CN213456719U - Detection apparatus for curved surface screen defect - Google Patents
Detection apparatus for curved surface screen defect Download PDFInfo
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- CN213456719U CN213456719U CN202022222774.2U CN202022222774U CN213456719U CN 213456719 U CN213456719 U CN 213456719U CN 202022222774 U CN202022222774 U CN 202022222774U CN 213456719 U CN213456719 U CN 213456719U
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Abstract
The utility model discloses a curved surface screen defect detection device, the device includes that the optical mechanism of camera and high power camera lens segmentation gathers the curved surface angle image and/or the round hole image of waiting to detect curved surface screen, and with curved surface angle image and/or the round hole image send to image processor; the driving mechanism drives the optical mechanism and/or an object stage on which the curved screen to be detected is placed, so that the collection area of the curved angle image and/or the round hole image is switched; the image processor outputs the curved surface screen defect result according to the curved surface angle image and/or the round hole image, the depth of field of the lens can be fully utilized, the shooting frequency is reduced, vertical continuous shooting of different curved surface areas is realized, the detection efficiency and precision of the curved surface screen defect are improved, the mass production process of the curved surface screen defect detection is facilitated, and the product yield is improved.
Description
Technical Field
The utility model relates to a curved surface screen defect detection area especially relates to a curved surface screen defect's detection device.
Background
As curved screens of electronic equipment become more popular, the detection requirements of related products are increased; the detection of each part of the curved screen, such as a curved angle and a round hole part, is the key point in the detection link, the round hole part is a part corresponding to the opening area of the camera determined after the dimensional coordinates are calculated according to the central position of the curved screen, at present, the defect detection of the special part of the curved screen is usually carried out on the basis of one-time shooting and drawing of a common industrial camera, the detection mode has low accuracy, and all defects are difficult to detect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a detection device of curved surface screen defect, it is low to aim at solving curved surface screen detection efficiency among the prior art, expends time and just detects the unsatisfactory technical problem of precision.
The utility model provides a detection device for curved surface screen defect, it includes to wait to detect detection device for curved surface screen defect:
the optical mechanism comprises a camera and a high power lens and is used for acquiring a curved surface angle image and/or a round hole image of the curved surface screen to be detected in a segmented mode and sending the curved surface angle image and/or the round hole image to the image processor;
the driving mechanism is used for driving the optical mechanism and/or an object stage on which the curved screen to be detected is placed, so that the collection area of the curved angle image and/or the round hole image is switched;
and the image processor is used for outputting a curved surface screen defect result according to the curved surface angle image and/or the round hole image.
Optionally, the driving mechanism is further configured to adjust a Z axis of the optical mechanism, so as to adjust an object distance when the camera acquires images of different regions of the curved angle of the curved screen to be detected.
Optionally, when the optical mechanism collects the circular hole image of the curved screen to be detected in a segmented manner, the optical mechanism is composed of a camera, a lens and an annular light source.
Optionally, the annular light source is a dark field subarea illumination annular light source, and an illumination direction of the annular light source is perpendicular to a crack direction of the curved screen to be detected.
Optionally, the driving mechanism drives the curved screen to be detected and/or the optical mechanism to move in the horizontal direction, so that each section of the circular hole area is located in the visual field of the optical mechanism.
Optionally, when the optical mechanism segmentally collects the curved surface angle image in the curved surface screen to be detected, the optical mechanism is composed of a camera, a lens and a coaxial light source.
Optionally, the driving mechanism drives the optical mechanism and/or the object stage, and adjusts a relative inclination angle between each section of the curved surface to be detected of the curved screen curved angle to be detected and the optical mechanism, so that the central axis of the camera viewing angle is perpendicular to a tangent plane of the curved surface to be detected currently.
Optionally, the apparatus for detecting defects of a curved screen further includes:
and the automatic focusing mechanism is used for automatically adjusting the object distance when the camera acquires the angle image and/or the round hole image of each section of the curved surface.
Optionally, the lens in the optical mechanism is a fixed-magnification or variable-magnification lens.
Optionally, the apparatus for detecting defects of a curved screen to be detected further includes:
and the adjusting frame is used for adjusting the vertical distance and/or the inclination angle between the adjusting object stage and the optical mechanism.
The utility model provides a detection device for defects of a curved surface screen, which sectionally collects a curved surface angle image and/or a round hole image of a curved surface screen to be detected through an optical mechanism comprising a camera and a high power lens and sends the curved surface angle image and/or the round hole image to an image processor; the driving mechanism drives the optical mechanism and/or an object stage on which the curved screen to be detected is placed, so that the collection area of the curved angle image and/or the round hole image is switched; the image processor outputs the curved surface screen defect result according to the curved surface angle image and/or the round hole image, the depth of field of the lens can be fully utilized, the shooting frequency is reduced, vertical continuous shooting of different curved surface areas is realized, the detection efficiency and precision of the curved surface screen defect are improved, the mass production process of the curved surface screen defect detection is facilitated, and the product yield is improved.
Drawings
FIG. 1 is a schematic view of a curved screen defect detecting device according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the circular hole detection of the curved screen defect detection device of the present invention;
FIG. 3 is a schematic view of the curved surface angle detection of the device for detecting defects of curved surface screen of the present invention;
FIG. 4 is a schematic view of a second embodiment of the device for detecting defects of a curved screen according to the present invention;
fig. 5 is a schematic diagram illustrating a third embodiment of the apparatus for detecting defects of a curved screen according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic composition diagram of a first embodiment of the device for detecting defects of a curved screen according to the present invention.
In a first embodiment, the apparatus for detecting defects of a curved screen to be detected includes:
the optical mechanism S1 comprises a camera and a high power lens, and is used for acquiring a curved surface angle image and/or a round hole image of the curved surface screen S2 to be detected in a segmented mode and sending the curved surface angle image and/or the round hole image to the image processor S3;
the driving mechanism S4 is used for driving an optical mechanism and/or an object stage S5 for placing the curved screen to be detected, so that the collection area of the curved angle image and/or the round hole image is switched;
and the image processor S3 is used for outputting a curved screen defect result according to the curved angle image and/or the circular hole image.
It should be noted that the optical mechanism can collect an image of an arc surface in a curved screen to be detected, the collected image includes a curved surface angle image and/or a circular hole image, the curved surface angle image corresponds to a curved surface angle arc surface defect detection mode, the circular hole image corresponds to a circular hole arc surface defect detection mode, after the curved surface angle image and/or the circular hole image are collected and obtained, the curved surface angle image and/or the circular hole image can be sent to an image processor, and the object stage is used for bearing the curved screen to be detected.
It can be understood that the image processor is a processor for performing image analysis and data processing on the curved surface angle image and/or the circular hole image, in an actual operation, the image processor may be integrated in the detection device for detecting the curved surface screen defect to be detected, or may be embedded in the detection device for detecting the curved surface screen defect to be detected, of course, the image processor may also be a remote server, and after receiving the curved surface angle image and/or the circular hole image, the image processor performs processing analysis and feeds back a defect detection result, which is not limited in this embodiment.
It should be understood that the driving mechanism may be disposed beside the optical mechanism for driving the optical mechanism, and the driving mechanism may also be disposed beside the stage of the curved screen to be detected, or may also be disposed between the optical mechanism and the stage of the curved screen to be detected; the curved screen to be detected is placed, and therefore the collection area of the curved angle image and/or the circular hole image can be rapidly switched.
The driving mechanism S4 is further configured to adjust the Z axis of the optical mechanism, so as to adjust the object distance when the camera acquires images of different regions of the curved angle of the curved screen to be detected.
It can be understood that the driving structure can also adjust the Z axis of the optical mechanism, that is, adjust the vertical height of the optical mechanism relative to the curved screen to be detected, so as to adjust the object distance when the camera acquires images of different areas of the curved angle of the curved screen to be detected, thereby facilitating rapid acquisition of images of different areas of the curved angle.
Further, when the optical mechanism collects the round hole image of the curved screen to be detected in a segmented manner, the optical mechanism consists of a camera, a lens and an annular light source.
It can be understood, as shown in fig. 2, fig. 2 is the utility model discloses detection device round hole detection schematic diagram of curved surface screen defect, wherein, B1 is the camera, and B2 is the camera lens, and B3 is annular light source, and B4 is to wait to detect curved surface screen, and when the round hole image of cambered surface in waiting to detect curved surface screen was detected in the collection, optical mechanism comprises camera, camera lens and annular light source, the camera can be industrial camera, also can be high definition digital camera, still can be other equipment or the device that have the shooting function, and this embodiment does not restrict.
Further, the annular light source is a dark field subarea illumination annular light source, and the illumination direction of the annular light source is perpendicular to the crack direction of the curved screen to be detected.
It should be noted that, when the optical mechanism collects the circular hole image in the curved screen to be detected, the circular hole region is shot through actual experiment comparison, and the contrast of the circular hole crack is higher under dark field illumination, so that for the shooting of the circular hole crack, the detection precision of the curved screen defect can be further improved when the annular light source is a dark field subarea illumination annular light source, and certainly, the circular hole region defect can also be detected by using bright field illumination, which is not limited in this embodiment; the circular hole area is a camera hole opening area determined after the dimensional coordinates are calculated according to the central position of the curved screen.
It can be understood that the illumination direction of the optical mechanism is perpendicular to the crack direction of the curved screen to be detected, so that the screen defect of the curved screen to be detected can be detected more accurately.
Further, the driving mechanism drives the curved screen to be detected and/or the optical mechanism to move in the horizontal direction, so that each section of the circular hole area is located in the visual field of the optical mechanism.
It should be understood that, when the circular hole image is collected, the driving mechanism may drive the curved screen to be detected and/or the optical mechanism to move in the horizontal direction, so that each section of the circular hole region is located in the field of view of the optical mechanism, images of the circular hole region of the curved screen in different detection regions are obtained through multiple times of segmented shooting, a complete circular hole image in the curved screen to be detected can be obtained, and when the circular hole image of the arc surface in the curved screen to be detected is collected, different illumination regions of the annular light source may be adjusted, so as to capture images of different regions of the circular hole.
Further, when the optical mechanism collects the curved surface angle image in the curved surface screen to be detected in a segmented manner, the optical mechanism consists of a camera, a lens and a coaxial light source.
It should be understood that, as shown in fig. 3, fig. 3 is a schematic view of detecting the curved surface angle of the device for detecting defects of a curved surface screen according to the present invention, wherein a1 is a camera, a2 is a lens, A3 is a coaxial light source, a4 is a curved surface screen to be detected, and when acquiring the curved surface angle image of the curved surface in the curved surface screen to be detected, the optical mechanism is composed of the camera, the lens and the coaxial light source; the camera may be an industrial camera, a high-definition digital camera, or other devices or apparatuses with a shooting function, which is not limited in this embodiment.
Further, the driving mechanism drives the optical mechanism and/or the object stage, and adjusts the relative inclination angle between each section of the curved surface to be detected of the curved surface angle of the curved surface screen to be detected and the optical mechanism, so that the central axis of the camera view angle is perpendicular to the tangent plane of the current curved surface to be detected.
It can be understood that the optical mechanism and/or the object stage can be driven by the driving mechanism, so that the relative inclination angle between each section of the curved surface angle of the curved surface screen to be detected and the optical mechanism is adjusted, the curved surface angle image of the curved surface in the curved surface screen to be detected can be obtained, the central axis of the camera view angle is perpendicular to the tangent plane of the curved surface to be detected currently, the vertical shooting of different curved surface areas is realized, the depth of field of the lens can be fully utilized, the shooting frequency is reduced, and the detection efficiency is improved.
Further, as shown in fig. 4, fig. 4 is a schematic diagram of a composition according to a second embodiment of the detecting device for detecting defects of curved screen of the present invention, the detecting device for defects of curved screen further includes:
and the automatic focusing mechanism S6 is used for automatically adjusting the object distance when the camera acquires each section of the curved surface angle image and/or the round hole image.
It can be understood that, through the object distance when the automatic focusing mechanism can automatically adjust the camera and acquire each section of curved surface angle image and/or round hole image, realize the continuous quick shooting in different regions, improved the detection efficiency and the precision of curved surface screen cambered surface defect, help the volume production process of curved surface screen defect detection more.
Further, the lens in the optical mechanism is a fixed-magnification or variable-magnification lens.
It should be noted that, the lens in the optical mechanism is a fixed-magnification or variable-magnification lens, the relative positions of the lens and the annular light source are fixed and move together, and the lens and the annular light source move horizontally to realize the detection of different areas of the circular hole, and the multiple of the lens can be fixed and can also be adjusted according to different scenes and different test requirements.
Further, the detection device for detecting the defects of the curved screen to be detected further comprises:
and S7 adjusting frame for adjusting the vertical distance and/or the inclination angle between the adjusting object stage and the optical mechanism.
As shown in fig. 5, fig. 5 is a schematic composition diagram of a third embodiment of the device for detecting defects of a curved screen according to the present invention; the utility model discloses detection device object carrying of curved surface screen defect adjusts the sketch map, wherein S7 is the alignment jig, the objective table is used for bearing the curved surface screen of waiting to detect, can adjust the height or the horizontal inclination of objective table through the alignment jig, can adjust the vertical distance and/or the inclination of adjustment objective table and optical mechanism; therefore, the vertical distance between the adjusting object stage and the optical mechanism is adjusted, the defect detection of different curved screen arc surfaces is realized, and the adjusting frame can be positioned below the object stage and used for supporting the object stage.
According to the scheme, the curved surface angle image and/or the round hole image of the curved surface screen to be detected are acquired in a segmented mode through the optical mechanism comprising the camera and the high power lens, and the curved surface angle image and/or the round hole image are sent to the image processor; the driving mechanism drives the optical mechanism and/or an object stage on which the curved screen to be detected is placed, so that the collection area of the curved angle image and/or the round hole image is switched; the image processor outputs the curved surface screen defect result according to the curved surface angle image and/or the round hole image, the depth of field of the lens can be fully utilized, the shooting frequency is reduced, vertical continuous shooting of different curved surface areas is realized, the detection efficiency and precision of the curved surface screen defect are improved, the mass production process of the curved surface screen defect detection is facilitated, and the product yield is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a detection device of curved surface screen defect which characterized in that, detection device of curved surface screen defect includes:
the optical mechanism comprises a camera and a high power lens and is used for acquiring a curved surface angle image and/or a round hole image of the curved surface screen to be detected in a segmented mode and sending the curved surface angle image and/or the round hole image to the image processor;
the driving mechanism is used for driving the optical mechanism and/or an object stage on which the curved screen to be detected is placed, so that the collection area of the curved angle image and/or the round hole image is switched;
and the image processor is used for outputting a curved surface screen defect result according to the curved surface angle image and/or the round hole image.
2. The apparatus according to claim 1, wherein the driving mechanism is further configured to adjust a Z-axis of the optical mechanism, so as to adjust an object distance of the camera when the camera captures images of different regions of the curved angle of the curved screen to be detected.
3. The device for detecting defects of a curved screen as claimed in claim 1, wherein the optical mechanism is composed of a camera, a lens and an annular light source when the optical mechanism sectionally collects the circular hole image of the curved screen to be detected.
4. The apparatus for detecting defects of a curved panel as claimed in claim 3, wherein the annular light source is a dark field zonal illumination annular light source, and the illumination direction of the annular light source is perpendicular to the crack direction of the curved panel to be detected.
5. The device for detecting defects of a curved screen as claimed in claim 1, wherein the driving mechanism drives the curved screen to be detected and/or the optical mechanism to move in the horizontal direction, so that each section of the circular hole area of the curved screen to be detected is positioned in the visual field of the optical mechanism.
6. The curved screen defect detecting device according to claim 1, wherein the optical mechanism is composed of a camera, a lens and a coaxial light source when the optical mechanism is used for sectionally collecting the curved angle image in the curved screen to be detected.
7. The device for detecting defects of a curved screen as claimed in claim 1, wherein the driving mechanism drives the optical mechanism and/or the object stage to adjust the relative inclination angle between each section of the curved surface to be detected of the curved screen angle to be detected and the optical mechanism, so that the central axis of the camera viewing angle is perpendicular to the tangent plane of the curved surface to be detected currently.
8. The curved panel defect detecting apparatus according to claim 1, wherein said curved panel defect detecting apparatus further comprises:
and the automatic focusing mechanism is used for automatically adjusting the object distance when the camera acquires the angle image and/or the round hole image of each section of the curved surface.
9. The apparatus for detecting defects of a curved screen as claimed in claim 1, wherein the lens of the optical mechanism is a fixed-magnification or variable-magnification lens.
10. The curved panel defect detecting apparatus according to claim 1, wherein said curved panel defect detecting apparatus further comprises:
and the adjusting frame is used for adjusting the vertical distance and/or the inclination angle of the object stage and the optical mechanism.
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| CN202022222774.2U CN213456719U (en) | 2020-09-30 | 2020-09-30 | Detection apparatus for curved surface screen defect |
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| CN202022222774.2U CN213456719U (en) | 2020-09-30 | 2020-09-30 | Detection apparatus for curved surface screen defect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113677981A (en) * | 2021-07-06 | 2021-11-19 | 香港应用科技研究院有限公司 | Flexible display inspection system |
| CN114166854A (en) * | 2021-12-09 | 2022-03-11 | 苏州华星光电技术有限公司 | Curved surface screen defect detection method and detection device |
| CN114348549A (en) * | 2021-12-09 | 2022-04-15 | 苏州曼柯精密部件有限公司 | Curved surface spraying quality detection device |
| CN114428078A (en) * | 2021-12-07 | 2022-05-03 | 广州超音速自动化科技股份有限公司 | Motor camera-equipped motion image acquisition method and system |
| CN115371966A (en) * | 2022-08-22 | 2022-11-22 | 广东省晶鸿电子有限公司 | Curved surface display screen defect detecting equipment |
| CN115546111A (en) * | 2022-09-13 | 2022-12-30 | 武汉海微科技有限公司 | Curved screen detection method, device, equipment and storage medium |
| WO2023279425A1 (en) * | 2021-07-06 | 2023-01-12 | Hong Kong Applied Science and Technology Research Institute Company Limited | Flexible display inspection system |
| CN117169235A (en) * | 2023-09-01 | 2023-12-05 | 上海仪电智能科技有限公司 | Defect detection device of display panel and operation method |
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2020
- 2020-09-30 CN CN202022222774.2U patent/CN213456719U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677981A (en) * | 2021-07-06 | 2021-11-19 | 香港应用科技研究院有限公司 | Flexible display inspection system |
| WO2023279425A1 (en) * | 2021-07-06 | 2023-01-12 | Hong Kong Applied Science and Technology Research Institute Company Limited | Flexible display inspection system |
| CN113677981B (en) * | 2021-07-06 | 2024-04-30 | 香港应用科技研究院有限公司 | Flexible display inspection system |
| CN114428078A (en) * | 2021-12-07 | 2022-05-03 | 广州超音速自动化科技股份有限公司 | Motor camera-equipped motion image acquisition method and system |
| CN114428078B (en) * | 2021-12-07 | 2023-11-24 | 广州超音速自动化科技股份有限公司 | Method and system for drawing motion of motor with lens |
| CN114166854A (en) * | 2021-12-09 | 2022-03-11 | 苏州华星光电技术有限公司 | Curved surface screen defect detection method and detection device |
| CN114348549A (en) * | 2021-12-09 | 2022-04-15 | 苏州曼柯精密部件有限公司 | Curved surface spraying quality detection device |
| CN115371966A (en) * | 2022-08-22 | 2022-11-22 | 广东省晶鸿电子有限公司 | Curved surface display screen defect detecting equipment |
| CN115546111A (en) * | 2022-09-13 | 2022-12-30 | 武汉海微科技有限公司 | Curved screen detection method, device, equipment and storage medium |
| CN115546111B (en) * | 2022-09-13 | 2023-12-05 | 武汉海微科技有限公司 | Curved surface screen detection method, device, equipment and storage medium |
| CN117169235A (en) * | 2023-09-01 | 2023-12-05 | 上海仪电智能科技有限公司 | Defect detection device of display panel and operation method |
| CN117169235B (en) * | 2023-09-01 | 2024-04-26 | 上海仪电智能科技有限公司 | Defect detection device of display panel and operation method |
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