WO2015010413A1

WO2015010413A1 - Frame sealing glue solidifying device

Info

Publication number: WO2015010413A1
Application number: PCT/CN2013/088634
Authority: WO
Inventors: 姚继开
Original assignee: 京东方科技集团股份有限公司
Priority date: 2013-07-24
Filing date: 2013-12-05
Publication date: 2015-01-29
Also published as: CN103412445B; CN103412445A

Abstract

A frame sealing glue solidifying device comprises a sealing box and an UV light source (2) and an optical fiber (3) arranged in the sealing box. The optical fiber (3) is provided for transmitting at least part of the UV light emitted by the UV light source (2) to the position of to-be cured sealing glue (10) on a substrate (1) placed in the sealing box.

Description

Frame sealant curing device

Embodiments of the invention relate to a frame sealant curing apparatus. Background technique

During the manufacturing process of the LCD screen, two substrates need to be packaged in a box. When the substrate is packaged in a package, it is generally required to apply a sealant on the periphery of a substrate by using a sealant coating device; Two substrates, that is, the process of the box is carried out; finally, the curing of the frame sealant is performed.

When the frame sealant is cured, the frame sealant is generally irradiated with ultraviolet light (UV, Ultraviolet Rays) for a short time to partially cure the sealant, and then placed in a UV-cured sealed case to further cure the sealant. The photosensitive component is finally completely cured in the high temperature furnace to complete the curing of the sealant.

In the prior art, when ultraviolet curing is used to cure the sealant, in order to prevent the ultraviolet light from damaging the organic material on the display device, it is necessary to protect the region where the organic material is disposed, and generally use a mask to block, but different models Products, need to use different specifications of the mask, when packaging different types of products, you need to replace the new mask, each time you replace the mask, you need to open the UV-cured sealed box, so that the very clean sealed box needs to be external The environmental pollution causes the process yield to decrease, and the UV-cured sealed box requires a vacuum environment. Each time the mask is replaced, the sealed box needs to be re-vacuated and the curing time is long. Summary of the invention

An embodiment of the invention provides a frame sealant curing device, comprising a sealed box, and an ultraviolet light source component and an optical fiber disposed in the sealed box, wherein the optical fiber is used to transmit at least ultraviolet light emitted by the ultraviolet light source component Part of the position of the sealant to be cured on the substrate placed in the sealed box.

In one example, the fiber is coupled to the ultraviolet light source component.

In one example, the sealant curing apparatus further includes a switch component disposed between the optical fiber and the ultraviolet light source component, the switch component for controlling whether to transmit light emitted by the ultraviolet light source component to The optical fiber. In one example, the sealant curing device further includes a light collecting member disposed between the ultraviolet light source member and the optical fiber for collecting ultraviolet light emitted from the ultraviolet light source member and transmitting the optical fiber to the optical fiber. on.

In one example, the light collecting component is a convex lens or a concave mirror.

In one example, the sealant curing device further includes a light-extracting member disposed at a light-emitting end of the optical fiber for collecting ultraviolet light output by the optical fiber.

In one example, the light directing component is a convex lens or a concave mirror.

In one example, the number of the optical fibers is several, and the sealant curing device further includes a fixing device for fixing the light-emitting ends of the plurality of optical fibers to have a first layout pattern.

In one example, the first layout pattern of the light exit ends of the plurality of fibers is consistent with the pattern of the sealant to be cured on the substrate.

In one example, the sealant curing apparatus further includes a transmission member for driving the optical fiber to move along the path, the path being consistent with the pattern of the sealant to be cured on the substrate.

In one example, the path is parallel to the plane of the sealant to be cured on the substrate. In one example, the sealant curing apparatus further includes a control unit for adjusting a height of the light exit end of the optical fiber from the package substrate.

In one example, the control component includes: a light sensor disposed corresponding to each of the optical fibers, and a controller coupled to the optical sensor and the optical fiber; the light sensor being reflected by the package substrate Light, sensing and determining location information of the optical fiber relative to the package substrate; the controller controls the optical fiber movement by using the optical fiber position information determined by the optical sensor.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description relate only to the present invention. Some embodiments are not intended to limit the invention.

1 is a partial schematic view of a frame sealant curing device according to an embodiment of the present invention; FIG. 2 is a partial schematic view showing a frame sealant curing device having a light collecting component for collecting ultraviolet light according to an embodiment of the present invention;

3 is a partial schematic view showing a frame sealant curing device having a transmission member according to an embodiment of the present invention; Figure

4 is a schematic structural diagram of a control unit according to an embodiment of the present invention;

5 is a schematic diagram of a layout pattern of a light-emitting end of an optical fiber according to an embodiment of the present invention; FIG. 6 is a schematic diagram of another layout pattern of a light-emitting end of an optical fiber according to an embodiment of the present invention;

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Example embodiments of the present disclosure and their various features and advantageous details are described in more detail with reference to the non-limiting exemplary embodiments illustrated in the accompanying drawings. It should be noted that the features shown in the figures are not necessarily drawn to scale. Descriptions of well-known materials, components, and process technologies are omitted so as not to obscure the example embodiments of the present disclosure. The examples are only intended to facilitate an understanding of the implementation of the embodiments of the present disclosure, and to enable those skilled in the art to practice the example embodiments. Therefore, the examples should not be construed as limiting the scope of the example embodiments of the present disclosure.

One of the technical problems to be solved by the present invention is to provide a frame sealant curing device and a curing method for solving the problem that the yield of the product is decreased and the curing time is long when the frame curing agent is cured by the existing curing device.

First embodiment

A first embodiment of the present invention provides a frame sealant curing device, which comprises a sealed box (not shown), an ultraviolet light source unit 2 disposed in the sealed box, and disposed in the sealed box and in the ultraviolet The optical fiber 3 to which the light source unit 2 is connected is as shown in FIG.

In the present embodiment, the optical fiber 3 is used to transmit at least a portion of the ultraviolet light emitted by the ultraviolet light source unit 2 to the position of the sealing substrate 10 to be cured on the package substrate 1 placed in the sealed box, and the ultraviolet light is encapsulated. The substrate 1 is exposed at a position where the sealant 10 to be cured is disposed, and the sealant at the position is cured. In one example, the ultraviolet light emitted from the ultraviolet light source unit 2 is substantially entirely incident on the optical fiber 3.

In one example, the optical fiber 3 can be directly connected to the ultraviolet light source part 2. In another example, the optical fiber 3 can be coupled to the ultraviolet light source component by any suitable connecting member. In yet another example, The optical fiber 3 can be separated from the power source 2 without a connecting member therebetween. The present invention is not limited to the manner in which the optical fiber 3 is connected to the light source member 2.

In one example, the light source unit 2 is disposed such that the ultraviolet light directly irradiated onto the package substrate 1 without the ultraviolet light incident on the optical fiber 3 from the ultraviolet light emitted from the light source unit 2 is insufficient to cause damage to the organic material of the display device.

Optionally, in the embodiment of the present invention, a switch component (not shown), such as a light valve, may be disposed between the optical fiber 3 and the ultraviolet light source component 2, and the ultraviolet light source is controlled by the opening and closing of the switch component. The light emitted by the component is transmitted to the fiber to flexibly control whether the fiber transmits ultraviolet light or not.

Optionally, in the embodiment of the present invention, a light collecting component 7 is disposed between the ultraviolet light source component 2 and the optical fiber 3, and the ultraviolet light emitted from the ultraviolet light source component 2 is collected and transmitted to the optical fiber 3, and the ultraviolet light emitted from the ultraviolet light source component 2 Light is transmitted to the optical fiber 3 through the light collecting member 7, as shown in Fig. 2, the ultraviolet light source member 2 is projected into the light collecting member 7 so that the ultraviolet light emitted from the ultraviolet light source member 2 is collected by the light collecting member 7 into the optical fiber 3. Light end.

Further alternatively, the light collecting member 7 in the embodiment of the present invention may be a convex lens, a concave mirror or other member capable of collecting light.

Optionally, in the embodiment of the present invention, a light-extracting component (not shown) is connected to the light-emitting end of the optical fiber 3 for concentrating the ultraviolet light outputted by the optical fiber 3, and the light outputted by the optical fiber can be collected together to be solidified on the package substrate. The frame sealant is cured to improve the curing efficiency.

Further, the light collecting member in the embodiment of the present invention may be a convex lens, a concave mirror or other member capable of collecting light.

In the first embodiment of the present invention, the ultraviolet light emitted from the ultraviolet light source component is guided by the optical fiber to the position of the sealant to be cured on the package substrate, and exposed at the position, so that the light emitted by the ultraviolet light source component is not incident on the other Therefore, there is no need to separately provide a mask for shielding, so that there is no need to provide a mask in the frame seal curing device, the manufacturing process is completed, and the product yield reduction caused by replacing the mask is avoided, and the curing time is long. .

Second embodiment

A second embodiment of the present invention provides a frame sealant curing device. As shown in FIG. 3, the frame sealant curing device may have substantially the same configuration as the frame sealant curing device provided by the first embodiment, except for the transmission component. 4 outside. Therefore, repeated description of the same components will be omitted herein, and the same reference numerals will be used to refer to the same components. In the frame sealant curing device of the second embodiment of the present invention, as shown in FIG. 3, for example, a transmission member 4 for driving the optical fiber 3 to move along a path 11 may be further provided. The path 11 is consistent with the shape and size of the sealant 10 to be cured on the package substrate. In one example, the path 11 is parallel to the plane of the package substrate.

In one example, the transmission member 4 of the second embodiment of the present invention is coupled to the optical fiber 3. The transmission component 4 can be moved according to the position of the sealant to be cured on the package substrate 1, so that the track 11 of the transmission component 4 driving the optical fiber 3 is consistent with the wiring of the sealant to be cured on the package substrate, and finally the ultraviolet light emitted by the ultraviolet light source component is obtained. The light is transmitted to the position where the sealant 10 to be cured is located, as shown in FIG.

Alternatively, in the embodiment of the present invention, a control component 6 connected to the optical fiber 3 may be further disposed, and the control component 6 controls the optical fiber 3 to move in a direction perpendicular to the plane of the package substrate 1 to adjust the distance of the optical fiber 3 at one end. The height of the package substrate 1 is such that the optical fiber 3 can guide the ultraviolet light to a position close to the sealant to be cured on the package substrate, thereby further improving the curing efficiency.

In one example, the control member 6 and the transmission member 4 may be formed in one body. Further, the control unit 6 of the embodiment of the present invention includes, as shown in FIG. 4, for example, a light sensor 61 corresponding to each optical fiber 3, and a controller 62 connected to the light sensor 61 and the optical fiber 3; 61. The light reflected by the package substrate 1 senses and determines the position information of the corresponding optical fiber relative to the package substrate 1; the controller 62 determines the position information of the optical fiber 3 relative to the package substrate 1 through the light sensor 61, according to the position information. The fiber 3 moves.

In the embodiment of the present invention, the optical fiber is guided along the preset position of the sealant by the transmission component 4, which can save the use of the optical fiber, and control the height of the optical fiber relative to the package substrate through the control component 6, thereby further improving the curing efficiency.

Third embodiment

A third embodiment of the present invention provides a frame sealant curing device. The frame sealant curing device can have substantially the same configuration as the frame sealant curing device provided by the first embodiment, except for the number of the optical fibers 3 and the fixing member 5. Outside. Therefore, the repeated description of the same components will be omitted herein, and the same reference numerals will be used to refer to the same components.

The frame sealant curing apparatus according to the third embodiment of the present invention may further include a plurality of optical fibers 3 and fixing members 5 for fixing the light-emitting ends of the plurality of optical fibers 3. The fixing member 5 fixes the light-emitting ends of the plurality of optical fibers 3 to have a layout pattern.

In one example, the light-emitting ends of the plurality of optical fibers 3 are fixed by the fixing member 5 to The same spacing is evenly set, as shown in Figure 5.

In the case of adopting the arrangement of the light-emitting ends of the plurality of optical fibers 3 as shown in FIG. 5, when the sealant 10 to be cured on the package substrate 1 needs to be cured, according to the position of the sealant 10 to be cured, the position is controlled. The optical fiber at a position corresponding to the position of the sealant to be cured transmits ultraviolet light, and the ultraviolet light emitted from the ultraviolet light source component is transmitted to the position of the sealant 10 to be cured.

In another example, as shown in FIG. 6, the layout pattern of the light-emitting ends of the plurality of optical fibers 3 may be consistent with the shape of the sealant to be cured on the package substrate. The sealing member 10 may be more than one. The fixing member 5 arranges the light-emitting ends of the plurality of optical fibers 3 to be consistent with the plurality of sealing materials to be cured, as shown in FIG. 10 is generally rectangular in shape, and the layout pattern of the light-emitting ends of the plurality of optical fibers 3 in FIG. 6 is set to be rectangular, and is merely illustrative and not limited. When a plurality of rectangular seal patterns of different frame sizes on the same package substrate are used, the optical fibers corresponding to the position of the sealant on the substrate can be selected to transmit ultraviolet light according to the size of the rectangular pattern of the sealant on the substrate, and multiple The curing of the graphic improves the curing efficiency, and the curing of the sealing frame sealant can be more conveniently performed, thereby saving process time.

Alternatively, in the third embodiment of the present invention, a control unit connected to the optical fiber 3 may be further provided.

6. As shown in FIG. 4, the control unit 6 controls the optical fiber 3 to vertically move in a direction perpendicular to the plane of the package substrate 1, to adjust the height of the light-emitting end of the optical fiber 3 from the package substrate 1, so that the optical fiber 3 can guide the ultraviolet light. The curing efficiency is further improved to be close to the position of the sealant to be cured on the package substrate.

Further alternatively, the control component 6 in the embodiment of the present invention includes, for example:

3 correspondingly disposed light sensor 61, and a controller 62 connected to the light sensor 61 and the optical fiber 3; the light sensor 61 senses and determines the position information of the corresponding optical fiber relative to the package substrate 1 by the light reflected by the package substrate, The reflected light is obtained by reflecting the light emitted by the light sensor through the optical fiber; the controller 62 determines the position information of the optical fiber 3 relative to the package substrate 1 through the light sensor 61, and controls the fiber movement according to actual conditions.

According to the third embodiment of the present invention, the frame sealant curing device has a plurality of optical fibers disposed on the top of the sealed box, and the optical fiber arrangement mode is flexibly set, thereby reducing the curing time and improving the curing efficiency.

The frame sealant curing device provided by the above embodiment of the present invention uses an optical fiber to guide ultraviolet light emitted from the ultraviolet light source component to a set position of the package substrate, and exposes at the set position, so that the light emitted by the ultraviolet light source component does not Scattered to other parts, so there is no need to separately set the mask to cover Therefore, there is no need to provide a mask in the frame seal curing device, the manufacturing process is completed, and the problem of a decrease in product yield and a long curing time due to replacement of the mask is avoided.

Although the present invention has been described in detail with reference to the preferred embodiments of the present invention, it will be apparent to those skilled in the art. Therefore, such modifications or improvements made without departing from the spirit of the invention are intended to be within the scope of the invention.

Claims

claims

1. A frame sealant curing device, including a sealed box, an ultraviolet light source component and an optical fiber disposed in the sealed box, the optical fiber being used to transmit at least part of the ultraviolet light emitted by the ultraviolet light source component to a The position of the frame sealant to be cured on the substrate in the sealed box.

2. The frame sealant curing device according to claim 1, wherein the optical fiber is connected to the ultraviolet light source component.

3. The frame sealant curing device according to claim 1 or 2, further comprising a switch component disposed between the optical fiber and the ultraviolet light source component, the switch component being used to control whether to use the ultraviolet light source component. The emitted light is transmitted to the optical fiber.

4. The frame sealant curing device according to any one of claims 1 to 3, further comprising a light collection component disposed between the ultraviolet light source component and the optical fiber for collecting the light emitted by the ultraviolet light source component. of ultraviolet light and transmitted to the optical fiber.

5. The frame sealant curing device according to claim 4, wherein the light collecting component is a convex lens or a concave mirror.

6. The frame sealant curing device according to any one of claims 1 to 5, further comprising a light export component provided at the light exit end of the optical fiber for condensing the ultraviolet light output by the optical fiber.

7. The frame sealant curing device according to claim 6, wherein the light exporting component is a convex lens or a concave mirror.

8. The frame sealant curing device according to any one of claims 1 to 7, wherein the number of optical fibers is several, and the frame sealant curing device further includes a fixing device for fixing the plurality of optical fibers. The light output end of the optical fiber is fixed to have a first layout pattern.

9. The frame sealant curing device according to claim 8, wherein the first layout pattern of the light output ends of the plurality of optical fibers is consistent with the pattern of the frame sealant to be cured on the substrate.

10. The frame sealing adhesive curing device according to any one of claims 1 to 7, further comprising a transmission component for driving the optical fiber to move along the path, which path is consistent with the path to be cured on the substrate. The pattern of the frame sealant is consistent.

11. The frame sealant curing device according to claim 10, wherein the path is parallel to the plane of the frame sealant to be cured on the substrate.

12. The frame sealant curing device according to any one of claims 1 to 11, further comprising a control unit Component, used to adjust the height of the light exit end of the optical fiber from the packaging substrate.

13. The frame sealant curing device according to claim 12, wherein the control component includes: a light sensor provided corresponding to each optical fiber, and a control unit connected to the light sensor and the optical fiber. The optical sensor senses and determines the position information of the optical fiber relative to the packaging substrate through the light reflected by the packaging substrate; the controller controls the optical fiber position information determined by the optical sensor. Fiber optic mobile.