CN204989681U - Acquire LCD screen detection images's device - Google Patents
Acquire LCD screen detection images's device Download PDFInfo
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- CN204989681U CN204989681U CN201520788559.5U CN201520788559U CN204989681U CN 204989681 U CN204989681 U CN 204989681U CN 201520788559 U CN201520788559 U CN 201520788559U CN 204989681 U CN204989681 U CN 204989681U
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- liquid crystal
- crystal display
- detected
- light source
- camera
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Abstract
The utility model discloses an acquire LCD screen detection images's device, include: light a lamp tool and first camera, the LCD screen is waited to detect in the support the tool of lighting a lamp is equipped with first light source, secondary light source and third light source, first light source is located the upper surface of waiting to detect the LCD screen for it provides the sidelight to detect the LCD screen in order to wait, the secondary light source is located the lower surface of waiting to detect the LCD screen for it provides down the sidelight to detect the LCD screen in order to wait, the third light source be located wait to detect the LCD screen with the following of tool lights a lamp for it provides in a poor light to detect the LCD screen in order to wait, first camera with wait to detect LCD screen place graphic settings and become to preset the angle for the collection is waited to detect looking sideways at of LCD screen and is observed a type defect image, wherein, it is greater than 0 degree and be less than 90 degrees to predetermine the angle. The utility model discloses replace artifical detection, improved detection speed, detection efficiency, practiced thrift the cost of labor.
Description
Technical field
The utility model relates to field of machinery automation, is specifically related to a kind of device obtaining liquid crystal display detected image.
Background technology
The production run of liquid crystal display comprises nearly hundreds of procedure, although most of operation of liquid crystal display completes in dust free room, inevitably produces some defects.For the detection of these defects, existing technology is the mode by manual detection, and artificially change detection picture, detects the defect of each picture by human eye, finally complete the detection to liquid crystal display defect.But human eye observes a certain things for a long time, very easily cause undetected and flase drop, and detection speed is slow, thus have impact on whole work efficiency.
Utility model content
Undetected and flase drop is very easily caused for during manual detection liquid crystal display, and the problem that detection speed is slow, the utility model proposes a kind of device obtaining liquid crystal display detected image.
The utility model proposes a kind of device obtaining liquid crystal display detected image, comprising: lighting jig and first camera;
The described lighting jig supporting liquid crystal display to be detected is provided with the first light source, secondary light source and the 3rd light source;
Described first light source is positioned at the upper surface of liquid crystal display to be detected, for providing upper sidelight for liquid crystal display to be detected;
Described secondary light source is positioned at the lower surface of liquid crystal display to be detected, for providing lower sidelight for liquid crystal display to be detected;
Described 3rd light source is positioned at below liquid crystal display to be detected and described lighting jig, and is connected with the bottom surface of described lighting jig, for providing backlight for liquid crystal display to be detected;
Described first camera and liquid crystal display place to be detected plane are arranged to predetermined angle, observe class defect image for the side-looking gathering liquid crystal display to be detected;
Wherein, described predetermined angle is greater than 0 degree and is less than 90 degree.
Preferably, also second camera is comprised;
Gather the described second camera facing and observe class defect image and liquid crystal display place to be detected plane orthogonal is arranged, and described first camera is between described second camera and liquid crystal display to be detected.
Preferably, also comprise the first support, described first support is arcuate structure, between described second camera and liquid crystal display to be detected.
Preferably, also comprise the second support, described second support and liquid crystal display place to be detected plane orthogonal are arranged, and described second camera is along described second support-moving.
Preferably, first camera is two, is arranged at the both sides of described second support respectively, and is connected with described first support.
Preferably, two first cameras move along the camber line of described first support;
Wherein, described camber line is the outer side edges of the arcuate structure of described first support.
Preferably, two first cameras are symmetricly set in the both sides of described second support, and are arranged to 45 degree with liquid crystal display place to be detected plane.
Preferably, described first light source and described secondary light source are strip, and described 3rd light source is plane;
Two the first source symmetric are arranged at first side and the second side of liquid crystal display to be detected;
Two secondary light sources are symmetricly set in the 3rd side and four side of liquid crystal display to be detected.
As shown from the above technical solution, the device of the acquisition liquid crystal display detected image that the utility model proposes is without the need to manual intervention, detection screen is directly placed on the detection system, lighting jig automatically switches and detects picture, automatically the defect of each picture is detected, testing result is sent to master control system simultaneously, by master control system, testing result is gathered, the optical detection of liquid crystal display can be completed.Instead of manual detection, improve detection speed, detection efficiency, save cost of labor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these figure.
A kind of front view obtaining the structure drawing of device of liquid crystal display detected image that Fig. 1 provides for the utility model one embodiment;
A kind of vertical view obtaining the structure drawing of device of liquid crystal display detected image that Fig. 2 provides for the utility model one embodiment;
A kind of left view obtaining the structure drawing of device of liquid crystal display detected image that Fig. 3 provides for the utility model one embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
Fig. 1 shows a kind of front view obtaining the structure drawing of device of liquid crystal display detected image that the utility model one embodiment provides, and comprising: lighting jig 3 and first camera 2;
The described lighting jig 3 supporting liquid crystal display 4 to be detected is provided with the first light source 5, secondary light source 6 and the 3rd light source 7;
Described first light source 5 is positioned at the upper surface of liquid crystal display 4 to be detected, for providing upper sidelight for liquid crystal display to be detected;
Described secondary light source 6 is positioned at the lower surface of liquid crystal display 4 to be detected, for providing lower sidelight for liquid crystal display to be detected;
Described 3rd light source 7 is positioned at below liquid crystal display 4 to be detected and described lighting jig 3, and is connected with the bottom surface of described lighting jig 3, for providing backlight for liquid crystal display to be detected;
Described first camera 2 is arranged to predetermined angle with liquid crystal display 4 place to be detected plane, observes class defect image for the side-looking gathering liquid crystal display to be detected;
Wherein, described predetermined angle is greater than 0 degree and is less than 90 degree.
The device of the acquisition liquid crystal display detected image of the present embodiment instead of manual detection method, improves detection speed, detection efficiency, has saved cost of labor.
As the preferred version of the present embodiment, also comprise second camera 1;
Gather the described second camera 1 facing observation class defect image to arrange with liquid crystal display 4 place to be detected plane orthogonal, and described first camera 2 is between described second camera 1 and liquid crystal display to be detected 4.
Further, also comprise the first support, described first support is arcuate structure, between described second camera 1 and liquid crystal display to be detected 4.
For example, also comprise the second support, described second support and liquid crystal display to be detected 4 place plane orthogonal are arranged, and described second camera 1 is along described second support-moving.
Further, first camera is two, is arranged at the both sides of described second support respectively, and is connected with described first support.
For example, two first cameras move along the camber line of described first support;
Wherein, described camber line is the outer side edges of the arcuate structure of described first support.
Particularly, two first cameras are symmetricly set in the both sides of described second support, and are arranged to 45 degree with liquid crystal display 4 place to be detected plane.
Further, described first light source 5 and described secondary light source 6 are strip, and described 3rd light source 7 is plane; Two the first source symmetric are arranged at first side and the second side of liquid crystal display 4 to be detected, and two secondary light sources are symmetricly set in the 3rd side and four side of liquid crystal display 4 to be detected.
Composition graphs 1,2,3 illustrates, the device obtaining liquid crystal display detected image is made up of depending on camera 1, side-looking camera 2, lighting jig 3, upper side light source 5, lower side light source 6, backlight 7 main.Wherein master is positioned at directly over liquid crystal display 4 to be detected depending on camera 1, is used for collection to face and observe class defect image; Two side-looking cameras 2 are positioned at upper left side and the upper right side of liquid crystal display 4, are used for gathering side-looking and observe class defect image; Lighting jig 3 is positioned at below liquid crystal display 4, is used for placing liquid crystal display 4; Upper side light source 5 and 6 is positioned at the top of lighting jig 4, and being respectively used to provides upper sidelight and lower sidelight to detection screen 4; Backlight 7 is positioned at the below of lighting jig 4, for providing transmitted light for detecting screen.
In order to be described in more detail the device obtaining liquid crystal display detected image, below the method obtaining liquid crystal display detected image being further described, comprising:
S101, the lighting jig supporting liquid crystal display to be detected open the first light source, secondary light source and the 3rd light source automatically, and the detection picture of the liquid crystal display to be detected that automatically switches according to default transfer sequence;
Class defect image is observed in the side-looking that S102, first camera gather each detection picture;
S103, second camera gather facing of each detection picture and observe class defect image.
Obtain the method for liquid crystal display detected image without the need to manual intervention, liquid crystal display to be detected is directly placed on lighting jig, lighting jig is automatically lighting and automatically switch and detect picture just, and facing needed for the optical detection of automatic acquisition liquid crystal display observes class defect image and class defect image is observed in side-looking; And adopt non-contacting detection mode, examination criteria is unified, reliability and robustness high; Whole mechanism operation is simple, flexible; Improve detection speed and efficiency, save cost of labor; Automatically switch and detect the setting of picture, improve detection speed; Reduce loss and false drop rate to a certain extent, improve work efficiency.
Particularly, also comprise: each facing is observed to class defect image and each side-looking and observed class defect image and carry out analyzing and processing, obtains the testing result of liquid crystal display to be detected, and described testing result is sent to main control end.
By automatically detecting the defect of each picture, testing result being sent to main control end simultaneously, by main control end, testing result being gathered, the optical detection of liquid crystal display can be completed.
In actual testing process, first liquid crystal display to be detected is placed on lighting jig, according to the setting order detecting picture, lighting jig automatically switches and detects picture, when being often switched to a detection picture, second camera and first camera all can be faced for this picture collection and observe class defect image and side-looking observation class defect image, and when lighting jig has switched picture according to the detection ordering of setting, all image acquisition can complete.In conjunction with related algorithm technology, analyzing and processing is carried out to the image gathered, gathers testing result, and be sent to main control end, the optical detection detecting screen can be completed.
The test problems that class defect is observed in side-looking is solved by first camera; Second camera solves the test problems faced and observe class defect; The mode of the automatic lighting of lighting jig instead of traditional artificial lighting mode, improves detection speed.
In instructions of the present utility model, describe a large amount of detail.But can understand, embodiment of the present utility model can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Claims (8)
1. obtain a device for liquid crystal display detected image, it is characterized in that, comprising: lighting jig and first camera;
The described lighting jig supporting liquid crystal display to be detected is provided with the first light source, secondary light source and the 3rd light source;
Described first light source is positioned at the upper surface of liquid crystal display to be detected, for providing upper sidelight for liquid crystal display to be detected;
Described secondary light source is positioned at the lower surface of liquid crystal display to be detected, for providing lower sidelight for liquid crystal display to be detected;
Described 3rd light source is positioned at below liquid crystal display to be detected and described lighting jig, and is connected with the bottom surface of described lighting jig, for providing backlight for liquid crystal display to be detected;
Described first camera and liquid crystal display place to be detected plane are arranged to predetermined angle, observe class defect image for the side-looking gathering liquid crystal display to be detected;
Wherein, described predetermined angle is greater than 0 degree and is less than 90 degree.
2. device according to claim 1, is characterized in that, also comprises second camera;
Gather the described second camera facing and observe class defect image and liquid crystal display place to be detected plane orthogonal is arranged, and described first camera is between described second camera and liquid crystal display to be detected.
3. device according to claim 2, is characterized in that, also comprises the first support, and described first support is arcuate structure, between described second camera and liquid crystal display to be detected.
4. device according to claim 3, is characterized in that, also comprises the second support, and described second support and liquid crystal display place to be detected plane orthogonal are arranged, and described second camera is along described second support-moving.
5. device according to claim 4, is characterized in that, first camera is two, is arranged at the both sides of described second support respectively, and is connected with described first support.
6. device according to claim 5, is characterized in that, two first cameras move along the camber line of described first support;
Wherein, described camber line is the outer side edges of the arcuate structure of described first support.
7. device according to claim 6, is characterized in that, two first cameras are symmetricly set in the both sides of described second support, and is arranged to 45 degree with liquid crystal display place to be detected plane.
8. device according to claim 7, is characterized in that, described first light source and described secondary light source are strip, and described 3rd light source is plane;
Two the first source symmetric are arranged at first side and the second side of liquid crystal display to be detected;
Two secondary light sources are symmetricly set in the 3rd side and four side of liquid crystal display to be detected.
Priority Applications (1)
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CN201520788559.5U CN204989681U (en) | 2015-10-13 | 2015-10-13 | Acquire LCD screen detection images's device |
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CN201520788559.5U CN204989681U (en) | 2015-10-13 | 2015-10-13 | Acquire LCD screen detection images's device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106405900A (en) * | 2016-12-09 | 2017-02-15 | 武汉精测电子技术股份有限公司 | Method and device for measuring colors of liquid crystal screen |
CN106569352A (en) * | 2015-10-13 | 2017-04-19 | 北京兆维电子(集团)有限责任公司 | Device and method for acquiring testing image of liquid crystal screen |
CN110300258A (en) * | 2019-06-18 | 2019-10-01 | 惠州旭鑫智能技术有限公司 | One kind is faced and side view autofocus system |
-
2015
- 2015-10-13 CN CN201520788559.5U patent/CN204989681U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106569352A (en) * | 2015-10-13 | 2017-04-19 | 北京兆维电子(集团)有限责任公司 | Device and method for acquiring testing image of liquid crystal screen |
CN106569352B (en) * | 2015-10-13 | 2024-01-26 | 北京兆维电子(集团)有限责任公司 | Device and method for acquiring detection image of liquid crystal display |
CN106405900A (en) * | 2016-12-09 | 2017-02-15 | 武汉精测电子技术股份有限公司 | Method and device for measuring colors of liquid crystal screen |
CN110300258A (en) * | 2019-06-18 | 2019-10-01 | 惠州旭鑫智能技术有限公司 | One kind is faced and side view autofocus system |
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Granted publication date: 20160120 Termination date: 20211013 |