Reinforced liquid crystal LPI display screen backlight module

Abstract

The utility model discloses a reinforced liquid crystal LPI display screen backlight module. The reinforced liquid crystal LPI display screen backlight module comprises a rear-mounted backlight module, according to the rear-mounted backlight module, the LED lamp strip is mounted on the inner side of the mounting groove through screws, the lamp beads penetrate through the first lamp holes and the second lamp holes to enter the position between the reflecting film and the diffusion film, and then the connecting wires are connected with the LED lamp strip, so that mounting of the LED lamp strip can be completed; when the LED light bar needs to be detached and replaced, the LED light bar installed on the inner side of the installation groove can be detached, repaired and replaced only by detaching the sealing cover, the frame, the diffusion film and the reflecting film do not need to be detached, the detaching and repairing efficiency of the LED light bar is greatly improved, a waterproof structure of the back plate and the frame does not need to be detached and damaged, and later maintenance work is greatly facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen backlight module technical field, concretely is a kind of reinforced liquid crystal LPI display screen backlight module. BACKGROUND

[0002] Backlight module is a kind of electronic equipment, since liquid crystal panel itself does not emit light, backlight module can provide necessary light source to illuminate liquid crystal panel, so that image and text can be displayed, therefore, backlight module is the key component of liquid crystal display.

[0003] The existing patent application number: 202321705518.6 Backlight module and display screen, comprising: a plurality of light guide plates are arranged at intervals along the first direction;Light shielding part, set between adjacent light guide plates;Flexible circuit board, along the first direction respectively with a plurality of light guide plates are connected;And a plurality of LED light bars, along the first direction respectively with the flexible circuit board is connected, and with a plurality of light guide plates one-to-one corresponding arrangement, to make preset area color display.

[0004] The above-mentioned patent records a kind of backlight module, the backlight module in prior art mostly uses LED light bar as light source, it is energy-saving and longer service life, but light bar is usually installed between backboard and reflective film, when light bar is damaged and replaced, the whole backlight module needs to be disassembled, dismounting procedure is complex, still can damage the original waterproof structure of backlight module, lead to light bar replacement difficulty is greater, it is not conducive to later maintenance, for this, we propose a kind of reinforced liquid crystal LPI display screen backlight module to solve the above problems. Utility model content

[0005] The utility model aims at providing a kind of reinforced liquid crystal LPI display screen backlight module, to solve the problems raised in the above background.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: A reinforced liquid crystal LPI display screen backlight module, including rear-mounted backlight module, the rear-mounted backlight module includes backplate, no. 1 lamp hole, reflection film, no. 2 lamp hole, diffusion film, frame, installation slot, LED light bar, lamp pearl and wiring, the backplate surface is provided with no. 1 lamp hole through and through, and no. 1 lamp hole is distributed with at least three rows on the backplate surface, the backplate front inner wall is laid and is installed with reflection film, and no. 2 lamp hole is provided with on the reflection film surface through and through, and no. 2 lamp hole is aligned with no. 1 lamp hole, the backplate front edge is buckled and is installed with diffusion film, and diffusion film is laid in the front of reflection film, the backplate front part is buckled and is installed with frame, and reflection film and diffusion film are located between the backplate and frame, the backplate back is horizontally provided with installation slot, and no. 1 lamp hole is connected with the inside of installation slot, the inside screw of installation slot is installed with LED light bar, the LED light bar front part is provided with a row of lamp pearls, the lamp pearl passes through no. 1 lamp hole and no. 2 lamp hole and extends outwards from the inside of installation slot, makes lamp pearl between reflection film and diffusion film, the backplate back side is laid with wiring, and the wiring is connected from the side wall surface of installation slot and establishes electrical connection with LED light bar.

[0007] Preferably, the number of no. 2 lamp hole and no. 1 lamp hole is consistent and the position distribution corresponds.

[0008] Preferably, the inner diameter of no. 2 lamp hole is at least 1.1 times of the inner diameter of no. 1 lamp hole.

[0009] Preferably, the depth of no. 1 lamp hole is not greater than 2mm.

[0010] Preferably, the top edge of installation slot is hingedly installed with a cover, the cover can be turned to close into the inside of installation slot, and the cover can be screw-fixed with the bottom edge of installation slot.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a rear-mounted backlight module is set up, through the screw installation of LED light bar into the inside of installation slot, makes lamp pearl pass through no. 1 lamp hole and no. 2 lamp hole and enter between reflection film and diffusion film, then connects wiring and LED light bar, can complete the installation of LED light bar, because LED light bar does not install between backplate and frame, when LED light bar needs to be disassembled and replaced, only needs to open the cover to can carry out the repair replacement of LED light bar installed in the inside of installation slot, does not need to open frame, diffusion film and reflection film, greatly improves the repair efficiency of LED light bar, and does not need to open and damage the waterproof structure of backplate and frame, greatly facilitates the later maintenance work.

[0013] The utility model discloses a backplate structure of back -loaded backlight module is provided, it includes backplate, the LED lamp strip and the installation groove, the backplate is provided with the first lamp hole and the second lamp hole, the LED lamp strip is installed in the installation groove, the installation groove top edge is hinged with the sealing cover, the sealing cover can be tightly closed to the installation groove cover, prevents the LED lamp strip from being exposed outside, can provide the airtight working environment for the LED lamp strip, and the protection ability is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the disassembly structure schematic diagram of the utility model;

[0016] Figure 3 It is the backplate structure schematic diagram of the utility model;

[0017] Figure 4 It is the backplate rear view structure schematic diagram of the utility model;

[0018] Figure 5 It is the utility model Figure 4 The structure schematic diagram of sealing cover opening state.

[0019] In the drawing: back -loaded backlight module -1, backplate -11, first lamp hole -12, reflection film -13, second lamp hole -14, diffusion film -15, frame -16, installation groove -17, LED lamp strip -18, lamp pearl -19, wiring -110, sealing cover -111. DETAILED DESCRIPTION

[0020] In order to further explain the technical scheme of the utility model, the following is in detail by specific embodiment.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 5The utility model provides a kind of reinforced liquid crystal LPI display screen backlight module, including rear-mounted backlight module 1, rear-mounted backlight module 1 includes backplate 11, first lamp hole 12, reflecting film 13, second lamp hole 14, diffusion film 15, frame 16, mounting groove 17, LED light bar 18, lamp pearl 19 and wiring 110, backplate 11 surface is provided with first lamp hole 12 through and through, and first lamp hole 12 is distributed with at least three rows on backplate 11 surface, reflecting film 13 is laid and installed in backplate 11 front inner wall, and reflecting film 13 surface is provided with second lamp hole 14 through and through, and second lamp hole 14 is aligned with first lamp hole 12, diffusion film 15 is installed with the frame 16 of backplate 11 front edge buckling, and diffusion film 15 is laid in reflecting film 13 front, and frame 16 is installed with the mounting groove 17 of backplate 11 back, and reflecting film 13 and diffusion film 15 are located between backplate 11 and frame 16, and backplate 11 back is provided with mounting groove 17 horizontally, and first lamp hole 12 is connected with the inside of mounting groove 17, and LED light bar 18 is installed with screw in the inside of mounting groove 17, and LED light bar 18 front is provided with a row of lamp pearl 19, and lamp pearl 19 passes through first lamp hole 12 and second lamp hole 14 and extends outward from the inside of mounting groove 17, so that lamp pearl 19 is located between reflecting film 13 and diffusion film 15, and backplate 11 back side is laid with wiring 110, and wiring 110 is accessed from the side wall surface of mounting groove 17 and establishes electrical connection with LED light bar 18.

[0022] Further explanation, the number of second lamp hole 14 is consistent with first lamp hole 12, and position distribution corresponds, to ensure that second lamp hole 14 can be aligned with first lamp hole 12.

[0023] Further explanation, the inner diameter of second lamp hole 14 is at least 1.1 times of the inner diameter of first lamp hole 12.

[0024] Further explanation, the depth of first lamp hole 12 is not more than 2mm, so that lamp pearl 19 can better pass through first lamp hole 12 and enter between reflecting film 13 and diffusion film 15.

[0025] Please refer to Figure 4 The utility model provides a kind of reinforced liquid crystal LPI display screen backlight module, and the mounting groove 17 top edge hinged mounting has cover 111, cover 111 can be reversed and closed into the inside of mounting groove 17, and cover 111 can be fixed with screw with the bottom edge of mounting groove 17, mounting groove 17 is tightly closed by cover 111, prevent LED light bar 18 from being exposed, and protection ability is guaranteed.

[0026] Working principle is as follows:

[0027] First, during assembly, the reflective film 13 is first laid and installed on the front wall surface of the back plate 11, and the second lamp hole 14 is aligned with the first lamp hole 12 during the process, then the diffusion film 15 is buckled and installed to the front edge of the back plate 11, and finally the frame 16 is buckled and installed to the front part of the back plate 11, so that the preliminary assembly work can be completed.

[0028] Second, the LED light bar 18 is screw-installed into the inside of the installation groove 17 by opening the cover 111, the lamp beads 19 pass through the first lamp hole 12 and the second lamp hole 14 to enter between the reflective film 13 and the diffusion film 15, the wiring 110 is connected with the LED light bar 18, and finally the cover 111 is turned and closed into the inside of the installation groove 17 and is screw-locked, so that the cover 111 can provide a closed working environment for the LED light bar 18, the protection ability is guaranteed, and the assembly operation can be completed.

[0029] Third, since the LED light bar 18 is not installed between the back plate 11 and the frame 16, when the LED light bar 18 needs to be disassembled and replaced, the LED light bar 18 installed in the inside of the installation groove 17 can be disassembled and replaced only by disassembling the cover 111, without the need to disassemble the frame 16, the diffusion film 15 and the reflective film 13, so that the disassembly efficiency of the LED light bar 18 is greatly improved, and the waterproof structure of the back plate 11 and the frame 16 does not need to be disassembled and damaged, so that the later maintenance work is greatly facilitated.

[0030] The above is only a preferred example of the present application and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified by those skilled in the art, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An enhanced liquid crystal LPI display backlight module, characterized in that: The application discloses a back light module (1) which comprises a back plate (11), a first lamp hole (12), a reflecting film (13), a second lamp hole (14), a diffusion film (15), a frame (16), a mounting groove (17), an LED lamp strip (18), lamp beads (19) and a wire (110), the first lamp hole (12) is arranged through the front and back surfaces of the back plate (11), and at least three rows of the first lamp holes (12) are distributed on the surface of the back plate (11); the reflecting film (13) is arranged on the inner wall of the front surface of the back plate (11), the second lamp hole (14) is arranged through the front and back surfaces of the reflecting film (13), the second lamp hole (14) is aligned with the first lamp hole (12); the diffusion film (15) is arranged on the front edge of the back plate (11) and is arranged in front of the reflecting film (13); the frame (16) is arranged on the front part of the back plate (11) and is arranged between the back plate (11) and the diffusion film (15); the mounting groove (17) is arranged on the back surface of the back plate (11) and is connected with the inner side of the first lamp hole (12); the LED lamp strip (18) is arranged on the inner side of the mounting groove (17) through screws; the lamp beads (19) are arranged on the front part of the LED lamp strip (18) and extend outward from the inner side of the mounting groove (17) through the first lamp hole (12) and the second lamp hole (14), so that the lamp beads (19) are arranged between the reflecting film (13) and the diffusion film (15); and the wire (110) is arranged on the side edge of the back surface of the back plate (11), is connected with the LED lamp strip (18) and is connected with the inner wall of the mounting groove (17).

2. The reinforced liquid crystal LPI display screen backlight module according to claim 1, characterized in that: The number of the second lamp hole (14) is consistent with that of the first lamp hole (12), and the position distribution of the second lamp hole (14) corresponds to that of the first lamp hole (12).

3. The reinforced liquid crystal LPI display screen backlight module according to claim 1, characterized in that: The inner diameter of the second lamp hole (14) is at least 1.1 times of the inner diameter of the first lamp hole (12).

4. The reinforced liquid crystal LPI display screen backlight module according to claim 1, characterized in that: The depth of the first lamp hole (12) is not greater than 2 mm.

5. The reinforced liquid crystal LPI display screen backlight module according to claim 1, characterized in that: The mounting groove (17) is hingedly connected with a cover (111) on the top edge, the cover (111) can be turned to be closed into the inner side of the mounting groove (17), and the cover (111) can be fixed on the bottom edge of the mounting groove (17) through screws.

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