CN219456690U

CN219456690U - Mini-LED backlight module

Info

Publication number: CN219456690U
Application number: CN202320898683.1U
Authority: CN
Inventors: 林伟儒; 段永双; 李传烽; 郑恒
Original assignee: Guangdong Kangyuan Semiconductor Co ltd
Current assignee: Guangdong Kangyuan Semiconductor Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-08-01
Anticipated expiration: 2033-04-20

Abstract

The utility model provides a mini-LED backlight module, which specifically comprises: the locating frame, a circuit board is installed to locating frame's inboard, install evenly distributed's connecting block on the circuit board, the outside of connecting block is equipped with four evenly distributed's holding ring, install mini-LED lamp in the holding ring, a cooling frame and display panel are still installed to locating frame's inboard, the mounting hole has been seted up to the cooling frame, cooling frame and circuit board contact, the outside of holding ring is equipped with the convex lens, compress tightly the frame is installed in display panel's outside, display panel's bottom is equipped with the winding displacement, the reinforcement area is installed in the outside of winding displacement. The effect that four mini-LED lamps are installed simultaneously is achieved through the cooperation of the connecting blocks and the positioning rings, the problem of single installation of the existing mini-LEDs is solved, the efficiency of mini-LED installation is improved, and the effect of locking and hiding the positions of the mini-LED lamps is achieved through the positioning rings.

Description

Mini-LED backlight module

Technical Field

The utility model relates to the technical field of LED display, in particular to a mini-LED backlight module.

Background

At present, a liquid crystal display panel with a mini-LED is used on a computer, and as the mini-LED backlight module has the advantages of better brightness and contrast, the liquid crystal display panel with the mini-LED is also used on a notebook computer, but the liquid crystal display panel and the mini-LED which are used at present still have the following defects:

the existing mini-LED lamp needs to be installed independently during installation, the installation steps of the LED lamp are increased, the installation efficiency of the mini-LED lamp is prolonged, in addition, the mini-LED lamp can generate heat of approximately four fifty degrees during use, the heat dissipation is uneven, the service life of the mini-LED can be shortened in time, in addition, the display panel and the flat cable are easy to wear during installation, and the phenomenon that the display of the liquid crystal display panel is unstable is easy to cause.

Disclosure of Invention

In view of this, the present utility model provides a mini-LED backlight module to solve the problems of heat dissipation and protection of the lcd panel of the mini-LED backlight module.

The utility model provides a mini-LED backlight module, which specifically comprises: the locating frame, a circuit board is installed to locating frame's inboard, install evenly distributed's connecting block on the circuit board, the outside of connecting block is equipped with four evenly distributed's holding ring, install mini-LED lamp in the holding ring, a cooling frame and display panel are still installed to locating frame's inboard, the mounting hole has been seted up to the cooling frame, cooling frame and circuit board contact, the outside of holding ring is equipped with the convex lens, compress tightly the frame is installed in display panel's outside, display panel's bottom is equipped with the winding displacement, the reinforcement area is installed in the outside of winding displacement.

Further, the end part of the reinforcing belt is provided with a compressing block which is of a rectangular structure.

Furthermore, the positioning frame is provided with a heat dissipation opening with a rectangular structure, and a filter plug is arranged in the heat dissipation opening.

Further, the positioning frame is provided with two vertical locking blocks, the locking blocks are made of elastic materials, round corners are arranged at the bottoms of the locking blocks, and the locking blocks are in contact with the pressing frame.

Furthermore, the inside of holding ring is cylinder ladder structure, and a mini-LED lamp is all installed to the inside of every holding ring, reserves the filling space between mini-LED lamp and the holding ring.

Further, the outer side face of the connecting block is provided with a rectangular mounting block, the circuit board is provided with a mounting groove matched with the mounting block, and the mounting block is inserted into the mounting groove of the circuit board.

Further, the lateral surface of heat dissipation frame is equipped with evenly distributed's heat conduction block, and the quantity of heat conduction block increases and reduces as required, and the heat conduction block is cylindrical structure, and the heat conduction block extends to the outside of locating frame.

Further, compress tightly the frame and have two to constitute altogether, compress tightly the frame and be equipped with locking piece and locking groove, the locking piece is equipped with firm groove, compresses tightly the top of frame and is equipped with the recess of slope form, compresses tightly the bottom of frame and is equipped with rectangular structure's locating strip.

Advantageous effects

1. According to the utility model, the effect of simultaneously installing four mini-LED lamps is realized by matching the connecting blocks with the positioning rings, the problem of single installation of the existing mini-LEDs is solved, the efficiency of installing the mini-LEDs is accelerated, and the effects of locking and hiding the positions of the mini-LED lamps are realized by the positioning rings;

in addition, the effect of mini-LED positioning is achieved through the mounting blocks, so that the mini-LED is more stable after being mounted.

2. The utility model solves the problem of heat dissipation of the mini-LED and the circuit board, and uniformly and timely dissipates heat of the mini-LED by matching the connecting block with the positioning ring, so that the mini-LED is controlled in a low temperature range;

in addition, the heat dissipation frame is matched with the heat conduction block to simultaneously dissipate heat of the mini-LED lamp and the circuit board, so that the brightness of the LED is more stable, and the service lives of the mini-LED lamp and the circuit board are prolonged.

3. According to the utility model, the flat cable is reinforced by the reinforcing belt matched with the compression block, the compression positioning effect of the display panel is realized by the compression frame, and the compression frame is arranged into two parts, so that the abrasion to the display panel during installation of the compression frame is avoided.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the utility model and are not intended to limit the utility model.

In the drawings:

fig. 1 is a schematic diagram of a sectional axis side structure of a mini-LED backlight module and a liquid crystal display panel according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a positioning frame, a circuit board, a heat sink and a split shaft side structure of a display panel according to an embodiment of the present utility model.

Fig. 3 is a right view axial side structure schematic of fig. 2 according to an embodiment of the present utility model.

FIG. 4 is a schematic illustration of the cross-sectional axial side structure of a connection block and retaining ring of an embodiment of the present utility model.

Fig. 5 is a schematic view of the rear view corner axicon of fig. 4 in accordance with an embodiment of the present utility model.

FIG. 6 is a schematic illustration of a cut-away axial side structure of a positioning frame and reinforcing strip according to an embodiment of the present utility model.

List of reference numerals

1. A positioning frame; 101. a heat radiation port; 102. a locking block; 2. a circuit board; 3. a connecting block; 301. a positioning ring; 302. a mounting block; 4. a heat dissipation frame; 401. a heat conduction block; 5. a convex mirror; 6. a display panel; 601. a flat cable; 7. a pressing frame; 8. reinforcing strips.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Examples: please refer to fig. 1 to 6:

the utility model provides a mini-LED backlight module, which comprises a positioning frame 1, wherein the inner side of the positioning frame 1 is provided with a circuit board 2, the positioning frame 1 is provided with a rectangular heat dissipation port 101, the heat dissipation of a heat dissipation frame 4 is facilitated through the heat dissipation port 101, when the heat dissipation port 101 is not used, a filter plug is arranged in the heat dissipation port 101, dust is blocked by the filter plug, the circuit board 2 is provided with uniformly distributed connecting blocks 3, the outer side of the connecting blocks 3 is provided with four uniformly distributed positioning rings 301, the four positioning rings 301 are connected through the connecting blocks 3, mini-LED lamps are arranged in the positioning rings 301, the number of the positioning rings 301 is 2560, dynamic dimming control and contrast are realized through the mini-LED lamps in the positioning rings 301, the inside of each positioning ring 301 is in a cylindrical ladder structure, the mini-LED lamps are arranged in the inside of each positioning ring 301, the mini-LEDs are formed into a group which is arranged in the positioning ring 301, 640 AM driving ICs are matched to realize the light effect control of the four mini-LEDs, the positioning ring 301 is used for realizing the effect of locking and hiding the positions of the mini-LEDs, the connecting block 3 is matched with the positioning ring 301 to realize the effect of simultaneously installing the four mini-LEDs, the problem of single installation of the existing mini-LEDs is solved, the efficiency of the mini-LEDs is accelerated, the connecting block 3 and the positioning ring 301 are made of metal materials, the connecting block 3 is matched with the positioning ring 301 to absorb the heat of the mini-LEDs, thereby playing the effect of timely heat dissipation of the mini-LEDs, the mini-LEDs are controlled in a low temperature range, a filling space is reserved between the mini-LED lamps and the positioning ring 301, a dam glue is filled in the filling space, the light source is ensured to have higher efficient utilization rate by the dam glue, the problem of light interference of LEDs between different areas is avoided;

the outer side surface of the connecting block 3 is provided with a rectangular mounting block 302, the circuit board 2 is provided with a mounting groove matched with the mounting block 302, the mounting block 302 is inserted into the mounting groove of the circuit board 2, and the positioning effect of the connecting block 3 is realized through the mounting block 302, so that the connecting block 3 and the mini-LED are more stable after being mounted on the circuit board 2;

the inner side of the positioning frame 1 is also provided with a heat dissipation frame 4 and a display panel 6, the heat dissipation frame 4 is provided with mounting holes, the heat dissipation frame 4 is contacted with the circuit board 2, the effect of simultaneously dissipating heat of the circuit board 2 and the mini-LED lamp is realized through the heat dissipation frame 4, the outer side surface of the heat dissipation frame 4 is provided with heat conduction blocks 401 which are uniformly distributed, the number of the heat conduction blocks 401 is increased and reduced according to the requirement, the heat conduction blocks 401 are of cylindrical structures, the heat conduction blocks 401 extend to the outer side of the positioning frame 1, a sealing cover of a computer is required to be provided with mounting holes corresponding to the heat conduction blocks 401, the heat conduction blocks 401 are fully contacted with air at the outer side, the heat dissipation effect of the heat dissipation frame 4 is accelerated through the heat conduction blocks 401, the LED lamp mounted in the connecting block 3 is cooled through the heat dissipation frame 4, so that the brightness of the LED is more stable, meanwhile, the outer side of the positioning ring 301 is provided with a convex lens 5, the convex lens 5 improves the light scattering effect, and the brightness of a picture is more uniform;

the outside of display panel 6 is installed and is pressed frame 7, it constitutes to press frame 7 altogether, it is equipped with locking piece and locking groove to press frame 7, the locking piece is equipped with firm groove, it realizes the effect that two pressing frame 7 are firm to be connected to cooperate through locking piece and locking groove, realize the effect that display panel 6 compresses tightly the location through two pressing frame 7, the wearing and tearing that cause display panel 6 when having avoided pressing frame 7 to install in addition, pressing frame 7's top is equipped with the recess of slope form, the setting of recess is convenient to dismantle pressing frame 7 with the instrument, pressing frame 7's bottom is equipped with rectangular structure's location strip, realize the effect of quick alignment when two pressing frame 7 are connected through the location strip, location frame 1 is equipped with two vertical locking pieces 102, locking piece 102 is elastic material, the bottom of locking piece 102 is equipped with the fillet, locking piece 102 contacts with pressing frame 7, from this, it realizes the effect of display panel 6 position locking through locking piece 102, thereby the bottom of display panel 6 is more firm after the installation, display panel 6 is equipped with winding displacement 601, winding displacement 601's outside is installed and is strengthened and is taken 8, can be taken 8 with the reinforcement, can be taken 8 and be taken reinforcement, carry out the effect of winding displacement through the reinforcement through the setting up and take the reinforcement 8 and the reinforcement strip is connected with the reinforcement strip through the reinforcement strip, the reinforcement strip is 8, the winding displacement 601 is convenient to take 601, winding displacement is realized through setting up and is connected with the reinforcement strip and is connected through the reinforcement strip and is connected to the reinforcement 1.

Specific use and action of the embodiment:

when the LED display screen is used, firstly, two compression frames 7 are aligned through positioning strips, then, the two compression frames 7 are matched with locking blocks to be installed on the outer side of a display panel 6, compression positioning of the display panel 6 is completed, mini-LED lamps are installed in positioning rings 301, locking and hiding effects of the mini-LED lamps are completed, a connecting block 3 is installed on a circuit board 2 through a manipulator, positioning is performed through installing blocks 302, after the connecting block 3 is installed, the effect of simultaneously installing four mini-LEDs is completed, the mini-LEDs are installed in the positioning frames 1 through the circuit board 2, filling spaces are reserved between the mini-LED lamps and the positioning rings 301, dam glue is filled in the filling spaces, a heat dissipation frame 4 is in contact with the circuit board 2 and the installing blocks 302, then, the display panel 6 is installed in the positioning frames 1, and when the compression frames 7 are removed, a tool is aligned with a groove above the compression frames 7 to be detached;

the LED lamp is matched with 640 AM drive ICs to realize light effect control of four mini-LEDs, the connecting block 3 and the positioning ring 301 are made of metal, the connecting block 3 is matched with the positioning ring 301 to absorb heat of the mini-LEDs, so that the effect of timely radiating the heat of the mini-LEDs is achieved, the mini-LEDs are controlled in a low temperature range, mounting holes corresponding to the heat conduction blocks 401 are required to be formed in a sealing cover of a computer, the heat conduction blocks 401 are enabled to be fully contacted with outside air, the radiating effect of the radiating frame 4 is accelerated through the heat conduction blocks 401, and the LED lamp mounted in the connecting block 3 is radiated through the heat dissipation frame 4 matched with the heat conduction blocks 401.

Claims

mini-LED backlight unit, its characterized in that includes: the circuit board (2), evenly distributed's connecting block (3) are installed in the outside of circuit board (2), and the outside of connecting block (3) is equipped with four evenly distributed's holding ring (301), installs mini-LED lamp in holding ring (301), and heat dissipation frame (4) are still installed to the inboard of locating frame (1), and the mounting hole has been seted up to heat dissipation frame (4), and heat dissipation frame (4) and circuit board (2) contact, and the outside of holding ring (301) is equipped with convex lens (5).
2. The mini-LED backlight module of claim 1, wherein: the inside of each positioning ring (301) is of a cylindrical ladder structure, a mini-LED lamp is arranged in each positioning ring (301), and a filling space is reserved between each mini-LED lamp and each positioning ring (301).
3. The mini-LED backlight module of claim 1, wherein: the outer side face of connecting block (3) is equipped with installation piece (302) of a rectangle structure, and circuit board (2) are offered and are agreed with the mounting groove of installation piece (302), and installation piece (302) are interlude in the mounting groove of circuit board (2).
4. The mini-LED backlight module of claim 1, wherein: the outer side surface of the heat dissipation frame (4) is provided with heat conduction blocks (401) which are uniformly distributed, the number of the heat conduction blocks (401) is increased and reduced according to requirements, and the heat conduction blocks (401) extend to the outer side of the positioning frame (1).
5. The mini-LED backlight module of claim 1, wherein: the circuit board is characterized in that a positioning frame (1) is arranged on the outer side of the circuit board (2), a heat dissipation opening (101) is formed in the positioning frame (1), a filter plug is arranged in the heat dissipation opening (101), a display panel (6) is arranged on the inner side of the positioning frame (1), a compression frame (7) is arranged on the outer side of the display panel (6), a flat cable (601) is arranged at the bottom of the display panel (6), and a reinforcing belt (8) is arranged on the outer side of the flat cable (601).
6. The mini-LED backlight module of claim 5, wherein: the positioning frame (1) is provided with two vertical locking blocks (102), the locking blocks (102) are made of elastic materials, round corners are arranged at the bottoms of the locking blocks (102), and the locking blocks (102) are in contact with the pressing frame (7).
7. The mini-LED backlight module of claim 5, wherein: the utility model discloses a compression frame, including compression frame (7), compression frame (7) and fixed slot, compression frame (7) all have two constitutions, and compression frame (7) are equipped with locking piece and locking groove, and the locking piece is equipped with firm groove, and compression frame (7)'s top is equipped with the recess of slope form, and compression frame (7)'s bottom is equipped with rectangular structure's location strip.
8. The mini-LED backlight module of claim 5, wherein: the end part of the reinforcing belt (8) is provided with a compression block, and the compression block is contacted with the flat cable (601).