CN103399425A - Glass substrate supporting device and liquid crystal display panel processing technology - Google Patents
Glass substrate supporting device and liquid crystal display panel processing technology Download PDFInfo
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- CN103399425A CN103399425A CN2013103503243A CN201310350324A CN103399425A CN 103399425 A CN103399425 A CN 103399425A CN 2013103503243 A CN2013103503243 A CN 2013103503243A CN 201310350324 A CN201310350324 A CN 201310350324A CN 103399425 A CN103399425 A CN 103399425A
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- glass substrate
- support member
- liquid crystal
- bracing
- strutting arrangement
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/6875—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a plurality of individual support members, e.g. support posts or protrusions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/673—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
- H01L21/6734—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders specially adapted for supporting large square shaped substrates
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a glass substrate supporting device which is used for production of liquid crystal display panels. The glass substrate supporting device comprises a platform and a plurality of supporting pieces, wherein the supporting pieces are arranged in the first direction of the platform; the supporting pieces have a first length in the first direction; the top of each supporting piece is provided with a contact plane; the supporting pieces support a glass substrate through the contact planes. The supporting device can enlarge the contact area of the supporting pieces and the glass substrate, and the contact face of the supporting pieces and the glass substrate can be arranged outside an effective region of the glass substrate, so that the problems in an existing manufacturing technology of the liquid crystal display panels are solved effectively, production cost is lowered, and the supporting device is simple in structure, easy to operate and suitable for industrial production. The invention further provides a liquid crystal display panel processing technology, wherein the glass substrate supporting device is used in the liquid crystal display panel processing technology.
Description
Technical field
The present invention relates to the panel of LCD processing technique field, particularly a kind of glass substrate bracing or strutting arrangement, and the liquid crystal panel processing technology that adopts this glass substrate bracing or strutting arrangement to support glass substrate.
Background technology
Liquid crystal display, or claim LCD(LiquidCrystalDisplay), being the display device of planar ultra-thin, it is comprised of colour or the monochrome pixels of some, is positioned over light source or reflecting surface the place ahead.The liquid crystal display power consumption is very low, and has high image quality, little, the lightweight characteristics of volume, and therefore extremely everybody favors, and becomes the main flow of display.
The main body of general liquid crystal display is liquid crystal cells, is mainly to consist of two transparency carriers and the liquid crystal that is enclosed between substrate.Liquid crystal display is with thin film transistor (TFT) (ThinFilm Transistor at present, TFT) liquid crystal display is main, and the making of general Thin Film Transistor-LCD can roughly be divided into three parts: thin film transistor (TFT) array (TFTArray) preparation process and color filter preparation engineering, liquid crystal display assembling (LCCellAssembly) preparation process, LCD MODULE (Liquid CrystalModule, LCM) preparation process.
In the process of liquid crystal panel, normally first the large panel of a monoblock is processed, and then large panel is cut into to needed undersized panel.Wherein, when carrying out thin film transistor (TFT) array (TFT Array) preparation process, need on glass substrate, make the techniques such as conductive layer, orientation rete, in these techniques, need glass substrate is carried out to flying shore and maintenance level.Adopt at present the support member of dot matrix type to support glass substrate, as shown in Figure 1, described glass substrate 100 has the frame glue zone 102 of the described a plurality of effective coverages 101 in a plurality of effective coverages 101 and interval, and the support member 103 of dot matrix type is distributed in the below of glass substrate.adopt the support member of dot matrix type to support glass substrate, the quantity of support member is many, be difficult to control the position of each support member, therefore there is the part support member to be located in the effective coverage 101 of glass substrate 100, so support member exists and contacts with the effective coverage 101 of glass substrate, the specific heat capacity of the material of support member 103 and glass substrate 100 is inconsistent, can cause in the technological processs such as film forming, there is the temperature difference in support member 103 with the position of the surface of contact of glass substrate 100, deformation etc., and due to certain gap being arranged between support member 103, cause glass substrate 100 between support member 103, having because the causes such as gravity make the whole out-of-flatness of substrate in twos, thereby make the thickness heterogeneity that forms in manufacturing process, layout has deviation, and in the manufacturing process of liquid crystal display, this kind thickness heterogeneity can produce many bad, various Mura such as array preparation process (Array), aberration and gray scale inequality, the PinMura of alignment film operation, block Mura etc.
Summary of the invention
Deficiency in view of the prior art existence, the present invention proposes a kind of glass substrate bracing or strutting arrangement, this device can increase the contact area of support member and glass substrate, and the surface of contact of support member and glass substrate can be arranged at outside the effective coverage of glass substrate, efficiently solve bad in the manufacturing process of liquid crystal display, reduced production cost, and this apparatus structure is simple, easy and simple to handle, be suitable for suitability for industrialized production.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of glass substrate bracing or strutting arrangement, the production for panel of LCD comprises:
One platform;
Along the first direction of described platform, arrange and be provided with a plurality of support members, described support member has the first length on first direction, and the top of described support member has a contact plane, and described support member is by described contact plane support glass substrate.
Preferably, on the direction perpendicular to the first length, the top of described support member has the second length, and bottom has the 3rd length, and the 3rd length is greater than the second length.
Preferably, described glass substrate comprises the frame glue zone of the described a plurality of effective coverages in a plurality of effective coverages and interval; Described the second length is less than the width in described frame glue zone.
Preferably, the xsect of described support member is trapezoidal.
Preferably, on described platform, be provided with a plurality of guide rails, described guide rail is by arranging perpendicular to described first direction, and described support member is connected with described platform by described guide rail, and described support member can move on described guide rail.
Preferably, the glass substrate bracing or strutting arrangement also comprises a computer control system, be used to controlling described support member, on described guide rail, moves.
Another aspect of the present invention is to provide a kind of liquid crystal panel processing technology, comprises that the support glass substrate makes the operation of the unsettled and maintenance level of described glass substrate, wherein, when supporting described glass substrate, has adopted glass substrate bracing or strutting arrangement as above.
Preferably, the operation of the described glass substrate of this support specifically comprises step:
(a), control described support member and move on described guide rail, make the contact plane of described support member aim at the frame glue zone of described glass substrate;
(b), described glass substrate is positioned on described support member, wherein, the contact plane of the described support member of frame glue regional alignment of described glass substrate.
Preferably, described liquid crystal panel processing technology also is included in the step of coating alignment film on described glass substrate.
Preferably, described liquid crystal panel processing technology also is included in the step that the frame glue zone of described glass substrate prepares the glue frame and splashes into liquid crystal in the effective coverage of described glass substrate.
Glass substrate bracing or strutting arrangement of the present invention adopts to have than the support member of big-length glass substrate is supported, can increase the contact area of support member and glass substrate, and the surface of contact that can control exactly support member and glass substrate is arranged at outside the effective coverage of glass substrate, the effective coverage that can avoid glass substrate produces deformation because stressed or temperature is uneven, efficiently solve bad in the manufacturing process of liquid crystal display, reduced production cost, and this apparatus structure is simple, easy and simple to handle, be suitable for suitability for industrialized production.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the technical scheme of existing a kind of support glass substrate.
Fig. 2 is the front view of the bracing or strutting arrangement in the present invention's one specific embodiment, in figure, also shows the glass substrate that is positioned on this device.
Fig. 3 is the vertical view of bracing or strutting arrangement as shown in Figure 2.
Fig. 4 is the schematic diagram that adopts bracing or strutting arrangement to support glass substrate in the present invention's one specific embodiment, and wherein, described glass substrate comprises the effective coverage of a plurality of same sizes.
Fig. 5 is the schematic diagram that adopts bracing or strutting arrangement to support glass substrate in the present invention's one specific embodiment, and wherein, described glass substrate comprises the effective coverage of a plurality of different sizes.
Embodiment
As previously mentioned, the present invention is directed to the defect that prior art exists, a kind of glass substrate bracing or strutting arrangement is provided, production for panel of LCD, comprise a platform and a plurality of support members of arranging along the first direction of described platform, described support member has the first length on first direction, the top of described support member has a contact plane, and described support member is by described contact plane support glass substrate.
Glass substrate bracing or strutting arrangement provided by the invention can increase the contact area of support member and glass substrate, and the surface of contact of support member and glass substrate can be arranged at outside the effective coverage of glass substrate, efficiently solve bad in the manufacturing process of liquid crystal display, reduced production cost, and this apparatus structure is simple, easy and simple to handle, be suitable for suitability for industrialized production.
Below will the present invention will be further described to using by reference to the accompanying drawings embodiment.
Consult Fig. 2 and Fig. 3, wherein, Fig. 2 is the front view of the bracing or strutting arrangement in the present embodiment, in figure, also shows the glass substrate 100 that is positioned on this device; Fig. 3 is the vertical view of the bracing or strutting arrangement in the present embodiment.
As shown in Figures 2 and 3, glass substrate bracing or strutting arrangement in the present embodiment comprises platform 300 and along a plurality of support members 200 of the longitudinal arrangement of described platform 300, described support member 200 has the first length 202 on the direction of arranging, the top of described support member 200 has a contact plane 201, and described support member 200 is by described contact plane 201 support glass substrates 100.
Wherein, on the direction perpendicular to the first length 202, the top of described support member has the second length 203, and bottom has the 3rd length 204, and the 3rd length 204 is greater than the second length 201.
Wherein, described glass substrate 100 comprises the frame glue zone 102 of the described a plurality of effective coverages 101 in a plurality of effective coverages 101 and interval; Described the second length 203 is less than the width in described frame glue zone 102.
Wherein, the xsect of described support member 200 is trapezoidal.
In the present embodiment, on described platform 300, be provided with a plurality of guide rails 400, described guide rail 400 is along the lateral arrangement of described platform 300, be that described guide rail 400 is mutually vertical with described support member 200, described support member 200 is connected with described platform 300 by described guide rail 400, and described support member 200 can move on described guide rail 400.
In the present embodiment, the glass substrate bracing or strutting arrangement also comprises a computer control system (not indicating in accompanying drawing), be used to controlling described support member 200, on described guide rail 400, moves; Wherein, each support member 200 is connected on guide rail independently of each other, and each support member 200 has a drive motor (not indicating in accompanying drawing) to control, and by drive motor, can control support member 200 and slide on guide rail 400; This drive motor is to control by computer control system, can control separately single support member 200 moves respectively, also can control simultaneously all support member 200 integral body and move together, thereby make support member can move to quickly and accurately the frame glue zone 102 of glass substrate 100.
Glass substrate bracing or strutting arrangement provided by the invention is mainly used in the processing technology of liquid crystal panel, the processing technology of liquid crystal panel comprises that the support glass substrate makes the operation of the unsettled and maintenance level of described glass substrate, wherein, when supporting described glass substrate, adopted glass substrate bracing or strutting arrangement provided by the invention.
In the process of liquid crystal panel, normally first the large panel of a monoblock is processed, and then large panel is cut into to needed undersized panel.Therefore on the glass substrate when technique is initial, just be set with the frame glue zone of the described a plurality of effective coverages in a plurality of effective coverages and interval; Wherein, described effective coverage is the zone of perfusion liquid crystal and described frame glue zone is the glue frame of described a plurality of effective coverages being isolated mutually be used to arranging, and along frame glue zone, cuts when final counter plate cuts.
Fig. 4 is the schematic diagram that adopts bracing or strutting arrangement of the present invention to support glass substrate in the present embodiment, and wherein, described glass substrate 100 comprises the effective coverage 101 of a plurality of same sizes.
Wherein, adopt bracing or strutting arrangement of the present invention specifically to comprise step to the operation that glass substrate supports:
(a) effective coverage 101 of setting on described glass substrate 100 when, initial according to technique by computer control system (not indicating in accompanying drawing) and the position in frame glue zone 102, control described support member 200 and move on described guide rail 400, make the contact plane 201 of described support member 200 aim at the position in the frame glue zone 102 of described glass substrate 100;
(b), described glass substrate 100 is positioned on described support member 200, wherein, the contact plane 201 of described support member 200 is aimed in the frame glue zone 102 of described glass substrate 100, and support member 200 and the surface of contact 201 of glass substrate 100 are arranged at outside the effective coverage of glass substrate 100.
Wherein, the first length 202 of described support member 200 slightly is longer than the width of glass substrate 100 on the first length direction, before carrying out operation, can select the support member 200 of suitable length to be installed on described platform 300 according to the size of glass substrate 100.
In a further embodiment, described glass substrate 100 comprises the effective coverage 101 of a plurality of different sizes, on same glass substrate 100, to process simultaneously the display panels of different size, as shown in Figure 5.The process that adopts bracing or strutting arrangement of the present invention to support this glass substrate 100 is consulted the content of previous embodiment.
It should be noted that, because bracing or strutting arrangement of the present invention adopts computer control system according to the effective coverage 101 of setting on glass substrate 100 and the position in frame glue zone 102, controlling described support member 200 moves on described guide rail 400, therefore for described glass substrate 100, comprise the situation of the effective coverage 101 of a plurality of different sizes, bracing or strutting arrangement of the present invention is also very accurately support member 200 and the surface of contact 201 of glass substrate 100 to be arranged at outside the effective coverage of glass substrate 100.Bracing or strutting arrangement provided by the invention can be adjusted the position of support member flexibly, especially is suitable for processing simultaneously on same glass substrate for needs the processing technology of the display panels of different size.
In sum, glass substrate bracing or strutting arrangement of the present invention adopts to have than the support member of big-length glass substrate is supported, can increase the contact area of support member and glass substrate, and the surface of contact that can control exactly support member and glass substrate is arranged at outside the effective coverage of glass substrate, the effective coverage that can avoid glass substrate produces deformation because stressed or temperature is uneven, efficiently solve bad in the manufacturing process of liquid crystal display, reduced production cost, and this apparatus structure is simple, easy and simple to handle, be suitable for suitability for industrialized production.
It should be noted that, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operational zone, and not necessarily requires or imply between these entities or operation the relation of any this reality or sequentially of existing.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is only the application's embodiment; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the application's protection domain.
Claims (10)
1. glass substrate bracing or strutting arrangement, the production for panel of LCD, is characterized in that, comprising:
One platform (300);
Along the first direction of described platform (300), arrange and be provided with a plurality of support members (200), described support member (200) has the first length (202) on first direction, the top of described support member (200) has a contact plane (201), and described support member (200) is by described contact plane (201) support glass substrate (100).
2. glass substrate bracing or strutting arrangement according to claim 1, it is characterized in that, on the direction perpendicular to the first length (202), the top of described support member (200) has the second length (203), bottom has the 3rd length (204), and the 3rd length (204) is greater than the second length (203).
3. glass substrate bracing or strutting arrangement according to claim 2, is characterized in that, described glass substrate (100) comprises the frame glue zone (102) of a plurality of effective coverages (101) and described a plurality of effective coverages, interval (101); Described the second length (203) is less than the width in described frame glue zone (102).
4. according to claim 2 or 3 described glass substrate bracing or strutting arrangements, is characterized in that, the xsect of described support member (200) is trapezoidal.
5. glass substrate bracing or strutting arrangement according to claim 1 and 2, it is characterized in that, on described platform (300), be provided with a plurality of guide rails (400), described guide rail (400) is by perpendicular to described first direction, arranging, described support member (200) is connected with described platform (300) by described guide rail, and described support member (200) can be upper mobile at described guide rail (400).
6. glass substrate bracing or strutting arrangement according to claim 5, is characterized in that, the glass substrate bracing or strutting arrangement also comprises a computer control system, and is upper mobile at described guide rail (400) be used to controlling described support member (200).
7. liquid crystal panel processing technology, comprise that support glass substrate (100) makes described glass substrate (100) unsettled and keep the operation of level, it is characterized in that, adopt glass substrate bracing or strutting arrangement as described as claim 1-6 to as described in glass substrate (100) support.
8. liquid crystal panel processing technology according to claim 7, is characterized in that, this operation specifically comprises step:
(a), to control described support member (200) upper mobile at described guide rail (400), makes the contact plane (201) of described support member (200) aim at the frame glue zone (102) of described glass substrate (100);
(b), that described glass substrate (100) is positioned over to described support member (200) is upper, wherein, the contact plane (201) of described support member (200) is aimed in the frame glue of described glass substrate (100) zone (102).
9. liquid crystal panel processing technology according to claim 8, is characterized in that, this technique also is included in the step of the upper coating of described glass substrate (100) alignment film.
10. liquid crystal panel processing technology according to claim 9, it is characterized in that, this technique also is included in the step that the frame glue zone (102) of described glass substrate (100) prepares the glue frame and splashes into liquid crystal in the effective coverage (101) of described glass substrate (100).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103503243A CN103399425A (en) | 2013-08-12 | 2013-08-12 | Glass substrate supporting device and liquid crystal display panel processing technology |
| PCT/CN2013/081486 WO2015021622A1 (en) | 2013-08-12 | 2013-08-14 | Glass substrate supporting device and liquid crystal panel manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103503243A CN103399425A (en) | 2013-08-12 | 2013-08-12 | Glass substrate supporting device and liquid crystal display panel processing technology |
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| Publication Number | Publication Date |
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| CN103399425A true CN103399425A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103503243A Pending CN103399425A (en) | 2013-08-12 | 2013-08-12 | Glass substrate supporting device and liquid crystal display panel processing technology |
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| CN (1) | CN103399425A (en) |
| WO (1) | WO2015021622A1 (en) |
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| CN105116626A (en) * | 2015-09-29 | 2015-12-02 | 深圳市华星光电技术有限公司 | Alignment film coating device and coating method thereof |
| CN105209966B (en) * | 2014-04-18 | 2017-03-29 | 安瀚视特控股株式会社 | Glass substrate for plane display device and its manufacture method and liquid crystal display |
| CN106876233A (en) * | 2017-03-09 | 2017-06-20 | 成都京东方光电科技有限公司 | Bogey and ion implantation device |
| CN108847406A (en) * | 2018-06-26 | 2018-11-20 | 合肥泰禾光电科技股份有限公司 | A kind of intelligence stitch bogey, intelligently preheating bearing system and substrate heating laying method |
| CN109809170A (en) * | 2019-03-20 | 2019-05-28 | 深圳市华星光电技术有限公司 | Handling device |
| US10551651B2 (en) | 2017-01-13 | 2020-02-04 | Boe Technology Group Co., Ltd. | Substrate support device |
| CN111766724A (en) * | 2020-07-17 | 2020-10-13 | Tcl华星光电技术有限公司 | Alignment inspection device |
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| US10598220B2 (en) | 2017-03-09 | 2020-03-24 | Boe Technology Group Co., Ltd. | Bearing device and ion implantation device |
| CN108847406A (en) * | 2018-06-26 | 2018-11-20 | 合肥泰禾光电科技股份有限公司 | A kind of intelligence stitch bogey, intelligently preheating bearing system and substrate heating laying method |
| CN109809170A (en) * | 2019-03-20 | 2019-05-28 | 深圳市华星光电技术有限公司 | Handling device |
| CN111766724A (en) * | 2020-07-17 | 2020-10-13 | Tcl华星光电技术有限公司 | Alignment inspection device |
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| WO2015021622A1 (en) | 2015-02-19 |
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