CN210051985U

CN210051985U - Backlight assembly convenient to maintain

Info

Publication number: CN210051985U
Application number: CN201921151852.5U
Authority: CN
Inventors: 楚士亮; 文小平
Original assignee: Jiangxi Yuanshengtai Electronic Technology Co Ltd
Current assignee: Jiangxi Yuanshengtai Electronic Technology Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-02-11
Anticipated expiration: 2029-07-22

Abstract

The utility model provides a backlight unit convenient to maintain, including the backlight unit shell, the bolster, the mounting panel, dampproofing blotter, the mounting hole, the convenient preceding bezel structure of dismantling, but the joint strip structure that dispels the heat, the structure of adding lustre to the board, the light strip, light-emitting lamp pearl, the control mainboard, backlight unit point lamp ware, the liquid crystal sheet, TFT glass piece and fluorescence data plate board, the backlight unit shell glue and connect the upper surface at the mounting panel. The arrangement of the locking screw and the inner groove of the utility model is beneficial to opening the fixed front frame and increasing the convenience of maintenance; the arrangement of the heat conducting sheets and the heat absorbing sheets is beneficial to playing the role of heat absorption and heat dissipation, and the service life of the backlight assembly is prolonged; the installation plate, the moisture-proof cushion pad and the installation hole are arranged, so that the connection with application equipment is facilitated, the convenience of installation operation is improved, and the working efficiency is improved; the arrangement of the sealant strip frame and the self-adhesive film is beneficial to playing a role in sealing protection and increasing the sealing effect of the backlight assembly.

Description

Backlight assembly convenient to maintain

Technical Field

The utility model belongs to the technical field of the liquid crystal display panel, especially, relate to a backlight unit convenient to maintain.

Background

At present, the intelligent display terminal is pursuing the liquid crystal display module of high resolution and high brightness more and more, and this undoubtedly need use the backlight unit (BLU) to higher luminance, based on present LED brightness level, just need use more LEDs or adopt the bimorph LED to realize the promotion of luminance in the high brightness backlight unit design.

In the prior art, Light Emitting Diodes (LEDs) and backlight assemblies are used to illuminate various vehicle components and other electronic devices. Typically, these displays are illuminated by one or more light pipes or light guides. Such light pipes or light guides are custom designed to work with the entire decal of the display and are designed to distribute light throughout the display, with the source, light guide plate, reflector sheet, and optical film sheet making up the backlight for the liquid crystal display. When the light emitted by the liquid crystal display panel irradiates on the liquid crystal display panel, the light can upwards penetrate through the lower polarizing plate, and the light can be converted into the polarization direction according to the mechanism of the different liquid crystal display panels. Then the light contacts the color filter to generate color, and finally enters the upper polaroid. After the polarization direction is converted by the liquid crystal, part of light can be emitted, and part of light can be absorbed.

The invention discloses a backlight assembly with Chinese patent publication No. CN106369340A, and the name of the invention is that the backlight assembly comprises a back plate and a plurality of LED lamp strips arranged on the back plate, a plurality of LED bulbs are arranged on the LED lamp strips, a reflector is arranged on the back plate, and a plurality of through holes for exposing the surfaces of the LED bulbs are arranged on the reflector. However, the existing backlight assembly has the problems of inconvenient maintenance, poor sealing and heat dissipation effects and lack of buffering and protecting functions during installation.

Therefore, it is necessary to invent a backlight assembly which is easy to maintain.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a backlight unit convenient to maintain to it is inconvenient to solve current backlight unit and maintain, and sealed radiating effect is relatively poor and lack the problem of buffering protect function when installing. A backlight assembly convenient to maintain comprises a backlight assembly shell, a supporting cushion block, a mounting plate, a damp-proof cushion pad, a mounting hole, a front frame cover structure convenient to disassemble, a sealing rubber strip structure capable of dissipating heat, a light intensifying plate structure, a light strip, a light-emitting lamp bead, a control main board, a backlight module lighting device, a liquid crystal sheet, a TFT glass sheet and a fluorescent nameplate, wherein the backlight assembly shell is glued on the upper surface of the mounting plate; the supporting cushion blocks are respectively glued at the upper positions of the left side and the right side in the backlight assembly shell; the damp-proof buffer pad is glued on the lower surface of the mounting plate; the mounting holes are respectively formed in the four corners inside the mounting plate; the front frame cover structure convenient to disassemble is arranged at the upper part of the backlight component shell; the sealing rubber strip structure capable of dissipating heat is arranged at the upper side inside the backlight assembly shell; the light intensifying plate is arranged on the upper part of the supporting cushion block; the lamp strip screw is connected to the upper part of the backlight module lighting device; the luminous lamp beads are embedded in the upper side of the inside of the light bar; the control mainboard is connected with the lower side position in the backlight assembly shell through screws; the backlight module lighting device is connected to the upper part of the control main board through screws; the liquid crystal sheet is positioned at the upper part of the intensifying plate structure and is arranged in a bonding way with the inner wall of the shell of the backlight assembly; the TFT glass sheet is glued to the upper part of the liquid crystal sheet; the fluorescent nameplate is glued at the right lower side of the front surface of the backlight assembly shell; the front frame cover structure convenient to disassemble comprises a fixed front frame, a horizontal polaroid, a color filter, a locking screw and an inner groove, wherein the horizontal polaroid is embedded in the upper side position inside the fixed front frame; the color filter is glued to the lower surface of the horizontal polarizer; the locking screws are respectively in threaded connection with the middle positions of the left side and the right side of the fixed front frame; the inner grooves are respectively formed in the middle of the front surface and the rear surface of the fixed front frame.

Preferably, the sealing rubber strip structure capable of dissipating heat comprises a sealing rubber strip frame, heat conducting sheets, a self-adhesive sheet, a buffering bump and a heat absorbing sheet, wherein the heat conducting sheets are respectively embedded in the left side and the right side of the upper wall and the lower wall of the sealing rubber strip frame; the self-adhesive film is respectively glued at the left side and the right side of the front surface of the sealant strip frame; the buffer lugs are respectively and integrally arranged at the left side and the right side inside the sealing rubber strip frame; the heat absorbing sheet is connected to the lower end of the heat conducting sheet through screws.

Preferably, the intensifying plate structure comprises a rubber frame shell, a diffusing sheet, a vertical polarizer, a backlight source and a back plate, wherein the diffusing sheet is glued at the upper side position inside the rubber frame shell; the vertical polarizer is glued to the lower surface of the diffusion sheet; the backlight source is glued to the lower surface of the vertical polarizer; the back plate is glued on the lower surface of the backlight source.

Preferably, the mounting plate is a rectangular aluminum alloy plate; the supporting cushion block is a rectangular PVC plastic block.

Preferably, the backlight assembly housing specifically adopts a rectangular PE plastic housing with an opening at the upper part; the dampproof buffer pad adopts the silica gel pad that thickness setting is in three millimeters to five millimeters.

Preferably, the fixed front frame is clamped at the outer upper side position of the backlight assembly shell and fixed by a locking screw.

Preferably, the depth of the inner groove is set to be three millimeters to five millimeters; the fixed front frame is a square-shaped aluminum alloy frame.

Preferably, the heat conducting sheet and the heat absorbing sheet are rectangular aluminum sheets respectively; the heat absorbing sheet is arranged on the inner side of the sealant strip frame.

Preferably, the sealing rubber strip frame is sealed and connected at the upper side position inside the backlight assembly shell; the heat conducting fins are embedded with the left wall and the right wall of the backlight assembly shell.

Preferably, the rubber frame shell is connected to the upper surface of the supporting cushion block through screws.

Preferably, the light-emitting lamp beads are electrically connected with the light bar; the light bar is electrically connected with the control mainboard; the control mainboard is electrically connected with the backlight module lighting device.

Preferably, the luminous lamp bead is a lamp bead with the model of F3; the backlight module lighting device is specifically a lighting device with the model number of FLP 5R; the control mainboard is a control mainboard with the model number of 32FHP 5301.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the setting of locking screw and inner groovy be favorable to opening fixed front bezel, increase the convenience of maintaining.

2. The utility model discloses in, horizontal polaroid and color filter's setting, be favorable to carrying out the correction of light source, increase backlight unit's application effect.

3. The utility model discloses in, dampproofing blotter adopt thickness setting at three millimeters to five millimeters silica gel pads, be favorable to playing the effect of dampproofing protection, play the effect of shock attenuation buffering in the installation, guarantee the safety of subassembly in a poor light.

4. The utility model discloses in, the setting of conducting strip and heat absorbing sheet, be favorable to playing the radiating effect of heat absorption, prolong backlight unit's life.

5. The utility model discloses in, the setting of sealed adhesive tape frame and self-adhesive film be favorable to playing sealed protection's effect, increase backlight unit's sealed effect.

6. The utility model discloses in, gluey frame shell, diffusion piece, perpendicular polaroid, the setting of backlight and backplate is favorable to improving backlight unit's performance.

7. The utility model discloses in, the mounting panel, the setting of dampproofing blotter and mounting hole is favorable to being connected with backlight unit application apparatus, increases the convenience of installation operation, improves work efficiency.

8. The utility model discloses in, the setting of fluorescence data plate board, be favorable to looking over the information on the data plate board when maintaining, guarantee the safety of maintaining the operation to go on according to the regulation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the conveniently detachable front bezel structure of the present invention.

Fig. 3 is a schematic structural view of the heat-dissipating sealing rubber strip structure of the present invention.

Fig. 4 is a schematic structural diagram of the light intensifying plate structure of the present invention.

In the figure:

1. a backlight assembly housing; 2. supporting the cushion block; 3. mounting a plate; 4. a moisture-proof buffer pad; 5. mounting holes; 6. a front frame cover structure convenient to disassemble; 61. fixing the front frame; 62. a horizontal polarizer; 63. a color filter; 64. locking the screw; 65. an inner groove; 7. a sealing rubber strip structure capable of dissipating heat; 71. a sealant strip frame; 72. a heat conductive sheet; 73. a self-adhesive sheet; 74. a buffer bump; 75. a heat absorbing sheet; 8. a light intensifying plate structure; 81. a rubber frame shell; 82. a diffusion sheet; 83. a vertical polarizer; 84. a backlight source; 85. a back plate; 9. a strip of light; 10. a light-emitting lamp bead; 11. a control main board; 12. a backlight module lighting device; 13. a liquid crystal sheet; 14. A TFT glass sheet; 15. fluorescent nameplate.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1-2, the utility model provides a backlight assembly convenient to maintain, including backlight assembly shell 1, lip block 2, mounting panel 3, dampproofing blotter 4, mounting hole 5, convenient preceding bezel structure 6 of dismantling, but heat dissipation joint strip structure 7, intensifying plate structure 8, light strip 9, luminous lamp pearl 10, control mainboard 11, backlight module lighting device 12, liquid crystal sheet 13, TFT glass sheet 14 and fluorescence nameplate board 15, backlight assembly shell 1 glue joint on the upper surface of mounting panel 3; the supporting cushion blocks 2 are respectively glued at the upper positions of the left side and the right side in the backlight assembly shell 1; the damp-proof buffer cushion 4 is glued on the lower surface of the mounting plate 3; the mounting holes 5 are respectively formed in four corners inside the mounting plate 3; the front frame cover structure 6 convenient to disassemble is arranged at the upper part of the backlight assembly shell 1; the sealing rubber strip structure 7 capable of dissipating heat is arranged at the upper side inside the backlight assembly shell 1; the light intensifying plate structure 8 is arranged on the upper part of the supporting cushion block 2; the light bar 9 is connected with the upper part of the backlight module lighting device 12 through a screw; the luminous lamp beads 10 are embedded in the upper side of the inside of the light bar 9; the control mainboard 11 is connected with the lower side position in the backlight assembly shell 1 through screws; the backlight module lighting device 12 is connected to the upper part of the control main board 11 through screws; the liquid crystal sheet 13 is positioned at the upper part of the intensifying plate structure 8 and is arranged in a gluing way with the inner wall of the backlight assembly shell 1; the TFT glass sheet 14 is glued on the upper part of the liquid crystal sheet 13; the fluorescent nameplate plate 15 is glued at the right lower side of the front surface of the backlight component shell 1; the front frame cover structure 6 convenient to disassemble comprises a fixed front frame 61, a horizontal polarizer 62, a color filter 63, a locking screw 64 and an inner groove 65, wherein the horizontal polarizer 62 is embedded in the upper side position inside the fixed front frame 61; the color filter 63 is glued on the lower surface of the horizontal polarizer 62; the locking screws 64 are respectively in threaded connection with the middle positions of the left side and the right side of the fixed front frame 61; the inner grooves 65 are respectively formed in the middle positions of the front surface and the rear surface of the fixed front frame 61; aligning the backlight assembly to application equipment, aligning and aligning the mounting plate 3 with the equipment to ensure that the mounting hole 5 is aligned with a fixing hole of the equipment and is connected by a fixing bolt, wherein the damp-proof buffer pad 4 plays a role in damping and buffering in the connection process to protect the safety of the backlight assembly; an external power supply is switched on to supply power to the backlight module lighting device 12 and the control main board 11, so that the work of the light-emitting lamp beads 10 is controlled according to a set program; in the use process of the backlight assembly, the generated heat is absorbed by the heat absorbing sheet 75 and is conducted to the atmosphere of the backlight assembly shell 1 through the heat conducting sheet 72, so as to play a role in heat dissipation and protection; when maintenance is needed, the locking screw 64 is detached by a tool, a hand extends into the inner groove 65, and the fixed front frame 61 is pulled upwards, so that the fixed front frame 61 is separated from the backlight assembly shell 1, and convenience of maintenance operation is improved.

As shown in fig. 3, in the above embodiment, specifically, the heat-dissipating sealant strip structure 7 includes a sealant strip frame 71, a heat conducting sheet 72, a self-adhesive sheet 73, a buffering bump 74 and a heat absorbing sheet 75, where the heat conducting sheet 72 is respectively embedded in the left and right sides of the upper wall and the lower wall of the sealant strip frame 71; the self-adhesive film 73 is respectively glued on the left side and the right side of the front surface of the sealant strip frame 71; the buffer bumps 74 are respectively and integrally arranged at the left side and the right side of the inner part of the sealant strip frame 71; the heat absorbing plate 75 is screwed to the lower end of the heat conducting plate 72.

As shown in fig. 4, in the above embodiment, specifically, the light-increasing plate structure 8 includes a frame case 81, a diffusion sheet 82, a vertical polarizer 83, a backlight source 84 and a back plate 85, where the diffusion sheet 82 is glued to the upper position inside the frame case 81; the vertical polarizer 83 is glued to the lower surface of the diffusion sheet 82; the backlight source 84 is glued to the lower surface of the vertical polarizer 83; the back plate 85 is glued to the lower surface of the backlight 84.

In the above embodiment, specifically, the mounting plate 3 is a rectangular aluminum alloy plate; the supporting cushion block 2 is a rectangular PVC plastic block.

In the above embodiment, specifically, the backlight module casing 1 specifically adopts a rectangular PE plastic casing with an opening at an upper portion; the moisture-proof cushion pad 4 is a silica gel pad with the thickness ranging from three millimeters to five millimeters.

In the above embodiment, specifically, the fixed front frame 61 is clamped at the outer upper side position of the backlight assembly housing 1 and fixed by the locking screw 64.

In the above embodiment, specifically, the depth of the inner groove 65 is set to be three millimeters to five millimeters; the fixed front frame 61 is specifically a rectangular aluminum alloy frame.

In the above embodiment, specifically, the heat conducting sheet 72 and the heat absorbing sheet 75 are rectangular aluminum sheets respectively; the heat absorbing sheet 75 is disposed inside the sealant strip frame 71.

In the above embodiment, specifically, the sealant strip frame 71 is glued to the upper side of the interior of the backlight module casing 1; the heat conducting plate 72 is embedded with the left and right walls of the backlight assembly housing 1.

In the above embodiment, specifically, the frame rubber casing 81 is screwed to the upper surface of the supporting cushion block 2.

In the above embodiment, specifically, the light-emitting lamp bead 10 is electrically connected to the light bar 9; the lighting strip 9 is electrically connected with the control mainboard 11; the control main board 11 is electrically connected with the backlight module lighting device 12.

In the above embodiment, the light-emitting lamp bead 10 is a lamp bead with a model F3; the backlight module lighting device 12 is specifically a lighting device with the model number FLP 5R; the control main board 11 is a control main board with a model number of 32FHP 5301.

Principle of operation

When the utility model is used, the backlight component is aligned to the application equipment, and the mounting plate 3 and the equipment are aligned and aligned, so that the mounting hole 5 is aligned to the fixing hole of the equipment and connected by the fixing bolt, and the damp-proof buffer cushion 4 can play a role of damping and buffering in the connection process, thereby protecting the safety of the backlight component; an external power supply is switched on to supply power to the backlight module lighting device 12 and the control main board 11, so that the work of the light-emitting lamp beads 10 is controlled according to a set program; in the use process of the backlight assembly, the generated heat is absorbed by the heat absorbing sheet 75 and is conducted to the atmosphere of the backlight assembly shell 1 through the heat conducting sheet 72, so as to play a role in heat dissipation and protection; when maintenance is needed, the locking screw 64 is detached by a tool, a hand extends into the inner groove 65, and the fixed front frame 61 is pulled upwards, so that the fixed front frame 61 is separated from the backlight assembly shell 1, and convenience of maintenance operation is improved.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a backlight unit convenient to maintain, characterized in that, this backlight unit convenient to maintain, including backlight unit shell (1), lip-rounding block (2), mounting panel (3), dampproofing blotter (4), mounting hole (5), convenient preceding bezel structure (6) of dismantling, but heat dissipation joint strip structure (7), intensifying plate structure (8), light strip (9), luminous lamp pearl (10), control mainboard (11), backlight unit lighting device (12), liquid crystal display (13), TFT glass piece (14) and fluorescence data plate (15) glue joint, backlight unit shell (1) the upper surface at mounting panel (3); the supporting cushion blocks (2) are respectively glued at the upper positions of the left side and the right side in the backlight assembly shell (1); the damp-proof buffer cushion (4) is glued on the lower surface of the mounting plate (3); the mounting holes (5) are respectively arranged at the four corners inside the mounting plate (3); the front frame cover structure (6) convenient to disassemble is arranged at the upper part of the backlight component shell (1); the sealing rubber strip structure (7) capable of dissipating heat is arranged at the upper side position inside the backlight assembly shell (1); the light intensifying plate structure (8) is arranged on the upper part of the supporting cushion block (2); the lamp strip (9) is connected to the upper part of the backlight module lighting device (12) through screws; the luminous lamp beads (10) are embedded in the upper side position inside the light bar (9); the control main board (11) is in screw connection with the lower side position inside the backlight assembly shell (1); the backlight module lighting device (12) is connected to the upper part of the control main board (11) through screws; the liquid crystal sheet (13) is positioned at the upper part of the light intensifying plate structure (8) and is glued with the inner wall of the backlight assembly shell (1); the TFT glass sheet (14) is glued to the upper part of the liquid crystal sheet (13); the fluorescent nameplate plate (15) is glued at the right lower side of the front surface of the backlight component shell (1); the front frame cover structure (6) convenient to disassemble comprises a fixed front frame (61), a horizontal polaroid (62), a color filter (63), a locking screw (64) and an inner groove (65), wherein the horizontal polaroid (62) is embedded in the upper side position inside the fixed front frame (61); the color filter (63) is glued on the lower surface of the horizontal polarizer (62); the locking screws (64) are respectively in threaded connection with the middle positions of the left side and the right side of the fixed front frame (61); the inner grooves (65) are respectively formed in the middle of the front surface and the rear surface of the fixed front frame (61).

2. The maintenance-convenient backlight assembly as claimed in claim 1, wherein the heat-dissipatable sealing tape structure (7) comprises a sealant strip frame (71), a heat-conductive sheet (72), a self-adhesive sheet (73), a buffer bump (74) and a heat-absorbing sheet (75), the heat-conductive sheet (72) being respectively embedded in left and right side positions of an upper wall and a lower wall of the sealant strip frame (71); the self-adhesive sheets (73) are respectively glued at the left side and the right side of the front surface of the sealant strip frame (71); the buffer bumps (74) are respectively and integrally arranged at the left side and the right side of the inner part of the sealant strip frame (71); the heat absorbing sheet (75) is connected to the lower end of the heat conducting sheet (72) through screws.

3. The backlight assembly for easy maintenance as claimed in claim 1, wherein the light intensifying plate structure (8) comprises a frame case (81), a diffusion sheet (82), a vertical polarizer (83), a backlight source (84) and a back plate (85), the diffusion sheet (82) is glued to the inner upper side of the frame case (81); the vertical polarizer (83) is glued to the lower surface of the diffusion sheet (82); the backlight source (84) is glued on the lower surface of the vertical polarizer (83); the back plate (85) is glued on the lower surface of the backlight source (84).

4. The backlight assembly for easy maintenance as claimed in claim 1, wherein the mounting plate (3) is a rectangular aluminum alloy plate; the supporting cushion block (2) is a rectangular PVC plastic block.

5. The maintenance-convenient backlight assembly according to claim 1, wherein the backlight assembly casing (1) is a rectangular PE plastic case with an open upper portion; the moisture-proof cushion pad (4) is a silica gel pad with the thickness ranging from three millimeters to five millimeters.

6. The maintenance-convenient backlight assembly according to claim 1, wherein the fixing front frame (61) is snapped at an outer upper position of the backlight assembly housing (1) and fixed by a locking screw (64).

7. The maintenance-convenient backlight assembly according to claim 1, wherein the depth of the inner recess (65) is set to three mm to five mm; the fixed front frame (61) is a square-shaped aluminum alloy frame.

8. The maintenance-convenient backlight assembly of claim 2, wherein the heat-conducting sheet (72) and the heat-absorbing sheet (75) are rectangular aluminum sheets, respectively; the heat absorbing sheet (75) is arranged on the inner side of the sealant strip frame (71).

9. The maintenance-convenient backlight assembly as claimed in claim 2, wherein the sealant strip frame (71) is glued to the inner upper side of the backlight assembly casing (1); the heat conducting fins (72) are embedded with the left wall and the right wall of the backlight assembly shell (1).

10. The maintenance-convenient backlight assembly of claim 3, wherein the bezel case (81) is screw-coupled to the upper surface of the supporting pad block (2).