Brightness and chromaticity measuring device for FPD module

By designing a brightness and colorimetry measurement device for FPD modules, and combining brightness detection and multi-light source colorimetry detection, the problem that existing AOI equipment cannot perform colorimetry detection has been solved, and comprehensive detection of FPD modules has been achieved.

CN223449448UActive Publication Date: 2025-10-17SUZHOU TIANXIANG INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422947851.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-10-17
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Existing AOI inspection equipment is unable to perform colorimetric inspection of FPD modules and cannot meet the development needs of enterprises.

Method used

An FPD module brightness and colorimetric measurement device was designed, comprising a detection platform, a lamp base plate, a clamping mechanism, a detection mechanism, a light illumination mechanism, and a safety light curtain. The brightness is detected by a front-view detection camera, and the colorimetric is detected by irradiation with yellow, green, and red light.

Benefits of technology

It realizes comprehensive detection of the brightness and color of the FPD module, has more complete functions, and improves the practicality of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of display screen detection, and particularly discloses an FPD module brightness and chromaticity measuring device which comprises a detection platform and a lighting bottom plate. The pressing mechanism comprises a material pressing frame and two lifting driving assemblies, and the material pressing frame is located above the lighting bottom plate and connected with driving parts of the two lifting driving assemblies; the detection mechanism comprises a height adjusting support, a front view detection camera and a chromaticity detection camera, the first lamplight irradiation mechanism comprises a door frame and a yellow light spotlight, and the second lamplight irradiation mechanism comprises a first inclination adjusting support and a green light spotlight. The green spotlight points to the lighting bottom plate and is arranged on the first inclination adjusting bracket; and the third lamplight irradiation mechanism comprises a second inclination adjusting support and a red light spotlight, and compared with AOI detection equipment in the prior art, the AOI detection equipment has the advantages that the functions are more complete, and the practicability is higher.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of display screen detection, in particular to a FPD module brightness and chroma measuring device. BACKGROUND

[0002] AOI is automatic optical inspection, which has become an important detection tool and process quality control tool for ensuring product quality in the electronic manufacturing industry. The principle of the AOI detection equipment is as follows: when automatic detection is performed, the AOI detection equipment machine automatically scans a product through a high-definition camera, collects images, compares detection points of the test with qualified parameters in a database, checks defects on the target product through image processing, and displays or marks the defects through a display or automatic marking, so as to provide maintenance personnel with the defects for correction and SMT engineering personnel with the defects for process improvement. After the production of a FPD (LCD / OLED / PDP) module is completed, the module needs to be detected through the AOI detection equipment. However, the AOI detection equipment in the prior art can only perform brightness detection and cannot perform chroma detection, which cannot meet the development needs of enterprises. In order to solve the above problems, the application discloses a FPD module brightness and chroma measuring device. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the defects of the prior art, the application discloses a FPD module brightness and chroma measuring device.

[0004] In order to achieve the above purpose, the technical scheme adopted by the application is as follows: a FPD module brightness and chroma measuring device, comprising:

[0005] A detection platform, one side of the top of the detection platform is provided with a box frame, and the other side is provided with a detection area, the top of the box frame extends to be opposite to the detection area, the outer periphery of the box frame is provided with a box plate, and a light transmission groove is formed in the box plate opposite to the detection area;

[0006] A lighting bottom plate, which is arranged above the detection area;

[0007] A pressing mechanism, which comprises a pressing frame and two lifting driving assemblies, the two lifting driving assemblies are arranged on opposite sides of the detection area, and the pressing frame is connected with driving parts of the two lifting driving assemblies above the lighting bottom plate;

[0008] A detection mechanism, which comprises a height adjusting support, a front view detection camera and a chroma detection camera, the height adjusting support is arranged on the corresponding box frame directly above the detection area, and the front view detection camera and the chroma detection camera are arranged side by side on the height adjusting support;

[0009] The first light irradiation mechanism comprises a door frame and a yellow light lamp. The door frame is arranged on one side of the detection area. The yellow light lamp is fixed on the door frame and faces the detection area.

[0010] The second light irradiation mechanism comprises a first slope adjustment support and a green light lamp. The first slope adjustment support is fixed below the box frame above the detection area. The green light lamp is arranged on the first slope adjustment support and points to the lighting bottom plate.

[0011] The third light irradiation mechanism comprises a second slope adjustment support and a red light lamp. The second slope adjustment support is arranged above the box frame. The red light lamp is arranged on the second slope adjustment support and passes through the light transmission groove to point to the lighting bottom plate.

[0012] Further preferably, a group of safety grating is arranged above the detection area and below the box frame opposite to the detection area.

[0013] Further preferably, an ion wind rod for removing static electricity is arranged above the yellow light lamp of the door frame.

[0014] Further preferably, the height adjustment support comprises a T-shaped plate and a sliding installation plate. The T-shaped plate is fixed on the side of the box frame opposite to the detection area. Opposite sides of the T-shaped plate are respectively provided with a waist-shaped hole. The sliding installation plate is respectively provided with a bolt on opposite sides to be locked in the waist-shaped hole to be fixed with the T-shaped plate. The front-view detection camera and the colorimetric detection camera are installed side by side on the sliding installation plate.

[0015] Further preferably, the first slope adjustment support comprises a first horizontal plate, a first inclined installation plate and two first vertical plates. The first horizontal plate is arranged on the outside of the box frame above the detection area. The two first vertical plates are oppositely arranged below the first horizontal plate. The inner part of the two first vertical plates is respectively provided with a first arc-shaped groove. The first inclined installation plate is arranged between the two first vertical plates. The two first vertical plates are respectively provided with a bolt passing through the two first arc-shaped grooves to be fixed with the first inclined installation plate. The green light lamp is installed on the first inclined installation plate.

[0016] Further preferably, the second slope adjustment support comprises a second vertical plate, a second horizontal plate, an inclined connecting plate, a second inclined installation plate and two support pipes. The two support pipes are arranged inside the box frame. The second vertical plate is fixed on one side of the two support pipes. The second horizontal plate is fixed on the vertical plate and extends outward. The inclined connecting plate is provided with a second arc-shaped groove. The inclined connecting plate is provided with a bolt passing through the second arc-shaped groove to be fixed with the second horizontal plate. The second inclined installation plate is fixed on one side of the inclined connecting plate. The red light lamp is installed above the second inclined installation plate.

[0017] Further preferably, the detection area is provided with a relief groove on each of the opposite sides, and each of the two lifting driving assemblies comprises a first cylinder, and the two first cylinders are arranged below the two relief grooves and have their piston rods connected with the pressing frame.

[0018] Further preferably, the detection area is provided with two guide rails below the two relief grooves, and the opposite sides of the pressing frame are provided with two guide plates sliding on the two guide rails.

[0019] Further preferably, the pressing limiting mechanism comprises a third vertical plate, a second cylinder, a lifting plate, a horizontal mounting plate and a round roller, the third vertical plate is arranged above one side of the pressing frame, the second cylinder is arranged on the outer side wall of the pressing frame, the lifting plate is connected with the piston rod of the second cylinder, the inside of the lifting plate is provided with a plurality of guide sleeves, the horizontal mounting plate is arranged below the lifting plate, a plurality of guide columns are arranged above the horizontal mounting plate and pass through the plurality of guide sleeves, the top of each of the plurality of guide columns is screwed with a limiting nut, and the two sides below the horizontal mounting plate are respectively provided with a suspension support block, and the round roller is arranged between the two suspension blocks.

[0020] The present application has the following beneficial effects:

[0021] The present application can detect the brightness of the FPD module through the front-view detection camera after the FPD module is placed on the lighting base plate, and can detect the chroma of the FPD module through the chroma detection camera after the first light irradiation mechanism, the second light irradiation mechanism and the third light irradiation mechanism irradiate yellow light, green light and red light on the FPD module. Compared with the AOI detection equipment in the prior art, the present application has more complete functions and higher practicability.

[0022] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art by reference to the following description and will be learned from the practice of the present application. The objects and other advantages of the present application will be realized and attained by the structure particularly pointed out in the written description and claims. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings herein are incorporated into the specification and constitute a part of the specification, showing embodiments consistent with the present disclosure, and together with the specification serve to explain the principles of the present disclosure.

[0024] Figure 1 The present application discloses the overall structure schematic diagram;

[0025] Figure 2 The present application discloses the height adjustment support structure schematic diagram;

[0026] Figure 3A first inclination adjustment support structure disclosed in the present application is shown in the schematic view;

[0027] Figure 4 A second inclination adjustment support structure disclosed in the present application is shown in the schematic view;

[0028] Figure 5 A pressing mechanism structure disclosed in the present application is shown in the schematic view. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0030] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0031] EMBODIMENT

[0032] In order to solve the problem that the existing AOI detection equipment cannot detect the chroma of the FPD module, with reference to Figure 1 The present application discloses a FPD module brightness and chroma measuring device, which comprises a detection platform 10, a box frame 20 is arranged on one side of the upper part of the detection platform, and the other side is arranged as a detection area, the top of the box frame extends to be opposite to the detection area, a box plate 30 is arranged on the periphery of the box frame Figure 1 only one box plate is shown), and a light transmission groove 31 is arranged on the box plate opposite to the detection area;

[0033] a light-up bottom plate 40, which is arranged above the detection area;

[0034] a pressing mechanism 50, which comprises a pressing frame 51 and two lifting driving assemblies 52, the two lifting driving assemblies are arranged on opposite sides of the detection area, and the pressing frame is connected to the driving parts of the two lifting driving assemblies above the light-up bottom plate;

[0035] a detection mechanism 60, which comprises a height adjustment support 61, an orthoview detection camera 62 and a chroma detection camera 63, the height adjustment support is arranged on the corresponding box frame directly above the detection area, and the orthoview detection camera and the chroma detection camera are arranged side by side on the height adjustment support;

[0036] The first light irradiation mechanism 70 comprises a door frame 71 and a yellow light lamp 72. The door frame is arranged on one side of the detection area. The yellow light lamp is fixed on the door frame and faces the detection area.

[0037] The second light irradiation mechanism 80 comprises a first slope adjusting support 81 and a green light lamp 82. The first slope adjusting support is fixed below a box frame above the detection area. The green light lamp is arranged on the first slope adjusting support and points to the lighting bottom plate.

[0038] The third light irradiation mechanism 90 comprises a second slope adjusting support 91 and a red light lamp 92. The second slope adjusting support is arranged above the box frame. The red light lamp is arranged on the second slope adjusting support and passes through the light transmission groove to point to the lighting bottom plate.

[0039] Based on the above structure, in the specific implementation, the operator places the FPD module to be detected on the lighting bottom plate, and then controls the two lifting drive assemblies to drive the pressing frame to press the FPD module on the lighting bottom plate and controls the lighting bottom plate to work. The brightness of the FPD module is detected by the front-view detection camera. After that, the yellow light lamp, the green light lamp and the red light lamp emit corresponding light to irradiate on the FPD module, and the chroma detection camera detects the chroma of the FPD module.

[0040] In order to ensure that the device does not affect the operator, a safety grating 100 is arranged above the detection area and below the box frame opposite the detection area. If the operator is detected by the safety grating during the detection process, the entire device will stop running.

[0041] In order to remove static electricity during the detection of the FPD module, an ion wind rod 110 for removing static electricity is arranged above the yellow light lamp of the door frame. In the specific implementation, the ion wind rod blows ion air mass in real time.

[0042] Reference Figure 2 As shown, the height adjusting support comprises a T-shaped plate 611 and a sliding installation plate 612. The T-shaped plate is fixed on the side bottom of the box frame opposite the detection area. Opposite sides of the T-shaped plate are respectively provided with a waist-shaped hole 6111. The sliding installation plate is respectively provided with a bolt (not shown in the application) locked in the waist-shaped hole to be fixed with the T-shaped plate. The front-view detection camera and the chroma detection camera are installed side by side on the sliding installation plate. When the front-view detection camera and the chroma detection camera are installed, the operator can adjust the height of the sliding installation plate by locking the bolt at different positions of the waist-shaped hole, so as to install the front-view detection camera and the chroma detection camera at different heights.

[0043] Reference Figure 3As shown, the first slope adjusting support of the present application comprises a first transverse plate 811, a first inclined mounting plate 813 and two first vertical plates 812, the first transverse plate extends above the detection area and is arranged outside the box frame, the two first vertical plates are oppositely arranged below the first transverse plate, the inner part of the two first vertical plates is respectively provided with a first arc-shaped slot 8121, the first inclined mounting plate is arranged between the two first vertical plates, the two first vertical plates are respectively provided with bolts (not shown in the present application) penetrating through the two first arc-shaped slots and being fixed with the first inclined mounting plate, and the green light spotlight is mounted on the first inclined mounting plate. When the green light spotlight is mounted, the operator can rotate the first inclined mounting plate along the arc direction of the first arc-shaped slot and lock the bolt in the first arc-shaped slot to perform inclined mounting of the green light spotlight.

[0044] Reference Figure 4 As shown, the second slope adjusting support of the present application comprises a second vertical plate 912, a second transverse plate 913, an inclined connecting plate 914, a second inclined mounting plate 915 and two support pipes 911, the two support pipes are arranged inside the box frame, the second vertical plate is fixed on one side of the two support pipes, the second transverse plate is fixed on the second vertical plate and extends outward, the inclined connecting plate is provided with a second arc-shaped slot 9141, the inclined connecting plate is provided with a bolt (not shown in the present application) penetrating through the second arc-shaped slot to be fixed with the second transverse plate, the second inclined mounting plate is fixed on one side of the inclined connecting plate, and the red light spotlight is mounted above the second inclined mounting plate. When the red light spotlight is mounted, the operator rotates the angle of the inclined connecting plate along the arc direction of the second arc-shaped slot and fixes the bolt penetrating through the second arc-shaped slot with the second transverse plate to perform inclined mounting of the red light spotlight.

[0045] Reference Figure 5 As shown, the present application is provided with a avoiding slot (not shown in the present application) on the opposite sides of the detection area, the two lifting driving assemblies respectively comprise a first cylinder 521, the two first cylinders are respectively arranged below the two avoiding slots and the piston rod thereof is connected with the pressing frame, in addition, the detection area is respectively provided with two guide rails 522 below the two avoiding slots, and the opposite sides of the pressing frame are respectively provided with two guide plates 523 sliding on the two guide rails. In specific implementation, the two first cylinders synchronously drive the pressing frame to perform lifting movement, and the guide plates on the two sides of the pressing frame slide on the guide rails. In this way, the FPD module can be stably pressed.

[0046] Continue to refer to Figure 5As shown, in addition to the above structure, the application also comprises a pressing limiting mechanism 53, which comprises a third vertical plate 531, a second air cylinder 532, a lifting plate 533, a horizontal mounting plate 534 and a round roller 535. The third vertical plate is arranged above one side of the pressing frame, the second air cylinder is arranged on the outer side wall of the pressing frame, the lifting plate is connected to the piston rod of the second air cylinder, the inside of the lifting plate is provided with a plurality of guide sleeves 537, the horizontal mounting plate is arranged below the lifting plate, a plurality of guide columns 538 are arranged above the horizontal mounting plate and pass through the plurality of guide sleeves, the top of each guide column is screwed with a limiting nut 5381, and the lower side of the horizontal mounting plate is respectively provided with a suspension support block 536, and the round roller is installed between the two suspension blocks. Before the two first air cylinders drive the pressing frame to descend, the second air cylinder first drives the lifting plate to rise to a certain height, and during the process of the two first air cylinders driving the pressing frame to descend, the round roller will descend together until it contacts the machine table. During the continuous descent of the pressing frame, the plurality of guide columns will move in the plurality of guide sleeves. When the lifting plate is blocked by the horizontal mounting plate and cannot continue to descend, it means that the pressing work on the FPD module is completed. In this way, the FPD module can be effectively protected, and the situation that the FPD module is damaged during the pressing process is avoided.

[0047] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A device for measuring brightness and color of an FPD module, characterized in that: include: An inspection platform, wherein a box frame is provided on one side above the inspection platform and an inspection area is provided on the other side. The top of the box frame extends to face the inspection area. A box plate is provided on the periphery of the box frame. A light-transmitting slot is provided on the box plate facing the inspection area. A lighting base plate, the lighting base plate being arranged above the detection area; A clamping mechanism, comprising a material pressing frame and two lifting drive assemblies, the two lifting drive assemblies being respectively arranged on opposite sides of the detection area, the material pressing frame being connected to the driving parts of the two lifting drive assemblies above the lighting base plate; The detection mechanism includes a height adjustment bracket, a front view detection camera, and a color detection camera. The height adjustment bracket is arranged on a box frame corresponding to the detection area, and the front view detection camera and the color detection camera are arranged side by side on the height adjustment bracket; a first lighting mechanism, comprising a door frame and a yellow light spotlight, wherein the door frame is provided on one side of the detection area, and the yellow light spotlight is fixed on the door frame facing the detection area; a second lighting mechanism, comprising a first tilt-adjusting bracket and a green light spotlight, wherein the first tilt-adjusting bracket is fixedly mounted below the box frame above the detection area, and the green light spotlight is directed to the lighting base plate and is mounted on the first tilt-adjusting bracket; The third lighting mechanism includes a second tilt adjustment bracket and a red light spotlight. The second tilt adjustment bracket is arranged above the box frame. The red light spotlight passes through the light-transmitting groove and points to the lighting base plate arranged on the second tilt adjustment bracket.

2. The FPD module brightness and colorimetry device according to claim 1, characterized in that: A set of safety gratings are provided above the detection area and below the box frame facing the detection area.

3. The FPD module brightness and colorimetry device according to claim 1, characterized in that: The door frame is provided with an ion wind rod for removing static electricity above the yellow light.

4. The FPD module brightness and colorimetry device according to claim 1, characterized in that: The height adjustment bracket includes a T-shaped plate and a sliding mounting plate. The T-shaped plate is fixed to the bottom of the box frame facing the detection area. Waist-shaped holes are respectively opened on the opposite sides of the T-shaped plate. Bolts are respectively provided on the opposite sides of the sliding mounting plate to be locked in the waist-shaped holes to fix them to the T-shaped plate. The front-view detection camera and the colorimetry detection camera are installed side by side on the sliding mounting plate.

5. The FPD module brightness and colorimetry device according to claim 1, characterized in that: The first inclination adjustment bracket includes a first transverse plate, a first inclined mounting plate and two first vertical plates. The first transverse plate extends above the detection area and is arranged on the outside of the box frame. The two first vertical plates are relatively arranged below the first transverse plate. The two first vertical plates are respectively provided with first arc grooves inside. The first inclined mounting plate is arranged between the two first vertical plates. The two first vertical plates are respectively provided with bolts passing through the two first arc grooves and fixed to the first inclined mounting plates. The green light spotlight is installed on the first inclined mounting plate.

6. The FPD module brightness and colorimetry device according to claim 1, characterized in that: The second inclination adjustment bracket includes a second vertical plate, a second horizontal plate, an inclined connecting plate, a second inclined mounting plate and two support tubes. The two support tubes are arranged inside the box frame. The second vertical plate is fixed on one side of the two support tubes. The second horizontal plate is fixed on the vertical plate and extends outward. A second arc-shaped groove is provided on the inclined connecting plate. A bolt is provided on the inclined connecting plate to pass through the second arc-shaped groove to fix it to the second horizontal plate. The second inclined mounting plate is fixed on one side of the inclined connecting plate. The red light spotlight is installed above the second inclined mounting plate.

7. The FPD module brightness and colorimetry device according to claim 1, characterized in that: Avoidance grooves are respectively opened on opposite sides of the detection area, and the two lifting drive components respectively include first cylinders. The two first cylinders are respectively arranged under the two avoidance grooves and their piston rods are connected to the pressing frame.

8. The FPD module brightness and colorimetry device according to claim 1, characterized in that: The detection area is provided with two guide rails below the two avoidance grooves, and two guide plates are provided on opposite sides of the pressing frame and are slidably connected to the two guide rails.

9. The FPD module brightness and colorimetry device according to claim 1, characterized in that: The cam is mounted on a cam face and is adapted to move the cam face forwardly and downwardly from one of the guide rails to the other, and the cam face is mounted on a cam face, wherein the cam face is mounted on a cam face and is adapted to move the cam face forwardly and downwardly from the other guide rails.