CN206573819U - A kind of ultra-thin down straight aphototropism mode set - Google Patents
A kind of ultra-thin down straight aphototropism mode set Download PDFInfo
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- CN206573819U CN206573819U CN201720139903.7U CN201720139903U CN206573819U CN 206573819 U CN206573819 U CN 206573819U CN 201720139903 U CN201720139903 U CN 201720139903U CN 206573819 U CN206573819 U CN 206573819U
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- guide plate
- lens
- light guide
- light
- shape structure
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Abstract
The utility model discloses a kind of ultra-thin down straight aphototropism mode set, for back light model setting technology field, including light guide plate and the light reflection structure for being located at light guide plate bottom, at least one hole shape structure is offered on light guide plate, light source assembly is provided with the shape structure of hole, the internal face formation incidence surface of hole shape structure, light source assembly includes light source and is embedded in the lens that hole shape structure is interior and can send into the light of light source in light guide plate through incidence surface, the bottom of lens is provided with the lamp storehouse for accommodating the light source, the internal face formation lens incidence surface in lamp storehouse, the lens outside wall surface formation lens exiting surface relative with incidence surface.The light that light source is produced internal face through hole shape structure after lens adjusts path is injected in light guide plate, then is projected after the reflection for passing through light guide plate and light reflection structure, to reach the effect of uniform area light source.Using hole shape structure is opened up on light guide plate in the utility model, light source assembly is accommodated, down straight aphototropism mode set thickness can be reduced while image quality is kept.
Description
Technical field
The utility model is used for back light model setting technology field, more particularly to a kind of ultra-thin down straight aphototropism mode set.
Background technology
LED backlight LCD TV is because the life-span is high, colour gamut is wide, the low feature of energy consumption turns into TV main flow.The current LED back ofs the body
Light mainly has 2 kinds of modes, and one kind is side entering type, and one kind is straight-down negative, and the two respectively has quality.
Side entrance back is that LED is arranged in the side of light guide plate, and the effect of face light is reached by the design of light guide plate,
Its advantage is frivolous, but its heat dissipation problem, local controlled optical issue etc. are always the problem of industry.
LED is just arranged in the lower end of diffuser plate by downward back, and the effect of face light is reached by the face diffusion of diffuser plate
Really, its advantage is LED backlight can be divided into some cells and control the switch of unit lattice, and outstanding color can be achieved
With comparison of light and shade effect.Deficiency is exactly that outward appearance can not accomplish ultra-thin.
How the thickness of reduction down straight aphototropism mode set is urgent as direct-type backlight while image quality is kept
The problem of needing to solve, the solution of current industry mainly has 2 kinds：1 kind is the lighting angle for improving secondary optical lens, 1
Plant is to increase the quantity of LED.
But, certain thickness is occupied due to optical lens, while the bottleneck that matches between LED leads to not to carry on the back
The thickness of light is reduced to below 10mm.
Utility model content
To solve the above problems, the utility model, which provides one kind, to reduce direct-type backlight while image quality is kept
The ultra-thin down straight aphototropism mode set of module thickness.
The utility model solves the technical scheme that its technical problem used：A kind of ultra-thin down straight aphototropism mode set, bag
Include light guide plate and be located on the light reflection structure of the light guide plate bottom, the light guide plate and offer at least one hole shape structure,
Light source assembly is provided with the hole shape structure, the internal face formation incidence surface of the hole shape structure, the light source assembly includes
Light source and it is embedded in the shape structure of hole and can be by the light of light source through the lens in incidence surface feeding light guide plate, the bottom of the lens
Portion is provided with the lamp storehouse for accommodating the light source, the internal face formation lens incidence surface in the lamp storehouse, the lens and the incidence surface
Relative outside wall surface formation lens exiting surface.
It is further used as the improvement of technical solutions of the utility model, the hole shape structure is be opened in light guide plate bottom blind
Hole or through hole.
It is further used as on the improvement of technical solutions of the utility model, the light guide plate setting multiple hole shape structures, each hole
Shape structure is uniformly distributed on light guide plate.
The improvement of technical solutions of the utility model is further used as, exiting surface, the light are formed on the top of the light guide plate
Source component is not higher by the exiting surface of light guide plate.
The improvement of technical solutions of the utility model is further used as, the top of the lens is provided with the bellmouth of indent, institute
Stating the hole wall formation of bellmouth can be all-trans the light entered through lens incidence surface and be incident upon the reflection from lens face of lens exiting surface.
It is further used as the improvement of technical solutions of the utility model, the lens exiting surfaces of the lens and light guide plate enter light
Face gapless close fit.
It is further used as the improvement of technical solutions of the utility model, the lens exiting surfaces of the lens and light guide plate enter light
Face optics glue is fixed.
The improvement of technical solutions of the utility model is further used as, the light source includes pcb board and is located at the pcb board
LED particle in the upper and embedded lamp storehouse, the lens are mounted on pcb board with LED particle and constitute lamp bar.
Be further used as the improvement of technical solutions of the utility model, the base plane of the light guide plate provided with dimpling and/
Or dimple-structures, dimpling and/or dimple-structures wound hole shape structure distribution, the distribution trend of dimpling and/or dimple-structures is more
It is thinner close to hole shape structure distribution.
The improvement of technical solutions of the utility model is further used as, in addition to is located at the backboard below the light guide plate, institute
It is to be located at the reflector plate for being mounted on backboard or being mounted in light guide plate base plane to state light reflection structure.
The beneficial effects of the utility model：In the utility model, the light that light source is produced is passed through after lens adjusts path
The internal face of hole shape structure is injected in light guide plate, then is projected after the reflection for passing through light guide plate and light reflection structure, uniform to reach
The effect of area source.Using hole shape structure is opened up on light guide plate in the utility model, light source assembly is accommodated, picture can kept
Down straight aphototropism mode set thickness is reduced while quality.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model assembling explosive view；
Fig. 2 is the utility model overall structure top view；
Fig. 3 is sectional view at A-A in this Fig. 2；
Fig. 4 is the utility model lens arrangement schematic diagram；
Fig. 5 is the utility model lens cross-section schematic diagram；
Fig. 6 is the utility model light channel structure schematic diagram；
Fig. 7 is the utility model dimpling and/or dimple-structures distribution schematic diagram.
Embodiment
Referring to figs. 1 to Fig. 7, that show the concrete structure of the preferred embodiment of the utility model.Below will specifically
The design feature of bright each part of the utility model, and if being described to during direction (upper and lower, left and right, before and after), be with
Structure shown in Fig. 3 is that reference is described, but actual use direction of the present utility model is not limited thereto.
Referring to Fig. 1, Fig. 3, the utility model provides a kind of ultra-thin down straight aphototropism mode set, including light guide plate 1 and is located at
At least one hole shape structure 11 is offered on the light reflection structure of the bottom of light guide plate 1, the light guide plate 1, in the hole shape
Light source assembly is provided with structure 11, the internal face formation incidence surface 12 of the hole shape structure 11, the light source assembly includes light source
Be embedded in the lens 2 that in hole shape structure 11 and the light of light source can be sent into light guide plate 1 through incidence surface 12.Also include being located at
The backboard 3 of the lower section of light guide plate 1, the light reflection structure is mounted on backboard 3 or is mounted on the bottom of light guide plate 1 to be located at
Reflector plate 4 in plane.In the utility model, the light that light source is produced is after the adjusts path of lens 2 through hole shape structure 11
Internal face is injected in light guide plate 1, then is projected after the reflection for passing through light guide plate 1 and light reflection structure, to reach uniform area light source
Effect.Using hole shape structure 11 is opened up on light guide plate 1 in the utility model, light source assembly is accommodated, image quality can kept
While reduce down straight aphototropism mode set thickness.
As the utility model preferred embodiment, referring to Fig. 2, wherein, the hole shape structure 11 is to be opened in leaded light
The blind hole or through hole of the bottom of plate 1, concrete structure is probably bellmouth（Groove）, cylindrical hole（Groove）, spherical pore（Groove）, hemispherical-shaped aperture
（Groove）Deng.Multiple hole shape structures 11 are set on the light guide plate 1, moreover, each hole shape structure 11 is uniformly distributed on light guide plate 1,
To reach the effect of uniform area light source.
The material of light guide plate 1 includes one kind of following material：PMMA, PC, ultrawhite optical glass of high index of refraction etc., coordinate knot
The surrounding of structure carries out ink silk screen printing, laser dotting, hot pressing or direct injection molding according to actual optical effect and is adjusted.It is described
Exiting surface 13 is formed on the top of light guide plate 1, and the light source assembly is not higher by the exiting surface 13 of light guide plate.
Referring to Fig. 4, Fig. 5, the bottom of the lens 2 is provided with the lamp storehouse 21 for accommodating the light source, the inwall in the lamp storehouse 21
Face forms lens incidence surface 22, and the lens 2 outside wall surface relative with the incidence surface 12 forms smooth lens exiting surface 23,
The tops of the lens 2 is provided with the bellmouth of indent, and the hole wall formation of the bellmouth will can enter through lens incidence surface 22
Light, which is all-trans, is incident upon the reflection from lens face 24 of lens exiting surface 23, and reflection from lens face 24 uses reflected light quadratic surface structure.Thoroughly
Its material of mirror includes one kind of following material：PMMA, PC, ultrawhite optical glass of high index of refraction etc..
In the present embodiment, the lens exiting surface 23 of the lens 2 and the gapless close fit of incidence surface 12 of light guide plate 1,
Or the incidence surface optics glue of the lens exiting surface 23 of the lens 2 and light guide plate 1 is fixed.The light source includes pcb board
51 and it is located on the pcb board 51 and the LED particle 52 in the embedded lamp storehouse 21, the lens 2 are pasted with LED particle 52
Loaded on lamp strip unit timing is constituted on pcb board 51, light guide plate 1 coordinates with lamp bar to be positioned on backboard 3.
Referring to Fig. 6, its design principle is as follows, the folding of lens incidence surface 22 of the rays pass through lens 2 sent by LED particle 52
Inject inside lens 2.Projected and entered in light guide plate 1 by lens exiting surface 23 after being reflected in reflection from lens face 24, in light guide plate 1
Light reflection structure be totally reflected and diffusing reflection after, projected by exiting surface 13, so as to reach the effect of uniform area light source.
Lens 2 can be using materials such as PMMA, PC, optical glass, it is assumed that its refractive index is 1.5, can be according to total reflection principle
Solution is drawn, when light is from optically denser medium directive optically thinner medium, is more than 41.8 ° in incidence angle, refraction light is wholly absent, only remaining
Reflection light, therefore the incidence of each light can be adjusted by the curvature of each point of the curve for the reflecting surface structure for adjusting lens 2
Angle.When the refractive index of lens 2 is higher, the height of its curved surface can be with smaller, and backlight module is thinner.
Light guide plate 1 can be injected in light guide plate 1 using the materials such as PMMA, PC, optical glass, light via incidence surface structure,
Full transmitting occurs on light reflection structure for incident ray.
As shown in fig. 7, the base plane 14 of the light guide plate 1 is provided with dimpling and/or dimple-structures, dimpling and/or micro-
The distribution trend of recessed structure wound hole shape structure distribution, dimpling and/or dimple-structures is thinner closer to hole shape structure distribution, is got over
It is closeer away from being distributed.To reach the effect of uniform area light source.
In embodiment of the present utility model, the gross thickness of backlight portion is can be controlled within 10mm, meets backlight module
Thin trend.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (10)
1. a kind of ultra-thin down straight aphototropism mode set, it is characterised in that：It is anti-including light guide plate and the light for being located at the light guide plate bottom
Penetrate and at least one hole shape structure is offered on structure, the light guide plate, light source assembly, the hole are provided with the hole shape structure
The internal face formation incidence surface of shape structure, the light source assembly includes light source and is embedded in the shape structure of hole and can be by the light of light source
The lens that line is sent into light guide plate through incidence surface, lamp storehouse of the bottom provided with the receiving light source of the lens, the lamp storehouse
Internal face formation lens incidence surface, the lens outside wall surface formation lens exiting surface relative with the incidence surface.
2. ultra-thin down straight aphototropism mode set according to claim 1, it is characterised in that：The hole shape structure is led to be opened in
The blind hole or through hole of tabula rasa bottom.
3. ultra-thin down straight aphototropism mode set according to claim 2, it is characterised in that：Multiple holes are set on the light guide plate
Shape structure, each hole shape structure is uniformly distributed on light guide plate.
4. ultra-thin down straight aphototropism mode set according to claim 1, it is characterised in that：The top of the light guide plate is formed out
Smooth surface, the light source assembly is not higher by the exiting surface of light guide plate.
5. ultra-thin down straight aphototropism mode set according to claim 1, it is characterised in that：The top of the lens is provided with indent
Bellmouth, the light entered through lens incidence surface can be all-trans and is incident upon the saturating of lens exiting surface by the hole wall formation of the bellmouth
Mirror reflecting surface.
6. ultra-thin down straight aphototropism mode set according to claim 5, it is characterised in that：The lens exiting surface of the lens with
The incidence surface gapless close fit of light guide plate.
7. ultra-thin down straight aphototropism mode set according to claim 5, it is characterised in that：The lens exiting surface of the lens with
The incidence surface optics glue of light guide plate is fixed.
8. ultra-thin down straight aphototropism mode set according to claim 5, it is characterised in that：The light source include pcb board and
The LED particle on the pcb board and in the embedded lamp storehouse is located at, the lens are mounted on pcb board with LED particle and constituted
Lamp bar.
9. ultra-thin down straight aphototropism mode set according to claim 1, it is characterised in that：In the base plane of the light guide plate
Provided with dimpling and/or dimple-structures, dimpling and/or dimple-structures wound hole shape structure distribution, point of dimpling and/or dimple-structures
Cloth trend is thinner closer to hole shape structure distribution.
10. ultra-thin down straight aphototropism mode set according to claim 1, it is characterised in that：Also include being located at the light guide plate
The backboard of lower section, the light reflection structure is to be located at the reflection for being mounted on backboard or being mounted in light guide plate base plane
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720139903.7U CN206573819U (en) | 2017-02-16 | 2017-02-16 | A kind of ultra-thin down straight aphototropism mode set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720139903.7U CN206573819U (en) | 2017-02-16 | 2017-02-16 | A kind of ultra-thin down straight aphototropism mode set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573819U true CN206573819U (en) | 2017-10-20 |
Family
ID=60059327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720139903.7U Expired - Fee Related CN206573819U (en) | 2017-02-16 | 2017-02-16 | A kind of ultra-thin down straight aphototropism mode set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573819U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957603A (en) * | 2017-12-22 | 2018-04-24 | 宁波正特光学电器有限公司 | A kind of mirror lens and its ultrathin backlight module |
| CN110208987A (en) * | 2019-06-26 | 2019-09-06 | 深圳创维－Rgb电子有限公司 | Down straight aphototropism mode set and display |
| CN111323967A (en) * | 2020-04-03 | 2020-06-23 | 深圳市隆利科技股份有限公司 | Surface light source backlight device |
| CN111367122A (en) * | 2020-04-03 | 2020-07-03 | 深圳市隆利科技股份有限公司 | Light guide LED lamp panel |
| CN111413826A (en) * | 2020-04-03 | 2020-07-14 | 深圳市隆利科技股份有限公司 | Surface light source backlight device |
-
2017
- 2017-02-16 CN CN201720139903.7U patent/CN206573819U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957603A (en) * | 2017-12-22 | 2018-04-24 | 宁波正特光学电器有限公司 | A kind of mirror lens and its ultrathin backlight module |
| CN110208987A (en) * | 2019-06-26 | 2019-09-06 | 深圳创维－Rgb电子有限公司 | Down straight aphototropism mode set and display |
| CN111323967A (en) * | 2020-04-03 | 2020-06-23 | 深圳市隆利科技股份有限公司 | Surface light source backlight device |
| CN111367122A (en) * | 2020-04-03 | 2020-07-03 | 深圳市隆利科技股份有限公司 | Light guide LED lamp panel |
| CN111413826A (en) * | 2020-04-03 | 2020-07-14 | 深圳市隆利科技股份有限公司 | Surface light source backlight device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20220216 |