CN113218622B - Detection device and method for quantum dot backlight module of display - Google Patents
Detection device and method for quantum dot backlight module of display Download PDFInfo
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- CN113218622B CN113218622B CN202110165004.5A CN202110165004A CN113218622B CN 113218622 B CN113218622 B CN 113218622B CN 202110165004 A CN202110165004 A CN 202110165004A CN 113218622 B CN113218622 B CN 113218622B
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Abstract
The invention discloses a device and a method for detecting a display quantum dot backlight module, wherein the device comprises a workbench, a detection lens, a universal ball connecting piece, an adjusting rod and a fixing plate, wherein: the fixed plate is positioned above the workbench, the lower surface of the fixed plate is connected with the workbench through a universal ball connecting piece ball, and the fixed plate is used for fixing the backlight module; the adjusting rod is arranged between the fixing plate and the workbench and used for adjusting the rotating angle of the fixing plate relative to the workbench; the detection lens is arranged on the workbench, is positioned above the fixed plate and is opposite to the backlight module on the fixed plate. According to the device and the method for detecting the quantum dot backlight module of the display, the lower surface of the fixing plate is connected with the workbench through the universal ball connecting piece, the rotating angle of the fixing plate relative to the workbench is adjusted through the adjusting rod, the angle of the backlight module relative to the X axis and/or the Y axis of the detection lens can be adjusted, and the detection precision of the backlight module is improved.
Description
Technical Field
The invention relates to the technical field of backlight module detection, in particular to a device and a method for detecting a quantum dot backlight module of a display.
Background
Backlight unit need use the detection lens to carry out the multi-angle to it in process of production and polish and detect, and this kind of detection is singly leaned on the manual work to accomplish, and workman's intensity of labour is big, and low in labor efficiency produces bad product moreover easily.
The application publication numbers are: chinese patent CN107621353A discloses "a backlight unit detects platform", makes backlight unit relative detection camera lens rotate through rotating middle mounting plate, accomplishes the multi-angle and beats light and detect, and the weak point of this patent lies in: the rotating shaft of the middle placing plate is fixed, so that the angle of the backlight module relative to the detection lens is limited, and the detection precision is low.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a detection device and a detection method for a quantum dot backlight module of a display.
The invention provides a device and a method for detecting a quantum dot backlight module of a display, which comprises a workbench, a detection lens, a universal ball connecting piece, an adjusting rod and a fixing plate, wherein:
the fixed plate is positioned above the workbench, the lower surface of the fixed plate is connected with the workbench through a universal ball connecting piece ball, and the fixed plate is used for fixing the backlight module;
the adjusting rods are arranged between the fixing plate and the workbench, and are provided with a plurality of groups and used for adjusting the rotating angle of the fixing plate relative to the workbench;
the detection lens is arranged on the workbench, is positioned above the fixed plate and is opposite to the backlight module on the fixed plate.
As a further optimized scheme of the invention, four groups of adjusting rods are arranged.
As a further optimized scheme, the horizontal sliding type horizontal fixing device further comprises an upper positioning plate and a lower positioning plate, the upper positioning plate and the lower positioning plate are arranged on the workbench in parallel in a horizontal sliding mode, the upper positioning plate and the lower positioning plate can horizontally slide towards the direction close to or away from the fixing plate, a positioning space is formed between the upper positioning plate and the lower positioning plate, and the positioning space is used for horizontally fixing the fixing plate.
As a further optimized scheme of the invention, the adjusting rod comprises a screw rod and a fixed disk, the fixed disk is fixed on the lower bottom surface of the fixed disk, one end of the screw rod is rotatably connected with the fixed disk, and the other end of the screw rod penetrates through the workbench and is connected with the workbench in a threaded manner.
The backlight module further comprises a rotating shaft, a fixing piece, a placing plate and a fixing pressing plate, wherein the lower end of the rotating shaft is vertically and rotatably arranged on the fixing plate, the rotating shaft is fixed on the fixing plate through the fixing piece, the placing plate is fixed at the upper end of the rotating shaft, a light reflecting space is formed between the placing plate and the fixing plate, a placing groove is formed in the placing plate and used for placing the backlight module, the fixing pressing plate is arranged on the fixing plate and located above the placing plate, and the rotating shaft is rotated to enable the upper surface of the backlight module to be in contact with the lower surface of the fixing pressing plate.
The backlight module further comprises a pressing frame and an elastic piece, wherein the pressing frame is fixed on the lower bottom surface of the fixed pressing plate through the elastic piece, the elastic piece can elastically deform along the vertical direction, and the pressing frame is used for fixing the backlight module.
As a further optimized scheme of the invention, when the rotating shaft drives the backlight module to rotate to the lower part of the fixed pressing plate, the pressing frame presses the backlight module tightly, and the elastic piece is in a compressed state.
As a further optimized scheme of the invention, the lower bottom surface of the pressing frame is provided with a guide surface and a fixed surface, when the rotating shaft is rotated to enable the backlight module to rotate below the fixed pressing plate, the fixed surface of the wall of the guide surface is firstly contacted with the backlight module, and the guide surface is a surface which is gradually inclined downwards from one end far away from the fixed surface to the end close to the fixed surface.
A detection method of a quantum dot backlight module of a display is applied to the device, and the specific detection method comprises the following steps:
s1: fixing the backlight module on the fixing plate;
s2: adjusting one or more groups of adjusting rods to change the angle of the backlight module relative to the X axis and/or the Y axis of the fixing plate;
s3: carrying out polishing detection on the backlight module through the detection lens;
s4: repeating the steps S2-S3.
According to the device and the method for detecting the quantum dot backlight module of the display, the lower surface of the fixing plate is connected with the workbench through the universal ball connecting piece, the adjusting rods are arranged between the fixing plate and the workbench, the adjusting rods are provided with multiple groups and used for adjusting the rotating angle of the fixing plate relative to the workbench, so that the angle of the backlight module relative to the X axis and/or the Y axis of the detection lens can be adjusted, and the detection precision of the backlight module is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention when the rotating shaft is rotated to mount the backlight module;
FIG. 3 is an enlarged view of a portion of the area A according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-2, a display quantum dot backlight module detection device and method includes a workbench 1, a detection lens 2, a universal ball connector 3, an adjustment rod 4 and a fixing plate 5, wherein:
the fixed plate 5 is positioned above the workbench 1, the lower surface of the fixed plate 5 is in ball connection with the workbench 1 through a universal ball connecting piece 3, and the fixed plate 5 is used for fixing the backlight module;
the adjusting rods 4 are arranged between the fixing plate 5 and the workbench 1, a plurality of groups of adjusting rods 4 are arranged, and the adjusting rods 4 are used for adjusting the rotating angle of the fixing plate 5 relative to the workbench 1;
the detection lens 2 is arranged on the workbench 1, and the detection lens 2 is positioned above the fixed plate 5 and opposite to the backlight module on the fixed plate 5.
Four groups of adjusting rods 4 are arranged, so that the adjusting rods 4 can stably support the fixed plate 5, and the rotating angle of the fixed plate 5 relative to the workbench 1 can be conveniently adjusted;
in order to facilitate the installation of the fixing plate 5, the fixing device further comprises an upper positioning plate 6 and a lower positioning plate 7, the upper positioning plate 6 and the lower positioning plate 7 are arranged on the workbench 1 in parallel in a horizontal sliding mode, the upper positioning plate 6 and the lower positioning plate 7 can horizontally slide towards the direction close to or away from the fixing plate 5, a positioning space is formed between the upper positioning plate 6 and the lower positioning plate 7 and used for horizontally fixing the fixing plate 5, the fixing plate 5 is firstly installed on the workbench 1 through a universal ball connecting piece 3, at the moment, the fixing plate 5 can freely rotate relative to a universal ball, the upper positioning plate 6 and the lower positioning plate 7 are slid, the fixing plate 5 is located between the upper positioning plate 6 and the lower positioning plate 7, then the adjusting rod 4 is installed by rotating the screw 40, and then the upper positioning plate 6 and the lower positioning plate 7 are slid to enable the upper positioning plate 6 and the lower positioning plate 7 to be separated from the fixing plate 5;
the adjusting rod 4 comprises a screw 40 and a fixed disk 41, the fixed disk 41 is fixed on the lower bottom surface of the fixed plate 5, one end of the screw 40 is rotatably connected with the fixed disk 41 through a bearing, the other end of the screw 40 penetrates through the workbench 1 and is connected with the workbench 1 in a threaded manner, and the adjustment of the angle of the fixed plate 5 relative to the workbench 1 can be completed by rotating the screw 40;
in order to fix the backlight module conveniently, the backlight module fixing device further comprises a rotating shaft 8, a fixing piece 9, a placing plate 10 and a fixing pressing plate 11, wherein the lower end of the rotating shaft 8 is vertically and rotatably installed on the fixing plate 5, the rotating shaft 8 is fixed on the fixing plate 5 through the fixing piece 9, the placing plate 10 is fixed at the upper end of the rotating shaft 8, a light reflecting space is formed between the placing plate 10 and the fixing plate 5, a placing groove 100 is formed in the placing plate 10, the placing groove 100 is used for placing the backlight module, the fixing pressing plate 11 is installed on the fixing plate 5 and located above the placing plate 10, and the rotating shaft 8 is rotated to enable the upper surface of the backlight module to be in contact with the lower surface of the fixing pressing plate 11;
in order to increase the stability of fixing the backlight module, the backlight module fixing device further comprises a pressing frame 12 and an elastic member 13, the pressing frame 12 is fixed on the lower bottom surface of the fixed pressing plate 11 through the elastic member 13, the elastic member 13 is a spring, the elastic member 13 can elastically deform along the vertical direction, the pressing frame 12 is used for fixing the backlight module, in order to increase the fixing of the backlight module, when the rotating shaft 8 drives the backlight module to rotate below the fixed pressing plate 11, the pressing frame 12 presses the backlight module, the elastic member 13 is in a compression state, in order to reduce the abrasion of the backlight module, the lower bottom surface of the pressing frame 12 is provided with a guide surface 120 and a fixed surface 121, when the rotating shaft 8 rotates the backlight module to rotate below the fixed pressing plate 11, the guide surface 120 is a surface which is firstly contacted with the backlight module, and the guide surface 120 is a surface which is gradually inclined downwards from one end far away from the fixed surface 121 to the fixed surface 121.
A detection method of a quantum dot backlight module of a display is applied to the device, and the specific detection method comprises the following steps:
s1: fixing the backlight module on the fixing plate 5, firstly rotating the rotating shaft 8 one hundred eighty degrees to enable the placing plate 10 to rotate out from the lower part of the fixing pressing plate 11, then placing the backlight module in the placing groove 100, then rotating the rotating shaft 8 to enable the backlight module to rotate towards the direction close to the fixing pressing plate 11, enabling the guide surface 120 to be firstly contacted with the backlight module, gradually compressing the elastic piece 13 in the process, then enabling the fixing surface 121 to be contacted with the backlight module and fixing the backlight module, stopping rotation of the rotating shaft 8, and fixing the rotating shaft 8 through the fixing piece 9 to finish fixing the backlight module;
s2: adjusting one or more groups of adjusting rods 4 to change the angle of the backlight module relative to the X axis and/or the Y axis of the fixing plate 5, rotating the screw 40 of one or more groups of adjusting rods 4 to change the length of the screw 40 between the workbench 1 and the fixing plate 5, further changing the angle of the backlight module relative to the fixing plate 5 along the X axis and/or the Y axis, facilitating adjustment of the rotating axis of the backlight module, further increasing a plurality of angles of the backlight module relative to the detection lens 2, and increasing detection precision;
s3: the backlight module is subjected to polishing detection through the detection lens 2;
s4: repeating the above steps S2-S3
In the present embodiment, it is preferable that four sets of the adjusting rods 4 are provided, so that the adjusting rods 4 can stably support the fixing plate 5, and the rotation angle of the fixing plate 5 relative to the workbench 1 can be conveniently adjusted.
In order to facilitate the installation of the fixing plate 5, the fixing device is preferred in the embodiment, the fixing device further comprises an upper positioning plate 6 and a lower positioning plate 7, the upper positioning plate 6 and the lower positioning plate 7 are arranged on the workbench 1 in a parallel mode in a horizontal sliding mode, the upper positioning plate 6 and the lower positioning plate 7 can horizontally slide towards the direction close to or away from the fixing plate 5, a positioning space is formed between the upper positioning plate 6 and the lower positioning plate 7 and used for horizontally fixing the fixing plate 5, the fixing plate 5 is firstly installed on the workbench 1 through the universal ball connecting piece 3, the fixing plate 5 can freely rotate relative to a universal ball at the moment, the upper positioning plate 6 and the lower positioning plate 7 are slid, the fixing plate 5 is located between the upper positioning plate 6 and the lower positioning plate 7, then the adjusting rod 4 is installed by rotating the screw 40, and then the upper positioning plate 6 and the lower positioning plate 7 are slid to enable the upper positioning plate 6 and the lower positioning plate 7 to be separated from the fixing plate 5.
In this embodiment, it is preferable that the adjusting rod 4 includes a screw 40 and a fixed plate 41, the fixed plate 41 is fixed on the lower bottom surface of the fixed plate 5, one end of the screw 40 is rotatably connected to the fixed plate 41 through a bearing, the other end of the screw 40 penetrates through the workbench 1 and is connected to the workbench 1 in a threaded manner, and the adjustment of the angle of the fixed plate 5 relative to the workbench 1 can be completed by rotating the screw 40.
In order to facilitate the fixation of the backlight module, preferably in this embodiment, the backlight module further includes a rotating shaft 8, a fixing member 9, a placing plate 10 and a fixing pressing plate 11, the lower end of the rotating shaft 8 is vertically rotatably installed on the fixing plate 5, the rotating shaft 8 is fixed on the fixing plate 5 through the fixing member 9, the placing plate 10 is fixed at the upper end of the rotating shaft 8, a light reflecting space is formed between the placing plate 10 and the fixing plate 5, a placing groove 100 is formed in the placing plate 10, the placing groove 100 is used for placing the backlight module, the fixing pressing plate 11 is installed on the fixing plate 5 and located above the placing plate 10, and the rotating shaft 8 is rotated to enable the upper surface of the backlight module to contact with the lower surface of the fixing pressing plate 11.
In order to increase the stability of fixing the backlight module, in this embodiment, it is preferable that the backlight module further includes a pressing frame 12 and an elastic member 13, the pressing frame 12 is fixed on the lower bottom surface of the fixing pressing plate 11 through the elastic member 13, the elastic member 13 can elastically deform in the vertical direction, and the pressing frame 12 is used for fixing the backlight module.
In order to increase the fixing of the backlight module, in the embodiment, preferably, when the rotating shaft 8 drives the backlight module to rotate below the fixed pressing plate 11, the pressing frame 12 presses the backlight module, and the elastic element 13 is in a compressed state.
In order to reduce the abrasion of the backlight module, it is preferable in this embodiment that the lower bottom surface of the pressing frame 12 has a guide surface 120 and a fixing surface 121, when the rotating shaft 8 is rotated to rotate the backlight module to the lower side of the fixed pressing plate 11, the guide surface 120 contacts the backlight module before the fixing surface 121 contacts the backlight module, and the guide surface 120 is a surface gradually inclined downward from one end far from the fixing surface 121 to the end near the fixing surface 121.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a display quantum dot backlight unit detection device which characterized in that, includes workstation (1), detection camera lens (2), universal ball connecting piece (3), adjusts pole (4) and fixed plate (5), wherein:
the fixing plate (5) is positioned above the workbench (1), the lower surface of the fixing plate (5) is in ball connection with the workbench (1) through the universal ball connecting piece (3), and the fixing plate (5) is used for fixing the backlight module;
the adjusting rods (4) are arranged between the fixing plate (5) and the workbench (1), a plurality of groups of adjusting rods (4) are arranged, and the adjusting rods (4) are used for adjusting the rotating angle of the fixing plate (5) relative to the workbench (1);
the detection lens (2) is arranged on the workbench (1), and the detection lens (2) is positioned above the fixing plate (5) and opposite to the backlight module on the fixing plate (5);
the backlight module is characterized by further comprising a rotating shaft (8), a fixing piece (9), a placing plate (10) and a fixed pressing plate (11), wherein the lower end of the rotating shaft (8) is vertically rotatably installed on the fixed plate (5), the rotating shaft (8) is fixed on the fixed plate (5) through the fixing piece (9), the placing plate (10) is fixed at the upper end of the rotating shaft (8), a light reflecting space is formed between the placing plate (10) and the fixed plate (5), a placing groove (100) is formed in the placing plate (10), the placing groove (100) is used for placing the backlight module, the fixed pressing plate (11) is installed on the fixed plate (5) and located above the placing plate (10), and the rotating shaft (8) is rotated to enable the upper surface of the backlight module to be in contact with the lower surface of the fixed pressing plate (11);
the backlight module is characterized by further comprising a pressing frame (12) and an elastic piece (13), wherein the pressing frame (12) is fixed on the lower bottom surface of the fixed pressing plate (11) through the elastic piece (13), the elastic piece (13) can elastically deform along the vertical direction, and the pressing frame (12) is used for fixing the backlight module;
the lower bottom surface of the pressing frame (12) is provided with a guide surface (120) and a fixed surface (121), when the rotating shaft (8) is rotated to enable the backlight module to rotate to the lower part of the fixed pressing plate (11), the guide surface (120) and the fixed surface (121) are firstly contacted with the backlight module, and the guide surface (120) is a surface which is gradually inclined downwards from one end far away from the fixed surface (121) to the end close to the fixed surface (121).
2. The detection device for the display quantum dot backlight module as claimed in claim 1, wherein four sets of the adjusting rods (4) are provided.
3. The detection device for the quantum dot backlight module of the display device as claimed in claim 1, further comprising an upper positioning plate (6) and a lower positioning plate (7), wherein the upper positioning plate (6) and the lower positioning plate (7) are horizontally slid and arranged on the workbench (1) in parallel, the upper positioning plate (6) and the lower positioning plate (7) can be horizontally slid towards or away from the fixing plate (5), a positioning space is formed between the upper positioning plate (6) and the lower positioning plate (7), and the positioning space is used for horizontally fixing the fixing plate (5).
4. The device for detecting the quantum dot backlight module of the display as claimed in claim 1, wherein the adjusting rod (4) comprises a screw (40) and a fixed disk (41), the fixed disk (41) is fixed on the lower bottom surface of the fixed plate (5), one end of the screw (40) is rotatably connected with the fixed disk (41), and the other end of the screw (40) penetrates through the worktable (1) and is connected with the worktable (1) in a threaded manner.
5. The device for detecting the quantum dot backlight module of the display device as claimed in claim 1, wherein when the rotation shaft (8) drives the backlight module to rotate to the position below the fixed pressing plate (11), the pressing frame (12) presses the backlight module, and the elastic member (13) is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110165004.5A CN113218622B (en) | 2021-02-06 | 2021-02-06 | Detection device and method for quantum dot backlight module of display |
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| CN202110165004.5A CN113218622B (en) | 2021-02-06 | 2021-02-06 | Detection device and method for quantum dot backlight module of display |
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| CN113218622B true CN113218622B (en) | 2023-03-07 |
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