CN216410601U

CN216410601U - Lighting device

Info

Publication number: CN216410601U
Application number: CN202122957849.6U
Authority: CN
Inventors: 梁贤; 刘立文; 迟彦龙; 易科; 尹建刚; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Hans Semiconductor Equipment Technology Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-29
Anticipated expiration: 2031-11-26

Abstract

The application provides a lighting device, including: a machine base; the X-axis moving assembly comprises a stator arranged on the base and extending along the X-axis direction, and a plurality of rotors which are matched with the stator and can move along the X-axis direction relative to the stator; and the plurality of lighting modules are used for being in contact with pins on the display panel to light the display panel, and each lighting module is arranged on each rotor and driven by each rotor to move along the X-axis direction. The lighting device provided by the application can realize the position adjustment of the lighting module, so that the lighting module can be suitable for display panels with different sizes; meanwhile, the arrangement mode that the stator is matched with the plurality of rotors is adopted, so that the movement accuracy can be improved, the size can be reduced, and the problem that the structure is complex and the space is large due to the adoption of multi-shaft driving is avoided.

Description

Lighting device

Technical Field

The present application belongs to the technical field of panel lighting, and more particularly, to a lighting device.

Background

The lighting of the product in the production process of the LCD or OLED display panel is an important link, and the procedures of dead spot detection, bright spot repair, grading aging and the like can be carried out on the product only by lighting the product. The display panel usually has a plurality of lighting areas arranged at intervals in the X or Y direction, and each lighting area has a plurality of lighting pins (i.e., PADs, generally 1mm or less in size). If the pins of each lighting area need to be simultaneously lighted, a plurality of lighting devices need to be arranged, a corresponding number of probes on each lighting device accurately press the corresponding lighting pins respectively, the panel is lighted by accessing the corresponding time sequence signals through the probes, and the lighting color of the panel is controlled according to the change of the time sequence signals, so that dead pixel detection, bright point repair and graded aging are realized.

Because the panel size is different, each position of lighting area is not fixed, for the product of compatible each size, generally come each lighting device of independent control through setting up a plurality of axles at present for lighting device corresponds with the lighting area that corresponds respectively, and its structure is comparatively complicated, and the space occupies greatly.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a lighting device, which solves the technical problems that the lighting device in the prior art is complex in structure and occupies a large space.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a lighting device including:

a machine base;

the X-axis moving assembly comprises a stator arranged on the base and extending along the X-axis direction, and a plurality of rotors which are matched with the stator and can move along the X-axis direction relative to the stator; and the number of the first and second groups,

and the lighting modules are respectively arranged on the movers and driven by the movers to move along the X-axis direction.

Furthermore, the X-axis moving assembly further comprises a sliding rail arranged on the base and extending along the X-axis direction, and a sliding block movably arranged on the sliding rail along the X-axis direction, and the lighting module is connected with the sliding block.

Further, the lighting device further comprises an induction piece and a sensor used for detecting the position information of the induction piece so as to avoid collision of the lighting modules, wherein the induction piece is arranged on one of the lighting modules, and the sensor is arranged on the other of the lighting modules.

Further, the base is provided with a grating ruler arranged along the X-axis direction, and the lighting module is provided with a reading head used for being matched with the grating ruler to sense the movement position of the lighting module.

Further, the lighting module includes:

the Y-axis moving assembly comprises an installation base fixedly connected with the rotor, a movable base arranged on the installation base and capable of moving along the Y-axis direction relative to the installation base, and a Y-axis driving mechanism arranged on the installation base and used for driving the movable base to move along the Y-axis direction relative to the installation base;

the Z-axis moving assembly comprises a movable frame which is arranged on the movable seat and can move along the Z-axis direction relative to the movable seat, and a Z-axis driving mechanism which is arranged on the movable seat and is used for driving the movable frame to move along the Z-axis direction relative to the movable seat; and the number of the first and second groups,

and the probe assembly is arranged on the movable frame and is used for being abutted against or separated from the pins on the display panel.

Furthermore, the Y-axis driving mechanism comprises a Y-axis driving motor arranged on the mounting seat, a Y-axis screw rod in transmission connection with the Y-axis driving motor, and a Y-axis nut in threaded connection with the Y-axis screw rod, and the movable seat is fixedly connected with the Y-axis nut.

Furthermore, the Z-axis driving mechanism comprises a Z-axis driving motor arranged on the movable seat, a Z-axis screw rod in transmission connection with the Z-axis driving motor, and a Z-axis nut in threaded connection with the Z-axis screw rod, and the movable frame is fixedly connected with the Z-axis nut.

Further, the probe assembly includes a mounting plate disposed on the movable frame, and one or more illumination probes disposed on the mounting plate.

Furthermore, the lighting modules are provided with buffer parts for preventing hard collision between every two adjacent lighting modules.

Furthermore, the base is provided with a limiting piece at each of two ends in the X-axis direction, and the limiting pieces are used for preventing the rotor from falling off from the stator.

The lighting device provided by the application has the beneficial effects that: the stator and the plurality of rotors matched with the stator are arranged, the lighting modules are respectively arranged on the rotors in a matched mode, and the rotors drive the lighting modules to move along the X-axis direction, so that the position adjustment of the lighting modules can be realized, and the lighting modules can be suitable for display panels with different sizes; meanwhile, the arrangement mode that the stator is matched with the plurality of rotors is adopted, so that the movement accuracy can be improved, the size can be reduced, and the problem that the structure is complex and the space is large due to the adoption of multi-shaft driving is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a lighting device according to an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of FIG. 1 at A;

FIG. 3 is a schematic perspective view of FIG. 1 at another angle;

fig. 4 is a schematic perspective view of a lighting module according to an embodiment of the present disclosure;

FIG. 5 is a schematic perspective view of FIG. 4 at another angle;

fig. 6 is a side view of a lighting module employed in the embodiment of the present application;

fig. 7 is an exploded view of a lighting module according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10. a machine base; 11. a grating scale; 12. a reading head; 13. a limiting member; 20. an X-axis moving assembly; 21. a stator; 22. a mover; 23. a slide rail; 24. a slider; 30. a lighting module; 31. a Y-axis moving assembly; 311. a mounting seat; 312. a movable seat; 3121. a Y-axis sensing piece; 313. a Y-axis drive mechanism; 3131. a Y-axis drive motor; 32. a Z-axis moving assembly; 321. a movable frame; 3211. a Z-axis sensing piece; 322. a Z-axis drive mechanism; 3221. a Z-axis drive motor; 33. a probe assembly; 331. mounting a plate; 332. illuminating the probe; 34. a buffer member; 40. a sensing member; 50. an inductor.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

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 one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3 together, the lighting device provided in the present application will now be described. The lighting device provided by the application comprises a machine base 10, an X-axis moving assembly 20 and a plurality of lighting modules 30. The X-axis moving assembly 20 includes a stator 21 and a plurality of movers 22. The stator 21 is disposed on the housing 10 and extends in the X-axis direction. The plurality of movers 22 are respectively matched with the stator 21 and can move along the X-axis direction relative to the stator 21, so that zero contact between the movers 22 and the stator 21 can be realized, no abrasion is caused, transmission errors are eliminated, the transmission precision is improved, and the structure is compact. The lighting modules 30 are used for contacting pins on a display panel (not shown) to light the display panel. Each of the lighting modules 30 is disposed on each of the movers 22, and is driven by each of the movers 22 to move in the X-axis direction. When the pin positions of the display panel are different, the mover 22 is only required to drive the lighting module 30 to move along the X-axis direction, and the positions of the lighting modules 30 can be independently adjusted, so that the lighting module 30 is just opposite to the pin positions of the display panel, and the lighting device can be applicable to display panels with different sizes. Wherein, the directions of the X axis, the Y axis and the Z axis are shown in figure 1.

According to the lighting device provided by the application, the stator 21 and the plurality of rotors 22 matched with the stator 21 are arranged, the lighting modules 30 are respectively arranged on the rotors 22 in a matching manner, and the rotors 22 drive the lighting modules 30 to move along the X-axis direction, so that the position adjustment of the lighting modules 30 can be realized, and the lighting modules 30 can be suitable for display panels with different sizes; meanwhile, the arrangement mode that the stator 21 is matched with the plurality of rotors 22 is adopted, so that the movement accuracy can be improved, the size can be reduced, and the problem that the structure is complex and the space is large due to the adoption of multi-shaft driving is solved.

Further, referring to fig. 2 and 4, as an embodiment of the lighting device provided by the present application, the X-axis moving assembly 20 further includes a slide rail 23 and a slider 24. The slide rail 23 is disposed on the base 10 and extends along the X-axis direction. The slider 24 is movably disposed on the slide rail 23 in the X-axis direction, and the lighting module 30 is connected to the slider 24. Through the cooperation of slide rail 23 and slider 24 to can play the effect of direction, guarantee the precision of active cell 22 motion, avoid taking place the skew.

Further, referring to fig. 1 to 2, as an embodiment of the lighting device provided by the present application, the lighting device further includes a sensing element 40 and a sensor 50. The sensor 50 is used for detecting the position information of the sensing member 40 to avoid collision between two adjacent lighting modules 30. The sensing member 40 is disposed at one of the two adjacent lighting modules 30, and the sensor 50 is disposed at the other of the two adjacent lighting modules 30. The sensor 40 is arranged on one of the two adjacent lighting modules 30, and the sensor 50 is arranged on the other lighting module 30, so that the position of each lighting module 30 can be determined, the two adjacent lighting modules 30 are prevented from colliding, and the reliability of movement is guaranteed. In particular, the sensor 50 may be an optoelectronic switch.

In one embodiment of the present application, the lighting modules 30 may be three, one sensing element 40 may be disposed in the middle lighting module 30, the sensors 50 may be disposed in the lighting modules 30 on both sides, and the sensors 50 on both sides may sense the sensing element 40 in the middle, so as to avoid the collision between two adjacent lighting modules 30. Of course, the arrangement manner of the lighting module 30 is not limited to this, and may be set according to actual needs, for example, in other embodiments of the present application, the lighting module 30 may also be arranged in two, three or more.

Further, referring to fig. 3 and 5, as a specific embodiment of the lighting device provided in the present application, a grating ruler 11 disposed along the X-axis direction is disposed on the base 10, and a reading head 12 for cooperating with the grating ruler 11 to sense the movement position of the lighting module 30 is disposed on the lighting module 30. Through the cooperation of grating chi 11 and reading head 12 to can learn the displacement volume of lighting module 30 motion, improve motion accuracy and positioning accuracy.

Further, referring to fig. 4 to 7, as an embodiment of the lighting apparatus provided by the present application, the lighting module 30 includes a Y-axis moving assembly 31, a Z-axis moving assembly 32, and a probe assembly 33. The Y-axis moving unit 31 includes a mount 311, a movable mount 312, and a Y-axis driving mechanism 313. The mounting base 311 is connected and fixed to the mover 22. The movable base 312 is provided on the mount 311 and is movable in the Y-axis direction with respect to the mount 311. The Y-axis drive mechanism 313 is provided on the mount 311 and drives the movable mount 312 to move in the Y-axis direction with respect to the mount 311. The Z-axis moving assembly 32 includes a movable frame 321, and a Z-axis drive mechanism 322. The movable frame 321 is disposed on the movable base 312 and is movable along the Z-axis direction relative to the movable base 312. The Z-axis driving mechanism 322 is disposed on the movable base 312 and is configured to drive the movable frame 321 to move along the Z-axis direction relative to the movable base 312. The probe assembly 33 is disposed on the movable frame 321 and is configured to be abutted against or separated from a pin on the display panel, thereby lighting the display panel.

Further, referring to fig. 6 to 7, as an embodiment of the lighting device provided by the present application, the Y-axis driving mechanism 313 includes a Y-axis driving motor 3131 disposed on the mounting base 311, a Y-axis lead screw (not shown) in transmission connection with the Y-axis driving motor 3131, and a Y-axis nut (not shown) in threaded connection with the Y-axis lead screw, and the movable base 312 is connected and fixed with the Y-axis nut. Through the matching of the Y-axis driving motor 3131 and the Y-axis lead screw, the space can be reduced, the size can be reduced, the distance between two adjacent lighting modules 30 can be reduced, and a display panel with smaller pin distance can be compatible.

Further, referring to fig. 6 to 7, as an embodiment of the lighting device provided by the present application, the Z-axis driving mechanism 322 includes a Z-axis driving motor 3221 disposed on the movable base 312, a Z-axis lead screw (not shown) in transmission connection with the Z-axis driving motor 3221, and a Z-axis nut (not shown) in threaded connection with the Z-axis lead screw, and the movable frame 321 is connected and fixed with the Z-axis nut. Through the cooperation of adopting Z axle driving motor 3221 and Z axle lead screw to can further reduce the space, reduce the volume, reduce the interval between two adjacent lighting module 30, can compatible pin interval less display panel.

Further, referring to fig. 6 to 7, as an embodiment of the lighting device provided by the present application, the probe assembly 33 includes a mounting plate 331 disposed on the movable frame 321, and one or more lighting probes 332 disposed on the mounting plate 331. The lighting of the display panel is realized by the lighting probe 332 cooperating with a pin on the display panel.

Further, referring to fig. 6, as an embodiment of the lighting device provided by the present application, a buffer 34 is disposed on the lighting modules 30 for preventing a hard collision between two adjacent lighting modules 30. Specifically, the buffer 34 may be a flexible buffer 34, such as a silicone buffer 34.

Further, referring to fig. 1 to 2, as an embodiment of the lighting device provided by the present application, the base 10 is provided with a limiting member 13 at each end along the X-axis direction, and the limiting members 13 are used for limiting the movement of the mover 22, so as to prevent the mover 22 from falling off from the stator 21, thereby ensuring the reliability and safety of the movement.

Further, referring to fig. 7, as a specific embodiment of the lighting device provided by the present application, a Y-axis sensing piece 3121 is disposed on the movable seat 312, two Y-axis sensing switches (not shown) are disposed on the mounting seat 311 at intervals along the Y-axis direction, and the maximum and minimum strokes of the movable seat 312 in the Y-axis direction can be limited by the cooperation of the Y-axis sensing piece 3121 and the two Y-axis sensing switches. Specifically, the Y-axis inductive switch may be a photoelectric switch.

The movable frame 321 is provided with a Z-axis sensing piece 3211, the movable base 312 is provided with two Z-axis sensing switches (not shown) at intervals along the Z-axis direction, and the maximum and minimum strokes of the movable frame 321 in the Z-axis direction can be limited by the cooperation of the Z-axis sensing piece 3211 and the two Z-axis sensing switches. In particular, the Z-axis inductive switch may be a photoelectric switch.

The operation of the lighting device of one embodiment of the present application is as follows:

firstly, the mover 22 drives the lighting module 30 to move along the X-axis direction to correspond to the position of the pin of the display panel in the X-axis direction;

then, the Y-axis moving component 31 drives the probe component 33 to move along the Y-axis direction until the position of the pin of the display panel on the Y-axis direction corresponds to the pin;

then, the Z-axis moving assembly 32 drives the probe assembly 33 to ascend along the Z-axis direction to the position where the pins of the display panel are located, so that the probe assembly 33 contacts with the pins, thereby realizing the lighting of the display panel.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lighting device, comprising:

a machine base;

2. The lighting device as claimed in claim 1, wherein the X-axis moving assembly further comprises a slide rail disposed on the base and extending in the X-axis direction, and a slider movably disposed on the slide rail in the X-axis direction, the lighting module being coupled to the slider.

3. The lighting device as claimed in claim 1, further comprising a sensing member and a sensor for detecting position information of the sensing member to avoid collision between two adjacent lighting modules, wherein the sensing member is disposed at one of the two adjacent lighting modules, and the sensor is disposed at the other of the two adjacent lighting modules.

4. The lighting device as claimed in claim 1, wherein a grating ruler is disposed on the base along an X-axis direction, and a reading head is disposed on the lighting module for cooperating with the grating ruler to sense a movement position of the lighting module.

5. The lighting device according to claim 1, wherein the lighting module includes:

6. The lighting device according to claim 5, wherein the Y-axis driving mechanism includes a Y-axis driving motor provided on the mount base, a Y-axis lead screw drivingly connected to the Y-axis driving motor, and a Y-axis nut threadedly coupled to the Y-axis lead screw, and the movable base is fixedly connected to the Y-axis nut.

7. The lighting device according to claim 5, wherein the Z-axis driving mechanism includes a Z-axis driving motor provided to the movable base, a Z-axis lead screw drivingly connected to the Z-axis driving motor, and a Z-axis nut threadedly coupled to the Z-axis lead screw, and the movable frame is fixedly connected to the Z-axis nut.

8. The lighting apparatus according to claim 5, wherein the probe assembly includes a mounting plate provided on the movable frame, and one or more lighting probes provided on the mounting plate.

9. The lighting device as claimed in any one of claims 1 to 8, wherein a buffer member is provided on said lighting modules for preventing a hard collision between adjacent two of said lighting modules.

10. The lighting device according to any one of claims 1 to 8, wherein both ends of the base in the X-axis direction are provided with stoppers, respectively, for preventing the mover from falling off from the stator.