CN212586269U - Multi-view detection device and system for display panel - Google Patents
Multi-view detection device and system for display panel Download PDFInfo
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- CN212586269U CN212586269U CN202021035122.1U CN202021035122U CN212586269U CN 212586269 U CN212586269 U CN 212586269U CN 202021035122 U CN202021035122 U CN 202021035122U CN 212586269 U CN212586269 U CN 212586269U
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Abstract
The embodiment of the utility model discloses display panel's multi-view detection device and detecting system, detection device includes: the device comprises at least two side visual angle detection modules and a direction adjusting module. Each side-view angle detection module comprises an image acquisition unit and an image processing unit; the image acquisition unit is used for acquiring a display picture of the display panel to be detected, and the image processing unit is used for determining the display picture parameter of the display panel to be detected; at least one side viewing angle detection module still includes the shift unit, connects between image acquisition unit and image processing unit for adjust the image processing unit with the angle between the image acquisition unit. The direction adjusting module is used for adjusting the light transmission direction of the display picture of the display panel to be detected. The embodiment of the utility model provides a technical scheme is convenient for adjust test angle, has shortened the whole time that detects, has reduced detection device's occupation space, has improved detection efficiency.
Description
Technical Field
The embodiment of the utility model provides a relate to display screen visual detection field technical field, especially relate to a display panel's multi-view detection device and detecting system.
Background
When the display panel needs multi-view detection, multiple cameras are generally used for multi-angle shooting, the display condition of the display panel under multiple views is collected, and therefore the defects of the display panel under different observation angles are detected.
Fig. 1 is a schematic structural diagram of a multi-view detection apparatus for a display panel provided in the prior art; referring to fig. 1, multi-view detection device includes main camera 1 and two at least camera 2 that look sideways at, the angle that looks sideways at camera 2 detection in the multi-camera detection scheme is required generally is adjustable (squint 45 degrees, adjustable range is plus or minus 15 degrees), make and look sideways at the interval between the camera 2 far away, fixed a plurality of camera 2 occupation spaces that look sideways at are very big, and can't accomplish the whole focuses (far side edge is blurred) of display panel P because of the depth of field reason when the squint is shot, need be through reducing camera lens diaphragm, increase exposure time and realize whole focuses, angle adjustment is inconvenient, influence the whole time that detects, lead to detection efficiency to reduce.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a display panel's multi-view detection device and detecting system to in adjustment test angle shortens the whole time that detects, reduces detecting device's occupation space, improves detection efficiency.
In a first aspect, an embodiment of the present invention provides a multi-view detection device for a display panel, including a main view detection module, the multi-view detection device further includes:
the system comprises at least two side viewing angle detection modules, a display module and a display module, wherein each side viewing angle detection module comprises an image acquisition unit and an image processing unit; the image acquisition unit is used for acquiring a display picture of a display panel to be detected, and the image processing unit is used for receiving the display picture, processing the display picture and determining display picture parameters of the display panel to be detected; the side-view angle detection module also comprises a shift unit which is connected between the image acquisition unit and the image processing unit; the shaft shifting unit is used for adjusting the angle between the image processing unit and the image acquisition unit;
the direction adjusting module is used for adjusting the light transmission direction of the display picture of the display panel to be detected, and the shift unit and the direction adjusting module enable the plane of the image of the display picture in the direction adjusting module, the central plane of the image acquiring unit and the plane of the display picture received by the image processing unit to be intersected in a straight line.
Optionally, the direction adjusting module includes:
at least one pair of planar mirror plates; the pair of plane reflection lenses are arranged on two opposite sides of the display panel to be detected, each plane reflection lens and the side viewing angle detection module are located on one side of the display panel to be detected, and the plane reflection lenses are used for adjusting the light transmission direction of the display picture of the display panel to be detected.
Optionally, the distance between the planar mirror and the adjacent edge of the display panel to be tested is at least 10mm along the first direction; wherein the first direction is a horizontal direction in which one of the plane mirror plates is directed to the other of the plane mirror plates.
Optionally, the length of the planar mirror along the second direction is at least 10mm greater than the length of the display panel to be tested along the first direction; the length of the plane reflection lens along the third direction is at least 10mm greater than that of the display panel to be tested along the third direction; the second direction is the thickness direction of the display panel to be detected; the third direction is perpendicular to the first direction.
Optionally, the direction adjusting module further includes:
at least one pair of angle adjustment motors; each angle adjusting motor is connected with one end, close to the display panel to be detected, of one planar reflector in a one-to-one corresponding mode; the angle adjusting motor is used for adjusting an included angle between the plane where the plane reflection lens is located and the second direction.
Optionally, an included angle between the plane of the plane mirror plate and the second direction is less than or equal to 15 °.
Optionally, the image acquiring unit includes a lens, and a central plane of the lens is a central plane of the image acquiring unit; and an included angle between the central plane of the lens and the plane of the display panel to be detected is adjustable.
Optionally, the image processing unit includes a photosensitive chip, a plane where the photosensitive chip is located is a plane where the display image is located and received by the image processing unit, and an included angle between the plane where the photosensitive chip is located and the plane where the display panel to be detected is located is fixed.
Optionally, an included angle between the plane where the photosensitive chip is located and the plane where the display panel to be tested is located is 45 °.
In a second aspect, an embodiment of the present invention provides a detection system, including the multi-view detection apparatus for a display panel according to any one of the first aspect.
The embodiment of the utility model provides a display panel's multi-view detection device includes: the device comprises at least two side visual angle detection modules and a direction adjusting module. At least one side look angle detection module includes the tilt shift unit, and the side look angle detection module can adjust the detection angle of side look angle detection module through the tilt shift unit. The direction adjusting module is used for adjusting the light transmission direction of the display picture of the display panel to be detected. The embodiment of the utility model provides a technical scheme realizes display panel's multi-view through shift unit and direction adjustment module and detects, has avoided putting the big problem of detection device occupation space among the prior art, also need not reduce the camera lens light ring and increase the exposure. The test angle is convenient to adjust, the whole detection time is shortened, the occupied space of the detection device is reduced, and the detection efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a multi-view detection apparatus for a display panel provided in the prior art;
fig. 2 is a schematic structural diagram of a multi-view detection apparatus for a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a multi-view detection apparatus for a display panel according to another embodiment of the present invention;
fig. 4 is an optical path diagram of an image formed by the detection apparatus provided by the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment of the utility model provides a display panel's multi-visual angle detection device, fig. 2 is the utility model provides a pair of display panel's multi-visual angle detection device's that embodiment provides structural schematic diagram refers to fig. 2, and multi-visual angle detection device includes main visual angle detection module 10, still includes:
at least two side view angle detection modules 20, each side view angle detection module 20 including an image acquisition unit 22 and an image processing unit 21; the image acquisition unit 22 is configured to acquire a display picture of the display panel a to be tested, and the image processing unit 21 is configured to receive the display picture and process the display picture to determine a display picture parameter of the display panel a to be tested; the at least one side view angle detection module 20 further comprises a shift unit 23 connected between the image acquisition unit 22 and the image processing unit 21; the shift unit 23 is used for adjusting the angle between the image processing unit 21 and the image acquisition unit 22;
the direction adjusting module 30 is configured to adjust a light transmission direction of a display frame of the display panel a to be tested, and the shift unit 23 and the direction adjusting module 30 enable a plane of an image of the display frame in the direction adjusting module 30, a central plane of the image obtaining unit 22, and a plane of the display frame received by the image processing unit 21 to intersect in a straight line.
Specifically, the main visual angle detection module 10 may be set right at the display screen of the display panel a to be detected, and light emitted from the display image of the display panel a to be detected vertically enters the image acquisition unit 22 of the main visual angle detection module 10, that is, the main visual angle detection module 10 is used to detect the display condition of the display panel to be detected when the display panel a to be detected is looked right. At least two side view angle detection module 20 are located main visual angle detection module 10's week side to side view angle detection module 20 becomes certain angle setting with the display screen that awaits measuring display panel A, and the light that awaits measuring display panel A's display screen sent takes in side view angle detection module 20's image acquisition unit 22 with certain angle, and side view angle detection module 20 is used for detecting the display condition of the display panel that awaits measuring when looking sideways at display panel A promptly. The side view angle detection modules 20 may be disposed at regular intervals on the circumferential side of the main view angle detection module 10. For example, when two side viewing angle detecting modules 20 are included, the two side viewing angle detecting modules 20 are symmetrically disposed at the left and right sides of the main viewing angle detecting module 10 (refer to fig. 1). Through the comprehensive detection of the side viewing angle detection module 20 and the main viewing angle detection module 10, most of the observation angles of the display picture of the display panel to be detected can be covered, so that the bad detection of the display panel to be detected under different observation angles can be realized. The side view angle detection modules 20 may be disposed at different intervals on the peripheral side of the main view angle detection module 10, and the interval between the side view angle detection module 20 and the side view angle detection module 20 is not limited herein.
The shift unit 23 may enable the image acquisition unit 22 to perform functions of inclination and offset, thereby adjusting the angle between the image processing unit 21 and the image acquisition unit 22. For example, the side view angle detecting module 20 with the shift unit 23 may be a shift camera, and the shift camera is mainly characterized in that the lens (or the lens plate for mounting the lens) and the back for mounting the film can be shifted or twisted through a flexible connector (such as a leather cavity) to change the perspective effect and the definition range of the image. The use of the shift unit 23 can reduce the distance between the side view angle detection module 20 and the main view angle detection module 10 on the basis of ensuring that the display panel is bad when the side view angle detection module 20 detects the side view angle of the display panel to be detected, thereby reducing the occupied space of the detection device. The side view angle detection module 20 having the shift unit 23 may be one or two.
In addition, the direction adjusting module 30 of the multi-view detecting device is used for adjusting the light transmission direction of the display image of the display panel a to be detected. In display panel's multi-view angle detection device testing process, the embodiment of the utility model provides a technical scheme is through the test angle that moves axle unit 23 adjustment side viewing angle detection module 20 to through the adjustment of direction adjustment module 30 to the light transmission direction of the display screen of display panel A that awaits measuring, make the image place plane of display screen in direction adjustment module 30, the central plane of image acquisition unit 22 and the display screen place plane that image processing unit 21 received intersect in a straight line, make image acquisition unit 22 obtain clear detection picture. The image processing unit 21 receives the display image of the display panel a to be detected acquired by the image acquiring unit 22, processes the display image, and determines the display image parameters of the display panel a to be detected, thereby realizing the detection of the display panel a to be detected. Because at least one looks sideways at angle detection module 20 and has shift unit 23 to combine direction adjustment module 20's cooperation can obtain clear detection picture, avoided putting among the prior art and looked sideways at the big problem of camera occupation space, also need not reduce the lens diaphragm, increase the exposure. The embodiment of the utility model provides a technical scheme is convenient for adjust test angle, has shortened the whole time that detects, has reduced detection device's occupation space, has improved detection efficiency.
Optionally, fig. 3 is a schematic structural diagram of a multi-view detection apparatus for another display panel provided in an embodiment of the present invention, and referring to fig. 3, the direction adjustment module 30 includes:
at least one pair of plane mirror plates 31; the pair of plane mirrors 31 are disposed on two opposite sides of the display panel a to be measured, each of the plane mirrors 31 and the one-side viewing angle detection module 20 are located on one side of the display panel a to be measured, and the plane mirrors 31 are used to adjust a light transmission direction of a display image of the display panel a to be measured.
Specifically, the side view angle detecting module 20 receives light rays of the display image reflected by the flat mirror 31 on the opposite side, that is, the side view angle detecting module 20 is configured to correspondingly collect images of the display panel a to be measured, which are displayed by the flat mirror 31 on the opposite side. The image formed by the plane mirror 31 is used as the plane of the image in the direction adjustment module 30, and the angle of the plane mirror 31 is adjusted to match the shift unit 23 to adjust the angle of the image acquisition unit 22, so that the plane of the image formed by the plane mirror 31, the central plane of the image acquisition unit 22, and the plane of the display image received by the image processing unit 21 intersect in a straight line, so that the image processing unit 21 obtains a clear display image.
Preferably, at least one pair of plane reflection lenses 31 are symmetrically disposed on two sides of the display panel a to be detected, and a shift unit 23 is connected between the image acquisition unit 22 and the image processing unit 21 of each side view angle detection module 20, so as to further satisfy the requirement of detecting the display panel a to be detected in multiple viewing angles of the detection device, and reduce the occupied space of the device.
Optionally, with continued reference to fig. 3, the plane mirror 31 is at least 10mm away from the adjacent edge of the display panel to be tested along the first direction X; the first direction X is a horizontal direction in which one of the plane mirrors 31 points to the other plane mirror 31.
Specifically, different display panel a's that awaits measuring size may have certain deviation, leaves at least 10 mm's space between plane mirror piece 31 and the display panel a that awaits measuring, can guarantee that each display panel a that awaits measuring can all place between a pair of plane mirror piece that sets up relatively, avoids still needing to adjust the distance between the plane mirror piece 31 and increase the check-out time when carrying out next time and detecting.
Optionally, with reference to fig. 3, the length of the plane mirror 31 along the second direction Y is at least 10mm greater than the length of the display panel to be tested along the first direction X; the length of the plane reflection lens 31 along the third direction Z is at least 10mm greater than that of the display panel A to be tested along the third direction Z; the second direction Y is the thickness direction of the display panel A to be tested; the third direction Z is perpendicular to the first direction X.
Specifically, the length of the plane mirror 31 along the second direction Y is at least 10mm greater than the length of the display panel a to be tested along the first direction X, so that the display picture of the display panel a to be tested along the first direction X can be displayed on the second direction Y of the plane mirror; the length of the plane mirror 31 in the third direction Z is greater than that of the display panel a to be tested by at least 10mm, and the two ends of the plane mirror 31 in the third direction Z protrude out of the two ends of the display panel a to be tested in the third direction Z, so that the display image of the display panel a to be tested in the third direction Z can be displayed in the third direction Z of the plane mirror 31. Therefore, the integrity of the display picture of the display panel A to be detected in the plane mirror 31 is ensured, and the integrity of the determined display picture parameter of the display panel A to be detected is further ensured.
Optionally, with continued reference to fig. 3, the direction adjustment module 30 further includes:
at least one pair of angle adjustment motors 32; each angle adjusting motor 32 is correspondingly connected with one end of a plane mirror 31 close to the display panel A to be detected; the angle adjusting motor 32 is used for adjusting an included angle between the plane of the plane mirror 31 and the second direction Y.
Specifically, fig. 4 is a light path diagram of detection device formation of image that the embodiment of the utility model provides a, refer to fig. 4, combine fig. 3, the contained angle of angle adjustment motor 32 can adjust plane mirror 31 place plane and second direction Y, obtain the image of the display panel a that awaits measuring different angles in plane mirror 31, combine shift unit 23 to adjust the angle of image acquisition unit 22, make the display panel a that awaits measuring display frame image B place plane in plane mirror 31, the point that looks at the straight line is looked when crossing three sides in a straight line to the central plane of image acquisition unit 22 and the real image C place plane of the display frame that image processing unit 21 received intersect in a straight line (nodical O), so that image processing unit 21 obtains clear display frame. In addition, the angle adjusting motor 32 can record the position of the display panel A during each detection, detection of the same detection angle can be performed, the adjusting mechanism for detecting different angles of the display panel A to be detected is simplified, and the accuracy of the displayed picture parameters is improved.
Optionally, the angle between the plane of the plane mirror plate 31 and the second direction Y is smaller than or equal to 15 °.
Specifically, when the angle of the plane mirror is adjusted to 0 ° by the angle adjusting motor 32, the plane mirror 31 is perpendicular to the plane of the display panel a to be measured, the absolute value of the angle of the plane mirror adjusted by the angle adjusting motor 32 is less than or equal to 15 °, that is, the plane mirror 31 can tilt to the left by 15 ° on the basis of the second direction Y, and can tilt to the right by 15 ° on the basis of the second direction Y, at this time, the angle range of the plane of the image B of the display screen of the display panel a to be measured in the plane mirror 31 and the plane of the display panel a to be measured can be increased, so that the plane of the image B of the display screen of the display panel a to be measured in the plane mirror 31, the central plane of the image acquiring unit 22, and the plane of the real image C of the display screen received by the image processing unit 21 intersect in a larger angle range, the requirements of different angle detection are met.
Optionally, the image acquiring unit 22 includes a lens, and a central plane of the lens is a central plane of the image acquiring unit 22; the included angle between the central plane of the lens and the plane of the display panel A to be detected is adjustable.
Specifically, the lens may be a camera lens of a camera, or may be a camera lens of a mobile phone, as long as the display image of the display panel a to be tested is acquired, and the type of the lens is not limited herein. The central plane of the lens is the central plane of the lenses that make up the lens. For example, when the lens is composed of a convex lens, the central plane of the lens is the plane of the axis of the convex lens. The included angle between the central plane of the lens and the plane of the display panel a to be detected can be adjusted by the shift unit 23, and the angle between the image processing unit 21 and the image acquisition unit 22 can be adjusted by the shift unit 23 by adjusting the included angle between the central plane of the lens and the plane of the display panel a to be detected.
Optionally, the image processing unit 21 includes a photosensitive chip, a plane where the photosensitive chip is located is a plane where the display image received by the image processing unit 21 is located, and an included angle between the plane where the photosensitive chip is located and a plane where the display panel a to be detected is located is fixed.
Specifically, the plane where the photosensitive chip is located is the surface of the photosensitive chip, the photosensitive chip can be a Charge Coupled Device (CCD), is made of a semiconductor material with high sensitivity, can convert light into charges, converts the charges into digital signals through an analog-to-digital converter chip, converts received optical signals into electrical signals, and determines corresponding display picture parameters according to different electrical signals, thereby realizing the detection of the display panel to be detected. The digital signal, i.e. the picture parameters, are compressed and stored by a flash memory or a built-in hard disk card inside the camera, so that the data can be transmitted to a computer. The CCD is composed of many photosensitive units, usually in mega pixels, and when the surface of the CCD is irradiated by light, each photosensitive unit will reflect the charge on the component, and the signals generated by all the photosensitive units are added together to form a complete picture.
Optionally, an included angle between the plane where the photosensitive chip is located and the plane where the display panel a to be tested is located is 45 °.
The human eye sees display panel comparatively comfortable with 45 degrees (plus or minus 15 degrees) contained angle within range of strabismus, consequently, looks sideways at the contained angle between the plane of image processing unit 21 place of angle detection module 20 and the display panel A place plane that awaits measuring and is fixed 45, and the contained angle between the plane that sensitization chip place and the display panel A place plane that awaits measuring is 45 promptly, satisfies and looks sideways at the detection of 45 to the display panel that awaits measuring. The included angle between the plane of image acquisition unit 22 of side viewing angle detection module 20 and the plane of display panel A that awaits measuring is adjustable, therefore on the basis that the absolute value of the angle through angle adjustment motor 32 adjustment plane mirror piece is less than or equal to 15, combine shift unit 23 to the regulation of image acquisition unit 22 angle, side viewing angle detection module 20 can carry out the detection of the contained angle scope of plus or minus 15 degrees on the basis of squinting 45 degrees, thereby can realize on the bad basis of display panel when guaranteeing that side viewing angle detection module 20 detects the display panel side viewing angle that awaits measuring, reduce the distance between side viewing angle detection module 20 and main viewing angle detection module 10, reduced detection device's occupation space when having realized side viewing angle detection module fixed position.
The embodiment of the utility model provides a detecting system is still provided, include as above-mentioned arbitrary embodiment display panel's multi-view detection device, have the same technological effect, no longer describe here.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a multi-view detection device of display panel, includes main visual angle detection module, its characterized in that still includes:
the system comprises at least two side viewing angle detection modules, a display module and a display module, wherein each side viewing angle detection module comprises an image acquisition unit and an image processing unit; the image acquisition unit is used for acquiring a display picture of a display panel to be detected, and the image processing unit is used for receiving the display picture, processing the display picture and determining display picture parameters of the display panel to be detected; the side-view angle detection module also comprises a shift unit which is connected between the image acquisition unit and the image processing unit; the shaft shifting unit is used for adjusting the angle between the image processing unit and the image acquisition unit;
the direction adjusting module is used for adjusting the light transmission direction of the display picture of the display panel to be detected, and the shift unit and the direction adjusting module enable the plane of the image of the display picture in the direction adjusting module, the central plane of the image acquiring unit and the plane of the display picture received by the image processing unit to be intersected in a straight line.
2. The apparatus of claim 1, wherein the direction adjustment module comprises:
at least one pair of planar mirror plates; the pair of plane reflection lenses are arranged on two opposite sides of the display panel to be detected, each plane reflection lens and the side viewing angle detection module are located on one side of the display panel to be detected, and the plane reflection lenses are used for adjusting the light transmission direction of the display picture of the display panel to be detected.
3. The multi-view detection apparatus for a display panel according to claim 2, wherein the plane mirror is at least 10mm away from the adjacent edge of the display panel to be detected along the first direction; wherein the first direction is a horizontal direction in which one of the plane mirror plates is directed to the other of the plane mirror plates.
4. The apparatus for multi-view detection of a display panel according to claim 3, wherein the length of the plane mirror along the second direction is at least 10mm greater than the length of the display panel under test along the first direction; the length of the plane reflection lens along the third direction is at least 10mm greater than that of the display panel to be tested along the third direction; the second direction is the thickness direction of the display panel to be detected; the third direction is perpendicular to the first direction.
5. The apparatus for detecting multiple viewing angles of a display panel according to claim 4, wherein the direction adjustment module further comprises:
at least one pair of angle adjustment motors; each angle adjusting motor is connected with one end, close to the display panel to be detected, of one planar reflector in a one-to-one corresponding mode; the angle adjusting motor is used for adjusting an included angle between the plane where the plane reflection lens is located and the second direction.
6. The apparatus of claim 5, wherein an angle between a plane of the planar mirror and the second direction is less than or equal to 15 °.
7. The multi-view detection apparatus of a display panel according to claim 1, wherein the image capturing unit includes a lens, a central plane of the lens being a central plane of the image capturing unit; and an included angle between the central plane of the lens and the plane of the display panel to be detected is adjustable.
8. The device according to claim 7, wherein the image processing unit comprises a photosensitive chip, a plane of the photosensitive chip is a plane of the display image received by the image processing unit, and an included angle between the plane of the photosensitive chip and a plane of the display panel to be detected is fixed.
9. The device as claimed in claim 8, wherein an angle between a plane of the photo sensor chip and a plane of the display panel is 45 °.
10. A detection system comprising a multi-view detection apparatus of the display panel according to any one of claims 1 to 9.
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| CN112595245A (en) * | 2021-03-08 | 2021-04-02 | 深圳中科飞测科技股份有限公司 | Detection method, detection system, and non-volatile computer-readable storage medium |
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| CN112595245A (en) * | 2021-03-08 | 2021-04-02 | 深圳中科飞测科技股份有限公司 | Detection method, detection system, and non-volatile computer-readable storage medium |
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