CN107583839B - Panel baking device - Google Patents
Panel baking device Download PDFInfo
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- CN107583839B CN107583839B CN201711009367.XA CN201711009367A CN107583839B CN 107583839 B CN107583839 B CN 107583839B CN 201711009367 A CN201711009367 A CN 201711009367A CN 107583839 B CN107583839 B CN 107583839B
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- panel
- heating plate
- supporting rod
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- baked
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Abstract
The invention discloses a panel baking device, comprising: the first heating plate is provided with a plurality of openings; the supporting rods are arranged on one side of the first heating plate and used for supporting the panel to be baked, and the positions of the supporting rods correspond to the positions of the openings and can move along the axial direction of the openings; and be used for installing the bracing piece and can carry out the second hot plate that heats to the bracing piece, wherein: the second heating plate heats the supporting rod, and the second heating plate is linked with the supporting rod to enable the supporting rod to move upwards along the axial direction of the opening and penetrate through the opening to support the panel to be baked, which is positioned on one side of the first heating plate; the supporting rod moves along the axial direction of the opening to descend and move out of the opening, and the panel to be baked is borne on the first heating plate. The panel baking device can solve the problem that the heating plate is heated differently in the area where the supporting rod is arranged and other areas, avoid uneven heating of the alignment layer in the baking process, and improve the product quality and yield.
Description
Technical Field
The invention relates to the field of display panel manufacturing, in particular to a panel baking device.
Background
In the prior art, in the production process of the LCD panel, the alignment layer is coated and then is baked and molded, and in order to meet the requirement of taking and placing the sheet in an oven, a supporting rod is required to be designed in the oven as a tool for bearing the panel.
The existing panel baking device has the following technical problems due to unreasonable structural design:
1. the baking device is easy to be heated unevenly in the non-supporting rod area at the position of the supporting rod.
2. Due to the extreme sensitivity of the alignment layer of the LTPS product in the baking forming process, the uneven alignment layer is easily caused by uneven heating, and the alignment layer is easily developed into bad display to influence the quality of the product.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a panel baking device, which can improve the heating environment and solve the problem that the heating plate is heated differently in the area where the supporting rod is arranged and other areas; uneven heating of the alignment layer in the baking process is avoided, and the product quality and yield are improved.
In order to solve the above technical problem, an embodiment of the present invention provides a panel baking apparatus, including: the first heating plate is used for heating the panel, and a plurality of openings are formed in the first heating plate; the supporting rods are arranged on one side of the first heating plate and used for supporting the panel to be baked, and the positions of the supporting rods correspond to the positions of the openings and can move along the axial direction of the openings; and be used for installing the bracing piece and can carry out the second hot plate that heats to the bracing piece, wherein: the second heating plate heats the supporting rod, and the second heating plate is linked with the supporting rod to enable the supporting rod to move upwards along the axial direction of the opening and penetrate through the opening to support the panel to be baked, which is positioned on one side of the first heating plate; the supporting rod moves along the axial direction of the opening, descends and moves out of the opening, and the panel to be baked is supported on the first heating plate; further comprising: a climate control device for regulating the ambient temperature of a gas within a panel baking apparatus oven, the climate control device comprising at least: and an air inlet pipeline arranged in the baking device furnace is used for introducing cold air into the furnace through the air inlet pipeline, so that the temperature of the Pin contact position in the furnace is lower, and the temperature rise is slower.
Wherein, the air outlet of the air inlet pipeline is positioned on the space area of one side of the first heating plate bearing the panel to be baked.
Wherein, the support rod vertically rises or vertically falls along the axial direction of the opening.
Wherein, the number that the bracing piece set up and the quantity one-to-one that the trompil set up.
Wherein, many spinal branchs vaulting pole equidistance evenly sets up.
Wherein, the trompil equidistance on first hot plate evenly sets up.
The panel baking device provided by the invention has the following beneficial effects:
the first heating plate and the second heating plate heat the supporting rod, and the second heating plate is linked with the supporting rod to enable the supporting rod to move upwards along the axial direction of the opening and penetrate through the opening to support the panel to be baked, which is positioned on one side of the first heating plate; the bracing piece moves the decline and shifts out the trompil along the axis direction of trompil, treats that the baking panel bears on first hot plate, makes at the heating process, and the second hot plate can directly contact with the bracing piece, makes the temperature of bracing piece can carry out independent control, improves the heating environment, solves the hot plate and is setting up the bracing piece region and other regional different situations that are heated.
Second, the baking equipment stove sets up temperature adjusting device in, can adjust the temperature of panel place heating environment gas environment, guarantees that the heating situation that the hot plate different positions received is unanimous, further improves the heating environment, avoids taking place to join in marriage the layer and is heated unevenly at the baking process, promotes the product quality.
Thirdly, the structure is simplified, and the maintenance is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a panel baking apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, there is shown a first embodiment of the panel baking apparatus of the present invention.
The panel baking apparatus in this embodiment includes: the first heating plate 1 is provided with a plurality of openings 1a, 1b, 1c, 1d, 1e and 1f which can be controlled to be opened or closed on the first heating plate 1.
The first heating plate 1 is a flat plate having a heating function and is installed in the oven. The openings 1a, 1b, 1c, 1d, 1e, and 1f in this embodiment are through holes, and the openings 1a, 1b, 1c, 1d, 1e, and 1f are used for the support rods to pass through.
Preferably, the open holes 1a, 1b, 1c, 1d, 1e, 1f on the first heating plate 1 are uniformly arranged at equal intervals, so that the supporting rods penetrating through the same can be ensured to be uniform at the same time, and uniform support can be provided for the panel to be baked.
It can be understood that: the number of the holes, the positions of the holes and the size of the holes are not limited to the above embodiment, and the holes can be adjusted according to the actual control condition without affecting the actual achievable effect.
Further, the support rods are disposed at one side of the first heating plate 1, as shown in the figure, and the support rods are used to support the panel to be baked, and in this embodiment, the number of the support rods is 6, which are 2a, 2b, 2c, 2d, 2e, and 2 f. The number of the support rods in this embodiment corresponds to the number of the openings, that is, the support rods 2a, 2b, 2c, 2d, 2e, and 2f are equally spaced. For example: the position that bracing piece 2a set up corresponds the position of trompil 1a, and the position that bracing piece 2b set up corresponds the position of trompil 1b, and so on. The supporting density of the supporting rod can be increased to the maximum extent.
The support rods 2a, 2b, 2c, 2d, 2e and 2f in this embodiment are round rods or square rods, and have the same structure. Further, the support rods 2a, 2b, 2c, 2d, 2e, and 2f are sequentially fixed on the second heating plate 3, and the second heating plate 3 is a flat plate having a heating function and is fastened below the support rods 2a, 2b, 2c, 2d, 2e, and 2 f. The second heating plate 3 functions as: the linkage supporting rod is used for vertically ascending or vertically descending, the heating function of the supporting rod is kept, and the temperature of the supporting rod is equal to that of the first heating plate 1 in real time.
The ascending or descending process of the support rod 2a is described below by way of example. The position that bracing piece 2a set up corresponds with the position of trompil 1a and can move along the axis direction of trompil 1a, and it can be understood that all bracing pieces also are the operation mode of synchronous rising or synchronous decline, so can guarantee to support accurate nature and the synchronism of operation.
The movement of the support bar 2a in the axial direction of the opening 1a in this embodiment is a vertically ascending movement and a vertically descending movement. During specific implementation, all the support rods 2a, 2b, 2c, 2d, 2e and 2f rise to penetrate through corresponding openings, so that the glass panel on the top side of the first heating plate 1 as shown in the figure can be jacked up, and further, a manipulator can conveniently operate the glass panel in an oven. And when needs toasted the panel, whole bracing piece 2a, 2b, 2c, 2d, 2e, 2f descend, and the panel directly falls on first hot plate 1, and first hot plate 1 toasts the panel evenly. In this process, the second heating plate 3 can heat all the support rods, so that the temperatures of the support rods 2a, 2b, 2c, 2d, 2e and 2f are equal to the temperature of the first heating plate 1 in real time, thereby improving the heating environment and solving the problem that the first heating plate 1 is heated differently in the region where the support rods are arranged and other regions.
When the panel baking device in this embodiment is specifically implemented, the openings 1a, 1b, 1c, 1d, 1e, and 1f are controlled to be opened synchronously, the support rods 2a, 2b, 2c, 2d, 2e, and 2f respectively move synchronously along the axial direction corresponding to the openings and rise and pass through the openings, and the support rods support and jack up the panel to be baked on one side of the first heating plate 1 after passing through the openings, so that the manipulator can operate the glass panel in the oven conveniently. And when the panel needs to be baked, the support rods 2a, 2b, 2c, 2d, 2e and 2f synchronously move down and move out of the openings along the axial direction of the corresponding openings respectively, the openings are controlled to be closed, and the panel to be baked is directly borne by the flat first heating plate.
In another embodiment of the panel baking apparatus of the present invention, the panel baking apparatus further comprises an air temperature adjusting device 4, the air temperature adjusting device 4 at least comprising: and the air inlet pipeline 41 is arranged in the oven of the baking device, and the adjusted air with different temperatures enters the oven of the baking device through the air inlet pipeline 41 and adjusts the ambient temperature of the air in the oven.
Wherein: the air temperature adjusting device 4 functions as: air with specific temperature is continuously introduced into the furnace, and the environment of the gas temperature in the furnace is adjusted, so that the heating state of the panel is consistent at the supporting point positions of the first heating plate 1 and the supporting rods, and uniform baking is provided.
Referring to table 1 below, the influence of the introduction of cold air into the air temperature adjusting device 4 on the yield of the panel is increased. During production, cold air is introduced into the furnace, and the results are as follows:
TABLE 1
| Production conditions | Production quantity | Number of Pin Mura | PinMura Ratio |
| Introducing cold air | 10229 | 56 | 0.54％ |
| Without introducing cold air | 12334 | 247 | 2.0％ |
Therefore, when cold air is introduced, the Pin Mura Ratio is obviously reduced, which shows that the temperature of the Pin contact position is lower, the temperature rise is slower, and unexpected technical effects can be brought by adding the air temperature adjusting device 4.
Preferably, the air outlet 41a of the air inlet pipeline 41 is located in the space area of the first heating plate 1 on the side bearing the panel to be baked, so that a certain heat preservation effect is achieved.
The panel baking device provided by the invention has the following beneficial effects:
the first heating plate and the second heating plate heat the supporting rod, and the second heating plate is linked with the supporting rod to enable the supporting rod to move upwards along the axial direction of the opening and penetrate through the opening to support the panel to be baked, which is positioned on one side of the first heating plate; the bracing piece moves the decline and shifts out the trompil along the axis direction of trompil, treats that the baking panel bears on first hot plate, makes at the heating process, and the second hot plate can directly contact with the bracing piece, makes the temperature of bracing piece can carry out independent control, improves the heating environment, solves the hot plate and is setting up the bracing piece region and other regional different situations that are heated.
Second, the baking equipment stove sets up temperature adjusting device in, can adjust the temperature of panel place heating environment gas environment, guarantees that the heating situation that the hot plate different positions received is unanimous, further improves the heating environment, avoids taking place to join in marriage the layer and is heated unevenly at the baking process, promotes the product quality.
Thirdly, the structure is simplified, and the maintenance is convenient.
Claims (6)
1. A panel toasting apparatus, comprising:
the first heating plate is used for heating the panel, and a plurality of openings are formed in the first heating plate;
the supporting rods are arranged on one side of the first heating plate and used for supporting a panel to be baked, and the positions of the supporting rods correspond to the positions of the holes and can move along the axial direction of the holes; and
be used for installing the bracing piece just can be right the bracing piece carries out the second hot plate that heats, wherein:
the second heating plate heats the supporting rod, and the second heating plate is linked with the supporting rod to enable the supporting rod to move upwards along the axial direction of the opening and penetrate through the opening to support the panel to be baked, which is positioned on one side of the first heating plate; the supporting rod moves along the axial direction of the opening to descend and move out of the opening, and the panel to be baked is borne on the first heating plate;
further comprising: an air temperature adjustment device for adjusting the temperature of a gaseous environment within a panel baking apparatus oven, the air temperature adjustment device comprising at least: and an air inlet pipeline arranged in the baking device furnace is used for introducing cold air into the furnace through the air inlet pipeline, so that the temperature of the Pin contact position in the furnace is lower, and the temperature rise is slower.
2. The panel toasting apparatus of claim 1 wherein the air outlet of said air inlet duct is located in a region of the space on the side of said first plate carrying the panel to be toasted.
3. The panel toasting apparatus of claim 1 wherein the support bar is vertically raised or lowered in the direction of the axis of the opening.
4. The panel toasting apparatus of claim 3 wherein the number of support bars provided corresponds one-to-one to the number of openings provided.
5. The panel toasting apparatus of claim 4 wherein the plurality of support bars are equally spaced.
6. The panel toasting apparatus of claim 5 wherein said openings in the first heating plate are equally spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009367.XA CN107583839B (en) | 2017-10-25 | 2017-10-25 | Panel baking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009367.XA CN107583839B (en) | 2017-10-25 | 2017-10-25 | Panel baking device |
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| Publication Number | Publication Date |
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| CN107583839A CN107583839A (en) | 2018-01-16 |
| CN107583839B true CN107583839B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711009367.XA Active CN107583839B (en) | 2017-10-25 | 2017-10-25 | Panel baking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115304256A (en) * | 2022-06-23 | 2022-11-08 | 信利（惠州）智能显示有限公司 | Method for improving mura of display screen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280518A (en) * | 2014-05-30 | 2016-01-27 | 盛美半导体设备（上海）有限公司 | Semiconductor substrate heat treatment device |
| CN106054541A (en) * | 2016-08-12 | 2016-10-26 | 武汉华星光电技术有限公司 | Pre-baking apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4486410B2 (en) * | 2004-05-24 | 2010-06-23 | 東京エレクトロン株式会社 | Heat treatment apparatus and heat treatment method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280518A (en) * | 2014-05-30 | 2016-01-27 | 盛美半导体设备（上海）有限公司 | Semiconductor substrate heat treatment device |
| CN106054541A (en) * | 2016-08-12 | 2016-10-26 | 武汉华星光电技术有限公司 | Pre-baking apparatus |
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| CN107583839A (en) | 2018-01-16 |
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