CN209086608U - A kind of LED backlight plate with shockproof function - Google Patents

Abstract

A kind of LED backlight plate with shockproof function, the utility model relates to LED technology field technical fields；It also includes bottom framework, silica gel cushion block and No.1 spring；The bottom of backlight ontology is arranged in bottom framework, silica gel cushion block activity is embedded in the groove body in bottom framework quadrangle, and the lower end dew of silica gel cushion block is set to the lower surface of bottom framework, the top of silica gel cushion block is connected with No.1 spring, No.1 spring activity is embedded in groove body, and the upper end of No.1 spring is fixed in groove body top inner wall.It, so as to safely be applied under vibration environment, greatly expands its scope of application, practicability is stronger with preferable shockproof function.

Description

A kind of LED backlight plate with shockproof function

Technical field

The utility model relates to LED technology fields, and in particular to a kind of LED backlight plate with shockproof function.

Background technique

Backlight is for ensuring that liquid crystal display issues bright light supply apparatus behind.Because of liquid crystal display device itself It is transparent and will not shines, so needing backlight to assist, some indexs such as brightness, uniformity of backlight is to liquid crystal The correlated performance of display screen has direct influence, and light guide plate is acryl/PC plate material using optical grade, then high with having The hitech materials of reflectivity and not extinction stamp leaded light with UV screen printing technology in the acryl plate bottom surface of optical grade Point draws the light issued from lamp in the stop of optical grade acryl plate surface using optical grade acryl plate, works as light When being mapped to each light guiding points, reflected light can be spread toward all angles, then destroyed conditioned reflex and projected by light guide plate front, passed through Various densitys, light guiding points not of uniform size, can make light guide plate uniformly light-emitting, and the purposes of reflectance coating is that the light for exposing bottom surface is anti- It is emitted back towards in light guide plate, for improving the service efficiency of light.

Current LED backlight plate only improves in terms of how increasing its brightness and thermal diffusivity, and has ignored Its shockproof effect causes to have limited to its scope of application, it would be highly desirable to improve since it lacks preferable shockproof function.

Utility model content

The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, and design is closed Reason, the LED backlight plate easy to use with shockproof function, with preferable shockproof function, so as to safely answer For greatly expanding its scope of application under vibration environment, practicability is stronger.

In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes backlight ontology；The backlight Plate ontology is made of reflectance coating, light guide plate, lower diffusion barrier, bright enhancement film and upper diffusion barrier；The bottom of light guide plate is equipped with reflectance coating, leads The peripheral wall of tabula rasa is equipped with light-shielding sheet, and the top of light guide plate is equipped with lower diffusion barrier, and the top of lower diffusion barrier is equipped with bright enhancement film, bright enhancement film Top be equipped with upper diffusion barrier；It also includes bottom framework, silica gel cushion block and No.1 spring；Backlight ontology is arranged in bottom framework Bottom, silica gel cushion block activity are embedded in the groove body in bottom framework quadrangle, and the lower end dew of silica gel cushion block is set under bottom framework Surface, the top of silica gel cushion block are connected with No.1 spring, and No.1 spring activity is embedded in groove body, and the upper end of No.1 spring is solid It is scheduled in groove body top inner wall.

Further, silica gel ring is equipped between the bottom framework and backlight this plate ontology.

Further, several longitudinally oriented strips are equipped in the bottom framework, the equal activity in the both ends of longitudinally oriented strip is embedded in sliding slot, It is screwed with buffer unit in threaded hole in longitudinally oriented strip, which is made of threaded rod, silicagel column, and threaded rod is screwed in spiral shell In pit, and silicagel column is nested and fixed in the upper end of threaded rod, and the bottom conflict of silicagel column 7-1 and backlight ontology is arranged.

Further, the both ends of the longitudinally oriented strip are respectively connected with magnetic patch, and the bottom framework is metal bottom frame, the magnetic Block is inhaled in the sliding slot being located in the both sides of bottom framework front and back.

Further, the lower end of the threaded rod is extended with flange to the periphery.

Further, the silicagel column is hollow structure, is internally provided with No. two springs, the lower end connection of No. two springs It is fixed on the upper end of threaded rod.

After adopting the above structure, the utility model has the beneficial effect that described in the utility model a kind of with shockproof function LED backlight plate, with preferable shockproof function, so as to safely be applied to vibration environment under, greatly expand Its scope of application, practicability is stronger, and the utility model has structure simple, setting rationally, the advantages that low manufacture cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural exploded view of the utility model.

Fig. 2 is the structure sectional view of the utility model.

Fig. 3 is the portion A schematic enlarged-scale view in Fig. 2.

Fig. 4 is the structural schematic diagram of bottom framework in the utility model.

Fig. 5 is the structure sectional view of longitudinally oriented strip in the utility model.

Fig. 6 is the structural schematic diagram of buffer unit in the utility model.

Fig. 7 is the structure sectional view of buffer unit in the utility model.

Description of symbols:

Backlight ontology 1, reflectance coating 1-1, light guide plate 1-2, lower diffusion barrier 1-3, bright enhancement film 1-4, upper diffusion barrier 1-5, bottom Frame 2, sliding slot 2-1, silica gel cushion block 3, No.1 spring 4, silica gel ring 5, longitudinally oriented strip 6, threaded hole 6-1, buffer unit 7, threaded rod 8, No. two 7-1, silicagel column 7-2, flange 7-3, magnetic patch springs 9.

Specific embodiment

The utility model will be further described below with reference to the accompanying drawings.

Referring to as shown in Fig. 1-Fig. 7, present embodiment the technical solution adopted is that: it includes backlight ontology 1；Institute The backlight ontology 1 stated is made of reflectance coating 1-1, light guide plate 1-2, lower diffusion barrier 1-3, bright enhancement film 1-4 and upper diffusion barrier 1-5； The bottom of light guide plate 1-2 is equipped with reflectance coating 1-1, and the peripheral wall of light guide plate 1-2 is equipped with shading (not shown) paper, light guide plate 1-2 Top be equipped with lower diffusion barrier 1-3, the top of lower diffusion barrier 1-3 is equipped with bright enhancement film 1-4, and the top of bright enhancement film 1-4 is equipped with upper expansion It dissipates film 1-5 (above structure is the prior art, and this will not be repeated here)；It also includes bottom framework 2, silica gel cushion block 3 and No.1 spring 4；The bottom of backlight ontology 1 is arranged in bottom framework 2, and silica gel ring 5 is equipped between the bottom framework 2 and backlight ontology 1, should The upper surface gluing of silica gel ring 5 is fixed on the bottom of backlight ontology 1, and the bottom surface gluing of silica gel ring 5 is fixed on bottom framework 2 Upper surface, 3 activity of silica gel cushion block are embedded in the groove body in 2 four jiaos of bottom framework, and the lower end dew of silica gel cushion block 3 is set to bottom framework 2 lower surface, the top gluing of silica gel cushion block 3 have No.1 spring 4, and 4 activity of No.1 spring is embedded in groove body, and No.1 spring 4 upper end is weldingly fixed in groove body top inner wall.

Further, it is set in the bottom framework 2 there are three longitudinally oriented strip 6, the equal activity in the both ends of longitudinally oriented strip 6 is embedded in sliding slot In 2-1, it is screwed with buffer unit 7 in the threaded hole 6-1 in longitudinally oriented strip 6, the buffer unit 7 is by threaded rod 7-1, silicagel column 7-2 It constitutes, threaded rod 7-1 is screwed in threaded hole 6-1, and silicagel column 7-2, silicagel column 7- is nested and fixed in the upper end of threaded rod 7-1 1 contradicts with the bottom of backlight ontology 1 and is arranged.

Further, the equal gluing in both ends of the longitudinally oriented strip 6 has magnetic patch 8, and the bottom framework 2 is metal bottom frame, The magnetic patch 8 suction is located in the sliding slot 2-1 in 2 front and back both sides of bottom framework, and magnetic patch 8 and metal bottom frame are attracting, effectively to longitudinally oriented strip 6 It is positioned.

Further, the lower end of the threaded rod 7-1 is extended with flange 7-3 to the periphery, facilitates the rotation of threaded rod 7-1 Turn.

Further, the silicagel column 7-2 is hollow structure, is internally provided with No. two springs 9, under No. two springs 9 End is weldingly fixed on the upper end of threaded rod 7-1.

Further, the thickness ratio of the silica gel ring 5 and bottom framework 2 is 1:1.

The working principle of this specific embodiment:: bottom framework 2 is installed in the bottom of backlight ontology 1, passes through bottom framework 2 four The silica gel cushion block 3 and No.1 spring 4 at angle can play effective buffering and subtract in the case where backlight ontology 1 generates vibration Shake effect；Several longitudinally oriented strips 6 are set in the middle part activity of bottom framework 2, as needed, mobile longitudinally oriented strip 6 to backlight ontology 1 is carried on the back The position of damping needed for portion, rotating threaded rod 7-1, so that the back for being located at backlight ontology 1 is supported in the upper end of silicagel column 7-2, it should The position that silicagel column 7-2 and No. two springs 9 being arranged in silicagel column 7-2 select 1 back of backlight ontology buffers Damping can according to need the damping for carrying out suitable position.

After adopting the above structure, present embodiment has the beneficial effect that one kind described in present embodiment has The LED backlight plate of shockproof function, with preferable shockproof function, so as to safely be applied under vibration environment, pole The earth expands its scope of application, and practicability is stronger, and the utility model has structure simple, and setting is reasonable, and cost of manufacture is low etc. Advantage.

The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope should all cover in the scope of the claims of the utility model.

Claims (6)

1. a kind of LED backlight plate with shockproof function, it is characterised in that: it includes backlight ontology (1)；The backlight Ontology (1) is by reflectance coating (1-1), light guide plate (1-2), lower diffusion barrier (1-3), bright enhancement film (1-4) and upper diffusion barrier (1-5) structure At；The bottom of light guide plate (1-2) is equipped with reflectance coating (1-1), and the peripheral wall of light guide plate (1-2) is equipped with light-shielding sheet, light guide plate (1-2) Top is equipped with lower diffusion barrier (1-3), and the top of lower diffusion barrier (1-3) is equipped with bright enhancement film (1-4), and the top of bright enhancement film (1-4) is set There is upper diffusion barrier (1-5)；It also includes bottom framework (2), silica gel cushion block (3) and No.1 spring (4)；Bottom framework (2) setting is being carried on the back The bottom of tabula rasa ontology (1), silica gel cushion block (3) activity is embedded in the groove body in bottom framework (2) quadrangle, and silica gel cushion block (3) Lower end dew be set to the lower surface of bottom framework (2), the top of silica gel cushion block (3) is connected with No.1 spring (4), No.1 spring (4) Activity is embedded in groove body, and the upper end of No.1 spring (4) is fixed in groove body top inner wall.

2. a kind of LED backlight plate with shockproof function according to claim 1, it is characterised in that: the bottom framework (2) silica gel ring (5) are equipped between backlight ontology (1).

3. a kind of LED backlight plate with shockproof function according to claim 1, it is characterised in that: the bottom framework (2) several longitudinally oriented strips (6) are equipped in, the equal activity in both ends of longitudinally oriented strip (6) is embedded in sliding slot (2-1), the spiral shell in longitudinally oriented strip (6) Buffer unit (7) are screwed in pit (6-1), which is made of threaded rod (7-1), silicagel column (7-2), screw thread Bar (7-1) is screwed in threaded hole (6-1), and silicagel column (7-2), silicagel column 7-1 is nested and fixed in the upper end of threaded rod (7-1) It contradicts and is arranged with the bottom of backlight ontology (1).

4. a kind of LED backlight plate with shockproof function according to claim 3, it is characterised in that: the longitudinally oriented strip (6) both ends are respectively connected with magnetic patch (8), and the bottom framework (2) is metal bottom frame, and the magnetic patch (8) suction is located at bottom framework (2) In sliding slot (2-1) in the both sides of front and back.

5. a kind of LED backlight plate with shockproof function according to claim 3, it is characterised in that: the threaded rod The lower end of (7-1) is extended with flange (7-3) to the periphery.

6. a kind of LED backlight plate with shockproof function according to claim 3, it is characterised in that: the silicagel column (7-2) is hollow structure, is internally provided with No. two springs (9), the lower end of No. two springs (9) is fastened on threaded rod (7-1) Upper end.