CN100458517C

CN100458517C - Base plate carrying device and supporting apparatus

Info

Publication number: CN100458517C
Application number: CNB2007100846829A
Authority: CN
Inventors: 汤浩清; 侯先益; 谢至忠; 程健源
Original assignee: AU Optronics Corp
Current assignee: AU Optronics Corp
Priority date: 2007-03-01
Filing date: 2007-03-01
Publication date: 2009-02-04
Anticipated expiration: 2027-03-01
Also published as: CN101013217A

Abstract

The invention relates to a substrate bearing device and its supporting device. Among them, the supporting device includes: the rod, with relative first and second terminals, the first terminal connected to the grounding; the top engine part, located at the second terminal of the rod, in which the top engine part away from the rod is the insulation material; the thimble, one part installed in the top engine part, and electrical connecting with the grounding; and the elastic component, at the top of the top engine part, to support the thimble. The substrate bearing device includes: a platform; at least one supporting device, installed on the platform, and one terminal of the supporting device connected to the platform and then to the grounding; and a substrate, installed on the supporting device, and meanwhile, contacting with the insulation material of the top engine part and the thimble. The invention has the advantages of being: preventing the top engine part accumulating charge to cause the substrate supported by the top engine part to be bad, to improve the quality pass rate.

Description

Substrate bearing device and bracing or strutting arrangement thereof

Technical field

The present invention relates to a kind of substrate bearing device and bracing or strutting arrangement thereof, but particularly a kind of substrate bearing device of electrostatic prevention and bracing or strutting arrangement thereof.

Background technology

General Thin Film Transistor-LCD (TFT-LCD) is the state by the Control of Voltage liquid crystal, can make the light of backlight module penetrate liquid crystal layer with required polarization direction, makes the picture of LCD present different color and lusters and pattern.And behind perfusion liquid crystal between two plate bases, each liquid crystal can make each liquid crystal molecule present the arrangement mode of rule by the alignment effect of alignment film on the substrate, and cooperates the distribution of circuit to demonstrate needed picture with operating voltage.

As shown in Figure 1, in alignment film coating process or other manufacture process/equipment, be on workbench A1, to use support rod body A11 to carry out every operation with support glass substrate A2.And glass substrate A2 can produce a large amount of static when vacuum breaker, and the static that is produced not only electromagnetic interference (EMI) confuses programmed instruction, even causes the TFT circuit damage.For solving the problem that static caused, the staff must increase the roughness on the support rod body A11 surface of workbench A1 with speciality tool (as: diamond pad), to reduce the static that glass substrate A2 is produced when the vacuum breaker, but this kind mode not only increases staff's burden, also causes the glass substrate damage simultaneously easily and disqualification rate is improved.

Therefore, how to improve the structure of support rod body, avoid the support rod body very high static of maintenance and glass substrate is damaged, qualification rate thus improves the quality, and the burden that reduces a staff, and then reducing manufacturing cost, this is a problem of being engaged in the technician institute desire improvement of relevant industries.

Summary of the invention

In view of this, the purpose of this invention is to provide a kind of substrate bearing device and bracing or strutting arrangement thereof, to prevent the electrostatic breakdown glass substrate on the support rod body, the qualification rate that improves the quality alleviates staff's burden, reduces manufacturing cost.

In order to achieve the above object, the present invention proposes a kind of bracing or strutting arrangement, comprises: the body of rod, have the first relative end and second end, and first end is connected to a grounding parts; Push up the part of pulling, be positioned at second end of the body of rod, wherein part the insulating end for by insulating material made of part away from the body of rod held up on this top, is provided with perforation at this insulating end; Thimble, the part of thimble are disposed at the top and pull in the part, and electrically connect with grounding parts, and this thimble can stretch out this top and holds up this perforation of part and expose this insulating material near the pull end of insulating end of part of this top; And an elastic parts, place the top to pull in the part, support pin makes this thimble hold up the state of part maintenance conducting by this elastic parts and this body of rod, this top.

The present invention also proposes a kind of substrate bearing device, comprises: platform; At least one bracing or strutting arrangement is installed on the platform, and bracing or strutting arrangement comprises: the body of rod, and the one end is connected to platform, and electrically connects with a grounding parts; Push up the part of pulling, be positioned at the other end with respect to the body of rod of platform, wherein part the insulating end for by insulating material made of part away from the body of rod held up on this top, is provided with perforation at this insulating end; Thimble, a part are disposed at the top and pull in the part, and electrically connect with grounding parts, and this thimble can stretch out this top and holds up this perforation of part and expose this insulating material near the pull end of insulating end of part of this top; Elastic parts places and pushes up in the part of pulling, and support pin makes this thimble hold up the state that part keeps conducting by this elastic parts and this body of rod, this top; And substrate, place on the bracing or strutting arrangement, contact simultaneously with the pull insulating end and the thimble of part of top.

The Electrostatic Discharge that the present invention makes substrate presses down to contact with the body of rod by thimble and imports the earth, and it is bad to prevent that the substrate stored charge from causing the TFT circuit to take place, and uses the qualification rate that improves the quality, and reduces staff's burden.

Following conjunction with figs. illustrates preferred embodiment of the present invention and effect thereof.

Description of drawings

Fig. 1 is the synoptic diagram of bracing or strutting arrangement supporting substrate commonly used;

Fig. 2 is the diagrammatic cross-section of bracing or strutting arrangement of the present invention;

Fig. 3 is the synoptic diagram of supporting substrate of the present invention.Wherein, description of reference numerals is as follows:

A1 workbench A11 support rod body A2 glass substrate

1 platform, 2 bracing or strutting arrangements, 21 bodies of rod

211 first ends, 212 second ends, 213 containing holes

22 push up part 221 insulating ends 222 accommodation spaces of pulling

223 perforation, 224 open-works, 23 thimbles

231 protuberances, 232 back-up blocks, 24 elastic partss

3 substrates

Embodiment

As shown in Figures 2 and 3, it is embodiments of the invention.

Substrate bearing device comprises: platform 1, bracing or strutting arrangement 2, substrate 3.

Bracing or strutting arrangement 2 is installed on the platform 1, in order to supporting substrate 3.And bracing or strutting arrangement 2 comprises: the body of rod 21, top pull part 22, thimble 23, elastic parts 24.

The body of rod 21 has the first relative end 211 and second end, 212, the first ends 211 are connected to platform 1, and electrically connects with grounding parts, and is provided with containing hole 213.

Second end 212 of the body of rod 21 has a top part 22 of pulling, and the top part 22 of pulling is insulating end 221 away from an end of the body of rod 21, and made by insulating material, this insulating material can be polyacrylic acid ether ketone.In addition, pull that part 22 is provided with accommodation space 222 and form hollow form in the top, and be provided with perforation 223 at insulating end 221, and the other end then is provided with open-work 224, and wherein, open-work 224 is connected with the containing hole 213 of the body of rod 21.

Thimble 23, a part is disposed in the accommodation space 222 that pushes up the part 22 of pulling, part in accommodation space 222 is provided with protuberance 231, and an end of thimble 23 passes open-work 224 and is inserted in the containing hole 213, the other end then stretches out perforation 223 and exposes insulating end 221, and be provided with back-up block 232, but and pull in the perforation 223 of part 22 in back-up block 232 retractions top, and roughly form a plane with insulating end 221 and come supporting substrate 3.

The surface of the back-up block 232 in the above-mentioned explanation can be circular arc, scratch substrate 3 when avoiding supporting substrate 3 and cause bad.

Elastic parts 24 places in the accommodation space 222 that pushes up the part 22 of pulling, and the protuberance 231 of an end support pin 23 of elastic parts 24, and the other end supports the wall of accommodation space 222 and locatees.

According to structure disclosed in this invention, wherein the body of rod 21 can be made by low electrical resistant material, and thimble 23 also can be made by low electrical resistant material.In addition, pull part 22 or the body of rod 21 of thimble 23 and elastic parts 24, top all can form conducting.

When substrate 3 places on the bracing or strutting arrangement 2, make substrate 3 simultaneously and the pull insulating end 221 of part 22 and the back-up block 232 of thimble 23 of top contact, and thimble is pressed down by substrate 3, and then elasticity of compression assembly 24 pushes up in the perforation 223 of the part 22 of pulling thimble 23 retractions, an end that not only makes thimble 23 moves in containing hole 213, and keeps the state of conductings by elastic parts 24 and the body of rod 21, the top part 22 of pulling.

The static that substrate 3 and platform 1 are produced when vacuum breaker, via thimble 23, elastic parts 24, the top part 22 of pulling, first end 211 via the body of rod 21 imports the earth at last, solution is pushed up the insulating end 221 of the part 22 of pulling and is accumulated too much electric charge and produce discharge and the destruction circuit on substrate 3, or the electromagnetic interference (EMI) that is produced confuses problems such as programmed instruction, the qualification rate that not only improves the quality, the burden that also reduces a staff simultaneously, and then reduce manufacturing cost.After job procedure was finished, substrate 3 left bracing or strutting arrangement 2, and the protuberance 231 of thimble 23 is subjected to upwards promoting of elastic parts 24 and exposes insulating end 221, made the electric charge that pushes up the part 22 of pulling can import the earth via first end 211 of the thimble 23 and the body of rod 21 at any time.

Structure disclosed according to the present invention, the present invention not only can be used in the alignment film coating manufacture process, also can be used for other can produce in the manufacture process/equipment of a large amount of static when vacuum breaker, in addition, the a large amount of static that produced during vacuum breaker just can import the earth by the present invention, to cause substrate 3 to take place bad for part 22 accumulation static to prevent the top to pull, and uses the qualification rate that improves the quality, and reduce staff's burden.

Though technology contents of the present invention with preferred embodiment openly as above; but it is not in order to limit the present invention; those skilled in the art can carry out various changes and modification under the situation that does not break away from design of the present invention; these changes all should be covered by in the scope of the present invention with modification, so protection scope of the present invention should be as the criterion with the scope that appending claims was defined.

Claims

1. bracing or strutting arrangement comprises:

One body of rod has one first relative end and one second end, and this first end is connected to a grounding parts;

The one top part of pulling is positioned at this second end of this body of rod, and wherein part is pulled away from the insulating end of part for being made by insulating material of this body of rod in this top, is provided with perforation at this insulating end;

One thimble, the part of this thimble are disposed at this top and pull in the part, and electrically connect with this grounding parts, and this thimble can stretch out this perforation and expose this insulating end near the pull end of insulating end of part of this top; And

One elastic parts places this top to pull in the part, supports this thimble, makes this thimble hold up the state that part keeps conducting by this elastic parts and this body of rod, this top.

2. bracing or strutting arrangement according to claim 1 is characterized in that this body of rod is made by low electrical resistant material.

3. bracing or strutting arrangement according to claim 1 is characterized in that, this top part of pulling comprises an accommodation space, in order to the part of ccontaining this thimble.

4. bracing or strutting arrangement according to claim 1 is characterized in that, this top part of pulling comprises an open-work, and this open-work is positioned at this top and pulls part near an end of this body of rod, in order to this thimble of planting.

5. bracing or strutting arrangement according to claim 1 is characterized in that, this insulating material is a polyacrylic acid ether ketone.

6. bracing or strutting arrangement according to claim 1 is characterized in that this thimble is made by low electrical resistant material.

7. bracing or strutting arrangement according to claim 1 is characterized in that this thimble comprises a protuberance, uses for this elastic parts to support and locate.

8. bracing or strutting arrangement according to claim 1 is characterized in that this thimble comprises a back-up block, in order to support a substrate.

9. bracing or strutting arrangement according to claim 8 is characterized in that, this back-up block is subjected to this substrate compressing and this perforation of retraction.

10. a substrate bearing device is characterized in that, this device comprises:

One platform;

At least one bracing or strutting arrangement is installed on this platform, and described bracing or strutting arrangement comprises:

One body of rod, an end of this body of rod is connected to this platform, and electrically connects with a grounding parts;

The one top part of pulling is positioned at the other end with respect to the body of rod of this platform, and wherein part is pulled away from the insulating end of part for being made by insulating material of this body of rod in this top, is provided with perforation at this insulating end;

One thimble, the part of this thimble are disposed at this top and pull in the part, and electrically connect with this grounding parts, and this thimble can stretch out this perforation and expose this insulating end near the pull end of insulating end of part of this top; With

One elastic parts places this top to pull in the part, supports this thimble, makes this thimble hold up the state that part keeps conducting by this elastic parts and this body of rod, this top; And

One substrate places on this bracing or strutting arrangement, contacts with the pull insulating end and the thimble of part of this top simultaneously.

11. substrate bearing device according to claim 10 is characterized in that, this body of rod is made by low electrical resistant material.

12. substrate bearing device according to claim 10 is characterized in that, this top part of pulling comprises an accommodation space, in order to the part of ccontaining this thimble.

13. substrate bearing device according to claim 10 is characterized in that, this top part of pulling comprises an open-work, and this open-work is positioned at this top and pulls part near an end of this body of rod, in order to this thimble of planting.

14. substrate bearing device according to claim 10 is characterized in that, this insulating material is a polyacrylic acid ether ketone.

15. substrate bearing device according to claim 10 is characterized in that, this thimble is made by low electrical resistant material.

16. substrate bearing device according to claim 10 is characterized in that, this thimble comprises a protuberance, uses for this elastic parts to support and locate.

17. substrate bearing device according to claim 10 is characterized in that, this thimble comprises a back-up block, in order to support this substrate.

18. substrate bearing device according to claim 17 is characterized in that, this back-up block is subjected to this substrate compressing and this perforation of retraction.