CN106896576A - A kind of ultra-thin downward back photo structure - Google Patents
A kind of ultra-thin downward back photo structure Download PDFInfo
- Publication number
- CN106896576A CN106896576A CN201710174802.8A CN201710174802A CN106896576A CN 106896576 A CN106896576 A CN 106896576A CN 201710174802 A CN201710174802 A CN 201710174802A CN 106896576 A CN106896576 A CN 106896576A
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- CN
- China
- Prior art keywords
- backboard
- micro
- structural
- circular groove
- site
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000005315 distribution function Methods 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000037250 Clearance Effects 0.000 description 1
- 230000035512 clearance Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000051 modifying Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
Abstract
The invention discloses a kind of ultra-thin downward back photo structure, including backboard, circular groove, micro-structural, LED light bar and site；Backboard is fabricated by using injection molding process；Circular groove is provided with backboard, the quantity of circular groove is arranged on more than one, adjacent circular groove gap location is designed with site, and site is embedded into backboard；Circular groove on backboard is internally provided with micro-structural, and the size and number that micro-structural has circular configuration, the structure of micro-structural meets following functional relation, micro-structural diameter function is Φ=F (xled, ylgp), cavity disperse characteristic function Y=G (xled, ylgp)；Wherein xled is the characterisitic function of LED, and ylgp is the material characterisitic function of backboard；LED light bar is embedded in the bottom of backboard, and the bottom surface of backboard is pasted with reflector plate.The present invention manufactured by the injection molding process of backboard and light path particular design, light is mixed in backboard can just provide uniform source of light reaching using less LED, so as to realize reduces cost and reduce the effect of thickness.
Description
Technical field
The present invention relates to LCDs technical field, specifically a kind of ultra-thin downward back photo structure.
Background technology
Liquid crystal display (LCD), is the display device of planar ultra-thin, and it is by a number of colored or monochrome pixels group
Into, be positioned over light source or reflecting surface front.Liquid crystal display power consumption is very low, therefore extremely engineer's favor, it is adaptable to use
The electronic equipment of battery.Current display device market is substantially based on LCD shows, but because LCD does not light in itself, it is aobvious
Diagram shape or its result to light modulation.Therefore needing backlight can just make LCDs normally show that backlight is
Positioned at a kind of light source of liquid crystal display behind, its illumination effect will directly influence LCD MODULE (LCM) vision effect
Really.The design of current backlight substantially has two kinds of side entering type and straight-down negative.
Just be placed in lamp bar on the base plate parallel with screen of the underface of LCD by downward back, and light is directly projected from bottom,
Optimize light by the blooming piece such as diffuser plate and diffusion sheet, prismatic lens, there is provided uniform area source.Side entrance back is by lamp
Bar is placed on the frame of the side of LCD, and light is projected by the light such as backboard and diffusion sheet, prismatic lens after backboard is reflected from screen
Learn diaphragm optimization light, there is provided uniform area source.Both modes are respectively provided with certain defect：
Although direct-type backlight low cost first, it is possible to use less LED provides the object brightness that light source reaches TV,
But due to light source in underface, it is necessary to certain light mixing distance makes light be mixed sufficiently so that the purpose for reaching uniform light extraction,
This integral thickness for just making backlight and weight increase, and outward appearance is less attractive in appearance and relatively heavier.
And the light mixing distance of thickness direction is avoided the need for due to being that backlight is placed on LCD sides using side-light type, although
Can accomplish lightening, but need to use more LED to can be only achieved TV object brightness, institute for side-edge type backlight
It is of a relatively high with cost.
The content of the invention
It is an object of the invention to provide a kind of ultra-thin downward back photo structure, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of ultra-thin downward back photo structure, including backboard, circular groove, micro-structural, LED light bar and site；Backboard is adopted
It is fabricated by with injection molding process；Circular groove is provided with the backboard, the quantity of circular groove is arranged on more than one,
Adjacent circular groove gap location is designed with site, and site is embedded into backboard；Circular groove on the backboard is internally provided with
Micro-structural, the size and number that micro-structural has circular configuration, the structure of the micro-structural meets such as minor function：
Φ=F (xled, ylgp)
Y=G (xled, ylgp)
Wherein xled is the characterisitic function of LED, and ylgp is the material characterisitic function of backboard, and Φ is micro-structural diameter, and Y is micro-
Structure distribution function；The LED light bar is embedded in the bottom of backboard, and the bottom surface of backboard is pasted with reflector plate.
As further scheme of the invention：The material of the backboard is PMMA or MS optically transparent materials.
As further scheme of the invention：The dot number is arranged on more than one, and multiple sites are spaced.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention manufactured by the injection molding process of backboard and light path particular design, light is mixed in backboard with
Reaching can just provide uniform source of light using less LED, so as to realize reduces cost and reduce the effect of thickness, direct-type backlight
The thicker problem of structure also solves the problems, such as that side entrance back cost is higher.
Brief description of the drawings
Fig. 1 is the structural representation of ultra-thin downward back photo structure.
Fig. 2 is the structural representation of ultra-thin downward back photo structure dorsulum.
In figure：1- backboards, 2- circular grooves, 3- micro-structurals, 4-LED lamp bars, 5- sites.
Specific embodiment
Technical scheme is described in more detail with reference to specific embodiment.
Refer to Fig. 1-2, a kind of ultra-thin downward back photo structure, including backboard 1, circular groove 2, micro-structural 3, LED
Bar 4 and site 5；The material of the backboard 1 is PMMA or MS optically transparent materials, and backboard 1 is using injection molding process manufacture
Into its generous size of length is designed according to actual needs；Circular groove 2, the number of circular groove 2 are provided with the backboard 1
Amount is arranged on more than one, and the adjacent gap location of circular groove 2 is designed with site 5, and site 5 is embedded into backboard 1, and site 5 counts
Amount is arranged on more than one, and multiple sites 5 are spaced, and the effect of site 5 is the dissipating effect for strengthening light；Circular groove 2
Quantity and the clearance distance between site and circular groove 2, row can be adjusted according to the size of different television sizes
Row；Micro-structural 3 is internally provided with the circular groove 2 of backboard 1, micro-structural 3 has a circular configuration, micro-structural 3 makes the light can be with
Uniform diverging, the size and number of the structure of the micro-structural 3 meets such as minor function：
Φ=F (xled,ylgp)
Y=G (xled,ylgp)
Wherein xledIt is the characterisitic function of LED, ylgpIt is the material characterisitic function of backboard, Φ is micro-structural diameter, and Y is micro- knot
Structure distribution function.
The LED light bar 4 is embedded in the bottom of backboard 1, and the bottom surface of the backboard 1 is pasted with reflector plate.
Operation principle of the invention is：
The light that LED light bar 4 sends can form a face light for border circular areas by the refraction and reflection of circular groove 2
Source, numerous LED light bars 4 are plus circular groove 2 along with the reflection of the site 5 of backboard can form an entirety uniformly light-emitting
Backlight, then by the reflection of reflector plate, improves the utilization rate of light source.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of present inventive concept not be departed from
Various changes can be made.
Claims (3)
1. a kind of ultra-thin downward back photo structure, it is characterised in that including backboard (1), circular groove (2), micro-structural (3), LED
Lamp bar (4) and site (5)；Backboard (1) is fabricated by using injection molding process；Circular groove is provided with the backboard (1)
(2), the quantity of circular groove (2) is arranged on more than one, and adjacent circular groove (2) gap location is designed with site (5), site
(5) it is embedded into backboard (1)；Circular groove (2) on the backboard (1) is internally provided with micro-structural (3), micro-structural (3) tool
The size and number for having circular configuration, the structure of the micro-structural (3) meets such as minor function：
Φ=F (xled, ylgp)
Y=G (xled, ylgp)
Wherein xled is the characterisitic function of LED, and ylgp is the material characterisitic function of backboard, and Φ is micro-structural diameter, and Y is micro-structural
Distribution function；The bottom of the embedded backboard (1) of the LED light bar (4), the bottom surface of backboard (1) is pasted with reflector plate.
2. ultra-thin downward back photo structure according to claim 1, it is characterised in that the material of the backboard (1) is
PMMA or MS optically transparent materials.
3. ultra-thin downward back photo structure according to claim 1, it is characterised in that site (5) quantity is arranged on
More than one, multiple sites (5) are spaced.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119849 | 2016-12-08 | ||
| CN2016111198496 | 2016-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106896576A true CN106896576A (en) | 2017-06-27 |
Family
ID=59192430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710174802.8A Pending CN106896576A (en) | 2016-12-08 | 2017-03-22 | A kind of ultra-thin downward back photo structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106896576A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315277A (en) * | 2017-07-03 | 2017-11-03 | 京东方科技集团股份有限公司 | Backlight module, display device |
| CN107966856A (en) * | 2017-12-01 | 2018-04-27 | 青岛海信电器股份有限公司 | A kind of down straight aphototropism mode set and its liquid crystal display device |
| CN108616707A (en) * | 2018-04-13 | 2018-10-02 | 康佳集团股份有限公司 | A kind of television set metal framework support construction and production method |
| WO2020248358A1 (en) * | 2019-06-14 | 2020-12-17 | 惠州市华星光电技术有限公司 | Backlight module and display device |
-
2017
- 2017-03-22 CN CN201710174802.8A patent/CN106896576A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315277A (en) * | 2017-07-03 | 2017-11-03 | 京东方科技集团股份有限公司 | Backlight module, display device |
| CN107966856A (en) * | 2017-12-01 | 2018-04-27 | 青岛海信电器股份有限公司 | A kind of down straight aphototropism mode set and its liquid crystal display device |
| CN108616707A (en) * | 2018-04-13 | 2018-10-02 | 康佳集团股份有限公司 | A kind of television set metal framework support construction and production method |
| CN108616707B (en) * | 2018-04-13 | 2021-03-23 | 康佳集团股份有限公司 | Metal frame type support structure for television and manufacturing method |
| WO2020248358A1 (en) * | 2019-06-14 | 2020-12-17 | 惠州市华星光电技术有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |