CN206039096U - Side -entering backlight module - Google PatentsSide -entering backlight module Download PDF
- Publication number
- CN206039096U CN206039096U CN201620956608.6U CN201620956608U CN206039096U CN 206039096 U CN206039096 U CN 206039096U CN 201620956608 U CN201620956608 U CN 201620956608U CN 206039096 U CN206039096 U CN 206039096U
- Prior art keywords
- led lamp
- optical lens
- lamp pearl
- Prior art date
- 239000011049 pearl Substances 0.000 claims abstract description 51
- 230000003287 optical Effects 0.000 claims abstract description 36
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000009792 diffusion process Methods 0.000 claims description 11
- 241000971683 Maurolicus muelleri Species 0.000 claims description 2
- 230000000149 penetrating Effects 0.000 claims 1
- 201000009310 astigmatism Diseases 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011324 bead Substances 0.000 description 8
- 238000005286 illumination Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001143 conditioned Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
The utility model relates to a LCD TV technical field that is shaded discloses a side -entering backlight module, including the PCB board, set up in a plurality of high bright LED lamp pearl of PCB board one side to and set up in the die subassembly of the bright LED lamp pearl of height one side, the outside of a plurality of high bright LED lamp pearls is overlapped respectively to be equipped with and is used for the optical lens that disperses the light that the bright LED lamp pearl of height sent, optical lens and PCB board fixed connection. As above, adopt the mode that less high bright LED lamp pearl and optical lens combined together, and in jeting into the die subassembly through the light that the bright LED lamp pearl of height provided the hi -lite after optical lens's astigmatism, make irradiant area bigger, thereby make side -entering backlight module have better light efficiency, the use quantity of light source has been reduced effectively, thereby the degree of difficulty that makes the module equipment and maintain reduces, also make cost greatly reduced, do benefit to energy -concerving and environment -protectively, simultaneously because the reduction of light source quantity, make the radiating effect of high bright LED lamp pearl better.
The utility model is related to LCD TV backlight technical field, more particularly to a kind of side entrance back module.
LCD TV backlight technology is broadly divided into side entering type and straight-down negative two ways at present.As shown in figure 1, traditional side enters Multiple common LED lamp beads are uniformly arranged on formula backlight module the side of common matrix component, and common LED lamp bead sends light and passes through Light guide plate is coupled into, is scattered light-output by reflector plate, printing net-point reflection and diffusion sheet, but due to multiple LED lamp beads In backlight module side, backlight module can be caused the problem of low weak heat-dissipating, light efficiency, assembling and Maintenance Difficulty occur, make cost significantly Increase, be unfavorable for energy-conserving and environment-protective.
Utility model content
The purpose of this utility model is to provide a kind of side entrance back module, it is intended to solved in prior art, multiple LED Lamp bead arranges backlight module side can cause backlight module low weak heat-dissipating, light efficiency, assembling and Maintenance Difficulty occur, and cause cost Increase, be unfavorable for the problem of energy-conserving and environment-protective.
The utility model embodiment provides a kind of side entrance back module, including pcb board, is arranged at the pcb board one Some high-brightness LED lamp pearls of side, and the matrix component of some high-brightness LED lamp pearl sides is arranged at, it is described some highlighted The outside of LED lamp bead is arranged with the optical lens for the light diverging for sending the high-brightness LED lamp pearl, the optical lens respectively Mirror is fixedly connected with the pcb board.
Further, the optical lens is provided with light source accommodating cavity and recessed conical reflecting surface, the high-brightness LED lamp Pearl is located at the light source accommodating cavity.
Further, the light source accommodating cavity is just right with the center that crosses of the conical reflecting surface.
Further, the top cone angle of the conical reflecting surface is 90 ° to 175 °.
Further, the optical lens is fixed on the pcb board by installing plate, the installing plate be provided with to For the hole position that the high-brightness LED lamp pearl passes through.
Further, the matrix component includes light guide plate, reflector plate and diffusion sheet, the reflector plate and the diffusion sheet Respectively positioned at the both sides of the light guide plate, the side on the light guide plate near the diffusion sheet has site area.
Further, the position in the site area near each optical lens is provided with arc clear area.
Further, some high-brightness LED lamp pearls are equidistantly uniformly distributed on the pcb board.
Based on above-mentioned technical proposal, compared with prior art, the side entrance back module that the utility model embodiment is proposed, By the way of less high-brightness LED lamp pearl and optical lens combine, the light Jing light of high brightness is provided by high-brightness LED lamp pearl Inject in matrix component after the astigmatism for learning lens so that the area of illumination is bigger, so that side entrance back module has more Good light efficiency, effectively reduces the usage quantity of light source so that the assembling of module and maintenance difficulties are reduced, also so that into This reduction, is conducive to energy-conserving and environment-protective, simultaneously because the reduction of quantity of light source so that the better heat-radiation effect of high-brightness LED lamp pearl.
Description of the drawings
Fig. 1 is the structural representation of side entrance back module in prior art；
Structural representations of the Fig. 2 for the side entrance back module in the utility model embodiment；
Fig. 3 is the enlarged diagram of part A in Fig. 2；
Fig. 4 is the side schematic view of the side entrance back module that the utility model embodiment is proposed；
Structural representations of the Fig. 5 for the optical lens of the side entrance back module in the utility model embodiment.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be with It is directly to another element or may be simultaneously present centering elements.
In addition, also, it should be noted that the orientation term such as left and right, upper and lower in the utility model embodiment, is only mutual It is reference for relative concept or with the normal operating condition of product, and should not be regarded as restrictive.Hereinafter tie Close specific embodiment to realize being described in detail to of the present utility model.
As shown in Figure 2 and Figure 4, the utility model embodiment proposes a kind of side entrance back module, including pcb board 1, if It is placed in some high-brightness LED lamp pearls 4 of 1 side of pcb board, and the matrix component 5, Ruo Gangao for being arranged at 4 side of high-brightness LED lamp pearl The outside of bright LED lamp bead 4 is arranged with the optical lens 6 dissipated by the light for being launched respectively, the optical lens 6 with Pcb board 1 is fixedly connected.As described above, by high-brightness LED lamp pearl 4 is configured in the edge of LCD screen, then matrix of arranging in pairs or groups Component 5, is transported to the middle section of screen, herein, high-brightness LED lamp the light launched from screen edge through matrix component 5 Pearl 4 can provide high bright light rays, so as to make up the screen intensity deficiency problem that quantity of light source is reduced and brought.It is of the prior art Light source is as shown in Figure 1 simply using common LED lamp bead 2.
As shown in figure 4, the outside of some high-brightness LED lamp pearls 4 is arranged with optical lens 6, optical lens 6 is fixed with pcb board 1 Connection, some high-brightness LED lamp pearls 4 are injected from 5 side of matrix component Jing after the process of 6 astigmatism of optical lens, and the light after diverging is penetrated To matrix component 5 and cover whole matrix component 5.By the way of less high-brightness LED lamp pearl 4 and optical lens 6 combine, The light that high brightness is provided by high-brightness LED lamp pearl 4 is injected in matrix component 5 Jing after the astigmatism of optical lens 6 so that the face of illumination Product is bigger so that side entrance back module has more preferable light efficiency, is effectively reduced the usage quantity of light source, so that Assembling and the difficulty safeguarded are reduced, and also so that cost greatly reduces, are conducive to energy-conserving and environment-protective, simultaneously because quantity of light source Reduce so that the better heat-radiation effect of high-brightness LED lamp pearl 4.
Further, in the utility model embodiment, with reference to Fig. 5, above-mentioned each optical lens 6 is provided with light source accommodating cavity 62 With the conical reflecting surface 61 in recessed shape, above-mentioned high-brightness LED lamp pearl 4 is in light source accommodating cavity 62.Here, cone reflection Face 61 is primarily referred to as the inverted cone that is shaped as of reflecting surface, and the light that high-brightness LED lamp pearl 4 sends is by conical reflecting surface 61 Exhale.In addition, the light source of high-brightness LED lamp pearl 4 diverging area can be enlarged, it is ensured that in the less deficiency of quantity of light source To irradiate during complete screen, expand the irradiated area of each high-brightness LED lamp pearl 4, and allow light source to irradiate complete screen.
Further, in the utility model embodiment, with reference to Fig. 4 or Fig. 5, above-mentioned light source accommodating cavity 62 and above-mentioned cone The center that crosses of reflecting surface 61 faces.Certainly, according to actual conditions and real needs, in other embodiment of the present utility model In, when the light of high-brightness LED lamp pearl 4 can be spread by satisfaction, light source accommodating cavity 62 can also be other with conical reflecting surface 61 Position relationship, such as conical crossing for reflecting surface 61 be centrally located at 62 side of light source accommodating cavity etc., do not make unique herein Limit.
Further, in embodiment of the present utility model, with reference to Fig. 4 or Fig. 5, the top of above-mentioned conical reflecting surface 61 Cone angle is 90 ° -175 °.Here, when top cone angle is obtuse angle, disclosure satisfy that the light source diverging face of above-mentioned high-brightness LED lamp pearl 4 Product be enlarged, so as to ensure quantity of light source it is less and be not enough to irradiate complete screen when, by expanding each high-brightness LED lamp The irradiated area of pearl 4, so that light source can be with complete illumination to whole screens.
Further, in the utility model embodiment, with reference to Fig. 4 or Fig. 5, above-mentioned optical lens 6 passes through installing plate 63 It is fixed on pcb board 1, installing plate 63 is provided with the hole position (not marking in accompanying drawing) passed through for high-brightness LED lamp pearl 4.Here, Pcb board 1 is fixed by installing plate 63 with optical lens 6, and high-brightness LED lamp pearl 4 is fixed on pcb board 1, certainly through hole position, root According to actual conditions and demand, in the utility model other embodiment, optical lens 6 is fixed by installing plate 63 and pcb board 1 Mode, can also be bonding or welding etc., not make unique restriction herein.
With reference to Fig. 3 and Fig. 4, above-mentioned matrix component 5 includes the light guide plate 52 for receiving the light that optical lens 6 is launched, will not The light being utilized reflexes to the reflector plate 51 on light guide plate 52, and the diffusion sheet that the light that light guide plate 52 is received is spread out 54, reflector plate 54 and diffusion sheet 51 are respectively positioned at the both sides of light guide plate 52, and the position on light guide plate 52 near 54 side of diffusion sheet Site area 53 is installed.Here, the high-brightness LED lamp pearl 4 of 5 side of matrix component sends high light, using optical grade acrylic board The light guide plate 52 of material manufacture is transported to middle section the light transmission light guide plate 52 projected from side, and diffusion sheet 54 is by light guide plate The light source of 52 conveyings is evenly diffused throughout on screen, and the light that high-brightness LED lamp pearl 4 sends is not transferred to light guide plate 52 by reflector plate 51 Part be sent on light guide plate 52, so, it is to avoid light waste, improve light utilization efficiency.
Further, in the utility model embodiment, as shown in Figures 2 and 3, near each optics in above-mentioned site area 53 The position of lens 6 is provided with arc clear area 7.Matrix component 5 in the utility model and the common mould in the accompanying drawing 1 of prior art The difference of piece component 3 is that site area 53 is different, i.e., in site area 53 in the arc clear area 7 of each optical lens 6 It is not provided with site.The light sent from high-brightness LED lamp pearl 4 is drawn in light guide plate 52 using the light guide plate 52 of optical grade acryl plates The stop on surface, when light is mapped to each site, then reflected light can destroy conditioned reflex and by leaded light toward each angular spread 52 front of plate is projected, and by various densitys, site not of uniform size, can make 5 uniformly light-emitting of matrix component, due to optical lens 6 The brightness ratio of the light at close optical lens 6 after diverging is larger, after site is reflected can destroy the equal of whole matrix component 5 It is even luminous, therefore, by being not provided with site in the arc clear area 7 of each optical lens 6, you can be prevented effectively from impact 5 evenly luminous effect of matrix component.Certainly, according to actual conditions and real needs, in other embodiment of the present utility model, The shape of arc clear area 7 can be not only arc, can also be conical, trapezoidal or other shapes, not make unique restriction herein.
Further, in the utility model embodiment, as shown in Figures 2 and 3, above-mentioned multiple high-brightness LED lamp pearls 4 are equidistant It is evenly distributed on above-mentioned pcb board 1.As described above, by multiple high-brightness LED lamp pearls 4 are equidistantly uniformly distributed so that Light after optical lens 6 spreads equably can be mapped on above-mentioned matrix component 5, so that the matrix component 5 can be equal Go out light evenly.
In the utility model embodiment, the power of above-mentioned high-brightness LED lamp pearl 4 is at least 1 watt.When the high-brightness LED lamp The power of pearl 4 is at least 1 watt-hour, the high-luminance light provided using the high-brightness LED lamp pearl 4, can make up quantity of light source reduction The deficiency of the screen intensity brought, and high-luminance light is diffused to into larger region, herein, high-brightness LED lamp using optical lens 6 The power of pearl 4 is relevant with the top cone angle size of conical reflecting surface 61.The power of high-brightness LED lamp pearl 4 also with each highlighted LED Distribution spacing of the lamp bead 4 on pcb board 1 is relevant, and spacing is more big, and the power of the high-brightness LED lamp pearl 4 for needing is bigger, and spacing is less The power of the high-brightness LED lamp pearl 4 for then needing is less.
Embodiment described above, only the utility model specific embodiment, but protection domain of the present utility model is not This is confined to, any those familiar with the art can be readily occurred in the technical scope that the utility model is disclosed Various equivalent modifications, replacement and improvement etc., these modifications, replacement and improvement should all be covered in protection model of the present utility model Within enclosing.Therefore, protection domain of the present utility model should be defined by scope of the claims.
1. side entrance back module, it is characterised in that including pcb board, be arranged at some high-brightness LED lamps of the pcb board side Pearl, and the matrix component of some high-brightness LED lamp pearl sides is arranged at, the outside difference of some high-brightness LED lamp pearls The optical lens for the light diverging for sending the high-brightness LED lamp pearl is arranged with, the optical lens is fixed with the pcb board Connection.
2. side entrance back module as claimed in claim 1, it is characterised in that the optical lens be provided with light source accommodating cavity and Recessed conical reflecting surface, the high-brightness LED lamp pearl are located at the light source accommodating cavity.
3. side entrance back module as claimed in claim 2, it is characterised in that the light source accommodating cavity is anti-with the cone The center that crosses for penetrating face is just right.
4. side entrance back module as claimed in claim 3, it is characterised in that the top cone angle of the conical reflecting surface is 90 ° to 175 °.
5. the side entrance back module as described in any one of Claims 1-4, it is characterised in that the optical lens is by peace Dress plate is fixed on the pcb board, and the installing plate is provided with the hole position passed through for the high-brightness LED lamp pearl.
6. side entrance back module as claimed in claim 1, it is characterised in that the matrix component includes light guide plate, reflection Piece and diffusion sheet, the reflector plate and the diffusion sheet are located at the both sides of the light guide plate respectively, near institute on the light guide plate The side for stating diffusion sheet has site area.
7. side entrance back module as claimed in claim 6, it is characterised in that near each optical lens in the site area The position of mirror is provided with arc clear area.
8. side entrance back module as claimed in claim 1, it is characterised in that some high-brightness LED lamp pearls are equidistantly equal It is even to be distributed on the pcb board.
Priority Applications (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201620956608.6U CN206039096U (en)||2016-08-26||2016-08-26||Side -entering backlight module|
Applications Claiming Priority (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201620956608.6U CN206039096U (en)||2016-08-26||2016-08-26||Side -entering backlight module|
|Publication Number||Publication Date|
|CN206039096U true CN206039096U (en)||2017-03-22|
Family Applications (1)
|Application Number||Title||Priority Date||Filing Date|
|CN201620956608.6U Active CN206039096U (en)||2016-08-26||2016-08-26||Side -entering backlight module|
Country Status (1)
|CN (1)||CN206039096U (en)|
- 2016-08-26 CN CN201620956608.6U patent/CN206039096U/en active Active
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|C14||Grant of patent or utility model|