CN109990979B - Detection jig and detection system - Google Patents
Detection jig and detection system Download PDFInfo
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- CN109990979B CN109990979B CN201910289173.2A CN201910289173A CN109990979B CN 109990979 B CN109990979 B CN 109990979B CN 201910289173 A CN201910289173 A CN 201910289173A CN 109990979 B CN109990979 B CN 109990979B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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Abstract
The invention provides a detection jig, comprising: the light source module comprises at least one light source, and the light source is used for emitting light source light; the accommodating structure is connected with the light source module, arranged on the emergent path of the light source light and used for accommodating an object to be detected, and when the object to be detected is accommodated in the accommodating structure, the light source light is emergent from one side, away from the light source module, of the object to be detected; and the light source area adjusting structure is connected with the accommodating structure, is arranged on one side of the accommodating structure, which is far away from the light source module, and is used for adjusting the area of the light source light emitted from one side of the object to be detected, which is far away from the light source module, according to the size of the object to be detected, and acquiring the optical data of the object to be detected according to the light source light. The invention also provides a detection system.
Description
Technical Field
The invention relates to the field of optical property detection, in particular to a detection jig and a detection system comprising the same.
Background
Most electronic products (including display devices, lighting devices, etc.) include a backlight module for providing a light source, and various optical structures such as optical films are often used in the backlight module to change the light transmission mode, for example, a light guide plate is used to guide light. In order to avoid large loss caused by poor batch in the whole assembly process under the condition of changing the light transmission mode by adopting the optical structures such as the various optical films and the like, before the backlight module is put into use, the optical properties of the optical structures are generally required to be detected so as to ensure the operation effect of the backlight module.
The current common detection method includes mechanical detection method, such as detecting the end face roughness of the optical structure to measure the optical property, but the detection method takes longer time. In addition, the conventional detection method further includes assembling the optical structure into a backlight module product and then detecting the optical structure, which still consumes a long time and requires additional lead wires for detecting the optical structure, thereby wasting manpower and material resources.
Disclosure of Invention
In view of the above, it is desirable to provide a detection tool and a detection system with high accuracy and convenient operation.
One aspect of the present invention provides a detection tool, including:
the light source module comprises at least one light source, and the light source is used for emitting light source light;
the accommodating structure is connected with the light source module, arranged on the emergent path of the light source light and used for accommodating an object to be detected, and when the object to be detected is accommodated in the accommodating structure, the light source light is emergent from one side, away from the light source module, of the object to be detected; and
the light source area adjusting structure is connected with the accommodating structure, arranged on one side, far away from the light source module, of the accommodating structure, and used for adjusting the area of the light source light emitted from one side, far away from the light source module, of the object to be detected according to the size of the object to be detected, and acquiring the optical data of the object to be detected according to the light source light.
In another aspect, the present invention provides a detection system, including:
the detection jig is the detection jig; and
and the analysis device is arranged on a light source light emergent path of the detection jig and is used for acquiring the optical data of the object to be detected according to the light source light.
The detection jig comprises a light source module, a containing structure and a light source area adjusting structure, wherein an object to be detected (such as a light guide plate) is contained in the containing structure, light source light provided by the light source module is utilized to enable the light source light to be emitted from one side, away from the light source module, of the object to be detected, optical data of the object to be detected can be obtained according to the light source light emitted from one side, away from the light source module, of the object to be detected, the optical data is used for reflecting the optical property of the object to be detected, the detection jig can achieve the purpose that the object to be detected can be conveniently replaced, the optical property of the object to be detected can be detected before the object to be detected is assembled to a product, and the improvement of the yield of the product is facilitated. And the detection jig can adjust the area of the light source light emitted from one side of the object to be detected, which is far away from the light source module, according to the size of the object to be detected by the light source area adjusting structure, so that the influence degree of the light source light emitted from one side of the object to be detected, which is far away from the light source module, on the light source light emitted from other areas is favorably reduced, and the accuracy of the detected optical data is favorably improved.
Drawings
Fig. 1 is a schematic perspective view of a detection fixture according to an embodiment.
Fig. 2 is a schematic cross-sectional view of the inspection jig of fig. 1 along line ii-ii.
Fig. 3 is a schematic perspective view of the light source module shown in fig. 2.
Fig. 4A is a schematic structural diagram of a state of the receiving structure in fig. 2.
Fig. 4B is a schematic structural view of the receiving structure in fig. 2 in another state.
Fig. 5 is a schematic plan view of the light source area adjusting structure in fig. 2.
Fig. 6 is a schematic diagram of a split structure of the light source area adjusting structure in fig. 5.
Fig. 7 is a schematic cross-sectional structure view of the inspection tool according to the second embodiment.
Fig. 8 is a schematic perspective view of the light source module shown in fig. 7.
Fig. 9 is a structural diagram illustrating a state of the light source area adjusting structure of fig. 7.
Fig. 10 is a schematic structural view showing another state of the light source area adjustment structure of fig. 7.
Fig. 11 is a schematic structural diagram of a detection system according to a third embodiment.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Example one
The detection fixture provided by the embodiment is mainly used for detecting optical properties of optical structures such as various optical films, for example, detecting light guide properties of a light guide plate, light transmission properties of an antireflection film, light reflection properties of an antireflection film, and the like.
Referring to fig. 1, the inspection tool 10 of the present embodiment includes a light source module 11, an accommodating structure 12 connected to the light source module 11, and a light source area adjusting structure 13 connected to the accommodating structure 12 and disposed on a side of the accommodating structure 12 away from the light source module 11.
Referring to fig. 2, the light source module 11 includes at least one light source 111, and the light source 111 is used for emitting light of the light source. In this embodiment, the light source module 11 includes a plurality of light sources 111, and the light sources 111 are light emitting diodes, and in another embodiment, the light sources 111 may also be light bars. Referring to fig. 2 and fig. 3, in the embodiment, the light source module 11 is a side-in type light source module, and further includes a bottom plate 112, a side plate 113 disposed at an edge of the bottom plate 112 and perpendicular to the bottom plate 112, and a reflective sheet 114, wherein each of the light sources 111 is disposed on the side plate 113, and the reflective sheet 114 is disposed on the bottom plate 112. When the light source 111 emits light, the portion of the light source incident to the bottom plate 112 is reflected to the receiving structure 12 by the reflective sheet 114, which is beneficial to reducing light loss and improving light utilization rate.
Referring to fig. 2 and fig. 4A, the accommodating structure 12 is disposed on the exit path of the light source light and is used for accommodating an object to be detected (the optical structure mentioned above), which is exemplified as the light guide plate 40 in the present embodiment. Specifically, the accommodating structure 12 includes a fixed portion 121 and a movable portion 122, the fixed portion 121 is fixedly connected (e.g., glued) to the light source light emitting path of the light source module 11, and the movable portion 122 is movably connected to the fixed portion 121 in a drawing manner. The movable portion 122 includes a bottom plate 1221 and a side plate 1222 disposed at an edge of the bottom plate 1221 and perpendicular to the bottom plate 1221, the bottom plate 1221 and the side plate 1222 enclose a containing space 1223, the containing space 1223 is used for containing the light guide plate 40, it should be understood that, in order to facilitate the light source light to enter the light guide plate 40, the bottom plate 1221 is made of a material with good light transmittance.
Referring to fig. 4A to 4B, the movable portion 122 can be drawn out along the X direction in fig. 4A to place the light guide plate 40 in the accommodating space 1223 or take out the light guide plate 40 from the accommodating space 1223. When the movable portion 122 is accommodated in the fixed portion 121, the light guide plate 40 is accommodated in the accommodating space 1223, and the movable portion 122 is accommodated in the fixed portion 121 in the Y direction in fig. 4B, the light source light emitted from the light source 111 is emitted from the side of the light guide plate 40 away from the light source module 11.
Referring to fig. 2 again, the light source area adjusting structure 13 is connected to the accommodating structure 12, and disposed on a side of the accommodating structure 12 away from the light source module 11, and is used for adjusting an area of the light source light emitted from the side of the light guide plate 40 away from the light source module 11 according to a size of the light guide plate 40.
Referring to fig. 2 and fig. 5, in the present embodiment, the light source area adjusting structure 13 includes a first adjusting portion 131 capable of moving along the first direction M and a second adjusting portion 132 capable of moving along the second direction N. When the first adjusting portion 131 displaces along the first direction M and the second adjusting portion 132 displaces along the second direction N, the first adjusting portion 131 and the second adjusting portion 132 enclose to form an opening 133, and the opening 133 corresponds to the position of the light guide plate 40. The first adjustment portion 131 and the second adjustment portion 132 are made of opaque material, so that the light source light emitted from the light guide plate 40 at the side away from the light source module 11 can only be emitted from the opening 133. It can be understood that the area of the opening 133 can be adjusted by displacing the first regulating part 131 in the first direction M and displacing the second regulating part 132 in the second direction N.
Referring to fig. 2 and fig. 5, in the actual detection process, only the light source light emitted from the side of the light guide plate 40 away from the light source module 11 needs to be obtained, when the area of the light guide plate 40 is smaller than that of the bottom plate 1221, the light guide plate 40 only covers a part of the area of the bottom plate 1221, since the light transmittance of the bottom plate 1221 is good, the area of the opening 133 can be adjusted to be the same as that of the light guide plate 40, because the light source light emitted from the area of the bottom plate 1221 not covered by the light guide plate 40 affects the light source light emitted from the side of the light guide plate 40 away from the light source module 11, and because the first adjusting portion 131 and the second adjusting portion 132 are both made of opaque materials, only the light source light emitted from the side of the light guide plate 40 away from the light source module 11 can be emitted from the opening 133.
In this embodiment, the side of the light guide plate 40 away from the light source module 11 is rectangular, the opening 133 is also rectangular, the first direction M is perpendicular to the second direction N, and the first adjusting portion 131 and the second adjusting portion 132 form the rectangular opening 133.
Referring to fig. 5 and 6, in particular, in the present embodiment, the first adjustment portion 131 includes a plurality of foldable first adjustment units 1311 connected to each other, and when the first adjustment portion 131 is displaced along the first direction M, each of the foldable first adjustment units 1311 is folded or unfolded along the first direction. The first adjusting portion 131 further includes a fixing frame 1312, in the embodiment, the fixing frame 1312 is rectangular, two opposite sides of the fixing frame 1312 are respectively provided with a slot 1312a and a slot 1312b, each first adjusting unit 1311 is clamped in the slot 1312a and the slot 1312b, and the first adjusting units 1311 are displaced in the slots 1312a and 1312b to cooperate with the second adjusting portion 132 to form the opening 133.
Similarly, the second adjustment part 132 includes a plurality of closely coupled foldable second adjustment units 1321, and each of the second adjustment units 1321 is folded or unfolded in the second direction N when the second adjustment part 132 is displaced in the second direction N. The second adjusting portion 132 further includes a fixing frame 1322, in the embodiment, the fixing frame 1322 is rectangular, two opposite sides of the fixing frame 1322 are respectively provided with a slot 1322a and a slot 1322b, each of the second adjusting units 1321 is clamped in the slot 1322a and the slot 1322b, and moves in the slot 1322a and the slot 1322b to cooperate with the first adjusting portion 131 to form the opening 133.
The first adjustment part 131 and the second adjustment part 132 are stacked, specifically, the fixing frame 1312 and the fixing frame 1322 are stacked and fixedly connected, wherein the stacking order of the first adjustment part 131 and the second adjustment part 132 is not particularly required.
Referring to fig. 2 again, in the embodiment, the detection fixture 10 further includes an optical film group 14, the optical film group 14 may include one or more optical films, and the one or more optical films may be one or any combination of an anti-reflection film, and the like, which is beneficial to improving light transmittance and further beneficial to improving light utilization rate. In addition, the optical film is generally used in a display or lighting device using a light guide plate, and the optical film group 14 is added in the inspection jig 10 to more closely simulate the environment in an actual product, which is beneficial to improving the inspection precision.
The detection fixture 10 provided by this embodiment includes a light source module 11, a receiving structure 12 and a light source area adjusting structure 13, the object to be detected (for example, a light guide plate) is received in the receiving structure 12, the light source light provided by the light source module 11 is utilized to emit the light source light from the side of the object to be detected away from the light source module 11, the optical data of the object to be detected can be obtained according to the light source light emitted from the side of the object to be detected away from the light source module 11, the optical data is used for reflecting the optical property of the object to be detected, the detection fixture 10 can realize convenient replacement of the object to be detected, the optical property of the object to be detected can be detected before the object to be detected is assembled to a product, and the improvement of the product yield is facilitated. And the detection jig 10 can adjust the area of the light source light emitted from one side of the object to be detected, which is far away from the light source module 11, according to the size of the object to be detected through the light source area adjusting structure 13, which is favorable for reducing the degree of influence of the light source light emitted from one side of the object to be detected, which is far away from the light source module 11, by the light source light emitted from other areas, and is further favorable for improving the accuracy of the detected optical data.
Example two
Referring to fig. 7, the main difference between the inspection tool 20 of the present embodiment and the first embodiment is that the specific structures of the light source module 11 and the light source area adjusting structure 13 are different. Only the above-described difference will be described in detail below.
Referring to fig. 8, in the present embodiment, the light source module 11 is a direct-type light source module, and includes a plurality of light sources 111, a bottom plate 112, a side plate 113 disposed at an edge of the bottom plate 112 and perpendicular to the bottom plate 112, and a reflective sheet 114, where the difference from the first embodiment is that the light sources 111 are disposed on the bottom plate 112, and are arranged in an array in a space defined by the bottom plate 112 and the side plate 113, and the reflective sheet 114 is disposed on the side plate 113. The light source light emitted from each light source 111 enters the accommodating structure 12 from the light source module 11, and the light source light emitted from the light source 111 near the bottom plate 112 is easy to enter the side plate 113, so that since the side plate 113 is provided with the reflective sheet 114, the part of the light source light is reflected to the accommodating structure 12 by the reflective sheet 114, which is beneficial to reducing the light loss and improving the light utilization rate. Compared with the lateral light source module in the first embodiment, the light source light emitted by the direct light source module is more uniform.
Referring to fig. 9, in the present embodiment, similar to the embodiment, the light source area adjusting structure 13 includes a first adjusting portion 131 capable of moving along the first direction M and a second adjusting portion 132 capable of moving along the second direction N, and the first adjusting portion 131 moves along the first direction M.
The difference from the first embodiment is that the first adjusting portion 131 in the present embodiment includes a plurality of third adjusting units 1313 and a fixing frame 1314, which are separately disposed, in which the fixing frame 1314 is rectangular, two opposite sides of the fixing frame 1314 are respectively provided with a locking slot 1314a and a locking slot 1314b, each of the third adjusting units 1313 is locked in the locking slot 1314a and the locking slot 1314b, and is displaced in the locking slot 1314a and the locking slot 1314b along the first direction M, and can rotate in the locking slot 1314a and the locking slot 1314b around the first direction N. Referring to fig. 10, when the first adjusting part 131 is displaced along the first direction M, the third adjusting unit 1313 is rotated to form an angle θ with the initial position, so that the third adjusting units 1313 form a gap therebetween, and then the third adjusting units 1313 are slid along the first direction M, so that the first adjusting part 131 and the second adjusting part 132 are moved to form the opening 133. The structure and the moving manner of the second adjusting portion 132 are similar to those of the first adjusting portion 131, and are not described herein again.
It should be understood that the detection fixture 20 provided in the present embodiment can achieve all the advantages as described in the first embodiment.
EXAMPLE III
Referring to fig. 11, the detection system 30 provided in this embodiment includes a detection fixture 31 and an analysis device 32, where the detection fixture 31 is as described in any one of the first to second embodiments (the detection fixture in fig. 11 is the same as that described in the first embodiment), and details thereof are omitted here.
The analyzer 32 is disposed on the light source light exit path of the detection fixture 31 (dashed arrow in fig. 10), and is configured to obtain the light source light and obtain optical data of an object to be detected (in this embodiment, the light guide plate 40) according to the light source light. In this embodiment, the analysis device 32 includes a light obtaining module 321 and an analysis module 322, the light obtaining module 321 is a lens, the light source light emitted from the opening 133 of the detection fixture 31 enters from the lens, the analysis module 322 is used for analyzing the light source light to obtain optical data of the light guide plate 40, the optical data reflects the optical property of the light guide plate 40, and the optical data may be light brightness, light uniformity, and the like to reflect the light transmittance of the light guide plate 40 or the light guide property.
It should be understood that the present embodiment provides the detection system 30, which can achieve all the advantages as described in the first to second embodiments.
It will be appreciated by those skilled in the art that the above embodiments are illustrative only and not intended to be limiting, and that suitable modifications and variations may be made to the above embodiments without departing from the true spirit and scope of the invention.
Claims (9)
1. A detection tool, its characterized in that includes:
the light source module comprises at least one light source, and the light source is used for emitting light source light;
the accommodating structure is connected with the light source module, arranged on the emergent path of the light source light and used for accommodating an object to be detected, and when the object to be detected is accommodated in the accommodating structure, the light source light is emergent from one side, away from the light source module, of the object to be detected; and
the light source area adjusting structure is connected with the accommodating structure, is arranged on one side, far away from the light source module, of the accommodating structure and is provided with an opening, and is used for adjusting the shape of the opening to be the same as that of the object to be detected and adjusting the area of the opening to be equal to the area of the object to be detected so as to adjust the area of the light source light emitted from one side, far away from the light source module, of the object to be detected, and optical data of the object to be detected can be acquired according to the light source light.
2. The inspection tool of claim 1, wherein the receiving structure comprises:
the fixing part is fixedly connected to the light source module; and
the movable part is movably connected to the fixed part in a drawing mode and used for containing the object to be detected.
3. The inspection tool of claim 1, wherein the light source area adjustment structure comprises a first adjustment portion displaceable in a first direction and a second adjustment portion displaceable in a second direction;
the first adjusting portion and the second adjusting portion are respectively displaced along the first direction and the second direction to form the opening in an enclosing manner, and the light source light is emitted from the opening.
4. The inspection fixture of claim 3, wherein the first adjustment portion includes a plurality of interconnected foldable first adjustment units, each of the first adjustment units being folded or unfolded along the first direction when the first adjustment portion is displaced along the first direction;
the second adjusting portion comprises a plurality of mutually connected foldable second adjusting units, and when the second adjusting portion is displaced along the second direction, each second adjusting unit is folded or unfolded along the second direction.
5. The inspection jig according to claim 3, wherein the first adjusting portion includes a plurality of third adjusting units separated from each other, and when the first adjusting portion is displaced in the first direction, each of the third adjusting units is displaced in the first direction and can rotate about the first direction;
the second adjusting portion comprises a plurality of mutually separated fourth adjusting units, and when the second adjusting portion displaces along the second direction, each fourth adjusting unit displaces along the second direction and can rotate by taking the first direction as an axis.
6. The inspection fixture of claim 4 or 5, wherein the first direction is perpendicular to the second direction.
7. The inspection jig according to claim 4 or 5, wherein the first adjustment portion and the second adjustment portion are provided in a stacked manner.
8. The inspection tool of any one of claims 1 to 5, wherein the light source module is a direct-type light source module or a side-type light source module.
9. A detection system, comprising:
a detection tool according to any one of claims 1 to 8; and
and the analysis device is arranged on a light source light emergent path of the detection jig and is used for acquiring the optical data of the object to be detected according to the light source light.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910289173.2A CN109990979B (en) | 2019-04-11 | 2019-04-11 | Detection jig and detection system |
| TW108114217A TWI699513B (en) | 2019-04-11 | 2019-04-23 | Detection fixture and detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910289173.2A CN109990979B (en) | 2019-04-11 | 2019-04-11 | Detection jig and detection system |
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| CN109990979A CN109990979A (en) | 2019-07-09 |
| CN109990979B true CN109990979B (en) | 2021-12-03 |
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Also Published As
| Publication number | Publication date |
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| TWI699513B (en) | 2020-07-21 |
| TW202037878A (en) | 2020-10-16 |
| CN109990979A (en) | 2019-07-09 |
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