TWI575486B - Curved display and method of manufacturing curved display - Google Patents

Curved display and method of manufacturing curved display Download PDF

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TWI575486B
TWI575486B TW105120138A TW105120138A TWI575486B TW I575486 B TWI575486 B TW I575486B TW 105120138 A TW105120138 A TW 105120138A TW 105120138 A TW105120138 A TW 105120138A TW I575486 B TWI575486 B TW I575486B
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curved screen
regions
curved
pretilt angle
curvature
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TW105120138A
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TW201801058A (en
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林能億
陳冠勳
高望碩
莊皓安
王惠民
葉志律
宋文方
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友達光電股份有限公司
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Priority to CN201610804500.XA priority patent/CN106405941B/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • G02F1/133761—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle with different pretilt angles

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

曲面螢幕及曲面螢幕的製造方法Method for manufacturing curved screen and curved screen

本發明描述了一種曲面螢幕及改善曲面螢幕的顯示品質之製造方法，尤指一種能改善曲面螢幕顯示亮度不均勻的製造方法。The present invention describes a method for manufacturing a curved screen and improving the display quality of a curved screen, and more particularly to a manufacturing method capable of improving uneven brightness of a curved screen display.

隨著科技日新月異，各式各樣的螢幕也被廣泛應用於日常生活中，例如平面螢幕(Flat Display)以及曲面螢幕(Curved Display)。然而，曲面螢幕相較於平面螢幕，其視角範圍更寬且視野更廣，因此常用於顯示廣角的影像。並且，曲面螢幕因具有包覆效果，會給予使用者較優的視覺沉浸式體驗。曲面螢幕具有彎曲度，因此可避開兩側之外界光源的反射干擾。此外，由於曲面螢幕為彎曲結構，具有曲率半徑，因此當使用者於曲面螢幕的焦點觀看時，使用者的視角會與顯示畫面等距離，可減低眼睛的負擔。With the rapid development of technology, a wide variety of screens are also widely used in everyday life, such as Flat Display and Curved Display. However, curved screens are used to display wide-angle images because they have a wider viewing angle and a wider field of view than flat screens. Moreover, the curved screen has a coating effect, which gives the user a better visual immersive experience. The curved screen has a curvature that avoids reflections from the boundary light sources on both sides. In addition, since the curved screen has a curved structure and a radius of curvature, when the user views the focus of the curved screen, the user's angle of view is equidistant from the display screen, which reduces the burden on the eyes.

然而，現今的曲面螢幕在顯示畫面時，會有畫面亮度不均勻的問題。舉例來說，曲面螢幕在顯示畫面時，螢幕四個角落附近區域的顯示亮度會大於中央區域的顯示亮度。這原因在於，當曲面螢幕以玻璃製成時，玻璃會受到彎曲應力集中的影響，因此螢幕的四個角落附近區域會產生泛亮的現象。而這種泛亮的現象會導致畫面亮度不均勻，因此將嚴重影響觀看品質。並且，這種泛亮的現象由於是玻璃受到彎曲應力集中的物理特性造成，故當曲面螢幕在開啟時即會發生畫面亮度不均勻的問題。這種周邊區域的泛亮現象在曲面螢幕一般稱為Initial White Mura (IWM)現象。However, today's curved screens have a problem of uneven brightness when displaying pictures. For example, when the curved screen is displayed, the display brightness in the area near the four corners of the screen will be greater than the display brightness in the central area. The reason for this is that when the curved screen is made of glass, the glass is affected by the concentration of bending stress, so that the area near the four corners of the screen is bright. This kind of bright phenomenon will result in uneven brightness of the picture, which will seriously affect the viewing quality. Moreover, this phenomenon of flooding is caused by the physical properties of the glass subjected to the bending stress concentration, so that when the curved screen is turned on, the problem of uneven brightness of the screen occurs. This phenomenon of flooding in the surrounding area is commonly referred to as the Initial White Mura (IWM) phenomenon on curved screens.

本發明一實施例提出一種曲面螢幕，包含複數個第一區域及複數個第二區域。該些第二區域分佈在曲面螢幕的十字型區域。十字型區域由曲面螢幕的上側延伸至曲面螢幕的下側，且由曲面螢幕的左側延伸至曲面螢幕的右側。該些第一區域分佈在曲面螢幕的十字型區域以外的周邊區域。該些第二區域之至少一個第二區域的預傾角小於該些第一區域之每一個區域的預傾角。An embodiment of the invention provides a curved screen comprising a plurality of first regions and a plurality of second regions. The second regions are distributed in the cross-shaped area of the curved screen. The cross-shaped area extends from the upper side of the curved screen to the underside of the curved screen and extends from the left side of the curved screen to the right side of the curved screen. The first regions are distributed in a peripheral region other than the cross-shaped region of the curved screen. The pretilt angle of the at least one second region of the second regions is smaller than the pretilt angle of each of the first regions.

本發明另一實施例提出一種曲面螢幕的製造方法，包含製造曲面螢幕的複數個第一區域，以使該些第一區域之每一個區域滿足設定的預傾角，製造曲面螢幕的複數個第二區域，以使該些第二區域之每一個區域滿足設定的預傾角，並使該些第二區域之至少一個第二區域的預傾角小於該些第一區域之每一個區域的預傾角以下，其中該些第二區域分佈在曲面螢幕的十字型區域，十字型區域由曲面螢幕的上側延伸至曲面螢幕的下側，且由曲面螢幕的左側延伸至曲面螢幕的右側，及該些第一區域分佈在曲面螢幕的十字型區域以外的周邊區域。Another embodiment of the present invention provides a method of manufacturing a curved screen, comprising: fabricating a plurality of first regions of a curved screen such that each of the first regions meets a set pretilt angle, and manufacturing a plurality of second surfaces of the curved screen a region such that each of the second regions satisfies a set pretilt angle, and the pretilt angle of the at least one second region of the second regions is less than a pretilt angle of each of the first regions, The second area is distributed in a cross-shaped area of the curved screen, and the cross-shaped area extends from the upper side of the curved screen to the lower side of the curved screen, and extends from the left side of the curved screen to the right side of the curved screen, and the first area Distributed in a peripheral area outside the cross-shaped area of the curved screen.

本發明的曲面螢幕以及曲面螢幕之製造方法，可改善傳統曲面螢幕在開啟時發生之畫面亮度不均勻的問題，進而提升使用者的在觀賞影像時的體驗品質。The method for manufacturing the curved screen and the curved screen of the invention can improve the problem of uneven brightness of the screen when the traditional curved screen is opened, thereby improving the user's experience quality when viewing the image.

第1圖係為曲面螢幕100的架構圖。曲面螢幕100可以使用玻璃製成，而玻璃的厚度可為任何厚度，例如一般常用的0.5mm(毫米)。曲面螢幕100包含複數個第一區域RA1至RA8以及複數個第二區域RB1至RB7。每一個第一區域顯示第一亮度。例如第一區域RA1可顯示亮度值(Luminance Value)為LA1的第一亮度，第一區域RA2可顯示亮度值為LA2的第一亮度，依此類推。第一區域RA8可顯示亮度值為LA8的第一亮度。每一個第二區域顯示第二亮度。例如第二區域RB1可顯示亮度值為LB1的第二亮度，第二區域RB2可顯示亮度值為LB2的第二亮度，依此類推。第二區域RB7可顯示亮度值為LB7的第二亮度。曲面螢幕100的複數個第二區域RB1至RB7分佈範圍為曲面螢幕100上的十字型區域。而曲面螢幕100上的十字型區域的範圍由曲面螢幕100的上側延伸至曲面螢幕100的下側，且由曲面螢幕100的左側延伸至曲面螢幕100的右側。複數個第一區域RA1至RA8分佈在曲面螢幕100的十字型區域以外的周邊區域。並且，複數個第二區域RB1至RB7中之至少一個第二區域的預傾角(Pre-tilt Angle)小於複數個第一區域RA1至RA8之每一個區域的預傾角。在液晶螢幕中，預傾角的定義為液晶分子的方向向量與螢幕配向膜的切線方向之小於90度的夾角。而本發明的曲面螢幕100可為一種曲面液晶螢幕。應當了解的是，預傾角越小，所對應的遲滯值(Retardation)也會越大，而越大的遲滯值亦會造成泛亮的現象。舉例而言，針對對角線為65吋之玻璃材質的曲面螢幕100，預傾角88至89度所對應的遲滯值為0.378至0.094(nm)奈米，而預傾角86度所對應的遲滯值為1.509(nm)奈米。因此，預傾角86度的液晶區域所補償的亮度值會大於預傾角88至89度的液晶區域所補償的亮度值。因此，複數個第二區域RB1至RB7若以較小的預傾角製造，其補償的亮度值會較大，同理，複數個第一區域RA1至RA8若使用較大的預傾角，其補償的亮度值會較小，甚至會顯示原始的亮度值。透過複數個第二區域RB1至RB7亮度補償的效應(增亮)，將導致複數個第一區域RA1至RA8的每一區域所顯示之亮度的平均值約莫等於複數個第二區域RB1至RB7的每一區域所顯示之亮度的平均值。在本實施例中，衡量曲面螢幕100顯示的畫面亮度是否均勻所使用的標準為亮度對比值R，其中亮度對比值R的定義為： The first figure is an architectural diagram of the curved screen 100. The curved screen 100 can be made of glass, and the thickness of the glass can be any thickness, such as 0.5 mm (mm) which is generally used. The curved screen 100 includes a plurality of first regions RA1 to RA8 and a plurality of second regions RB1 to RB7. Each of the first areas displays a first brightness. For example, the first area RA1 may display a Luminance Value of a first brightness of LA1, the first area RA2 may display a first brightness of a brightness value of LA2, and so on. The first area RA8 can display the first brightness of the brightness value LA8. Each second area displays a second brightness. For example, the second area RB1 may display the second brightness of the brightness value LB1, the second area RB2 may display the second brightness of the brightness value LB2, and so on. The second area RB7 can display the second brightness of the brightness value LB7. The plurality of second regions RB1 to RB7 of the curved screen 100 are distributed in a range of a cross-shaped area on the curved screen 100. The extent of the cross-shaped area on the curved screen 100 extends from the upper side of the curved screen 100 to the lower side of the curved screen 100, and extends from the left side of the curved screen 100 to the right side of the curved screen 100. The plurality of first regions RA1 to RA8 are distributed in a peripheral region other than the cross-shaped region of the curved screen 100. And, a pretilt angle of at least one of the plurality of second regions RB1 to RB7 is smaller than a pretilt angle of each of the plurality of first regions RA1 to RA8. In the liquid crystal screen, the pretilt angle is defined as an angle of less than 90 degrees between the direction vector of the liquid crystal molecules and the tangential direction of the screen alignment film. The curved screen 100 of the present invention can be a curved liquid crystal screen. It should be understood that the smaller the pretilt angle, the larger the retardation value (Retardation) will be, and the larger the hysteresis value will also cause the phenomenon of flooding. For example, for a curved screen 100 of a glass material with a diagonal of 65 inches, the hysteresis value corresponding to the pretilt angle of 88 to 89 degrees is 0.378 to 0.094 (nm) nanometer, and the hysteresis value corresponding to the pretilt angle of 86 degrees. It is 1.509 (nm) nanometer. Therefore, the brightness value compensated by the liquid crystal region having a pretilt angle of 86 degrees may be greater than the brightness value compensated by the liquid crystal region having a pretilt angle of 88 to 89 degrees. Therefore, if a plurality of second regions RB1 to RB7 are manufactured with a small pretilt angle, the compensated luminance value thereof is large. Similarly, if a plurality of first regions RA1 to RA8 use a larger pretilt angle, the compensation is compensated. The brightness value will be smaller and even the original brightness value will be displayed. The effect of luminance compensation by the plurality of second regions RB1 to RB7 (brightening) causes the average value of the luminances displayed in each of the plurality of first regions RA1 to RA8 to be approximately equal to the plurality of second regions RB1 to RB7. The average of the brightness displayed for each area. In this embodiment, the standard used to measure whether the brightness of the screen displayed by the curved screen 100 is uniform is the brightness contrast value R, wherein the brightness contrast value R is defined as:

換句話說，曲面螢幕100的亮度對比值R之物理意義為，複數個第一區域RA1至RA8(分佈於周邊區域)所顯示亮度的算術平均值，除上複數個第二區域RB1至RB7(分佈於十字型區域)所顯示亮度的算術平均值。因此，當曲面螢幕100所顯示的亮度非常均勻時，複數個第一區域RA1至RA8所顯示亮度的算術平均值會逼近於複數個第二區域RB1至RB7所顯示亮度的算術平均值，故亮度對比值R會趨近於1。反之，若曲面螢幕100所顯示的亮度不均勻時(例如周邊發生嚴重的泛亮現象(Initial White Mura，IWM)時，複數個第一區域RA1至RA8所顯示亮度的算術平均值會遠大於複數個第二區域RB1至RB7所顯示亮度的算術平均值，故亮度對比值R會遠大於1(例如2.16)。在曲面螢幕100中，為了解決玻璃因應力集中效應而發生顯示亮度不均勻的問題，會將複數個第二區域RB1至RB7的一部份或全部的預傾角降低，而使亮度對比值R變小。詳細的原理將描述於下文。In other words, the physical meaning of the luminance contrast value R of the curved screen 100 is the arithmetic mean of the luminances displayed by the plurality of first regions RA1 to RA8 (distributed in the peripheral region), except for the plurality of second regions RB1 to RB7 ( The arithmetic mean of the brightness displayed in the cross-shaped area. Therefore, when the brightness displayed by the curved screen 100 is very uniform, the arithmetic mean of the brightness displayed by the plurality of first areas RA1 to RA8 is approximated to the arithmetic mean of the brightness displayed by the plurality of second areas RB1 to RB7, so the brightness The contrast value R will approach 1 . On the other hand, if the brightness displayed by the curved screen 100 is not uniform (for example, the initial white light (Initial White Mura, IWM) occurs, the arithmetic mean of the brightness displayed by the plurality of first regions RA1 to RA8 is much larger than the complex number. The arithmetic mean of the brightness displayed by the second areas RB1 to RB7, so the brightness contrast value R will be much larger than 1 (for example, 2.16). In the curved screen 100, in order to solve the problem that the display brightness is uneven due to the stress concentration effect of the glass The pretilt angle of a part or all of the plurality of second regions RB1 to RB7 is lowered to make the luminance contrast value R small. The detailed principle will be described below.

前述提及，亮度對比值R的定義為複數個第一區域RA1至RA8(分佈於周邊區域)所顯示亮度的算術平均值，除上複數個第二區域RB1至RB7(分佈於十字型區域)所顯示亮度的算術平均值。當曲面螢幕100的周邊發生泛亮現象時，會造成亮度對比值R變大，導致顯示亮度不均勻。因此，曲面螢幕100改善亮度不均勻的方案為，將複數個第二區域RB1至RB7所顯示亮度的算術平均值提升，以使亮度對比值R變小，進一步改善顯示亮度不均勻的問題。在本實施例中，將複數個第二區域RB1至RB7所顯示亮度的算術平均值提升的方式可將一個以上的第二區域所顯示的亮度值提升。然而，以最佳實施例而言，曲面螢幕100可將複數個第二區域RB1至RB7中每一個第二區域顯示的亮度值提升。因此於後文中，曲面螢幕100改善顯示亮度不均勻的方法將以每一個第二區域顯示的亮度值提升之手段進行描述。為了將複數個第二區域RB1至RB7中每一個第二區域所顯示的亮度值提升，本發明所使用的手段為將複數個第二區域RB1至RB7的預傾角降低，且低於複數個第一區域RA1至RA8中每一個區域的預傾角。由於預傾角降低會導致對應的遲滯值(Retardation)變大。而遲滯值變大也會造成亮度值增加的結果。特別說明，第1圖表示了在曲面螢幕顯示器中，曲面螢幕100之弧形表面的示意圖。使用者可位於曲面螢幕100之曲率焦點內觀看曲面螢幕100所顯示的影像。然而，為了簡化描述，在以下的圖示中，曲面螢幕100將以正視圖的矩形形狀來說明。以下將說明曲面螢幕100中，複數個第一區域RA1至RA8的預傾角以及複數個第二區域RB1至RB7的預傾角的設計方法。As mentioned above, the luminance contrast value R is defined as the arithmetic mean of the luminances displayed by the plurality of first regions RA1 to RA8 (distributed in the peripheral region), except for the plurality of second regions RB1 to RB7 (distributed in the cross-shaped region) The arithmetic mean of the displayed brightness. When the periphery of the curved screen 100 is flooded, the brightness contrast value R becomes large, resulting in uneven display brightness. Therefore, the method of improving the brightness unevenness of the curved screen 100 is to increase the arithmetic mean value of the brightness displayed by the plurality of second areas RB1 to RB7 so that the brightness contrast value R becomes smaller, further improving the problem of uneven display brightness. In this embodiment, the brightness value displayed by one or more second areas can be increased by increasing the arithmetic mean value of the brightness displayed by the plurality of second areas RB1 to RB7. However, in the preferred embodiment, the curved screen 100 can increase the brightness value displayed by each of the plurality of second regions RB1 through RB7. Therefore, in the following, the method of improving the display brightness unevenness of the curved screen 100 will be described by means of the brightness value display of each of the second areas. In order to increase the luminance value displayed by each of the plurality of second regions RB1 to RB7, the method used in the present invention is to reduce the pretilt angle of the plurality of second regions RB1 to RB7, and is lower than the plurality of The pretilt angle of each of the areas RA1 to RA8. As the pretilt angle is lowered, the corresponding retardation value becomes larger. Increasing the hysteresis value also results in an increase in the luminance value. In particular, Figure 1 shows a schematic view of the curved surface of the curved screen 100 in a curved screen display. The user can view the image displayed by the curved screen 100 within the curvature focus of the curved screen 100. However, in order to simplify the description, in the following illustration, the curved screen 100 will be described in a rectangular shape of a front view. The design method of the pretilt angle of the plurality of first regions RA1 to RA8 and the pretilt angle of the plurality of second regions RB1 to RB7 in the curved screen 100 will be described below.

第2圖係為曲面螢幕100各區域的預傾角示意圖。在曲面螢幕100中，複數個第一區域RA1至RA8的預傾角維持原始設計的標準預傾角，例如約略為88至89度。而複數個第二區域RB1至RB7的預傾角將利用特殊製程降低至例如約略86度。而如何利用特殊製程將複數個第二區域RB1至RB7的預傾角降低之方法於後文詳述。然而，本實施例中，複數個第二區域RB1至RB7的預傾角只要降至88度以下即可具有改善畫面亮度不均勻的效果，而預傾角降低至86度則具有最佳化的改善畫面亮度不均勻的效果。因此，曲面螢幕100利用了特殊製程，降低了複數個第二區域RB1至RB7的預傾角之後，可有效改善畫面亮度不均勻的效果，增加使用者視覺體驗品質。並且，這種先將曲面螢幕100分為複數個第一區域RA1至RA8及複數個第二區域RB1至RB7，再降低複數個第二區域RB1至RB7的預傾角之方法，也可應用於不同尺寸的曲面螢幕100之中，描述於後文。然而，如前述提及，降低預傾角的區域可以僅是第二區域RB1至RB7中的特定區域，或是至少一個區域，本發明的實施例並不限制所有第二區域RB1至RB7都要有較低的預傾角。FIG. 2 is a schematic diagram of the pretilt angle of each area of the curved screen 100. In the curved screen 100, the pretilt angles of the plurality of first regions RA1 to RA8 maintain a standard pretilt angle of the original design, for example, approximately 88 to 89 degrees. The pretilt angle of the plurality of second regions RB1 to RB7 will be reduced to, for example, approximately 86 degrees by a special process. How to reduce the pretilt angle of the plurality of second regions RB1 to RB7 by a special process will be described later in detail. However, in this embodiment, the pretilt angle of the plurality of second regions RB1 to RB7 may have an effect of improving the brightness unevenness of the screen as long as it is reduced to 88 degrees or less, and the optimized pre-tilt angle is reduced to 86 degrees to have an optimized improvement image. The effect of uneven brightness. Therefore, the curved screen 100 utilizes a special process to reduce the pre-tilt angle of the plurality of second regions RB1 to RB7, thereby effectively improving the brightness unevenness of the screen and increasing the visual experience quality of the user. Moreover, the method of dividing the curved screen 100 into the plurality of first regions RA1 to RA8 and the plurality of second regions RB1 to RB7 and reducing the pretilt angle of the plurality of second regions RB1 to RB7 may also be applied to different methods. The size of the curved screen 100 is described later. However, as mentioned above, the region for reducing the pretilt angle may be only a specific one of the second regions RB1 to RB7, or at least one region, and embodiments of the present invention do not limit all of the second regions RB1 to RB7 to have Lower pretilt angle.

第3A圖係為曲面螢幕100各區域的邊長定義的示意圖。曲面螢幕100中的複數個第二區域RB1至RB7為面積相等的矩形區域，每一個矩形的第二區域具有長邊X以及短邊Y。曲面螢幕100是以曲率為C的玻璃製成，並且曲面螢幕100的對角線長度為S，長邊為L，短邊為W，其中對角線長度為S的單位為吋，而每一個第二區域的長邊X、曲面螢幕100的長邊L、每一個第二區域的短邊Y、曲面螢幕100的短邊W之單位為公分。並且，X/L表示第二區域的長邊X除上曲面螢幕100的長邊L之比值，Y/W表示第二區域的短邊Y除上曲面螢幕100的短邊為W之比值。每一個第二區域的長邊X、每一個第二區域的短邊Y、曲面螢幕100的曲率C、曲面螢幕100的對角線長度S、曲面螢幕100的長邊為L及曲面螢幕100的短邊為W之關係可表示為表A，其中長邊L、短邊W、長邊X以及短邊Y的單位為公分，曲率C指曲面顯示螢幕100的曲面半徑大致為C公分(例如，曲率為R1000 的曲面螢幕，其曲率半徑為1000公分)。特此說明，為了描述簡化，曲面螢幕100的長邊L的數值可用L表示，曲面螢幕100的短邊W的數值可用W表示，每一個第二區域的長邊X的數值可用X表示，每一個第二區域的短邊Y的數值可用Y表示。因此，以數值而論，L、W、X、Y的單位為公分，且L、W、X、Y均為大於零的數值，而其比值X/L以及比值Y/W所對應的數值亦為大於零的數值。表A描述於下： <TABLE border="1" borderColor="#000000" width="_0003"><TBODY><tr><td> S </td><td> C </td><td> L </td><td> X </td><td> X/L </td><td> W </td><td> Y </td><td> Y/W </td></tr><tr><td> 32 </td><td> R1000 </td><td> 70.842 </td><td> 22.106 </td><td> 0.312 </td><td> 39.848 </td><td> 23.618 </td><td> 0.5927 </td></tr><tr><td> R1500 </td><td> 19.681 </td><td> 0.2778 </td><td> 22.737 </td><td> 0.5706 </td></tr><tr><td> R3000 </td><td> 17.321 </td><td> 0.2445 </td><td> 20.127 </td><td> 0.5051 </td></tr><tr><td> 35 </td><td> R2000 </td><td> 81.712 </td><td> 23.622 </td><td> 0.2891 </td><td> 35.019 </td><td> 17.056 </td><td> 0.4870 </td></tr><tr><td> 55 </td><td> R3000 </td><td> 121.759 </td><td> 39.608 </td><td> 0.3253 </td><td> 68.489 </td><td> 29.858 </td><td> 0.4360 </td></tr><tr><td> 65 </td><td> R4200 </td><td> 143.897 </td><td> 56.685 </td><td> 0.3939 </td><td> 80.942 </td><td> 33.678 </td><td> 0.4161 </td></tr></TBODY></TABLE>表A FIG. 3A is a schematic diagram of the definition of the side length of each region of the curved screen 100. The plurality of second regions RB1 to RB7 in the curved screen 100 are rectangular regions of equal area, and the second region of each rectangle has a long side X and a short side Y. The curved screen 100 is made of glass having a curvature C, and the curved screen 100 has a diagonal length S, a long side L, and a short side W, wherein the diagonal length S is in units of 吋, and each The long side X of the second area, the long side L of the curved screen 100, the short side Y of each second area, and the short side W of the curved screen 100 are in centimeters. Further, X/L represents the ratio of the long side X of the second region divided by the long side L of the curved screen 100, and Y/W represents the ratio of the short side Y of the second region divided by the short side of the curved screen 100. The long side X of each second area, the short side Y of each second area, the curvature C of the curved screen 100, the diagonal length S of the curved screen 100, the long side of the curved screen 100 is L, and the curved screen 100 The relationship of the short side to W can be expressed as Table A, wherein the unit of the long side L, the short side W, the long side X, and the short side Y is centimeters, and the curvature C means that the curved surface of the screen 100 has a radius of approximately C cm (for example, A curved screen with a curvature of R1000 with a radius of curvature of 1000 cm). Herein, for the sake of description simplification, the value of the long side L of the curved screen 100 can be represented by L, and the value of the short side W of the curved screen 100 can be represented by W, and the value of the long side X of each second area can be represented by X, each of which The value of the short side Y of the second region can be represented by Y. Therefore, in terms of numerical values, the units of L, W, X, and Y are centimeters, and L, W, X, and Y are all values greater than zero, and the values corresponding to the ratio X/L and the ratio Y/W are also Is a value greater than zero. Table A is described below:         <TABLE border="1" borderColor="#000000" width="_0003"><TBODY><tr><td> S </td><td> C </td><td> L </td>< Td> X </td><td> X/L </td><td> W </td><td> Y </td><td> Y/W </td></tr><tr> <td> 32 </td><td> R1000 </td><td> 70.842 </td><td> 22.106 </td><td> 0.312 </td><td> 39.848 </td><td > 23.618 </td><td> 0.5927 </td></tr><tr><td> R1500 </td><td> 19.681 </td><td> 0.2778 </td><td> 22.737 < /td><td> 0.5706 </td></tr><tr><td> R3000 </td><td> 17.321 </td><td> 0.2445 </td><td> 20.127 </td> <td> 0.5051 </td></tr><tr><td> 35 </td><td> R2000 </td><td> 81.712 </td><td> 23.622 </td><td> 0.2891 </td><td> 35.019 </td><td> 17.056 </td><td> 0.4870 </td></tr><tr><td> 55 </td><td> R3000 </ Td><td> 121.759 </td><td> 39.608 </td><td> 0.3253 </td><td> 68.489 </td><td> 29.858 </td><td> 0.4360 </td> </tr><tr><td> 65 </td><td> R4200 </td><td> 143.897 </td><td> 56.685 </td><td> 0.3939 </td><td> 80.942 </td><td> 33.678 </td><td> 0.4161 </td></tr></TBODY></TABLE> Table A       

在表A中，若固定曲面螢幕100的對角線長度S，則曲面螢幕100的曲率C將與第3A圖中每一個第二區域的長邊X成一個比例關係。並且，曲面螢幕100的曲率C也將與第3A圖中每一個第二區域的短邊Y成一個比例關係。舉例來說，若考慮曲面螢幕100的對角線長度S為32吋的情況下，當曲面螢幕100的曲率C越大，則每一個第二區域的長邊X會越小，且每一個第二區域的短邊Y亦會越小。而曲面螢幕100的曲率C與每一個第二區域的長邊X或每一個第二區域的短邊Y之關係可為經由多項式經由曲線擬合(Curve Fitting)程序而得，比例關係可為線性或非線性的關係。換句話說，當曲面螢幕100使用了其它的參數製成時，例如對角線為32吋且曲率為R4500的玻璃製成時，可以透過表A中求出的比例關係而推出曲面螢幕100需要將預傾角降低之每一個第二區域的長邊X以及短邊Y。然而，本發明使用擬合曲線或是回歸曲線求出曲面螢幕100之參數關係不限於上述的模式。舉例而言，曲面螢幕100在固定的對角線長度之下，螢幕曲率與比值(X/L)或比值(Y/W)也呈現一種比例關係，詳細的說明如下。In Table A, if the diagonal length S of the curved screen 100 is fixed, the curvature C of the curved screen 100 will be in a proportional relationship with the long side X of each of the second regions in FIG. 3A. Also, the curvature C of the curved screen 100 will also be in a proportional relationship with the short side Y of each of the second regions in FIG. 3A. For example, if the diagonal length S of the curved screen 100 is considered to be 32 ,, when the curvature C of the curved screen 100 is larger, the long side X of each second region will be smaller, and each The short side Y of the second area will also be smaller. The relationship between the curvature C of the curved screen 100 and the long side X of each second region or the short side Y of each second region may be obtained via a polynomial via a Curve Fitting program, and the proportional relationship may be linear. Or a non-linear relationship. In other words, when the curved screen 100 is made using other parameters, such as glass having a diagonal of 32 吋 and a curvature of R4500, the curved screen 100 can be pushed out through the proportional relationship found in Table A. The pretilt angle is reduced by the long side X and the short side Y of each of the second regions. However, the present invention uses the fitted curve or the regression curve to find that the parameter relationship of the curved screen 100 is not limited to the above mode. For example, the curved screen 100 is below a fixed diagonal length, and the curvature of the screen also exhibits a proportional relationship with the ratio (X/L) or ratio (Y/W), as described in detail below.

請參照第3B圖以及第3C圖。第3B圖係為曲面螢幕100的曲率C，與每一個第二區域的長邊X與曲面螢幕100的長邊L之比值(X/L)關係的示意圖。第3C圖係為曲面螢幕100的曲率C，與每一個第二區域的短邊Y與曲面螢幕100的短邊W之比值(Y/W)關係的示意圖。在第3B以及第3C圖中，液晶螢幕100考慮了對角線長度為32吋的液晶螢幕。請參閱第3B圖，在尺寸為32吋的液晶螢幕100中，曲率C與比值(X/L)(表示每一個第二區域的長邊X除上曲面螢幕100的長邊L)之關係實質上滿足T L=-0.00003×C+0.3351的公式。特此說明，T L即為比值(X/L)的數字，T L係為大於0且小於1的數字。舉例而言，當曲率C以1000的數值帶入公式時，會得到比值(X/L)之數值T L等於0.3051，近似於實際的比值(X/L)數值0.312。當曲率C以1500的數值帶入公式時，會得到比值(X/L)之數值T L等於0.2901，近似於實際的比值(X/L)數值0.2778。當曲率C以3000的數值帶入公式時，會得到比值(X/L)之數值T L等於0.2451，近似於實際的比值(X/L)數值0.2445。而第3B圖之回歸公式的相關係數為0.9189，以統計學而言為高準確率的線性回歸公式。換言之，固定螢幕對角線尺寸時(例如32吋)，本發明可利用公式法可以推出不同曲率下的對應比值(X/L)。亦即，設計者只要依據公式推出曲面螢幕100之比值(X/L)，可推導出適合曲面螢幕100的第二區域的長邊X。類似地，請參閱第3C圖，在尺寸為32吋的液晶螢幕100中，曲率C與比值(Y/W) (表示每一個第二區域的短邊Y除上曲面螢幕100的短邊W)之關係實質上滿足T S=-0.00004×C+0.6364的公式。特此說明，T­ S即為比值(Y/W)的數字，T­ S係為大於0且小於1的數字。舉例而言，當曲率C以1000的數值帶入公式時，會得到比值(Y/W)之數值T­ S等於0.5964，近似於實際的比值(Y/W)數值0.5927。當曲率C以1500的數值帶入公式時，會得到比值(Y/W)之數值T­ S等於0.5764，近似於實際的比值(Y/W)數值0.5706。當曲率C以3000的數值帶入公式時，會得到比值(Y/W)之數值T­ S等於0.5164，近似於實際的比值(Y/W)數值0.5051。而第3C圖之回歸公式的相關係數趨近於1，以統計學而言為高準確率的線性回歸公式。換言之，固定螢幕對角線尺寸時(例如32吋)，本發明可利用公式法可以推出不同曲率下的對應比值(Y/W)。亦即，設計者只要依據公式推出曲面螢幕100之比值(Y/W)，可推導出適合曲面螢幕100的第二區域的短邊Y。因此，利用第3B圖以及第3C圖的公式，於32吋的曲面螢幕100中，設計者可以在不同曲率C之下推出適合曲面螢幕100的第二區域的長邊X以及短邊Y。然而，本發明並不限制於32吋螢幕下的公式，亦即，本發明在實施時，可將此方法延伸，使用者在不同尺寸下之曲面螢幕，根據不同的曲率，可以利用對應的公式找出適合曲面螢幕之第二區域的矩形面積(長邊X以及短邊Y)，因此本發明具備了很高的設計彈性。 Please refer to FIG. 3B and FIG. 3C. 3B is a schematic diagram showing the relationship between the curvature C of the curved screen 100 and the ratio (X/L) of the long side X of each second region to the long side L of the curved screen 100. The 3C is a schematic diagram showing the relationship between the curvature C of the curved screen 100 and the ratio (Y/W) of the short side Y of each of the second regions to the short side W of the curved screen 100. In FIGS. 3B and 3C, the liquid crystal screen 100 considers a liquid crystal screen having a diagonal length of 32 Å. Referring to FIG. 3B, in the liquid crystal screen 100 having a size of 32 Å, the relationship between the curvature C and the ratio (X/L) (indicating the long side X of each second region divided by the long side L of the curved screen 100) is substantially The formula for T L = -0.00003 × C + 0.3351 is satisfied. Herein, T L is a number (X/L), and T L is a number greater than 0 and less than 1. For example, when the curvature C is brought into the formula by a value of 1000, the value T L of the ratio (X/L) is equal to 0.3051, which is approximately 0.312 of the actual ratio (X/L). When the curvature C is brought into the formula by a value of 1500, the value of the ratio (X/L) T L is equal to 0.2901, which is close to the actual ratio (X/L) value of 0.2778. When the curvature C is brought into the formula by a value of 3000, the value T L of the ratio (X/L) is equal to 0.2451, which is close to the actual ratio (X/L) value of 0.2445. The correlation coefficient of the regression formula of Figure 3B is 0.9189, which is statistically a linear regression formula with high accuracy. In other words, when the screen diagonal size is fixed (for example, 32 吋), the present invention can use the formula method to derive the corresponding ratio (X/L) at different curvatures. That is, the designer can derive the long side X of the second region suitable for the curved screen 100 as long as the ratio (X/L) of the curved screen 100 is derived according to the formula. Similarly, referring to FIG. 3C, in the liquid crystal screen 100 having a size of 32 Å, the curvature C and the ratio (Y/W) (indicating that the short side Y of each second region is divided by the short side W of the curved screen 100) The relationship substantially satisfies the formula of T S = -0.00004 × C + 0.6364. It is to be noted that T S is a number (Y/W), and T S is a number greater than 0 and less than 1. For example, when the curvature C is brought into the formula by a value of 1000, the value of the ratio (Y/W) T S is equal to 0.5964, which is close to the actual ratio (Y/W) value of 0.5927. When the curvature C is brought into the formula by a value of 1500, the value of the ratio (Y/W) T S is equal to 0.5764, which approximates the actual ratio (Y/W) value of 0.5706. When the curvature C is brought into the formula by a value of 3000, the value of the ratio (Y/W) T S is equal to 0.5164, which is close to the actual ratio (Y/W) value of 0.5051. The correlation coefficient of the regression equation of Figure 3C approaches 1 and is statistically a linear regression formula with high accuracy. In other words, when the screen diagonal size is fixed (for example, 32 吋), the present invention can use the formula method to derive the corresponding ratio (Y/W) at different curvatures. That is, the designer can derive the short side Y of the second region suitable for the curved screen 100 as long as the ratio (Y/W) of the curved screen 100 is derived according to the formula. Therefore, with the formulas of FIG. 3B and FIG. 3C, in the 32-inch curved screen 100, the designer can push out the long side X and the short side Y of the second region suitable for the curved screen 100 under different curvatures C. However, the present invention is not limited to the formula under the 32-inch screen, that is, the method can be extended in the implementation of the present invention, and the user can use the corresponding formula according to different curvatures according to the curved screen of different sizes. The rectangular area (long side X and short side Y) suitable for the second area of the curved screen is found, so that the present invention has high design flexibility.

以下將說明如何利用特殊的製程技術，將曲面螢幕100中之第二區域RB1至RB7的預傾角降低之方法。第4圖係為曲面螢幕100之紫外線固化時間的示意圖。曲面螢幕100為了改善顯示畫面亮度不均勻，所使用的第一種特殊的製程技術為改變紫外線固化(Ultraviolet Curing)程序。如第4圖所示，複數個第一區域RA1至RA8所用的紫外線固化時間為T1，而複數個第二區域RB1至RB7所用的紫外線固化時間為T2。並且，紫外線固化時間為T2大於紫外線固化時間為T1。這種製程技術將導致複數個第二區域RB1至RB7的預傾角比複數個第一區域RA1至RA8的預傾角要小，其原因描述於下。當曲面螢幕100執行紫外線固化的製程時，紫外線固化的時間越長，會造成預傾角減少的結果。表B列出了紫外線固化時間以及預傾角的關係，如下。 <TABLE border="1" borderColor="#000000" width="_0004"><TBODY><tr><td>   </td><td> 預傾角的角度 </td></tr><tr><td> 紫外線固化時間為60秒 </td><td> 89.4 </td></tr><tr><td> 紫外線固化時間為120秒 </td><td> 89.2 </td></tr><tr><td> 紫外線固化時間為180秒 </td><td> 88.7 </td></tr><tr><td> 紫外線固化時間為240秒 </td><td> 88.5 </td></tr></TBODY></TABLE>表B A method of reducing the pretilt angle of the second regions RB1 to RB7 in the curved screen 100 using a special process technique will be described below. Figure 4 is a schematic illustration of the UV curing time of the curved screen 100. In order to improve the brightness unevenness of the display screen, the first special process technology used is to change the ultraviolet curing (Ultraviolet Curing) program. As shown in Fig. 4, the ultraviolet curing time used for the plurality of first regions RA1 to RA8 is T1, and the ultraviolet curing time for the plurality of second regions RB1 to RB7 is T2. Further, the ultraviolet curing time is T2 and the ultraviolet curing time is T1. This process technique will result in a pretilt angle of the plurality of second regions RB1 to RB7 being smaller than a pretilt angle of the plurality of first regions RA1 to RA8, the reason of which is described below. When the curved screen 100 performs a process of ultraviolet curing, the longer the ultraviolet curing time, the result of a decrease in the pretilt angle. Table B lists the relationship between UV curing time and pretilt angle as follows.         <TABLE border="1" borderColor="#000000" width="_0004"><TBODY><tr><td> </td><td> Angle of pretilt</td></tr><tr> <td> UV curing time is 60 seconds</td><td> 89.4 </td></tr><tr><td> UV curing time is 120 seconds</td><td> 89.2 </td>< /tr><tr><td> UV curing time is 180 seconds</td><td> 88.7 </td></tr><tr><td> UV curing time is 240 seconds</td><td> 88.5 </td></tr></TBODY></TABLE>Table B       

由於紫外線固化時間越長，會導致預傾角減小的效果，因此，曲面螢幕100的紫外線固化程序，可將複數個第二區域RB1至RB7所用的紫外線固化時間T2增加，以達到複數個第二區域RB1至RB7的預傾角減小的效果。而實施的方法可為，先對曲面螢幕100進行第一階段之紫外線固化程序，此時，複數個第一區域RA1至RA8及複數個第二區域RB1至RB7會被紫外線光照射T­step1秒。接下來，可利用一個光遮罩屏蔽掉複數個第一區域RA1至RA8，並對曲面螢幕100進行第二階段之紫外線固化程序。此時，複數個第二區域RB1至RB7會被紫外線光照射T­step2秒。因此，複數個第一區域RA1至RA8所用的紫外線固化時間T1即為T­step1秒，而複數個第二區域RB1至RB7所用的紫外線固化時間T2即為T­step1+T­step2秒。換句話說，依據上述的實施方式，複數個第二區域RB1至RB7所用的紫外線固化時間T2會大於複數個第一區域RA1至RA8所用的紫外線固化時間T1。因此曲面螢幕100將會顯示較為均勻的亮度。Since the longer the ultraviolet curing time, the effect of reducing the pretilt angle is caused, the ultraviolet curing process of the curved screen 100 can increase the ultraviolet curing time T2 used for the plurality of second regions RB1 to RB7 to achieve a plurality of second. The effect of the pretilt angle reduction of the regions RB1 to RB7. The method may be implemented by first performing the first stage ultraviolet curing process on the curved screen 100. At this time, the plurality of first regions RA1 to RA8 and the plurality of second regions RB1 to RB7 are irradiated with ultraviolet light for 1 second. Next, a plurality of first regions RA1 to RA8 can be shielded by a light mask, and the second stage ultraviolet curing process is performed on the curved screen 100. At this time, the plurality of second regions RB1 to RB7 are irradiated with ultraviolet light for T seconds for 2 seconds. Therefore, the ultraviolet curing time T1 used for the plurality of first regions RA1 to RA8 is T­step1 second, and the ultraviolet curing time T2 used for the plurality of second regions RB1 to RB7 is T­step1+T­step2 seconds. In other words, according to the above embodiment, the ultraviolet curing time T2 used for the plurality of second regions RB1 to RB7 is greater than the ultraviolet curing time T1 used for the plurality of first regions RA1 to RA8. Therefore, the curved screen 100 will display a relatively uniform brightness.

第5圖係為曲面螢幕100塗佈不同多面體矽氧烷(Polyhedral Oligomeric Silsesquioxane)粒子濃度的配向層(Polyimide)的示意圖。曲面螢幕100為了改善顯示畫面亮度不均勻，所使用的第二種特殊的製程技術為改變塗佈配向層的程序。而配向層係為曲面螢幕100之玻璃與液晶之間的塗層，因此配向層也會決定液晶分子傾倒的角度。如第5圖所示，複數個第一區域RA1至RA8塗佈了原配向層。原配向層的定義為未摻雜多面體矽氧烷粒子的配向層。複數個第二區域RB1至RB7塗佈了摻雜多面體矽氧烷粒子的配向層。這種製程技術將導致複數個第二區域RB1至RB7的預傾角比複數個第一區域RA1至RB8的預傾角要小，其原因描述於下。當曲面螢幕100執行配向層的塗佈製程時，配向層中摻雜多面體矽氧烷粒子的濃度，會改變液晶分子的預傾角，因此會影響預傾角的角度。舉例而言，當使用摻雜重量百分濃度為0.06至0.07之間的多面體矽氧烷粒子之配向層塗佈於曲面螢幕100時，會使預傾角降至約86度。而當使用未摻雜多面體矽氧烷粒子的原配向層塗佈於曲面螢幕100時，將不會改變預傾角(維持約88至89度)。而實施的方法可為，在轉印配向層至曲面螢幕100之前，先利用遮罩屏蔽掉複數個第一區域RA1至RA8。之後，在對曲面螢幕100塗佈摻雜多面體矽氧烷粒子的配向層。因此，曲面螢幕100上只有複數個第二區域RB1至RB7塗佈了摻雜多面體矽氧烷粒子的配向層。接下來，於後烘(Post Bake)程序完成後，拿掉屏蔽掉複數個第一區域RA1至RA8的遮罩，並對曲面螢幕100上塗佈未摻雜多面體矽氧烷粒子的原配向層。因此，最後完成的曲面螢幕100中，複數個第一區域RA1至RA8會塗佈未摻雜多面體矽氧烷粒子的原配向層，而複數個第二區域RB1至RB7會塗佈摻雜多面體矽氧烷粒子的配向層。因此曲面螢幕100將會顯示較為均勻的亮度。簡言之，複數個第一區域RA1至RA8可塗佈未摻雜多面體矽氧烷粒子的配向層，以保證預傾角維持約88至89度，而複數個第二區域RB1至RB7可塗佈摻雜重量百分濃度為0.06至0.07之間的多面體矽氧烷粒子之配向層，使預傾角下降至86度左右。然而，本發明利用塗佈原配向層以及摻雜多面體矽氧烷粒子的配向層來使曲面螢幕100顯示較為均勻的亮度之方法並不被上述製程所限制。舉例而言，複數個第二區域RB1至RB7可塗佈摻雜預定濃度的多面體矽氧烷粒子之配向層，以達到降低預傾角的效果。Fig. 5 is a schematic view showing an alignment layer of a polyhedral Oligomeric Silsesquioxane particle concentration coated on a curved screen 100. In order to improve the brightness unevenness of the display screen, the second special process technology used is to change the process of coating the alignment layer. The alignment layer is a coating between the glass and the liquid crystal of the curved screen 100, so the alignment layer also determines the angle at which the liquid crystal molecules are tilted. As shown in Fig. 5, a plurality of first regions RA1 to RA8 are coated with the original alignment layer. The original alignment layer is defined as an alignment layer of undoped polyhedral siloxane beads. The plurality of second regions RB1 to RB7 are coated with an alignment layer of doped polyhedral siloxane beads. This process technique will result in a pretilt angle of the plurality of second regions RB1 to RB7 being smaller than a pretilt angle of the plurality of first regions RA1 to RB8, the reason of which is described below. When the curved screen 100 performs the coating process of the alignment layer, the concentration of the doped polyhedane particles in the alignment layer changes the pretilt angle of the liquid crystal molecules, thus affecting the angle of the pretilt angle. For example, when an alignment layer of polyhedral siloxane beads having a doping weight percent concentration of between 0.06 and 0.07 is applied to the curved screen 100, the pretilt angle is reduced to about 86 degrees. When the original alignment layer using undoped polyhedral siloxane beads is applied to the curved screen 100, the pretilt angle will not be changed (maintaining about 88 to 89 degrees). The method may be implemented by masking the plurality of first regions RA1 to RA8 with a mask before transferring the alignment layer to the curved screen 100. Thereafter, an alignment layer of doped polyhedral siloxane beads is applied to the curved screen 100. Therefore, only a plurality of second regions RB1 to RB7 on the curved screen 100 are coated with an alignment layer of doped polyhedral siloxane beads. Next, after the Post Bake process is completed, the mask that shields the plurality of first regions RA1 to RA8 is removed, and the original alignment layer of the undoped polyhedral siloxane particles is coated on the curved screen 100. . Therefore, in the final curved screen 100, the plurality of first regions RA1 to RA8 may coat the original alignment layer of the undoped polyhedral siloxane particles, and the plurality of second regions RB1 to RB7 may be coated with the doped polyhedron 矽An alignment layer of oxyalkylene particles. Therefore, the curved screen 100 will display a relatively uniform brightness. In short, the plurality of first regions RA1 to RA8 may coat the alignment layer of the undoped polyhedral siloxane particles to ensure that the pretilt angle is maintained at about 88 to 89 degrees, and the plurality of second regions RB1 to RB7 may be coated. The alignment layer of the polyhedral alumoxane particles having a doping weight concentration of between 0.06 and 0.07 reduces the pretilt angle to about 86 degrees. However, the present invention utilizes an alignment layer that coats the original alignment layer and the doped polyhedral siloxane particles to cause the curved screen 100 to display a relatively uniform brightness without being limited by the above process. For example, the plurality of second regions RB1 to RB7 may be coated with an alignment layer doped with a predetermined concentration of polyhedral siloxane molecules to achieve an effect of reducing the pretilt angle.

為了描述完整，以下將改善曲面螢幕100的顯示品質之製造方法說明如下。第6圖係為改善曲面螢幕100的顯示品質之製造方法的流程圖，方法包含步驟S601及步驟S602，如下： <TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> 步驟S601： </td><td> 製造該曲面螢幕100的複數個第一區域RA1至RA8，以使該些第一區域RA1至RA8之每一區域滿足設定的預傾角； </td></tr><tr><td> 步驟S602： </td><td> 製造該曲面螢幕100的複數個第二區域RB1至RB7，以使該些第二區域RB1至RB7之每一區域滿足設定的預傾角，並使該些第二區域RB1至RB7之至少一個第二區域的預傾角小於該些第一區域RA1至RA8之每一區域的預傾角以下。 </td></tr></TBODY></TABLE>For the sake of completeness of description, the following manufacturing method for improving the display quality of the curved screen 100 will be described below. Figure 6 is a flow chart showing a manufacturing method for improving the display quality of the curved screen 100. The method includes steps S601 and S602, as follows:         <TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> Step S601: </td><td> Manufacturing a plurality of first regions of the curved screen 100 RA1 to RA8 such that each of the first regions RA1 to RA8 satisfies a set pretilt angle; </td></tr><tr><td> Step S602: </td><td> a plurality of second regions RB1 to RB7 of the curved screen 100 such that each of the second regions RB1 to RB7 satisfies a set pretilt angle and at least one second region of the second regions RB1 to RB7 The pretilt angle is less than a pretilt angle of each of the first regions RA1 to RA8. </td></tr></TBODY></TABLE>

步驟S601及步驟S602對應了第2圖，將曲面螢幕100依比例分為8個第一區域RA1至RA8以及7個第二區域RB1至RB7。該些第二區域RB1至RB7分佈在曲面螢幕100的十字型區域的範圍。十字型區域由曲面螢幕100的上側延伸至曲面螢幕100的下側，且由曲面螢幕100的左側延伸至曲面螢幕100的右側。該些第一區域RA1至RA8分佈在曲面螢幕100的十字型區域範圍以外的周邊區域。在步驟S601中，曲面螢幕100的複數個第一區域RA1至RA8會被製造並符合預定的預傾角，例如滿足原始設定之約88至89度的預傾角。而在步驟S602中，曲面螢幕100的複數個第二區域RB1至RB7會被製造並符合預定的預傾角，例如滿足約86度的預傾角。然而，本發明步驟S601以及步驟S602的製造順序並不被第6圖所侷限。並且，本發明之步驟S601以及步驟S602並不被8個第一區域RA1至RA8以及7個第二區域RB1至RB7所侷限。舉例而言，曲面螢幕100可分為NA個第一區域以及NB個第二區域，且NA可為大於3及NB可為大於4的正整數。而步驟S602中的額外條件為，曲面螢幕100上的該些第二區域RB1至RB7中之至少一個第二區域的預傾角將減少至該些第一區域RA1至RA8中之每一個區域的預傾角以下。為了滿足步驟S602的設定條件，步驟S601以及步驟S602的實施方案可為利用前述提及之兩種製程方法實現。第一種方法為變更紫外線固化的程序，利用第一區域及第二區域照射紫外線的時間差異性來改善顯示畫面亮度不均勻的問題。第二種方法為變更塗佈配向層的程序，利用第二區域塗佈預定濃度之多面體矽氧烷粒子的配向層，來改善顯示畫面亮度不均勻的問題。因此，經過步驟S601及步驟S602後，所製成的曲面螢幕100，由於中心的十字型區域之預傾角降低，故導致對應的遲滯值(Retardation)增加，使中心的十字型區域獲得亮度補償，顯示比原本預設亮度值要高的亮度，減低了與周邊區域的亮度對比，因此可達到顯示畫面亮度均勻的效果。Step S601 and step S602 correspond to FIG. 2, and the curved screen 100 is proportionally divided into eight first regions RA1 to RA8 and seven second regions RB1 to RB7. The second regions RB1 to RB7 are distributed over a range of a cross-shaped region of the curved screen 100. The cross-shaped area extends from the upper side of the curved screen 100 to the lower side of the curved screen 100 and extends from the left side of the curved screen 100 to the right side of the curved screen 100. The first regions RA1 to RA8 are distributed in a peripheral region outside the range of the cross-shaped region of the curved screen 100. In step S601, the plurality of first regions RA1 to RA8 of the curved screen 100 are manufactured and conform to a predetermined pretilt angle, for example, a pretilt angle that satisfies the original setting of about 88 to 89 degrees. In step S602, the plurality of second regions RB1 to RB7 of the curved screen 100 are manufactured and conform to a predetermined pretilt angle, for example, a pretilt angle of about 86 degrees. However, the manufacturing sequence of step S601 and step S602 of the present invention is not limited by FIG. Moreover, step S601 and step S602 of the present invention are not limited by the eight first regions RA1 to RA8 and the seven second regions RB1 to RB7. For example, the curved screen 100 can be divided into NA first regions and NB second regions, and the NA can be greater than 3 and NB can be a positive integer greater than 4. The additional condition in step S602 is that the pretilt angle of at least one of the second regions RB1 to RB7 on the curved screen 100 is reduced to each of the first regions RA1 to RA8. Below the dip. In order to satisfy the setting conditions of step S602, the implementation of steps S601 and S602 may be implemented by using the two process methods mentioned above. The first method is to change the ultraviolet curing process, and to improve the brightness unevenness of the display screen by utilizing the time difference of the ultraviolet rays in the first region and the second region. The second method is a procedure for changing the coating alignment layer, and applying an alignment layer of polyhedral siloxane beads having a predetermined concentration in the second region to improve the unevenness of brightness of the display screen. Therefore, after the step S601 and the step S602, the curved screen 100 is formed, and the pretilt angle of the center cross-shaped area is lowered, so that the corresponding hysteresis value is increased, and the center cross-shaped area is compensated for brightness. The brightness is higher than the original preset brightness value, and the brightness contrast with the surrounding area is reduced, so that the brightness of the display screen is uniform.

本發明利用了不同的製造方法，使第一區域RA1至RA8的預傾角維持約略為88至89度，而第二區域RB1至RB7的預傾角下降至約莫86度，藉以將第二區域RB1至RB7獲得亮度補償的效果，以降低不同區域之間顯示亮度的差異性。然而，本發明的預傾角設定方式不以上述為限。舉例而言，當第一區域RA1至RA8的原始預傾角為K度，而第二區域RB1至RB7的預傾角為(K-2)至(K-3)度(其中K為接近90的正數)，亦即第一區域RA1至RA8之每一個區域的預傾角與第二區域RB1至RB7之至少一個第二區域的預傾角相差2至3度時，亦具有增加畫面顯示亮度的均勻度的效果。The present invention utilizes different manufacturing methods such that the pretilt angles of the first regions RA1 to RA8 are maintained at approximately 88 to 89 degrees, and the pretilt angles of the second regions RB1 to RB7 are decreased to approximately 86 degrees, whereby the second region RB1 is RB7 achieves the effect of brightness compensation to reduce the difference in display brightness between different areas. However, the pretilt angle setting mode of the present invention is not limited to the above. For example, when the original pretilt angles of the first regions RA1 to RA8 are K degrees, and the pretilt angles of the second regions RB1 to RB7 are (K-2) to (K-3) degrees (where K is a positive number close to 90) ), that is, when the pretilt angle of each of the first regions RA1 to RA8 is different from the pretilt angle of at least one second region of the second regions RB1 to RB7 by 2 to 3 degrees, the uniformity of the brightness of the screen display is also increased. effect.

綜上所述，本發明描述了一種曲面螢幕以及曲面螢幕的製造方法。曲面螢幕首先被切割為複數個區域，利用製程的變動來將曲面螢幕中心十字型區域的預傾角降低，以使曲面螢幕中心十字型區域與周邊區域所顯示出的亮度對比值變小。而曲面螢幕仍可使用一般常用的較厚玻璃材質，利用變更紫外線固化的程序或利用變更塗佈配向層的程序使螢幕中心十字型區域的預傾角降低。因此，本發明的曲面螢幕除了具備高設計彈性之外，也可以改善因周邊泛亮現象(Initial White Mura，IWM)而造成的顯示畫面亮度不均勻的問題。 以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。In summary, the present invention describes a method of manufacturing a curved screen and a curved screen. The curved screen is first cut into a plurality of areas, and the pre-tilt angle of the cross-shaped area of the curved screen center is reduced by the variation of the process, so that the brightness contrast value displayed by the cross-shaped area and the surrounding area of the curved screen center is reduced. The curved screen can still use the thicker glass material that is commonly used, and the pre-tilt angle of the cross-shaped area of the screen is reduced by changing the ultraviolet curing process or by changing the process of coating the alignment layer. Therefore, in addition to the high design flexibility, the curved screen of the present invention can also improve the brightness unevenness of the display screen caused by the Initial White Mura (IWM). The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

100‧‧‧曲面螢幕
RA1至RA8‧‧‧第一區域
RB1至RB7‧‧‧第二區域
X‧‧‧每一個第二區域的長邊
Y‧‧‧每一個第二區域的短邊
T1及T2‧‧‧紫外線固化時間
S601及S602‧‧‧步驟
(Y/W)以及(X/L)‧‧‧比值
L‧‧‧曲面螢幕的長邊
W‧‧‧曲面螢幕的短邊100‧‧‧ curved screen
RA1 to RA8‧‧‧ first area
RB1 to RB7‧‧‧Second area
X‧‧‧The long side of each second zone
Y‧‧‧ short side of each second area
T1 and T2‧‧‧ UV curing time
S601 and S602‧‧ steps
(Y/W) and (X/L) ‧ ‧ ratio
Long side of L‧‧‧ curved screen
W‧‧‧ Short side of curved screen

第1圖係為本發明之曲面螢幕之實施例的架構圖。 第2圖係為第1圖之曲面螢幕各區域的預傾角示意圖。 第3A圖係為第1圖之曲面螢幕各區域的邊長定義的示意圖。 第3B圖係為曲面螢幕的曲率，與每一個第二區域的長邊與曲面螢幕長邊之比值關係的示意圖。 第3C圖係為曲面螢幕的曲率，與每一個第二區域的短邊與曲面螢幕短邊之比值關係的示意圖。 第4圖係為第1圖之曲面螢幕之紫外線固化時間的示意圖。 第5圖係為第1圖之曲面螢幕塗佈不同多面體矽氧烷濃度粒子之配向層的示意圖。 第6圖係為改善曲面螢幕的顯示品質之製造方法的流程圖。Figure 1 is an architectural diagram of an embodiment of a curved screen of the present invention. Figure 2 is a schematic diagram of the pretilt angle of each area of the curved screen of Figure 1. Fig. 3A is a schematic diagram showing the definition of the side length of each area of the curved screen of Fig. 1. Figure 3B is a schematic diagram showing the relationship between the curvature of the curved screen and the ratio of the long side of each second area to the long side of the curved screen. Figure 3C is a schematic diagram showing the relationship between the curvature of the curved screen and the ratio of the short side of each second area to the short side of the curved screen. Figure 4 is a schematic illustration of the UV curing time of the curved screen of Figure 1. Fig. 5 is a schematic view showing the alignment layer of different polyhedral decane concentration particles coated with the curved screen of Fig. 1. Fig. 6 is a flow chart showing a manufacturing method for improving the display quality of a curved screen.

100‧‧‧曲面螢幕 100‧‧‧ curved screen

RA1至RA8‧‧‧第一區域 RA1 to RA8‧‧‧ first area

RB1至RB7‧‧‧第二區域 RB1 to RB7‧‧‧Second area

Claims (14)

一種曲面螢幕，包含： 複數個第一區域；及 複數個第二區域； 其中該些第二區域係分佈在該曲面螢幕的一十字型區域，該十字型區域係由該曲面螢幕的上側延伸至該曲面螢幕的下側，且由該曲面螢幕的左側延伸至該曲面螢幕的右側，該些第一區域係分佈在該曲面螢幕的該十字型區域以外的周邊區域，且該些第二區域之至少一第二區域的一預傾角(Pre-tilt Angle)小於該些第一區域之每一區域的一預傾角。A curved screen comprising: a plurality of first regions; and a plurality of second regions; wherein the second regions are distributed in a cross-shaped region of the curved screen, the cross-shaped region extending from an upper side of the curved screen to a lower side of the curved screen, and extending from a left side of the curved screen to a right side of the curved screen, the first areas are distributed in a peripheral area outside the cross-shaped area of the curved screen, and the second areas are A pre-tilt angle of the at least one second region is less than a pretilt angle of each of the first regions. 如請求項1所述之曲面螢幕，其中該些第一區域的每一區域所顯示之該第一亮度的一平均值實質上等於該些第二區域的每一區域所顯示之該第二亮度的一平均值。The curved screen of claim 1, wherein an average value of the first brightness displayed by each of the first regions is substantially equal to the second brightness displayed by each of the second regions An average value. 如請求項1所述之曲面螢幕，其中該曲面螢幕實質上係為一65吋的玻璃材質螢幕，該些第二區域之預傾角實質上係為86度，且該些第一區域之預傾角實質上係為88至89度之間。The curved screen of claim 1, wherein the curved screen is substantially a 65-inch glass material screen, and the pretilt angles of the second regions are substantially 86 degrees, and the pretilt angles of the first regions are Essentially between 88 and 89 degrees. 如請求項1至3中任一項所述之曲面螢幕，其中該些第二區域係為相等面積之矩形區域，且該些第一區域之該每一區域的預傾角與該些第二區域之該至少一第二區域的預傾角相差2至3度。The curved screen of any one of claims 1 to 3, wherein the second regions are rectangular regions of equal area, and the pretilt angle of each of the first regions and the second regions The pretilt angle of the at least one second region differs by 2 to 3 degrees. 如請求項1至3任一項所述之曲面螢幕，其中當該曲面螢幕之一對角線距離為32吋時，該曲面螢幕的一曲率，與該些第二區域之每一區域的一長邊與該曲面螢幕的一長邊之一比值實質上滿足T L=-0.00003×C+0.3351的關係，C係為該曲面螢幕的該曲率，及T L係為該些第二區域之該每一區域的該長邊與該曲面螢幕的該長邊之該比值。 The curved screen of any one of claims 1 to 3, wherein a curvature of the curved screen and a region of each of the second regions are one when a diagonal distance of the curved screen is 32 对The ratio of the long side to one of the long sides of the curved screen substantially satisfies the relationship of T L = -0.00003 × C + 0.3351, C is the curvature of the curved screen, and T L is the second area The ratio of the long side of each region to the long side of the curved screen. 如請求項1至3任一項所述之曲面螢幕，其中當該曲面螢幕之一對角線距離為32吋時，該曲面螢幕的一曲率，與該些第二區域之每一區域的一短邊與該曲面螢幕的一短邊之一比值實質上滿足T­ S=-0.00004×C+0.6364的關係，C係為該曲面螢幕的該曲率，及T­ S係為該些第二區域之該每一區域的該短邊與該曲面螢幕的該短邊之該比值。 The curved screen of any one of claims 1 to 3, wherein a curvature of the curved screen and a region of each of the second regions are one when a diagonal distance of the curved screen is 32 对The ratio of the short side to a short side of the curved screen substantially satisfies the relationship of T S = -0.00004 × C + 0.6364, C is the curvature of the curved screen, and the T S is the second area The ratio of the short side of each region to the short side of the curved screen. 如請求項1至3任一項所述之曲面螢幕，其中： 該曲面螢幕之一長邊為L公分，該些第二區域之每一區域的長邊為X公分，該些第二區域之該每一區域的長邊除以該曲面螢幕之該長邊的一比值為X/L，且L、X及X/L係為三個大於零的數值； 若該曲面螢幕之一對角線距離為32吋且使用一R1000的曲率製成時，X/L約為0.312； 若該曲面螢幕之該對角線距離為32吋且使用一R1500的曲率製成時，X/L約為0.2778； 若該曲面螢幕之該對角線距離為32吋且使用一R3000的曲率製成時，X/L約為0.2445； 若該曲面螢幕之該對角線距離為35吋且使用一R2000的曲率製成時，X/L約為0.2891； 若該曲面螢幕之該對角線距離為55吋且使用一R3000的曲率製成時，X/L約為0.3253；及 若該曲面螢幕之該對角線距離為65吋且使用一R4200的曲率製成時，X/L約為0.3939。The curved screen according to any one of claims 1 to 3, wherein: one of the curved screens has a long side of L cm, and each of the second areas has a long side of X cm, and the second area The ratio of the long side of each area divided by the long side of the curved screen is X/L, and the L, X and X/L are three values greater than zero; if one of the curved screens is diagonal When the distance is 32吋 and the curvature of an R1000 is used, the X/L is about 0.312. If the diagonal distance of the curved screen is 32吋 and the curvature is R1500, the X/L is about 0.2778. If the diagonal of the curved screen is 32 吋 and is made using a curvature of R3000, X/L is about 0.2445; if the diagonal of the curved screen is 35 吋 and the curvature of an R2000 is used When fabricated, X/L is about 0.2891; if the diagonal distance of the curved screen is 55 吋 and is made using a curvature of R3000, X/L is about 0.3253; and if the curved screen is diagonal When the line distance is 65 吋 and is made using a curvature of R4200, the X/L is about 0.3939. 如請求項1至3任一項所述之曲面螢幕，其中： 該曲面螢幕之一短邊為W公分，該些第二區域之每一區域的短邊為Y公分，該些第二區域之該每一區域的短邊除以該曲面螢幕之該短邊的一比值為Y/W，且W、Y及Y/W係為三個大於零的數值； 若該曲面螢幕之一對角線距離為32吋且使用一R1000的曲率製成時，Y/W約為0.5927； 若該曲面螢幕之該對角線距離為32吋且使用一R1500的曲率製成時，Y/W約為0.5706； 若該曲面螢幕之該對角線距離為32吋且使用一R3000的曲率製成時，Y/W約為0.5051； 若該曲面螢幕之該對角線距離為35吋且使用一R2000的曲率製成時，Y/W約為0.4870； 若該曲面螢幕之該對角線距離為55吋且使用一R3000的曲率製成時，Y/W約為0.4360；及 若該曲面螢幕之該對角線距離為65吋且使用一R4200的曲率製成時，Y/W約為0.4161。The curved screen according to any one of claims 1 to 3, wherein: one of the curved screens has a short side of W cm, and each of the second areas has a short side of Y cm, and the second area The ratio of the short side of each area divided by the short side of the curved screen is Y/W, and the W, Y, and Y/W are three values greater than zero; if one of the curved screens is diagonal When the distance is 32吋 and the curvature of an R1000 is used, the Y/W is about 0.5927. If the diagonal distance of the curved screen is 32吋 and the curvature is R1500, the Y/W is about 0.5706. If the diagonal distance of the curved screen is 32吋 and is made using a curvature of R3000, Y/W is about 0.5051; if the diagonal distance of the curved screen is 35吋 and the curvature of an R2000 is used When fabricated, Y/W is about 0.4870; if the diagonal distance of the curved screen is 55 吋 and is made using a curvature of R3000, Y/W is about 0.4360; and if the curved screen is diagonal When the line distance is 65 吋 and is made using the curvature of an R4200, the Y/W is about 0.4161. 一種曲面螢幕的製造方法，包含： 製造該曲面螢幕的複數個第一區域，以使該些第一區域之每一區域滿足設定的一預傾角；及 製造該曲面螢幕的複數個第二區域，以使該些第二區域之每一區域滿足設定的一預傾角，並使該些第二區域之至少一第二區域的預傾角小於該些第一區域之每一區域的預傾角以下； 其中，該些第二區域係分佈在該曲面螢幕的一十字型區域，該十字型區域係由該曲面螢幕的上側延伸至該曲面螢幕的下側，且由該曲面螢幕的左側延伸至該曲面螢幕的右側，該些第一區域係分佈在該曲面螢幕的該十字型區域以外的周邊區域。A method for manufacturing a curved screen, comprising: manufacturing a plurality of first regions of the curved screen such that each of the first regions satisfies a set pretilt angle; and manufacturing a plurality of second regions of the curved screen, So that each of the second regions satisfies a set pretilt angle, and the pretilt angle of at least one second region of the second regions is less than a pretilt angle of each of the first regions; The second area is distributed in a cross-shaped area of the curved screen, and the cross-shaped area extends from an upper side of the curved screen to a lower side of the curved screen, and extends from a left side of the curved screen to the curved screen On the right side, the first regions are distributed in a peripheral region outside the cross-shaped region of the curved screen. 如請求項9所述之方法，其中該些第一區域顯示的一平均亮度實質上等於該些第二區域顯示的一平均亮度。The method of claim 9, wherein the average brightness of the first regions is substantially equal to an average brightness displayed by the second regions. 如請求項9所述之方法，其中使該些第二區域之至少一第二區域的預傾角小於該些第一區域之每一區域的預傾角以下的方法，包含： 對該曲面螢幕執行一紫外線固化程序，使該些第二區域所對應的一紫外線固化時間與該些第一區域對應的一紫外線固化時間不同。The method of claim 9, wherein the method of causing the pretilt angle of the at least one second region of the second regions to be less than a pretilt angle of each of the first regions comprises: performing a The ultraviolet curing process causes the ultraviolet curing time corresponding to the second regions to be different from the ultraviolet curing time corresponding to the first regions. 如請求項9所述之方法，其中使該些第二區域之至少一第二區域的預傾角小於該些第一區域之每一區域的預傾角以下的方法，包含： 對該曲面螢幕進行一第一階段之紫外線固化； 使用一遮罩屏蔽該些第一區域；及 於使用該遮罩屏蔽該些第一區域後，對該曲面螢幕進行一第二階段之紫外線固化，以使該些第二區域所對應的一紫外線固化時間大於該些第一區域所對應的一紫外線固化時間。The method of claim 9, wherein the method of causing the pretilt angle of the at least one second region of the second regions to be less than a pretilt angle of each of the first regions comprises: performing a The first stage of ultraviolet curing; shielding the first regions with a mask; and after shielding the first regions with the mask, performing a second stage of ultraviolet curing on the curved screen to make the first The ultraviolet curing time corresponding to the two regions is greater than the ultraviolet curing time corresponding to the first regions. 如請求項9所述之方法，其中使該些第二區域之至少一第二區域的預傾角小於該些第一區域之每一區域的預傾角以下的方法，包含： 對該曲面螢幕之該些第二區域塗佈一第一配向層(Polyimide)，且對該曲面螢幕之該些第一區域塗佈一第二配向層； 其中該第二配向層未摻雜多面體矽氧烷(Polyhedral Oligomeric Silsesquioxane)粒子，該第一配向層有摻雜一預定濃度的多面體矽氧烷粒子。The method of claim 9, wherein the method of causing the pretilt angle of the at least one second region of the second regions to be less than a pretilt angle of each of the first regions comprises: The second regions are coated with a first alignment layer (Polyimide), and the first regions of the curved screen are coated with a second alignment layer; wherein the second alignment layer is undoped polyhedral arborane (Polyhedral Oligomeric) Silsesquioxane) particles having a first alignment layer doped with a predetermined concentration of polyhedral siloxane beads. 如請求項9所述之方法，其中使該些第二區域之至少一第二區域的預傾角小於該些第一區域之每一區域的預傾角以下的方法，包含： 使用一遮罩屏蔽該些第一區域； 對該曲面螢幕塗佈摻雜多面體矽氧烷(Polyhedral Oligomeric Silsesquioxane)粒子的一第一配向層(Polyimide)，以於該些第二區域塗佈該第一配向層；及 將屏蔽該些第一區域的該遮罩移除，並對該曲面螢幕塗佈未摻雜該多面體矽氧烷粒子的一第二配向層，以於該些第一區域塗佈該第二配向層。The method of claim 9, wherein the method of causing the pretilt angle of the at least one second region of the second regions to be less than a pretilt angle of each of the first regions comprises: shielding the mask with a mask a first region; a first alignment layer of polyhedral Oligomeric Silsesquioxane particles coated on the curved surface to coat the first alignment layer in the second regions; Masking the masks of the first regions, and coating the curved screen with a second alignment layer that is not doped with the polyhedral siloxane particles to apply the second alignment layer to the first regions .
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