TW201120489A - Color filter and display panel using the same and display device using the same - Google Patents
Color filter and display panel using the same and display device using the same Download PDFInfo
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201120489 , · 六、發明說明: 【發明所屬之技術領域】 本發明是有關於一種彩色濾光基板及應用其之顯示 面板與顯示裝置’且特別是有關於一種不具黑色矩陣的 彩色濾光基板及應用其之顯示面板與顯示裝置。 【先前技術】 液晶顯示裝置包含背光模組(back 1 i ght modu 1 e)、 彩色濾光基板(color filter)及薄膜電晶體(Thin Film Transistor,TFT)矩陣基板。自背光模組射出的光線射 向薄膜電晶體矩陣基板及彩色濾光基板,以顯示出晝 面。一般而言’彩色濾光基板都會製作黑色矩陣(black matrix) ’以遮住未受到控制的光線,避免該未受到控制 的光線射出液晶顯示裝置而影響顯示品質。 然而’製作黑色矩陣需要一道光罩製程,相當耗費 製程時間及光罩成本。 、 此外’彩色濾光基板中濾光結構之間的黑色矩陣的 寬度已日漸縮減’依最新的製程,現已縮減到6_。此 一縮減尺寸值已小於TFT基板中對應之訊號線,例如是 貧料線(data line)。再者,由於薄膜電晶體矩陣基板 中的訊號線的位置對應至黑色矩陣,光線往往先被訊號 線遮住而無法到達黑色矩陣。 【發明内容】 根據本發明之彩色濾光基板及應用其之顯示面板與 201120489BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a color filter substrate and a display panel and display device using the same, and more particularly to a color filter substrate having no black matrix and The display panel and the display device are applied thereto. [Prior Art] A liquid crystal display device includes a backlight module (back 1 i ght modu 1 e), a color filter substrate, and a Thin Film Transistor (TFT) matrix substrate. The light emitted from the backlight module is directed to the thin film transistor matrix substrate and the color filter substrate to display the surface. In general, a 'color filter substrate will have a black matrix' to cover uncontrolled light, preventing the uncontrolled light from exiting the liquid crystal display device and affecting display quality. However, making a black matrix requires a mask process, which is quite time consuming and mask cost. Furthermore, the width of the black matrix between the filter structures in the color filter substrate has been decreasing. According to the latest process, it has been reduced to 6_. This reduced size value is already smaller than the corresponding signal line in the TFT substrate, such as a data line. Moreover, since the position of the signal line in the thin film transistor matrix substrate corresponds to the black matrix, the light is often blocked by the signal line and cannot reach the black matrix. SUMMARY OF THE INVENTION A color filter substrate and a display panel using the same according to the present invention and 201120489
, ,TW4973PA 顯示裝置,彩色濾光基板不具有黑色矩陣,因此可節省 製作黑色矩陣製程時間及成本。 根據本發明之第一方面,提出一種彩色濾光基板。 彩色濾光基板鄰近一薄膜電晶體矩陣結構設置,薄膜電 晶體矩陣結構包括數條訊號線。一光線在接觸到彩色濾 光基板之前的光色為一第一光色。彩色遽光基板包括一 透光基板及數個第一濾光結構。透光基板具有一基板表 面。該些第一濾光結構設於基板表面,其用以濾出一預 • 定光色。該些第一濾光結構之其中二者間之一部位對應 於該些訊號線之一者。其中,從該部位經過後之該光線 的光色為一第二光色。 根據本發明之第二方面,提出一種顯示面板。顯示 面板包括一薄膜電晶體矩陣結構及一彩色濾光基板。薄 膜電晶體矩陣結構包括數條訊號線。彩色濾光基板鄰近 薄膜電晶體矩陣結構設置。一光線在接觸到彩色濾光基 板之前的光色為一第一光色。彩色濾光基板包括一透光 • 基板及數個第一濾光結構。透光基板具有一基板表面。 該些第一濾光結構設於基板表面,其用以濾出一預定光 色。該些第一濾光結構之其中二者間之一部位對應於該 些訊號線之一者。其中,從該部位經過後之該光線的光 色為一第二光色。 根據本發明之第三方面,提出一種顯示裝置。顯示 裝置包括一顯示面板及一背光模組。顯示面板包括一薄 膜電晶體矩陣結構及一彩色濾光基板。薄膜電晶體矩陣 結構包括數條訊號線。彩色濾光基板鄰近薄膜電晶體矩 201120489 1 w^y/jFA · ^ 陣結構設置。一光線在接觸到彩色濾光基板之前的光色 為一第一光色。彩色濾光基板包括一透光基板及數個第 一滤·光結構。透光基板具有一基板表面。該些第一濾光 結構設於基板表面,其用以濾出一預定光色。該些第一 濾光結構之其中二者間之一部位對應於該些訊號線之一 者。其中,從該部位經過後之該光線的光色為一第二光 色。 為讓本發明之上述内容能更明顯易懂,下文特舉較 佳實施例,並配合所附圖式,作詳細說明如下: 【實施方式】 以下係提出較佳實施例作為本發明之說明,然而實 施例所提出的内容,僅為舉例說明之用,而繪製之圖式 係為配合說明,並非作為限縮本發明保護範圍之用。再 者,實施例之圖示亦省略不必要之元件,以利清楚顯示 本發明之技術特點。 第一實施例 請參照第1圖,其繪示依照本發明第一實施例之顯 示裝置的部份示意圖。顯示裝置100包括一背光模組102 及一顯示面板104。背光模組102鄰近顯示面板104之一 側設置並用以提供光線L1穿透通過顯示面板104以進行 晝面之顯示。 請參照第2圖,其缘示第1圖之顯示面板的示意圖。 顯示面板104包括一薄膜電晶體矩陣結構106及一彩色 201120489, , TW4973PA display device, color filter substrate does not have a black matrix, so it can save time and cost of making black matrix process. According to a first aspect of the invention, a color filter substrate is provided. The color filter substrate is disposed adjacent to a thin film transistor matrix structure, and the thin film transistor matrix structure includes a plurality of signal lines. The light color of a light before it contacts the color filter substrate is a first light color. The color light-emitting substrate comprises a light-transmissive substrate and a plurality of first filter structures. The light transmissive substrate has a substrate surface. The first filter structures are disposed on the surface of the substrate to filter out a predetermined color. One of the first filter structures corresponds to one of the signal lines. Wherein, the light color of the light after passing through the portion is a second light color. According to a second aspect of the invention, a display panel is provided. The display panel includes a thin film transistor matrix structure and a color filter substrate. The thin film transistor matrix structure includes several signal lines. The color filter substrate is disposed adjacent to the thin film transistor matrix structure. The light color of a light before it contacts the color filter substrate is a first light color. The color filter substrate comprises a light transmissive substrate and a plurality of first filter structures. The light transmissive substrate has a substrate surface. The first filter structures are disposed on a surface of the substrate for filtering a predetermined color. One of the first filter structures corresponds to one of the signal lines. Wherein, the light color of the light after passing through the portion is a second light color. According to a third aspect of the invention, a display device is provided. The display device includes a display panel and a backlight module. The display panel includes a thin film transistor matrix structure and a color filter substrate. The thin film transistor matrix structure includes several signal lines. The color filter substrate is adjacent to the film transistor moment 201120489 1 w^y/jFA · ^ array structure setting. The light color of a light before it contacts the color filter substrate is a first light color. The color filter substrate comprises a light transmissive substrate and a plurality of first filter/light structures. The light transmissive substrate has a substrate surface. The first filter structures are disposed on a surface of the substrate for filtering out a predetermined color of light. One of the first filter structures corresponds to one of the signal lines. The light color of the light after passing through the portion is a second light color. In order to make the above description of the present invention more obvious, the following detailed description of the preferred embodiments of the present invention will be described in detail as follows: [Embodiment] The following is a description of the preferred embodiments. However, the embodiments are presented for illustrative purposes only, and the drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Further, the illustration of the embodiments also omits unnecessary elements to clearly show the technical features of the present invention. First Embodiment Referring to Figure 1, there is shown a partial schematic view of a display device in accordance with a first embodiment of the present invention. The display device 100 includes a backlight module 102 and a display panel 104. The backlight module 102 is disposed adjacent to one side of the display panel 104 and is configured to provide light L1 to penetrate through the display panel 104 for display of the facet. Please refer to FIG. 2 , which is a schematic view of the display panel of FIG. 1 . The display panel 104 includes a thin film transistor matrix structure 106 and a color 201120489
,TW4973PA 濾光基板108。薄膜電晶體矩陣結構l〇6包括一透光基板 120、數個晝素電極118及數條訊號線11〇(1)、11〇(2) 及110(3),例如是資料線(Data line)。 如第2圖所示,彩色濾光基板1 〇8鄰近薄膜電晶體 矩陣結構106設置並包括一透光基板112及數個第一濾 光結構 114(1)、114(2)、114(3)及 114(4)。第一濾光結 構的位置可對應於晝素電極118。其中,該些第一濾光結 構114(1)、114(2)、114(3)及114(4)中相鄰二者係彼此 連接’且第一濾光結構其中二者之間的部位對應於訊號 線的位置。舉例來說’紅色濾光結構114(1)與藍色濾光 結構114(3)之間的部位122對應於訊號線11〇(1)的位 置’紅色濾光結構114(1)與綠色濾光結構114(2)之間的 部位124對應於訊號線的位置,綠色濾光結構 114(2)與藍色濾光結構丨丨4(3)之間的部位126對應於訊 號線110(2)的位置。 φ 如第2圖所示’透光基板112具有一基板表面116, 基板表面116面對於薄獏電晶體矩陣結構1〇6。該些第一 渡光結構114(1)、114(2)、114(3)及114(4)形成於基板 表面 116’ 第一濾光結構 ιΐ4(ι)、ii4(2)、l 14(3)及 114(4) 可濾出一預定光色。例如,紅色濾光結構114(ι)用以讓 光線L1在通過後呈紅色、綠色濾光結構114(2)用以讓光 線L1在通過後呈綠色’而藍色濾光結構114(3)用以讓光 線L1在通過後呈藍色。特別一提的是,相鄰之紅色濾光 結構114(1)與綠色濾光結構114(2)之間設置有藍色濾光 結構114(4),以取代習知的黑色矩陣,亦即,本實施例 201120489 之彩色濾光基板108不具有黑色矩陣。 由於本實施例之彩色濾光基板在對應於訊號線 110(1)、110(2)及110(3)的部位以藍色濾光結構114(4) 取代習知的黑色矩陣。故,從該些部位122、124及126 經過的光線L2的光色呈一第二光色,即藍色。 本實施例之顯示面板104係以穿透型的顯示面板為 例作說明,然此非用以限制本實施例,其它實施態樣中 的顯示面板亦可為半穿反型的顯示面板(jran ive Liquid Display Panel)。在採用半穿反型之顯示面板的 實施態樣中,來自於背光模組1〇2的部份的背光被薄膜 電晶體矩陣結構上反射區的反射電極(未繪示)遮住。 故’僅有少量背光會到達彩色濾光基板1〇8中對應於訊 號線的部位122、124及126。本實施例中取代黑色矩陣 的彩色濾光結構足以遮蔽此些少量的背光,在此情況 下’具有第二光色的光線12影響顯示品質係有限,甚至 不會影響顯示品質。 雖然本實施例之彩色濾光基板108中對應於訊號線 110(1)、110(2)及110(3)的第一濾光結構114(4)以藍色 濾光結構為例作說明,然第一濾光結構114(4)亦可為紅 色濾光結構、綠色濾光結構或其它光色的濾光結構,並 不受本貫施例所限制。 此外’請參照第3圖(未繪示第一濾光結構),其繪 示第2圖中往方向VI觀看到之彩色濾光基板的示意圖。 為了避免圖示過於複雜,第3圖未繪示第一濾光結構 114(1) 、 114(2) 、 114(3)及 114(4)。 201120489, TW4973PA filter substrate 108. The thin film transistor matrix structure 16 includes a transparent substrate 120, a plurality of halogen electrodes 118, and a plurality of signal lines 11〇(1), 11〇(2) and 110(3), for example, a data line (Data line) ). As shown in FIG. 2, the color filter substrate 1 〇 8 is disposed adjacent to the thin film transistor matrix structure 106 and includes a transparent substrate 112 and a plurality of first filter structures 114 (1), 114 (2), 114 (3). ) and 114 (4). The position of the first filter structure may correspond to the halogen electrode 118. Wherein the adjacent ones of the first filter structures 114(1), 114(2), 114(3) and 114(4) are connected to each other' and the first filter structure is between the two Corresponds to the location of the signal line. For example, the portion 122 between the red filter structure 114(1) and the blue filter structure 114(3) corresponds to the position of the signal line 11〇(1) 'red filter structure 114(1) and green filter The portion 124 between the light structures 114(2) corresponds to the position of the signal line, and the portion 126 between the green filter structure 114(2) and the blue filter structure 丨丨4(3) corresponds to the signal line 110 (2) )s position. φ As shown in Fig. 2, the light-transmitting substrate 112 has a substrate surface 116 facing the thin germanium crystal matrix structure 1〇6. The first light-emitting structures 114(1), 114(2), 114(3) and 114(4) are formed on the substrate surface 116'. The first filter structures ιΐ4(ι), ii4(2), 14( 3) and 114(4) can filter out a predetermined light color. For example, the red filter structure 114(ι) is used to allow the light L1 to pass red afterwards, and the green filter structure 114(2) to allow the light L1 to be green after passing through the blue filter structure 114(3) Used to make the light L1 blue after passing. In particular, a blue filter structure 114 ( 4 ) is disposed between the adjacent red filter structure 114 ( 1 ) and the green filter structure 114 ( 2 ) to replace the conventional black matrix, that is, The color filter substrate 108 of the embodiment 201120489 does not have a black matrix. Since the color filter substrate of the present embodiment replaces the conventional black matrix with the blue filter structure 114(4) at the portions corresponding to the signal lines 110(1), 110(2) and 110(3). Therefore, the light color of the light L2 passing through the portions 122, 124, and 126 is a second light color, that is, blue. The display panel 104 of the present embodiment is exemplified by a transmissive display panel. However, the display panel of the other embodiments may not be limited to the embodiment. The display panel of other embodiments may also be a transflective display panel (jran). Ive Liquid Display Panel). In the embodiment in which the transflective display panel is used, the backlight from the portion of the backlight module 1〇2 is covered by the reflective electrode (not shown) of the reflective region on the thin film transistor matrix structure. Therefore, only a small amount of backlight reaches the portions 122, 124, and 126 of the color filter substrate 1 to correspond to the signal lines. The color filter structure in place of the black matrix in this embodiment is sufficient to shield such a small amount of backlight, in which case the light 12 having the second light color has a limited display quality, and does not affect the display quality. The first filter structure 114 ( 4 ) corresponding to the signal lines 110 ( 1 ), 110 ( 2 ), and 110 ( 3 ) in the color filter substrate 108 of the present embodiment is exemplified by a blue filter structure. However, the first filter structure 114 (4) may also be a red filter structure, a green filter structure or other light color filter structures, and is not limited by the present embodiment. Further, please refer to Fig. 3 (the first filter structure is not shown), which is a schematic view of the color filter substrate viewed in the direction VI of Fig. 2. In order to avoid over-complicating the illustration, the first filter structures 114(1), 114(2), 114(3) and 114(4) are not shown in FIG. 201120489
.i W4y/jM 第3圖之彩色濾光基板108更包括數個第二濾光結 構第一濾、光結構128,例如是藍色遽光結構,其分 別叹於透光基板之轉角處13〇,以取代習知以金屬製成的 對位標記並可作為定位或組裝彩色濾光基板108之用。 、雖然本實施例之第二濾光結構128以藍色濾光結構 為例作β兄明’然於其它實施態樣中,第二遽光結構128 亦可為紅色濾光結構、綠色濾光結構或其它光色的遽光 結構,並不受本實施例所限制。 _。請參照第4圖(未!會示第一濾光結構),其繪示另一 實施,例之彩色遽光基板的上視圖。為了避免圖示過於複 雜,第4圖未繪示第一濾光結構114(1)、114(2)、114(3) 及 114(4)。 該另-實施例之彩色遽光基板! 3 4包括一第三滤光 結構132’例如是藍色濾光結構。第三濾光結構132設於 透光基板112的邊緣區域,以取代習知的黑色矩陣。第 三濾光結構132雖然非黑色矩陣,然仍具有遮住漏光, 避免漏光影響顯示品質的作用。並且,透光基板112的 邊緣區域並非顯示區域。因此若有光線從該&緣區域射 出,影響顯示裝置100的顯示品質係有限,甚至是不會 影響顯示品質。 θ 此外,雖然本實施例之第三濾光結構132係以藍色 濾光結構為例作說明,然亦可為紅色濾光結構、綠色濾 光結構或其它光色的渡光結構’並不受本實施例所限制。 綜上所述,習知彩色濾光基板中的金屬對位標記、 習知彩色濾光基板中邊緣區域的黑色矩陣以及習J彩色 201120489Ii W4y/jM The color filter substrate 108 of FIG. 3 further includes a plurality of second filter structures, a first filter, and a light structure 128, for example, a blue neon structure, which respectively sighs at a corner of the transparent substrate. That is, in place of the conventional alignment mark made of metal and can be used for positioning or assembling the color filter substrate 108. Although the second filter structure 128 of the embodiment is exemplified by the blue filter structure, the second light-emitting structure 128 may also be a red filter structure or a green filter. Structures or other light-colored twilight structures are not limited by this embodiment. _. Please refer to Fig. 4 (not showing the first filter structure), which shows a top view of another embodiment, such as a color light-emitting substrate. In order to avoid the illustration being too complicated, the first filter structures 114(1), 114(2), 114(3) and 114(4) are not shown in Fig. 4. The color-lighting substrate of this alternative embodiment! 3 4 includes a third filter structure 132' such as a blue filter structure. The third filter structure 132 is disposed on an edge region of the transparent substrate 112 to replace the conventional black matrix. Although the third filter structure 132 has a non-black matrix, it still has the effect of shielding the light leakage and preventing the light leakage from affecting the display quality. Also, the edge region of the light-transmitting substrate 112 is not a display region. Therefore, if light is emitted from the & edge region, the display quality of the display device 100 is limited, and the display quality is not affected. θ In addition, although the third filter structure 132 of the present embodiment is exemplified by a blue filter structure, it may be a red filter structure, a green filter structure, or a light-emitting structure of other light colors. This is limited by this embodiment. In summary, the metal alignment mark in the conventional color filter substrate, the black matrix of the edge region in the conventional color filter substrate, and the J color 201120489
1 WHV/3PA A ^基板巾對應於_電㈣矩陣結構之訊號線的 矩陣’都能㈣色濾、光結構代替。此外,在—道彩色滤 先結構的製程中’可同時形成第-濾光結構114(1)、 114⑵、114(3)及U4⑷、第二濾光結構128及第三濾 先結構132:至少一者。如此’可大量節省製程時間及 成本亚可即省製作習知的黑色矩陣及習知的金屬對位 標記所需的光罩成本及製程時間。 苐二實施例 «月 > …第5圖,其繪示依照本發明第二實施例之彩 +色濾土基板示意圖。第二實施例之彩色濾光基板與 第-實施例之彩色渡光基板⑽不同之處在於,彩色滤 光基板2G8上對應於訊號線UG(1)、11G⑵及110(3)(繪 示於第2圖)的部位可不具任何結構。例如,紅色遽光 結構114(1)與綠色濾、光結構114⑵之間相距-距離D卜 亦即’紅色濾光結構114⑴與綠色濾光結構114⑵之間 具有間隙。*綠色濾光結構114⑵與藍色濾光結構114⑶ 之間相距距離D1,亦即,綠色濾光結構114(2)與藍色濾 光、、>。構114(3)之間具有間隙。其餘相同之處沿用相同標 號,在此不再贅述。 ' 由於本實施例之彩色濾光基板208中與訊號線 110(1)、110(2)及11〇⑶(緣示於第2圖)對應的部位 不具有任何結構,例如是不具黑色矩陣及彩色濾光結 構。故,從相鄰之紅色濾光結構114(1)與綠色濾光結構 114(2)之間經過後的光線L2的第二光色實質上等於經過 2011204891 WHV/3PA A ^ substrate towel corresponds to the matrix of the signal line of the _ electric (four) matrix structure can be replaced by (four) color filter and optical structure. In addition, the first filter structure 114(1), 114(2), 114(3) and U4(4), the second filter structure 128 and the third filter structure 132 may be simultaneously formed in the process of the color filter structure: at least One. Such a large savings in process time and cost can save the mask cost and process time required for the fabrication of conventional black matrices and conventional metal alignment marks. The second embodiment «月> ... Fig. 5 is a schematic view showing a color + color filter substrate according to a second embodiment of the present invention. The color filter substrate of the second embodiment is different from the color light-emitting substrate (10) of the first embodiment in that the color filter substrate 2G8 corresponds to the signal lines UG(1), 11G(2) and 110(3) (shown in The part of Fig. 2) may have no structure. For example, there is a gap between the red fluorescent structure 114(1) and the green filter, light structure 114(2) - the distance D, that is, the gap between the 'red filter structure 114(1) and the green filter structure 114(2). * The distance between the green filter structure 114(2) and the blue filter structure 114(3) is D1, that is, the green filter structure 114(2) and the blue filter, >. There is a gap between the structures 114(3). The same reference numerals are used throughout the rest, and will not be described here. The portion of the color filter substrate 208 of the present embodiment corresponding to the signal lines 110(1), 110(2), and 11〇(3) (shown in FIG. 2) does not have any structure, for example, does not have a black matrix and Color filter structure. Therefore, the second light color of the light L2 passing between the adjacent red filter structure 114(1) and the green filter structure 114(2) is substantially equal to 201120489.
1W4973PA 前之光線L1的第-光色。也就是說,光線[丨在通過相 鄰之該些第-濾、光結構之間的部位後,仍㈣原本的光 色。 進一步地說,第二實施例之彩色濾光基板2〇8不具 黑色矩陣’可節省製作黑色矩陣所需的光罩成本及製程 時間。 本發明上述實施例所揭露之彩色濾絲板及應用其 之顯示面板與顯示裝置,以彩色濾光結構取代習知的里 •色矩陣及習知的金屬對位標記。如此,在同一道彩色遽 光結構的製程中’可同時製作出取代習知的黑色矩陣及 取代習知的金屬對位標記的彩色濾光結構,可大幅節省 製程時間及成本。此外’也可節省製作黑色矩陣及習知 的金屬對位標記所需的光罩成本及製程時間。 ①上所述,雖然本發明已以較佳實施例揭露如上, 然其並非用以限定本發明。本發明所屬技術領域中具有 φ 通$知識者,在不脫離本發明之精神和範圍内,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。 【圖式簡單說明】 第1圖(未繪示第一濾光結構)繪示依照本發明第 一實施例之顯示裝置的部份示意圖。 第2圖繪示第1圖之顯示面板的示意圖。 第3圖(未繪示第一濾光結構)繪示第2圖中往方 向VI觀看到之彩色濾光基板的示意圖。 201120489 1 W4y/JPA ·. · 第4圖(未繪示第一濾光結構)繪示另一實施例之 彩色濾光基板的上視圖。 第5圖繪示依照本發明第二實施例之彩色濾光基板 示意圖。 【主要元件符號說明】 100 : 顯示裝置 102 : 背光模組 104 : 顯不面板 106 : 薄膜電晶體矩陣結構 108、 134、208 :彩色濾光基板 110(1)、110(2)、110(3):訊號線 112、120 :透光基板 114(1):紅色濾光結構 114(2):綠色濾光結構 114(3)、114(4):藍色濾光結構 116 :基板表面 118 .晝素電極 122、124、126 :部位 128 :第二濾光結構 130 =轉角處 132 :第三濾光結構 D1 :距離 LI、L2 :光線 VI :方向The first light color of the light L1 before the 1W4973PA. That is to say, the light [丨) is still (4) the original light color after passing through the adjacent portions of the first filter and the light structure. Further, the color filter substrate 2〇8 of the second embodiment does not have a black matrix' to save the mask cost and process time required to fabricate the black matrix. The color filter screen and the display panel and the display device using the same according to the above embodiments of the present invention replace the conventional color matrix and the conventional metal alignment mark with a color filter structure. In this way, in the process of the same color illuminating structure, a black matrix which replaces the conventional one and a color filter structure which replaces the conventional metal aligning mark can be simultaneously produced, which can greatly save the processing time and cost. In addition, the mask cost and process time required to make black matrices and conventional metal alignment marks can be saved. As described above, the present invention has been disclosed in the above preferred embodiments, and is not intended to limit the present invention. Those skilled in the art having the knowledge of the invention can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 (a first filter structure is not shown) shows a partial schematic view of a display device in accordance with a first embodiment of the present invention. FIG. 2 is a schematic view showing the display panel of FIG. 1. Fig. 3 (not showing the first filter structure) shows a schematic view of the color filter substrate viewed in the direction VI in Fig. 2. 201120489 1 W4y/JPA ·. Fig. 4 (the first filter structure is not shown) shows a top view of the color filter substrate of another embodiment. Fig. 5 is a view showing a color filter substrate according to a second embodiment of the present invention. [Main component symbol description] 100 : Display device 102 : Backlight module 104 : Display panel 106 : Thin film transistor matrix structure 108 , 134 , 208 : Color filter substrate 110 ( 1 ) , 110 ( 2 ) , 110 ( 3 ): signal lines 112, 120: transparent substrate 114 (1): red filter structure 114 (2): green filter structure 114 (3), 114 (4): blue filter structure 116: substrate surface 118. Alizarin electrodes 122, 124, 126: location 128: second filter structure 130 = corner 132: third filter structure D1: distance LI, L2: light VI: direction
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