WO2011158902A1 - 点灯検査装置 - Google Patents
点灯検査装置 Download PDFInfo
- Publication number
- WO2011158902A1 WO2011158902A1 PCT/JP2011/063801 JP2011063801W WO2011158902A1 WO 2011158902 A1 WO2011158902 A1 WO 2011158902A1 JP 2011063801 W JP2011063801 W JP 2011063801W WO 2011158902 A1 WO2011158902 A1 WO 2011158902A1
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- lighting
- jig
- inspection
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- lighting jig
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Definitions
- the present invention relates to a lighting inspection apparatus.
- the present invention relates to an apparatus for inspecting lighting of a liquid crystal panel.
- a liquid crystal panel which is a component of a liquid crystal display device (LCD), has a structure in which a pair of glass substrates are opposed to each other with a predetermined gap secured.
- the liquid crystal panel is a component that does not emit light, and is used in combination with a backlight device as an external light source.
- the liquid crystal panel has a liquid crystal layer between a pair of glass substrates, and has a configuration in which switching elements and pixel electrodes are provided on opposite surfaces of both glass substrates.
- a pair of polarizing plates is attached to the outer surface side of both glass substrates.
- the backlight device When displaying an image on the liquid crystal display device, the backlight device is turned on, and the voltage is applied to each switching element to control the alignment of the liquid crystal, that is, the optical characteristics. Then, when the light emitted from the backlight device passes through the liquid crystal layer, the polarization state changes according to the alignment state, and thereby a predetermined image is displayed on the liquid crystal panel.
- a predetermined switching element or pixel electrode is defective, a foreign substance is mixed in the liquid crystal layer, or a foreign substance is placed between the polarizing plate and the glass substrate. May cause problems such as intrusion. Due to these problems, there is a risk that defects such as a black spot defect in which a predetermined pixel always blocks light will occur in the liquid crystal panel. Therefore, a lighting inspection apparatus is used for the purpose of detecting these defects in the manufacturing process (for example, Patent Documents 1 and 2).
- a lighting inspection apparatus 1000 shown in FIG. 1 includes an inspection unit 101 that inspects a liquid crystal panel (not shown), and a delivery unit 102 that delivers the liquid crystal panel to the inspection unit 101.
- the inspection unit 101 and the delivery unit 102 are provided in the housing 105.
- a probe unit 103 is disposed in the inspection unit 101. The probe of the probe unit 103 is brought into contact with the electrode of the liquid crystal panel and gives an electric signal, and thereby the liquid crystal panel is turned on for inspection.
- the delivery unit 102 is provided with a liquid crystal panel transport device 104.
- the liquid crystal panel moving on the production line is introduced into the inspection unit 101 by the transport device 104 of the delivery unit 102, and after the inspection, the transport device 104 removes the outside of the lighting inspection device 1000. Returned to On the other hand, there is also a lighting inspection device that arranges a lighting inspection device on a liquid crystal panel production line and inspects a liquid crystal panel moving on the production line. This inventor examined operation
- the liquid crystal panel 110 moves on the production line 125 by the roller conveyor 120 (arrow 150) and reaches the lighting inspection device 2000.
- the liquid crystal panel 110 is set on an inspection stage 130 including a plurality of electrode terminals 131, and a lighting inspection of the liquid crystal panel 110 is performed.
- the inspection stage 130 can be modified so that the lighting inspection of the liquid crystal panels 110 of different sizes can be supported.
- the stage upper unit 132 provided with the upper electrode terminal 131 can be moved in the vertical direction 155 with respect to the stage support unit 135, thereby corresponding to the desired panel size of the inspection stage 130. Can be deformed.
- the liquid crystal panel 110 that has been inspected by the lighting inspection device 2000 moves to the downstream side of the production line 125 (arrow 151).
- FIG. 3A shows a configuration of a lighting inspection apparatus 2000 including an inspection stage 130 that can be deformed according to the panel size.
- the lighting jig 133 for inputting a drive signal to the liquid crystal panel 110 is replaced according to the panel model.
- the stage upper unit 132 and the lighting jig 133 interfere with each other.
- a sensor 160 is attached on the lower side to monitor whether or not the lighting jig 133 exists.
- how the lighting jig 133 is divided is determined for each panel model, and therefore it is not uniquely determined where the sensor 160 should be attached. Many. Further, if the lighting jig 133 is made as a single unit without being divided, the sensor 160 can always detect the presence of the lighting jig 133. However, when the lighting jig 133 is manufactured as a single body, there is a disadvantage that the lighting jig 133 becomes heavy, and the processing accuracy also decreases. Therefore, when the inspection stage 130 is deformed due to such drawbacks, it is necessary to carefully remove the lighting jig 133 even if the interlock mechanism by the sensor 160 is present. Is one of the burdens.
- the present invention has been made in view of such a point, and a main object thereof is to provide a lighting inspection apparatus that can easily perform a deformation operation of an inspection stage in a lighting inspection.
- a lighting inspection apparatus is a lighting inspection apparatus that inspects lighting of a display panel, and an inspection stage on which the display panel is set, and a plurality of lighting jigs that are in contact with the display panel set on the inspection stage
- the inspection stage includes a support unit and an upper unit connected to the support unit, and the upper unit is connected to the support unit to be movable so as to change the size of the inspection stage.
- An upper lighting jig and a lower lighting jig are provided as the plurality of lighting jigs on the inner wall of the support unit below the upper unit.
- a plate serving as a bridge to the lower lighting jig is attached.
- the lighting inspection device includes a sensor that detects at least one of the upper lighting jig and the lower lighting jig, the display panel is a liquid crystal panel, and the liquid crystal panel is It is carried by the transfer line and set on the inspection stage.
- the plate is fixed to a part of the upper lighting jig, and a part of the lower lighting jig is pressed by the plate.
- the upper lighting jig and the lower lighting jig are attached to the inner wall of the column unit.
- a plate serving as a bridge to the lower lighting jig is attached to the upper lighting jig. Therefore, since the plate is attached, the lower lighting jig cannot be removed unless the upper lighting jig is removed. Therefore, interference with the upper unit due to forgetting to remove the upper lighting jig can be avoided. As a result, it is possible to easily execute the deformation work of the inspection stage in the lighting inspection.
- FIG. (A) is a perspective view which shows the structure of the lighting test
- FIG. (B) is a perspective view which shows a mode that the stage upper unit and lighting jig
- FIG. (B) is a perspective view which shows typically the structure of the lighting test
- disassembled the connection of an upper side lighting jig and a lower side lighting jig. 2 is a cross-sectional view schematically showing a configuration of a liquid crystal panel 10.
- FIG. 1 It is a figure for demonstrating operation
- FIG. 4 schematically shows a configuration of a lighting inspection apparatus 100 that inspects lighting of the display panel.
- the lighting inspection apparatus 100 includes an inspection stage 30 on which a display panel (not shown) is set, and a plurality of lighting jigs 33 that are in contact with the display panel set on the inspection stage 30.
- the inspection stage 30 of the present embodiment includes a support unit 35 and an upper unit 32 connected to the support unit 35.
- the column unit 35 of the illustrated example extends in the vertical direction 90, and the upper unit 32 extends from the column unit 35 in the vertical direction (that is, in the horizontal direction). Also, below the upper unit 32, a lower unit 34 extending in the vertical direction (horizontal direction) from the support unit 35 is provided.
- the upper unit 32 is connected to the column unit 35 so as to be movable so as to change the size of the inspection stage 30. Specifically, the upper unit 32 can move along the vertical direction 55 according to the size of a display panel (for example, a liquid crystal panel) to be inspected. That is, by moving the upper unit 32, the size of the inspection stage 30 can be changed according to the size of the display panel.
- a display panel for example, a liquid crystal panel
- the lighting jig 33 is provided on the inner wall 35a of the column unit 35.
- the upper lighting jig 33a and the lower lighting jig 33b are arranged in a region below the upper unit 32 in the inner wall 35a of the column unit 35.
- the inner wall 35 a of the column unit 35 is a surface facing the display panel set on the inspection stage 30.
- the upper lighting jig 33a and the lower lighting jig 33b arranged on the inner wall 35a of the column unit 35 are members that are brought into contact with the electrode terminals of the display panel.
- the upper lighting jig 33a is provided with a plate 40 that serves as a bridge to the lower lighting jig 33b.
- FIG. 5 is an exploded perspective view of the connection of the upper lighting jig 33a and the lower lighting jig 33b.
- the plate 40 is fixed to a part of the upper lighting jig 33 a and a part of the lower lighting jig 33 b is pressed by the plate 40.
- the lower lighting jig 33b cannot be removed unless the upper lighting jig 33a is removed.
- a sensor 60 for detecting the lower lighting jig 33b is provided in the lighting inspection apparatus 100, and the presence of the upper lighting jig 33a is confirmed by detecting the presence of the lower lighting jig 33b by the sensor 60. be able to. Specifically, since the lower lighting jig 33b cannot be removed unless the upper lighting jig 33a is removed, if the sensor 60 confirms that the lower lighting jig 33b does not exist, Thereby, it can be confirmed that the upper lighting jig 33a does not exist.
- a transmissive photosensor can be used as the sensor 60.
- the upper lighting jig 33a and the upper unit 32 do not interfere with each other.
- the size of the stage 30 can be changed.
- the deformation work of the inspection stage 30 in the lighting inspection can be easily performed. That is, even when the lighting jig 33 is divided into two as shown in FIG. 4, the possibility of removing only the lower lighting jig 33b and forgetting to remove the upper lighting jig 33a is eliminated. Can do. Therefore, interference with the upper unit 32 due to forgetting to remove the upper lighting jig 33a can be avoided.
- the plate 40 of the present embodiment is made of metal (for example, iron, aluminum, etc.), but if it can hold down the lower lighting jig 33b, it is made of a material other than metal (such as resin). It doesn't matter. Further, since the plate 40 holds the lower lighting jig 33b so that the lower lighting jig 33b is not removed before removing the upper lighting jig 33a, the lower lighting jig 33b is pressed by the plate 40. There is no need to hold down strongly. Specifically, the lower lighting jig 33b may be pressed to such an extent that the lower lighting jig 33b is not removed before the upper lighting jig 33a is removed.
- the lower lighting jig 33b and the plate 40 are in contact with each other. There may be no need.
- the upper lighting jig 33a includes a fixing portion 38a fixed to the support unit 35 and a contact portion 37a extending from the fixing portion 38a.
- the lower lighting jig 33b includes a fixed portion 38b fixed to the column unit 35 and a contact portion 37b extending from the fixed portion 38b.
- the contact portions 37a and 37b have probe portions connected to electrode terminals of a display panel (for example, a liquid crystal panel).
- the plate 40 is fixed to the inner surface side (display panel side) region of the fixing portion 38a of the upper lighting jig 33a, and the inner surface side (display panel side) of the fixing portion 38b of the lower lighting jig 33b. It extends to the area.
- the upper lighting jig 33a side of the plate 40 is fixed, but the lower lighting jig 33b side of the plate 40 is not fixed. Therefore, as shown in FIG. 5, the plate 40 and the lower lighting jig 33b can be separated.
- FIG. 6 shows the display panel 10 to be inspected for lighting by the lighting inspection apparatus 100 of the present embodiment.
- the display panel 10 shown in FIG. 6 is a liquid crystal panel.
- the liquid crystal panel 10 generally has a rectangular shape as a whole, and is composed of a pair of translucent substrates (glass substrates) 11 and 12. Both the substrates 11 and 12 are arranged to face each other, and a liquid crystal layer 14 is provided between them.
- the liquid crystal layer 14 is made of a liquid crystal material whose optical characteristics change with application of an electric field between the substrates 11 and 12.
- a sealing agent 15 is provided on the outer edge portions of the substrates 11 and 12 to seal the liquid crystal layer 14.
- polarizing plates 17 and 18 are attached to the outer surfaces of both the substrates 11 and 12, respectively.
- the front side is the color filter substrate (CF substrate) 11, while the back side is the array substrate 12.
- the liquid crystal panel 10 shown in FIG. 6 has electrode terminals (not shown), and the electrode terminals (probes) of the lighting inspection apparatus 100 are brought into contact with the electrode terminals for inspection.
- the size of the liquid crystal panel 10 is, for example, 20 inches to 60 inches, but is not limited to these sizes.
- the display panel 10 inspected by the lighting inspection apparatus 100 of the present embodiment is not limited to a liquid crystal panel, and may be another display panel such as a plasma display panel (PDP) or an organic EL panel.
- PDP plasma display panel
- organic EL panel organic EL panel
- FIG. 7 is a diagram showing a state where the display panel 10 is inspected for lighting by the lighting inspection apparatus 100 of the present embodiment.
- the display panel (liquid crystal panel) 10 moves along a production line (conveyance line) 25 by a conveyor (for example, a roller conveyor) 20 (arrow 50) and reaches the lighting inspection apparatus 100.
- a conveyor for example, a roller conveyor
- FIG. 7 it is preferable to provide the support part (not shown) which supports the display panel 10 in the manufacturing line 25.
- the display panel 10 is set on the inspection stage 30 including a plurality of electrode terminals (probe units) 31 and a plurality of lighting jigs 33 (33a, 33b). Then, the lighting inspection of the liquid crystal panel 10 is performed in a state where the electrode terminal 31 and the lighting jig 33 are in contact with the electrode terminal (not shown) of the display panel.
- FIG. 8 is a cross-sectional view showing a state when the display panel 10 is introduced into the lighting inspection apparatus 100.
- the display panel 10 and the lighting inspection device 100 are shown from the upstream side to the downstream side of the production line 25.
- the lighting jig 33 (33a, 33b) is shown, the support unit 35 is not shown.
- the upper unit 32 is lowered in the downward direction 57 and set on the inspection stage 30 of the lighting inspection device 100. To do.
- the electrode terminal 31 and the lighting jig 33 (33a, 33b) are brought into contact with electrode terminals (not shown) of the display panel 10, and a lighting inspection of the display panel 10 is executed in this state.
- the upper unit 32 includes a movable portion 32a and a fixed portion 32b, and a groove portion 32c is provided between the movable portion 32a and the fixed portion 32b.
- the lower unit 34 includes a movable portion 34a and a fixed portion 34b, and a groove portion 34c is provided between the movable portion 34a and the fixed portion 34b.
- the display panel 10 that has flowed through the production line 25 is inserted into the groove 34c, and then the movable part 34a is moved toward the fixed part 34b, thereby sandwiching the display panel 10 between the movable part 34a and the fixed part 34b.
- the electrode terminal 31 of the movable portion 34a is brought into contact with the electrode terminal (not shown) of the display panel 10.
- the lighting jig 33 (33a, 33b) is brought into contact with the electrode terminals of the display panel 10.
- the contact portion 37 (probe portion) of the lighting jig 33 is brought into contact with the electrode terminal of the display panel 10.
- the lighting inspection of the display panel 10 can be executed in a state where the electrode terminals 31 of the lighting inspection device 100 and the lighting jig 33 are in contact with the electrode terminals of the display panel 10.
- the inspected display panel 10 moves downstream of the production line 25 as shown in FIG. 7 (arrow 51).
- the lighting inspection device 100 includes a backlight unit (not shown) for lighting the display panel 10. Is provided.
- the display panel 10 is a PDP or an organic EL panel
- the lighting inspection of the display panel 10 can be executed without providing the backlight unit in the lighting inspection device 100.
- the electrode terminal 31 can be provided in the fixed part (32b, 34b), or the electrode terminal 31 can be provided in both the movable part (32a, 34a) and the fixed part (32b, 34b). .
- the lighting inspection apparatus 100 including the two lighting jigs 33a and 33b (that is, the upper lighting jig 33a and the lower lighting jig 33b) is illustrated. It is not limited to it.
- the number of lighting jigs 33 can be three or more.
- the configuration example shown in FIG. 9 shows a lighting inspection apparatus 100 having three lighting jigs 33, that is, an upper lighting jig 33a, a central lighting jig 33c, and a lower lighting jig 33b.
- the plate 40 is fixed to the upper lighting jig 33a, and the plate 40 extends so as to press the center lighting jig 33c and the lower lighting jig 33b.
- the plate 40 is fixed to the upper lighting jig 33a, but is not fixed to the central lighting jig 33c and the lower lighting jig 33b.
- the center lighting jig 33c and the lower lighting jig 33b cannot be removed unless the upper lighting jig 33a is removed due to the presence of the plate 40. Therefore, if the lower lighting jig 33b is monitored by the sensor 60, it can be determined whether or not the upper unit 32 can be moved.
- the support unit 35 is configured to extend in the vertical direction 90, but is not limited thereto.
- the inspection stage 30 may be inclined from the vertical direction 90 so that the column unit 35 extends obliquely with respect to the vertical direction 90.
- the column unit 35 is The inspection stage 30 may be configured in the horizontal direction so as to extend in the horizontal direction.
- the upper lighting jig 33a may be expressed as the first lighting jig 33a with the upper unit 32 as a reference.
- the present invention it is possible to provide a lighting inspection apparatus that can easily perform the deformation work of the inspection stage in the lighting inspection.
Abstract
Description
なお、本出願は2010年6月17日に出願された日本国特許出願2010-138593号に基づく優先権を主張しており、その出願の全内容は本明細書中に参照として組み入れられている。
ある好適な実施形態において、前記点灯検査装置は、前記上側点灯治具および前記下側点灯治具の少なくとも一方を検知するセンサーを備え、前記表示パネルは、液晶パネルであり、前記液晶パネルは、搬送ラインによって運ばれて前記検査ステージにセットされる。
ある好適な実施形態において、前記プレートは、前記上側点灯治具の一部に固定されており、前記下側点灯治具の一部は、前記プレートによって押さえられている。
11 CF基板
12 アレイ基板
14 液晶層
15 シール剤
17、18 偏光板
25 製造ライン(搬送ライン)
30 検査ステージ
31 電極端子
32 上部ユニット
32a 可動部
32b 固定部
32c 溝部
33 点灯治具
33a 上側点灯治具
33b 下側点灯治具
33c 中央点灯治具
34 下部ユニット
34a 可動部
34b 固定部
34c 溝部
35 支柱ユニット
35a 支柱ユニットの内壁
37 接触部
38 固定部
40 プレート
60 センサー
100 点灯検査装置
101 検査部
102 受渡部
103 プローブユニット
104 搬送装置
105 筐体
110 液晶パネル
120 コロコンベア
125 製造ライン
130 検査ステージ
131 電極端子
132 ステージ上部ユニット
133 点灯治具
135 ステージ支柱ユニット
160 センサー
1000 点灯検査装置
2000 点灯検査装置
Claims (3)
- 表示パネルの点灯を検査する点灯検査装置であって、
表示パネルがセットされる検査ステージと、
前記検査ステージにセットされる前記表示パネルに接触する複数の点灯治具と
を備え、
前記検査ステージは、
支柱ユニットと、
前記支柱ユニットに連結された上部ユニットと
を含み、
前記上部ユニットは、前記検査ステージのサイズを変化するように移動可能に前記支柱ユニットに連結されており、
前記上部ユニットの下方における前記支柱ユニットの内壁には、前記複数の点灯治具として上側点灯治具と下側点灯治具とが設けられており、
前記上側点灯治具には、前記下側点灯治具への橋渡しとなるプレートが取り付けられている、点灯検査装置。 - 前記点灯検査装置は、前記下側点灯治具を検知するセンサーを備え、
前記表示パネルは、液晶パネルであり、
前記液晶パネルは、搬送ラインによって運ばれて前記検査ステージにセットされることを特徴とする、請求項1に記載の点灯検査装置。 - 前記プレートは、前記上側点灯治具の一部に固定されており、
前記下側点灯治具の一部は、前記プレートによって押さえられている、請求項1または2に記載の点灯検査装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180022873.7A CN102884567B (zh) | 2010-06-17 | 2011-06-16 | 点亮检查装置 |
JP2012520492A JP5470456B2 (ja) | 2010-06-17 | 2011-06-16 | 点灯検査装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-138593 | 2010-06-17 | ||
JP2010138593 | 2010-06-17 |
Publications (1)
Publication Number | Publication Date |
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WO2011158902A1 true WO2011158902A1 (ja) | 2011-12-22 |
Family
ID=45348295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/063801 WO2011158902A1 (ja) | 2010-06-17 | 2011-06-16 | 点灯検査装置 |
Country Status (3)
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JP (1) | JP5470456B2 (ja) |
CN (1) | CN102884567B (ja) |
WO (1) | WO2011158902A1 (ja) |
Cited By (1)
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WO2014169522A1 (zh) * | 2013-04-19 | 2014-10-23 | 深圳市华星光电技术有限公司 | 一种液晶模组测试用夹具组件 |
Families Citing this family (3)
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CN104166026A (zh) * | 2014-08-29 | 2014-11-26 | 苏州市吴中区胥口广博模具加工厂 | 一种小型显示屏点亮测试座 |
CN109916595B (zh) * | 2019-03-27 | 2021-01-22 | 京东方科技集团股份有限公司 | 一种点亮夹具及大视角光学测试装置 |
CN111077399A (zh) * | 2019-12-31 | 2020-04-28 | 苏州精濑光电有限公司 | 一种老化炉 |
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- 2011-06-16 WO PCT/JP2011/063801 patent/WO2011158902A1/ja active Application Filing
- 2011-06-16 CN CN201180022873.7A patent/CN102884567B/zh not_active Expired - Fee Related
- 2011-06-16 JP JP2012520492A patent/JP5470456B2/ja not_active Expired - Fee Related
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JP2006119031A (ja) * | 2004-10-22 | 2006-05-11 | Micronics Japan Co Ltd | パネルの検査装置に用いられる電気的接続装置 |
JP2007271572A (ja) * | 2006-03-31 | 2007-10-18 | Micronics Japan Co Ltd | 可動式プローブユニット及び検査装置 |
JP2009265139A (ja) * | 2008-04-22 | 2009-11-12 | Hitachi High-Technologies Corp | 液晶パネル検査装置及び液晶パネル検査方法 |
Cited By (1)
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WO2014169522A1 (zh) * | 2013-04-19 | 2014-10-23 | 深圳市华星光电技术有限公司 | 一种液晶模组测试用夹具组件 |
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JP5470456B2 (ja) | 2014-04-16 |
JPWO2011158902A1 (ja) | 2013-08-19 |
CN102884567A (zh) | 2013-01-16 |
CN102884567B (zh) | 2015-01-28 |
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