層400上,以利部分調色層300a夾抵於透光蓋板100與觸碰感應層400之間。 Specifically, in some embodiments, the first surface 330a of the toning layer 300a may be partially located on the inner surface 110 of the second region 112, and the second surface 340a may be partially located on the touch sensing layer 400 to The partial toning layer 300a is sandwiched between the transparent cover 100 and the touch sensing layer 400.

第3圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖。如第3圖所示,本實施方式與第2圖所示實施方式之間的主要差異在於:觸控顯示裝置還可包含折射率調整層600。折射率調整層600係位於觸碰感應層400與 調色層300a之間。折射率調整層600、調色層300a與觸碰感應層400在透光蓋板100之內表面110上的正投影係重疊的。具體來說,調色層300a、折射率調整層600與觸碰感應層400係依序堆疊於第二區域112的內表面110上。觸碰感應層400之材料的折射率介於折射率調整層600之材料折射率與調色層300a之材料折射率之間。如此一來,使得調色層300a、折射率調整層600、觸碰感應層400三層的折射率依序形成為高-低-高的關係,調色層300a與折射率調整層600的疊構形成一折射率匹配層。當外界光線由透光蓋板100一側入射至觸碰感應層400,調色層300a與折射率調整層600構成的折射率匹配層會使得各層間反射光線產生干涉相消作用,從而觸碰感應層400中有透光導電圖案的區域和無透光導電圖案的區域反射率趨於一致,降低透光導電圖案的可見度,進而改善觸控顯示裝置的視覺效果。如此,調色層300a在第一區域111的部份可調整遮光層200的顏色,使得第一區域111、第二區域112之顏色趨於一致,同時調色層300a在第二區域112的部份與折射率調整層600構成折射率匹配層,降低觸碰感應層400中透光導電圖案的可見度。 3 is a cross-sectional view of a touch display device according to another embodiment of the present invention. As shown in FIG. 3, the main difference between the present embodiment and the embodiment shown in FIG. 2 is that the touch display device may further include a refractive index adjusting layer 600. The refractive index adjustment layer 600 is located on the touch sensing layer 400 Between the toning layers 300a. The refractive index adjusting layer 600, the toning layer 300a and the touch sensing layer 400 overlap on the orthographic projection on the inner surface 110 of the transparent cover 100. Specifically, the toning layer 300a, the refractive index adjusting layer 600, and the touch sensing layer 400 are sequentially stacked on the inner surface 110 of the second region 112. The refractive index of the material of the touch sensing layer 400 is between the refractive index of the material of the refractive index adjusting layer 600 and the refractive index of the material of the toning layer 300a. In this way, the refractive indices of the three layers of the toning layer 300a, the refractive index adjusting layer 600, and the touch sensing layer 400 are sequentially formed in a high-low-high relationship, and the stack of the toning layer 300a and the refractive index adjusting layer 600 is formed. Forming an index matching layer. When external light is incident on the touch sensing layer 400 from the side of the transparent cover 100, the refractive index matching layer formed by the toning layer 300a and the refractive index adjusting layer 600 causes an interference cancellation effect between the reflected light of each layer, thereby touching The area of the sensing layer 400 having the light-transmitting conductive pattern and the area of the light-free conductive pattern tend to be uniform, reducing the visibility of the light-transmitting conductive pattern, thereby improving the visual effect of the touch display device. Thus, the color of the light-shielding layer 300a in the portion of the first region 111 can adjust the color of the light-shielding layer 200 such that the colors of the first region 111 and the second region 112 tend to be uniform while the toner layer 300a is at the portion of the second region 112. The portion and the refractive index adjusting layer 600 constitute an index matching layer, which reduces the visibility of the light-transmitting conductive pattern in the touch sensing layer 400.

於部分實施方式中,折射率調整層600可為二氧化矽層。於部分實施方式中,當調色層300a為鈮氧化物層(如五氧化二鈮(Nb2O5)),且折射率調整層600為二氧化矽層時,折射率調整層600的厚度介於25奈米至45奈米之間,調色層300a的厚度介於5奈米至15奈米之間,可進一步 地提升折射率匹配的效果,亦即,可進一步地降低觸碰感應層400中有透光導電圖案的區域和無透光導電圖案的區域反射率差異,進而改善觸控顯示裝置的視覺效果。 In some embodiments, the refractive index adjustment layer 600 can be a hafnium oxide layer. In some embodiments, when the toning layer 300a is a tantalum oxide layer (such as niobium pentoxide (Nb 2 O 5 )), and the refractive index adjusting layer 600 is a ceria layer, the thickness of the refractive index adjusting layer 600 Between 25 nm and 45 nm, the thickness of the toning layer 300a is between 5 nm and 15 nm, which further enhances the effect of index matching, that is, the touch sensing can be further reduced. The layer 400 has a difference in reflectance between the region of the light-transmitting conductive pattern and the region of the light-free conductive pattern, thereby improving the visual effect of the touch display device.

於部分實施方式中,折射率調整層600係夾抵於調色層300a與觸碰感應層400之間。進一步來說,折射率調整層600可包含相對的表面610與620。表面610比表面620更靠近調色層300a,且於部分實施方式中,表面610可接觸調色層300a。表面620比表面610更靠近觸碰感應層400,且於部分實施方式中,表面620可接觸觸碰感應層400,藉此,折射率調整層600可夾抵於調色層300a與觸碰感應層400之間。 In some embodiments, the refractive index adjusting layer 600 is sandwiched between the toner layer 300a and the touch sensing layer 400. Further, the index adjustment layer 600 can include opposing surfaces 610 and 620. Surface 610 is closer to toning layer 300a than surface 620, and in some embodiments, surface 610 can contact toning layer 300a. The surface 620 is closer to the touch sensing layer 400 than the surface 610. In some embodiments, the surface 620 can contact the touch sensing layer 400, whereby the refractive index adjusting layer 600 can be sandwiched between the toning layer 300a and the touch sensing. Between layers 400.

於部分實施方式中,可先在透光蓋板100的內表面110上整面性地形成調色層300a,接著,可在調色層300a的周邊區域形成遮光層200,接著,再於調色層300a對應第二區域112的區域形成折射率調整層600。折射率調整層600的例示性形成方法可為利用蒸鍍或濺鍍等沈積製程將折射率調整層600的材料沈積於調色層300a上。調色層300a與遮光層200的例示性形成方法如第1圖所對應的實施方式所載,故不重複敘述。 In some embodiments, the toner layer 300a may be formed on the inner surface 110 of the transparent cover 100 first. Then, the light shielding layer 200 may be formed in the peripheral region of the toner layer 300a, and then, The color layer 300a forms a refractive index adjustment layer 600 corresponding to the region of the second region 112. An exemplary formation method of the refractive index adjustment layer 600 may be to deposit a material of the refractive index adjustment layer 600 on the toner layer 300a by a deposition process such as evaporation or sputtering. The exemplary formation method of the toner layer 300a and the light shielding layer 200 is as described in the embodiment corresponding to Fig. 1, and therefore the description thereof will not be repeated.

第4圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖。如第4圖所示,本實施方式與第3圖所示實施方式之間的主要差異在於:折射率調整層600a可進一步地延伸至透光蓋板100之第一區域111,使得位於第一區域111的部分折射率調整層600a與部分調色層300a係分別 位於遮光層200的相對兩側。更具體地說,折射率調整層600a之一部分與調色層300a之一部分在透光蓋板100之內表面110上的正投影係重疊於第一區域111。此外,即使部分折射率調整層600a係位於第一區域111,但此部分之折射率調整層600a並不位於遮光層200與調色層300a之間,以免調色層300a與折射率調整層600a在第一區域111的部份也形成折射率匹配層的效果,對遮光層200的顏色產生影響。換句話說,即使部分折射率調整層600a係位於第一區域111,但使用者觀看第一區域111時,其所觀看到的顏色仍為調色層300a與遮光層200的整體顏色。 4 is a cross-sectional view of a touch display device according to another embodiment of the present invention. As shown in FIG. 4, the main difference between the embodiment and the embodiment shown in FIG. 3 is that the refractive index adjusting layer 600a can further extend to the first region 111 of the transparent cover 100 so that it is located at the first The partial refractive index adjusting layer 600a of the region 111 and the partial toning layer 300a are respectively Located on opposite sides of the light shielding layer 200. More specifically, an orthographic projection of a portion of the refractive index adjusting layer 600a and a portion of the toner layer 300a on the inner surface 110 of the transparent cover 100 overlaps the first region 111. In addition, even if the partial refractive index adjusting layer 600a is located in the first region 111, the refractive index adjusting layer 600a of this portion is not located between the light shielding layer 200 and the toning layer 300a, so as to prevent the toning layer 300a and the refractive index adjusting layer 600a. The effect of the refractive index matching layer is also formed in the portion of the first region 111, which affects the color of the light shielding layer 200. In other words, even if the partial refractive index adjusting layer 600a is located in the first region 111, when the user views the first region 111, the color observed by the user is still the overall color of the toning layer 300a and the light shielding layer 200.

於部分實施方式中,可先在透光蓋板100的內表面110上整面性地形成調色層300a,接著,可在調色層300a的周邊區域形成遮光層200,接著,再於調色層300a與遮光層200上整面性地形成折射率調整層600a。折射率調整層600a、調色層300a與遮光層200的例示性形成方法如第1圖及第3圖所對應的實施方式所載,故不重複敘述。 In some embodiments, the toner layer 300a may be formed on the inner surface 110 of the transparent cover 100 first. Then, the light shielding layer 200 may be formed in the peripheral region of the toner layer 300a, and then, The color layer 300a and the light shielding layer 200 have a refractive index adjusting layer 600a formed over the entire surface. The exemplary formation methods of the refractive index adjustment layer 600a, the toning layer 300a, and the light shielding layer 200 are as described in the first embodiment and the third embodiment, and therefore the description thereof will not be repeated.

第5圖繪示依據本發明另一實施方式之觸控顯示裝置的剖面圖。如第5圖所示,本實施方式與第4圖所示實施方式之間的主要差異在於:本實施方式之觸控顯示裝置還可包含附著提升層700。附著提升層700係位於遮光層200與調色層300a之間。附著提升層700之材料與遮光層200之材料的附著力,大於調色層300a之材料與遮光層200之材料的附著力。因此,即使於部分實施方式中,調色層300a難以與遮光層200附著,仍可藉由附著提升層700來固 定調色層300a與遮光層200的相對位置,以防止調色層300a與遮光層200分離。舉例來說,於部分實施方式中,附著提升層700可為透明的二氧化矽層,而調色層300a可為鈮氧化物層,通常如果鈮氧化物層直接接觸遮光層200如光阻或油墨,在被UV光照射之後,鈮氧化物層與遮光層200之間的附著力趨近於零。藉由在調色層300a與遮光層200之間增加附著提升層700,可避免調色層300a自與遮光層200剝離。 FIG. 5 is a cross-sectional view of a touch display device according to another embodiment of the present invention. As shown in FIG. 5 , the main difference between the embodiment and the embodiment shown in FIG. 4 is that the touch display device of the present embodiment may further include an adhesion promoting layer 700 . The adhesion promoting layer 700 is located between the light shielding layer 200 and the toning layer 300a. The adhesion of the material of the adhesion promoting layer 700 to the material of the light shielding layer 200 is greater than the adhesion of the material of the toning layer 300a to the material of the light shielding layer 200. Therefore, even in some embodiments, the toning layer 300a is difficult to adhere to the light shielding layer 200, and can be solidified by attaching the lifting layer 700. The relative position of the toner layer 300a and the light shielding layer 200 is fixed to prevent the toning layer 300a from being separated from the light shielding layer 200. For example, in some embodiments, the adhesion promoting layer 700 may be a transparent ceria layer, and the toning layer 300a may be a tantalum oxide layer, generally if the tantalum oxide layer directly contacts the light shielding layer 200 such as photoresist or The ink, after being irradiated with UV light, has an adhesion between the tantalum oxide layer and the light shielding layer 200 approaching zero. By adding the adhesion promoting layer 700 between the toning layer 300a and the light shielding layer 200, the toning layer 300a can be prevented from being peeled off from the light shielding layer 200.

另外,附著提升層700為透明材料,其厚度需小於10奈米,以免附著提升層700影響第一區域111的顏色。換句話說,即使附著提升層700係位於遮光層200與透光蓋板100之間,但使用者觀看第一區域111時,其所觀看到的顏色實質上仍為調色層300a與遮光層200的整體顏色。 In addition, the adhesion promoting layer 700 is a transparent material whose thickness needs to be less than 10 nm so as to prevent the adhesion lifting layer 700 from affecting the color of the first region 111. In other words, even if the adhesion promoting layer 700 is located between the light shielding layer 200 and the transparent cover 100, when the user views the first area 111, the color viewed by the user is substantially the toning layer 300a and the light shielding layer. The overall color of 200.

於部分實施方式中,如第5圖所示,附著提升層700更延伸至調色層300a與折射率調整層600a之間,附著提升層700之材料與折射率調整層600a之材料相同,但附著提升層700的厚度小於折射率調整層600a的厚度。例如附著提升層700與折射率調整層600a均為二氧化矽,調色層300a為五氧化二鈮(Nb2O5)或氮化矽(Si3N4),附著提升層700的厚度小於20奈米,例如小於或等於10奈米,折射率調整層600a的厚度介於10奈米至35奈米之間,或20奈米至30奈米之間。如此,附著提升層700對應第一區域111的部份用於增加遮光層200與調色層300a之間的附著力,且在該第一區域111不會與調色層300a構成折射率匹配層的效果; 同時附著提升層700對應第二區域112的部份,結合折射率調整層600a,與調色層300a構成折射率匹配層,降低觸碰感應層400中有透光導電圖案的區域和無透光導電圖案的區域反射率差異,改善觸控顯示裝置的視覺效果。 In some embodiments, as shown in FIG. 5, the adhesion promoting layer 700 extends further between the toning layer 300a and the refractive index adjusting layer 600a, and the material of the adhesion promoting layer 700 is the same as that of the refractive index adjusting layer 600a, but The thickness of the adhesion promoting layer 700 is smaller than the thickness of the refractive index adjusting layer 600a. For example, the adhesion promoting layer 700 and the refractive index adjusting layer 600a are both cerium oxide, and the toning layer 300a is bismuth pentoxide (Nb 2 O 5 ) or tantalum nitride (Si 3 N 4 ), and the thickness of the adhesion promoting layer 700 is less than 20 nm, for example less than or equal to 10 nm, the thickness of the refractive index adjusting layer 600a is between 10 nm and 35 nm, or between 20 nm and 30 nm. As such, the portion of the adhesion promoting layer 700 corresponding to the first region 111 serves to increase the adhesion between the light shielding layer 200 and the toning layer 300a, and the first region 111 does not form an index matching layer with the toning layer 300a. The effect of the adhesion promoting layer 700 corresponding to the second region 112, combined with the refractive index adjusting layer 600a, and the toning layer 300a constitute an index matching layer, reducing the area of the touch sensing layer 400 having the light-transmitting conductive pattern and The difference in reflectance of the area of the light-free conductive pattern improves the visual effect of the touch display device.

於部分實施方式中,可先在透光蓋板100的內表面110上整面性地形成調色層300a,接著,再於調色層300a上整面性地形成附著提升層700,接著,再於附著提升層700之周邊區域上形成遮光層200。附著提升層700的例示性形成方法可為利用蒸鍍或濺鍍等沈積製程,將附著提升層700的材料沈積於調色層300a上。於部分實施方式中,附著提升層700亦可利用原子層沈積(atomic layer deposition;ALD)形成,以利形成足夠薄的附著提升層700。 In some embodiments, the toner layer 300a may be formed over the entire surface 110 of the transparent cover 100, and then the adhesion promoting layer 700 may be formed over the entire surface of the toner layer 300a. Then, The light shielding layer 200 is formed on the peripheral region of the adhesion promoting layer 700. An exemplary method of forming the adhesion promoting layer 700 may be to deposit a material of the adhesion promoting layer 700 on the toning layer 300a by a deposition process such as evaporation or sputtering. In some embodiments, the adhesion promoting layer 700 may also be formed by atomic layer deposition (ALD) to form a sufficiently thin adhesion promoting layer 700.

雖然本發明已以實施方式揭露如上,然其並非用以限定本發明,任何熟習此技藝者,在不脫離本發明之精神和範圍內,當可作各種之更動與潤飾,因此本發明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 disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧透光蓋板 100‧‧‧Transparent cover

110‧‧‧內表面 110‧‧‧ inner surface

111‧‧‧第一區域 111‧‧‧First area

112‧‧‧第二區域 112‧‧‧Second area

120‧‧‧外表面 120‧‧‧ outer surface

200‧‧‧遮光層 200‧‧‧ shading layer

210‧‧‧內邊緣 210‧‧‧ inner edge

220‧‧‧外邊緣 220‧‧‧ outer edge

300‧‧‧調色層 300‧‧‧Color layer

310‧‧‧內邊緣 310‧‧‧ inner edge

320‧‧‧外邊緣 320‧‧‧ outer edge

330‧‧‧第一表面 330‧‧‧ first surface

340‧‧‧第二表面 340‧‧‧ second surface

400‧‧‧觸碰感應層 400‧‧‧Touch touch layer

500‧‧‧走線層 500‧‧‧Line layer

S‧‧‧顯示面板 S‧‧‧ display panel

Claims (16)

一種觸控顯示裝置,包含:一透光蓋板,具有一內表面,且區分有一第一區域以及一第二區域;一遮光層,設置於該內表面,且位於該第一區域不位於該第二區域;以及一調色層,位於該遮光層與該透光蓋板之間,使得在該觸控顯示裝置處於非使用狀態時,該第一區域與該第二區域之間的色差小於等於3。 A touch display device includes: a transparent cover having an inner surface and having a first area and a second area; a light shielding layer disposed on the inner surface, and the first area is not located a second region; and a toning layer between the light shielding layer and the transparent cover plate, such that when the touch display device is in a non-use state, a color difference between the first region and the second region is less than Equal to 3. 如請求項1所述之觸控顯示裝置,其中該調色層的厚度為介於5奈米至15奈米之間,該調色層為鈮氧化物、矽氮化物或兩者。 The touch display device of claim 1, wherein the toning layer has a thickness of between 5 nm and 15 nm, and the toning layer is tantalum oxide, niobium nitride or both. 如請求項1所述之觸控顯示裝置,更包括一觸碰感應層,設置於該內表面,且至少位於該第二區域,其中該調色層之一部分延伸至該觸碰感應層與該透光蓋板之間。 The touch display device of claim 1, further comprising a touch sensing layer disposed on the inner surface and located at least in the second region, wherein a portion of the toning layer extends to the touch sensing layer and the Between the transparent cover plates. 如請求項3所述之觸控顯示裝置,更包含一折射率調整層,至少位於該觸碰感應層與該透光蓋板之間,該折射率調整層、該調色層之該部分與該觸碰感應層在該透光蓋板之該內表面上的正投影係重疊的,且該觸碰感應層之材料的折射率介於該折射率調整層之材料之折射率與該調色層之材料的折射率之間。 The touch display device of claim 3, further comprising a refractive index adjusting layer at least between the touch sensing layer and the transparent cover, the refractive index adjusting layer, the portion of the toning layer and The orthographic projection of the touch sensing layer on the inner surface of the transparent cover overlaps, and the refractive index of the material of the touch sensing layer is between the refractive index of the material of the refractive index adjusting layer and the color The refractive index of the material of the layer. 如請求項4所述之觸控顯示裝置,其中該折射率調整層的厚度介於25奈米至45奈米之間,該調色層的厚度介於5奈米至15奈米之間。 The touch display device of claim 4, wherein the refractive index adjusting layer has a thickness of between 25 nm and 45 nm, and the toning layer has a thickness of between 5 nm and 15 nm. 如請求項4所述之觸控顯示裝置,其中該折射率調整層之一部分與該調色層之一部分在該透光蓋板之該內表面上的正投影係重疊於該第一區域,且該折射率調整層之該部分與該調色層之該部分係被該遮光層所隔開。 The touch display device of claim 4, wherein a portion of the refractive index adjusting layer and an orthographic projection of a portion of the toning layer on the inner surface of the transparent cover overlap the first region, and The portion of the refractive index adjusting layer and the portion of the toner layer are separated by the light shielding layer. 如請求項1所述之觸控顯示裝置,更包含一附著提升層,位於該遮光層與該調色層之間,其中該附著提升層之材料與該遮光層之材料的附著力,大於該調色層之材料與該遮光層之材料的附著力。 The touch display device of claim 1, further comprising an adhesion promoting layer between the light shielding layer and the toning layer, wherein the adhesion of the material of the adhesion promoting layer to the material of the light shielding layer is greater than the The adhesion of the material of the toner layer to the material of the light shielding layer. 如請求項7所述之觸控顯示裝置,其中該附著提升層為一二氧化矽層,且該調色層為一鈮氧化物層。 The touch display device of claim 7, wherein the adhesion promoting layer is a hafnium oxide layer, and the toning layer is a tantalum oxide layer. 如請求項7或8所述之觸控顯示裝置,其中該附著提升層的厚度係小於10奈米。 The touch display device of claim 7 or 8, wherein the thickness of the adhesion promoting layer is less than 10 nm. 如請求項4所述之觸控顯示裝置,更包含一附著提升層,位於該遮光層與該調色層之間,其中該附著提升層之材料與該遮光層之材料的附著力,大於該調 色層之材料與該遮光層之材料的附著力。 The touch display device of claim 4, further comprising an adhesion promoting layer between the light shielding layer and the toning layer, wherein the adhesion of the material of the adhesion promoting layer to the material of the light shielding layer is greater than Tune The adhesion of the material of the color layer to the material of the light shielding layer. 如請求項10所述之觸控顯示裝置,其中該附著提升層更延伸至該調色層與該折射率調整層之間,該附著提升層材料與該折射率調整層材料相同,且該附著提升層的厚度小於該折射率調整層的厚度。 The touch display device of claim 10, wherein the adhesion promoting layer extends further between the toning layer and the refractive index adjusting layer, the adhesion promoting layer material is the same as the refractive index adjusting layer material, and the adhesion The thickness of the lift layer is less than the thickness of the index adjustment layer. 如請求項11所述之觸控顯示裝置,其中該附著提升層的厚度小於10奈米,且該折射率調整層的厚度介於10奈米至35奈米之間。 The touch display device of claim 11, wherein the adhesion promoting layer has a thickness of less than 10 nm, and the refractive index adjusting layer has a thickness of between 10 nm and 35 nm. 如請求項1所述之觸控顯示裝置,其中該遮光層與該調色層在該透光蓋板一側呈現之整體顏色的LAB色彩空間座標的b*值為負的,該遮光層之顏色的LAB色彩空間座標的b*值為正的。 The touch display device of claim 1, wherein the b* value of the LAB color space coordinates of the overall color of the light shielding layer and the toning layer on the side of the transparent cover layer is negative, and the light shielding layer is The b* value of the color LAB color space coordinates is positive. 如請求項1所述之觸控顯示裝置,其中該遮光層與該調色層在該透光蓋板一側呈現之整體顏色為藍色。 The touch display device of claim 1, wherein the light-shielding layer and the toning layer are colored blue on the side of the transparent cover. 如請求項1至8或10至14中任意一項所述之觸控顯示裝置,更包括一顯示面板,與該透光蓋板分別位於該調色層之相異兩側,且位於該第二區域,其中在該顯示面板處於關閉狀態時,該第一區域與該第二區域之間的色差介於0.7至2.5之間。 The touch display device of any one of claims 1 to 8 or 10 to 14 further comprising a display panel, wherein the transparent cover is located on opposite sides of the toning layer, and is located at the same And a second area, wherein when the display panel is in a closed state, a color difference between the first area and the second area is between 0.7 and 2.5. 如請求項1所述之觸控顯示裝置,其中該調色層與該遮光層之疊層的反射率低於該遮光層之反射率。 The touch display device of claim 1, wherein a reflectance of the layer of the toning layer and the light shielding layer is lower than a reflectance of the light shielding layer.
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