CN103574514A - LED (light-emitting diode) light guide element, LED light source module and direct type LED television - Google Patents
LED (light-emitting diode) light guide element, LED light source module and direct type LED television Download PDFInfo
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- CN103574514A CN103574514A CN201210274847.XA CN201210274847A CN103574514A CN 103574514 A CN103574514 A CN 103574514A CN 201210274847 A CN201210274847 A CN 201210274847A CN 103574514 A CN103574514 A CN 103574514A
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Abstract
The invention relates to a direct type LED television, which comprises an LED module, a light guide element and a display panel. The LED module comprises a circuit board and a plurality of LEDs arranged as an array on the circuit board. The light guide element is arranged on the circuit board, and comprises a light incidence surface and an opposite light emergence surface, the light incidence surface is attached on the circuit board, and is provided with a plurality of concave lenses containing the LEDs, the light emergence surface is provided with a plurality of convex lenses corresponding to the concave lenses, and the light emitted by one LED is diffused under the joint effect of each concave lens and the corresponding convex lens. The display panel is arranged over the light guide element and receives LED light transmitted by the light guide element. The invention also relates to the LED light guide element and the LED light source module.
Description
Technical field
The present invention relates to light-guide device, relate in particular to LED light-guide device and light source module thereof and straight-down negative LED TV.
Background technology
Light emitting diode (LED) is widely used as spot light.At present, the light-guide device of LED is mainly the diffuser plate of a plane, and this diffuser plate inside has particulate for diffusing light.This diffuser plate and this LED need to maintain certain distance makes the light heat can concentrations and produce focus (Hot Spot).Yet, along with slimming electronic product, the demand of slimming LED TV for example, the distance of above-mentioned diffuser plate and LED is difficult to further limit.
Summary of the invention
In view of this, be necessary to provide a kind of LED light-guide device, LED light source module and straight-down negative LED TV that can overcome the problems referred to above.
A kind of LED light-guide device, it comprises the exiting surface that an incidence surface and deviates from mutually, this incidence surface has a plurality of indent lens faces and accommodates a plurality of LED, it is corresponding with the plurality of indent lens face that this exiting surface has a plurality of outer convex lens, and each this indent lens face makes a LED light diffusion with this corresponding outer convex lens acting in conjunction.
A module, it comprises a LED module and a light-guide device.This LED module comprise a circuit board and a plurality of LED with array arrangement on this circuit board.This light-guide device is arranged on this circuit board, it comprises the exiting surface that an incidence surface and deviates from mutually, this incidence surface is attached on this circuit board, this incidence surface has a plurality of indent lens faces and accommodates the plurality of LED, it is corresponding with the plurality of indent lens face that this exiting surface has a plurality of outer convex lens, and each this indent lens face spreads with this corresponding outer convex lens acting in conjunction the light that this LED sends.
A LED TV, it comprises a LED module, a light-guide device and a display floater.This LED module comprises that a circuit board and a plurality of LED array are arranged on this circuit board.This light-guide device is arranged on this circuit board, it comprises the exiting surface that an incidence surface and deviates from mutually, this incidence surface is attached on this circuit board, this incidence surface has a plurality of indent lens faces and accommodates the plurality of LED, it is corresponding with the plurality of indent lens face that this exiting surface has a plurality of outer convex lens, and each this indent lens face spreads with this corresponding outer convex lens acting in conjunction the light that this LED sends.This display floater is arranged on this light-guide device top and receives the LED light that sees through this light-guide device.
With respect to prior art, the incidence surface that LED light-guide device provided by the invention is faced LED has indent lens face, the exiting surface that deviates from LED has outer convex lens, this indent lens face first spreads LED light, thereby can alleviate or eliminate hot spot phenomenon, this outer convex lens further makes the diffusion of LED light as site, thereby promotes the effect of short distance scatter.This LED light source module and LED TV avoid using diffuser plate by this light-guide device, realize and maximizing and slimming.
Accompanying drawing explanation
Fig. 1 is the LED light-guide device schematic perspective view that first embodiment of the invention provides.
Fig. 2 is the reverse side schematic diagram of Fig. 1.
Fig. 3 is the LED light-guide device schematic perspective view that second embodiment of the invention provides.
Fig. 4 is the LED light source module schematic perspective view that the embodiment of the present invention provides.
Fig. 5 is that Fig. 4 is along the cut-away view of V-V line.
Fig. 6 is the straight-down negative LED TV schematic diagram that the embodiment of the present invention provides.
Main element symbol description
| Light- |
100，200 |
| LED |
300 |
| Straight-down negative LED TV | 400 |
| |
12 |
| Exiting |
14 |
| |
121 |
| |
141，241 |
| |
310 |
| |
340 |
| |
330 |
| Display floater | 410 |
The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
See also Fig. 1 and Fig. 2, the LED light-guide device 100 that first embodiment of the invention provides is strip always, and it comprises an incidence surface 12 and an exiting surface deviating from mutually 14.
This incidence surface 12 has a plurality of indent lens faces 121 spaced apart, and it is corresponding with the plurality of indent lens face 121 that this exiting surface 14 has a plurality of outer convex lens 141 spaced apart.Between two adjacent indent lens faces 121, be plane, and be also plane between two adjacent outer convex lens 141.This indent lens face 121 this outer convex lens 141 optical centres corresponding with align.Each this indent lens face 121 can be sphere or aspherical shape with each this outer convex lens 141.The plurality of indent lens face 121 and the plurality of outer convex lens 141 are spaced respectively becomes array, and in the present embodiment, the plurality of indent lens face 121 is respectively line array with the plurality of outer convex lens 141.
This light-guide device 100 structure that is formed in one, its integral body is made by light transmissive material.
LED is housed in this formed space of indent lens face 121.This indent lens face 121 first spreads LED light, thereby the heat that makes LED light can concentrations, can alleviate or eliminate hot spot phenomenon, this outer convex lens 141 further makes the diffusion of LED light as site, thereby promotes the effect of short distance scatter.
Refer to Fig. 3, the LED light-guide device 200 that second embodiment of the invention provides is a sheet material shape, and its a plurality of indent lens face (not shown) are corresponding with a plurality of outer convex lens 241, and can distinguish the array shape that spaced one-tenth needs.The plurality of indent lens face and the plurality of outer convex lens 241 can utilize respectively impression one-shot forming, the structure that is still formed in one of this light-guide device 200 after moulding.
See also Fig. 4 and Fig. 5, the LED light source module 300 that the embodiment of the present invention provides comprises a LED module 310 and a light-guide device 100.This LED module 310 comprises that a circuit board 340 and a plurality of LED330 array arrangement are on this circuit board 340.The incidence surface 12 of this light-guide device 100 is attached on this circuit board 340.LED is housed in this formed space of indent lens face 121.
Due to caving inward and diffusion to light of indent lens face 121, LED module 310 can dwindle even directly and contact with the distance between this light-guide device 100, and the incidence surface of this light-guide device 100 can be attached on this circuit board 340.Meanwhile, the hot spot phenomenon of LED can alleviate or eliminate.Owing to having the further diffusion of outer convex lens 141, this LED light source module 300 can be without other diffuser plate.
Refer to Fig. 6, the straight-down negative LED TV 400 that the embodiment of the present invention provides comprises that a display floater 410 is arranged on light-guide device 100 tops of this LED light source module 300.This display floater 410 receives the LED light that sees through this light-guide device 100.Between this display floater 410 and this light-guide device 100, can increase other element, but without diffuser plate.
Can slimming due to this LED light source module 300, this straight-down negative LED TV 400 can slimming.
Be understandable that, those skilled in the art also can do other and change in spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (9)
1. a LED light-guide device, it comprises the exiting surface that an incidence surface and deviates from mutually, this incidence surface has a plurality of indent lens faces and accommodates a plurality of LED, it is corresponding with the plurality of indent lens face that this exiting surface has a plurality of outer convex lens, and each this indent lens face makes a LED light diffusion with this corresponding outer convex lens acting in conjunction.
2. LED light-guide device as claimed in claim 1, is characterized in that: this indent lens face aligns with this corresponding outer convex lens optical centre, and the plurality of indent lens face and the plurality of outer convex lens are spaced respectively becomes array.
3. LED light-guide device as claimed in claim 1, is characterized in that: between these two these adjacent indent lens faces, be plane, and be plane between two these adjacent outer convex lens.
4. LED light-guide device as claimed in claim 1, is characterized in that: this LED light-guide device structure that is formed in one.
5. a LED light source module, it comprises:
One LED module, this LED module comprise a circuit board and a plurality of LED with array arrangement on this circuit board; And
One light-guide device is arranged on this circuit board, it comprises the exiting surface that an incidence surface and deviates from mutually, this incidence surface is attached on this circuit board, this incidence surface has a plurality of indent lens faces and accommodates the plurality of LED, it is corresponding with the plurality of indent lens face that this exiting surface has a plurality of outer convex lens, and each this indent lens face spreads with this corresponding outer convex lens acting in conjunction the light that this LED sends.
6. LED light source module as claimed in claim 5, is characterized in that: this indent lens face aligns with this corresponding outer convex lens optical centre, and the plurality of indent lens face and the plurality of outer convex lens are spaced respectively becomes array.
7. LED light source module as claimed in claim 5, is characterized in that: between these two these adjacent indent lens faces, be plane, and be plane between two these adjacent outer convex lens.
8. LED light source module as claimed in claim 5, is characterized in that: this light-guide device structure that is formed in one.
9. a straight-down negative LED TV, it comprises:
One LED module, this LED module comprise a circuit board and a plurality of LED with array arrangement on this circuit board;
One light-guide device is arranged on this circuit board, it comprises the exiting surface that an incidence surface and deviates from mutually, this incidence surface is attached on this circuit board, this incidence surface has a plurality of indent lens faces and accommodates the plurality of LED, it is corresponding with the plurality of indent lens face that this exiting surface has a plurality of outer convex lens, and each this indent lens face spreads with this corresponding outer convex lens acting in conjunction the light that this LED sends; And
One display floater is arranged on this light-guide device top and receives the LED light that sees through this light-guide device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210274847.XA CN103574514A (en) | 2012-08-03 | 2012-08-03 | LED (light-emitting diode) light guide element, LED light source module and direct type LED television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210274847.XA CN103574514A (en) | 2012-08-03 | 2012-08-03 | LED (light-emitting diode) light guide element, LED light source module and direct type LED television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103574514A true CN103574514A (en) | 2014-02-12 |
Family
ID=50046880
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210274847.XA Pending CN103574514A (en) | 2012-08-03 | 2012-08-03 | LED (light-emitting diode) light guide element, LED light source module and direct type LED television |
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|---|---|
| CN (1) | CN103574514A (en) |
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| CN107783212A (en) * | 2016-08-30 | 2018-03-09 | 环视先进数字显示无锡有限公司 | Micron LED display module second order wide viewing angle grating manufacture methods and display module |
| CN107872749A (en) * | 2016-09-23 | 2018-04-03 | 苹果公司 | Illuminated user interface framework |
| CN109064917A (en) * | 2018-08-24 | 2018-12-21 | 深圳市隆利科技股份有限公司 | A kind of forward sight HDR display device based on microlens array |
| CN109681792A (en) * | 2017-10-18 | 2019-04-26 | 鸿富锦精密工业（深圳）有限公司 | LED backlight mould group |
| CN110047400A (en) * | 2019-03-31 | 2019-07-23 | 湖南凯星电子科技有限公司 | A kind of lens diffuser plate and illuminating module and its modularity lamp box |
| CN110346969A (en) * | 2019-06-14 | 2019-10-18 | 惠州市华星光电技术有限公司 | A kind of backlight module and display device |
| US10631071B2 (en) | 2016-09-23 | 2020-04-21 | Apple Inc. | Cantilevered foot for electronic device |
| US10652650B2 (en) | 2014-09-30 | 2020-05-12 | Apple Inc. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
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|---|---|---|---|---|
| US10524044B2 (en) | 2014-09-30 | 2019-12-31 | Apple Inc. | Airflow exit geometry |
| US11818535B2 (en) | 2014-09-30 | 2023-11-14 | Apple, Inc. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
| USRE49437E1 (en) | 2014-09-30 | 2023-02-28 | Apple Inc. | Audio driver and power supply unit architecture |
| US11290805B2 (en) | 2014-09-30 | 2022-03-29 | Apple Inc. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
| US11256338B2 (en) | 2014-09-30 | 2022-02-22 | Apple Inc. | Voice-controlled electronic device |
| US10652650B2 (en) | 2014-09-30 | 2020-05-12 | Apple Inc. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
| US10609473B2 (en) | 2014-09-30 | 2020-03-31 | Apple Inc. | Audio driver and power supply unit architecture |
| CN107783212A (en) * | 2016-08-30 | 2018-03-09 | 环视先进数字显示无锡有限公司 | Micron LED display module second order wide viewing angle grating manufacture methods and display module |
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| EP3397033A1 (en) * | 2016-09-23 | 2018-10-31 | Apple Inc. | Illuminated user interface architecture |
| US10587950B2 (en) | 2016-09-23 | 2020-03-10 | Apple Inc. | Speaker back volume extending past a speaker diaphragm |
| CN107872749B (en) * | 2016-09-23 | 2019-09-27 | 苹果公司 | Illuminated user interface framework |
| CN107872749A (en) * | 2016-09-23 | 2018-04-03 | 苹果公司 | Illuminated user interface framework |
| US10771890B2 (en) | 2016-09-23 | 2020-09-08 | Apple Inc. | Annular support structure |
| US10834497B2 (en) | 2016-09-23 | 2020-11-10 | Apple Inc. | User interface cooling using audio component |
| US10911863B2 (en) | 2016-09-23 | 2021-02-02 | Apple Inc. | Illuminated user interface architecture |
| US10257608B2 (en) | 2016-09-23 | 2019-04-09 | Apple Inc. | Subwoofer with multi-lobe magnet |
| US11693487B2 (en) | 2016-09-23 | 2023-07-04 | Apple Inc. | Voice-controlled electronic device |
| US11693488B2 (en) | 2016-09-23 | 2023-07-04 | Apple Inc. | Voice-controlled electronic device |
| CN109681792A (en) * | 2017-10-18 | 2019-04-26 | 鸿富锦精密工业（深圳）有限公司 | LED backlight mould group |
| CN109064917A (en) * | 2018-08-24 | 2018-12-21 | 深圳市隆利科技股份有限公司 | A kind of forward sight HDR display device based on microlens array |
| CN110047400A (en) * | 2019-03-31 | 2019-07-23 | 湖南凯星电子科技有限公司 | A kind of lens diffuser plate and illuminating module and its modularity lamp box |
| US11353744B2 (en) | 2019-06-14 | 2022-06-07 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Backlight module and display device |
| CN110346969A (en) * | 2019-06-14 | 2019-10-18 | 惠州市华星光电技术有限公司 | A kind of backlight module and display device |
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Application publication date: 20140212 |
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