KR101811783B1 - Display panel heat processing apparatus constructed to prevent damage of heating member - Google Patents

Display panel heat processing apparatus constructed to prevent damage of heating member Download PDF

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Publication number
KR101811783B1
KR101811783B1 KR1020150154197A KR20150154197A KR101811783B1 KR 101811783 B1 KR101811783 B1 KR 101811783B1 KR 1020150154197 A KR1020150154197 A KR 1020150154197A KR 20150154197 A KR20150154197 A KR 20150154197A KR 101811783 B1 KR101811783 B1 KR 101811783B1
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KR
South Korea
Prior art keywords
heating member
heating
chamber
heat treatment
display panel
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Application number
KR1020150154197A
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Korean (ko)
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KR20170052774A (en
Inventor
김민형
정우열
박상범
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(주)예스티
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Priority to KR1020150154197A priority Critical patent/KR101811783B1/en
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Publication of KR101811783B1 publication Critical patent/KR101811783B1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Furnace Details (AREA)

Abstract

A display panel heat treatment apparatus configured to prevent breakage of a heating member according to the present invention includes a chamber member constituting an entire outer appearance of a heat treatment apparatus, a panel support member provided inside the chamber member, Wherein the heating member is provided at the upper and lower portions of the chamber member, and a center member of the chamber member is provided with a heating member supporting block for supporting the heating member, And is supported by the support block.
According to the present invention, it is possible to prevent breakage of the heating member provided inside the heat treatment chamber and to prevent contamination and damage of the display panel.
Further, the replacement and maintenance work of the heating member provided inside the heat treatment chamber is facilitated, a separate space to be secured for replacing the heating member is not needed, and the temperature uniformity inside the heat treatment chamber can be improved.

Description

DISPLAY PANEL HEAT PROCESSING APPARATUS CONSTRUCTED TO PREVENT DAMAGE OF HEATING MEMBER < RTI ID = 0.0 >

The present invention relates to an apparatus for heat-treating a display panel, and more particularly, to a method of manufacturing a display panel by dividing a length of a heating member for heating a display panel into approximately half of a width of a heat- And to facilitate replacement and maintenance of the display panel.

2. Description of the Related Art [0002] Recently, display panel technology has been dramatically developed due to the rapid development and spread of electric and electronic devices such as a computer or a TV.

In view of the fact that such a display panel is rapidly becoming larger in size and higher in resolution, the role of the manufacturing apparatus is becoming more important.

Generally, in order to manufacture a display panel, a photoresist is applied to form a pattern on a panel, and the display panel is heated to cure the photoresist film.

At this time, in order to form a precise pattern on the display panel, an operation of raising the temperature uniformly over the entire area of the display panel is required.

If a uniform temperature rise is not achieved over the entire area of the display panel, a temperature deviation occurs in the pattern or a thermal imbalance occurs in the display panel itself, resulting in local shrinkage or expansion of the panel. Is an obstacle to forming a uniform pattern on the display panel.

As a prior art related to the heat treatment apparatus for the display panel, there is a Korean registered patent (Registration No. 10-1464662, name of the invention: an improved boat, and a substrate heat treatment chamber and a substrate heat treatment apparatus having the same).

1, a heat treatment chamber 100 is provided on a frame 110, and a door part 140 is provided in front of a heat treatment chamber 100. [

Here, a heating member 120 constituted by a bar lamp is installed across the inside of the heat treatment chamber 100.

When the heat treatment process is performed on the display panel in the state where the heating member is installed as described above, the temperature of the heating member is rapidly raised and lowered. In the process of repeatedly performing the heat treatment process, Cooling is also repeated.

In this process, the heating member repeatedly inflates and shrinks finely, whereby the glass tube constituting the heating member is locally broken.

In the case where the heating member is broken as described above, there is a problem that the minute breakage generated from the heating member drops onto the surface of the display panel to be heat treated to contaminate or finely damage the surface.

In addition, when the heating member is disposed across the entire heat treatment chamber as described above, a space for withdrawing the heating member from the heat treatment chamber for replacement of the heating member must be secured. Which is a cause of deteriorating the space efficiency of the work site.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a display panel in which a length of a heating member for heating a display panel is divided into approximately half of the entire length of the heat treatment chamber and disposed at the upper and lower portions of the heat treatment chamber And to prevent deflection of the heating member.

It is another object of the present invention to provide a heat treatment apparatus for a display panel which is provided so as to be able to flow to some extent, thereby preventing breakage of the heating member due to thermal expansion and contraction.

It is still another object of the present invention to provide a display panel heat treatment apparatus which is configured to facilitate replacement and maintenance of a heating member provided in a heat treatment chamber.

It is still another object of the present invention to provide a display panel heat treatment apparatus configured to improve temperature uniformity inside a heat treatment chamber.

According to an aspect of the present invention, there is provided a display panel heat treatment apparatus configured to prevent breakage of a heating member according to the present invention. The display panel heat treatment apparatus includes a chamber member forming an overall appearance of the heat treatment apparatus, a panel support member provided inside the chamber member, And a heating member disposed inside the chamber member, wherein the heating member is installed at the top and bottom of the chamber member, and at the center of the chamber member, a heating member supporting block for supporting the heating member horizontally moves the chamber member And the heating member is disposed in a direction perpendicular to an arrangement direction of the heating member supporting block and is supported by the heating member supporting block.

Preferably, the heating member is provided such that two heating members are provided across the width of the chamber member, the two heating members being one end supported by the side wall of the chamber member, and the other end of the heating member supporting block .

The heating member supporting block includes a center fixing portion and a pair of heating member mounting portions standing up from the fixing portion, and the pair of heating member mounting portions are spaced apart from each other at predetermined intervals .

The heating member mounting portion is formed with an insertion opening for insertion of the heating member, and an end of the heating member is inserted into the insertion opening.

In addition, the heating member may include an inner support tube, a heat line disposed outside the inner support tube, and an outer protection tube disposed outside the heat ray tube, and a stopper member may be disposed at an end of the outer protection tube.

Preferably, in the heating member, the hot wire is wound and arranged at predetermined pitch intervals outside the inner support tube, and is wound around the heating member at different pitch intervals according to the longitudinal direction of the heating member.

The temperature sensing member may be disposed along the longitudinal direction of the heating member.

Here, the stopper member may be formed of a ceramic material, and a vent may be formed in the stopper member.

Preferably, the heating member is movably supported on the heating member support block.

According to the present invention, it is possible to prevent deflection and breakage of a heating member provided inside the heat treatment chamber, and to prevent contamination and damage of the display panel.

Further, replacement and maintenance work of the heating member provided inside the heat treatment chamber is facilitated, and a separate space to be secured for replacing the heating member is not required.

Further, the temperature uniformity inside the heat treatment chamber can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
1 is a perspective view of a conventional display panel heat treatment apparatus,
2 is a perspective view of a display panel heat treatment apparatus configured to prevent breakage of a heating member according to the present invention,
3 is another perspective view of the heat treatment apparatus,
4 is an internal cross-sectional perspective view of the heat treatment apparatus,
5 is a cross-sectional view of a heating member supporting block provided inside the heat treatment apparatus in a state in which an end portion of the heating member is supported,
6 is a cross-sectional perspective view of a heating member installed inside the heat treatment apparatus,
7 is a cross-sectional view of the fixing block with the heating member mounted thereon,
8 is a perspective view of a chamber member wall portion provided with the heating member.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

FIG. 2 is a perspective view of a display panel heat treatment apparatus configured to prevent breakage of a heating member according to the present invention, FIG. 3 is another perspective view of the heat treatment apparatus, FIG. 4 is an internal cross- FIG. 6 is a cross-sectional perspective view of a heating member installed inside the heat treatment apparatus, and FIG. 7 is a cross-sectional view of the heating member supported by the heating Fig. 8 is a perspective view of a chamber member wall portion provided with the heating member. Fig.

2 to 8, a display panel heat treatment apparatus configured to prevent breakage of a heating member according to the present invention includes a chamber member 10 constituting the entire outer appearance of the heat treatment apparatus, And a heating member 30 disposed inside the chamber member 10. The heating member 30 is installed at upper and lower portions of the chamber member 10, A heating member supporting block 50 for supporting the heating member 30 is installed across the chamber member 10 at a central portion of the chamber member 10, And is disposed in a direction perpendicular to the direction in which the block 50 is installed and is supported by the heating member support block 50. [

The chamber member 10 is formed in a hexahedron shape to accommodate the display panel 200 and heat-treat the inside of the chamber member 10 while forming an outer appearance of the heat treatment apparatus according to the present invention.

The chamber member 10 is formed of a metal wire and a metal panel. On one side of the chamber member 10, control switches for controlling various components of the heat treatment apparatus according to the present invention are installed.

A door member (not shown) is disposed in front of the chamber member 10 so that the display panel 200 can be inserted into and discharged from the chamber member 10 in a state where the door member is opened.

A panel supporting member 40 for supporting the display panel 200 to be subjected to the heat treatment is installed across the chamber member 10 in the chamber member 10.

The panel support member 40 is formed in a rectilinear bar shape and installed in a plurality of rows in the height direction in the inner space of the chamber member 10 so that the display panel 200 carried from the outside is supported on the panel support member 40 As shown in FIG.

The heating member 30 installed at the upper and lower portions of the chamber member 10 can be heated in a state where a plurality of the display panels 200 are accommodated in the chamber member 10 in a hexahedron shape in the height direction And the display panel 100 is heated.

That is, the heating member 30 is installed to face the chamber member 10 at an upper portion and a lower portion thereof, and is installed across the chamber member 10.

At this time, the heating member 30 is installed in the chamber member 10 in a direction perpendicular to the direction in which the panel supporting member 40 is placed.

The heating member supporting block 50 is installed inside the chamber member 10 and the heating member supporting block 50 is for supporting the heating member 30.

4, the heating member supporting block 50 is installed on the top and bottom surfaces of the chamber member 10 at the center of the chamber member 10, .

As shown in FIG. 5, the heating member supporting block 50 has a rectangular cross section, and a space is formed in the heating member supporting block 50 so that the end portion of the heating member 30 is disposed in the space portion.

That is, the heating member supporting block 50 includes a central fixing portion 54 and a pair of heating member mounting portions 52 standing up from the fixing portion 54 upward.

The fixing portion 54 is a portion fixed to the ceiling surface or the bottom surface of the chamber member 10 and the pair of heating member mounting portions 52 are spaced apart from each other by predetermined intervals.

An insertion opening 56 for inserting an end of the heating member 30 is formed in the heating member mounting portion 52 so that the end of the heating member 30 is inserted into the insertion opening 56 State.

The heating member 30 is arranged such that two heating members are disposed across the chamber member 10 in a direction perpendicular to the direction in which the heating member support block 50 is disposed, And the other end is mounted to the heating member supporting block 50. [

That is, in the state where the end portion of the heating member 30 is mounted on the heating member supporting block 50 disposed across the chamber member 10 at the center portion of the chamber member 10, Is mounted on the side wall of the chamber member (10).

The heating member 30 is formed to be approximately half the entire width of the chamber member 10 so that the other end of the heating member 30 is supported by the heating member supporting block 50).

Thus, the length of the heating member is not formed across the entire length of the chamber member 10, and both ends of the heating member 30, which is formed to be approximately half the width of the chamber member 10, 10 and the heating member supporting block 50 so that the heat generated by the heating member 30 prevents the middle portion sagging due to the self weight of the heating member 30. [

Therefore, two heating members 30 are disposed across the chamber member 10 with respect to the entire width of the chamber member 10 (the width in the direction perpendicular to the direction in which the panel support member is placed).

At this time, the end of the heating member 30 is not completely fixed to the heating member supporting block 50, but is mounted to allow a certain degree of flow.

That is, the end of the heating member 30 is inserted into the insertion opening 56 in a state in which the insertion opening 56 of the heating member supporting block 50 has a width slightly larger than the diameter of the heating member 30 The heating member 30 is in a state in which the heating member 30 can be slightly moved relative to the heating member supporting block 50. [

Therefore, even when the heating member 30 is rapidly expanded or contracted during rapid heating and cooling, the heating member 30 is configured to be free from binding force and to be expanded and contracted freely.

Therefore, when the heating member 30 is fixedly installed inside the chamber member, pressure is applied to the heating member 30 by the binding force acting in accordance with the expansion and contraction of the heating member to prevent the heating member from being damaged .

The heating member 30 includes a heating wire 34 and an inner supporting pipe 32 for supporting the heating wire 34 and an outer protecting pipe 36 disposed outside the heating wire.

The heating wire 34 is an electric heating wire that generates heat by the supply of electric energy and the end portion 35 of the heating wire 34 protrudes to one end of the heating member 30 in a state of being wound around the outside of the inner supporting pipe 32 .

The inner support tube 32 may be made of an insulator such as quartz or the like, and is formed into a hollow cylindrical shape having a space therein.

An outer protective pipe 36 may be formed of quartz or the like on the outer side of the hot wire 34. An opening of the outer protective pipe 36 where the end 35 of the hot wire 34 protrudes (38) is arranged to close the end of the heating member (30).

The stopper member 38 is formed of a ceramic material. The stopper member 38 has a temperature sensor inlet 38-1 and a vent hole 38-2 for passing the temperature sensor.

A temperature sensing sensor (not shown) is inserted through the temperature sensor insertion port 38-1 so as to be disposed in the longitudinal direction of the heating member 30 inside the internal support pipe 32.

 In addition, the heated air inside the heating member 30 can be discharged to the outside through the air vent 38-2.

On the other hand, the hot wire 34 is wound around the inner support tube 32 at a wide pitch interval from the heating member 30 to a predetermined portion (low-temperature region 37) near the stopper member 38 , And the heat ray (34) is wound around the inner support tube (32) at a narrow pitch interval in the remaining area (heating area: 33).

The low heating region 37 near the stopper member 38 is an edge region where the display panel 200 to be heat treated is not disposed and heat generated in the heating region 33 is transmitted to the low- So that some heat is also generated through the low-temperature region 37 so as to minimize loss.

At this time, the pitch interval of the hot wire wound around the low-temperature zone 37 is set to be wider than the pitch interval of the hot wire wound around the heating zone 33, so that stronger heat is generated in the heating zone 33 .

As described above, since the entire width of the chamber member 10 is arranged across the two heating members 30, for example, the heating member 30 on the left side and the heating member 30 on the right side in FIGS. 2 and 3 May be set to be the same temperature, but they may be set to be different from each other.

Thus, the set temperatures of the left heating member 30 and the right heating member 30 can be individually set for each region in one heat treatment chamber.

The end portion of the heating member 30 in which the stopper member 38 is disposed is installed in the wall portion of the chamber member 10 by the external fixed block 70 and the internal fixed block 75.

The external fixed block 70 is formed in a rectangular shape as a whole and has a recess 76 formed therein for receiving the stopper member 38. The recessed portion 76 is provided with an opening 78 are formed.

The inner fixed block 75 includes a rectangular base portion 75-1 and a guide portion 75-2 protruding from the base portion 75-1 in contact with the external fixed block 70 .

The base portion 75-1 of the inner fixed block 75 is also provided with a recess 74 for receiving the stopper member 38. The guide portion 75-2 and the base portion 75- 1, an opening 73 for passing the heating member 30 is formed.

The stopper member 38 fitted to the end of the heating member 30 is sandwiched between the concave portion 76 of the external fixed block 70 and the concave portion 74 of the internal fixed block 75, Respectively.

At this time, the stopper member 38 may be installed to be somewhat flowable between the recessed portion 76 of the external fixed block 70 and the recessed portion 74 of the internal fixed block 75.

Thus, even when the heating member 30 is slightly inflated by the heat generated by the heating member 30, the stopper member 38 can be slightly moved in the space between the recesses 74 and 76 So as to prevent the heating member 30 from being damaged by a reaction force acting by thermal expansion.

A fixed block supporting member 60 is provided on the wall portion of the chamber member 10 to support the guide portion 75-2 of the inner fixing block 75. [

While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

10: chamber member
30: heating member
33: heating zone
37: low heating area
38: Plug member
50: heating member supporting block
70: fixed block

Claims (9)

As a display panel heat treatment apparatus,
A chamber member constituting an overall appearance of the heat treatment apparatus;
A panel support member installed inside the chamber member;
And a heating member disposed inside the chamber member,
Wherein the heating member is installed at an upper portion and a lower portion of the chamber member,
And a heating member supporting block for supporting the heating member is installed across the chamber member at a center portion of the chamber member,
Wherein the heating member is disposed in a direction perpendicular to an arrangement direction of the heating member support block and supported by the heating member support block,
Wherein the heating member has two heating members installed across the width of the chamber member,
The two heating members being one end supported by the side wall of the chamber member and the other end supported by the heating member supporting block;
Wherein the heating member supporting block includes a fixed portion at the center and a pair of heating member mounting portions standing up from the fixing portion,
Wherein the pair of heating member mounts are spaced apart from each other by a predetermined interval;
Wherein the heating member mounting portion is formed with an insertion opening for insertion of the heating member, the width of the insertion opening is formed to be larger than the diameter of the heating member so that the end portion of the heating member is inserted into the insertion opening, Installed so as to be able to be installed;
Wherein the heating member includes an inner support tube, a heat line disposed outside the inner support tube, and an outer protection tube disposed outside the heat ray, wherein a stopper member is disposed at an end of the outer protective tube, Wherein the stopper member is sandwiched between the concave portion of the external fixed block and the concave portion of the internal fixed block to sandwich the external fixed block and the internal fixed block provided on the side wall, Wherein the heating member is not damaged by a reaction force exerted by the heating member. delete delete delete delete The method according to claim 1,
Wherein the heating member is arranged such that the heating wires are wound at predetermined pitch intervals outside the inner supporting tube and wound around the heating member at pitch intervals different from each other along the longitudinal direction of the heating member, The display panel heat treatment apparatus comprising: The method according to claim 6,
Wherein the heating member is arranged such that a temperature sensing member is disposed along the longitudinal direction of the heating member. The method according to claim 1,
Wherein the stopper member is formed of a ceramic material, and a vent is formed in the stopper member to prevent breakage of the heating member. delete
KR1020150154197A 2015-11-04 2015-11-04 Display panel heat processing apparatus constructed to prevent damage of heating member KR101811783B1 (en)

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KR1020150154197A KR101811783B1 (en) 2015-11-04 2015-11-04 Display panel heat processing apparatus constructed to prevent damage of heating member

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Application Number Priority Date Filing Date Title
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KR101811783B1 true KR101811783B1 (en) 2018-01-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101391304B1 (en) * 2012-11-06 2014-05-02 주식회사 제우스 Cable for high temperature and heat treatment device which used this
KR101462616B1 (en) 2013-10-25 2014-11-14 주식회사 이엔씨 테크놀로지 Heat treatment unit of substrate for flat panel display
KR101462460B1 (en) * 2013-07-24 2014-11-18 주식회사 나래나노텍 Supporting Device for Divided Window Plates of Chamber for Heat Treatment of Substrates, and Chamber for Heat Treatment of Substrates and Heat Treatment Apparatus of Substrate Having the Same
KR101464662B1 (en) 2013-07-24 2014-11-25 주식회사 나래나노텍 Improved Boat, and Heat Treatment Chamber and Apparatus of Substrate Having the Same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101391304B1 (en) * 2012-11-06 2014-05-02 주식회사 제우스 Cable for high temperature and heat treatment device which used this
KR101462460B1 (en) * 2013-07-24 2014-11-18 주식회사 나래나노텍 Supporting Device for Divided Window Plates of Chamber for Heat Treatment of Substrates, and Chamber for Heat Treatment of Substrates and Heat Treatment Apparatus of Substrate Having the Same
KR101464662B1 (en) 2013-07-24 2014-11-25 주식회사 나래나노텍 Improved Boat, and Heat Treatment Chamber and Apparatus of Substrate Having the Same
KR101462616B1 (en) 2013-10-25 2014-11-14 주식회사 이엔씨 테크놀로지 Heat treatment unit of substrate for flat panel display

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