CN210058872U - Light curing device - Google Patents

Light curing device Download PDF

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Publication number
CN210058872U
CN210058872U CN201920719132.8U CN201920719132U CN210058872U CN 210058872 U CN210058872 U CN 210058872U CN 201920719132 U CN201920719132 U CN 201920719132U CN 210058872 U CN210058872 U CN 210058872U
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CN
China
Prior art keywords
light
plate
display panel
transmitting plate
disposed
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Active
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CN201920719132.8U
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Chinese (zh)
Inventor
陈云亮
蒋轻侯
李俊廷
蒋程
向欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu CEC Panda Display Technology Co Ltd
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Chengdu CEC Panda Display Technology Co Ltd
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Priority to CN201920719132.8U priority Critical patent/CN210058872U/en
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Abstract

The utility model provides a light curing device, this light curing device includes: the light source, the light-transmitting plate and the workbench, wherein the light-transmitting plate is arranged between the light source and the workbench, and a scattering structure is arranged on the light-transmitting plate; the light that sends at the light source is through the in-process of light-passing board, can take place the refraction in scattering structure department to the propagation direction of refraction light is different with the light propagation direction who is jetted out by the light-passing board when not setting up scattering structure, and then breaks up light, and light shines on display panel after being broken up, and then has improved the light homogeneity of shining on display panel, and the frame sealing glue on the display panel can solidify simultaneously and finish, has improved the solidification effect of frame sealing glue.

Description

Light curing device
Technical Field
The utility model relates to a show technical field, especially relate to a photocuring device.
Background
The liquid crystal display panel comprises an array substrate, a liquid crystal layer and an opposite substrate which are arranged in a laminated mode; because the liquid crystal layer has fluidity, frame sealing glue is often required to be arranged between the array substrate and the cover plate and surrounds the liquid crystal layer to prevent the liquid crystal layer from flowing out from the space between the array substrate and the cover plate; the frame sealing glue is generally a photosensitive glue, so how to cure the photosensitive glue becomes a hot point of research.
In the prior art, the frame sealing glue is usually cured by a light curing device, wherein the light curing device comprises a plurality of illuminating lamps arranged at intervals; when the display panel with the frame sealing glue is used, the display panel with the frame sealing glue is arranged below the illuminating lamp, so that the illuminating lamp emits light, the light emitted by the illuminating lamp irradiates on the display panel, and the frame sealing glue on the display panel is solidified.
However, when the display panel is irradiated by the illuminating lamp, the light irradiated on the display panel is not uniform, which easily causes the uncured or incompletely cured part of the frame sealing adhesive, and the curing effect of the frame sealing adhesive is not good.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a light curing device to it is inhomogeneous to solve the light that shines on display panel, leads to the frame of partial frame sealing glue not solidify or not complete solidification easily, the not good technical problem of curing effect of frame sealing glue.
An embodiment of the utility model provides a photocuring device, include: light source, light-passing board and workstation, the light-passing board sets up the light source with between the workstation, be provided with scattering structure on the light-passing board, scattering structure is used for changing the propagation direction of light, makes light even by the light-passing board jets out.
In the light curing device, preferably, the transparent plate includes a light exit surface facing the worktable, and the scattering structure includes a plurality of concave portions disposed on the light exit surface.
In the light curing device, the cross section of the concave part is preferably triangular in a direction perpendicular to the light-transmitting plate.
In the light curing device, the concave portion is preferably conical or pyramid-shaped.
In the light curing device, preferably, the light-transmitting plate is provided with transparent particles, the light-transmitting plate has a light incident surface facing the light source, and the transparent particles are disposed on the light incident surface;
or the transparent particles are arranged in the light-transmitting plate.
In the light curing device, preferably, the light transmittance of the transparent particles is higher than that of the light-transmitting plate.
The light curing device as described above, preferably, a reflective layer is further disposed on the light-transmitting plate, the light-transmitting plate includes a side wall located between the light incident surface of the light source and the light emergent surface of the worktable, the reflective layer covers the side wall, and the reflective layer is used for reflecting light to the worktable.
The light curing device as described above, preferably, the light-transmitting plate includes a first light-transmitting area corresponding to the frame sealing glue in the working table, and a second light-transmitting area and a third light-transmitting area adjacent to the first light-transmitting area, the reflective layer is disposed between the first light-transmitting area and the second light-transmitting area, and the reflective layer is disposed between the first light-transmitting area and the third light-transmitting area.
In the light curing device, the reflective layer is preferably a metal layer.
In the light curing device, it is preferable that the light source is provided in plurality, and the plurality of light sources are arranged at intervals.
The embodiment of the utility model provides a light curing device, through set up scattering structure on the light-passing board, the in-process of light process light-passing board that sends at the light source, can take place the refraction in scattering structure department, and the propagation direction of refraction light is different with the light propagation direction who jets out by the light-passing board when not setting up scattering structure, and then break up light, light is broken up the back and shines on display panel, and then improved the light homogeneity of shining on display panel, the frame of sealing on the display panel can solidify simultaneously and finish, the solidification effect of frame of sealing is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a light curing device according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Description of reference numerals:
10: a light source;
20: a light-transmitting plate;
201: a recessed portion;
202: transparent particles;
203: a first light-transmitting region;
204: a second light-transmitting region;
205: a third light-transmitting region;
30: a reflective layer;
40: an array substrate;
50: a liquid crystal layer;
60: a cover plate;
70: and sealing the frame glue.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a light curing device according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Please refer to fig. 1 and fig. 2. The present embodiment provides a light curing apparatus, including: the light source 10, the light-transmitting plate 20 and the workbench, the light-transmitting plate 20 is arranged between the light source 10 and the workbench, and the light-transmitting plate 20 is provided with a scattering structure which is used for changing the propagation direction of light so that the light is uniformly emitted out of the light-transmitting plate 20.
Specifically, the display panel may be a liquid crystal display panel, and of course, the light curing device provided in this embodiment may also be used to irradiate other devices that need to be irradiated by light to cure the photosensitive adhesive. Taking the display panel as an example of a liquid crystal display panel, the display panel includes an array substrate 40, a liquid crystal layer 50 and a cover plate 60, which are stacked, the liquid crystal layer 50 is disposed between the array substrate 40 and the cover plate 60, and the array substrate 40 is used to control liquid crystal molecules in the liquid crystal layer 50 to deflect, so as to realize display of the display panel.
Because the liquid crystal layer 50 has certain fluidity, the frame sealing adhesive 70 is arranged between the array substrate 40 and the cover plate 60, the frame sealing adhesive 70 is arranged around the liquid crystal layer 50, and the liquid crystal layer 50 can be prevented from flowing out from between the array substrate 40 and the cover plate 60 through the frame sealing adhesive 70; the frame sealing adhesive 70 may be a photosensitive adhesive that is cured by light. During processing, a liquid crystal layer 50 and a frame sealing adhesive 70 are formed between the array substrate 40 and the cover plate 60, and then the display panel is irradiated by a light curing device to cure the frame sealing adhesive 70, thereby completing the manufacturing of the display panel.
The light curing device in this embodiment may further include a frame body, and both the light source 10 and the light-transmitting plate 20 are mounted on the frame body; specifically, the workbench may be disposed on the frame body, the transparent plate 20 is disposed between the light source 10 and the workbench, and when processing, the display panel is disposed on the workbench, and the cover plate 60 of the display panel is disposed toward the transparent plate 20, the light source 10 emits light to the workbench, and the light passes through the transparent plate 20 and then irradiates the display panel, so as to cure the frame sealing adhesive 70.
In this embodiment, the light source 10 may be various, as long as it can emit light to the display panel, so as to cure the frame sealing adhesive 70 on the display panel; for example: the light source 10 may be an incandescent lamp, a mercury lamp, or the like; the present embodiment preferably employs a halogen lamp as the light source 10, which has a longer life span than an incandescent lamp.
The light source 10 in this embodiment may be a point light source such as a bulb; preferably, the light source 10 may also be a lamp-tube-like line light source or a surface light source.
Further, in this embodiment, there may be a plurality of light sources 10, and the plurality of light sources 10 are disposed at intervals on the upper portion of the light-transmitting plate 20. The light sources 10 can increase the illumination intensity of the display panel, thereby shortening the curing time of the frame sealing adhesive 70 and improving the processing speed of the display panel.
Preferably, in order to emit more light to the transparent plate 20, a light reflecting plate may be disposed on a side of the light source 10 away from the transparent plate 20, the light propagating in a direction away from the transparent plate 20 is reflected on the light reflecting plate, and the reflected light is emitted to the transparent plate 20, so that more light passes through the transparent plate 20, and the illumination intensity received by the display panel is further improved. The reflector can be a glass plate, a metal plate or other plates capable of reflecting light.
With reference to fig. 2, the scattering structures disposed on the light-transmitting plate 20 in this embodiment may be of various types, as long as the propagation direction of the light can be changed, so as to scatter the light, and the light can be uniformly irradiated on the display panel; for example: the transparent plate 20 includes a light-emitting surface facing the stage, and the scattering structure includes a plurality of recesses 201 disposed on the light-emitting surface. Specifically, the shape of the recess 201 may be various, for example: the concave part 201 is in a regular shape such as a hemisphere shape or a rectangular parallelepiped shape, or the concave part 201 is in another irregular shape; the light emitted from the concave portion 201 is refracted at the surface of the concave portion 201, and the direction of the refracted light is different from the direction of the light emitted from the light emitting surface when the concave portion 201 is not disposed, so as to change the direction of the light, and the light emitted from the light-transmitting plate 20 is scattered, so that the light is uniformly irradiated on the display panel. Further, when the surface of the recess 201 includes a plurality of surfaces with irregular surfaces, the propagation directions of the generated refracted light rays are different when the light rays pass through each surface, so that the light rays can be further scattered, and the uniformity of the light rays irradiated on the display panel is further improved.
Of course, the scattering structure in this embodiment may further include a frosted layer disposed on the light-emitting surface, and the frosted layer may be directly formed on the light-transmitting plate 20, or a glass plate having a frosted layer is disposed on the light-emitting surface of the light-transmitting plate 20 to scatter the light.
With continued reference to fig. 2, in the embodiment, the cross section of the concave portion 201 is triangular in a direction perpendicular to the light-transmitting plate 20. The recessed portion 201 having a triangular cross section has a simple structure and is easy to process.
Specifically, the recessed portion 201 may be triangular prism-shaped with a triangular cross section, a center line of the recessed portion 201 is disposed parallel to the light-transmitting plate 20, and center lines of the plurality of recessed portions 201 are disposed parallel and at equal intervals.
In this embodiment, the recess 201 is preferably conical or pyramid-shaped. Compared with the recess 201 having a triangular prism shape, the light can be further dispersed, and the uniformity of the light irradiated on the display panel can be improved.
Specifically, the plurality of concave portions 201 may be arranged in an array on the light emitting surface to further improve the uniformity of the light irradiated on the display panel. Of course, the plurality of concave portions 201 may be randomly distributed on the light emitting surface.
The light-transmitting plate 20 in this embodiment can be made of various materials, as long as the light-transmitting plate 20 has a certain light transmittance, so that the light emitted by the light source 10 can pass through the light-transmitting plate; for example: the light-transmitting plate 20 may be composed mainly of PMMA (polymethyl methacrylate), or the light-transmitting plate 20 may be composed mainly of PS (polypropylene).
The application process of the light curing device provided by the embodiment is as follows: placing the display panel with the frame sealing glue 70 on a side of the light-transmitting plate 20 away from the light source 10, and arranging the cover plate 60 of the display panel towards the light-transmitting plate 20; and then, controlling the light source 10 to emit light, wherein the light emitted by the light source 10 passes through the light-transmitting plate 20 and then irradiates on the display panel, and the frame sealing glue 70 on the display panel is cured after being irradiated by the light, thereby completing the processing of the display panel. When the light passes through the transparent plate 20, the scattering structure on the transparent plate 20 scatters the light, and the scattered light irradiates the display panel, so that the uniformity of the light irradiating the display panel is improved, and the frame sealing adhesive 70 on the display panel can be cured at the same time. Compared with the uneven light irradiated on the display panel, the curing time of the frame sealing adhesive 70 can be accurately determined.
The light curing device that this embodiment provided, through set up the scattering structure on light-transmitting plate 20, the in-process of light process light-transmitting plate 20 that sends at light source 10, can take place the refraction in scattering structure department, and the propagation direction of refraction light is different with the light propagation direction who is ejected by light-transmitting plate 20 when not setting up the scattering structure, and then break up light, light is broken up the back and is shone on display panel, and then improved the light homogeneity of shining on display panel, frame sealing glue 70 on the display panel can solidify simultaneously and finish, the curing effect of frame sealing glue 70 has been improved.
With continued reference to fig. 2. In the light curing device provided in this embodiment, the transparent plate 20 is provided with the transparent particles 202, the transparent plate 20 has a light incident surface facing the light source 10, and the transparent particles 202 are disposed on the light incident surface; or transparent particles 202 are disposed within the light-transmissive panel 20. The light irradiated on the transparent particles 202 is reflected and refracted, so that the light can be further scattered, and the uniformity of the light irradiated on the display panel can be further improved.
Specifically, the shape of the transparent particles 202 in this embodiment may be various, for example: the transparent particles 202 may be in a regular shape such as a sphere, an ellipsoid, a cuboid, or other irregular shape of the transparent particles 202.
In this embodiment, the transparent particles 202 with various shapes can be disposed on the light-transmitting plate 20 at the same time, so as to improve the light scattering effect. For example: spherical transparent particles 202 having different diameters are simultaneously provided on the light-transmitting plate 20, or spherical transparent particles 202 and rectangular parallelepiped transparent particles 202 are simultaneously provided on the light-transmitting plate 20.
When the transparent particles 202 are disposed on the light-in surface of the light-transmitting panel 20, the transparent particles 202 may be fabricated separately and then adhered to the light-in surface of the light-transmitting panel 20 by an adhesive. The transparent particles 202 can also be integrally formed with the light-transmitting plate 20, when the light-transmitting plate 20 is formed by an injection molding process, a groove with the same shape as the transparent particles 202 can be arranged on a mold for manufacturing the light-transmitting plate 20, and the transparent particles 202 can be formed at the position corresponding to the groove during injection molding; of course, the transparent plate 20 may be formed first, and then the transparent particles 202 may be engraved on the light incident surface of the transparent plate 20 by laser engraving.
When the transparent particles 202 are disposed inside the light-transmitting panel 20, the transparent particles 202 may be doped in a molten material, and then the molten material is injected into the mold, so that the light-transmitting panel 20 is formed after the molten material is solidified.
In particular, when the transparent particles 202 are disposed inside the light-transmissive panel 20, the transparent particles 202 can be uniformly distributed throughout the interior of the light-transmissive panel 20. Certainly, the transparent particles 202 may also be distributed in the light scattering surface in the light-transmitting plate 20, further, the light scattering surface may be multiple, the multiple light scattering surfaces are arranged in parallel and at intervals along the direction from the light source 10 to the worktable, the transparent particles 202 are arranged on each light scattering surface, and the light is reflected and refracted when passing through each light scattering surface, that is, the light is scattered when passing through each light scattering surface, so as to further improve the uniformity of the light received by the display panel.
Further, the light transmittance of the transparent particles 202 is higher than that of the light-transmitting plate 20. When the transparent particles 202 are disposed on the light incident surface of the light-transmitting plate 20, the light transmittance of the transparent particles 202 is higher than the light transmittance of the light-transmitting plate 20 and the light transmittance of the transparent particles 202 and the light-transmitting plate 20 are integrally formed, or the light transmittance of the transparent particles 202 is lower than the light transmittance of the light-transmitting plate 20, so that the loss of light rays when passing through the transparent particles 202 can be reduced, and the illumination intensity received by the display panel can be improved.
When the transparent particles 202 are disposed in the transparent plate 20, the light transmittance of the transparent particles 202 is higher than that of the transparent plate 20, and compared with the case that the transparent particles 202 are not disposed or the light transmittance of the transparent particles 202 is lower than that of the transparent plate 20, the light transmittance of the transparent plate 20 can be improved, and the illumination intensity received by the display panel can be further improved.
In this embodiment, the transparent particles 202 may be made of various materials, for example: the transparent particles 202 may be made of glass, plastic, or the like.
The working process of the light curing device provided by the embodiment is as follows: placing the display panel with the frame sealing glue 70 on a side of the light-transmitting plate 20 away from the light source 10, and arranging the cover plate 60 of the display panel towards the light-transmitting plate 20; then, the light source 10 is controlled to emit light, the light irradiates the light-transmitting plate 20, the transparent particles 202 located in the light incident surface of the light-transmitting plate 20 or inside the light-transmitting plate 20 can scatter the light, the scattered light irradiates the light emergent surface of the light-transmitting plate 20 and is emitted out through the scattering structure of the light emergent surface of the light-transmitting plate 20, and the scattering structure can further scatter the light, so that the light uniformly irradiates the display panel; the frame sealing glue 70 on the display panel is cured after being irradiated by light, and then the processing of the display panel is completed.
With continued reference to fig. 1 and 2. In the light curing device provided in this embodiment, the transparent plate 20 is further provided with a reflective layer 30, the transparent plate 20 includes a sidewall between a light incident surface of the transparent plate 20 facing the light source 10 and a light emergent surface facing the worktable, the reflective layer 30 covers the sidewall, and the reflective layer 30 is used for reflecting light to the display panel. The light rays can be prevented from being emitted along the side wall between the light incident surface and the light emitting surface, and the part of the light rays can be reflected to the display panel, so that the illumination intensity received by the display panel is improved.
With continued reference to fig. 1. Further, the transparent plate 20 includes a first transparent region 203 corresponding to the sealant 70 in the display panel, and a second transparent region 204 and a third transparent region 205 adjacent to the first transparent region 203, wherein a reflective layer 30 is disposed between the first transparent region 203 and the second transparent region 204, and a reflective layer 30 is disposed between the first transparent region 203 and the third transparent region 205. The projections of the reflective layers 30 on the display panel at the two sides of the first light-transmitting region 203 are located at the two sides of the sealant 70. The reflective layers 30 on the two sides of the first light-transmitting area 203 can reflect the light emitted to the outside of the first light-transmitting area 203 toward the display panel, so as to increase the intensity of the light received by the frame sealing adhesive 70, thereby shortening the curing time of the frame sealing adhesive 70.
It should be noted that the cross-sectional area of the first light-transmitting area 203 along the direction parallel to the transparent plate 20 is reasonably set so that the projection area of the first light-transmitting area 203 on the display panel is slightly larger than the area of the frame sealing adhesive 70, that is, the frame sealing adhesive 70 is located in the projection of the first light-transmitting area 203 on the display panel.
In this embodiment, the reflective layer 30 may be made of various materials, for example: the reflective layer 30 may be made of a light-transmitting material having a refractive index different from that of the light-transmitting plate 20, and the light is reflected at an interface between the reflective layer 30 and the light-transmitting plate 20, and further, the refractive index of the reflective layer 30 may be smaller than that of the light-transmitting plate 20, so that the light is totally reflected at the interface between the reflective layer 30 and the light-transmitting plate 20, and the light emitted from the first light-transmitting area 203 to the second light-transmitting area 204 and the third light-transmitting area 205 is further reduced.
In this embodiment, the reflective layer 30 is preferably a metal layer, and the metal layer can reflect all the light irradiated on the reflective layer 30, and the reflected light is emitted to the display panel, so that the illumination intensity received by the frame sealing adhesive 70 can be improved compared with the reflective layer 30 made of a transparent material.
Specifically, the reflective layer 30 may be a metal film layer mainly made of a metal material such as silver or aluminum.
In this embodiment, the light-transmitting plate 20 may be formed by splicing a plurality of plate bodies; specifically, the light-transmitting plate 20 has a middle plate body corresponding to the first light-transmitting area 203, a first sub-plate body corresponding to the second light-transmitting area 204, and a second sub-plate body corresponding to the third light-transmitting area 205, and the reflective layer 30 is provided between the middle plate body and the first sub-plate body, and the reflective plate is also provided between the middle plate body and the second sub-plate body. The middle plate body, the first sub-plate body and the second sub-plate body can be independently processed during processing, then the reflecting layers 30 are arranged between the middle plate body and the first sub-plate body and between the middle plate body and the second sub-plate body, and then the middle plate body, the first sub-plate body and the second sub-plate body are spliced together to form the light-transmitting plate 20.
The working process of the light curing device provided by the embodiment is as follows: placing the display panel with the frame sealing glue 70 on a side of the light-transmitting plate 20 away from the light source 10, and arranging the cover plate 60 of the display panel towards the light-transmitting plate 20; then, the light source 10 is controlled to emit light, the light irradiates the light-transmitting plate 20, the transparent particles 202 located in the light incident surface of the light-transmitting plate 20 or the light-transmitting plate 20 can scatter the light, and the scattered light is emitted to the light emitting surface of the light-transmitting plate 20 and then emitted through the scattering structure of the light emitting surface of the light-transmitting plate 20; the scattering structure can further scatter the light so as to enable the light to be uniformly irradiated on the display panel; the frame sealing glue 70 on the display panel is cured after being irradiated by light, and then the processing of the display panel is completed. In the process that the light passes through the light-transmitting plate 20, the light emitted to the outside of the first light-transmitting area 203 is reflected on the reflective layer 30, and the reflected light is emitted to the display panel, so as to improve the illumination intensity received by the frame sealing adhesive 70 corresponding to the first light-transmitting area 203.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless explicitly stated otherwise, the terms "mounting," "connecting," "fixing," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A light curing apparatus, comprising: light source, light-passing board and workstation, the light-passing board sets up the light source with between the workstation, be provided with scattering structure on the light-passing board, scattering structure is used for changing the propagation direction of light, makes light even by the light-passing board jets out.
2. The apparatus of claim 1, wherein the transparent plate includes a light-emitting surface facing the stage, and the scattering structure includes a plurality of recesses disposed on the light-emitting surface.
3. The light-curing device according to claim 2, wherein the cross-section of the concave portion is triangular in a direction perpendicular to the light-transmitting plate.
4. The photo-curing device of claim 3, wherein the concave portion is conical or pyramid-shaped.
5. The light curing device of claim 1, wherein the light transmissive plate has transparent particles disposed thereon, the light transmissive plate having a light incident surface facing the light source, the transparent particles being disposed on the light incident surface;
or the transparent particles are arranged in the light-transmitting plate.
6. The light-curing apparatus of claim 5, wherein the light transmittance of the transparent particles is higher than the light transmittance of the light-transmitting plate.
7. The light curing device according to claim 1, wherein a reflective layer is further disposed on the light transmissive plate, the light transmissive plate includes a sidewall located between the light incident surface of the light transmissive plate facing the light source and the light emergent surface facing the worktable, the reflective layer covers the sidewall, and the reflective layer is configured to reflect light toward the worktable.
8. The light curing device according to claim 7, wherein the light transmissive plate includes a first light transmissive region corresponding to the frame sealing adhesive in the worktable, and a second light transmissive region and a third light transmissive region adjacent to the first light transmissive region, the reflective layer is disposed between the first light transmissive region and the second light transmissive region, and the reflective layer is disposed between the first light transmissive region and the third light transmissive region.
9. The curing light of claim 8, wherein said reflective layer is a metal layer.
10. The curing light of claim 1, wherein said light source is a plurality of light sources, and said plurality of light sources are spaced apart.
CN201920719132.8U 2019-05-20 2019-05-20 Light curing device Active CN210058872U (en)

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CN201920719132.8U CN210058872U (en) 2019-05-20 2019-05-20 Light curing device

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Application Number Priority Date Filing Date Title
CN201920719132.8U CN210058872U (en) 2019-05-20 2019-05-20 Light curing device

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CN210058872U true CN210058872U (en) 2020-02-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114644895A (en) * 2022-04-22 2022-06-21 广州瑞一环保科技有限公司 Antifouling anti-sticking paste and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114644895A (en) * 2022-04-22 2022-06-21 广州瑞一环保科技有限公司 Antifouling anti-sticking paste and application thereof

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