TWI386704B - Apparatus for attaching polarizer to lcd panel - Google Patents
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本發明係關於一種用以將一偏光片貼合在一液晶顯示面板上的設備，特別是指一種先將一保護膜從一偏光片的至少其中一側剝離，再將剝離保護膜後的偏光片貼合到一液晶顯示面板上的設備。The invention relates to a device for bonding a polarizer to a liquid crystal display panel, in particular to a polarizing film which is first peeled off from at least one side of a polarizer and then peeled off the protective film. The piece is attached to a device on a liquid crystal display panel.
在半導體業界中，平板顯示器(flat panel display，FDP)在電子顯示器中已呈現快速的成長發展。In the semiconductor industry, flat panel displays (FDPs) have shown rapid growth in electronic displays.
平板顯示器係為影像顯示裝置，且比一般主要使用在電視機或電腦的映像管顯示器(cathode ray tubes，CRT)更輕、更薄。舉例來說，平板顯示器包括液晶顯示器、電漿顯示器(plasma display panel，PDP)以及有機發光二極體(organic light emitting diode，OLED)等等。The flat panel display is an image display device and is lighter and thinner than a cathode ray tube (CRT) which is mainly used in a television or a computer. For example, flat panel displays include liquid crystal displays, plasma display panels (PDPs), and organic light emitting diodes (OLEDs).
一薄膜電晶體液晶顯示器(thin film transistor LCD，TFT-LCD)，屬於所述的平板顯示器其中之一，係使用一種光切換現象。於此，在光切換現象中，如同界於固態與液態之間的中間媒介的液晶係注入在薄型的上、係玻璃基板之間。再者，液晶分子的配向係藉由在上、下玻璃基板之間的電位差而產生不同亮度，以便顯示不同圖案及影像。A thin film transistor (TFT-LCD), which is one of the flat panel displays, uses a light switching phenomenon. Here, in the light switching phenomenon, a liquid crystal such as an intermediate medium between the solid state and the liquid state is implanted between the thin upper and the glass substrates. Furthermore, the alignment of the liquid crystal molecules produces different brightness by the potential difference between the upper and lower glass substrates to display different patterns and images.
液晶顯示器係以其輕、薄以及低功率消耗的特性，而快速地取代了映像管顯示器。因此，液晶顯示器被廣泛地 使用在電子產品上，包括電子計算器、電視機、筆記型電腦等，以及車用或飛機用的速率表與導航系統等等。The liquid crystal display quickly replaces the image tube display with its light, thin and low power consumption characteristics. Therefore, liquid crystal displays are widely used Used in electronic products, including electronic calculators, televisions, notebook computers, etc., as well as speedometers and navigation systems for vehicles or aircraft.
如此的液晶顯示器係經由一薄膜電晶體陣列製程(TFT Array Process)、一液晶胞製程(LC Cell Process)以及一模組製程(Module Process)所產出的產品。Such a liquid crystal display is produced by a TFT Array Process, a LC Cell Process, and a Module Process.
薄膜電晶體陣列製程係與半導體製程十分相似，例如關於重覆沉積、黃光微影以及以蝕刻將薄膜電晶體排列在一玻璃基板上。The thin film transistor array process is very similar to semiconductor processes, such as for repeated deposition, yellow lithography, and etching thin film transistors on a glass substrate.
液晶胞製程係形成一配向層，以使液晶排列在由薄膜電晶體陣列製程所製造的一薄膜電晶體底板上，以及一如彩色濾光片的頂板，且形成用間隙物密封，以將頂板黏合到底板。The liquid crystal cell process forms an alignment layer for aligning the liquid crystal on a thin film transistor substrate manufactured by a thin film transistor array process, and a top plate of a color filter, and forming a spacer to seal the top plate Bonded to the bottom plate.
模組製程係將一偏光片黏貼至一已製好的液晶顯示面板、直接將驅動IC壓焊在液晶顯示面板上、將一印刷電路板(printed circuit board，PCB)組裝在液晶顯示面板，以及將一背光單元與一外框組裝在液晶顯示面板的背側。The module process attaches a polarizer to a prepared liquid crystal display panel, directly solders the driving IC to the liquid crystal display panel, and assembles a printed circuit board (PCB) on the liquid crystal display panel, and A backlight unit and an outer frame are assembled on the back side of the liquid crystal display panel.
使用在模組製程的偏光片係貼合到液晶顯示面板的兩側，以選擇性地傳遞光線，而光線係穿透液晶，進而朝一特定方向強烈震動。The polarizer used in the module process is attached to both sides of the liquid crystal display panel to selectively transmit light, and the light penetrates the liquid crystal to strongly vibrate in a specific direction.
當偏光片在一液晶顯示面板組裝廠中傳送時，在偏光片的表面絕不可有刮傷，或者是在偏光板的表面絕不可刺入外在物質。因此，在偏光片製造完成之後，在偏光片上即黏貼上額外的保護膜。在保護膜從偏光片撕離之後，偏光片即貼合到液晶顯示面板。When the polarizer is transported in a liquid crystal display panel assembly factory, there must be no scratches on the surface of the polarizer, or the external matter must not be penetrated on the surface of the polarizer. Therefore, after the manufacture of the polarizer, an additional protective film is adhered to the polarizer. After the protective film is peeled off from the polarizer, the polarizer is attached to the liquid crystal display panel.
從前，工廠人員係以手動方式將保護膜從偏光片上撕離。然而，手動作業卻降低了生產效率。因此，有了偏光片貼合設備的出現，以實現撕離保護膜以及將偏光片貼合到液晶顯示面板上一連串的流程，而所述的偏光片貼合設備包含一單元，係使用一黏合帶將保護膜撕離。In the past, factory personnel manually peeled off the protective film from the polarizer. However, manual work reduces production efficiency. Therefore, with the appearance of a polarizer bonding device, a series of processes for peeling off the protective film and bonding the polarizer to the liquid crystal display panel are provided, and the polarizer bonding device includes a unit using a bonding The belt tears off the protective film.
為達此一目的，習知的偏光片貼合設備包含一撕膜單元、一接觸單元以及一收集單元；撕膜單元係具有一供應單元，用以將一新的黏合帶供應給使用一單次黏合帶的撕膜單元；接觸單元係將黏合帶按壓到一保護膜的表面；而收集單元係用以收集廢棄的黏合帶。而且，一般的偏光片貼合設備更包含一驅動單元，係獨立地轉動供應單元及收集單元。To achieve this, a conventional polarizer bonding apparatus includes a tear film unit, a contact unit, and a collection unit; the tear film unit has a supply unit for supplying a new adhesive tape to a single sheet. The tear film unit of the secondary adhesive tape; the contact unit presses the adhesive tape to the surface of a protective film; and the collecting unit is used to collect the discarded adhesive tape. Moreover, the general polarizer bonding apparatus further includes a driving unit that independently rotates the supply unit and the collecting unit.
然而，自從習知的偏光片貼合設備使用單次黏合帶後，使得材料成本的損耗非常大。而且，習知的偏光片貼合設備結構複雜，也因此難以保養及維修。再者，難以同步地控制撕膜單元中之供應單元及收集單元的轉動速率。However, since the conventional polarizer bonding apparatus uses a single adhesive tape, the loss of material cost is very large. Moreover, the conventional polarizer bonding apparatus has a complicated structure and is therefore difficult to maintain and maintain. Furthermore, it is difficult to synchronously control the rotation rates of the supply unit and the collection unit in the tear film unit.
為了解決上述的課題，最近申請偏光片貼合設備之技術的申請案，請參考韓國第2006-0122196號專利，係包含一具有單一滾筒的撕膜單元。其中，所述的偏光板貼合設備係使用一可重覆地使用至少數次且具有預定黏性的黏合帶。因此，降低了材料成本的損耗。而且，撕膜單元包括一具有簡單結構的滾筒。藉此，即可容易來保養及維修偏光片貼合設備，且降低在同步控制上所造成的麻煩。In order to solve the above-mentioned problems, the application for a technique of applying a polarizing film bonding apparatus recently, please refer to Korean Patent No. 2006-0122196, which comprises a tear film unit having a single roller. Wherein, the polarizing plate bonding apparatus uses an adhesive tape which can be repeatedly used at least several times and has a predetermined adhesiveness. Therefore, the loss of material cost is reduced. Moreover, the tear film unit includes a drum having a simple structure. Thereby, it is easy to maintain and repair the polarizer bonding apparatus, and the trouble caused by the synchronization control can be reduced.
但是，在偏光片貼合設備中，撕膜單元包含黏接到一保護膜的滾筒。因此，當滾筒的直徑決定時，撕膜單元的平均壽命增加卻干涉到一剝離流程錯誤的降低。However, in the polarizer bonding apparatus, the tear film unit includes a roller that is bonded to a protective film. Therefore, when the diameter of the drum is determined, the average life of the tear film unit increases, but interferes with a reduction in the peeling process error.
詳而言之，必須增加滾筒的直徑以增長撕膜單元的平均壽命。這也就是為什麼捲繞在滾筒及一消耗部上之黏合帶的長度，係與滾筒的直徑同時增加的原因。黏合帶長度的增加也因而增加了撕膜單元的平均壽命。因此，降低了需要用以更換撕膜單元的加工時間。藉此，在所有流程中改善了生產率。In detail, the diameter of the drum must be increased to increase the average life of the tear film unit. This is why the length of the adhesive tape wound around the drum and a consuming portion is increased at the same time as the diameter of the drum. The increase in the length of the adhesive strip thus increases the average life of the tear film unit. Therefore, the processing time required to replace the tear film unit is reduced. This improves productivity in all processes.
然而，若是增加了滾筒的直徑，將可能會產生一保護膜未能平順地從一偏光片撕離的流程誤差。此一流程誤差可能由不同原因所產生。但是，流程誤差的主要原因係如下所述。However, if the diameter of the roller is increased, there may be a flow error in which the protective film is not smoothly peeled off from a polarizer. This process error can be caused by different reasons. However, the main cause of the flow error is as follows.
一使用在液晶顯示面板或相類似產品的偏光片，通常都是薄且極具彈性。但是，要增加施加在偏光片上的壓力，即須增加滾筒的直徑。因此，由於反應係相對應於壓力，保護膜並無法從偏光片撕離，可是偏光片卻與保護膜伴隨而來。換言之，偏光片可頻繁地升起。因此，一具有大直徑的滾筒施加壓力在偏光片上。藉此，產生一大的互斥力，以將整個偏光片從支撐偏光片的一偏光片固定平台上舉起。因此，會造成保護膜未能平順地從偏光片撕離之流程誤差的發生。A polarizer used in a liquid crystal display panel or the like is usually thin and extremely elastic. However, to increase the pressure applied to the polarizer, the diameter of the drum must be increased. Therefore, since the reaction system corresponds to the pressure, the protective film cannot be peeled off from the polarizer, but the polarizer is accompanied by the protective film. In other words, the polarizer can be raised frequently. Therefore, a roller having a large diameter exerts pressure on the polarizer. Thereby, a large mutual repulsion is generated to lift the entire polarizer from a polarizer fixing platform supporting the polarizer. Therefore, a process error in which the protective film is not smoothly peeled off from the polarizer is caused.
一撕膜單元大體上可包括一有如刀具的尖銳部，用以點接觸一偏光片的局部，以便將保護膜從偏光片撕離。而 在剝離流程期間，稍微地震動對撕膜單元而言是重要的。因此滾筒的直徑必須依據撕膜單元而縮到最小。A tear film unit may generally include a sharp portion such as a cutter for contacting a portion of a polarizer to tear the protective film away from the polarizer. and During the stripping process, a slight shock is important to the tear film unit. Therefore, the diameter of the drum must be minimized in accordance with the tear film unit.
綜上所述，一偏光片貼合設備包含一撕膜單元，係具有一單一滾筒，且必須依據撕膜單元平均壽命的增加而增加滾筒的直徑，但必須依據一剝離流程誤差的減少而縮減滾筒的直徑。In summary, a polarizer bonding apparatus includes a tear film unit having a single roller, and the diameter of the roller must be increased according to an increase in the average life of the tear film unit, but must be reduced according to a reduction in the peeling process error. The diameter of the drum.
於是，在偏光片貼合設備中，撕膜單元平均壽命的增加係干涉到流程誤差的降低。Thus, in the polarizer bonding apparatus, the increase in the average life of the tear film unit interferes with the reduction in the flow error.
本發明係提供一種將一偏光片貼合到一液晶顯示面板的設備，係可降低加工時間，並減少偏光片的升起所造成的流程誤差。The present invention provides an apparatus for bonding a polarizer to a liquid crystal display panel, which can reduce the processing time and reduce the flow error caused by the rise of the polarizer.
本發明之一目的在於提供一種將一偏光片貼合到一液晶顯示面板的設備，包含一偏光板固定平台，用以將一偏光片貼合到一液晶顯示面板，該偏光片的至少其中一側黏貼有一保護膜；一設備本體，係設置在該偏光片固定平台上，且沿著該偏光片固定平台的一平面移動；以及至少一撕膜單元，係與該設備本體結合，且具有一按壓件以及至少一轉向滾筒，該按壓件係按壓一黏合帶，用於將該保護膜從該偏光片撕離，以便該黏合帶黏貼到該保護膜上，該至少一轉向滾筒係與該按壓件相間隔設置，其中，該黏合帶係捲繞在該按壓件及該轉向滾筒上，以一銳角圍繞在該按壓件周圍，而形成一閉路迴路。An object of the present invention is to provide a device for bonding a polarizer to a liquid crystal display panel, comprising a polarizing plate fixing platform for bonding a polarizer to a liquid crystal display panel, at least one of the polarizers a protective film is attached to the side; a device body is disposed on the polarizer fixing platform and moves along a plane of the polarizing plate fixing platform; and at least one tearing film unit is coupled to the device body and has a a pressing member and at least one steering roller, the pressing member pressing an adhesive tape for tearing the protective film away from the polarizing plate, so that the adhesive tape is adhered to the protective film, the at least one steering roller system and the pressing The components are spaced apart, wherein the adhesive tape is wound around the pressing member and the steering roller, and surrounds the pressing member at an acute angle to form a closed circuit.
本發明之另一目的在於提供一種將一偏光片貼合到一 液晶顯示面板的設備，包含一偏光片固定平台，用以將一偏光片貼合到一液晶顯示面板，該偏光片的至少其中一側黏貼有一保護膜；一設備本體，係設置在該偏光片固定平台上，且沿著該偏光片固定平台的一平面移動；以及至少一撕膜單元，係與該設備本體結合，且具有複數個滾筒，而一用以將該保護膜從該偏光片撕離的黏合帶係捲繞在該等滾筒上，以形成一閉路迴路。Another object of the present invention is to provide a polarizer that is attached to a The device of the liquid crystal display panel comprises a polarizer fixing platform for bonding a polarizer to a liquid crystal display panel, at least one side of the polarizer is adhered with a protective film; and a device body is disposed on the polarizer Fixing the platform and moving along a plane of the polarizer fixing platform; and at least one tearing film unit is coupled to the apparatus body and has a plurality of rollers, and one is used for tearing the protective film from the polarizer The detached adhesive tape is wound around the rollers to form a closed circuit.
以下在實施方式中詳細敘述本發明之詳細特徵以及優點，其內容足以使任何熟習相關技藝者了解本發明之技術內容並據以實施，且根據本說明書所揭露之內容、申請專利範圍及圖示，任何熟習相關技藝者可輕易地理解本發明相關之目的及優點。The detailed features and advantages of the present invention are described in detail in the embodiments of the present invention, which are to be understood by those of ordinary skill in the art. The objects and advantages associated with the present invention can be readily understood by those skilled in the art.
茲配合圖式將本發明較佳實施例詳細說明如下。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be described in detail below with reference to the drawings.
本發明用以圖解較佳實施例所附的圖式，係為了能審查委員更加了解本發明、其中的優點，以及達到本發明所實現的目的。The present invention is intended to be illustrative of the preferred embodiments of the present invention in order to provide a
本發明在下列的敘述中，將參考所附圖式以詳加說明本發明的較佳實施例。其中，相同的元件編號係表示相同的元件。DETAILED DESCRIPTION OF THE INVENTION In the following description, reference will be made to the preferred embodiments Wherein the same component numbers denote the same components.
圖1係表示根據本發明一種將偏光片貼合在液晶顯示面板的設備的一實施例之一局部透視示意圖。圖2係表示本發明圖1之一撕膜單元的一部份透視圖，以及圖3係表示本發明一實施例中圖解一初始剝離角度的一示意圖。圖 4係表示本發明從圖1的設備中之撕膜單元的一上升位置所視的一部分放大透視圖，以及圖5係表示本發明從圖1的設備中之撕膜單元的一下降位置所視的一部分放大透視圖。在本說明書中，其前、後方向係表示圖1中座標的X軸，其上、下方向係表示圖1中座標的Z軸。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a partial perspective view showing an embodiment of an apparatus for bonding a polarizer to a liquid crystal display panel according to the present invention. Figure 2 is a partial perspective view showing a tear film unit of Figure 1 of the present invention, and Figure 3 is a schematic view showing an initial peeling angle in an embodiment of the present invention. Figure 4 is a partially enlarged perspective view of the present invention as seen from a raised position of the tear film unit of the apparatus of FIG. 1, and FIG. 5 is a view of the present invention as viewed from a lowered position of the tear film unit of the apparatus of FIG. Part of the enlarged perspective. In the present specification, the front and rear directions indicate the X axis of the coordinates in Fig. 1, and the upper and lower directions indicate the Z axis of the coordinates in Fig. 1.
請參考圖1，根據本發明的一將偏光片貼合到液晶顯示面板的設備100，包括一偏光片固定平台110、一設備本體120以及複數個撕膜單元130。偏光片固定平台110係支撐一偏光片1，而偏光片1的至少其中一側黏貼有一保護膜1a。設備本體120係設置在偏光片固定平台110的一表面上的區域，以沿著偏光片固定平台110的表面移動。撕膜單元130係與設備本體120的一前側結合，以將保護膜1a從偏光片1上撕離。Referring to FIG. 1 , an apparatus 100 for bonding a polarizer to a liquid crystal display panel according to the present invention includes a polarizer fixing platform 110 , an apparatus body 120 , and a plurality of tear film units 130 . The polarizer fixing platform 110 supports a polarizer 1, and at least one of the polarizers 1 has a protective film 1a adhered thereto. The apparatus body 120 is disposed on a surface of a surface of the polarizer fixing platform 110 to move along the surface of the polarizer fixing platform 110. The tear film unit 130 is coupled to a front side of the apparatus body 120 to tear the protective film 1a away from the polarizer 1.
偏光片固定平台110係一支撐及固定偏光片1的基礎。換句話說，一個由偏光片供應單元(圖未示)供給而被當做工作目標的偏光片1，係設置在偏光片固定平台110的上表面上。當要將保護膜1a要從偏光片1被撕離時，設置在偏光片固定平台110上表面上的偏光片1，必須要被固定在偏光片固定平台110的上表面上。因此，偏光片固定平台110係包含一用以固定偏光片1的附加固定單元。附加固定單元可為不同型態的固定單元其中的一種。為了將偏光片1固定在偏光片固定平台110上，在本實施例中，係使用一真空吸附裝置，真空吸附裝置具有複數個設置在偏光片固定平台110一表面的真空孔(圖未示)、與各真空 孔連接的真空幫浦(圖未示)等等。真空吸附裝置係將偏光片1固定在偏片固定平台110的上表面上。The polarizer fixing platform 110 is a foundation for supporting and fixing the polarizer 1. In other words, a polarizer 1 supplied as a work target by a polarizer supply unit (not shown) is disposed on the upper surface of the polarizer fixing stage 110. When the protective film 1a is to be torn away from the polarizer 1, the polarizer 1 disposed on the upper surface of the polarizer fixing stage 110 must be fixed on the upper surface of the polarizer fixing stage 110. Therefore, the polarizer fixing platform 110 includes an additional fixing unit for fixing the polarizer 1. The additional fixing unit may be one of different types of fixing units. In order to fix the polarizer 1 on the polarizer fixing platform 110, in the embodiment, a vacuum adsorption device is used, and the vacuum adsorption device has a plurality of vacuum holes (not shown) disposed on a surface of the polarizer fixing platform 110. With each vacuum The vacuum pump connected to the hole (not shown) and so on. The vacuum adsorption device fixes the polarizer 1 on the upper surface of the polarizing plate fixing platform 110.
設備本體120係設置在偏光片固定平台110的上表面區域。複數個撕膜單元130(將於後詳述)係在Y軸方向與設備本體120的前側結合，且相隔一預定間隔。在此，撕膜單元130係具有預定使用壽命的消耗品。所有已經結束使用壽命的撕膜單元130會被更換，或者是更換在圖2中捲繞在撕膜單元130上的黏合帶136。因此，在本實施例中，撕膜單元130係可分離地與設備本體120的前側相結合。The apparatus body 120 is disposed on an upper surface area of the polarizer fixing platform 110. A plurality of tear film units 130 (described later in detail) are coupled to the front side of the apparatus body 120 in the Y-axis direction and spaced apart by a predetermined interval. Here, the tear film unit 130 is a consumable having a predetermined service life. All tear film units 130 that have ended their service life will be replaced, or the adhesive tape 136 wound on the tear film unit 130 in Fig. 2 will be replaced. Therefore, in the present embodiment, the tear film unit 130 is detachably coupled to the front side of the apparatus body 120.
卡固件150係設置在設備本體120前側的上部，用以將撕膜單元130卡固在設備本體，或是將撕膜單元130從設備本體120解開。卡固件150係與設備本體120結合，並朝Z軸方向(向上、向下的方向)以一預定距離移動。卡固件150係卡固在圖2中的結合凸塊131a，或是從圖2中的結合凸塊131a中解開，以便撕膜單元130可分離地與設備本體120結合。在此，結合凸塊131a係設置在撕膜單元130之單元本體131(請參考圖2)前側的上部，而撕膜單元130將於後詳述其結構。The fastener 150 is disposed on an upper portion of the front side of the apparatus body 120 for locking the tear film unit 130 to the apparatus body or disengaging the tear film unit 130 from the apparatus body 120. The fastener 150 is coupled to the apparatus body 120 and moved at a predetermined distance in the Z-axis direction (upward and downward directions). The fastener 150 is fastened to the coupling projection 131a in FIG. 2 or is uncoupled from the coupling projection 131a in FIG. 2 so that the tear film unit 130 can be detachably coupled to the apparatus body 120. Here, the bonding bump 131a is disposed on the upper portion of the front side of the unit body 131 (please refer to FIG. 2) of the tear film unit 130, and the tear film unit 130 will be described later in detail.
在本實施例中，雖然未將所有撕膜單元130表示在圖1中，而以四個撕膜單元130沿著Y軸方向以一預定間隔設置設備本體120的前側，並與設備本體120的前側結合。然而，在本實施例中撕膜單元130的數量並不以此為限，而可做不同數量的選擇。舉例來說，若是保護膜1a要從一小尺寸的偏光片1上撕離，則撕膜單元130的數量可以是 小於數量"4"。若是保護膜1a要從一大尺寸的偏光片1上撕離，則撕膜單元130的數量可以是大於數量"4"。In the present embodiment, although not all the tear film units 130 are shown in FIG. 1, the front side of the apparatus body 120 is disposed at a predetermined interval along the Y-axis direction by the four tear film units 130, and with the apparatus body 120. The front side is combined. However, the number of tear film units 130 in this embodiment is not limited thereto, and different numbers of options may be made. For example, if the protective film 1a is to be peeled off from a small-sized polarizer 1, the number of the tear-off film unit 130 may be Less than the number "4". If the protective film 1a is to be peeled off from the large-sized polarizer 1, the number of the tear film units 130 may be greater than the number "4".
一支撐架(圖未示)係設置在設備本體120的背側，以沿著設備本體120的一移動方向(X軸方向)而平行偏光片固定平台110。支撐架係與一啟動器(圖未示)相結合，而啟動器係沿著偏光片固定平台110的表面(X軸方向)以移動設備本體120。所以，與撕膜單元130相結合的設備本體120可以在X軸方向向前及向後移動。啟動器可以是一氣壓缸、一油壓缸、一氣/油壓缸、一馬達以及相類似的裝置。A support frame (not shown) is disposed on the back side of the apparatus body 120 to parallel the polarizer fixing platform 110 along a moving direction (X-axis direction) of the apparatus body 120. The support frame is combined with a starter (not shown), and the starter moves along the surface (X-axis direction) of the polarizer fixing platform 110 to move the apparatus body 120. Therefore, the apparatus body 120 combined with the tear film unit 130 can move forward and backward in the X-axis direction. The starter can be a pneumatic cylinder, a hydraulic cylinder, a gas/hydraulic cylinder, a motor, and the like.
請參考圖2，本實施例的每一撕膜單元130包括單元本體131、一組滾筒支撐器133、一當成按壓件的按壓滾筒132，以及一第一轉向滾筒134與一第二轉向滾筒135。滾筒支撐器133係從單元本體131延伸，且相互間隔設置。按壓滾筒132係按壓使用於將保護膜1a從偏光片1撕離的黏合帶136，以便黏合帶136黏貼在保護膜1a上。第一轉向滾筒134及第二轉向滾筒135係與按壓滾筒132相互間隔設置。Referring to FIG. 2 , each tear film unit 130 of the present embodiment includes a unit body 131 , a set of roller supports 133 , a pressing roller 132 as a pressing member, and a first steering roller 134 and a second steering roller 135 . . The roller supporters 133 extend from the unit body 131 and are spaced apart from each other. The pressing roller 132 presses the adhesive tape 136 for peeling off the protective film 1a from the polarizing plate 1, so that the adhesive tape 136 is adhered to the protective film 1a. The first steering roller 134 and the second steering roller 135 are spaced apart from each other by the pressing roller 132.
按壓滾筒132係設置在第一轉向滾筒134及第二轉向滾筒135之前，且可轉動地結合在滾筒支撐器133前端之間。在此，按壓滾筒的132直徑係小於第一轉向滾筒134與第二轉向滾筒135的直徑。The pressing roller 132 is disposed before the first steering roller 134 and the second steering roller 135, and is rotatably coupled between the front ends of the roller supports 133. Here, the diameter of the pressing roller 132 is smaller than the diameters of the first steering roller 134 and the second steering roller 135.
第一轉向滾筒134及第二轉向滾筒135係可轉動地結合在滾筒支撐器133之間。在此，第一轉向滾筒134係設置在按壓滾筒132的上方，而第二轉向滾筒135係設置在 第一轉向滾筒134的下方。換句話說，按壓滾筒132與第一轉向滾筒134及第二轉向滾筒135係設置成一三角型結構。The first steering roller 134 and the second steering roller 135 are rotatably coupled between the roller supports 133. Here, the first steering roller 134 is disposed above the pressing roller 132, and the second steering roller 135 is disposed at Below the first steering roller 134. In other words, the pressing roller 132 is disposed in a triangular configuration with the first steering roller 134 and the second steering roller 135.
黏合帶136係捲繞在按壓滾筒132及第一轉向滾筒134與第二轉向滾筒135上而形成三角型結構，以致形成一封閉迴路。在此，既然按壓滾筒132係設置在第一轉向滾筒134及第二轉向滾筒135之間，黏合帶136則以一銳角圍繞在按壓滾筒132周圍，而形成一封閉迴路。此一銳角在數學上的意思是小於一直角。在本實施例中，黏合帶136係可以一介於5∘到45∘的銳角圍繞在按壓滾筒132周圍，而捲繞成一封閉迴路。於後將詳述本發明中黏合帶136以一銳角圍繞在按壓滾筒132周圍，而捲繞成一封閉迴路的原因。The adhesive tape 136 is wound around the pressing roller 132 and the first steering roller 134 and the second steering roller 135 to form a triangular structure, so as to form a closed loop. Here, since the pressing roller 132 is disposed between the first steering roller 134 and the second steering roller 135, the adhesive tape 136 surrounds the pressing roller 132 at an acute angle to form a closed loop. This acute angle means mathematically less than the right angle. In the present embodiment, the adhesive tape 136 can be wound around a pressing roller 132 at an acute angle of 5 ∘ to 45 ,, and wound into a closed loop. The reason why the adhesive tape 136 of the present invention surrounds the pressing roller 132 at an acute angle and is wound into a closed loop will be described in detail later.
一具有預定黏性的黏合材質係塗佈在黏合帶136上，以便黏合帶136用以重複地使用數次。而且，黏合帶136係在按壓滾筒132及第一轉向滾筒134與第二轉向滾筒135上，捲繞兩次或兩次以上。另外，亦可選擇將黏合帶136僅捲繞一次。然而，若是僅將黏合帶136捲繞一次的話，黏合帶136會很容易從按壓滾筒132及第一轉向滾筒134與第二轉向滾筒135分離。因此，較佳者，係將黏合帶136捲繞兩次或兩次以上。An adhesive material having a predetermined adhesiveness is applied to the adhesive tape 136 so that the adhesive tape 136 is used repeatedly for several times. Further, the adhesive tape 136 is wound around the pressing roller 132, the first steering roller 134, and the second steering roller 135, and wound twice or more. Alternatively, the adhesive tape 136 may be optionally wound only once. However, if only the adhesive tape 136 is wound once, the adhesive tape 136 can be easily separated from the pressing roller 132 and the first steering roller 134 by the second steering roller 135. Therefore, preferably, the adhesive tape 136 is wound twice or more.
在本實施例的撕膜單元130中，按壓滾筒132及第一轉向滾筒134與第二轉向滾筒135係設置成三角型結構。因此，可縮減接觸到保護膜1a之按壓滾筒132的直徑，以及增加已捲繞的黏合帶136長度。In the tear film unit 130 of the present embodiment, the pressing roller 132, the first steering roller 134, and the second steering roller 135 are provided in a triangular configuration. Therefore, the diameter of the pressing roller 132 contacting the protective film 1a can be reduced, and the length of the wound adhesive tape 136 can be increased.
於是，接觸到保護膜1a之按壓滾筒132直徑的縮減，係減少了一流程誤差，而流程誤差係在撕離黏貼於偏光片1上之保護膜1a的初始流程中，而升起偏光片時，保護膜1a並未正常地從偏光片1上撕離所造成的。黏合帶136長度的增長，係增加了撕膜單元130的使用壽命，並增加了撕膜單元130更換工作的週期，以便降低加工時間。Thus, the reduction in the diameter of the pressing roller 132 that is in contact with the protective film 1a reduces a flow error, and the flow error is in the initial flow of the protective film 1a peeled off from the polarizing plate 1, and when the polarizer is raised The protective film 1a is not normally peeled off from the polarizer 1. The increase in the length of the adhesive tape 136 increases the service life of the tear film unit 130 and increases the cycle of the tear film unit 130 replacement operation in order to reduce the processing time.
如前面前案的敘述，依據發生在撕離保護膜1a的初始流程中之流程誤差降低，可以使接觸保護膜1a之按壓滾筒132直徑盡可能地縮小。在本實施例中，黏合帶136係捲繞在設置成三角型結構的按壓滾筒132及第一轉向滾筒134與第二轉向滾筒135上。因此，按壓滾筒132直徑的縮減，並不會影響撕膜單元130的使用壽命，且不像習知的撕膜單元中，黏合帶係捲繞在單一滾筒上。As described in the foregoing, the diameter of the pressing roller 132 contacting the protective film 1a can be made as small as possible in accordance with the reduction in the flow error occurring in the initial flow of the peeling protective film 1a. In the present embodiment, the adhesive tape 136 is wound around the pressing roller 132 and the first steering roller 134 and the second steering roller 135 which are provided in a triangular configuration. Therefore, the reduction in the diameter of the pressing roller 132 does not affect the service life of the tear film unit 130, and unlike the conventional tear film unit, the adhesive tape is wound around a single roller.
然而，若是按壓滾筒132的直徑小的話，則用以支撐按壓滾筒132轉動的一軸承必定非常小。因此，按壓滾筒132會非常難以製造及安裝。However, if the diameter of the pressing roller 132 is small, a bearing for supporting the rotation of the pressing roller 132 must be extremely small. Therefore, pressing the roller 132 can be very difficult to manufacture and install.
為了解決此一問題，本實施例的撕膜單元130係以複數個樹脂軸承132a來實現按壓滾筒132。In order to solve this problem, the tear film unit 130 of the present embodiment implements the pressing roller 132 by a plurality of resin bearings 132a.
換句話說，如圖2所示，按壓滾筒132係包含一支撐軸132b以及複數個樹脂軸承132a。支撐軸132b係與滾筒支撐器133的前端133a結合在其間。複數個樹脂軸承132a係沿著支撐軸132b而設置，且可轉動地與支撐軸132b結合。樹脂軸承132a係為球型軸承，但亦可為其他型態的軸承，並不以此為限。In other words, as shown in FIG. 2, the pressing roller 132 includes a support shaft 132b and a plurality of resin bearings 132a. The support shaft 132b is coupled to the front end 133a of the drum support 133 therebetween. A plurality of resin bearings 132a are provided along the support shaft 132b and rotatably coupled to the support shaft 132b. The resin bearing 132a is a ball bearing, but may be other types of bearings, and is not limited thereto.
本實施例的撕膜單元130為了要縮減按壓滾筒132的直徑，係以尺寸非常小的複數個樹脂軸承132a來實現按壓滾筒132。結果，進一步降低了發生在保護膜1a初始撕離流程中的流程誤差The tear film unit 130 of the present embodiment realizes the pressing roller 132 by a plurality of resin bearings 132a having a very small size in order to reduce the diameter of the pressing roller 132. As a result, the flow error occurring in the initial tearing off process of the protective film 1a is further reduced.
而且，在本實施例的撕膜單元130中，按壓滾筒132係設置在第一轉向滾筒134及第二轉向滾筒135的之前，而第一轉向滾筒134與第二轉向滾筒135係設置在按壓滾筒132之後。因此，黏合帶136係捲繞在按壓滾筒132上，以形成圍繞在按壓滾筒132周圍的銳角。Moreover, in the tear film unit 130 of the present embodiment, the pressing roller 132 is disposed before the first steering roller 134 and the second steering roller 135, and the first steering roller 134 and the second steering roller 135 are disposed on the pressing roller. After 132. Therefore, the adhesive tape 136 is wound around the pressing roller 132 to form an acute angle around the pressing roller 132.
在此，請參考圖3，保護膜1a的α角度係表示一初始撕膜角度，係在從偏光片1的保護膜1a一端撕離的一初始撕膜流程(請參考將於後詳述的設備100之操作)中，將保護膜1a從偏光片1的表面升起。發生在保護膜1a的初始撕膜流程中之流程誤差，係與初始撕膜角度的減小而降低。Here, referring to FIG. 3, the α angle of the protective film 1a indicates an initial tear film angle, which is an initial tear film process which is peeled off from the end of the protective film 1a of the polarizer 1 (please refer to the details which will be described later). In the operation of the apparatus 100, the protective film 1a is lifted from the surface of the polarizer 1. The flow error occurring in the initial tear film flow of the protective film 1a is reduced as the angle of the initial tear film is reduced.
當初始撕膜角度α在初始撕膜流程中，將保護膜1a相對於偏光片1彎折而到最小時，在保護膜1a上未設置撕膜單元130的區域會更好彎折，而此一區域例如保護膜1a位在相互間隔設置的撕膜單元130之間的部分。結果，即可順利地撕離此一保護膜1a的部分。When the initial tear film angle α is in the initial tear film flow, when the protective film 1a is bent with respect to the polarizer 1 to the minimum, the area where the tear film unit 130 is not disposed on the protective film 1a is better bent, and this is A region such as a portion of the protective film 1a located between the tear film units 130 which are spaced apart from each other. As a result, the portion of the protective film 1a can be smoothly peeled off.
因此，具有上述結構的撕膜單元130之使用壽命會增加，而且撕膜單元130的更換週期也會增加，以便降低加工時間。再者，在撕離黏貼於偏光片1上之保護膜1a的初始流程中，而升起偏光片時，保護膜1a並未正常地從偏光片1上撕離所造成的流程誤差亦會降低。如上所述，在本 發明中，即可解決增加撕膜單元使用壽命以及降低流程誤差之間所造成的影響。Therefore, the service life of the tear film unit 130 having the above structure is increased, and the replacement period of the tear film unit 130 is also increased to reduce the processing time. Further, in the initial flow of tearing off the protective film 1a adhered to the polarizer 1, when the polarizer is raised, the flow error caused by the protective film 1a not being peeled off from the polarizer 1 is also lowered. . As mentioned above, in this In the invention, the effect between increasing the service life of the tear film unit and reducing the flow error can be solved.
請再參考圖1，本實施例的設備100係進一步包括一撕膜單元驅動器160，係用以在Z軸方向，升高及降低設置在設備本體120上的撕膜單元130。Referring to FIG. 1 again, the apparatus 100 of the present embodiment further includes a tear film unit driver 160 for raising and lowering the tear film unit 130 disposed on the apparatus body 120 in the Z-axis direction.
撕膜單元驅動器160係安裝在設備本體120的前側，以與撕膜單元130結合。撕膜單元驅動器160係可將撕膜單元130升高到上坡位置及降低到下坡位置，而上坡位置係在按壓滾筒132與偏光片1分離的位置，下坡位置係在按壓滾筒132與保護膜1a接觸的位置。換句話說，當黏合帶136位在按壓滾筒132及保護膜1a之間時，按壓滾筒132即接觸在撕膜單元130下坡位置的保護膜1a，以將保護膜1a從偏光片1撕離。與撕膜單元130結合的設備本體120，係在撕膜單元130的上坡位置向前、向後(在X軸方向)移動。The tear film unit driver 160 is mounted on the front side of the apparatus body 120 to be combined with the tear film unit 130. The tear film unit driver 160 can raise the tear film unit 130 to an uphill position and lower to a downhill position, and the upslope position is at a position where the pressing roller 132 is separated from the polarizer 1, and the downslope position is at the pressing roller 132. A position in contact with the protective film 1a. In other words, when the adhesive tape 136 is positioned between the pressing roller 132 and the protective film 1a, the pressing roller 132 contacts the protective film 1a at the position where the tearing film unit 130 is downhill to tear the protective film 1a away from the polarizing film 1. . The apparatus body 120 combined with the tear film unit 130 is moved forward and backward (in the X-axis direction) at the uphill position of the tear film unit 130.
撕膜單元驅動器160可為不同型態的啟動器，例如氣壓缸、油壓缸、氣/油壓缸、馬達或是相類似的裝置等。由於此係在所屬技術領域所熟知的技術，因此為了闡明本發明的要點，在本說明中係省略撕膜單元驅動器160的結構及操作知詳細描述。The tear film unit driver 160 can be a different type of actuator, such as a pneumatic cylinder, a hydraulic cylinder, a gas/hydraulic cylinder, a motor, or the like. Since this is a technique well known in the art, in order to clarify the gist of the present invention, a detailed description of the structure and operation of the tear film unit driver 160 will be omitted in the present description.
請參考圖1，本實施例的設備100進一步包含複數個膜支撐器170，係在將保護膜1a從偏光片1撕離的流程中，平坦地將保護膜1a展開。Referring to FIG. 1, the apparatus 100 of the present embodiment further includes a plurality of film holders 170 which flatten the protective film 1a in a process of tearing off the protective film 1a from the polarizer 1.
撕膜單元130的按壓滾筒132係接觸保護膜1a。之後，設備本體120藉由啟動器(圖未示)向後移動。既然如此， 在撕離保護膜1a的流程中，會使保護膜1a的一部分皺摺。此一現象是非常重要地，且發生在保護膜1a的區域中，而此一保護膜1a的區域係位在介於相互間隔設置的撕膜單元130之間。若是保護膜1a係部分地皺摺而從偏光片1撕離，可能無法將保護膜1a平順地撕離。而且，可能會因為保護膜1a的皺褶部分在撕離保護膜1a時，傷害到偏光片1。The pressing roller 132 of the tear film unit 130 is in contact with the protective film 1a. Thereafter, the device body 120 is moved backward by a starter (not shown). That being the case, In the flow of tearing off the protective film 1a, a part of the protective film 1a is wrinkled. This phenomenon is very important and occurs in the region of the protective film 1a, and the region of the protective film 1a is located between the tear film units 130 which are spaced apart from each other. If the protective film 1a is partially creased and peeled off from the polarizing plate 1, the protective film 1a may not be smoothly peeled off. Moreover, the polarizer 1 may be damaged when the wrinkled portion of the protective film 1a is peeled off from the protective film 1a.
膜支撐器170係避免保護膜1a的部分，在撕離保護膜1a時產生皺摺。而且，膜支撐器170係與介於撕膜單元130之間的設備本體120之下部相結合，也因此與設備本體120一同移動。膜支撐器170係支撐從偏光片1撕離的保護膜1a，以便平順地撕離保護膜1a，而不需摺疊保護膜1a。The film holder 170 avoids a portion of the protective film 1a and wrinkles when the protective film 1a is peeled off. Moreover, the film holder 170 is coupled to the lower portion of the apparatus body 120 between the tear film unit 130, and thus also moves together with the apparatus body 120. The film holder 170 supports the protective film 1a peeled off from the polarizing plate 1 so as to smoothly peel off the protective film 1a without folding the protective film 1a.
請參考圖4及圖5，本實施例的設備100進一步包括滾筒卡固單元140，係當撕膜單元驅動器160升起撕膜單元130時，用以避免第一轉向滾筒134的轉動。Referring to FIG. 4 and FIG. 5, the apparatus 100 of the present embodiment further includes a roller fastening unit 140 for preventing the rotation of the first steering roller 134 when the tear film unit driver 160 raises the tear film unit 130.
每一滾筒卡固單元140係包含擋止滾筒141及防轉器142。擋止滾筒141係連接到第一轉向滾筒134的一端，以與第一轉向滾筒134一同轉動。防轉器142係與設備本體120的前側結合，並接觸擋止滾筒141以避免擋止滾筒141轉動。Each roller fastening unit 140 includes a stopper roller 141 and an anti-rotation device 142. The stopper roller 141 is coupled to one end of the first steering roller 134 to rotate together with the first steering roller 134. The anti-rotation device 142 is coupled to the front side of the apparatus body 120 and contacts the stopper roller 141 to prevent the stopper roller 141 from rotating.
擋止滾筒141係與設置在滾筒支撐器133內側的第一轉向滾筒134的一端結合，以便與在滾筒支撐器133外側的第一轉向滾筒134一同轉動。The stopper roller 141 is coupled to one end of the first steering roller 134 disposed inside the roller holder 133 to rotate together with the first steering roller 134 outside the roller holder 133.
防轉器142的一端係固定在設備本體120前端的上部，而防轉器142的另一端係從前述該端向下延伸，而將擋止滾筒141定位。One end of the anti-rotation device 142 is fixed to the upper portion of the front end of the apparatus body 120, and the other end of the anti-rotation device 142 extends downward from the aforementioned end to position the stopper roller 141.
防轉器142接觸擋止滾筒141的一端具有斜面142a、142b，此等斜面142a、142b向下相互間隔而設置。One end of the anti-rotation device 142 contacting the stopper roller 141 has inclined faces 142a, 142b which are disposed to be spaced apart from each other.
在本實施例中，擋止滾筒141的外側面係塗佈一橡膠材質，用以增加擋止滾筒141接觸防轉器142的斜面142a、142b時的摩擦力，以便進一步確認避免擋止滾筒141的轉動。當然，為了在擋止滾筒141接觸到防轉器142時增加摩擦力，亦可選擇用橡膠墊黏貼在防轉器142的斜面142a、142b，或者是以一橡膠材質塗佈在防轉器142的斜面142a、142b上。而且，在本實施例中，擋止滾筒141係與第一轉向滾筒134的一端相結合，但在本發明中，並不以此為限。換句話說，按壓滾筒131及第一轉向滾筒134與第二轉向滾筒135係一同轉動，且黏合帶136係捲繞在按壓滾筒131及第一轉向滾筒134與第二轉向滾統135上，而形成封閉迴路。因此本發明的擋止滾筒141可與按壓滾筒132的一端結合，或者是與第二轉向滾筒135的一端結合。而且，二擋止滾筒(圖未示)係可分別與第一轉向滾筒134的兩端結合。In the present embodiment, the outer side surface of the stopper roller 141 is coated with a rubber material for increasing the frictional force when the stopper roller 141 contacts the slopes 142a, 142b of the anti-rotation device 142, so as to further confirm the avoidance of the stopper roller 141. The rotation. Of course, in order to increase the frictional force when the stopper roller 141 contacts the anti-rotation device 142, it may be selected to be adhered to the inclined surface 142a, 142b of the anti-rotation device 142 by a rubber pad, or coated on the anti-rotation device 142 with a rubber material. On the inclined faces 142a, 142b. Further, in the present embodiment, the stopper roller 141 is coupled to one end of the first steering roller 134, but it is not limited thereto in the present invention. In other words, the pressing roller 131 and the first steering roller 134 rotate together with the second steering roller 135, and the adhesive tape 136 is wound around the pressing roller 131 and the first steering roller 134 and the second steering roller 135, and Form a closed loop. Therefore, the stopper roller 141 of the present invention can be coupled to one end of the pressing roller 132 or to one end of the second steering roller 135. Further, a two-stop roller (not shown) may be coupled to both ends of the first steering roller 134, respectively.
在設備100中，當保護膜1a的一端年到黏貼到黏合帶136時，撕膜單元130係在Z軸方向升起，也因此設備本體120則向後移動。所以，可將保護膜1a完全地從偏光片1撕離。In the apparatus 100, when one end of the protective film 1a is adhered to the adhesive tape 136 year by year, the tear film unit 130 is lifted in the Z-axis direction, and thus the apparatus body 120 is moved backward. Therefore, the protective film 1a can be completely peeled off from the polarizing plate 1.
請參考圖4，擋止滾筒141係在撕膜單元130的上坡位置時，接觸到防轉器142的斜面142a、142b。因此，假若設備本體120向前及向後移動，可避免擋止滾筒141的轉動。藉由黏合帶136一同轉動，且連接到擋止滾筒141、按壓滾筒132以及第二轉向滾筒135的第一轉向滾筒134，係由於防止擋止滾筒141轉動，進而防止第一轉向滾筒134的轉動。換句話說，當擋止滾筒141接觸到防轉器142時，儘管設備本體120移動，捲繞在按壓滾筒132及第一轉向滾筒134與第二轉向滾統135以形成封閉迴路的黏合帶136，並不會移動，而會固定住。Referring to FIG. 4, the stopper roller 141 is in contact with the inclined faces 142a, 142b of the anti-rotation device 142 when the tearing film unit 130 is in the uphill position. Therefore, if the apparatus body 120 moves forward and backward, the rotation of the stopper roller 141 can be avoided. The first steering roller 134, which is rotated by the adhesive tape 136 and connected to the stopper roller 141, the pressing roller 132, and the second steering roller 135, prevents the rotation of the stopper roller 141, thereby preventing the rotation of the first steering roller 134. . In other words, when the stopper roller 141 comes into contact with the anti-rotation device 142, although the apparatus body 120 moves, the adhesive tape 136 is wound around the pressing roller 132 and the first steering roller 134 and the second steering roller 135 to form a closed loop. And will not move, but will be fixed.
請參考圖5，擋止滾筒141係與防轉器142的斜面142a、142b相互間隔，因此當黏合帶136捲繞在按壓滾筒132上，接觸到保護膜1a的撕膜單元130在上坡位置時，擋止滾筒141並不會接觸到斜面142a、142b。所以，連接到擋止滾筒141、按壓滾筒132，以及第二轉向滾筒135的第一轉向滾筒134，可以自由地轉動。本實施例的設備100可包含具有上述結構的滾筒卡固單元140，以便省略在傳統的偏光片貼合設備所必須的且具有夾持器的夾持單元。Referring to FIG. 5, the stopper roller 141 is spaced apart from the slopes 142a, 142b of the anti-rotation device 142, so that when the adhesive tape 136 is wound around the pressing roller 132, the tear film unit 130 contacting the protective film 1a is in an uphill position. At this time, the stopper roller 141 does not come into contact with the slopes 142a, 142b. Therefore, the first steering roller 134 connected to the stopper roller 141, the pressing roller 132, and the second steering roller 135 can be freely rotated. The apparatus 100 of the present embodiment may include the drum fixing unit 140 having the above structure so as to omit the holding unit necessary for the conventional polarizer bonding apparatus and having the holder.
換句話說，在本實施例的設備100包括具有簡單結構的滾筒卡固單元140，當設備本體120在撕膜單元130的上坡位置移動時，以避免第一轉向滾筒134與第二轉向滾筒135以及按壓滾筒132的轉動。因此，設備100可以省略在傳統的偏光片貼合設備所必須的且具有複雜結構的夾持單元。於是，設備100的結構可以簡單化，且可以降低設備100的製造成本。In other words, the apparatus 100 of the present embodiment includes the drum securing unit 140 having a simple structure to avoid the first steering drum 134 and the second steering drum when the apparatus body 120 is moved at the uphill position of the tear film unit 130. 135 and the rotation of the pressing roller 132. Therefore, the apparatus 100 can omit the clamping unit which is necessary for the conventional polarizer bonding apparatus and has a complicated structure. Thus, the structure of the device 100 can be simplified, and the manufacturing cost of the device 100 can be reduced.
本實施例的設備100進一步包含一感測單元(圖未示)以及一控制器(圖未示)。感測單元係感測是否已將保護膜1a撕離，以及控制器可根據感測單元的感測結果，選擇性地控制撕離保護膜1a的執行模式。The device 100 of this embodiment further includes a sensing unit (not shown) and a controller (not shown). The sensing unit senses whether the protective film 1a has been torn off, and the controller can selectively control the execution mode of the tear-off protective film 1a according to the sensing result of the sensing unit.
感測單元可包括一真空傳感器以及一光感測器。在此，真空傳感器係感測當保護膜1a從偏光片1撕離時，偏光片1是否從偏光片固定平台110分離，以感測是否已撕離保護膜1a，。光感測器係感測按壓滾筒132是否接觸保護膜1a，進而感測是否已撕離保護膜1a。感測單元可包含不同型態的感測器、照相機，或其他類似可以取代真空傳感器及光感測器的裝置，故本發明並不以此為限。The sensing unit can include a vacuum sensor and a light sensor. Here, the vacuum sensor senses whether or not the polarizer 1 is separated from the polarizer fixing stage 110 when the protective film 1a is peeled off from the polarizing plate 1 to sense whether the protective film 1a has been peeled off. The photo sensor senses whether or not the pressing roller 132 contacts the protective film 1a, thereby sensing whether the protective film 1a has been peeled off. The sensing unit may include different types of sensors, cameras, or other similar devices that can replace the vacuum sensor and the photo sensor, and the invention is not limited thereto.
控制器可選擇性地控制撕離保護膜1a的執行模式，係為了避免保護膜1a在撕膜失敗之後，繼續不必要的撕膜動作。更詳細地說，若是初始撕膜流程(一第一撕膜流程)失敗的話，控制器係根據感測單元的感測結果所傳回的初始狀態，而控制啟動器及撕膜單元驅動器160，以便重新執行初始撕膜流程。若是第一撕膜流程平順地完成的話，控制器即控制去執行一第二撕膜流程。The controller can selectively control the execution mode of the tear-off protective film 1a in order to prevent the protective film 1a from continuing the unnecessary tearing film action after the tear film failure. In more detail, if the initial tear film process (a first tear film process) fails, the controller controls the starter and the tear film unit driver 160 according to the initial state returned by the sensing result of the sensing unit. In order to re-execute the initial tear film process. If the first tear film process is smoothly completed, the controller controls to perform a second tear film process.
請參考圖6及圖9，係描述經由本發明具有上述結構的設備100之操作，將保護膜1a從偏光片1撕離的流程。Referring to FIGS. 6 and 9, a flow of tearing off the protective film 1a from the polarizer 1 by the operation of the apparatus 100 having the above structure of the present invention will be described.
圖6～圖9係表示圖解本發明圖1的設備100之操作的部分側視圖。6 through 9 are partial side views showing the operation of the apparatus 100 of Fig. 1 of the present invention.
首先，請參考圖6，與撕膜單元130結合的設備本體120，係水平地向前移動，即如藉由啟動器而朝向保護膜1a的一端移動。First, referring to FIG. 6, the apparatus body 120 combined with the tear film unit 130 is horizontally moved forward, that is, moved toward one end of the protective film 1a by, for example, an actuator.
再者，請參考圖7，當撕膜單元130位在保護膜1a的一端時，設備本體120即停止移動。在此一位置，撕膜單元驅動器160係將撕膜單元130以Z軸方向降低。由於撕膜單元130的下坡位置，撕膜單元130的按壓滾筒132係按壓黏合帶136，以便黏合帶136黏貼在保護膜1a上。Furthermore, referring to FIG. 7, when the tear film unit 130 is positioned at one end of the protective film 1a, the apparatus body 120 stops moving. At this position, the tear film unit driver 160 lowers the tear film unit 130 in the Z-axis direction. Due to the downhill position of the tear film unit 130, the pressing roller 132 of the tear film unit 130 presses the adhesive tape 136 so that the adhesive tape 136 is adhered to the protective film 1a.
請再參考圖8，由於啟動器的操作，撕膜單元130向後移動△X，而與設備本體120結合。由於此一操作，保護膜1a的一端開始從偏光片1撕離。在此，與第一轉向滾筒134結合的擋止滾筒141，並未接觸固定在設備本體120前側的防轉器142，亦即並未卡固在防轉器142。因此，按壓滾筒132係藉由設備本體120的移動而轉動。於是，可平順地達成撕離保護膜1a一端的初始撕膜流程(第一撕膜流程)。在此，係可參考圖8所示的第一撕膜流程的狀態，亦即保護膜1a整個部分並未完全從偏光片1撕離，而是保護膜1a的一端部分從偏光片1撕離的狀態。Referring again to FIG. 8, due to the operation of the actuator, the tear film unit 130 is moved backward by ΔX to be combined with the apparatus body 120. Due to this operation, one end of the protective film 1a starts to be peeled off from the polarizer 1. Here, the stopper roller 141 coupled to the first steering roller 134 does not contact the anti-rotation device 142 fixed to the front side of the apparatus body 120, that is, is not locked to the anti-rotation device 142. Therefore, the pressing roller 132 is rotated by the movement of the apparatus body 120. Thus, the initial tear film process (first tear film flow) which peels off one end of the protective film 1a can be smoothly achieved. Here, reference may be made to the state of the first tear film flow shown in FIG. 8, that is, the entire portion of the protective film 1a is not completely peeled off from the polarizer 1, but one end portion of the protective film 1a is peeled off from the polarizer 1. status.
之後，請參考圖9，若是經由上述感測單元，確認第一撕膜流程成功地完成者，係藉由撕膜單元驅動器160在Z軸方向將撕膜單元130升起，且在撕膜單元130的上坡位置使設備本體120向後移動。於是，可以完成將保護膜1a的整個部分從偏光片1撕離的第二撕膜流程。更詳細地說，藉由撕膜單元的上坡，將保護膜1a已黏貼在黏合帶136上，且在第一撕離流程時於撕膜單元130下坡位置撕離的一端，從偏光片1舉起。再者，當保護膜1a黏貼在黏合帶136上時，設備本體120即向後移動。因此，完成了將保護膜1a的整個部分從偏光片1撕離的第二撕膜流程。After that, please refer to FIG. 9. If it is confirmed through the above sensing unit that the first tear film process is successfully completed, the tear film unit 130 is raised in the Z-axis direction by the tear film unit driver 160, and the tear film unit is The uphill position of the 130 causes the apparatus body 120 to move rearward. Thus, the second tear film flow for tearing off the entire portion of the protective film 1a from the polarizing plate 1 can be completed. In more detail, by the upslope of the tear film unit, the protective film 1a has been adhered to the adhesive tape 136, and at the end of the tearing process unit at the downhill position of the tear film unit 130, from the polarizer 1 lifted up. Further, when the protective film 1a is adhered to the adhesive tape 136, the apparatus body 120 is moved rearward. Therefore, the second tear film flow for tearing off the entire portion of the protective film 1a from the polarizing plate 1 is completed.
若是第一撕膜流程並未成功，例如由於升起偏光片1而使保護膜1a無法平順地撕離之流程誤差等，設備本體120即停止所有操作，並傳回此初始狀態以重新執行第一撕膜流程。然而，如上所述，在本發明中，可藉由降低按壓滾筒132的直徑，以及縮小初始撕膜角度，使發生在第一撕膜流程的流程誤差大大地降低。因此，由於流程誤差所造成的第一撕膜流程執行次數可以減少，進而改善生產率。If the first tear film process is not successful, for example, the process error of the protective film 1a cannot be smoothly peeled off due to the raising of the polarizer 1, the device body 120 stops all operations, and returns to the initial state to re-execute the first A tear film process. However, as described above, in the present invention, the flow error occurring in the first tear film flow can be greatly reduced by reducing the diameter of the pressing roller 132 and reducing the initial tear film angle. Therefore, the number of executions of the first tear film process due to the flow error can be reduced, thereby improving productivity.
與第一轉向滾筒134結合擋止滾筒141，在撕膜單元130的上坡位置，接觸到固定在設備本體120前側的防轉器142。因此，雖然設備本體120會移動，但可避免按壓滾筒132及第一轉向滾筒134與第二轉向滾筒135的轉動。所以，即使當設備本體120在移動，保護膜1a的一端仍保持黏貼在黏合帶136上。也因此雖然本實施例的設備本體120並不包括***及夾取保護膜1a一端的附加夾持單元，仍可平順地執行將保護膜1a的整個部分從偏光片1撕離的第二撕膜流程。The stopper roller 141 is combined with the first steering roller 134, and the anti-rotation device 142 fixed to the front side of the apparatus body 120 is contacted at the uphill position of the tear film unit 130. Therefore, although the apparatus body 120 is moved, the rotation of the pressing roller 132 and the first steering roller 134 and the second steering roller 135 can be avoided. Therefore, even when the apparatus body 120 is moving, one end of the protective film 1a remains adhered to the adhesive tape 136. Therefore, although the apparatus body 120 of the present embodiment does not include the additional gripping unit that inserts and grips one end of the protective film 1a, the second tear film that tears the entire portion of the protective film 1a away from the polarizer 1 can be smoothly performed. Process.
本實施例已敘述每一撕膜單元包括一按壓滾筒以及二轉向滾筒，但本發明並不以此為限。若是不增加按壓滾筒的直徑，以及不增加實質地捲繞之黏合帶的長度者，每一撕膜單元可包括一個、三個或更多個轉向滾筒。This embodiment has described that each tear film unit includes a pressing roller and two steering rollers, but the invention is not limited thereto. Each tear film unit may include one, three or more steering rollers if the diameter of the pressing roller is not increased and the length of the substantially wound adhesive tape is not increased.
圖10係表示根據本發明另一實施例的一撕膜單元之一透視圖。其與前述的實施例相同元件者，係以相同的元件編號標示。本實施例的敘述係集中在與前述實施例的不同點。Figure 10 is a perspective view showing a tear film unit according to another embodiment of the present invention. The same components as those of the foregoing embodiments are denoted by the same component numbers. The description of this embodiment is focused on differences from the foregoing embodiments.
請參考圖10，本實施例的撕膜單元130-1係包括一按壓件138，以取代圖2所示的按壓滾筒132，而按壓件138具有一前端，係位在一週緣138a，用以按壓黏合帶136。在此，週緣138a係設置在按壓件138的一前端。Referring to FIG. 10, the tear film unit 130-1 of the present embodiment includes a pressing member 138 instead of the pressing roller 132 shown in FIG. 2, and the pressing member 138 has a front end and is fastened at a peripheral edge 138a for The adhesive tape 136 is pressed. Here, the peripheral edge 138a is provided at a front end of the pressing member 138.
黏合帶136係捲繞在按壓件138及第一轉向滾筒134與第二轉向滾筒135，而以一銳角圍繞在按壓件138周圍，以形成一封閉迴路。The adhesive tape 136 is wound around the pressing member 138 and the first steering roller 134 and the second steering roller 135, and surrounds the pressing member 138 at an acute angle to form a closed loop.
按壓件138係設置在第一轉向滾筒134及第二轉向滾筒135之前，且在該組滾筒支撐器133之間與該組滾筒支撐器結合。按壓件138的一下表面係與偏光片1成同一水平面，且按壓件138的一上表面係根據按壓件138的中心，而朝向按壓件138的前端下降，以便形成斜面。The pressing member 138 is disposed before the first steering roller 134 and the second steering roller 135, and is coupled with the set of roller supports between the set of roller supports 133. The lower surface of the pressing member 138 is at the same level as the polarizer 1, and an upper surface of the pressing member 138 is lowered toward the front end of the pressing member 138 in accordance with the center of the pressing member 138 to form a slope.
週緣138a係設置在按壓件138的前端，用以按壓黏合帶136，以便在將保護膜1a從偏光片1撕離時，使黏合帶136黏貼在保護膜1a上。週緣138a係如刀具般的尖銳狀，且週緣138a接觸保護膜1a的部分，係小於前述實施例的按壓滾筒132。The peripheral edge 138a is provided at the front end of the pressing member 138 for pressing the adhesive tape 136 to adhere the adhesive tape 136 to the protective film 1a when the protective film 1a is peeled off from the polarizing plate 1. The peripheral edge 138a is sharp like a tool, and the portion where the peripheral edge 138a contacts the protective film 1a is smaller than the pressing roller 132 of the foregoing embodiment.
本實施例的撕膜單元130-1所包括的按壓件138，係僅接觸到保護膜1a的一小部分，進而減少由升起偏光片1所造成的流程誤差。The pressing member 138 included in the tear film unit 130-1 of the present embodiment contacts only a small portion of the protective film 1a, thereby reducing the flow error caused by raising the polarizing plate 1.
圖11係表示根據本發明該另一實施例的撕膜單元之一透視圖。其與前述的實施例相同元件者，係以相同的元件編號標示。本實施例的敘述係集中在與前述實施例的不同點。Figure 11 is a perspective view showing one of the tear film units according to another embodiment of the present invention. The same components as those of the foregoing embodiments are denoted by the same component numbers. The description of this embodiment is focused on differences from the foregoing embodiments.
請參考圖11本實施例的撕膜單元130-2，係包括一貼合滾筒139，用以取代圖2中的按壓滾筒132以及第一轉向滾筒134與第二轉向滾筒135。Referring to FIG. 11 , the tear film unit 130-2 of the present embodiment includes a bonding roller 139 instead of the pressing roller 132 and the first steering roller 134 and the second steering roller 135 in FIG. 2 .
貼合滾筒139係介在一組滾筒支撐器133之間，而可轉動地與該組滾筒支撐器133結合。一黏合帶可以捲繞在貼合滾筒139的一外表面，或者是一黏合材質可直接地塗佈在貼合滾筒139的外表面上。在此，具有預定黏性的黏合材質塗佈在黏合帶上，以便黏合帶至少可重覆地使用數次。The laminating roller 139 is interposed between the set of roller supports 133 and rotatably coupled to the set of roller supports 133. An adhesive tape may be wound around an outer surface of the bonding roller 139, or an adhesive material may be directly coated on the outer surface of the bonding roller 139. Here, an adhesive material having a predetermined adhesiveness is applied to the adhesive tape so that the adhesive tape can be used at least repeatedly for several times.
一擋止滾筒141係與設置在該組滾筒支撐器133內側的貼合滾筒139兩端結合，以與在滾筒支撐器133外側的貼合滾筒139一同轉動。在此，擋止滾筒141的一外表面係塗佈一橡膠材質，用以當擋止滾筒141接觸防轉器142時，增加與如圖4中的防轉器142之間的摩擦力。A stopper roller 141 is coupled to both ends of the bonding roller 139 provided inside the roller holder 133 to rotate together with the bonding roller 139 outside the roller holder 133. Here, an outer surface of the stopper roller 141 is coated with a rubber material for increasing the frictional force with the anti-rotation device 142 as shown in FIG. 4 when the stopper roller 141 contacts the anti-rotation device 142.
本實施例的撕膜單元130-2包括滾筒卡固單元140，而滾筒卡固單元140係具有一檔止滾筒141及固定在設備本體120前側的防轉器142(圖未示)。因此，可以省略在傳統偏光片貼合設備所必需且結構複雜的夾持單元。於是，設備100的結構可以簡單化，而且可以降低設備100的製造成本。The tear film unit 130-2 of the present embodiment includes a roller fastening unit 140, and the roller fastening unit 140 has a stop roller 141 and an anti-rotation device 142 (not shown) fixed to the front side of the device body 120. Therefore, the holding unit which is necessary and complicated in structure in the conventional polarizer bonding apparatus can be omitted. Thus, the structure of the device 100 can be simplified, and the manufacturing cost of the device 100 can be reduced.
圖12係表示根據本發明一種將偏光片貼合在液晶顯示面板的設備的另一實施例之一局部透視示意圖，圖13係表示本發明圖12的一撕膜單元之一透視圖，圖14係表示本發明圖12的設備之一部分放大透視圖，而圖15係表示本發明沿圖13的A-A線所視的一剖視圖。Figure 12 is a partial perspective view showing another embodiment of the apparatus for bonding a polarizer to a liquid crystal display panel according to the present invention, and Figure 13 is a perspective view showing a tear film unit of Figure 12 of the present invention, Figure 14 1 is a partially enlarged perspective view of the apparatus of FIG. 12 of the present invention, and FIG. 15 is a cross-sectional view of the present invention taken along line AA of FIG.
請同時參考圖12~15，根據本實施例用以將一偏光片貼合到一液晶顯示面板的設備200，係包括一偏光片固定平台210、一設備本體220、若干按壓滾筒232、第一轉向滾筒234、第二轉向滾筒235以及撕膜單元230。偏光片固定平台210係用以固定一偏光片1，而偏光片1的一側係黏貼有一保護膜1a。設備本體220係設置在偏光片固定平台210上表面的區域，以沿著偏光片固定平台210的一表面移動。按壓滾筒232及第一轉向滾筒234與第二轉向滾筒235係用來撕離保護膜1a。撕膜單元230係可分離地與設備本體220結合，並與設備本體220一同移動，以將保護膜1a從偏光片1撕離。Referring to FIG. 12 to FIG. 15 , the device 200 for bonding a polarizer to a liquid crystal display panel according to the embodiment includes a polarizer fixing platform 210 , a device body 220 , and a plurality of pressing rollers 232 , first The steering drum 234, the second steering roller 235, and the tear film unit 230. The polarizer fixing platform 210 is for fixing a polarizer 1, and a protective film 1a is adhered to one side of the polarizer 1. The apparatus body 220 is disposed on an area of the upper surface of the polarizer fixing platform 210 to move along a surface of the polarizer fixing platform 210. The pressing roller 232 and the first steering roller 234 and the second steering roller 235 are used to tear away from the protective film 1a. The tear film unit 230 is detachably coupled to the apparatus body 220 and moved together with the apparatus body 220 to tear the protective film 1a away from the polarizer 1.
請參考圖14，卡固件250係設置在設備本體220前側的上部，以將撕膜單元230從設備本體220拆卸下來。卡固件250係與設備本體220結合，以在Z軸方向(向上及向下)移動一預定距離。卡固件250係卡固在結合凸塊231a(請參考圖13)及從結合凸塊231a解開，以便撕膜單元230可分離地與設備本體220結合。在此，結合凸塊231a係設置在撕膜單元230(將於後詳述)之單元本體231前端的上部。而且，一組扣鈎237係設置在每一單元本體231的背側，以鈎在設置在設備本體220的支撐槓226上。Referring to FIG. 14, the fastener 250 is disposed at an upper portion of the front side of the apparatus body 220 to detach the tear film unit 230 from the apparatus body 220. The fastener 250 is coupled to the apparatus body 220 to move a predetermined distance in the Z-axis direction (upward and downward). The fastener 250 is fastened to the coupling projection 231a (refer to FIG. 13) and uncoupled from the coupling projection 231a, so that the tear film unit 230 is detachably coupled to the apparatus body 220. Here, the coupling projection 231a is provided at an upper portion of the front end of the unit body 231 of the tear film unit 230 (to be described later in detail). Moreover, a set of clasps 237 are provided on the back side of each unit body 231 to be hooked on the support bars 226 provided on the apparatus body 220.
因此，在本實施例中，當在撕膜單元230的單元本體231背側的扣鈎237，鈎在設置在設備本體220的支撐槓226上時，與設備本體220結合的卡固件250則下降，以卡固到結合凸塊231a。所以，撕膜單元230可很容易地與 設備本體220結合。換句話說，撕膜單元230可為輕觸式(one-touch way)而容易地與設備本體220結合。Therefore, in the present embodiment, when the hook 237 on the back side of the unit body 231 of the tear film unit 230 is hooked on the support bar 226 disposed on the device body 220, the fastener 250 combined with the device body 220 is lowered. To be stuck to the bonding bump 231a. Therefore, the tear film unit 230 can be easily The device body 220 is combined. In other words, the tear film unit 230 can be easily combined with the device body 220 in a one-touch way.
在本實施例中，雖然並未以圖式表示，但可以四個撕膜單元230係與設備本體220的前端，以一預定間隔而相結合。但在本發明中，並不以此為限，因此，撕膜單元230的數量可以作不同的選擇。舉例來說，若是保護膜1a係從一較小尺寸的偏光片1撕離的話，則所提供的撕膜單元230數量可以小於數量"4"。若是保護膜1a係從一較大尺寸的偏光片1撕離的話，則所提供的撕膜單元230數量可以大於數量"4"。In the present embodiment, although not shown in the drawings, the four tear film units 230 may be combined with the front end of the apparatus body 220 at a predetermined interval. However, in the present invention, it is not limited thereto, and therefore, the number of tear film units 230 can be selected differently. For example, if the protective film 1a is peeled off from a smaller-sized polarizer 1, the number of tear-off film units 230 may be less than the number "4". If the protective film 1a is peeled off from a larger-sized polarizer 1, the number of tear-off film units 230 may be greater than the number "4".
請同時參考圖13及圖14，本實施例的每一撕膜單元230，係包括單元本體231、一組滾筒支撐器233、按壓滾筒232、以及第一轉向滾筒234與第二轉向滾筒235。滾筒支撐器233係從單元本體231的前側延伸，且相互間隔一距離。按壓滾筒232係設置在滾筒支撐器233的端側。第一轉向滾筒234及第二轉向滾筒235係與按壓滾筒232相間隔而設置。在此，按壓滾筒232及第一轉向滾筒234與第二轉向滾筒235，係介在該組滾筒支撐器233之間，且可轉動地與該組滾筒支撐器233結合。Referring to FIG. 13 and FIG. 14 , each tear film unit 230 of the embodiment includes a unit body 231 , a set of roller supports 233 , a pressing roller 232 , and first and second steering rollers 234 and 235 . The roller supporters 233 extend from the front side of the unit body 231 and are spaced apart from each other by a distance. The pressing roller 232 is provided on the end side of the drum support 233. The first steering roller 234 and the second steering roller 235 are disposed apart from the pressing roller 232. Here, the pressing roller 232 and the first steering roller 234 and the second steering roller 235 are interposed between the set of roller supports 233 and rotatably coupled to the set of roller supports 233.
按壓滾筒232係與該組滾筒支撐器233的下端結合，且第二轉向滾筒235係與滾筒支撐器233的上端結合，以便設置在按壓滾筒232的上方。第一轉向滾筒234係設置在按壓滾筒232及第二轉向滾筒235的後方，以便與滾筒支撐器233結合。因此，按壓滾筒232及第一轉向滾筒234與第二轉向滾筒235係設置呈一三角型結構，以增加黏合 帶236接觸保護膜1a的表面區域，而不需增加按壓滾筒232的直徑。The pressing roller 232 is coupled to the lower end of the set of roller supports 233, and the second steering roller 235 is coupled to the upper end of the roller support 233 so as to be disposed above the pressing roller 232. The first steering roller 234 is disposed behind the pressing roller 232 and the second steering roller 235 to be coupled with the roller support 233. Therefore, the pressing roller 232 and the first steering roller 234 and the second steering roller 235 are arranged in a triangular shape to increase the adhesion. The belt 236 contacts the surface area of the protective film 1a without increasing the diameter of the pressing roller 232.
塗佈有黏性的一黏合材質的黏合帶236，係以一三角型結構捲繞在按壓滾筒232及第一轉向滾筒234與第二轉向滾筒235上，以便形成一封閉迴路。在此，黏合帶236係可捲繞一次，但亦可捲繞二次或多次，以避免容易地從按壓滾筒232及第一轉向滾筒234與第二轉向滾筒235分離。The adhesive tape 236 coated with a viscous adhesive material is wound around the pressing roller 232 and the first steering roller 234 and the second steering roller 235 in a triangular structure to form a closed loop. Here, the adhesive tape 236 may be wound once, but may be wound two or more times to avoid easy separation from the pressing roller 232 and the first steering roller 234 and the second steering roller 235.
於是，在本實施例的每一撕膜單元230中，按壓滾筒232及第一轉向滾筒234與第二轉向滾筒235係設置呈一三角型結構。因此，可縮減接觸保護膜1a的按壓滾筒232的直徑，且增加黏合帶236的長度，以便降低流程誤差與增長撕膜單元230的使用壽命。Therefore, in each tear film unit 230 of the present embodiment, the pressing roller 232 and the first steering roller 234 and the second steering roller 235 are disposed in a triangular configuration. Therefore, the diameter of the pressing roller 232 contacting the protective film 1a can be reduced, and the length of the adhesive tape 236 can be increased to reduce the flow error and increase the service life of the tear film unit 230.
請參考圖15，本實施例的每一撕膜單元230，進一步包括一張力調整器240，係設置在該組滾筒支撐器233，以調整黏合帶236的張力。Referring to FIG. 15, each tear film unit 230 of the present embodiment further includes a force adjuster 240 disposed on the set of roller supports 233 to adjust the tension of the adhesive tape 236.
如圖15所示，張力調整器240係包括一構槽部241、一彈簧242以及一擋止栓243。溝槽部241係連接到第一轉向滾筒234的一軸桿。彈簧242係***到溝槽部241而彈性地偏向第一轉向滾筒234，以便第一轉向滾筒234與按壓滾筒232相隔一段距離。擋止栓234係可轉動地與溝槽部241的一開口結合，以調整彈簧242的彈性。若干軸孔244係設置在滾筒支撐器上233。在此，軸孔244係為水平直徑大於垂直直徑的長形孔，以便第一轉向滾筒234的軸桿依據單元本體231，而向前及向後移動。第一轉向 滾筒234的軸桿係鎖固在由於軸孔244的形狀所造成的一間隔，係位在彈簧242相對於單元本體231彈性地偏向第一轉向滾筒234的彈力，以與黏合帶236的張力相互平衡的一位置。因此，黏合帶236可維持其張力，以完全地黏貼在按壓滾筒232上，而沒有皺摺。As shown in FIG. 15, the tension adjuster 240 includes a groove portion 241, a spring 242, and a stopper bolt 243. The groove portion 241 is coupled to a shaft of the first steering drum 234. The spring 242 is inserted into the groove portion 241 to be elastically biased toward the first steering roller 234 such that the first steering roller 234 is spaced apart from the pressing roller 232 by a distance. The stopper bolt 234 is rotatably coupled to an opening of the groove portion 241 to adjust the elasticity of the spring 242. A plurality of axle holes 244 are provided on the roller support 233. Here, the shaft hole 244 is an elongated hole having a horizontal diameter larger than the vertical diameter, so that the shaft of the first steering roller 234 moves forward and backward according to the unit body 231. First turn The shaft of the drum 234 is locked at an interval due to the shape of the shaft hole 244, and the spring force of the spring 242 is elastically biased toward the first steering roller 234 with respect to the unit body 231 so as to interact with the tension of the adhesive tape 236. A position of balance. Therefore, the adhesive tape 236 can maintain its tension to completely adhere to the pressing roller 232 without wrinkles.
請參考圖12，本實施例的設備200進一步包括一撕膜單元驅動器260及複數個膜支撐刀具270。撕膜單元驅動器260係用以升高及下降設置在設備本體220上的撕膜單元230。膜支撐刀具270係用以支撐保護膜1a，當保護膜1a從偏光片1撕離時，以便平坦地展開保護膜1a。Referring to FIG. 12, the apparatus 200 of the present embodiment further includes a tear film unit driver 260 and a plurality of film support cutters 270. The tear film unit driver 260 is used to raise and lower the tear film unit 230 disposed on the apparatus body 220. The film supporting blade 270 is for supporting the protective film 1a to peel the protective film 1a flat when the protective film 1a is peeled off from the polarizing plate 1.
撕膜單元驅動器260係驅動撕膜單元230，以便撕膜單元230的按壓滾筒232接近，並與黏貼到偏光片1的保護膜1a相隔一距離。撕膜單元驅動器260包括上升及下降軌道261及發電器(圖未示)，上升及下降軌道261係與撕膜單元230結合，以升起或降下撕膜單元230，發電器係提供電力並藉由上升及下降軌道261，以升起及降下撕膜單元230。The tear film unit driver 260 drives the tear film unit 230 so that the pressing roller 232 of the tear film unit 230 approaches and is spaced apart from the protective film 1a adhered to the polarizer 1. The tear film unit driver 260 includes rising and falling rails 261 and a power generator (not shown). The rising and falling rails 261 are combined with the tear film unit 230 to raise or lower the tear film unit 230, and the power generator system provides power and borrows. The tear film unit 230 is raised and lowered by the ascending and descending tracks 261.
黏合帶236係接觸保護膜1a，以便將黏合帶236定位在撕膜單元230的按壓滾筒232及保護膜1a之間。之後，設備本體220藉由啟動器(圖未示)而向後移動。既然如此，當保護膜1a從偏光片1撕離時，可將保護膜1a的一部分摺疊。此一現象係顯著地發生於定位在相互間隔設置的撕膜單元230之間的一保護膜1a的區域。若是保護膜1a係部分地摺疊而從偏光片1撕離，保護膜1a則無法平 順地撕離，且在撕離保護膜1a時，偏光片1可能會因為保護膜1a的摺疊部分而損傷。The adhesive tape 236 is in contact with the protective film 1a to position the adhesive tape 236 between the pressing roller 232 of the tear film unit 230 and the protective film 1a. Thereafter, the device body 220 is moved backward by a starter (not shown). In this case, when the protective film 1a is peeled off from the polarizing plate 1, a part of the protective film 1a can be folded. This phenomenon occurs remarkably in the region of a protective film 1a positioned between the tear film units 230 which are spaced apart from each other. If the protective film 1a is partially folded and peeled off from the polarizer 1, the protective film 1a cannot be flattened. It is peeled off smoothly, and when the protective film 1a is peeled off, the polarizer 1 may be damaged by the folded portion of the protective film 1a.
膜支撐刀具270係避免在撕離保護膜1a時，摺疊到保護膜1a的部分。膜支撐刀具270係與設備本體220的下部結合，而當設備本體220移動時，膜支撐刀具270與其一同移動。膜支撐刀具270係設置在一平坦結構，且與設備本體220結合，以便相對於水平面傾斜一預定角度。因此，當保護膜1a從偏光片1撕離時，保護膜1a係由膜支撐刀具270所支撐，以便保護膜1a能平坦地展開，而不會皺摺。在此，膜支撐刀具270可以自由地傾斜成一相對位置，或者是可以由附加的傾斜控制器(圖未示)所控制。The film supporting blade 270 is for avoiding folding to the portion of the protective film 1a when the protective film 1a is peeled off. The membrane support cutter 270 is coupled to the lower portion of the apparatus body 220, and as the apparatus body 220 moves, the membrane support cutter 270 moves therewith. The film supporting cutter 270 is disposed in a flat structure and combined with the apparatus body 220 so as to be inclined by a predetermined angle with respect to the horizontal plane. Therefore, when the protective film 1a is peeled off from the polarizing plate 1, the protective film 1a is supported by the film supporting blade 270 so that the protective film 1a can be flatly spread without wrinkles. Here, the membrane support cutter 270 can be freely tilted into a relative position or can be controlled by an additional tilt controller (not shown).
請參考圖12，設備200進一步包括複數個夾持器280，係與設備本體220結合，以拋棄已從偏光片1撕離之保護膜1a。複數個夾持器280係分別與夾持器支撐架282結合，而夾持器支撐架282係從設備本體220凸伸。在此，係根據一控制訊號，而使夾持器280接近並與夾持器支撐架282相間隔。因此，在一初始狀態中，如圖17所示，夾持器280係與夾持器支撐架282相間隔設置。然而，在圖17中，當拋棄已撕離的保護膜1a時，夾持器280係接近夾持器支撐架282。而藉由線性馬達、汽缸或是相類似的裝置，而可容易地移動夾持器280，所以省略了對於夾持器280的詳細敘述。在本實施例中，夾持器280係設置在複數個撕膜單元230之間。Referring to FIG. 12, the apparatus 200 further includes a plurality of holders 280 coupled to the apparatus body 220 to discard the protective film 1a that has been peeled off from the polarizer 1. A plurality of holders 280 are respectively coupled to the holder support frame 282, and the holder support frame 282 is projected from the apparatus body 220. Here, the gripper 280 is brought close to and spaced from the gripper support frame 282 according to a control signal. Therefore, in an initial state, as shown in FIG. 17, the holder 280 is spaced apart from the holder support frame 282. However, in FIG. 17, when the peeled protective film 1a is discarded, the holder 280 is brought close to the holder support frame 282. The holder 280 can be easily moved by a linear motor, a cylinder or the like, so that a detailed description of the holder 280 is omitted. In the present embodiment, the holder 280 is disposed between the plurality of tear film units 230.
在本實施例的設備200進一步包括一感測單元(圖未示)以及一控制器(圖未示)。感測單元係感測是否已經撕 離保護膜1a。控制器係可依據感測單元的感測結果，而選擇性地控制撕離保護膜1a的執行模式。感測單元及控制器的結構與功能，係與先前實施例的設備100的感測單元及控制器大致相同。因此，在此省略其詳細的描述。The device 200 in this embodiment further includes a sensing unit (not shown) and a controller (not shown). The sensing unit senses whether it has been torn Separated from the protective film 1a. The controller can selectively control the execution mode of the tear-off protective film 1a according to the sensing result of the sensing unit. The structure and function of the sensing unit and the controller are substantially the same as those of the sensing unit and controller of the device 100 of the previous embodiment. Therefore, a detailed description thereof is omitted here.
請參考圖16及圖17，係描述在本實施例中，經由具有上述結構的設備200的操作，已將保護膜1a從偏光片1撕離的流程。Referring to FIGS. 16 and 17, a flow in which the protective film 1a has been peeled off from the polarizer 1 has been described in the present embodiment via the operation of the apparatus 200 having the above configuration.
如圖16所示，與撕膜單元230相結合的設備本體220，藉由啟動器的操作，而朝向保護膜1a的一端水平地移動。As shown in Fig. 16, the apparatus body 220 combined with the tear film unit 230 is horizontally moved toward one end of the protective film 1a by the operation of the actuator.
當撕膜單元230係定位在保護膜1a一端的周圍時，設備本體220即停止移動。在此一位置，撕膜單元230係藉由撕膜單元驅動器260，在Z軸方向降下。由於撕膜單元230的下坡，使撕膜單元230的按壓滾筒232按壓黏合帶236，以便黏合帶236黏貼在保護膜1a上。在此，膜支撐刀具270在按壓滾筒232之後的Z軸方向係傾斜一預定角度，也因此接觸到保護膜1a，以便保持保護膜1a的平坦而沒有皺摺。When the tear film unit 230 is positioned around one end of the protective film 1a, the apparatus body 220 stops moving. At this position, the tear film unit 230 is lowered in the Z-axis direction by the tear film unit driver 260. Due to the downslope of the tear film unit 230, the pressing roller 232 of the tear film unit 230 is pressed against the adhesive tape 236 so that the adhesive tape 236 is adhered to the protective film 1a. Here, the film supporting blade 270 is inclined by a predetermined angle in the Z-axis direction after pressing the roller 232, and thus also contacts the protective film 1a so as to keep the flat of the protective film 1a without wrinkles.
藉由啟動器的操作，與撕膜單元230結合的設備本體220向後移動一小距離。由於此一操作，保護膜1a的一端係開始從偏光片1撕離。在此，按壓滾筒232係藉由設備本體220的移動而轉動，也因此順利地完成撕離保護膜1a的初始流程(一第一撕膜流程)。By the operation of the actuator, the apparatus body 220 combined with the tear film unit 230 is moved backward by a small distance. Due to this operation, one end of the protective film 1a starts to be peeled off from the polarizer 1. Here, the pressing roller 232 is rotated by the movement of the apparatus body 220, and thus the initial flow of tearing off the protective film 1a (a first tearing film flow) is smoothly completed.
如圖17所示，若是感測單元測定第一撕膜流程已經成功，則設置在撕膜單元230之間的夾持器280，會輕拍已經在第一撕膜流程完成的保護膜1a的一端。當如上所述， 藉由夾持器280輕拍保護膜1a的一端時，藉由撕膜單元驅動器260，在Z軸方向將撕膜單元230升起。再者，設備本體220在撕膜單元230的上坡位置向後移動。因此，即可完成完全地從偏光片1將保護膜1a的整個部分撕離的一第二撕膜流程。As shown in FIG. 17, if the sensing unit determines that the first tear film process has been successful, the holder 280 disposed between the tear film units 230 pats the protective film 1a that has been completed in the first tear film process. One end. When mentioned above, When one end of the protective film 1a is tapped by the holder 280, the tear film unit 230 is raised in the Z-axis direction by the tear film unit driver 260. Furthermore, the apparatus body 220 moves rearward at the uphill position of the tear film unit 230. Therefore, a second tear film process which completely tears off the entire portion of the protective film 1a from the polarizer 1 can be completed.
若是第一撕膜流程無法成功的話，例如由於升起偏光片1造成保護膜1a無法平順地撕離的流程誤差，設備本體220會停止在此一狀態的所有操作，並回到初始狀態以重新執行第一撕膜流程。If the first tear film process cannot be successful, for example, due to the process error that the protective film 1a cannot be smoothly peeled off due to the rise of the polarizer 1, the device body 220 stops all operations in this state and returns to the initial state to re- Perform the first tear film process.
在本實施例中已敘述到，每一撕膜單元230包括一按壓滾筒232，以及第一轉向滾筒234與第二轉向滾筒235，但在本發明中，並不以此為限。若是增長黏合帶捲繞在撕膜單元上的長度，而不需增加按壓滾筒的直徑的話，撕膜單元可以包括一個、三個或者是多個轉向滾筒。It has been described in the present embodiment that each tear film unit 230 includes a pressing roller 232, and a first steering roller 234 and a second steering roller 235, but it is not limited thereto in the present invention. The tear film unit may include one, three or a plurality of steering rollers if the length of the growth adhesive tape is wound on the tear film unit without increasing the diameter of the pressing roller.
而且，在本實施例中，結合凸塊231a係設置在撕膜單元230的單元本體231上，且卡固件250係設置在設備本體220上，但本發明並不以此為限。結合凸塊亦可以設置在設備本體上，而卡固件設置在撕膜單元的單元本體上。Moreover, in the present embodiment, the coupling protrusion 231a is disposed on the unit body 231 of the tear film unit 230, and the fastener 250 is disposed on the apparatus body 220, but the invention is not limited thereto. The bonding bumps may also be disposed on the apparatus body, and the fasteners are disposed on the unit body of the tear film unit.
綜上所述，乃僅記載本發明為呈現解決問題所採用的技術手段之較佳實施方式或實施例而已，並非用來限定本發明專利實施之範圍。即凡與本發明專利申請範圍文義相符，或依本發明專利範圍所做的均等變化與修飾，皆為本發明專利範圍所涵蓋。In summary, the present invention is only described as a preferred embodiment or embodiment of the technical means for solving the problem, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.
1‧‧‧偏光片1‧‧‧ polarizer
1a‧‧‧保護膜1a‧‧‧Protective film
100‧‧‧將偏光片貼合到液晶顯示面板的設備100‧‧‧A device for attaching a polarizer to a liquid crystal display panel
110‧‧‧偏光片固定平台110‧‧‧ polarizer fixed platform
120‧‧‧設備本體120‧‧‧Device body
130‧‧‧撕膜單元130‧‧‧Tear film unit
130-1‧‧‧撕膜單元130-1‧‧‧Tear film unit
130-2‧‧‧撕膜單元130-2‧‧‧Tear film unit
131‧‧‧單元本體131‧‧‧ unit ontology
131a‧‧‧結合凸塊131a‧‧‧bonding bumps
132‧‧‧按壓滾筒132‧‧‧Press roller
132a‧‧‧樹脂軸承132a‧‧‧Resin bearing
132b‧‧‧支撐軸132b‧‧‧Support shaft
133‧‧‧滾筒支撐器133‧‧‧Roller support
133a‧‧‧前端133a‧‧‧ front end
134‧‧‧第一轉向滾筒134‧‧‧First steering roller
135‧‧‧第二轉向滾筒135‧‧‧Second steering roller
136‧‧‧黏合帶136‧‧‧Adhesive tape
138‧‧‧按壓件138‧‧‧Press parts
138a‧‧‧週緣138a‧‧‧ Periphery
139‧‧‧貼合滾筒139‧‧‧Adhesive roller
140‧‧‧滾筒卡固單元140‧‧‧Roller unit
141‧‧‧擋止滾筒141‧‧‧stop roller
142‧‧‧防轉器142‧‧‧Anti-rotation device
142a‧‧‧斜面142a‧‧‧Bevel
142b‧‧‧斜面142b‧‧‧ Bevel
150‧‧‧卡固件150‧‧‧ card firmware
160‧‧‧撕膜單元驅動器160‧‧‧Tear film unit driver
170‧‧‧膜支撐器170‧‧‧Film supporter
200‧‧‧將偏光片貼合到液晶顯示面板的設備200‧‧‧A device for attaching a polarizer to a liquid crystal display panel
210‧‧‧偏光片固定平台210‧‧‧ polarizer fixed platform
220‧‧‧設備本體220‧‧‧Device body
226‧‧‧支撐槓226‧‧‧Support bars
230‧‧‧撕膜單元230‧‧‧Tear film unit
231‧‧‧單元本體231‧‧‧ Unit Ontology
231a‧‧‧結合凸塊231a‧‧‧bonding bumps
232‧‧‧按壓滾筒232‧‧‧Press roller
233‧‧‧滾筒支撐器233‧‧‧Roller support
234‧‧‧第一轉向滾筒234‧‧‧First steering roller
235‧‧‧第二轉向滾筒235‧‧‧Second steering roller
236‧‧‧黏合帶236‧‧‧Adhesive tape
237‧‧‧扣鈎237‧‧‧ hook
240‧‧‧張力調整器240‧‧‧ Tension adjuster
241‧‧‧溝槽部241‧‧‧ Groove
242‧‧‧彈簧242‧‧ ‧ spring
243‧‧‧擋止栓243‧‧‧stop bolt
244‧‧‧軸孔244‧‧‧Axis hole
250‧‧‧卡固件250‧‧‧ card firmware
260‧‧‧撕膜單元驅動器260‧‧‧Tear film unit driver
261‧‧‧上升及下降軌道261‧‧‧ rising and falling orbit
270‧‧‧膜支撐刀具270‧‧‧membrane support tool
280‧‧‧夾持器280‧‧‧ gripper
282‧‧‧夾持器支撐架282‧‧‧Clamp holder
α‧‧‧初始撕膜角度α‧‧‧Initial tear film angle
圖1 係表示根據本發明一種將偏光片貼合在液晶顯示面板的設備的一實施例之一局部透視示意圖；圖2 係表示本發明圖1之一撕膜單元的一部份透視圖；圖3 係表示本發明一實施例中圖解一初始剝離角度的一示意圖；圖4 係表示本發明從圖1的設備中之撕膜單元的一上升位置所視的一部分放大透視圖；圖5 係表示本發明從圖1的設備中之撕膜單元的一下降位置所視的一部分放大透視圖；圖6~9 係表示圖解本發明圖1的設備之操作的部分側視圖；圖10係表示根據本發明另一實施例的一撕膜單元之一透視圖；圖11係表示根據本發明該另一實施例的撕膜單元之一透視圖；圖12係表示根據本發明一種將偏光片貼合在液晶顯示面板的設備的另一實施例之一局部透視示意圖；圖13係表示本發明圖12的一撕膜單元之一透視圖；圖14係表示本發明圖12的設備之一部分放大透視圖；圖15係表示本發明沿圖13的A-A線所視的一剖視圖；圖16係表示圖解本發明圖12的設備之操作的一部分側視圖；以及圖17係表示圖解本發明圖12的設備之操作的一部分側視圖。1 is a partial perspective view showing an embodiment of an apparatus for bonding a polarizer to a liquid crystal display panel according to the present invention; and FIG. 2 is a partial perspective view showing a tear film unit of FIG. 1 of the present invention; 3 is a schematic view showing an initial peeling angle in an embodiment of the present invention; and FIG. 4 is a partially enlarged perspective view of the present invention as seen from a rising position of the tear film unit in the apparatus of FIG. 1; A partially enlarged perspective view of the present invention from a lowered position of the tear film unit of the apparatus of Fig. 1; Figs. 6-9 are partial side views illustrating the operation of the apparatus of Fig. 1 of the present invention; 1 is a perspective view of a tear film unit according to another embodiment of the present invention; FIG. 11 is a perspective view showing a tear film unit according to another embodiment of the present invention; and FIG. 12 is a view showing a polarizing film attached thereto according to the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 13 is a perspective view showing a tear film unit of FIG. 12 of the present invention; FIG. 14 is a partial enlarged view of a device of FIG. 12 of the present invention; Figure 15 is a cross-sectional view of the present invention taken along line AA of Figure 13; Figure 16 is a side elevational view showing the operation of the apparatus of Figure 12 of the present invention; and Figure 17 is a diagram showing the apparatus of Figure 12 of the present invention. Part of the side view of the operation.
100‧‧‧將偏光片貼合到液晶顯示面板的設備100‧‧‧A device for attaching a polarizer to a liquid crystal display panel
110‧‧‧偏光片固定平台110‧‧‧ polarizer fixed platform
120‧‧‧設備本體120‧‧‧Device body
130‧‧‧撕膜單元130‧‧‧Tear film unit
140‧‧‧滾筒卡固單元140‧‧‧Roller unit
141‧‧‧擋止滾筒141‧‧‧stop roller
142‧‧‧防轉器142‧‧‧Anti-rotation device
150‧‧‧卡固件150‧‧‧ card firmware
160‧‧‧撕膜單元驅動器160‧‧‧Tear film unit driver
170‧‧‧膜支撐器170‧‧‧Film supporter
Claims (30)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070043529A KR100882210B1 (en) | 2007-05-04 | 2007-05-04 | Apparatus For Attaching Polarizer To LCD Panel |
| KR1020070066179A KR100840985B1 (en) | 2007-07-02 | 2007-07-02 | Apparatus for attaching polarizer to lcd panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200844547A TW200844547A (en) | 2008-11-16 |
| TWI386704B true TWI386704B (en) | 2013-02-21 |
Family
ID=44822645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW97115770A TWI386704B (en) | 2007-05-04 | 2008-04-29 | Apparatus for attaching polarizer to lcd panel |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI386704B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5953071B2 (en) * | 2012-03-02 | 2016-07-13 | 株式会社ブイ・テクノロジー | Polarizing film laminating device |
| KR101546068B1 (en) * | 2014-08-14 | 2015-08-20 | 주식회사 엘지화학 | Bar for peeling off polarizing film from panel, apparatus and method using the same |
| CN109894835A (en) * | 2019-03-26 | 2019-06-18 | 东莞市爱康电子科技有限公司 | A kind of assembling equipment of mobile phone camera diamante |
Citations (8)
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|---|---|---|---|---|
| JPS5785026A (en) * | 1980-11-17 | 1982-05-27 | Hitachi Ltd | Liquid crystal display device |
| JPH06281926A (en) * | 1993-03-29 | 1994-10-07 | Fujitsu Ltd | Formation of color filter for liquid crystal display panel |
| US6549262B2 (en) * | 2000-12-26 | 2003-04-15 | Quanta Display Inc. | In-line operation system and flow plan for manufacturing liquid crystal display |
| JP2003121826A (en) * | 2001-10-19 | 2003-04-23 | Toppan Printing Co Ltd | Hologram reflection plate and reflection type liquid crystal display device using the reflection plate |
| JP2003288164A (en) * | 2001-12-27 | 2003-10-10 | Lg Phillips Lcd Co Ltd | Producing method of liquid crystal display device integrated with film-type touch panel |
| US6809783B2 (en) * | 2001-12-31 | 2004-10-26 | Boe-Hydis Technology Co., Ltd. | Conductive polarizer of liquid crystal display device |
| US20040252265A1 (en) * | 2003-06-12 | 2004-12-16 | Ma Jung Ho | Liquid crystal display |
| TWI267666B (en) * | 2005-12-16 | 2006-12-01 | Discovery High Technology Co L | Polarized-film attaching machine |
-
2008
- 2008-04-29 TW TW97115770A patent/TWI386704B/en not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5785026A (en) * | 1980-11-17 | 1982-05-27 | Hitachi Ltd | Liquid crystal display device |
| JPH06281926A (en) * | 1993-03-29 | 1994-10-07 | Fujitsu Ltd | Formation of color filter for liquid crystal display panel |
| US6549262B2 (en) * | 2000-12-26 | 2003-04-15 | Quanta Display Inc. | In-line operation system and flow plan for manufacturing liquid crystal display |
| JP2003121826A (en) * | 2001-10-19 | 2003-04-23 | Toppan Printing Co Ltd | Hologram reflection plate and reflection type liquid crystal display device using the reflection plate |
| JP2003288164A (en) * | 2001-12-27 | 2003-10-10 | Lg Phillips Lcd Co Ltd | Producing method of liquid crystal display device integrated with film-type touch panel |
| US6809783B2 (en) * | 2001-12-31 | 2004-10-26 | Boe-Hydis Technology Co., Ltd. | Conductive polarizer of liquid crystal display device |
| US20040252265A1 (en) * | 2003-06-12 | 2004-12-16 | Ma Jung Ho | Liquid crystal display |
| TWI267666B (en) * | 2005-12-16 | 2006-12-01 | Discovery High Technology Co L | Polarized-film attaching machine |
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| Publication number | Publication date |
|---|---|
| TW200844547A (en) | 2008-11-16 |
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