CN113724580A - Modularized MiniLED backlight source and manufacturing method thereof - Google Patents
Modularized MiniLED backlight source and manufacturing method thereof Download PDFInfo
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- CN113724580A CN113724580A CN202110677563.4A CN202110677563A CN113724580A CN 113724580 A CN113724580 A CN 113724580A CN 202110677563 A CN202110677563 A CN 202110677563A CN 113724580 A CN113724580 A CN 113724580A
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Abstract
The application relates to a modularized MiniLED backlight source and a manufacturing method thereof, belonging to the field of MiniLED backlight sources, wherein the MiniLED backlight source comprises a mounting frame, a plurality of backlight plates arranged on the mounting frame, a plurality of LED micro-lamps arranged on the backlight plates, a clamping mechanism arranged between the backlight plates and the mounting frame and used for fixing the backlight plates, and a control rod arranged on the mounting frame and used for controlling the clamping mechanism, wherein a plurality of adjacent backlight plates are mutually abutted; the mounting bracket is provided with a splicing hole, the control rod can slide and rotate in the splicing hole, and one end of the control rod, which is far away from the clamping mechanism, is provided with a self-locking mechanism for limiting the rotation of the control rod. Which improves the utilization of resources.
Description
Technical Field
The application relates to the field of MiniLED backlight sources, in particular to a modularized MiniLED backlight source and a manufacturing method thereof.
Background
The MiniLED backlight source is mainly applied to electronic products with display screens, such as mobile phones, televisions, computers and the like, and the MiniLED backlight source is used for thinning, microminiaturizing and arraying the traditional LED backlight source, so that the LED unit can reach about 100 micrometers, the fine light control effect is realized, and the service life is greatly prolonged compared with an OLED.
At present, the miniLED backlight adopts the board in a poor light to combine a large amount of LED micron lamp combinations to make, integrated into one piece usually, however, once the part of miniLED backlight damages, need change whole miniLED backlight, and the preparation of miniLED backlight is comparatively complicated, and the cost is higher, and whole change causes a large amount of wastes of resource.
In view of the above-mentioned related art, the inventor believes that there is a defect that resources are wasted once the MiniLED backlight is damaged and replaced.
Disclosure of Invention
In order to improve the utilization rate of resources, the application provides a modular MiniLED backlight source and a manufacturing method thereof.
The technical scheme adopted by the modularized MiniLED backlight source and the manufacturing method thereof is as follows:
in a first aspect, the present application provides a modular MiniLED backlight, which adopts the following technical solution:
a modularized MiniLED backlight source comprises a mounting frame, a plurality of backlight plates arranged on the mounting frame, a plurality of LED micro-lamps arranged on the backlight plates, a clamping mechanism arranged between the backlight plates and the mounting frame and used for fixing the backlight plates, and a control rod arranged on the mounting frame and used for controlling the clamping mechanism, wherein a plurality of adjacent backlight plates are mutually abutted;
the mounting bracket is provided with a splicing hole, the control rod can slide and rotate in the splicing hole, and one end of the control rod, which is far away from the clamping mechanism, is provided with a self-locking mechanism for limiting the rotation of the control rod.
By adopting the technical scheme, when a worker assembles the MiniLED backlight source, the backlight plate is placed on the mounting frame, then the self-locking state of the self-locking mechanism is released, the self-locking mechanism drives the control rod to rotate, the control rod drives the clamping mechanism to operate, the clamping mechanism fixes the backlight plate on the mounting frame, and the self-locking mechanism enables the control rod to form a self-locking state, so that the control rod is not easily influenced by vibration or mistaken collision of maintainers and the like to rotate in the use process, and the clamping mechanism is not easy to loosen; if the MiniLED backlight is locally damaged, the self-locking state of the self-locking mechanism is released, the control rod drives the clamping mechanism to loosen, the backlight plate at the damaged part is taken down and replaced by a new backlight plate, and compared with the integrally formed MiniLED backlight, the maintenance cost is greatly reduced, and the utilization rate of resources is improved.
Optionally, the clamping mechanism comprises two clamping blocks connected to the mounting frame in a sliding manner, a guide plate arranged between the two clamping blocks, a lifting screw rod connected to the guide plate in a threaded manner, a clamping block arranged on the lifting screw rod, a guide piece arranged between the clamping blocks and the mounting frame and used for guiding and limiting the sliding of the clamping blocks, an elastic piece arranged between the two clamping blocks and used for enabling the two clamping blocks to approach each other, and a positioning piece arranged between the mounting frame and the backlight plate and used for positioning the mounting of the backlight plate;
two the grip block interval sets up, the fixed slot has been seted up on the board in a poor light, two the grip block respectively with two inside wall butts that the fixed slot is relative, the deflector slides simultaneously with two grip blocks and is connected, lifting screw rod one end is rotated with the joint piece and is connected, the other end and control lever fixed connection, the joint piece is located between two grip blocks, the side that the joint piece is close to two grip blocks is the inclined plane setting, the inclined plane is by middle to a lopsidedness, the grip block is close to one side of joint piece and sets up the chute with joint piece inclined plane looks adaptation, joint piece butt is in two chutes simultaneously, just the inclination of chute is unanimous with the inclination on joint piece inclined plane.
By adopting the technical scheme, a worker needs to remove the fixed state of the clamping mechanism, when taking the damaged backlight plate out of the mounting frame, the self-locking mechanism drives the control rod to rotate, the control rod drives the clamping block to be positioned in the chute to slide upwards, the two clamping blocks move to one side close to each other under the action of the elastic piece and the guide piece to separate the clamping blocks from the side wall of the fixed groove, then the worker pushes the damaged backlight plate upwards to take the damaged backlight plate out, then the worker places a new backlight plate on the mounting frame and positions the backlight plate through the positioning piece, the two clamping blocks are inserted into the fixed groove, then the self-locking mechanism drives the control rod to rotate again, the control rod drives the lifting screw rod to rotate, the lifting screw rod drives the clamping blocks to be positioned in the chute to move downwards, and the two clamping blocks move to one side away from each other, and the clamping blocks are pressed on two opposite side walls of the fixing groove, so that the two clamping blocks cannot be separated from the fixing groove, and the backlight plate can be fixed.
Optionally, the guide piece is a dovetail block, the dovetail block is fixedly connected with the clamping block, a dovetail groove matched with the dovetail block is formed in the mounting rack, and the dovetail block is located in the dovetail groove and slides.
By adopting the technical scheme, the dovetail block can only slide along the opening direction of the dovetail groove, so that the sliding motion of the clamping block is realized, and the guide and limiting effects on the movement of the clamping block are realized.
Optionally, the elastic part is a clamping spring, and two ends of the clamping spring are fixedly connected with one side of the two clamping blocks, which are close to each other, respectively.
Through adopting above-mentioned technical scheme, when two lateral wall butts that two grip blocks are relative with the fixed slot, the joint spring has the elastic potential energy that is in tensile state, so when the joint piece is located the chute rebound, two grip blocks are close to each other under the effect of joint spring elastic potential energy to make the lateral wall separation of grip block and fixed slot, can relieve clamping mechanism's joint state.
Optionally, the positioning member is a positioning column, the positioning column is fixedly connected with the mounting frame, a positioning hole is formed in the backlight plate, and the positioning column is inserted into the positioning groove.
Through adopting above-mentioned technical scheme, the reference column is used for playing the location connection effect when being connected for the board in a poor light with the mounting bracket, and the reference column is pegged graft in the locating hole after, the board in a poor light can not the mutual displacement dislocation with the mounting bracket to make both more swift convenient connections, and the reference column has certain intensity, simple structure, low in manufacturing cost, has further strengthened being connected of board in a poor light with the mounting bracket.
Optionally, a chamfer is formed at one end, away from the mounting frame, of the positioning column.
Through adopting above-mentioned technical scheme, the chamfer plays the effect of direction and location for the reference column when inserting the locating hole in, makes things convenient for the staff to insert the locating column in the locating hole to make things convenient for the installation of board in a poor light.
Optionally, the self-locking mechanism comprises a self-locking rod connected in the control rod in a sliding manner, a limiting ring sleeved on the self-locking rod, a plurality of insertion rods fixedly arranged at one end of the self-locking rod, a return spring arranged between the self-locking rod and the control rod, and a driving piece arranged at one end of the self-locking rod, which is far away from the control rod, and used for driving the control rod to rotate;
the utility model discloses a control rod, including control rod, limiting ring, control rod, reset spring, control rod one end opening, just the inside cavity of control, all be located the inside slip of control rod from locking lever and limiting ring, the diameter of limiting ring is greater than the opening diameter of control rod, a plurality of inserting grooves have been seted up on the control rod inside wall, and is a plurality of inserting rod and a plurality of inserting groove one-to-one, the inserting rod can peg graft in the inserting groove, reset spring one end and control rod butt, the other end and self-locking lever butt.
By adopting the technical scheme, when the staff controls the control rod to rotate through the self-locking mechanism, the driving piece is firstly pushed upwards, the driving piece drives the self-locking rod to move upwards, the self-locking rod drives the plugging rod to move upwards, the plugging rod is inserted into the plugging groove, if the driving piece is pushed upwards, the plugging rod is not plugged into the plugging groove, only the driving piece is needed to drive the self-locking rod to rotate, the plugging rod is plugged into the plugging groove, and then the staff drives the self-locking rod to rotate through the driving piece, the self-locking rod drives the plugging rod to rotate, and the plugging rod can drive the control rod to rotate; after the worker loosens the driving piece, under the action of the return spring, the compressed return spring pushes the self-locking rod to move downwards, so that the insertion rod is pulled out from the insertion groove, and the separation of the self-locking rod and the control rod is realized.
Optionally, the driving member is a knob, the knob is fixedly connected with the self-locking rod, and the knob is located at one end of the self-locking rod, which is far away from the control rod.
Through adopting above-mentioned technical scheme, the staff rotates the knob, and the knob can drive from the locking lever and rotate to realize the rotation of control lever, the knob provides handheld position for the staff, makes things convenient for the staff to rotate from the locking lever.
Optionally, the limiting ring and the self-locking rod are integrally formed.
Through adopting above-mentioned technical scheme, integrated into one piece sets up firm in connection, intensity is high, stable in use to it is more firm to make spacing ring and self-locking pole be connected, and then improves connection stability between them.
In a second aspect, the present application further provides a method for manufacturing a modular MiniLED backlight, which adopts the following technical scheme:
a manufacturing method of a modular MiniLED backlight source is suitable for one modular MiniLED backlight source, and comprises the following manufacturing steps:
s1, manufacturing a backlight plate: marking and scribing, namely dividing a large backlight plate into small backlight plates, and deburring and flashing:
s2, mounting an LED micrometer lamp: fixing the LED micrometer lamp with the backlight plate through bonding;
s3, mounting a backlight plate:
s31, controlling the control rod to rotate through the self-locking mechanism;
s32, the backlight plate is connected with the mounting frame through the control rod control clamping mechanism.
By adopting the technical scheme, when a worker makes a MiniLED backlight source, firstly, a large backlight plate is divided to form a plurality of small backlight plates, then the LED micron lamp is connected with the backlight plate through bonding, then the backlight plate is placed on the mounting frame, then the self-locking assembly is used for controlling the control rod to rotate, the control rod drives the clamping mechanism to connect the backlight plate with the mounting frame, and then the backlight plate can be fixed on the mounting frame; if the MiniLED backlight source is locally damaged, only the backlight plate at the damaged part needs to be taken down and replaced by a new backlight plate, so that the utilization rate of resources is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. if the MiniLED backlight source is locally damaged, the self-locking state of the self-locking mechanism is released, the control rod drives the clamping mechanism to loosen, and the backlight plate at the damaged part is taken down and replaced by a new backlight plate;
2. when the damaged backlight plate needs to be replaced, the control rod is only required to be rotated, the control rod can release the fixation of the backlight plate, the replacement process is simple to operate, and workers can conveniently maintain the MiniLED backlight source;
3. self-locking mechanism makes the control rod form self-locking state to make the control rod be difficult for receiving vibrations or maintainer's mistake to bump the influence such as take place to rotate in the use, thereby improved the stability of MiniLED backlight.
Drawings
Fig. 1 is a schematic structural diagram of a MiniLED backlight in an embodiment of the present application;
FIG. 2 is a schematic diagram showing a partial explosion structure of a MiniLED backlight;
fig. 3 is a partial enlarged view illustrating a structure of a portion a of fig. 2;
FIG. 4 is a schematic diagram showing a partial explosion structure of the back side of a MiniLED backlight;
fig. 5 is a partial sectional view showing the self-locking mechanism and the click mechanism.
Description of reference numerals: 1. a mounting frame; 11. inserting holes; 12. a dovetail groove; 2. a backlight plate; 21. fixing grooves; 3. an LED micro-meter lamp; 4. a clamping mechanism; 41. a clamping block; 411. a chute; 42. a guide plate; 43. a lifting screw; 44. a clamping block; 441. a bevel; 45. a guide member; 46. an elastic member; 47. a positioning member; 471. chamfering; 5. a control lever; 51. inserting grooves; 6. a self-locking mechanism; 61. a self-locking lever; 62. a limiting ring; 63. a plug rod; 64. a return spring; 65. a drive member.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a modularization MiniLED backlight. Referring to fig. 1 and 2, the MiniLED backlight source includes a mounting frame 1, a plurality of backlight plates 2 are arranged on the mounting frame 1, the backlight plates 2 are rectangular plates, the plurality of backlight plates 2 are uniformly arranged at intervals along the transverse direction and the longitudinal direction, and a plurality of adjacent backlight plates 2 are abutted to each other; every is provided with a plurality of LED micron lamps 3 on the board 2 in a poor light, and a plurality of LED micron lamps 3 are located even interval arrangement on the board 2 in a poor light. A clamping mechanism 4 is arranged between the backlight plate 2 and the mounting rack 1, and the clamping mechanism 4 is used for fixing the backlight plate 2; be provided with control lever 5 on the mounting bracket 1, control lever 5 is used for controlling 4 operations of latch mechanism, has seted up spliced eye 11 on the mounting bracket 1, and control lever 5 can be located and slide and rotate in spliced eye 11. One end of the control rod 5, which is far away from the clamping mechanism 4, is provided with a self-locking mechanism 6, and the self-locking mechanism 6 is used for limiting the rotation of the control rod 5.
When a worker assembles the miniLED backlight source, firstly, the backlight plate 2 is placed on the mounting frame 1, then the self-locking state of the self-locking mechanism 6 is released, the self-locking mechanism 6 drives the control rod 5 to rotate, the control rod 5 drives the clamping mechanism 4 to operate, the clamping mechanism 4 fixes the backlight plate 2 on the mounting frame 1, then the self-locking mechanism 6 enables the control rod 5 to form the self-locking state, so that the control rod 5 is not easily affected by vibration or mistaken collision of a maintainer and the like to rotate in the using process, and the clamping mechanism 4 is not easy to loosen; if the local part of the MiniLED backlight source is damaged, the self-locking state of the self-locking mechanism 6 is released, the fixed state of the clamping mechanism 4 is released through the control rod 5, and the backlight plate 2 at the damaged part is taken down and replaced by a new backlight plate 2.
Referring to fig. 3 and 4, the clamping mechanism 4 includes two clamping blocks 41 connected to the mounting frame 1 in a sliding manner, the clamping blocks 41 are flat cuboids, and the two clamping blocks 41 are arranged symmetrically and at intervals; the backlight plate 2 is provided with a fixing groove 21, and the two clamping blocks 41 are respectively abutted against two inner side walls opposite to the fixing groove 21. A guide plate 42 is arranged between the two clamping blocks 41, the guide plate 42 is also a flat rectangular plate, and the guide plate 42 is connected with the two clamping blocks 41 in a sliding manner. The guide plate 42 is provided with a lifting screw 43, the lifting screw 43 is in threaded connection with the guide plate 42, and one end of the lifting screw 43 is fixedly connected with the control rod 5. The one end that the control lever 5 was kept away from to lifting screw 43 is provided with joint piece 44, joint piece 44 is located between two grip blocks 41, joint piece 44 rotates with lifting screw 43 to be connected, the side that joint piece 44 is close to two grip blocks 41 is the inclined plane 441 setting, inclined plane 441 is by middle to one side slope, the chute 411 with joint piece 44 inclined plane 441 looks adaptation is seted up to one side that grip block 41 is close to joint piece 44, joint piece 44 butts simultaneously in two chutes 411, and the inclination of chute 411 is unanimous with the inclination of joint piece 44 inclined plane 441.
Referring to fig. 3 and 5, a guide 45 is arranged between the clamping block 41 and the mounting frame 1, the guide 45 is used for guiding and limiting the sliding of the clamping block 41, the guide 45 is a dovetail block, the dovetail block is fixedly connected with the clamping block 41, a dovetail groove 12 matched with the dovetail block is formed in the mounting frame 1, and the dovetail block is located in the dovetail groove 12 and slides.
Referring to fig. 3 and 5, an elastic member 46 is disposed between the two clamping blocks 41, the elastic member 46 is used for making the two clamping blocks 41 approach each other, the elastic member 46 is configured as a clamping spring, and two ends of the clamping spring are fixedly connected with one side of the two clamping blocks 41 approaching each other.
Referring to fig. 2 and 3, a positioning member 47 is arranged between the mounting frame 1 and the backlight plate 2, the positioning member 47 is used for positioning the mounting of the backlight plate 2, the positioning member 47 is a positioning column, the positioning column is fixedly connected with the mounting frame 1, the backlight plate 2 is provided with a positioning hole, and the positioning column is inserted into the positioning groove; the chamfer 471 has been seted up to the one end that the mounting bracket 1 was kept away from to the reference column, and chamfer 471 is used for playing the effect of direction and location when inserting the locating hole for the reference column, makes things convenient for the staff to insert the locating hole with the reference column.
When a worker needs to overhaul or replace the damaged backlight plate 2, the worker drives the control rod 5 to rotate through the self-locking mechanism 6, the control rod 5 drives the lifting screw 43 to rotate, the lifting screw 43 drives the clamping blocks 44 to be positioned in the chute 411 to slide upwards, the two clamping blocks 44 move towards one side close to each other under the action of the clamping spring and the dovetail block, so that the clamping blocks 44 are separated from the side wall of the fixed groove 21, the worker pushes the damaged backlight plate 2 upwards to take the damaged backlight plate 2 down, the worker places a new backlight plate 2 on the mounting frame 1 and positions the backlight plate 2 through the positioning columns, the two clamping blocks 41 are inserted into the fixed groove 21, the positioning columns are inserted into the positioning holes, the backlight plate 2 and the mounting frame 1 cannot move or be displaced mutually, the control rod 5 is driven to rotate through the self-locking mechanism 6 again, the control rod 5 drives the lifting screw 43 to rotate, the lifting screw 43 drives the clamping block 44 to move downwards in the chute 411, so that the two clamping blocks 41 move towards one side away from each other and are pressed on two opposite side walls of the fixing groove 21, the two clamping blocks 41 cannot be separated from the fixing groove 21, and the backlight plate 2 can be fixed.
Referring to fig. 3 and 5, the self-locking mechanism 6 includes a self-locking rod 61 slidably connected in the control rod 5, the control rod 5 is hollow and has an opening at one end, and the self-locking rod 61 is slidably located in the control rod 5; from the cover is equipped with spacing ring 62 on the locking lever 61, spacing ring 62 and from locking lever 61 integrated into one piece, and spacing ring 62 also is located inside the sliding of control lever 5, and the diameter of spacing ring 62 is greater than the opening diameter of control lever 5 to make spacing ring 62 can't break away from inside the control lever 5. Two inserting rods 63 are fixedly arranged at one end of the self-locking rod 61, two inserting grooves 51 are formed in the inner side wall of the control rod 5, the two inserting rods 63 correspond to the two inserting grooves 51 one by one, and the inserting rods 63 can be inserted into the inserting grooves 51. A return spring 64 is provided between the self-locking lever 61 and the control lever 5, and one end of the return spring 64 abuts against the control lever 5 and the other end abuts against the self-locking lever 61. From locking lever 61 to keep away from 5 one end of control lever and be provided with driving piece 65, driving piece 65 is used for drive control lever 5 to rotate, and driving piece 65 is the knob, knob and from locking lever 61 fixed connection, and the knob is located the one end of keeping away from control lever 5 from locking lever 61, and the knob is used for providing handheld position for the staff, makes things convenient for the staff to rotate from locking lever 61.
When a worker operates the control rod 5 to rotate through the self-locking mechanism 6, the knob is pushed upwards firstly, the knob drives the self-locking rod 61 to move upwards, the self-locking rod 61 drives the inserting rod 63 to move upwards, the inserting rod 63 is inserted into the inserting groove 51, if the knob is pushed upwards, the inserting rod 63 is not inserted into the inserting groove 51, only the driving piece 65 is needed to drive the self-locking rod 61 to rotate, the inserting rod 63 is inserted into the inserting groove 51, then the worker rotates the knob, the knob drives the self-locking rod 61 to rotate, the self-locking rod 61 drives the inserting rod 63 to rotate, and the inserting rod 63 can drive the control rod 5 to rotate; after the operator releases the knob, under the action of the return spring 64, the compressed return spring 64 pushes the self-locking rod 61 to move downwards, so that the insertion rod 63 is pulled out from the insertion groove 51, and the self-locking rod 61 is separated from the control rod 5.
The embodiment of the application also discloses a manufacturing method of the modular miniLED backlight source, which is applied to the modular miniLED backlight source and comprises the following manufacturing steps:
s1, manufacturing the backlight plate 2: marking and scribing, namely dividing the large backlight plate 2 into small backlight plates 2, and deburring and flashing:
s2, mounting the LED micrometer lamp 3: fixing the LED micrometer lamp 3 with the backlight plate 2 through bonding;
s3, mounting the backlight plate 2:
s31, firstly, inserting the positioning column into the positioning hole on the backlight plate 2, then pushing the knob upwards, the knob driving the self-locking rod 61 to move upwards, and after the self-locking rod 61 driving the inserting rod 63 to be inserted into the inserting groove 51, rotating the knob, the knob can control the control rod 5 to rotate;
s32, control lever 5 drives lifting screw 43 and rotates after that, lifting screw 43 drives joint piece 44 rebound, two grip blocks 41 are close to each other in the effect of joint spring, insert the grip block 41 in the fixed slot 21 on the board 2 in a poor light afterwards, the knob is rotated to the direction after that, the knob drives lifting screw 43 and rotates, lifting screw 43 drives joint piece 44 and moves down, joint piece 44 drives two grip blocks 41 and compresses tightly in the fixed slot 21 on the board 2 in a poor light, can accomplish the preparation of MiniLED backlight.
The implementation principle of the modular miniLED backlight source and the manufacturing method thereof in the embodiment of the application is as follows: when assembling the miniLED backlight source, a worker firstly places the backlight plate 2 on the mounting frame 1, then pushes the knob upwards to enable the plug-in rod 63 to be plugged into the plug-in groove 51, then rotates the knob, the knob drives the control rod 5 to rotate, the control rod 5 drives the clamping mechanism 4 to operate, the clamping mechanism 4 fixes the backlight plate 2 on the mounting frame 1, and then the self-locking mechanism 6 enables the control rod 5 to form a self-locking state, so that the control rod 5 is not easy to be affected by vibration or mistaken collision of an overhaul worker and the like to rotate in the using process, and the clamping mechanism 4 is not easy to loosen; if the miniLED backlight is locally damaged, the self-locking state of the self-locking mechanism 6 is released, the control rod 5 drives the clamping mechanism 4 to be loosened, the backlight plate 2 at the damaged part is taken down and replaced by a new backlight plate 2, and compared with the integrally formed miniLED backlight, the maintenance cost is greatly reduced, and the utilization rate of resources is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A modular MiniLED backlight, comprising: the LED backlight module comprises a mounting frame (1), a plurality of backlight plates (2) arranged on the mounting frame (1), a plurality of LED micro-lamps (3) arranged on the backlight plates (2), a clamping mechanism (4) arranged between the backlight plates (2) and the mounting frame (1) and used for fixing the backlight plates (2), and a control rod (5) arranged on the mounting frame (1) and used for controlling the clamping mechanism (4), wherein the plurality of adjacent backlight plates (2) are mutually abutted;
the mounting bracket (1) is provided with an inserting hole (11), the control rod (5) can be positioned in the inserting hole (11) to slide and rotate, and one end, far away from the clamping mechanism (4), of the control rod (5) is provided with a self-locking mechanism (6) used for limiting the rotation of the control rod (5).
2. The modular MiniLED backlight of claim 1, wherein: the clamping mechanism (4) comprises two clamping blocks (41) connected to the mounting frame (1) in a sliding manner, a guide plate (42) arranged between the two clamping blocks (41), a lifting screw (43) connected to the guide plate (42) in a threaded manner, a clamping block (44) arranged on the lifting screw (43), a guide piece (45) arranged between the clamping blocks (41) and the mounting frame (1) and used for guiding and limiting the sliding of the clamping blocks (41), an elastic piece (46) arranged between the two clamping blocks (41) and used for enabling the two clamping blocks (41) to be close to each other, and a positioning piece (47) arranged between the mounting frame (1) and the backlight plate (2) and used for positioning the mounting of the backlight plate (2);
the two clamping blocks (41) are arranged at intervals, the backlight plate (2) is provided with a fixed groove (21), the two clamping blocks (41) are respectively abutted against two inner side walls opposite to the fixed groove (21), the guide plate (42) is connected with the two clamping blocks (41) in a sliding manner, one end of the lifting screw rod (43) is rotatably connected with the clamping block (44), the other end of the lifting screw rod is fixedly connected with the control rod (5), the clamping block (44) is positioned between the two clamping blocks (41), the side surfaces of the clamping block (44) close to the two clamping blocks (41) are arranged in an inclined plane (441), the inclined plane (441) inclines from the middle to one side, one side of the clamping block (41) close to the clamping block (44) is provided with a chute (411) matched with the inclined plane (441) of the clamping block (44), and the clamping block (44) is abutted against the two chutes (411) at the same time, and the inclined angle of the chute (411) is consistent with the inclined angle of the inclined surface (441) of the clamping block (44).
3. The modular MiniLED backlight of claim 2, wherein: the guide piece (45) is a dovetail block, the dovetail block is fixedly connected with the clamping block (41), a dovetail groove (12) matched with the dovetail block is formed in the mounting rack (1), and the dovetail block is located in the dovetail groove (12) and slides.
4. The modular MiniLED backlight of claim 2, wherein: the elastic piece (46) is arranged to be a clamping spring, and two ends of the clamping spring are fixedly connected with one side, close to the two clamping blocks (41), of each other respectively.
5. The modular MiniLED backlight of claim 2, wherein: the positioning piece (47) is a positioning column, the positioning column is fixedly connected with the mounting frame (1), the backlight plate (2) is provided with a positioning hole, and the positioning column is inserted into the positioning groove.
6. The modular MiniLED backlight of claim 5, wherein: and one end of the positioning column, which is far away from the mounting frame (1), is provided with a chamfer (471).
7. The modular MiniLED backlight of claim 1, wherein: the self-locking mechanism (6) comprises a self-locking rod (61) connected in the control rod (5) in a sliding manner, a limiting ring (62) sleeved on the self-locking rod (61), a plurality of inserting rods (63) fixedly arranged at one end of the self-locking rod (61), a return spring (64) arranged between the self-locking rod (61) and the control rod (5), and a driving piece (65) arranged at one end, far away from the control rod (5), of the self-locking rod (61) and used for driving the control rod (5) to rotate;
control lever (5) one end opening, just control inside cavity, all be located inside the sliding of control lever (5) from locking lever (61) and spacing ring (62), the diameter of spacing ring (62) is greater than the opening diameter of control lever (5), a plurality of inserting grooves (51) have been seted up on control lever (5) inside wall, and is a plurality of inserting rods (63) and a plurality of inserting grooves (51) one-to-one, inserting rods (63) can peg graft in inserting grooves (51), reset spring (64) one end and control lever (5) butt, the other end and from locking lever (61) butt.
8. The modular MiniLED backlight of claim 7, wherein: the driving piece (65) is a knob, the knob is fixedly connected with the self-locking rod (61), and the knob is located at one end, far away from the control rod (5), of the self-locking rod (61).
9. The modular MiniLED backlight of claim 8, wherein: the limiting ring (62) and the self-locking rod (61) are integrally formed.
10. A method of making a MiniLED backlight for use in the practice of any of claims 1 to 9, comprising the steps of:
s1, producing a backlight plate (2): marking and scribing, namely dividing the large backlight plate (2) into small backlight plates (2), and deburring and flashing:
s2, mounting the LED micro-lamp (3): fixing the LED micro-lamp (3) with the backlight plate (2) through bonding;
s3, mounting the backlight plate (2):
s31, controlling the control rod (5) to rotate through the self-locking mechanism (6);
s32, the clamping mechanism (4) is controlled through the control rod (5) to connect the backlight plate (2) with the mounting rack (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110194618 | 2021-02-21 | ||
| CN2021101946186 | 2021-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113724580A true CN113724580A (en) | 2021-11-30 |
| CN113724580B CN113724580B (en) | 2022-12-27 |
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| CN115862463A (en) * | 2023-02-27 | 2023-03-28 | 惠科股份有限公司 | Back plate assembly, backlight module and display |
| CN116013149A (en) * | 2023-02-27 | 2023-04-25 | 惠科股份有限公司 | Backboard assembly, backlight module and display |
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