WO2012151758A1 - 面板对位装置及面板对位方法 - Google Patents

面板对位装置及面板对位方法 Download PDF

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Publication number
WO2012151758A1
WO2012151758A1 PCT/CN2011/074015 CN2011074015W WO2012151758A1 WO 2012151758 A1 WO2012151758 A1 WO 2012151758A1 CN 2011074015 W CN2011074015 W CN 2011074015W WO 2012151758 A1 WO2012151758 A1 WO 2012151758A1
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WO
WIPO (PCT)
Prior art keywords
display panel
panel
jig
clamp
alignment device
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PCT/CN2011/074015
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English (en)
French (fr)
Inventor
卢嘉圣
魏登洲
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/143,244 priority Critical patent/US8901525B2/en
Priority to DE112011105221.9T priority patent/DE112011105221B4/de
Publication of WO2012151758A1 publication Critical patent/WO2012151758A1/zh

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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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • G02F1/133354—Arrangements for aligning or assembling substrates

Definitions

  • the present invention relates to a panel alignment device and a panel alignment method, and more particularly to a panel alignment device and method for a aligning upright panel.
  • Liquid crystal display (Liquid Crystal Display, LCD) has been widely used in a variety of electronic products, most of the liquid crystal display is a backlight type liquid crystal display, which is composed of a liquid crystal display panel and a backlight module (backlight Module).
  • the liquid crystal display panel is composed of two transparent substrates and a liquid crystal sealed between the substrates.
  • the panel may need to be processed in an upright state.
  • the panel may be in an upright state to simultaneously fit the polarizer to the panel. The opposite sides.
  • the panel when the panel is processed in an upright state, the panel can be fixed and positioned by a plurality of rollers or suction cups.
  • the panel when the panel is fixed on a plurality of rollers, it is required to have a higher cutting precision of the panel and the quality of the roller. If the cutting precision of the panel or the quality of the roller is not good, the upright panel is liable to have a positioning error problem.
  • the friction between the panel and the clamping roller is large, and it is easy to cause a bad point on the panel.
  • the suction cup needs to have a very high flatness, and the friction between the panel and the clamping suction cup is also large, and the suction cup is easily damaged, and particles are easily generated on the panel.
  • the invention provides a panel alignment device and a panel alignment method to solve the alignment problem of the vertical panel.
  • a main object of the present invention is to provide a panel alignment device for aligning a display panel, wherein the display panel has a surrounding non-display area, and the panel alignment device includes:
  • a position detector for detecting a position of the upright display panel and calculating a positioning adjustment amount
  • a first clamp for clamping the upright display panel to the surrounding non-display area, and rotating the display panel according to the positioning adjustment amount calculated by the positioning detector to adjust the display panel position.
  • Another object of the present invention is to provide a panel alignment method for a display panel that is aligned, wherein the method includes the following steps:
  • the first clamp to clamp the upright display panel to the surrounding non-display area, and rotating the display panel according to the positioning adjustment amount calculated by the positioning detector to adjust the position of the display panel .
  • the panel alignment device further includes a transport assembly for transporting the upright display panel to a predetermined position.
  • the position detector is an image sensing component, configured to capture an image of the alignment mark of the display panel, and calculate the image by using the image data of the alignment mark Position the adjustment amount.
  • the surrounding non-display area is a light blocking area.
  • the first clamp is an L-shaped clamp for clamping at an end corner of the display panel.
  • the first clamp is a trapezoidal or rectangular clamp for clamping on one side of the display panel.
  • the first jig includes a groove and a buffer layer, and the buffer layer is formed on an inner side surface of the groove.
  • the panel alignment device further includes at least one second clamp for clamping the upright display panel to the surrounding non-display area, wherein the second clamp is allowed in the The display panel is passively rotated or moved while rotating.
  • the second clamp is a trapezoidal or rectangular clamp for clamping on one side of the display panel.
  • the panel alignment method further includes the following steps:
  • the transport assembly is used to transport the upright display panel to a predetermined position before detecting the position of the display panel.
  • the panel alignment method further includes the following steps:
  • the second jig is used to clamp the first side and the second side of the display panel.
  • the panel alignment device and method of the present invention can utilize the clamp to accurately position the upright display panel to ensure positioning accuracy and reduce the formation of particles. Moreover, since the number of the fixtures of the panel alignment device is small, the maintenance of the equipment is facilitated.
  • the panel aligning device and the panel aligning method of the present invention can accurately position an upright display panel by using a jig, and even if the cutting precision of the display panel is not good, the panel aligning device can correspondingly adjust the position of the panel to ensure the display panel. Positioning accuracy. Furthermore, the fixture of the panel alignment device can be clamped to the surrounding non-display area of the display panel to ensure the quality of the panel. Moreover, since the number of the fixtures of the panel alignment device is small, the maintenance of the equipment is facilitated.
  • FIG. 1 is a schematic view of a first embodiment of a panel alignment device of the present invention
  • Figure 2 is a cross-sectional view of the display panel of the present invention.
  • Figure 3A is a front elevational view of the first embodiment of the first jig of the present invention.
  • Figure 3B is a right side view of the first embodiment of the first jig of the present invention.
  • Figure 4A is a front elevational view of a first embodiment of a second clamp of the present invention.
  • Figure 4B is a right side view of the first embodiment of the second jig of the present invention.
  • 5A to 5G are schematic views showing a first embodiment of the upright display panel of the present invention when performing alignment
  • 6A to 6G are schematic views showing a second embodiment of the vertical display panel of the present invention when it is aligned.
  • FIG. 1 is a schematic view of a first embodiment of a panel alignment device according to the present invention
  • FIG. 2 is a cross-sectional view of the display panel of the present invention.
  • the panel alignment device 100 of the present embodiment can be used to align the display panel 101 upright so that the display panel 101 is processed in an upright state.
  • the display panel 101 can be a liquid crystal display panel.
  • the display panel 101 includes two substrates 102, a liquid crystal layer 103, and two polarizers 104.
  • the material of the substrate 102 can be a glass substrate or can be A flexible plastic substrate, the substrate 102 can be, for example, a color filter (Color) Filter, CF) glass substrate and thin film transistor (TFT) The glass substrate of the matrix. It should be noted that in some embodiments, the color filter and the TFT matrix may also be disposed on the same substrate.
  • the liquid crystal layer 103 is formed between the substrates 102, and the polarizers 104 are respectively disposed outside the substrate 102. When the polarizer 104 is attached to the substrate 102, the two substrates 102 sealed with the liquid crystal layer 103 can be fixed in an upright state (upright panel) to allow the two polarizers 104 to be bonded to the outside of the substrate 102 at the same time.
  • the vertical display panel 101 needs to be aligned before the polarizer 104 is bonded to ensure that the polarizer 104 can be accurately Bonded to the substrate 102.
  • the panel alignment device 100 of the present embodiment may include a transport component 110 , a position detector 120 , a first clamp 130 , and two second clamps 140 .
  • the transport assembly 110 such as a roller or a robot arm, is used to transport the upright display panel 101 to a predetermined position.
  • the polarizer 104 is not yet attached to the display panel 101.
  • the transport assembly 110 can be a plurality of rollers disposed under the display panel 101 to transmit the display panel 101 to the preset position.
  • the position detector 120 of the embodiment is corresponding to the preset position, and is electrically connected to the first fixture 130 for detecting the position of the upright display panel 101 and outputting a positioning adjustment.
  • the signal is sent to the first jig 130.
  • the position detector 120 is an image sensing component, such as a charge coupler (Charge-coupled). Device, CCD) or complementary metal oxide semiconductor (complementary metal oxide) Semiconductor, CMOS), for capturing an image of an alignment mark (not shown) of the display panel 101.
  • the positioning detector 120 can calculate a positioning adjustment amount by using the image data of the alignment mark of the display panel 101, and output the positioning adjustment signal to the first fixture 130, so that the first fixture 130 can adjust the display according to the positioning adjustment amount.
  • the position of the panel 101 is corresponding to the preset position, and is electrically connected to the first fixture 130 for detecting the position of the upright display panel 101 and outputting a positioning adjustment.
  • the signal is sent to the first jig 130.
  • the first jig 130 and the second jig 140 of the present embodiment are used for clamping the non-display area 105 around the upright display panel 101 to perform positioning of the upright panel 101 to avoid the jig 130 ,
  • the 140 affects the active display area 106 of the display panel 101.
  • the surrounding non-display area 105 is formed around the active display area 106 of the display panel 101, and the surrounding non-display area 105 is, for example, a light-shielding area or a black matrix (black A matrix, BM) region is formed around the active display region 106 for avoiding ambient light leakage problems.
  • black A matrix, BM black matrix
  • FIG. 3A is a front view of a first embodiment of the first jig of the present invention
  • FIG. 3 B is a right side view of the first embodiment of the first jig of the present invention.
  • the first jig 130 of the embodiment is used for clamping the display panel 101 at a corner thereof, and rotating the display panel 101 according to the positioning adjustment signal transmitted by the positioning detector 120 to adjust the display panel 101. position.
  • the first jig 130 is, for example, an L-shaped jig, and includes a groove 131, a buffer layer 132, and a rotating shaft 133.
  • the opening width of the groove 131 of the first jig 130 is adjustable to correspondingly clamp the display panel 101 or release the clamping of the display panel 101.
  • the buffer layer 132 is formed on the inner side surface of the groove 131, and the buffer layer 132 is preferably made of a soft or elastic material, such as a plastic material, for preventing the first jig 130 from damaging the surface of the display panel 101 when clamped. .
  • the rotating shaft 133 is pivotally connected to a driving device (not shown). The first jig 130 is actively rotated about the rotating shaft 133 by driving of the driving device. Therefore, when the first jig 130 clamps the display panel 101, the first jig 130 can actively rotate the display panel 101 to adjust the position of the display panel 101.
  • FIG. 4A is a front view of a first embodiment of a second jig of the present invention
  • FIG. 4 B is a right side view of the first embodiment of the second jig of the present invention.
  • the two second clamps 140 of the embodiment can be respectively clamped on the first side and the second side of the display panel 101 to firmly fix the upright display panel 101 at a preset position, wherein the first side is preferably perpendicular to the first Two sides.
  • These second clamps 140 may be trapezoidal or rectangular clamps including a groove 141, a buffer layer 142, and a rotating shaft 143.
  • the opening width of the groove 141 of the second jig 140 is adjustable to correspondingly clamp the display panel 101 or release the clamping of the display panel 101.
  • the buffer layer 142 is formed on the inner side surface of the recess 141, and the buffer layer 142 is preferably made of a soft or elastic material, such as a plastic material, for preventing the second jig 140 from damaging the surface of the display panel 101 when clamped. .
  • the second jig 140 When the display panel 101 is rotated, the second jig 140 is allowed to be passively rotated about the rotation shaft 143, and therefore, when the position of the display panel 101 is adjusted and the second jig 140 clamps the display panel 101, the second jig 140 It can be passively rotated corresponding to the rotation of the display panel 101. Furthermore, according to the rotation of the display panel 101, the second jig 140 can also be moved laterally or vertically correspondingly to securely fix the upright display panel 101.
  • FIG. 5A to FIG. 5G are schematic diagrams of a first embodiment of the vertical display panel of the present invention when it is aligned.
  • the alignment method of the display panel 101 is performed, first, as shown in FIG. 5A, the upright display panel 101 is supplied onto the transporting assembly 110 (for example, a plurality of rollers). At this time, in the present embodiment, since the cutting precision of the panel is not good, the upright display panel 101 may have a problem that the panel is tilted, that is, a positioning error problem, and thus the alignment of the display panel 10 is required.
  • the second jig 140 is used to clamp the display panel 101 on its vertical first side. As shown in FIG.
  • the upright display panel 101 can be transported by the transport assembly 110 to a front position of the preset position, and the other second clamp 140 can be clamped to the horizontal second side of the display panel 101.
  • the upright display panel 101 can then be continuously transported by the transport assembly 110 and positioned by the second clamp 140 to a preset position.
  • the first jig 130 is used to clamp the display panel 101 at its end corners.
  • the position detector 120 is used to detect the position of the upright display panel 101, calculate a positioning adjustment amount, and output the positioning adjustment signal to the first fixture 130.
  • the display panel 101 is rotated by the first jig 130 to adjust the position of the display panel 101.
  • the two second jigs 140 clamped on the first side and the second side of the display panel 101 can be passively rotated or moved, and thus, when the display panel 101 is rotated by the first jig 130, the display panel 101 can be The second clamp 140 is firmly clamped to ensure the stability of the positioning.
  • the panel alignment device 100 and the panel alignment method of the present embodiment can accurately position the upright display panel 101. Even if the cutting precision of the display panel 101 is not good, the panel alignment device 100 can correspondingly adjust the display panel 101.
  • the rotation angle, the horizontal position, or the vertical position greatly improves the positioning accuracy of the display panel 101.
  • the jigs 130, 140 are sandwiched around the non-display area 105 of the display panel 101, the jigs 130, 140 can be prevented from affecting the active display area 106 of the display panel 101 to ensure the quality of the display panel 101.
  • the number of the first jig 130 and the second 140 of the panel alignment device 100 is small, and the maintenance of the device is facilitated.
  • FIG. 6A to FIG. 6G are schematic diagrams showing a second embodiment of the vertical display panel of the present invention when it is aligned.
  • the panel alignment device of the second embodiment may include a transport assembly 210, a position detector 220, a first clamp 230, and two second clamps 240.
  • the first jig 230 and the second jig 240 may be trapezoidal or rectangular jigs, wherein the first jig 230 may actively rotate the display panel 101, and the second jig 240 may be passively rotated corresponding to the rotation of the display panel 101.
  • the panel alignment device 200 is used to perform the alignment of the display panel 101, first, as shown in FIG.
  • the upright display panel 101 is supplied onto the transport assembly 210.
  • the second jig 240 is used to clamp the first side of the display panel 101.
  • the upright display panel 101 can then be transported by the transport assembly 210 to a front position of the preset position and clamped to the horizontal second side of the display panel 101 by another second clamp 240.
  • the upright display panel 101 can then be continuously transported by the transport assembly 210 and positioned by the second clamp 240 to a preset position.
  • the first jig 230 is then used to be clamped on the horizontal second side of the display panel 101 and close to the end corner of the display panel 101.
  • the position detector 220 is used to detect the position of the upright display panel 101, and a positioning adjustment amount can be calculated, and the positioning adjustment signal is output to the first fixture 230.
  • the display panel 101 is rotated by the first jig 230 to adjust the position of the display panel 101.
  • the two second jigs 240 clamped on the first side and the second side of the display panel 101 can be passively rotated or moved. Therefore, when the display panel 101 is rotated by the first jig 230, the display panel 201 can be The second clamp 240 is firmly clamped to ensure the stability of the positioning.
  • the panel alignment device and the panel alignment method of the present invention can accurately position an upright display panel by using a clamp. Even if the cutting precision of the display panel is not good, the panel alignment device can adjust the position of the panel correspondingly. To ensure the positioning accuracy of the display panel. Furthermore, the fixture of the panel alignment device can be clamped to the surrounding non-display area of the display panel to ensure the quality of the panel. Moreover, since the number of the fixtures of the panel alignment device is small, the maintenance of the equipment is facilitated.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
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Description

面板对位装置及面板对位方法 技术领域
本发明涉及一种面板对位装置及面板对位方法，特别是涉及一种用于对位直立面板的面板对位装置及方法。
 背景技术
液晶显示器(Liquid Crystal Display，LCD)已被广泛应用于各种电子产品中，液晶显示器大部分为背光型液晶显示器，其是由液晶显示面板及背光模块(backlight module)所组成。
液晶显示面板是由两片透明基板以及被封于基板之间的液晶所构成。在液晶显示面板的组装制程中，面板可能需在直立状态下进行处理，例如，当贴合偏光片于面板的透明基板上时，可使面板呈直立状态，以同时贴合二偏光片于面板的相对两侧。
一般，当面板在直立状态下进行处理时，面板可被多个滚轮或吸盘来固定及定位。然而，当面板是固定于多个滚轮上时，需具有较高的面板的切割精度及滚轮的品质，若面板的切割精度或滚轮的质量不佳，则直立的面板容易具有定位误差问题。且面板与夹持滚轮之间摩擦力较大，而容易产生坏点于面板上。当面板是被吸盘所固定时，吸盘需具有非常高的平整度，且面板与夹持吸盘之间摩擦力亦较大，而容易损坏吸盘，并容易产生微粒于面板上。
故，有必要提供一种面板对位装置及面板对位方法，以解决现有技术所存在的问题
 技术问题
本发明提供一种面板对位装置及面板对位方法，以解决直立面板的对位问题。
 技术解决方案
本发明的主要目的在于提供一种面板对位装置，用于对位一直立的显示面板，其中所述显示面板具有一周围非显示区域，所述面板对位装置包括：
定位侦测器，用于侦测所述直立的显示面板的位置，并计算一定位调整量；以及
第一夹具，用于夹持所述直立的显示面板于所述周围非显示区域，并依据所述定位侦测器所计算的所述定位调整量来转动所述显示面板，以调整显示面板的位置。
本发明的另一目的在于提供一种面板对位方法，用于对位一直立的显示面板，其中所述方法包括如下步骤：
利用定位侦测器来侦测所述直立的显示面板的位置，并计算一定位调整量；以及
利用第一夹具来夹持所述直立的显示面板于所述周围非显示区域，并依据所述定位侦测器所计算的所述定位调整量来转动所述显示面板，以调整显示面板的位置。
在本发明的一实施例中，面板对位装置还包括输送组件，用于传输所述直立的显示面板至一预设位置。
在本发明的一实施例中，所述定位侦测器为影像感测组件，用于撷取所述显示面板的对位标记的影像，并通过所述对位标记的影像数据来计算所述定位调整量。
在本发明的一实施例中，所述周围非显示区域为遮光区域。
在本发明的一实施例中，所述第一夹具为L形夹具，用于夹持于所述显示面板的一端角处。
在本发明的一实施例中，所述第一夹具为梯形或矩形夹具，用于夹持于所述显示面板的一侧上。
在本发明的一实施例中，所述第一夹具包括凹槽及缓冲层，所述缓冲层形成于所述凹槽的内侧表面。
在本发明的一实施例中，面板对位装置还包括至少一第二夹具，用于夹持所述直立的显示面板于所述周围非显示区域，其中所述第二夹具是允许在所述显示面板转动时被动地转动或移动。
在本发明的一实施例中，所述第二夹具为梯形或矩形夹具，用于夹持于所述显示面板的一侧上。
在本发明的一实施例中，面板对位方法还包括如下步骤：
在侦测所述显示面板的位置之前，利用输送组件来传输所述直立的显示面板至一预设位置。
在本发明的一实施例中，面板对位方法还包括如下步骤：
在利用该第一夹具来夹持所述显示面板之前，利用第二夹具来夹持于所述显示面板的第一侧及第二侧。
相较于现有的直立式面板对位设备所具有的问题，本发明的面板对位装置及方法可利用夹具来准确地定位直立的显示面板，以确保定位精度，并可减少微粒的形成。且由于面板对位装置的夹具的数量少，因而方便进行设备的维护。
 有益效果
本发明的面板对位装置及面板对位方法可利用夹具来准确地定位直立的显示面板，即使显示面板的切割精度不佳，面板对位装置仍可对应地调整面板的位置，以确保显示面板的定位精度。再者，面板对位装置的夹具可夹持于显示面板的周围非显示区域，以确保面板的质量。且由于面板对位装置的夹具的数量少，因而方便进行设备的维护。
附图说明
图1为本发明面板对位装置的第一实施例的示意图；
图2为本发明显示面板的剖面图；
图3A为本发明第一夹具的第一实施例的正视图；
图3 B为本发明第一夹具的第一实施例的右视图；
图4A为本发明第二夹具的第一实施例的正视图；
图4 B为本发明第二夹具的第一实施例的右视图；
图5A至图5G为本发明直立显示面板在进行对位时的第一实施例的示意图；以及
图6A至图6G为本发明直立显示面板在进行对位时的第二实施例的示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
在图中，结构相似的单元是以相同标号表示。
请参照图1及图2，图1为本发明面板对位装置的第一实施例的示意图，图2为本发明显示面板的剖面图。本实施例的面板对位装置100可用于对位一直立的显示面板101，使得此显示面板101在直立状态下被进行处理。例如，在本实施例中，此显示面板101可为液晶显示面板，此时，显示面板101包括二个基板102、液晶层103及二个偏光片104，基板102的材料可为玻璃基板或可挠性塑料基板，基板102可例如为具有彩色滤光片(Color Filter，CF)的玻璃基板以及具有薄膜晶体管(Thin Film Transistor，TFT) 矩阵的玻璃基板。值得注意的是，在一些实施例中，彩色滤光片和TFT矩阵亦可配置在同一基板上。液晶层103是形成于基板102之间，偏光片104分别设置于基板102的外侧。当贴合偏光片104于基板102上，密封有液晶层103的二个基板102可被固定成一直立状态(直立面板)，以允许同时贴合二个偏光片104于基板102的外侧。由于偏光片104与液晶层103中的液晶分子之间有着严格的方向对应关系，因此，在贴合偏光片104之前，直立的显示面板101需先进行对位，以确保偏光片104可准确地贴合于基板102上。
如图1所示，本实施例的面板对位装置100可包括输送组件110、定位侦测器120、第一夹具130及两个第二夹具140。输送组件110例如滚轮或机械手臂，用于传输直立的显示面板101至一预设位置，此时，偏光片104是尚未贴合于显示面板101上。在本实施例中，输送组件110可为多个滚轮，其设置于显示面板101的下方，以传输显示面板101至此预设位置。
如图1所示，本实施例的定位侦测器120是对应于此预设位置，并电性连接于第一夹具130，用于侦测直立的显示面板101的位置，并输出一定位调整信号至第一夹具130。在本实施例中，定位侦测器120为影像感测组件，例如电荷耦合器(Charge-coupled Device，CCD)或互补金属氧化物半导体(complementary metal oxide semiconductor，CMOS)，用于撷取显示面板101的对位标记(未显示)的影像。定位侦测器120可通过显示面板101的对位标记的影像数据来计算一定位调整量，并输出此定位调整信号至第一夹具130，使得第一夹具130可依据此定位调整量来调整显示面板101的位置。
如图1所示，本实施例的第一夹具130及第二夹具140是用于夹持直立的显示面板101于其周围非显示区域105，而进行直立面板101的定位，以避免夹具130、140影响显示面板101的主动显示区域106。此周围非显示区域105是形成于显示面板101的主动显示区域106的周围，周围非显示区域105例如为遮光区域或黑色矩阵(black matrix，BM)区域，其形成于主动显示区域106的周围，用于避免周围漏光问题。
请参照图1、图3A及图3B，图3A为本发明第一夹具的第一实施例的正视图，图3 B为本发明第一夹具的第一实施例的右视图。本实施例的第一夹具130是用于夹持显示面板101于其端角(corner)处，并依据定位侦测器120所传送的定位调整信号来转动显示面板101，以调整显示面板101的位置。在本实施例中，第一夹具130例如为L形夹具，其包括凹槽131、缓冲层132及转动轴133。第一夹具130的凹槽131的开口宽度为可调整，以对应夹住显示面板101或解除对显示面板101的夹持。缓冲层132形成于凹槽131的内侧表面，且缓冲层132优选是由软性或弹性材料所制成，例如塑料材料，用于避免第一夹具130在夹紧时伤害到显示面板101的表面。转动轴133是枢接于一驱动装置(未显示)，通过驱动装置的驱动，第一夹具130是以转动轴133为中心来主动地转动。因此，当第一夹具130夹住显示面板101时，第一夹具130可主动地转动显示面板101，以调整显示面板101的位置。
请参照图1、图4A及图4B，图4A为本发明第二夹具的第一实施例的正视图，图4 B为本发明第二夹具的第一实施例的右视图。本实施例的二个第二夹具140可分别夹持于显示面板101的第一侧和第二侧，以稳固地固定直立的显示面板101于预设位置，其中第一侧优选是垂直于第二侧。这些第二夹具140可为梯形或矩形夹具，其包括凹槽141、缓冲层142及转动轴143。第二夹具140的凹槽141的开口宽度为可调整，以对应夹住显示面板101或解除对显示面板101的夹持。缓冲层142形成于凹槽141的内侧表面，且缓冲层142优选是由软性或弹性材料所制成，例如塑料材料，用于避免第二夹具140在夹紧时伤害到显示面板101的表面。在显示面板101转动时，第二夹具140是被允许以转动轴143为中心来被动地转动，因此，当调整显示面板101的位置且第二夹具140夹住显示面板101时，第二夹具140可对应于显示面板101的转动来被动地转动。再者，依据显示面板101的转动，第二夹具140亦可对应地横向或垂直移动，以稳固地固定直立的显示面板101。
请参照图5A至图5G，其为本发明直立显示面板在进行对位时的第一实施例的示意图。当进行显示面板101的对位方法时，首先，如图5A所示，直立的显示面板101是被提供至输送组件110(例如多个滚轮)上。此时，在本实施例中，由于面板的切割精度不佳，直立的显示面板101可能具有面板歪倾的问题，亦即定位误差问题，因而需进行显示面板10的对位。如图5B所示，接着，利用第二夹具140来夹持显示面板101于其垂直第一侧上。如图5C所示，接着，直立的显示面板101可被输送组件110搬送至预设位置的一前方位置，且另一第二夹具140可夹持于显示面板101的水平第二侧上。如图5D所示，接着，直立的显示面板101可被输送组件110来持续搬送，并被第二夹具140来定位至预设位置。如图5E所示，接着，利用第一夹具130来夹持显示面板101于其端角处。如图5F所示，接着，利用定位侦测器120来侦测直立的显示面板101的位置，并计算一定位调整量，并输出此定位调整信号至第一夹具130。如图5G所示，接着，依据此定位调整量，利用第一夹具130来来转动显示面板101，以调整显示面板101的位置。此时，夹持于显示面板101的第一侧与第二侧的两个第二夹具140可被动地转动或移动，因此，当显示面板101被第一夹具130转动时，显示面板101可被第二夹具140来稳固地夹持，以确保定位的稳定性。
因此，本实施例的面板对位装置100及面板对位方法可准确地定位直立的显示面板101，即使显示面板101的切割精度不佳，面板对位装置100仍可对应地调整显示面板101的旋转角度、水平位置或垂直位置，因而大幅地改善显示面板101的定位精度。再者，由于夹具130、140是夹持于显示面板101的周围非显示区域105，因而可避免夹具130、140影响显示面板101的主动显示区域106，以确保显示面板101的质量。且面板对位装置100的第一夹具130、第二140的数量少，而方便进行设备的维护。
请参照图6A至图6G，其为本发明直立显示面板在进行对位时的第二实施例的示意图。第二实施例的面板对位装置可包括输送组件210、定位侦测器220、第一夹具230及二个第二夹具240。第一夹具230及第二夹具240可为梯形或矩形夹具，其中，第一夹具230可主动地转动显示面板101，而第二夹具240可对应于显示面板101的转动来被动地转动。当利用面板对位装置200来进行显示面板101的对位时，首先，如图6A所示，直立的显示面板101是被提供至输送组件210上。如图6B所示，接着，利用第二夹具240来夹持于显示面板101的第一侧上。如图6C所示，接着，直立的显示面板101可被输送组件210来搬送至预设位置的一前方位置，且利用另一第二夹具240来夹持于显示面板101的水平第二侧上。如图6D所示，接着，直立的显示面板101可被输送组件210来持续搬送，并被第二夹具240来定位至预设位置。如图6E所示，接着，利用第一夹具230来夹持于显示面板101的水平第二侧上，且靠近于显示面板101的端角处。如图6F所示，接着，利用定位侦测器220来侦测直立的显示面板101的位置，并可计算一定位调整量，并输出此定位调整信号至第一夹具230。如图6G所示，接着，依据此定位调整量，利用第一夹具230来转动显示面板101，以调整显示面板101的位置。此时，夹持于显示面板101的第一侧与第二侧的二个第二夹具240可被动地转动或移动，因此，当显示面板101被第一夹具230转动时，显示面板201可被第二夹具240来稳固地夹持，以确保定位的稳定性。
由上述可知，本发明的面板对位装置及面板对位方法可利用夹具来准确地定位直立的显示面板，即使显示面板的切割精度不佳，面板对位装置仍可对应地调整面板的位置，以确保显示面板的定位精度。再者，面板对位装置的夹具可夹持于显示面板的周围非显示区域，以确保面板的质量。且由于面板对位装置的夹具的数量少，因而方便进行设备的维护。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
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Claims (14)

  1. 一种面板对位装置，用于对位一直立的显示面板，其中所述显示面板具有一周围非显示区域，所述面板对位装置包括：
    影像感测组件，用于撷取所述显示面板的对位标记的影像，并通过所述对位标记的影像数据来计算一定位调整量；
    第一夹具，用于夹持所述直立的显示面板于所述周围非显示区域，并依据所述定位侦测器所计算的所述定位调整量来转动所述显示面板，以调整显示面板的位置；以及
    至少一第二夹具，用于夹持所述直立的显示面板于所述周围非显示区域，其中所述第二夹具是允许在所述显示面板转动时被动地转动或移动。
  2. 一种面板对位装置，用于对位一直立的显示面板，其中所述显示面板具有一周围非显示区域，所述面板对位装置包括：
    定位侦测器，用于侦测所述直立的显示面板的位置，并计算一定位调整量；以及
    第一夹具，用于夹持所述直立的显示面板于所述周围非显示区域，并依据所述定位侦测器所计算的所述定位调整量来转动所述显示面板，以调整显示面板的位置。
  3. 根据权利要求2所述的面板对位装置，还包括输送组件，用于传输所述直立的显示面板至一预设位置。
  4. 根据权利要求2所述的面板对位装置，其中所述定位侦测器为影像感测组件，用于撷取所述显示面板的对位标记的影像，并通过所述对位标记的影像数据来计算所述定位调整量。
  5. 根据权利要求2所述的面板对位装置，其中所述周围非显示区域为遮光区域。
  6. 根据权利要求2所述的面板对位装置，其中所述第一夹具为L形夹具，用于夹持于所述显示面板的一端角处。
  7. 根据权利要求2所述的面板对位装置，其中所述第一夹具为梯形或矩形夹具，用于夹持于所述显示面板的一侧上。
  8. 根据权利要求2所述的面板对位装置，其中所述第一夹具包括凹槽及缓冲层，所述缓冲层形成于所述凹槽的内侧表面。
  9. 根据权利要求2所述的面板对位装置，还包括至少一第二夹具，用于夹持所述直立的显示面板于所述周围非显示区域，其中所述第二夹具是允许在所述显示面板转动时被动地转动或移动。
  10. 根据权利要求9所述的面板对位装置，其中所述第二夹具为梯形或矩形夹具，用于夹持于所述显示面板的一侧上。
  11. 一种面板对位方法，用于对位一直立的显示面板，其中所述方法包括如下步骤：
    利用定位侦测器来侦测所述直立的显示面板的位置，并计算一定位调整量；以及
    利用第一夹具来夹持所述直立的显示面板于所述周围非显示区域，并依据所述定位侦测器所计算的所述定位调整量来转动所述显示面板，以调整显示面板的位置。
  12. 根据权利要求11所述的面板对位方法，还包括如下步骤：
    在侦测所述显示面板的位置之前，利用输送组件来传输所述直立的显示面板至一预设位置。
  13. 根据权利要求11所述的面板对位方法，还包括如下步骤：
    在利用该第一夹具来夹持所述显示面板之前，利用第二夹具来夹持于所述显示面板的第一侧及第二侧。
  14. 根据权利要求13所述的面板对位方法，其中所述第二夹具是允许在所述显示面板转动时被动地转动或移动。
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US8901525B2 (en) 2014-12-02

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