CN110702382A - Display panel overhauls mechanism - Google Patents
Display panel overhauls mechanism Download PDFInfo
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- CN110702382A CN110702382A CN201910927523.3A CN201910927523A CN110702382A CN 110702382 A CN110702382 A CN 110702382A CN 201910927523 A CN201910927523 A CN 201910927523A CN 110702382 A CN110702382 A CN 110702382A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
- G01M11/0257—Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested
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Abstract
The application relates to a display panel overhauls mechanism for overhauing display panel (500), display panel overhauls mechanism includes: a shade assembly (700) including a fixed shade box (710); an optical assembly disposed within the fixed light-shielding box (710); the driving assembly (800) is connected with the shading assembly (700) and used for driving the shading assembly (700) to shade or expose the display panel (500). This application display panel overhauls mechanism simple structure, design benefit through the shading subassembly that sets up scalable activity for the device of shading has good shading effect, practices thrift the space, can integrate on display panel overhauls the device, and does not hinder display panel's removal on overhauing the device.
Description
Technical Field
The application belongs to the technical field of display panel production equipment, and particularly relates to a display panel overhauling mechanism.
Background
Due to the limitations of the crystallization process, the display panel fabricated on the large-area glass substrate often has non-uniformity in electrical parameters such as threshold voltage, mobility, etc. at different positions, and the non-uniformity is converted into current difference and brightness difference of the display device and is perceived by human eyes, i.e. Mura phenomenon. In the production process of the display panel, in order to detect whether the display panel is a qualified product without the Mura phenomenon, the display panel is usually required to be lightened firstly, then the display panel is shot and measured to be determined as a qualified product, and an unqualified product is repaired or discarded. The existing display panel maintenance mechanism is provided with an independent darkroom, occupies a large area, has a complex structure, or is easily polluted by light when being shot, so that the detection precision is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the display panel overhauling mechanism is simple in structure and high in shooting precision.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a display panel service mechanism for servicing a display panel, the display panel service mechanism comprising:
the shading assembly comprises a fixed shading box;
the optical assembly is arranged in the fixed shading box;
and the driving component is connected with the shading component and used for driving the shading component to cover or expose the display panel.
In one embodiment, the light shielding assembly further includes a movable light shielding box, and the driving assembly is connected to the movable light shielding box and is used for driving the movable light shielding box to shield or expose the display panel.
In one embodiment, the movable light shielding box comprises an organ pipe and a light shielding cover, and the organ pipe is respectively connected with the fixed light shielding box and the light shielding cover; wherein, the drive assembly is used for driving the movable shading box to ascend or descend.
In one embodiment, the movable shading box is formed by surrounding a black shading plate or black shading cloth.
In one embodiment, the light source is arranged in the movable shading box.
In one embodiment, the light source control unit is arranged on the periphery of the movable shading box and used for controlling the light source.
In one embodiment, the driving assembly comprises an air cylinder and a linear module, wherein the output end of the air cylinder is connected with the linear module so as to drive the linear module to drive the movable shading box to cover or expose the display panel.
In one embodiment, the light shading device further comprises a support, the fixed light shading box is fixed on the support, the linear module comprises a slide rail and a slide block, one of the slide rail and the slide block is arranged on the support, and the other is arranged on the movable light shading box.
In one embodiment, the straight line modules are arranged into a plurality of groups, and the air cylinder drives the plurality of groups of straight line modules to synchronously drive the movable shading box to ascend or descend.
In one embodiment, an access door is arranged on the shading assembly and used for opening the shading assembly.
The invention has the beneficial effects that: this application display panel overhauls mechanism simple structure, design benefit through the shading subassembly that sets up scalable activity for the device of shading has good shading effect, practices thrift the space, can integrate on display panel overhauls the device, and does not hinder display panel's removal on overhauing the device.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic structural diagram of a display panel inspection device according to an embodiment of the present application;
FIG. 2 is a top view of a display panel service device of an embodiment of the present application;
FIG. 3 is a side view of a display panel service apparatus of an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a shading assembly according to an embodiment of the present application;
FIG. 5 is a schematic view of a partial structure of a shading assembly according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a placement jig according to an embodiment of the present application;
fig. 7 is a side view of a placement tool according to an embodiment of the present application;
fig. 8 is a top view of a placement tool according to an embodiment of the present disclosure;
fig. 9 is a top view of the placement tool of the present application with a display panel loaded thereon;
fig. 10 is a schematic view of the operation of the display panel inspection apparatus according to the embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A display panel overhauls mechanism for overhauing display panel 500, display panel overhauls mechanism includes:
a shade assembly 700 including a fixed shade box 710;
an optical assembly disposed in the fixed light shielding box 710;
the driving assembly 800 is connected to the light shielding assembly 700 for driving the light shielding assembly 700 to cover or expose the display panel 500.
In one embodiment, the light shielding assembly 700 further includes a movable light shielding box, and the driving assembly 800 is connected to the movable light shielding box for driving the movable light shielding box to cover or expose the display panel 500.
In order to improve the light shielding effect and the light shielding flexibility of the movable light shielding box, in one embodiment, the movable light shielding box comprises an organ pipe 720 and a light shielding cover 730, wherein the organ pipe 720 is respectively connected to the fixed light shielding box 710 and the light shielding cover 730; the driving assembly 800 is used for driving the movable shade box to ascend or descend.
In one embodiment, the optical assembly is a camera 420, the display panel maintenance mechanism includes a bracket 101, the camera 420, a light shielding assembly 700 and a driving assembly 800, the light shielding assembly 700 includes a fixed light shielding box 710, a bellows 720 and a light shielding cover 730 sequentially arranged from top to bottom, the camera 420 is arranged on the top of the fixed light shielding box 710, and the lens of the camera 420 faces downward and is located in the light shielding box 710.
In one embodiment, the fixed light shielding box 710 has a first light transmitting opening 711 at the bottom thereof, the light shielding cover 730 has a second light transmitting opening 731 at the top thereof, the bellows 720 includes a foldable tube wall, and openings at the upper and lower ends of the bellows 720 are respectively connected to the first light transmitting opening 711 and the second light transmitting opening 731. The display panel 500 is located under the light shield 730, and the driving assembly 800 is connected to and drives the light shield 730 to move up and down to move the display panel 500 out of or into the light shield 730, at which time the bellows 720 can be folded or extended accordingly.
In one embodiment, two second light-transmitting openings 731 are formed at the top of the light-shielding cap 730. In one embodiment, the bellows 720 has a pair and is connected to a pair of second light-transmitting openings 731, respectively. In one embodiment, the second light-transmitting opening 731 is circular, and the opening at the lower end of the bellows 720 connected to the second light-transmitting opening is rectangular. The rectangular lower opening covers the second light shielding opening 731.
In order to prevent external interference and protect the operator, in one embodiment, the display panel maintenance mechanism further includes a protective cover 900, the protective cover 900 covers the outside of the light shielding box, and the protective cover 900 is fixed to the bracket 101.
In one embodiment, the walls of bellows 720 are corrugated to ensure the telescoping effect of bellows 720. The telescopic organ pipe 720 can enable the shooting device to quickly enter a shading state, and the dynamic situation of the display panel on the display panel overhauling device is well adapted.
In order to ensure the shading effect, in one embodiment, the movable shading box is formed by surrounding a black shading plate or black shading cloth.
In one embodiment, the light source 740 is further included, and the light source 740 is disposed in the movable shade box. In order to obtain a good light compensation effect, in one embodiment, the light source 740 is a ring light.
In one embodiment, the light source control unit 750 is further included, and the light source control unit 750 is disposed around the movable light shielding box and is used for controlling the light source 740, including controlling the on/off, brightness, and the like of the light source 740.
In one embodiment, the driving assembly 800 includes a cylinder and a linear module 810, and an output end of the cylinder is connected to the linear module 810 to drive the movable light shielding box to cover or expose the display panel 500.
In one embodiment, the light shading device further includes a support 101, the fixed light shading box 710 is fixed on the support 101, the linear module 810 includes a sliding rail and a sliding block, one of the sliding rail and the sliding block is disposed on the support 101, and the other is disposed on the movable light shading box, and the sliding block is slidably engaged with the sliding rail, so that the movable light shading box can move on the support 101.
In one embodiment, the linear modules 810 are arranged in multiple groups, and the cylinders drive the multiple groups of linear modules 810 to synchronously drive the movable shade boxes to ascend or descend.
In one embodiment, the linear module 810 is a connecting rod, the cylinder is fixed on the bracket 101, one end of the connecting rod is fixed with the light shield 730, and the other end of the connecting rod is connected to the output end of the cylinder. In order to ensure smooth movement of the light shield 730, in one embodiment, the pair of link rods is provided and fixed to the light shield 730 side by side, and the pair of cylinder rods is provided and connected to and drives the pair of link rods, respectively.
In one embodiment, the shutter assembly 700 is provided with an access door 760 for opening the shutter assembly 700 to facilitate access to the optical components, light sources, etc. within the shutter assembly. The access door 760 may be one or more, provided as desired.
In the embodiment of the present invention, the display panel maintenance mechanism may be applied to the following display panel maintenance apparatuses:
a display panel service apparatus comprising:
the base plate (100) is provided with a plurality of grooves,
a rotary platform 200 provided on the square platform-shaped base 100;
a placing jig 300 disposed on the rotary platform 200 for fixing the display panel 500; and
an optical compensation assembly 400 comprising a signal generator, an optical assembly, and a processor;
wherein, the periphery of the base 100 is sequentially provided with a loading and unloading station 110 for loading and unloading the display panel 500, an overhaul station 120 for overhauling the display panel 500, a maintenance station 130 for maintaining the display panel overhauling device and a rechecking station 140 for rechecking the display panel 500, and the optical assembly is arranged above the overhauling station 120; placing jig 300 when rotary platform 200 rotates loops through loading and unloading station 110, maintenance station 120, maintenance station 130 and recheck station 140 to make display panel 500 on placing jig 300 loop through above-mentioned station, carry out corresponding material loading, maintenance to display panel 500 by station workman or machine, overhaul the maintenance of display panel maintenance device itself, recheck display panel 500, and the unloading. When the display panel 500 is transferred to the maintenance station 120, the signal generator lights up the display panel 500, and the processor receives and judges whether to send out a compensation signal according to the display panel image shot by the optical assembly.
In this embodiment, the display panel service apparatus further includes an optical compensation assembly 400, and the optical compensation assembly 400 includes a screen pointer 410, a camera 420, and a processor. The screen lighting device 410 is fixed at the bottom of the placing fixture and used for lighting the display panel 500. The camera 420 is arranged above the maintenance station 120, when the display panel 500 rotates to the maintenance station 120, the screen lighting device 410 lights the display panel 500, and the processor receives and judges whether to send out a compensation signal according to the display panel image shot by the camera 420. The conventional technique of using a series of dot screen devices to light the display panel 500 and eliminating the display abnormality of the display panel 500 by the compensation signal is not described in detail. The related display anomalies mainly include the Mura phenomenon, i.e., color differences recognizable by human eyes on a display panel due to current or brightness differences. And acquiring image characteristics of the lighted display panel by using a camera, identifying Mura according to a related algorithm, calculating De-Mura data for eliminating the Mura, and transmitting and compensating the De-Mura data to the display panel to eliminate the Mura and realize restoration of the display panel. Further, the camera 420 in the present embodiment may be replaced with another photographing apparatus as long as an image after the display panel 500 is lit can be captured.
In one embodiment, the processor pre-stores a standard image of the display panel 500 and sends a compensation signal when the optical assembly captures a difference between the standard image and the display panel image.
To facilitate capturing the display panel image, in one embodiment, a stand 101 is fixed to the base 100, the stand 101 is vertically erected on the base 100, and the optical component is a camera 420 and is disposed on top of the stand 101. The camera 420 takes a display panel image from the top of the stand 101 down.
In one embodiment, the rotary platform 200 comprises a turntable 210 and a direct drive motor 220, the direct drive motor 220 is fixed on the base 100, and the output end of the direct drive motor 220 is connected to the center of the turntable 210. When the direct drive motor 220 drives a load, the turntable 210 is driven to rotate around the center without a transmission device, so that the display panels 500 are rotated at different stations.
In order to operate different stations simultaneously and improve the working efficiency, in one embodiment, the placing jig 300 has four sets, which are fixed on the edge of the turntable 210 at equal intervals. In one embodiment, each set of placement tools 300 is located at one of the loading and unloading station 110, the service station 120, the maintenance station 130, and the review station 140.
In one embodiment, the placing fixture 300 includes a bearing seat 310 and a bearing platform 320 for clamping the display panel 500, the bearing seat 310 includes a fixed frame 311 and a rotating plate 312, the rotating plate 312 is rotatably connected to the top of the fixed frame 311, the bearing platform 320 is fixed on the rotating plate 312, wherein the fixed frame 311 is fixed to the rotating platform 200, and a plane of the rotating plate 312 is 0 to 45 ° with respect to a horizontal plane. Specifically, when the rotating plate 312 rotates, the plane of the rotating plate 312 is kept horizontal to the horizontal plane, so as to facilitate rotation; when people or machines need to observe, overhaul and review, the plane of the rotating plate 312 and the horizontal plane form a certain included angle, such as 20 degrees, 30 degrees or 35 degrees, so as to facilitate observation and operation.
In order to improve the working efficiency, in one embodiment, the supporting platform 320 has a pair, which is fixed on the rotating plate 312 in parallel, so that a pair of display panels 500 can be serviced at a time.
In order to facilitate observation and operation of the reinspector, in one embodiment, when the placing jig 300 passes through and is located at the reinspection station 140, the plane of the rotating plate 312 forms an included angle of 45 ° with the horizontal plane.
In order to further improve the maintenance efficiency, in one embodiment, a material transporting machine is arranged outside the loading and unloading station 110, and the material transporting machine comprises a feeding mechanism for inputting the display panel 500 to be maintained to the loading and unloading station 110 and a discharging mechanism for outputting the maintained display panel 500 from the loading and unloading station 110.
In the embodiment of the invention, the display panel overhauling mechanism can be applied to shoot and overhaul the display panels on the following display panel loading devices:
a display panel loading apparatus for loading a display panel 500 in a display panel 500 service apparatus, comprising:
the carrier 310 includes a fixed frame 311 and a rotating plate 312, wherein the rotating plate 312 is rotatably connected to the fixed frame 311; and
the supporting platform 320 is disposed on the rotating plate 312 for supporting different display panel carriers.
In one embodiment, the platform 320 includes a bottom support 322 and a peripheral carrier clamping assembly 321, wherein the carrier clamping assembly 321 can move horizontally and/or vertically. In one embodiment, the support base 322 is rectangular.
In one embodiment, the carrier clamping assembly 321 includes a clamping bracket 3211, a clamping clamp 3212, and a clamping cylinder, the clamping bracket 3211 is fixed on the supporting base 322, the cylinder is fixed on the clamping bracket 3211, and an output end of the cylinder is connected to the clamping clamp 3212 and releases or clamps the display panel on the clamping bracket 3211.
In order to improve the loading efficiency, in one embodiment, the pair of loading platforms 320 are fixed on the rotating plate 312 in parallel, and two display panels 500 can be loaded at the same time.
In one embodiment, a wire harness 322 is further disposed on the carrying platform 320.
In one embodiment, the bottom of the rotating plate 312 is provided with a mounting area for placing a signal generating device. In one embodiment, the signal generating device is a pointing device 410.
In one embodiment, the rotating plate 312 is further provided with a fine adjustment assembly, the fine adjustment assembly includes a knob 3121 and a positioning bearing 3122, the knob 3121 is disposed at a bottom side edge of the carrying platform 320, the positioning bearing 3122 is fixed with the rotating plate 312, and a driven end of the knob 3121 penetrates through the positioning bearing 3122 to abut against a side edge of the carrying platform 320. The knob 3121 includes a driving end twisted by hand and a driven end rotated with the driving end. By screwing or unscrewing the knob 3121, the knob 3121 pushes or releases the supporting platform 320 to slightly displace relative to the rotating plate 312, thereby achieving a position adjustment effect on the mechanism for loading the display panel 500. This adjustment is usually done as a pre-calibration before the service device is operated, i.e. the display panel sample is used to calibrate the camera shooting position accuracy etc.
To improve the adjustment capability and provide the angle adjustment function, in one embodiment, a fine adjustment assembly is disposed at the connection position of at least one adjacent pair of the side edges of the supporting seat 322. The connection locations are located at the corners of the rectangular support base 322 so that when the fine tuning assembly is rotated, the support platform 320 can be slightly rotated to adjust the angular position.
To improve the adjustment accuracy, in one embodiment, the driving end of the knob 3121 is a graduated cylindrical screw cap.
In order to facilitate the observation and inspection of the display panel 500 by a person without interfering with the normal rotation, in one embodiment, the plane of the rotating plate 312 is at an angle of 0 to 45 ° to the horizontal.
In one embodiment, the display panel loading apparatus further includes a tilting cylinder 600 disposed on the fixing frame 311 in a tilting manner, and an output end of the tilting cylinder 600 is connected to and drives the rotating plate 312 to rotate around the fixing frame.
In order to ensure the rotation capability of the rotation plate 312, in one embodiment, the bottom of the tilting cylinder 600 is rotatably connected to the fixed frame 311 through a rotation shaft.
The invention has the beneficial effects that: this application display panel overhauls mechanism simple structure, design benefit through the shading subassembly that sets up scalable activity for the device of shading has good shading effect, practices thrift the space, can integrate on display panel overhauls the device, and does not hinder display panel's removal on overhauing the device.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A display panel service mechanism for servicing a display panel (500), the display panel service mechanism comprising:
a shade assembly (700) including a fixed shade box (710);
an optical assembly disposed within the fixed light-shielding box (710);
the driving assembly (800) is connected with the shading assembly (700) and used for driving the shading assembly (700) to shade or expose the display panel (500).
2. The display panel servicing mechanism of claim 1, wherein the light blocking assembly (700) further comprises a movable light blocking box, and the driving assembly (800) is connected to the movable light blocking box for driving the movable light blocking box to block or expose the display panel (500).
3. The display panel servicing mechanism of claim 2, wherein the movable light box comprises a bellows (720) and a light shield (730), the bellows (720) being connected to the fixed light box (710) and the light shield (730), respectively; wherein, the driving component (800) is used for driving the movable shading box to ascend or descend.
4. The display panel servicing mechanism of claim 2, wherein the movable light-shielding box is formed by a black light-shielding plate or a black light-shielding cloth.
5. The display panel servicing mechanism of claim 2, further comprising a light source (740), the light source (740) disposed within the movable light box.
6. The display panel servicing mechanism of claim 5, further comprising a light source control unit (750), the light source control unit (750) being disposed around the movable light-shielding box for controlling the light source (740).
7. The display panel maintenance mechanism of claim 2, wherein the driving assembly (800) comprises a cylinder and a linear module (810), and an output end of the cylinder is connected to the linear module (810) to drive the movable light shielding box to cover or expose the display panel (500).
8. The display panel inspection mechanism of claim 7, further comprising a bracket (101), wherein the fixed light-shielding box (710) is fixed on the bracket (101), and wherein the linear module (810) comprises a slide rail and a slide block, one of the slide rail and the slide block is disposed on the bracket (101), and the other of the slide rail and the slide block is disposed on the movable light-shielding box.
9. The display panel maintenance mechanism of claim 8, wherein the plurality of linear modules (810) are arranged in a plurality of groups, and the cylinder drives the plurality of groups of linear modules (810) to synchronously drive the movable light shielding box to ascend or descend.
10. The display panel service mechanism of claim 8, wherein an access door (760) is provided on the shutter assembly (700) for opening the shutter assembly (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927523.3A CN110702382A (en) | 2019-09-27 | 2019-09-27 | Display panel overhauls mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927523.3A CN110702382A (en) | 2019-09-27 | 2019-09-27 | Display panel overhauls mechanism |
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| CN110702382A true CN110702382A (en) | 2020-01-17 |
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| CN201910927523.3A Pending CN110702382A (en) | 2019-09-27 | 2019-09-27 | Display panel overhauls mechanism |
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| CN111312131A (en) * | 2020-03-13 | 2020-06-19 | 苏州精濑光电有限公司 | Screen detection device |
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Application publication date: 20200117 |
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