KR101052010B1 - Spring pusher for lcd glass holding - Google Patents

Spring pusher for lcd glass holding Download PDF

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Publication number
KR101052010B1
KR101052010B1 KR1020110038284A KR20110038284A KR101052010B1 KR 101052010 B1 KR101052010 B1 KR 101052010B1 KR 1020110038284 A KR1020110038284 A KR 1020110038284A KR 20110038284 A KR20110038284 A KR 20110038284A KR 101052010 B1 KR101052010 B1 KR 101052010B1
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KR
South Korea
Prior art keywords
lcd glass
pusher spring
pusher
hole
lcd
Prior art date
Application number
KR1020110038284A
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Korean (ko)
Inventor
이용근
Original Assignee
주식회사 페어텍
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Publication date
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Priority to KR1020110038284A priority Critical patent/KR101052010B1/en
Application granted granted Critical
Publication of KR101052010B1 publication Critical patent/KR101052010B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/061—Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/062—Easels, stands or shelves, e.g. castor-shelves, supporting means on vehicles
    • 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
    • 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
    • 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
    • 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
    • H01L21/68728—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 separate clamping members, e.g. clamping fingers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

PURPOSE: An LCD glass holding apparatus including a pusher spring is provided to improve the reliability in holding an LCD glass using a pusher spring with improved durability. CONSTITUTION: An LCD glass holding apparatus comprises a holding plate(20) in which a step is installed in order to put an LCD glass, a pusher spring(30) which is connected to a pusher spring hole formed on the holding plate, an open rod which pushes the pusher spring for detaching the LCD glass, and an LCD glass holder which forms a planar part.

Description

LCD pusher with durable pusher spring {Spring pusher for LCD glass holding}

The present invention relates to an LCD glass holding device having a pusher spring with improved durability, and more particularly, a pusher spring for holding an LCD glass, which is configured to hold or release the LCD glass, to hold the LCD glass in order to transfer it to a required position. In the holding state, it is held for a long time for various processes such as deposition, and when the required process is completed, the LCD glass is moved to the required position again, and the process of releasing the holding of the LCD glass is repeatedly performed in a number of times. An LCD glass holding device having a pusher spring including durability.

Recently, as society has rapidly developed into the information age, the display field for processing and displaying a large amount of information has been rapidly developed.

In particular, with the recent development of liquid crystal displays (LCDs), which have characteristics such as thinning, light weight, and low power consumption, they are forming a new mainstream in the display field replacing the existing cathode-ray tube (CRT).

In general, a liquid crystal display device displays an image by using optical anisotropy and polarization of liquid crystal. That is, the liquid crystal molecules have a thin and long structure, optical anisotropy having an orientation in the arrangement, and polarization properties in which the molecular arrangement is changed when an electric field is artificially applied. Accordingly, the liquid crystal display device applies an appropriate voltage to these liquid crystal molecules to artificially change the arrangement direction, and expresses an image by changing the optical refraction.

In such a liquid crystal display device, a liquid crystal panel for displaying an image shown to a user, in particular, has a lower substrate and an upper substrate on which a plurality of elements including an electric field generating electrode are installed on opposite surfaces, respectively, and the two electrodes face each other. After arranging to see, the liquid crystal is filled in between.

In this case, the upper and lower substrates are each formed by depositing a thin film on a substrate made of a transparent material such as glass, and then etching and patterning the pattern several times to realize the above-described field generating electrode and a plurality of elements. After each of these manufacturing processes is completed, the board is inspected for abnormalities.

As such, in the process of transferring the LCD glass according to each process including the deposition process on the LCD glass surface to each process position, the process of holding the LCD glass and installing it at a predetermined process position must be released. One of the configurations used at this time is a pusher spring for LCD glass holding.

In general, three or more pusher springs are required on each side of the LCD glass, and the steps of holding and releasing the LCD glass are repeated many times. Due to this repetitive process, the pusher springs are highly durable for heat and elasticity. Very high reliability must be ensured as this is maintained.

However, the conventional pusher spring for LCD glass holding has a problem that the reliability and durability very lack in many iterative processes.

Accordingly, the present invention has been made to solve the above problems, and the object of the present invention is to hold the LCD glass in order to transfer the LCD glass to the required position, and even in such a repetitive process in which the steps of releasing it are repeated many times. An object of the present invention is to provide an LCD glass holding device having a very high reliability and durability, and in particular, a heat resistant pusher spring.

An object of the present invention as described above, is provided in the carrier to be replaced according to the size of the LCD glass, the fixing step is formed with a stepped to the LCD glass is mounted; A pusher spring coupled to a pusher spring hole formed in the holder to press and fix the LCD glass; And an open bar for pushing the pusher spring to detach the LCD glass from the holder through the open bar hole spaced apart from the pusher spring hole.

The pusher spring may include a fixing piece coupled to the pusher spring hole by forming a coupling hole corresponding to the pusher spring hole, a bent portion extending vertically from one side of the fixing piece for elastic force, and from one side of the bent portion. The pusher spring is extended to be parallel to the fixing piece, one side is formed to bend to be inclined downward to reinforce the elastic force, the end of the improved pusher spring characterized in that consisting of the LCD glass support formed a flat portion in contact with the LCD glass Achieved by an LCD glass holding device provided.

Here, the pusher spring is preferably subjected to the surface treatment in a bead blasting method on one side of the LCD glass support facing the LCD glass to give roughness.

In addition, the pusher spring is preferably made of inconel, which is a heat-resistant alloy mainly made of nickel.

According to the present invention, in particular, the pusher spring is made of Inconel, a heat-resistant alloy mainly composed of nickel, which is resistant to heat, and has a frictional treatment with the LCD glass by surface-treating the bead blasting method on one side of the LCD glass support facing the LCD. At the same time, since the indium tin oxide (ITO) and Cr deposits do not fall, the defect rate is remarkably reduced, and the shape is optimally designed to stably support the LCD glass.

There is little thermal deformation in the process such as deposition of LCD glass that is carried out at a high temperature (250 ~ 500 ℃), and ensures a very high stability, such as stable support of the LCD glass during transport by the carrier.

1 is a front view showing an LCD glass holding device equipped with a pusher spring with improved durability according to the present invention,
2 is an enlarged side view and main portion of FIG. 1;
3 is a main operation relationship diagram of the present invention;
4 is a pusher spring according to the present invention,
5 is a plan view and a bottom view of FIG. 4.

The present invention relates to an LCD glass holding device having a pusher spring with improved durability, and more particularly, a pusher spring for holding an LCD glass, which is configured to hold or release the LCD glass, to hold the LCD glass in order to transfer it to a required position. In the holding state, it is held for a long time for various processes such as deposition, and when the required process is completed, the LCD glass is moved to the required position again, and the process of releasing the holding of the LCD glass is repeatedly performed in a number of times. An LCD glass holding device having a pusher spring including durability.

To this end, the present invention is installed on the carrier 10 so as to be replaced according to the size of the LCD glass 100, the fixing stand 20 is formed with a step 24 on which the LCD glass 100 can be mounted; A pusher spring (30) coupled to the pusher spring hole (21) formed in the holder (20) to press and fix the LCD glass (100); And an open bar (40) for pushing the pusher spring (30) to detach the LCD glass (100) from the holder (20) through the open bar hole (22) formed to be spaced apart from the pusher spring hole (21).

In particular, the pusher spring 30 forms a coupling hole 31a corresponding to the pusher spring hole 21 to be fixed to the pusher spring hole 21 and the fixing piece 31 and the fixing piece 31. The curved portion 33 is extended to be bent vertically from one side of the, and extends parallel to the fixing piece 31 from one side of the curved portion 33, one side of the bent portion (34a) to be inclined downward to reinforce the elastic force And the end is characterized in that consisting of the LCD glass support portion 34 formed with a flat portion (34b) in contact with the LCD glass 100.

In addition, the pusher spring 30 may be roughened by surface-treating the bead blasting method on one side of the LCD glass support part 34 facing the LCD glass 100, and is a heat-resistant alloy mainly made of nickel. It is preferable that it consists of (inconel).

Hereinafter, with reference to the accompanying drawings showing a preferred embodiment of the present invention will be described in detail.

The present invention includes a fixture 20, a pusher spring 30 and an open rod 40.

Fixture 20 is installed on the carrier 10 to be replaced according to the size of the LCD glass 100, and the configuration is formed with a step (24) on which the LCD glass 100 can be mounted, such a fixture 20 ), A plurality of pusher spring holes 21 and open bar holes 22 are formed, so that the pusher spring 30 can be fixed, and space is secured so that the LCD glass 100 can be seated as shown in FIG. 3. The open bar 40 may flip the pusher spring 30 so as to open.

The pusher spring 30 is coupled to the pusher spring hole 21 formed in the holder 20 to press and fix the LCD glass 100, and is fixed by a fastening means such as a bolt 35.

Specifically, as shown in FIG. 4, the pusher spring 30 forms a coupling hole 31a corresponding to the pusher spring hole 21 and is fixed to the pusher spring hole 21. A bent portion (33) extending vertically from one side of the fixing piece (31) and extending from one side of the bending portion (33) to be parallel to the fixing piece (31), one side of which is inclined downward for reinforcement of elastic force A bent portion 34a is formed, and an end thereof is formed of an LCD glass support portion 34 having a flat portion 34b which is in contact with the LCD glass 100.

And it is preferable that the pusher spring 30 is subjected to surface treatment in a bead blasting manner on one side of the LCD glass support part 34 facing the LCD glass 100, as shown in FIG. When the roughness is given by the treatment, frictional force with the LCD glass 100 is increased, thereby stably clamping the LCD glass 100.

In the LCD manufacturing process, there is a color filter process in which ITO or Cr is deposited on the LCD glass 100. During this process, the backside of the pusher spring 30 (the entrance and exit side of the open bar 40) is inevitable. ITO and Cr deposits will stick. However, the conventional pusher spring 30 is not rough, so that the deposits stuck to the back of the pusher spring 30 are often removed, and the removed deposits are attached to the LCD glass 100. This phenomenon is directly connected to the defect of the LCD glass 100, even if the back of the pusher spring 30 of the present invention was treated by the bead blasting method, even if ITO, Cr deposits adhere to the back of the pusher spring 30 well. Since it does not fall, the defective rate of the LCD glass 100 can be significantly reduced.

In addition, the pusher spring 30 is made of inconel, a heat-resistant alloy mainly composed of nickel, which is a temperature (typically 250 ° C.) for depositing the LCD glass 100 in a process such as deposition by the LCD glass holding device. Locally to 250-500 ° C.) so that there is no heat deformation, mainly nickel, about 15% chromium, 6-7% iron, 2.5% titanium, 1% or less aluminum and manganese • Heat-resistant alloy with silicon added. Such Inconel has good heat resistance, does not oxidize even in an oxidizing air flow of 900 ° C. or higher, and is not immersed in an atmosphere containing sulfur. Various properties such as elongation, tensile strength and yield point also do not change to about 600 ℃, and are excellent in mechanical properties, and do not corrode organic matter or salt solution. Therefore, it is used for materials of jet engines, fuel spring materials of nuclear reactors, parts of heaters, protective tubes for pyrometers, filaments of vacuum tubes, and the like. One example is Inconel X, which adds 1% of niobium to the aforementioned composition.

The open bar 40 pushes the pusher spring 30 as shown in FIG. 3 so that the LCD glass 100 is detached from the holder 20 through the open bar hole 22 formed to be spaced apart from the pusher spring hole 21. Configuration.

Meanwhile, the pusher spring 30 according to the present invention may have two types of coupling methods as shown in FIG. 2 according to the thickness of the carrier frame. In the case of TYPE-1, the thickness of the carrier frame is thick and TYPE- 2 is a bonding method when the thickness of the carrier frame is thin.

That is, the TYPE-1 has no choice but to couple the bolt 35 from the top to the bottom because the carrier frame is thick, but the TYPE-2 can couple the bolt 35 from the bottom up because the thickness of the carrier frame is thin. In this case, the fixing stand 20 may further include a hole 25 in which the bent portion 33 of the pusher spring 30 is accommodated and installed as shown in FIG. 2. There is an advantage that the thickness of the configuration can be slim.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will readily occur to those skilled in the art without departing from the spirit and scope of the invention. Therefore, it should be understood that the disclosed embodiments are to be considered in an illustrative rather than a restrictive sense, and that the true scope of the invention is indicated by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof, .

100: LCD glass 10: Carrier
20: holder 21: pusher spring hole
22: open bar hole 24: step
30: pusher spring 31: fixing piece
31a: coupling hole 33: bend
34: LCD glass support portion 34a: bent portion
34b: flat part 40: open bar

Claims (3)

A mount 20 installed on the carrier 10 to be replaced according to the size of the LCD glass 100, and having a stepped portion 24 on which the LCD glass 100 can be mounted;
A pusher spring (30) coupled to the pusher spring hole (21) formed in the holder (20) to press and fix the LCD glass (100);
And an open bar (40) for pushing the pusher spring (30) to detach the LCD glass (100) from the holder (20) through the open bar hole (22) formed to be spaced apart from the pusher spring hole (21).
The pusher spring 30 forms a coupling hole 31a corresponding to the pusher spring hole 21, and a fixing piece 31 coupled to the pusher spring hole 21;
A curved portion 33 extending vertically from one side of the fixing piece 31;
It extends in parallel with the fixing piece 31 from one side of the bent portion 33, one side is formed a bent portion (34a) to be inclined downward to reinforce the elastic force, the end of the flat surface is in contact with the LCD glass 100 LCD glass holding device with a pusher spring with improved durability, characterized in that consisting of an LCD glass support portion 34 having a portion (34b). The method of claim 1,
The pusher spring 30 is provided with a pusher spring with improved durability, characterized in that the surface treatment in the bead blasting on one side of the LCD glass support portion 34 facing the LCD glass 100 to give a roughness. Holding device. The method of claim 1,
The pusher spring 30 is an LCD glass holding device with improved pusher spring, characterized in that made of inconel (inconel) is a heat-resistant alloy mainly made of nickel.
KR1020110038284A 2011-04-25 2011-04-25 Spring pusher for lcd glass holding KR101052010B1 (en)

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Application Number Priority Date Filing Date Title
KR1020110038284A KR101052010B1 (en) 2011-04-25 2011-04-25 Spring pusher for lcd glass holding

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Application Number Priority Date Filing Date Title
KR1020110038284A KR101052010B1 (en) 2011-04-25 2011-04-25 Spring pusher for lcd glass holding

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101222183B1 (en) 2011-04-25 2013-01-14 주식회사 페어텍 Plate spring pusher for LCD glass holding
CN105600447A (en) * 2016-01-26 2016-05-25 深圳市华星光电技术有限公司 Substrate transplanting device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040068113A (en) * 2001-12-27 2004-07-30 도쿄 엘렉트론 가부시키가이샤 Boat for heat treatment and vertical heat treatment equipment
KR20060086133A (en) * 2005-01-26 2006-07-31 삼성전자주식회사 Wafer clamp
KR100719058B1 (en) * 2006-09-07 2007-05-16 에이스하이텍 주식회사 Lcd glass holding open equipment
KR20090109045A (en) * 2008-04-14 2009-10-19 히타치 긴조쿠 가부시키가이샤 Clip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040068113A (en) * 2001-12-27 2004-07-30 도쿄 엘렉트론 가부시키가이샤 Boat for heat treatment and vertical heat treatment equipment
KR20060086133A (en) * 2005-01-26 2006-07-31 삼성전자주식회사 Wafer clamp
KR100719058B1 (en) * 2006-09-07 2007-05-16 에이스하이텍 주식회사 Lcd glass holding open equipment
KR20090109045A (en) * 2008-04-14 2009-10-19 히타치 긴조쿠 가부시키가이샤 Clip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101222183B1 (en) 2011-04-25 2013-01-14 주식회사 페어텍 Plate spring pusher for LCD glass holding
CN105600447A (en) * 2016-01-26 2016-05-25 深圳市华星光电技术有限公司 Substrate transplanting device

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