CN102606982A - Light guide plate and LED lamp with same - Google Patents
Light guide plate and LED lamp with same Download PDFInfo
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- CN102606982A CN102606982A CN2011100234744A CN201110023474A CN102606982A CN 102606982 A CN102606982 A CN 102606982A CN 2011100234744 A CN2011100234744 A CN 2011100234744A CN 201110023474 A CN201110023474 A CN 201110023474A CN 102606982 A CN102606982 A CN 102606982A
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- guide plate
- light guide
- leaded light
- main body
- plate main
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Abstract
The invention discloses a light guide plate, and aims to provide the light guide plate distributed in a way of net dot fill rate and capable of improving the luminous efficiency and the luminous uniformity of the light guide plate remarkably. The light guide plate comprises a light guide plate main body and light guide net dots arranged on the light guide plate main body. The light guide net dots are formed by a plurality of light guide dots. The fill rate of the light guide dots decreases orderly and smoothly from the center to the periphery of the light guide plate main body. The invention further discloses an LED lamp with the light guide plate. The invention can be used to various light guide plates and LED lamps.
Description
Technical field
The present invention relates to lighting field, especially relate to a kind of LGP and have the LED lamp of this LGP.
Background technology
LED is as a kind of novel environment friendly light source, more and more widely be used for backlight, the lighting fields such as illumination, automobile-used illumination indoor and outdoor of TV.The LGP conduct is critical component wherein, and light efficiency is played a crucial factor.Yet; The development of existing LGP be adopt empirical data, through experiment method repeatedly correcting form; Lead time is long, and light guide plate mesh point lacks optimal design, is difficult to accurate calculating; And the rule of arranging randomness is bigger, and the brightness uniformity of LED lamp light-emitting area and the light extraction efficiency of LGP are difficult to accomplish the best.
Summary of the invention
The present invention is long in order to solve the prior art LGP lead time; Light guide plate mesh point lacks optimal design; Be difficult to accurate calculating; And the rule of arranging randomness is bigger, and the brightness uniformity of LED lamp light-emitting area and the light extraction efficiency of LGP are difficult to accomplish best technical problem, a kind of LGP is provided and has had the LED lamp of this LGP.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is a kind of LGP of design; Comprise a light guide plate main body and be arranged on the leaded light site on the said light guide plate main body; Said leaded light site is made up of some leaded light points, and the filling rate of said leaded light point smoothly reduces by the center of light guide plate main body is past all around successively.
Said light guide plate main body is square; Said leaded light site comprises the first turnover leaded light point, the second turnover leaded light point that is positioned at said light guide plate main body center that are positioned at four jiaos of said light guide plate main bodies, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 3rd turnover leaded light point of this perpendicular bisector 1/6 length, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 4th turnover leaded light point of this perpendicular bisector 1/3 length, be positioned at said light guide plate main body 4 paracentral the 5th turnover leaded light points and be positioned on the said light guide plate main body diagonal and the said light guide plate main body of distance center is the 6th turnover leaded light point of this diagonal 1/4 length, and the filling rate that the said second turnover leaded light point, the 3rd turnover leaded light point, the 6th turnover leaded light point, the 4th turnover leaded light point, the first turnover leaded light point, the 5th are transferred leaded light point reduces successively.
Said adjacent three leaded light points are triangular arranged.
Said light guide plate main body is square.
The present invention also provides a kind of LED lamp with LGP; Comprise LGP and the LED that places said LGP side; Said LGP comprises a light guide plate main body and is arranged on the leaded light site on the said light guide plate main body; Said leaded light site is made up of some leaded light points, and the filling rate of said leaded light point smoothly reduces by the center of light guide plate main body is past all around successively.
Said light guide plate main body is square; Said leaded light site comprises the first turnover leaded light point, the second turnover leaded light point that is positioned at said light guide plate main body center that are positioned at four jiaos of said light guide plate main bodies, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 3rd turnover leaded light point of this perpendicular bisector 1/6 length, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 4th turnover leaded light point of this perpendicular bisector 1/3 length, be positioned at said light guide plate main body 4 paracentral the 5th turnover leaded light points and be positioned on the said light guide plate main body diagonal and the said light guide plate main body of distance center is the 6th turnover leaded light point of this diagonal 1/4 length, and the filling rate that the said second turnover leaded light point, the 3rd turnover leaded light point, the 6th turnover leaded light point, the 4th turnover leaded light point, the first turnover leaded light point, the 5th are transferred leaded light point reduces successively.
Said adjacent three leaded light points are triangular arranged.
Said light guide plate main body is square.
Equidistant four sides that are arranged at said LGP of said LED.
The bottom surface of said LGP is provided with reflector plate, and the end face of said LGP is provided with diffuser plate.
The present invention is through being arranged to the filling rate of the leaded light point on the LGP by the center toward smoothly reducing successively all around; Thereby can just can obtain the leaded light site of best LGP again through less suboptimization through the computer simulation technique leaded light site design rule specific according to the present invention; Compare according to experiment and obtain the leaded light site; Lead time obviously shortens; And can optimize the design of leaded light site; Improve the light extraction efficiency and the light-emitting uniformity of LGP, the brightness uniformity of LED lamp light-emitting area and the light extraction efficiency of LGP all can be accomplished the best easily, thereby make the LED light fixture that utilizes LGP of the present invention to make that more energy-conservation, high light-emitting area luminance uniformity arranged, hang down dazzle, advantage such as structure is attractive in appearance, simple for assembly process.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is a light conducting plate structure sketch map of the present invention;
Fig. 2 is the leaded light network point distribution principle schematic of LGP of the present invention;
Fig. 3 is the adjacent leaded light site of the LGP of the present invention sketch map of arranging.
The specific embodiment
See also Fig. 1; LGP 8 of the present invention comprises a light guide plate main body 81 and is arranged on the leaded light site 82 on the said light guide plate main body; Said leaded light site 82 is made up of some leaded light points 83, and the filling rate of said leaded light point smoothly reduces by the center of light guide plate main body is past all around successively.The filling rate of leaded light point is the area of leaded light point on the unit light guide plate area.
Please in the lump referring to Fig. 2; Light guide plate main body 81 is square; Leaded light site 82 comprises the first turnover leaded light point 1, the second turnover leaded light point 2 that is positioned at said light guide plate main body center that are positioned at four jiaos of said light guide plate main bodies, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 3rd turnover leaded light point 3 of this perpendicular bisector 1/6 length, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 4th turnover leaded light point 4 of this perpendicular bisector 1/3 length, be positioned at said light guide plate main body 4 paracentral the 5th turnover leaded light points 5 and be positioned on the said light guide plate main body diagonal and the said light guide plate main body of distance center is the 6th turnover leaded light point 6 of this diagonal 1/4 length, and said second leaded light point the 2, the 3rd leaded light point the 3, the 6th leaded light point the 6, the 4th leaded light point 4, first filling rate that leaded light point the 1, the 5th transfers leaded light point 5 of transferring of transferring of transferring of transferring of transferring reduces successively.Promptly; Between the second turnover leaded light point 2 and the 3rd turnover leaded light point 3, between the 3rd turnover leaded light point 3 and the 6th turnover leaded light point 6, the 6th leaded light point 6 and the 4th of transferring transfers between the leaded light point 4, the 4th transfers that leaded light point 4 and first is transferred between the leaded light point 1, first filling rate that leaded light point 1 and the 5th transfers the leaded light point between the leaded light point 5 of transferring reduces successively; And the filling rate smooth excessiveness of leaded light point between each turnover leaded light point is so that distribution of light is more even.
Because the emitting brightness of certain point is directly proportional with the filling rate of leaded light point; Therefore; The filling rate of leaded light point is smoothly reduced by the center of light guide plate main body is past all around successively, can make behind the leaded light of the light process leaded light site that the LED of LGP side sends, Luminance Distribution is more even.And be arranged to reduce successively through leaded light point 4, first that the said second turnover leaded light point 2, the 3rd turnover leaded light point 3, the 6th turnover leaded light point the 6, the 4th the are transferred filling rate that leaded light point the 1, the 5th transfers leaded light point 5 of transferring, further optimized the light extraction efficiency and the leaded light uniformity of LGP.
Leaded light point of the present invention can be different shapes such as circle, ellipse, pyramid, triangular heap type, and it can adopt high reflectance ink silk-screen or laser ablation or injection mo(u)lding to form.In this specific embodiment, leaded light point is for circular.Please in the lump referring to Fig. 3, in this specific embodiment, said adjacent three leaded light points 821, leaded light point 822 and leaded light point 823 are triangular arranged.In this specific embodiment, preferred light guide plate main body is square.
The present invention can obtain the leaded light site of LGP through the computer simulation technique leaded light site design rule specific according to the present invention.Compare according to experiment and obtain the leaded light site; Lead time obviously shortens; And can optimize the design of leaded light site; Improve the light extraction efficiency and the light-emitting uniformity of leaded light site, the brightness uniformity of LED lamp light-emitting area and the light extraction efficiency of LGP all can be accomplished the best easily, thereby make the LED light fixture that utilizes LGP of the present invention to make that more energy-conservation, high light-emitting area luminance uniformity arranged, hang down dazzle, advantage such as structure is attractive in appearance, simple for assembly process.
LGP of the present invention can be applicable to the LED lamp; Side at LGP of the present invention is provided with LED, in the bottom surface of LGP reflector plate is set, to reflect the light that LED sends; End face at LGP is provided with diffuser plate, makes through the light of LGP further evenly to disperse.Preferred LED is set in qually spaced in four sides of LGP, to reduce the light path of advancing of light in the LGP.Light guide plate mesh point filling rate through using optimal design distributes, thus the purpose of the high light-emitting efficiency of the luminous surface brightness uniformity of realization LED lamp and LGP.
In order to cooperate modern Based Intelligent Control demand; Can be in the corner of LED lamp built-in or external photodetector, infrared sensor, sound transducer etc.; With information such as detecting ambient light illumination, personal informations; Regulate the power of LED lamp again by Based Intelligent Control end continuity or discontinuity, and then change ambient light illumination, accomplish energy savings.LED can select suitable colour rendering index, suitable go out light energy and suitable colour temperature according to actual conditions.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. LGP; Comprise a light guide plate main body and be arranged on the leaded light site on the said light guide plate main body; Said leaded light site is made up of some leaded light points, it is characterized in that: the filling rate of said leaded light point smoothly reduces by the center of light guide plate main body is past all around successively.
2. LGP according to claim 1; It is characterized in that: said light guide plate main body is square; Said leaded light site comprises the first turnover leaded light point, the second turnover leaded light point that is positioned at said light guide plate main body center that are positioned at four jiaos of said light guide plate main bodies, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 3rd turnover leaded light point of this perpendicular bisector 1/6 length, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 4th turnover leaded light point of this perpendicular bisector 1/3 length, be positioned at said light guide plate main body 4 paracentral the 5th turnover leaded light points and be positioned on the said light guide plate main body diagonal and the said light guide plate main body of distance center is the 6th turnover leaded light point of this diagonal 1/4 length, and the filling rate that the said second turnover leaded light point, the 3rd turnover leaded light point, the 6th turnover leaded light point, the 4th turnover leaded light point, the first turnover leaded light point, the 5th are transferred leaded light point reduces successively.
3. LGP according to claim 2 is characterized in that: said adjacent three leaded light points are triangular arranged.
4. LGP according to claim 2 is characterized in that: said light guide plate main body is square.
5. LED lamp with LGP; Comprise LGP and the LED that places said LGP side; Said LGP comprises a light guide plate main body and is arranged on the leaded light site on the said light guide plate main body; Said leaded light site is made up of some leaded light points, it is characterized in that: the filling rate of said leaded light point smoothly reduces by the center of light guide plate main body is past all around successively.
6. the LED lamp with LGP according to claim 5; It is characterized in that: said light guide plate main body is square; Said leaded light site comprises the first turnover leaded light point, the second turnover leaded light point that is positioned at said light guide plate main body center that are positioned at four jiaos of said light guide plate main bodies, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 3rd turnover leaded light point of this perpendicular bisector 1/6 length, be positioned on the light guide plate main body opposite side perpendicular bisector and the said light guide plate main body of distance center for the 4th turnover leaded light point of this perpendicular bisector 1/3 length, be positioned at said light guide plate main body 4 paracentral the 5th turnover leaded light points and be positioned on the said light guide plate main body diagonal and the said light guide plate main body of distance center is the 6th turnover leaded light point of this diagonal 1/4 length, and the filling rate that the said second turnover leaded light point, the 3rd turnover leaded light point, the 6th turnover leaded light point, the 4th turnover leaded light point, the first turnover leaded light point, the 5th are transferred leaded light point reduces successively.
7. the LED lamp with LGP according to claim 6 is characterized in that: said adjacent three leaded light points are triangular arranged.
8. the LED lamp with LGP according to claim 6 is characterized in that: said light guide plate main body is square.
9. the LED lamp with LGP according to claim 5 is characterized in that: equidistant four sides that are arranged at said LGP of said LED.
10. the LED lamp with LGP according to claim 5, it is characterized in that: the bottom surface of said LGP is provided with reflector plate, and the end face of said LGP is provided with diffuser plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100234744A CN102606982A (en) | 2011-01-21 | 2011-01-21 | Light guide plate and LED lamp with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100234744A CN102606982A (en) | 2011-01-21 | 2011-01-21 | Light guide plate and LED lamp with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102606982A true CN102606982A (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100234744A Pending CN102606982A (en) | 2011-01-21 | 2011-01-21 | Light guide plate and LED lamp with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102606982A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866454A (en) * | 2012-09-24 | 2013-01-09 | 深圳市汇晨电子有限公司 | Integrated light guide plate with light diffusion function |
| CN108302368A (en) * | 2016-09-28 | 2018-07-20 | 纳米及先进材料研发院有限公司 | Plant growth lamp |
| CN109491006A (en) * | 2018-12-05 | 2019-03-19 | 苏州佳世达电通有限公司 | Backlight module |
| US10667467B2 (en) | 2018-01-24 | 2020-06-02 | Nano And Advanced Materials Institute Limited | Light control device for stimulating plant growth and method thereof |
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| CN1159601A (en) * | 1994-12-16 | 1997-09-17 | 佳能株式会社 | Illumination device and liquid crystal display device including the illumination device |
| CN2588387Y (en) * | 2002-12-13 | 2003-11-26 | 鸿富锦精密工业（深圳）有限公司 | Light conducting board and plane illumination device |
| CN1790122A (en) * | 2004-12-17 | 2006-06-21 | 鸿富锦精密工业（深圳）有限公司 | Light guide plate |
| KR100817838B1 (en) * | 2006-08-24 | 2008-03-31 | 희성전자 주식회사 | Light guide plate structure of side type backlight device |
| CN201548783U (en) * | 2009-10-27 | 2010-08-11 | 彩虹集团公司 | Screen dot structure of liquid crystal television light conducting plate |
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2011
- 2011-01-21 CN CN2011100234744A patent/CN102606982A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159601A (en) * | 1994-12-16 | 1997-09-17 | 佳能株式会社 | Illumination device and liquid crystal display device including the illumination device |
| CN2588387Y (en) * | 2002-12-13 | 2003-11-26 | 鸿富锦精密工业（深圳）有限公司 | Light conducting board and plane illumination device |
| CN1790122A (en) * | 2004-12-17 | 2006-06-21 | 鸿富锦精密工业（深圳）有限公司 | Light guide plate |
| KR100817838B1 (en) * | 2006-08-24 | 2008-03-31 | 희성전자 주식회사 | Light guide plate structure of side type backlight device |
| CN201548783U (en) * | 2009-10-27 | 2010-08-11 | 彩虹集团公司 | Screen dot structure of liquid crystal television light conducting plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866454A (en) * | 2012-09-24 | 2013-01-09 | 深圳市汇晨电子有限公司 | Integrated light guide plate with light diffusion function |
| CN108302368A (en) * | 2016-09-28 | 2018-07-20 | 纳米及先进材料研发院有限公司 | Plant growth lamp |
| CN108302368B (en) * | 2016-09-28 | 2019-11-15 | 纳米及先进材料研发院有限公司 | Plant growth lamp |
| US10667467B2 (en) | 2018-01-24 | 2020-06-02 | Nano And Advanced Materials Institute Limited | Light control device for stimulating plant growth and method thereof |
| CN109491006A (en) * | 2018-12-05 | 2019-03-19 | 苏州佳世达电通有限公司 | Backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120725 Assignee: Shenzhen Konka Video System Engineering Co., Ltd. Assignor: Konka Group Co., Ltd. Contract record no.: 2012440020426 Denomination of invention: Light guide plate and LED lamp with same License type: Exclusive License Record date: 20121226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120725 |