201022763 六、發明說明： C 明所屬 領;^ 3 【技術領域】 本發明係有關於利用偏光之液晶顯示面板之修復方 法，更詳而言之，係有關於利用偏光變換機構將雷射光之 直線偏光變換為旋轉偏光（圓偏光或橢圓偏光），有效地修復 液晶顯示面板之不良像素的方法。201022763 VI. Description of the Invention: C. The subject of the invention is related to the repair method of the liquid crystal display panel using polarized light, and more specifically, the straight line of the laser light using the polarization conversion mechanism The method of converting polarized light into rotationally polarized light (circularly polarized light or elliptically polarized light) to effectively repair defective pixels of the liquid crystal display panel.
【先前技術3 【背景技術】 最近，隨著如行動電話、筆記型電腦、PDA(個人數位 助理）及大型TV之顯示器的需要增加，有關輕薄之平板顯示 器（Flat Panel Display)之技術的發展亦不斷進步。 此種平板顯示器中，用於液晶顯示器（LCD)之液晶顯示 面板係利用液晶（LC)之雙折射性與偏光板之偏光性而作成 之次世代顯示器裝置。 第1圖是簡略顯示液晶顯示面板之一部份像素的戴面 圖0 如第1圖所示 狀曰日顯示面板具有下部基板10與上部基 ㈣互相對向封接（密封)之形態，該下部基板10係依序形i 有薄膜電晶體1卜像素電極12及下部背膜（圖未示），且該上 部基板20係依序形成有黑矩陣21、遽色片22、共用電極^ =上《膜（圖未示）。此時，液晶3崎人該等基板1〇、2〇 空間，且下部基板10與上部基板20之外側分別附 有偏光方向不_如，爾)之上部/下部偏光板40、41， 3 201022763 可控制光之透過。 更洋而言之’基板10、20之間封入精像素電極12與共 用電極23間之電壓變化來控制光之偏光變換的液晶，以調 節透光率。又，基板10、20之外側分別附著有偏光方向互 相直交之上部/下部偏光板40、41，以進行經偏光後之光之 透過的開/關（ΟΝ/OFF)。 控制此種液晶3 0之狀態的電壓係藉含有薄膜電晶體i χ 之驅動部a來控制，且由下部背光（圖未示）提供之光可通過 透光部b透過至外部。 另一方面，液晶顯示面板可讓特定波長之光充分地透 過，而其他波長之光則藉具有遮斷特性之濾色片22以彩色 顯示。舉例而言，利用R濾色片讓紅色光充分地透過且不讓 其他波長的光充分地透過、G濾色片讓綠色光充分地透過且 不讓其他波長的光充分地透過、B濾色片讓藍色光充分地透 過且不讓其他波長的光充分地透過之原理，可以控制以矩 陣形態配置之各像素之R、G、B，實現全彩顯示。 在以上之液晶顯示面板中，判斷像素是否不良之基準 係液晶顯示面板所含之不良像㈣數目。不良像素可分為 亮點像素與暗點像素，且通常所容許之亮點像素數目比暗 點像素數目來得嚴格。基於此種理由，可以使亮點像素暗 點化來提高液晶顯示面板之良率。例如，若完全不容許亮 點像素而容許最多1個暗點像素，則在具有—個亮點像素之 液晶顯示面板巾’當將絲像纽變為暗祕素時，液晶 顯示面板可成為正常面板。 201022763 用以如此將亮點像素暗點化之方法大致區別為將雷射 照射至黑矩陣將黑矩_化，再將熔化之黑矩陣物質誘導 至”物方’將冗點像素暗點化的方法；及將雷射直接照射 於光透過區域之;慮色片，使璩色片之顏色變色成黑色，將 亮點像素暗點化的方法。 以下具體地說明使遽色片之顏色變色之修復方法作為 一例0 第2圖係顯示修復習知液晶顯示面板之不良像素之製 程的圖。 如第2圖所不’修復液晶顯示面板之不良像素之裝置可 包含光源5G、光傳送部6〇、聚光部7㈣構成，且由光源％ 產生之光係經由光傳送部6G之衰減器61來調節功率。 "接者，經過直線偏光變換部62時，被變換為與上部偏 光板41同-方向之錄偏光，且卿光㈣可透過液晶顯 不面板之上部偏光板41直接地照射於濾色片22。此時，由 於直線偏光變換部62具有—與上部偏光板_—方向之偏 光子’故在輕㈣過上部偏光板41後，可照射於濾色片22 層，進行將顏色變色為黑色之像素暗點化。 在如此利用直線偏光之修復方法中，若上部偏光⑽ 與通過上部偏光板41之直線偏光之電場振財向未正確地 一致，則無法獲得優異之效率，但是，若實際上仔細考量 製作偏光板時之製程誤差與修復裝置本身之裝備誤差，則 直線偏光均一地通過液晶顯示面板之偏光板是困難的。 t發明内容3 5 201022763 【發明概要】 【發明欲解決之問題】 為了解決前述先前技術之種種問題點而作成之本發 明’其目的係提供將直線偏光變換為圓偏光，” 有效地暗點化之利用偏光之液晶顯示器之修復方法。义、 又，本發明之另-目的係提供將直線偏光變換 偏光，將不良像素有效地暗點化之彻偏光 之修復方法。 ，夜曰曰顯不器 【用以解決問題之手段】 為了達成前述目的之本發明的代表性構造如下。 本發明之目的係藉液晶顯示面板修復方法達成。，其特 徵在於包含··⑷將由光源產生之光變換為直線偏光ς步 驟Μ將前述直線偏紐換為_偏光之步驟；及⑷使前 述旋轉偏光通過液晶顯示面板之偏光板，去除像素之透光 性的步驟。 在此，前述旋轉偏光宜為橢圓偏光。 又’前述光源之波長最好是由400至532nm。 此外，前述光源最好是連續雷射。 再者’較佳地，在前述(c)步驟中去除像素之透光性的 方法係將前述旋轉偏光照射於前述液晶顯示面板之濾色 片’或將前述旋轉偏光照射於前述液晶顯示面板之黑矩陣。 【發明效果】 藉本發明，可以將直線偏光變換為圓偏光，有效地去 除不良像素之透光性。 6 201022763 又，藉本發明，可以將直線偏光變換為橢圓偏光，更 有效地去除不良像素之透光性。 此外，藉本發明，具有可以利用前述圓偏光與橢圓偏 光提高修復良率之效果。 【圖式簡單說明】 【第1圖】係截面圖，簡略顯示液晶顯示面板之一部份 像素。 【第2圖】係概略圖’顯示修復習知液晶顯示面板之不 良像素之製程。 【第3圖】係構造圖’顯示本發明一實施形態之修復液 晶顯示面板之不良像素之裝置一部份。 【第4圖】係立體圖’顯示實現本發明一實施形態之修 復液晶顯示面板之不良像素之裝置之例。 【第5圖】係方塊圖，顯示實現第4圖之光學部分之例。 【第6圖】係顯不每種照射光透過偏光板之光狀態的 圖。 【第7圖】係概略圖’顯示本發明實驗例工之修復液晶 顯示面板之不良像素的製程。 【第8圖】係概略圖’顯示本發明實驗例2之修復液晶 顯示面板之不良像素的製程。 【第9圖】得、有關本發明實驗例i、2及比較例之液晶顯 示面板之像素的照片。 【第10圖】係顯不每-第9圖之像素之透過度產生之色 相差的照片。 7 201022763 【實施冷式】 【用以實施發明之县a 、 牧最佳形態】 糾闰m M可實施本發明之特定實施形態為例，參照添 附圖式細說明士 本發明。後述之該等實施形態詳細說明， 使所技術項域中具有通常知識者可以充分地實施。在此 =解的是_本發明之多種實施形態互相不同但是不 必疋互相排他的。如1 例如’在不偏離本發明之技術思想及其 範圍的情形下，可 J U興一貫施形態相關地體現在此記載之 特定形狀、構造;5姓u b 及特性，作為其他實施形態。又，在此應 了解的是在此揭露之各個實施财在不偏離本發明之 m'及其範_情形下’可以變更侧構成元件之位 置或配置。因此’後述詳細說明不具有限定之意味，且如 明’則可藉記載於其請求項之與本發明 均等之全。卩技術範圍及附加之中請專利範圍來決定本發明 技術的範圍。 第3圖是構成圖’顯示本發明一實施形態之修復液晶顯 示面板之不良像素之裝置的一部份。 如第3圖所示’本發明之一實施形態之修復液晶顯示面 板之不良像素的骏置可包含光源1〇〇、光傳送部2〇〇及聚光 部300而構成。 首先’本發明之一實施形態之光源1〇〇最好是可達成射 出光之機能的裝置，射出波長、相位均一之光，且使用傳 送性優異之雷射光作為光源。此時，在本發明中使用之雷 射可使用連續雷射或脈衝雷射之任一者，且雷射之波長範 201022763 圍為大約400〜532nm時，濾色片之物性容易發生變化而波 及液晶顯示面板之其他部份的影響會變得更小。因此，為 了進一步抑制偏光板之損傷，雷射之波長範圍最好為大約 400~532nm。 接著，本發明之一實施形態之光傳送部2〇〇係可達成藉 多數光學機構將由光源100產生之光變換為直線偏光，且^ 該直線偏光再變換為如圓偏光或橢圓偏光之旋轉偏光來傳 送之機能的裴置。 更詳而言之，光傳送部200可包含調節光輸出之衰減器 • 210、及變換電場對光進行方向之振動方向的旋轉偏光變換 部220而構成。較佳地，可具有在變換為直線偏光後，再變 換為圓偏光或橢圓偏光之構造。藉衰減器21〇，可在由5〇至 100mW之範圍内調節前述連續雷射。由於如此之偏光變換 方法是既有的習知技術，所以在本發明十將省略對其之詳 細說明。 φ 最後，本發明之一實施形態的聚光部300係調節焦點， 使藉光傳送部200變換後之圓偏光或橢圓偏光可正確地照 射在液晶顯示面板中之修復位置的裝置，且包含近紅外線 (NIR)透鏡之概念，但不一定限定於此。 此時，修復位置亦有在黑矩陣或光透過區域之濾色片 之情形，但本發明不限於此。即，可非限制性地適用於利 用如前述之圓偏光或橢圓偏光使物質狀態變化，將像素暗 點化之液晶顯示面板的其他薄膜。 第4圖是立體圖，顯示實現本發明一實施形態之修復液 9 201022763 晶顯示面板之不良像素之裝置之例。 第4圖所示，含有第3圖之光源刚、光傳送部200 及以部300之光學部可於γ軸方向上轉，且 ε 顯示面板之平台5〇〇可於X轴方向上 。β 與平台_可一面互相移動，―面藉移另動二^ 未示)檢“良像錢，圓偏域_偏光崎 程。在此，光傳送部可包含__以[Prior Art 3] [Background] Recently, with the increasing demand for displays such as mobile phones, notebook computers, PDAs (personal digital assistants) and large TVs, the development of technology for thin and light flat panel displays has also been Improving constantly. In such a flat panel display, a liquid crystal display panel used for a liquid crystal display (LCD) is a next-generation display device which is formed by utilizing the birefringence of liquid crystal (LC) and the polarizing property of a polarizing plate. 1 is a schematic view showing a part of a pixel of a liquid crystal display panel. As shown in FIG. 1, the display panel has a configuration in which the lower substrate 10 and the upper substrate (four) are sealed (sealed) to each other. The lower substrate 10 has a thin film transistor 1 and a lower back film (not shown), and the upper substrate 20 is sequentially formed with a black matrix 21, a color film 22, and a common electrode. On the film (not shown). At this time, the liquid crystal 3 has a space of 1 〇 and 2 基板, and the outer side of the lower substrate 10 and the upper substrate 20 are respectively attached with a polarization direction, such as an upper/lower polarizing plate 40, 41, 3 201022763. It can control the transmission of light. Further, the voltage between the fine pixel electrode 12 and the common electrode 23 is sealed between the substrates 10 and 20 to control the polarization-converted liquid crystal to adjust the light transmittance. Further, on the outer sides of the substrates 10 and 20, the upper/lower polarizing plates 40 and 41 which are orthogonal to each other in the polarization direction are attached to each other to perform on/off (ΟΝ/OFF) of the transmitted light after the polarization. The voltage for controlling the state of the liquid crystal 30 is controlled by the driving portion a including the thin film transistor i, and the light supplied from the lower backlight (not shown) can be transmitted to the outside through the light transmitting portion b. On the other hand, the liquid crystal display panel allows light of a specific wavelength to be sufficiently transmitted, and light of other wavelengths is displayed in color by the color filter 22 having a blocking characteristic. For example, the R color filter is used to allow the red light to be sufficiently transmitted and the light of other wavelengths is not sufficiently transmitted, the G color filter allows the green light to be sufficiently transmitted, and the light of other wavelengths is not sufficiently transmitted, and the B color filter is used. The principle that the blue light is sufficiently transmitted and the light of other wavelengths is not sufficiently transmitted can control the R, G, and B of each pixel arranged in a matrix form to realize full color display. In the above liquid crystal display panel, the reference for determining whether or not the pixel is defective is the number of defective images (4) included in the liquid crystal display panel. Bad pixels can be divided into bright pixels and dark pixels, and the number of bright pixels that are usually allowed is stricter than the number of dark pixels. For this reason, bright pixels can be darkened to improve the yield of the liquid crystal display panel. For example, if a bright pixel is not allowed at all and a maximum of one dark pixel is allowed, the liquid crystal display panel can be a normal panel when the silk image is turned into a dark secret. 201022763 The method for darkening the bright pixels in this way is roughly different from the method of irradiating the laser to the black matrix to illuminate the black matrix, and then inducing the molten black matrix material to the "object" to darken the redundant pixels. And the method of directly illuminating the light through the light-transmitting region; the color-changing sheet is used to change the color of the enamel film into black, and the bright-spot pixel is darkened. As an example, FIG. 2 is a view showing a process of repairing a defective pixel of a conventional liquid crystal display panel. As shown in FIG. 2, the device for repairing a defective pixel of the liquid crystal display panel may include a light source 5G, a light transmitting portion 6〇, and a cluster. The light portion 7 (four) is configured, and the light generated by the light source % is adjusted by the attenuator 61 of the light transmitting portion 6G. "When passing through the linear polarization conversion portion 62, the light is converted into the same direction as the upper polarizing plate 41. The polarized light is recorded, and the light (4) can be directly irradiated to the color filter 22 through the polarizing plate 41 above the liquid crystal display panel. At this time, since the linear polarization conversion portion 62 has a photon with the upper polarizing plate _-direction Therefore, after light (4) passing through the upper polarizing plate 41, the color filter 22 layer can be irradiated to darken the pixel whose color is changed to black. In the repair method using the linear polarized light, if the upper polarized light (10) and the upper polarized light pass through If the electric field of the linearly polarized light of the plate 41 is not correctly aligned, excellent efficiency cannot be obtained. However, if the process error in manufacturing the polarizing plate and the equipment error of the repairing device itself are carefully considered, the linearly polarized light passes uniformly. The present invention is directed to solving the problems of the prior art described above. For circular polarization, "effectively darkening the repair method using a polarized liquid crystal display. Further, another object of the present invention is to provide a method of repairing a full-polarized light which is obtained by polarizing linearly polarized light and effectively darkening defective pixels.夜夜显器 [Means for Solving the Problem] A representative structure of the present invention for achieving the above object is as follows. The object of the present invention is achieved by a liquid crystal display panel repair method. And characterized in that: (4) converting the light generated by the light source into a linear polarizing step, converting the straight line to the _polarized light; and (4) passing the rotating polarized light through the polarizing plate of the liquid crystal display panel to remove the pixel The step of light. Here, the aforementioned rotational polarization is preferably elliptically polarized. Further, the wavelength of the aforementioned light source is preferably from 400 to 532 nm. Furthermore, the aforementioned light source is preferably a continuous laser. Further, preferably, in the step (c), the method of removing the light transmittance of the pixel is to irradiate the rotating polarized light onto the color filter of the liquid crystal display panel or irradiate the rotating polarized light onto the liquid crystal display panel. Black matrix. Advantageous Effects of Invention According to the present invention, linear polarization can be converted into circularly polarized light, and light transmittance of defective pixels can be effectively removed. 6 201022763 Moreover, according to the present invention, linear polarization can be converted into elliptically polarized light, and light transmittance of defective pixels can be more effectively removed. Further, according to the present invention, there is an effect that the above-described circularly polarized light and elliptically polarized light can be used to improve the repair yield. [Simple description of the diagram] [Fig. 1] is a cross-sectional view showing a part of the pixels of the liquid crystal display panel. [Fig. 2] is a schematic view showing a process for repairing defective pixels of a conventional liquid crystal display panel. Fig. 3 is a structural view showing a part of a device for repairing defective pixels of a liquid crystal display panel according to an embodiment of the present invention. Fig. 4 is a perspective view showing an example of an apparatus for realizing a defective pixel of a liquid crystal display panel according to an embodiment of the present invention. [Fig. 5] is a block diagram showing an example of realizing the optical portion of Fig. 4. [Fig. 6] A diagram showing the state of light in which each of the illumination light passes through the polarizing plate. [Fig. 7] is a schematic view showing the process of repairing defective pixels of the liquid crystal display panel of the experimental example of the present invention. Fig. 8 is a schematic view showing the process of repairing defective pixels of the liquid crystal display panel of Experimental Example 2 of the present invention. [Fig. 9] A photograph of the pixels of the liquid crystal display panels of Experimental Examples i and 2 and Comparative Examples of the present invention. [Fig. 10] A photograph showing the difference in color produced by the transparency of the pixels of the ninth graph. 7 201022763 [Implementation of the cold type] [Ease of the invention and the best form of the animal husbandry] The specific embodiment of the present invention can be implemented by exemplifying the present invention, and the present invention will be described in detail with reference to the accompanying drawings. The embodiments described later will be described in detail, and those having ordinary knowledge in the technical field can be sufficiently implemented. Here, the solutions are different from each other but are not necessarily exclusive to each other. For example, the present invention can be embodied in a specific shape and structure as described herein, without departing from the technical scope and scope of the present invention. Further, it should be understood that the various implementations disclosed herein may change the position or configuration of the side constituent elements without departing from the scope of the invention. Therefore, the detailed descriptions that follow are not intended to be limiting, and are intended to be equivalent to the invention. The scope of the technology and the scope of the appended claims are intended to determine the scope of the present technology. Fig. 3 is a view showing a part of the apparatus for repairing defective pixels of the liquid crystal display panel according to an embodiment of the present invention. As shown in Fig. 3, the defective pixel of the liquid crystal display panel according to the embodiment of the present invention may include a light source 1A, a light transmitting portion 2A, and a condensing portion 300. First, the light source 1 of the embodiment of the present invention is preferably a device that can achieve the function of emitting light, emits light having a uniform wavelength and phase, and uses laser light having excellent transmission properties as a light source. In this case, the laser used in the present invention may use either a continuous laser or a pulsed laser, and when the wavelength of the laser is about 400 to 532 nm, the physical properties of the color filter are liable to change. The influence of other parts of the LCD panel will become smaller. Therefore, in order to further suppress the damage of the polarizing plate, the wavelength of the laser light is preferably about 400 to 532 nm. Next, in the optical transmission unit 2 according to an embodiment of the present invention, the light generated by the light source 100 is converted into linearly polarized light by a plurality of optical mechanisms, and the linearly polarized light is converted into a rotationally polarized light such as circularly polarized or elliptically polarized light. The function of the function to transmit. More specifically, the light transmitting unit 200 may include an attenuator 210 for adjusting the light output, and a rotating polarization converting unit 220 for converting the direction in which the electric field is directed to the direction of the light. Preferably, it may have a configuration in which it is converted into circularly polarized light or elliptically polarized light after being converted into linearly polarized light. With the attenuator 21A, the aforementioned continuous laser can be adjusted in the range of 5 〇 to 100 mW. Since such a polarization conversion method is a conventional technique, detailed description thereof will be omitted in the present invention. φ Finally, the concentrating unit 300 according to an embodiment of the present invention adjusts the focus, and the circularly polarized light or the elliptically polarized light converted by the light transmitting unit 200 can be accurately irradiated to the repairing position in the liquid crystal display panel, and includes The concept of an infrared (NIR) lens is not limited thereto. At this time, the repair position also has a color filter in the black matrix or the light transmission region, but the present invention is not limited thereto. That is, it can be applied, without limitation, to other films of liquid crystal display panels which use a circularly polarized light or an elliptically polarized light as described above to change the state of the substance and darken the pixels. Fig. 4 is a perspective view showing an example of a device for realizing a defective pixel of a repair liquid 9 201022763 crystal display panel according to an embodiment of the present invention. As shown in Fig. 4, the light source including the light source of Fig. 3, the light transmitting portion 200, and the optical portion of the portion 300 can be rotated in the γ-axis direction, and the stage 5 of the ε display panel can be in the X-axis direction. β and platform _ can move side by side, “face to move another two ^ not shown” to check “good image money, circular deviation domain _ polarized light and subsistence. Here, the light transmission part can include __
先（雷射)輪出的衰減器210、及變換電場對光行進方向之魂 動方向的旋轉偏光變換部220。 第5圖是方塊圖，顯示實現第4圖之光學部。 如第5圖所示’光學部_可包含用以提高雷射傳送路 徑上之雷射直線傳送性之準直儀2(n、調節雷射輸出之衰減 器21〇、旋轉偏光變換部220、誘導光徑之反射鏡23〇、及調 節光尺寸之光栅24〇。此時，含有本發明之旋轉偏光變換部 220的構造，可依需要變更其排列順序，且可更含有分光 盗、棱鏡、均質機等構造，或去除一部份構造。 具有前述構造之本發明一實施形態之修復液晶顯示面 板不良像素的裝置，可透過對利用以下所述之旋轉偏光之 修復方法的詳細說明而更明確地了解。 利用旋轉偏光之修復方法 首先’為了修復液晶顯示面板，檢測存在於液晶顯示 面板之不良像素（亮點像素）。檢測不良像素之方式係既有之 習知技術，且省略對其之說明。 接著’對欲修復之不良像素照射雷射光，使包含於不 10 201022763 良像素中之濾色片物性變化’使濾色片之透光性降低。 第6圖係顯示每種照射光透過偏光板之光狀態的圖。 如第6圖所示，首先可了解的是直線偏光透過45度之偏 光板時，所透過之光會因偏光板之偏差而不均一。 相反地，當圓偏光透過45度之偏光板時，即使光之強 度減少，亦可全體均一地透過。又，橢圓偏光透過45度之 偏光板時，光全體均一，且透光性優異。 如此，在為了修復液晶顯示面板使渡色片物性變化之 胃 本發明一實施形態中，藉含有旋轉偏光變換部220將直線偏 光變換為圓偏光或橢圓偏光並照射於包含於不良像素中之 濾色片時，可適當地變化濾色片之物性。 此時，在將由光源100發出之雷射照射於濾色片的過程 中’為了使照射於液晶顯示面板之其他部份的像最小化， 必須利用聚光部300將雷射集中於不良像素之濾色片。 為了有助於理解以上說明之本發明，透過實驗例及比 馨較例如下所述地詳細說明。但是，下述實驗例只是用以協 助理解本發明，本發明不受限於下述實驗例。 【實驗例1】 第7圖係概略圖，顯示本發明實驗例1之修復液晶顯示 面板之不良像素的製程。 如第7圖所示，在本發明之實驗例1中，與參照第3圖說 明之本發明一實施例同樣地，利用含有光源100、光傳送部 200、及聚光部300所構成之修復裝置。 首先，使用具有445nm波長之連續雷射作為光源，而光 11 201022763 傳送部200之衰減器210將連續雷射之強度調節成75mW。 接著’在旋轉偏光變換部22〇中利用1/4波長板將通過 衰減器210之光變換為橢圓偏光。 然後，在聚光部300中使用50X倍率之近紅外線透鏡， 將已成為橢圓偏光的雷射照射透過在液晶顯示面板之透光 部b中適用於綠色G像素之上部偏光板41與上部基板2〇後， 使光焦點聚焦在濾色片22上，藉此遂行使綠色g濾色片22 變黑地暗黑化的過程。此時，如此之修復裝置係以1〇〇μιη/8 之速度移動’照射綠色G像素之30μπι的寬度。 【實驗例2】 第8圖係概略圖’顯示本發明實驗例2之修復液晶顯示 面板之不良像素的製程。 如第8圖所示，在本發明之實驗例2中，與參照第3圖說 明之本發明一實施例同樣地，利用含有光源1〇〇、光傳送部 2〇〇、及聚光部300所構成之修復裝置。 首先，使用具有445nm波長之連續雷射作為光源，而光 傳送部200之衰減器210將連續雷射之強度調節成75mW。 接著，在旋轉偏光變換部220中利用1/4波長板將通過 衰減器210之光變換為圓偏光。 然後’在聚光部300中使用50X倍率之近紅外線透鏡， 將業經圓偏光的雷射照射透過在液晶顯示面板之透光部b 中適用於綠色G像素之上部偏光板41與上部基板2〇後，使光 焦點聚焦在遽色片22上，藉此遂行使綠色〇遽色片22變黑地 暗黑化的過程。此時，如此之修復裝置係以丨〇〇pm/s之速度 201022763 移動，照射綠色G像素之30μπι的寬度。 【比較例】 與在本發明之背景技術中參照第2圖說明之先前技術 同樣地，利用包含光源50、光傳送部60、及聚光部7〇所構 成之修復裝置。 首先，使用具有445nm波長之連續雷射作為光源，而光 傳送部60之衰減器61將連續雷射之強度調節成75mW。 _ 接著，在直線偏光變換部62中利用1/2波長板將通過衰 減器61之光變換為直線偏光。 然後，在聚光部7〇中使用50X倍率之近紅外線透鏡，將 業經直線偏光的雷射照射透過在液晶顯示面板之透光部b 中適用於綠色G像素之上部偏光板41與上部基板2〇後，使光 焦點聚焦在濾色片22上’藉此遂行使綠色G濾色片22變黑地 暗黑化的過程。此時，如此之修復裝置係以1〇〇_之速度 移動，照射綠色G像素之3〇pm&寬度。 ，以下參照顯示各個像素之光遮斷率之表丨與顯示業經 暗黑化狀’4之照片之第9圖及第1〇圖，說明前述實驗例】及 實驗例2與比較例。 第9圖係有關本發明實驗例卜2及比額之液晶顯示面 板之像素的照片。 第10圖係顯示每一第9圖之像素之透過度產生之色相 差的照片。 【表1】 _實驗¢11¾圓偏光) 實驗例2(圓偏光） 比較例(直線偏光) 光遮斷率 90% 50% 30% 13 201022763 如第9圖及表1所示，相較於利用直線偏光之比較例， 利用橢圓偏光與圓偏光之實驗例1、2之光遮斷率全都是優 良的。此時’利用橢圓偏光使像素之渡色片暗黑化之實驗 例1(90%)的光遮斷率更優於利用圓偏之實驗例2(5〇%)。在 此，光遮斷率是指使藉光照射使光透過像素之程度。舉例 而言，實施例1之光遮斷率9〇%是指當以100%為基準時，具 有90%之光透過遮斷率。由於在實驗例2與比較例中亦為與 此相同之意思’故省略另外的詳細說明。 又，如此之光遮斷率亦可在第9圖之像素照片中確認。 鲁 即，可以肉眼確認藉實驗例1修復之綠色像素G的不均一區 域比藉實驗例2修復之綠色像素G與藉比較例修復之綠色像 素G更少，且更均一地變色成黑色。 _ 如依據色相差更明確地顯示透光狀態之第1〇圖所示， 可確認藉實驗例1修復之綠色像素G比藉實驗例2修復之綠 色像素G與藉比較例修復之綠色像素G更均一地變色成黑 色’色相差小。 另一方面，透過實驗例與比較例調查修復之再現性， 結果，使用橢圓偏光時顯示最優異之再現性。所謂修復再 現像優異是指在同一條件下，反覆多數次修復作業，結果， 可得到同一透光率之次數相對較多。 因此’在本實施形態中，當將雷射光源通過液晶顯示 面板之偏光板照射於不良像素，遮斷不良像素之透光時， 以使用橢圓偏光較佳。 藉本發明，可以將直線偏光變換為圓偏光，有效地去 14 201022763 除不良像素之透光性，且將直線偏光變換為橢圓偏光，更 有效地去除不良像素之透光性，並且可利用前述圓偏光與 橢圓偏光提高修復良率。因此，本發明之產業利用性可^ 相當地高。 月 ，文〜汁、呵5兄明中說明了具肢見苑 態’但在不偏離本發明之要旨的情形下，可有多種變形了The attenuator 210 that is rotated first (laser) and the rotational polarization conversion unit 220 that converts the electric field in the direction of the light traveling direction. Fig. 5 is a block diagram showing the optical portion for realizing Fig. 4. As shown in Fig. 5, the 'optical portion _ may include a collimator 2 for improving the linear transmission property of the laser on the laser transmission path (n, an attenuator 21 调节 for adjusting the laser output, the rotating polarization conversion portion 220, The mirror 23诱导 for inducing the optical path and the grating 24〇 for adjusting the optical size. In this case, the structure including the rotary polarization conversion unit 220 of the present invention can be changed as needed, and the spectroscopic, prism, and A structure such as a homogenizer or a part of the structure is removed. The apparatus for repairing a defective pixel of a liquid crystal display panel according to an embodiment of the present invention having the above-described structure can be more clearly explained by a detailed description of a method for repairing a rotationally polarized light described below. Using the method of repairing the rotating polarized light firstly, in order to repair the liquid crystal display panel, the defective pixels (bright pixels) existing in the liquid crystal display panel are detected. The method of detecting defective pixels is a conventional technique, and the description thereof is omitted. Then, 'Improve the laser light to the defective pixel to be repaired, and change the physical properties of the color filter contained in the good pixel of the 10 201022763' to make the color filter The lightness is reduced. Fig. 6 is a view showing the state of light of each type of illumination light transmitted through the polarizing plate. As shown in Fig. 6, it can be understood that the light transmitted through the linear polarized light transmitted through the polarizing plate of 45 degrees is caused by Conversely, when the polarized light is transmitted through the 45-degree polarizing plate, even if the intensity of the light is reduced, the light can be uniformly transmitted. Also, when the elliptically polarized light is transmitted through the 45-degree polarizing plate, the light is uniform. In the embodiment of the present invention, in order to repair the liquid crystal display panel, the linear polarization is converted into circularly polarized light or elliptically polarized light by the rotary polarization conversion unit 220. When the color filter is included in the defective pixel, the physical properties of the color filter can be appropriately changed. At this time, in the process of irradiating the laser light emitted from the light source 100 to the color filter, 'in order to illuminate the liquid crystal display panel In order to minimize the image, it is necessary to concentrate the laser on the color filter of the defective pixel by the concentrating portion 300. To facilitate understanding of the present invention described above, for example, by experiment and comparison, for example The following experimental examples are only intended to assist in understanding the present invention, and the present invention is not limited to the following experimental examples. [Experimental Example 1] Fig. 7 is a schematic view showing Experimental Example 1 of the present invention. In the first embodiment of the present invention, the light source 100 and the light transmitting unit are used in the same manner as in the first embodiment of the present invention described with reference to FIG. 3, as shown in FIG. 200. A repairing device comprising the concentrating unit 300. First, a continuous laser having a wavelength of 445 nm is used as a light source, and the attenuator 210 of the light 11 201022763 transmitting unit 200 adjusts the intensity of the continuous laser to 75 mW. In the rotary polarization conversion unit 22, the light that has passed through the attenuator 210 is converted into elliptically polarized light by a quarter-wavelength plate. Then, a near-infrared lens of 50X magnification is used in the condensing unit 300 to irradiate the laser beam that has become elliptically polarized. After being applied to the upper portion of the green G pixel polarizing plate 41 and the upper substrate 2 in the light transmitting portion b of the liquid crystal display panel, the light focus is focused on the color filter 22, whereby the green color filter 22 is changed. Dark of the process. At this time, such a repairing device moves at a speed of 1 〇〇 μη / 8 to illuminate a width of 30 μm of the green G pixel. [Experimental Example 2] Fig. 8 is a schematic view showing the process of repairing defective pixels of the liquid crystal display panel of Experimental Example 2 of the present invention. As shown in Fig. 8, in the experimental example 2 of the present invention, the light source 1A, the light transmitting portion 2A, and the collecting portion 300 are used in the same manner as the first embodiment of the present invention described with reference to Fig. 3. The repair device is constructed. First, a continuous laser having a wavelength of 445 nm was used as a light source, and the attenuator 210 of the light transmitting portion 200 adjusted the intensity of the continuous laser to 75 mW. Next, in the rotary polarization conversion unit 220, the light passing through the attenuator 210 is converted into circularly polarized light by a quarter-wavelength plate. Then, a near-infrared lens of 50X magnification is used in the concentrating portion 300, and the laser beam that has been subjected to circularly polarized light is transmitted through the light transmitting portion b of the liquid crystal display panel to be applied to the upper polarizing plate 41 and the upper substrate 2 of the green G pixel. Thereafter, the focus of the light is focused on the enamel sheet 22, whereby the process of darkening the green enamel sheet 22 is blackened. At this time, such a repairing device moves at a speed of 丨〇〇pm/s 201022763, illuminating a width of 30 μm of the green G pixel. [Comparative Example] A repairing device comprising a light source 50, a light transmitting portion 60, and a condensing portion 7A is used in the same manner as in the prior art described with reference to Fig. 2 in the background art of the present invention. First, a continuous laser having a wavelength of 445 nm was used as a light source, and the attenuator 61 of the light transmitting portion 60 adjusted the intensity of the continuous laser to 75 mW. Then, the light passing through the attenuator 61 is converted into linearly polarized light by the linear polarization conversion unit 62 by the 1/2 wavelength plate. Then, a near-infrared lens of 50X magnification is used in the concentrating portion 7〇, and the linearly polarized laser beam is transmitted through the light transmitting portion b of the liquid crystal display panel to be applied to the green G pixel upper polarizing plate 41 and the upper substrate 2 After that, the focus of the light is focused on the color filter 22 'by this, the process of darkening the green G color filter 22 is blackened. At this time, such a repairing device moves at a speed of 1 〇〇, illuminating 3 pm & width of the green G pixel. The following experimental examples, Experimental Example 2, and Comparative Example will be described with reference to the ninth and first drawings showing the photo-interruption rate of each pixel and the photo of the darkened image of the display. Fig. 9 is a photograph showing the pixels of the liquid crystal display panel of the experimental example 2 and the scale of the present invention. Fig. 10 is a photograph showing the color difference produced by the transmittance of each pixel of Fig. 9. [Table 1] _Experiment ¢113⁄4 circularly polarized light) Experimental example 2 (circularly polarized light) Comparative example (linear polarized light) Light cutoff rate 90% 50% 30% 13 201022763 As shown in Fig. 9 and Table 1, compared with utilization In the comparative example of the linearly polarized light, the optical blocking ratios of the experimental examples 1 and 2 using the elliptically polarized light and the circularly polarized light were all excellent. At this time, the experiment of Example 1 (90%) using the elliptically polarized light to darken the pixel of the pixel was better than the experimental example 2 (5〇%) using the circular deviation. Here, the light cutoff rate refers to the extent to which light is transmitted through the pixels by the irradiation of light. For example, the light cutoff rate of Example 1 of Example 1 means that 90% of the light transmission blocking ratio is based on 100%. Since it is the same as in the experimental example 2 and the comparative example, the detailed description is abbreviate|omitted. Moreover, such a light cutoff rate can also be confirmed in the pixel photograph of Fig. 9. That is, it can be visually confirmed that the non-uniform region of the green pixel G repaired by the experimental example 1 is smaller than the green pixel G repaired by the experimental example 2 and the green pixel G repaired by the comparative example, and more uniformly discolored into black. _ As shown in the first diagram of the light-transmissive state according to the chromatic aberration, it can be confirmed that the green pixel G repaired by the experimental example 1 is smaller than the green pixel G repaired by the experimental example 2 and the green pixel G repaired by the comparative example. More uniform color change into black 'color difference is small. On the other hand, the reproducibility of the repair was investigated by the experimental example and the comparative example, and as a result, the most excellent reproducibility was exhibited when ellipsometry was used. The so-called repair reproduction image is excellent in that the repair operation is repeated many times under the same conditions, and as a result, the same light transmittance can be obtained relatively frequently. Therefore, in the present embodiment, when the laser light source is irradiated onto the defective pixel by the polarizing plate of the liquid crystal display panel to block the light transmission of the defective pixel, it is preferable to use elliptically polarized light. According to the invention, the linearly polarized light can be converted into a circularly polarized light, and the light transmittance of the defective pixel can be effectively removed in 14 201022763, and the linearly polarized light is converted into the elliptically polarized light, and the light transmittance of the defective pixel is more effectively removed, and the foregoing can be utilized. Circular polarized light and elliptically polarized light improve repair yield. Therefore, the industrial applicability of the present invention can be considerably high. Month, Wen ~ juice, 5 brothers Ming Ming explained the state of the limbs, but without deviating from the gist of the invention, there can be many variations
2，本發明之權利範财受限於前述實施形態，且庫依 據申请專職圍之記載及與其解者來決定。 【圖式簡單說明】 像素冑目】係截面圖’簡略顯示液晶顯示面板之—部份 【第2圖】係概略圖，顯 良像素之製程。 和似壯Μ齡面板之不 【第3圖】係構造圖 曰 .，"員不本發明一實施形態之修復液 曰曰顯不面板之不良像素 〜衣置一部份。 【第4圖】係立體圖， 復液晶顯示面實現本發明—實施形態之修 艮像素之裝置之例。 【第5圖】係方塊圖 r ^ 顒不實現第4圖之光學部分之例。 【第β圖】係顯示每 禮照射光透過偏光板之光狀態的 圆〇 【第7圖】係概略圖， S5 _ , 顯示本發明實驗例1之修復液晶 顯不面板之不良像素的製程。 【第8圖】係概略圖 ^ 顯示本發明實驗例2之修復液晶 顯不面板之不良像素的製程。 15 201022763 【第9圖】係有關本發明實驗例1、2及比較例之液晶顯 示面板之像素的照片。 【第10圖】係顯示每一第9圖之像素之透過度產生之色 相差的照片。 【主要元件符號說明】 10...下部基板 70...聚光部 11...薄膜電晶體 100...光源 12...像素電極 200...光傳送部 20...上部基板 201...準直儀 21...黑矩陣 210...衰減器 22...濾色片 220...旋轉偏光變換部 23...共用電極 230...反射鏡 30...液晶 240...光柵 40...下部偏光板 300...聚光部 41...上部偏光板 400...光學部 50...光源 500...平台 60...光傳送部 a...驅動部 61...衰減器 b...透光部 62...直線偏光變換部2. The rights of the present invention are limited to the foregoing embodiments, and the library is determined according to the application of the full-time application and the solution. [Simple description of the figure] Pixel attention] Sectional view 'Slightly showing the part of the liquid crystal display panel. [Fig. 2] is a schematic diagram showing the process of displaying pixels. And the likes of the sturdy age panel [Fig. 3] is a structural diagram ,., "The staff does not have the repair liquid of one embodiment of the invention. The defective pixels of the panel are not part of the clothing. [Fig. 4] Fig. 4 is a perspective view showing an example of a device for repairing pixels according to the present invention in a complex liquid crystal display surface. [Fig. 5] is a block diagram r ^ 例 An example of the optical portion of Fig. 4 is not realized. [Fig. β] is a circle showing the light state of the illumination light passing through the polarizing plate. [Fig. 7] is a schematic view, S5_, showing the process of repairing defective pixels of the liquid crystal display panel of Experimental Example 1 of the present invention. Fig. 8 is a schematic view showing the process of repairing defective pixels of the liquid crystal display panel of Experimental Example 2 of the present invention. 15 201022763 [Fig. 9] is a photograph of pixels of the liquid crystal display panels of Experimental Examples 1 and 2 and Comparative Examples of the present invention. [Fig. 10] is a photograph showing the color difference produced by the transparency of each pixel of Fig. 9. [Description of main component symbols] 10: lower substrate 70: concentrating portion 11: thin film transistor 100: light source 12: pixel electrode 200: light transmitting portion 20: upper substrate 201...collimator 21...black matrix 210...attenuator 22...color filter 220...rotation polarization conversion unit 23...common electrode 230...reflector 30... Liquid crystal 240...grating 40...lower polarizing plate 300...concentrating portion 41...upper polarizing plate 400...optical portion 50...light source 500...platform 60...light transmitting portion a... drive unit 61... attenuator b... light transmitting unit 62... linear polarization conversion unit
1616