TWI392916B - Liquid crystal display panel, manufacturing method thereof and liquid crystal display - Google Patents
Liquid crystal display panel, manufacturing method thereof and liquid crystal display Download PDFInfo
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本發明是有關於一種液晶顯示面板、其製造方法與液晶顯示裝置，且特別是有關於一種整合彩色濾光膜陣列與畫素陣列於同一個基板上的液晶顯示面板、其製造方法與液晶顯示裝置。The present invention relates to a liquid crystal display panel, a method of fabricating the same, and a liquid crystal display device, and more particularly to a liquid crystal display panel in which a color filter array and a pixel array are integrated on a same substrate, a method of manufacturing the same, and a liquid crystal display. Device.
液晶顯示裝置具有高畫質、體積小、重量輕、低電壓驅動、低消耗功率及應用範圍廣等優點，因此已成為新一代顯示裝置的主流。傳統的液晶顯示面板是由彩色濾光基板(Color Filter)、薄膜電晶體陣列基板(TFT Array Substrate)以及配置於此兩基板間的液晶層所構成。為了提昇面板的解析度與畫素的開口率，並且避免彩色濾光基板與薄膜電晶體陣列基板接合時的對位誤差，現今更提出了將彩色濾光膜直接整合於畫素陣列基板(Color Filter on Array,以下稱COA基板)上的技術。The liquid crystal display device has the advantages of high image quality, small size, light weight, low voltage driving, low power consumption, and wide application range, and thus has become the mainstream of the new generation display device. A conventional liquid crystal display panel is composed of a color filter substrate, a thin film transistor array substrate (TFT Array Substrate), and a liquid crystal layer disposed between the two substrates. In order to improve the resolution of the panel and the aperture ratio of the pixel, and to avoid the alignment error when the color filter substrate and the thin film transistor array substrate are bonded, it is now proposed to directly integrate the color filter film into the pixel array substrate (Color). Filter on Array, hereinafter referred to as the technology on the COA substrate.
將整合有畫素陣列以及彩色濾光膜之COA基板與另一對向基板組立，並於兩基板間填入液晶分子即可形成液晶顯示面板。為了維持兩基板之間的間隙，會先將間隙物(Photo spacer)形成於COA基板上。之後，再將COA基板與對向基板組立以形成液晶顯示面板。A liquid crystal display panel is formed by stacking a COA substrate in which a pixel array and a color filter film are integrated with another opposite substrate, and filling liquid crystal molecules between the substrates. In order to maintain the gap between the two substrates, a photo spacer is formed on the COA substrate. Thereafter, the COA substrate and the counter substrate are assembled to form a liquid crystal display panel.
但是，對向基板上沒有任何構件可作為對位的標記，使得COA基板與對向基板組立時常常發生對位偏移的情 形。一旦兩基板間具有錯移，會造成面板組立後機械加工製程的困難。因此，製作此類液晶顯示面板時可以在對向基板上以雷射或是其他加工方式形成一些定位標記。或是，在部份液晶顯示面板製程中，會在對向基板上形成網狀的黑矩陣，以同時提供遮光以及對位的作用。如此，COA基板與對向基板組立時則不容易發生對位偏移的情形。However, there is no component on the opposite substrate that can be used as a mark for the alignment, so that the alignment offset often occurs when the COA substrate and the opposite substrate are assembled. shape. Once there is a misalignment between the two substrates, it will cause difficulty in the mechanical processing of the panel assembly. Therefore, when such a liquid crystal display panel is fabricated, some positioning marks can be formed on the opposite substrate by laser or other processing. Or, in a part of the liquid crystal display panel process, a mesh black matrix is formed on the opposite substrate to simultaneously provide light shielding and alignment. As described above, when the COA substrate and the counter substrate are assembled, the alignment shift is less likely to occur.
然而，額外的加工以及黑矩陣的形成都會增加製程步驟，使液晶顯示面板的製作成本增加。此外，若對向基板上形成有黑矩陣，必須使COA基板與對向基板組立時的對位準確度提高(例如將對位誤差要求在10微米之下)，以避免不透光的黑矩陣遮光而影響液晶顯示面板的顯示開口率。所以，在對向基板上形成黑矩陣會造成液晶顯示面板的製程困難度增加，也使產能(throughput)受限，而無法量產。However, the additional processing and the formation of the black matrix increase the manufacturing steps, increasing the manufacturing cost of the liquid crystal display panel. In addition, if a black matrix is formed on the opposite substrate, it is necessary to improve the alignment accuracy when the COA substrate and the opposite substrate are assembled (for example, the alignment error is required to be 10 μm or less) to avoid the opaque black matrix. The shading affects the display aperture ratio of the liquid crystal display panel. Therefore, the formation of a black matrix on the opposite substrate causes an increase in the difficulty of the process of the liquid crystal display panel, and also limits the throughput, and cannot be mass-produced.
本發明是提供一種液晶顯示面板，以避免COA基板與對向基板之間對位不準而影響液晶顯示面板的品質。The invention provides a liquid crystal display panel to avoid the misalignment between the COA substrate and the opposite substrate and affect the quality of the liquid crystal display panel.
本發明另提供一種液晶顯示裝置，以解決COA基板與對向基板組立時對位不準而造成液晶顯示裝置製程良率不佳的問題。The present invention further provides a liquid crystal display device for solving the problem that the process yield of the liquid crystal display device is not good due to misalignment between the COA substrate and the opposite substrate.
本發明又提供一種液晶顯示面板的製造方法，以於較簡化的製程步驟中，解決COA基板與對向基板組立時對位不準的問題。The invention further provides a method for manufacturing a liquid crystal display panel, which solves the problem of misalignment when the COA substrate and the opposite substrate are assembled in a relatively simplified process step.
本發明提出一種液晶顯示面板，包括第一基板、第二基板以及液晶層。第一基板上具有一畫素陣列與一彩色濾光膜陣列。第二基板上具有多個間隙物。液晶層配置於第一基板與第二基板之間，其中間隙物用以維持第一基板與第二基板之間的晶穴間隙。The invention provides a liquid crystal display panel comprising a first substrate, a second substrate and a liquid crystal layer. The first substrate has a pixel array and a color filter array. The second substrate has a plurality of spacers thereon. The liquid crystal layer is disposed between the first substrate and the second substrate, wherein the spacer is used to maintain a cell gap between the first substrate and the second substrate.
本發明另提出一種液晶顯示裝置，包括背光模組以及液晶顯示面板。背光模組具有一出光面。液晶顯示面板配置於背光模組之出光面。此外，液晶顯示面板包括第一基板、第二基板以及液晶層。第一基板上具有一畫素陣列與一彩色濾光膜陣列。第二基板上具有多個間隙物。液晶層配置於第一基板與第二基板之間，其中間隙物用以維持第一基板與第二基板之間的晶穴間隙。The invention further provides a liquid crystal display device comprising a backlight module and a liquid crystal display panel. The backlight module has a light emitting surface. The liquid crystal display panel is disposed on the light emitting surface of the backlight module. Further, the liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate has a pixel array and a color filter array. The second substrate has a plurality of spacers thereon. The liquid crystal layer is disposed between the first substrate and the second substrate, wherein the spacer is used to maintain a cell gap between the first substrate and the second substrate.
在本發明之一實施例之液晶顯示面板以及液晶顯示裝置中，上述之第二基板上更具有多個定位標記。此外，定位標記之材料例如與間隙物之材料相同。另外，定位標記的位置例如是對應於第一基板的一非顯示區。In the liquid crystal display panel and the liquid crystal display device according to an embodiment of the present invention, the second substrate further includes a plurality of positioning marks. Further, the material of the positioning mark is, for example, the same as the material of the spacer. In addition, the position of the positioning mark is, for example, a non-display area corresponding to the first substrate.
在本發明之一實施例之液晶顯示面板以及液晶顯示裝置中，上述之間隙物之材料包括光阻。In a liquid crystal display panel and a liquid crystal display device according to an embodiment of the present invention, the material of the spacer includes a photoresist.
在本發明之一實施例之液晶顯示面板以及液晶顯示裝置中，上述之第一基板上更具有一配向膜，覆蓋畫素陣列與彩色濾光膜陣列。In a liquid crystal display panel and a liquid crystal display device according to an embodiment of the present invention, the first substrate further has an alignment film covering the pixel array and the color filter film array.
在本發明之一實施例之液晶顯示面板以及液晶顯示裝置中，上述之第二基板上更具有一配向膜，覆蓋間隙物。In a liquid crystal display panel and a liquid crystal display device according to an embodiment of the present invention, the second substrate further has an alignment film covering the spacer.
本發明又提出一種液晶顯示面板的製造方法。此製造 方法包括以下步驟：提供第一基板，其上具有一畫素陣列與一彩色濾光膜陣列。在第二基板上形成多個間隙物。填充液晶層於第一基板與第二基板之間，並以間隙物維持第一基板與第二基板之間的晶穴間隙。The present invention further provides a method of fabricating a liquid crystal display panel. This manufacturing The method includes the steps of providing a first substrate having a pixel array and a color filter array. A plurality of spacers are formed on the second substrate. Filling the liquid crystal layer between the first substrate and the second substrate, and maintaining a cell gap between the first substrate and the second substrate with the spacer.
在本發明之一實施例之液晶顯示面板的製造方法中，上述之形成間隙物的方法包括進行光阻塗佈製程與微影蝕刻製程。此外，在形成間隙物時，更可同時以前述光阻塗佈製程與前述微影蝕刻製程形成多個定位標記。In a method of fabricating a liquid crystal display panel according to an embodiment of the present invention, the method for forming a spacer includes performing a photoresist coating process and a photolithography process. In addition, when the spacer is formed, a plurality of positioning marks can be formed simultaneously with the photoresist coating process and the aforementioned photolithography process.
在本發明之一實施例之液晶顯示面板的製造方法中，在提供第一基板時，第一基板上更具有一配向膜，配向膜覆蓋畫素陣列與彩色濾光膜陣列。In the method of fabricating a liquid crystal display panel according to an embodiment of the present invention, when the first substrate is provided, the first substrate further has an alignment film covering the pixel array and the color filter film array.
在本發明之一實施例之液晶顯示面板的製造方法中，在形成間隙物之後與填充液晶層之前，更包括在第二基板上形成配向膜，且配向膜覆蓋間隙物。In the method of fabricating a liquid crystal display panel according to an embodiment of the present invention, after forming the spacer and before filling the liquid crystal layer, forming an alignment film on the second substrate, and the alignment film covers the spacer.
本發明之液晶顯示裝置及其液晶顯示面板中，間隙物對液晶顯示面板顯示開口率的影響較小，因此基板組立的製程可容許些微的誤差而使製程具有較高的彈性與較低的成本。本發明之液晶顯示裝置及其液晶顯示面板中，間隙物以及定位標記在相同的製程步驟中同時形成於第二基板上，因此本發明不需為了製作定位標記而增加額外的製程，有助於節省製作成本。此外，本發明在形成間隙物的同時所形成的定位標記，有助於提高液晶顯示面板組立時的對位準確度。In the liquid crystal display device of the present invention and the liquid crystal display panel thereof, the spacer has less influence on the display aperture ratio of the liquid crystal display panel, so that the substrate assembly process can tolerate slight errors and the process has higher elasticity and lower cost. . In the liquid crystal display device of the present invention and the liquid crystal display panel, the spacers and the positioning marks are simultaneously formed on the second substrate in the same process step, so that the present invention does not need to add an additional process for making the positioning marks, which is helpful. Save on production costs. In addition, the positioning marks formed by the present invention while forming the spacers help to improve the alignment accuracy of the liquid crystal display panel when assembled.
為讓本發明之上述和其他目的、特徵和優點能更明顯 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。The above and other objects, features and advantages of the present invention will become more apparent. It will be understood that the preferred embodiments are described below in detail with reference to the accompanying drawings.
圖1A到圖1D繪示為本發明之一實施例之液晶顯示面板的製造流程。請先參照圖1A，提供第一基板110，其上具有一畫素陣列120與一彩色濾光膜陣列130。此外，第一基板110上例如更具有一配向膜140，配向膜140覆蓋畫素陣列120與彩色濾光膜陣列130。第一基板110是將彩色濾光膜直接整合於畫素陣列基板(Color Filter on Array)上之COA基板。1A to 1D illustrate a manufacturing process of a liquid crystal display panel according to an embodiment of the present invention. Referring first to FIG. 1A, a first substrate 110 having a pixel array 120 and a color filter array 130 is provided. In addition, an alignment film 140 is further disposed on the first substrate 110, and the alignment film 140 covers the pixel array 120 and the color filter array 130. The first substrate 110 is a COA substrate in which a color filter film is directly integrated on a color filter on Array.
第一基板110例如是一玻璃基板或是其他用於製作液晶顯示面板之基板，其具有一顯示區P1以及顯示區P1周圍之非顯示區P2。顯示區P1例如由大部分的畫素陣列120與彩色濾光膜陣列130定義之，也可說是可以顯示畫面的區域。非顯示區P2則包括顯示區P1之外的部分畫素陣列120與彩色濾光膜陣列130以及未被畫素陣列120與彩色濾光膜陣列130覆蓋的區域。The first substrate 110 is, for example, a glass substrate or other substrate for fabricating a liquid crystal display panel, and has a display area P1 and a non-display area P2 around the display area P1. The display area P1 is defined by, for example, most of the pixel array 120 and the color filter array 130, and can also be said to be an area in which a picture can be displayed. The non-display area P2 includes a partial pixel array 120 and a color filter array 130 outside the display area P1 and an area not covered by the pixel array 120 and the color filter array 130.
在本實施例中，畫素陣列120例如是一薄膜電晶體畫素陣列，其包括陣列排列之多個薄膜電晶體以及與各個薄膜電晶體電性連接的畫素電極。當然，畫素陣列120也可以是其他型態的畫素陣列。In this embodiment, the pixel array 120 is, for example, a thin film transistor pixel array including a plurality of thin film transistors arranged in an array and a pixel electrode electrically connected to each of the thin film transistors. Of course, the pixel array 120 can also be a pixel array of other types.
接著，請參照圖1B，在第二基板210上形成多個間隙物220。第二基板210例如是一玻璃基板或是其他用於 製作液晶顯示面板之基板，第二基板210上也可以是先形成一透明導電層(未繪示)，而形成間隙物220的方法可以是進行光阻塗佈製程與微影蝕刻製程。詳細而言，光阻塗佈製程例如旋轉塗佈法(spin coating)或是其他適當方式將光阻材料形成於第二基板210上。微影蝕刻製程則是利用一光罩或是適當的罩幕進行曝光製程使形成於第二基板210上的光阻材料部分曝光，並藉由顯影劑移除部分光阻材料。此時，形成於第二基板210上的光阻材料則會被圖案化而形成多個間隙物220。由於，不同的光阻材料被光線照射可能會發生的反應大致有聚合或是解離兩種。所以，光阻材料、光罩以及顯影劑的種類須相互搭配。舉例而言，正型光阻材料受到光照射後會解離成可溶於顯影劑的結構，因此應搭配使用正型光罩進行微影步驟，以形成多個間隙物220。此時，進行蝕刻步驟時應使用適當的顯影劑，也就是可溶解解離後的正型光阻材料之顯影劑。另外，若選用負型光阻材料則需使用負型光罩以及與此負型光阻材料相互搭配的顯影劑來進行微影蝕刻製程。Next, referring to FIG. 1B, a plurality of spacers 220 are formed on the second substrate 210. The second substrate 210 is, for example, a glass substrate or other The transparent substrate (not shown) may be formed on the second substrate 210. The method for forming the spacers 220 may be a photoresist coating process and a photolithography process. In detail, a photoresist coating process such as spin coating or other suitable means forms a photoresist material on the second substrate 210. The lithography process exposes the photoresist material formed on the second substrate 210 by a photomask or a suitable mask to expose a portion of the photoresist material by the developer. At this time, the photoresist material formed on the second substrate 210 is patterned to form a plurality of spacers 220. Since different photoresist materials are exposed to light, the reactions that may occur are roughly either polymerization or dissociation. Therefore, the types of photoresist materials, photomasks, and developers must match each other. For example, a positive photoresist material is dissociated into a structure that is soluble in a developer after being irradiated with light, so a lithography step should be performed in conjunction with a positive mask to form a plurality of spacers 220. At this time, an appropriate developer, that is, a developer which can dissolve the dissociated positive-type photoresist material, should be used in the etching step. In addition, if a negative photoresist material is selected, a negative mask and a developer matching the negative photoresist material are used for the photolithography process.
在本實施例中，形成間隙物220時，更可同時在前述光阻塗佈製程與前述微影蝕刻製程中形成多個定位標記230。具體來說，欲在形成間隙物220的同時也形成多個定位標記230，例如可採用具有不同圖案的光罩以進行微影蝕刻製程，則可使光阻材料被同時圖案化成多個間隙物220以及多個定位標記230。簡言之，本實施例將間隙物220形成於第二基板210上時，可以在相同的製程步驟中 也形成定位標記230。In the embodiment, when the spacers 220 are formed, a plurality of positioning marks 230 may be formed in the photoresist coating process and the photolithography process. Specifically, if a plurality of positioning marks 230 are formed at the same time as the spacer 220 is formed, for example, a mask having different patterns may be used for the photolithography etching process, the photoresist material may be simultaneously patterned into a plurality of spacers. 220 and a plurality of positioning marks 230. In short, when the spacer 220 is formed on the second substrate 210, the embodiment can be in the same process step. A positioning mark 230 is also formed.
然後，請參照圖1C，在第二基板210上形成配向膜240，且配向膜240覆蓋間隙物220。在本實施例中，配向膜240也會覆蓋定位標記230。換言之，配向膜240例如是覆蓋於整個第二基板210上。當然，第一基板110上的配向膜140與第二基板210上的配向膜240例如皆可藉由接觸式配向製程或是非接觸式配向製程形成所需的配向方向。Then, referring to FIG. 1C, an alignment film 240 is formed on the second substrate 210, and the alignment film 240 covers the spacer 220. In the present embodiment, the alignment film 240 also covers the alignment mark 230. In other words, the alignment film 240 covers, for example, the entire second substrate 210. Certainly, the alignment film 140 on the first substrate 110 and the alignment film 240 on the second substrate 210 can form a desired alignment direction by, for example, a contact alignment process or a non-contact alignment process.
之後，請參照圖1D，填充液晶層310於第一基板110與第二基板210之間。填充液晶層310的方法例如有真空注入法以及滴下式注入法(one drop fill,ODF)。實際上，以真空注入法形成液晶層310之前，需使第一基板110與第二基板210藉由一框膠410接合，並且將液晶自框膠410中的開口填入第一基板110與第二基板210之間。此時，間隙物220是用以維持第一基板110與第二基板210之間的晶穴間隙d。另外，若以滴下式注入法形成液晶層310，則需將框膠410形成於第一基板110或是第二基板210其中之一上，並於框膠410所圍區域內滴入液晶，再將第一基板110與第二基板210接合。此時，第一基板110、第二基板210以及液晶層410構成一液晶顯示面板100。Thereafter, referring to FIG. 1D , the liquid crystal layer 310 is filled between the first substrate 110 and the second substrate 210 . The method of filling the liquid crystal layer 310 is, for example, a vacuum injection method and a one drop fill (ODF). In fact, before the liquid crystal layer 310 is formed by the vacuum injection method, the first substrate 110 and the second substrate 210 are bonded by a sealant 410, and the opening of the liquid crystal from the sealant 410 is filled into the first substrate 110 and the first substrate. Between the two substrates 210. At this time, the spacer 220 is used to maintain the inter-cell gap d between the first substrate 110 and the second substrate 210. In addition, if the liquid crystal layer 310 is formed by a drop-injection method, the sealant 410 is formed on one of the first substrate 110 or the second substrate 210, and liquid crystal is dropped into the area surrounded by the sealant 410. The first substrate 110 is bonded to the second substrate 210. At this time, the first substrate 110, the second substrate 210, and the liquid crystal layer 410 constitute a liquid crystal display panel 100.
請參考圖1D，液晶顯示面板100包括第一基板110、第二基板210以及液晶層310。第一基板110上具有一畫素陣列120與一彩色濾光膜陣列130。第二基板210上具有多個間隙物220。液晶層310配置於第一基板110與第 二基板210之間，其中間隙物220用以維持第一基板110與第二基板210之間的晶穴間隙d。在此，第一基板110與第二基板210例如是藉由框膠410接合在一起的。Referring to FIG. 1D , the liquid crystal display panel 100 includes a first substrate 110 , a second substrate 210 , and a liquid crystal layer 310 . The first substrate 110 has a pixel array 120 and a color filter array 130. The second substrate 210 has a plurality of spacers 220 thereon. The liquid crystal layer 310 is disposed on the first substrate 110 and the first Between the two substrates 210, the spacers 220 are used to maintain the interstitial gap d between the first substrate 110 and the second substrate 210. Here, the first substrate 110 and the second substrate 210 are joined together by, for example, the sealant 410.
間隙物230的位置與分布密度會隨著液晶顯示面板100的設計而改變。當液晶顯示面板100的某部份區域較容易受到重力或是其他作用影響而使晶穴間隙d發生改變時，可以在此區域中增加間隙物230的密度。另外，本實施例中，利用光阻材料所形成的間隙物230大致上為淡黃色，且間隙物230於顯示區P1中例如是呈點狀分布。因此，第一基板110與第二基板210組立時若發生些許的錯移，使部分間隙物230的位置落在畫素陣列120的透光區內，也不至於大幅影響液晶顯示面板100的顯示開口率。相較於習知在對向基板上設置黑矩陣的液晶顯示面板而言，本實施例之液晶顯示面板100對於第一基板110與第二基板210間對位誤差的容忍度較大。舉例來說，本實施例進行基板組立時，第一基板110與第二基板210之間的偏移容忍度約可達100微米左右。也就是說，本實施例之液晶顯示面板100的製程有較大的裕度。The position and distribution density of the spacers 230 may vary depending on the design of the liquid crystal display panel 100. When a certain portion of the liquid crystal display panel 100 is more susceptible to gravity or other effects to change the cell gap d, the density of the spacers 230 may be increased in this region. In addition, in the present embodiment, the spacers 230 formed by the photoresist are substantially yellowish, and the spacers 230 are distributed in a dot shape in the display region P1, for example. Therefore, if a slight misalignment occurs when the first substrate 110 and the second substrate 210 are assembled, the position of the partial spacer 230 falls within the light transmission region of the pixel array 120, and the display of the liquid crystal display panel 100 is not greatly affected. Opening ratio. The liquid crystal display panel 100 of the present embodiment has a greater tolerance to the alignment error between the first substrate 110 and the second substrate 210 than the liquid crystal display panel in which the black matrix is disposed on the opposite substrate. For example, when the substrate is assembled in this embodiment, the offset tolerance between the first substrate 110 and the second substrate 210 is about 100 micrometers. That is to say, the process of the liquid crystal display panel 100 of the present embodiment has a large margin.
此外，第二基板210上更具有多個定位標記230，用以作為第一基板110與第二基板210組立時的參考點，以使第一基板110與第二基板210的對位更精準。詳細來說，定位標記230例如是分布在非顯示區P2中，且定位標記230例如呈現十字型或是L型。倘若第二基板210上沒有這些定位標記230，則第一基板110與第二基板210組立 時沒有參考點，而容易發生對不準的情形。當第一基板110與第二基板210組立時，可以藉由定位標記230作為對位的參考點而使第一基板110與第二基板210組立時具有較高的準確率。因此，本實施例所提出的液晶顯示面板100有相當高的製程良率。In addition, the second substrate 210 further has a plurality of positioning marks 230 for use as a reference point when the first substrate 110 and the second substrate 210 are assembled, so that the alignment between the first substrate 110 and the second substrate 210 is more precise. In detail, the positioning mark 230 is, for example, distributed in the non-display area P2, and the positioning mark 230 is, for example, a cross type or an L type. If the positioning marks 230 are not present on the second substrate 210, the first substrate 110 and the second substrate 210 are assembled. There is no reference point, and it is easy to happen. When the first substrate 110 and the second substrate 210 are assembled, the first substrate 110 and the second substrate 210 can be assembled with a higher accuracy by using the positioning mark 230 as a reference point of the alignment. Therefore, the liquid crystal display panel 100 proposed in the embodiment has a relatively high process yield.
更進一步來說，當先前技術中將COA基板應用於液晶顯示面板時，會將間隙物製作於COA基板上。另外，為了使基板組立的製程達到更精準的要求而需在對向基板上製作定位標記，進一步使液晶顯示面板的製程步驟增加。相較之下，本實施例將定位標記220與間隙物230同時製作於第二基板210上，有助於簡化液晶顯示面板的製程並降低製程成本。Furthermore, when the COA substrate is applied to a liquid crystal display panel in the prior art, a spacer is formed on the COA substrate. In addition, in order to achieve a more precise process for the substrate assembly process, it is necessary to form a positioning mark on the opposite substrate, thereby further increasing the manufacturing process of the liquid crystal display panel. In contrast, in this embodiment, the positioning mark 220 and the spacer 230 are simultaneously formed on the second substrate 210, which helps to simplify the process of the liquid crystal display panel and reduce the process cost.
本發明在此另提出一種液晶顯示裝置，是由上述之液晶顯示面板100與一背光模組所組成。圖2為應用圖1D之液晶顯示面板的液晶顯示裝置的爆炸圖。請參照圖2，液晶顯示裝置500包括背光模組510以及上述之液晶顯示面板100。其中，液晶顯示面板100配置於背光模組510之出光面512的上方。除此之外，液晶顯示裝置500更可具有一前框520，用以使液晶面板100可更穩固的配置在背光模組510上。由於，液晶顯示面板100具有高的製程良率，因而有助於液晶顯示裝置500的量產。The present invention further provides a liquid crystal display device comprising the above liquid crystal display panel 100 and a backlight module. 2 is an exploded view of a liquid crystal display device to which the liquid crystal display panel of FIG. 1D is applied. Referring to FIG. 2 , the liquid crystal display device 500 includes a backlight module 510 and the liquid crystal display panel 100 described above. The liquid crystal display panel 100 is disposed above the light emitting surface 512 of the backlight module 510 . In addition, the liquid crystal display device 500 further has a front frame 520 for allowing the liquid crystal panel 100 to be more stably disposed on the backlight module 510. Since the liquid crystal display panel 100 has a high process yield, it contributes to mass production of the liquid crystal display device 500.
綜上所述，本發明之液晶顯示面板、其製造方法及液晶顯示裝置至少具有以下所述之優點。本發明之液晶顯示面板的製造方法中，間隙物對液晶顯示面板的顯示開口率 的影響較小，所以進行基板組立時對於對位誤差的容忍度較大而使製程較具有彈性，也就是製程裕度較大。換言之，在基板組立時，不需為了避免間隙物對液晶顯示面板的顯示開口率造成影響而要求極高的對位準確度。因此，本發明之液晶顯示面板適於量產。另外，本發明之液晶顯示面板及其液晶顯示裝置中，間隙物與對位標記皆配置於第二基板上，且間隙物與對位標記是同時製作的。因此，本發明在不增加製作步驟以及成本的前提之下，提供一個基板組立製程的準確度較高的液晶顯示面板製程。換言之，本發明之液晶顯示面板的製造方法有高的製程良率。As described above, the liquid crystal display panel of the present invention, the method of manufacturing the same, and the liquid crystal display device have at least the advantages described below. In the method of manufacturing a liquid crystal display panel of the present invention, the display aperture ratio of the spacer to the liquid crystal display panel The influence of the substrate is small, so that the tolerance of the alignment error is large when the substrate is assembled, and the process is more flexible, that is, the process margin is large. In other words, when the substrate is assembled, it is not necessary to require extremely high alignment accuracy in order to prevent the spacer from affecting the display aperture ratio of the liquid crystal display panel. Therefore, the liquid crystal display panel of the present invention is suitable for mass production. In addition, in the liquid crystal display panel of the present invention and the liquid crystal display device thereof, the spacers and the alignment marks are disposed on the second substrate, and the spacers and the alignment marks are simultaneously formed. Therefore, the present invention provides a liquid crystal display panel process with higher accuracy of the substrate assembly process without increasing the fabrication steps and costs. In other words, the method of manufacturing a liquid crystal display panel of the present invention has a high process yield.
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，任何所屬技術領域中具有通常知識者，在不脫離本發明之精神和範圍內，當可作些許之更動與潤飾，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 preferred embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements 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.
100‧‧‧液晶顯示面板100‧‧‧LCD panel
110‧‧‧第一基板110‧‧‧First substrate
120‧‧‧畫素陣列120‧‧‧ pixel array
130‧‧‧彩色濾光膜陣列130‧‧‧Color filter array
140、240‧‧‧配向膜140, 240‧‧‧ alignment film
210‧‧‧第二基板210‧‧‧second substrate
220‧‧‧間隙物220‧‧‧Interval
230‧‧‧定位標記230‧‧‧ Positioning Mark
310‧‧‧液晶層310‧‧‧Liquid layer
410‧‧‧框膠410‧‧‧Box glue
500‧‧‧液晶顯示裝置500‧‧‧Liquid crystal display device
510‧‧‧背光模組510‧‧‧Backlight module
512‧‧‧出光面512‧‧‧Glossy
520‧‧‧前框520‧‧‧ front box
d‧‧‧晶穴間隙D‧‧‧ hole clearance
P1‧‧‧顯示區P1‧‧‧ display area
P2‧‧‧非顯示區P2‧‧‧ non-display area
圖1A~圖1D繪示為本發明之一實施例之液晶顯示面板的製造流程。1A-1D illustrate a manufacturing process of a liquid crystal display panel according to an embodiment of the present invention.
圖2繪示為本發明之一實施例之液晶顯示裝置。2 is a view showing a liquid crystal display device according to an embodiment of the present invention.
100‧‧‧液晶顯示面板100‧‧‧LCD panel
110‧‧‧第一基板110‧‧‧First substrate
120‧‧‧畫素陣列120‧‧‧ pixel array
130‧‧‧彩色濾光膜陣列130‧‧‧Color filter array
140、240‧‧‧配向膜140, 240‧‧‧ alignment film
210‧‧‧第二基板210‧‧‧second substrate
220‧‧‧間隙物220‧‧‧Interval
230‧‧‧定位標記230‧‧‧ Positioning Mark
310‧‧‧液晶層310‧‧‧Liquid layer
410‧‧‧框膠410‧‧‧Box glue
d‧‧‧晶穴間隙D‧‧‧ hole clearance
P1‧‧‧顯示區P1‧‧‧ display area
P2‧‧‧非顯示區P2‧‧‧ non-display area
Claims (16)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040017530A1 (en) * | 2002-07-25 | 2004-01-29 | Hsin-Ming Chen | Method for forming a self-aligned pixel electrode of an lcd |
| TW581904B (en) * | 1999-10-29 | 2004-04-01 | Seiko Epson Corp | Electro-optic panel and manufacturing method of the same, electro-optic device and electronic machine |
| TW200408889A (en) * | 2002-11-28 | 2004-06-01 | Lg Philips Lcd Co Ltd | Method for manufacturing liquid crystal display device |
| CN1624548A (en) * | 2003-12-01 | 2005-06-08 | Lg.菲利浦Lcd株式会社 | Color filter on thin film transistor type liquid crystal display device and method of fabricating the same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW581904B (en) * | 1999-10-29 | 2004-04-01 | Seiko Epson Corp | Electro-optic panel and manufacturing method of the same, electro-optic device and electronic machine |
| US20040017530A1 (en) * | 2002-07-25 | 2004-01-29 | Hsin-Ming Chen | Method for forming a self-aligned pixel electrode of an lcd |
| TW200408889A (en) * | 2002-11-28 | 2004-06-01 | Lg Philips Lcd Co Ltd | Method for manufacturing liquid crystal display device |
| CN1624548A (en) * | 2003-12-01 | 2005-06-08 | Lg.菲利浦Lcd株式会社 | Color filter on thin film transistor type liquid crystal display device and method of fabricating the same |
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