CN101922662A - Light-source structure of light-emitting diode - Google Patents
Light-source structure of light-emitting diode Download PDFInfo
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- CN101922662A CN101922662A CN2010102588626A CN201010258862A CN101922662A CN 101922662 A CN101922662 A CN 101922662A CN 2010102588626 A CN2010102588626 A CN 2010102588626A CN 201010258862 A CN201010258862 A CN 201010258862A CN 101922662 A CN101922662 A CN 101922662A
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Abstract
The invention provides a light-source structure of a light-emitting diode, which is suitable for a back light module of a liquid crystal display device. The light-source structure comprises a support bracket, a light bar, and a light guide plate arranged in the support bracket, wherein the light bar is aslant and fixedly arranged ins the support bracket and a plurality of light-emitting diodes are uniformly distributed on the light bar; and the light guide plate has an inclined plane which is parallel with and abuts against the light emitting surface of the light-emitting diode. By utilizing the light-source structure of the light-emitting diode provided by the invention, the light emitting surface of the light-emitting diode is changed from a horizontal type to a slant type, so that nonuniform development or light leak caused by light emitting from gap between the light guide plate and the support bracket.
Description
Technical field
The present invention relates to a kind of light-source structure, relate in particular to the light-emitting diode light source structure in a kind of module backlight that is applicable to liquid crystal indicator.
Background technology
LCD can be seated in light source the side of panel in order to satisfy lightening demand, and present widely used light source is a light emitting diode, and it has energy-saving and environmental protection, life-span length, low consumption, low-heat, high brightness, advantage such as miniature.But what differ from cold cathode ray fluorescent tube is, light emitting diode is a spot light, and therefore, for spot light being become line source and area source, LGP arises at the historic moment.LGP is the acryl sheet material that utilizes optical grade, with having the high reflectivity and the high-tech material of extinction not, stamps the leaded light point in the acryl sheet material bottom surface of optical grade then.The light that utilizes optical grade acryl sheet material to draw to send from lamp is in the stop on optical grade acryl sheet material surface, and when light was mapped to each leaded light point, reverberation can destroy conditioned reflex by the positive ejaculation of LGP then toward all angles diffusion.By various densitys, leaded light point not of uniform size, can make the LGP uniformly light-emitting.
Yet, when carrying out the assembling of module backlight, owing to inaccurate, the LGP in location or the bracing frame flatness is not good, light emitting diode is arranged the problem that exiting surface that reason such as crooked can produce light emitting diode is higher than LGP, it has caused the light of light emitting diode not enter LGP just passing the space between LGP and bracing frame, thereby forms the problem of development inequality or light leak.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of light-emitting diode light source structure, in order to eliminate development inequality and light leakage phenomena.
According to one embodiment of the invention, a kind of light-emitting diode light source structure is proposed, be applicable in the module backlight of liquid crystal indicator, comprise: a bracing frame; One striation is fixedly arranged in the bracing frame obliquely, has equally distributed a plurality of light emitting diode on it; And a LGP, being arranged in the bracing frame, it has an inclined-plane, and the inclined-plane is parallel to the exiting surface of light emitting diode and leans with it.
According to one embodiment of the invention, striation is a banded PCB circuit board.
Preferable, the fixing side of LGP and bracing frame has a plurality of diffusion points.
Preferable, the diffusion point is for circular.
Preferable, the diffusion point is for square.
Use its advantage of light-emitting diode light source structure provided by the invention to be, tilt from the horizontal, thereby avoid light in the space between LGP and the bracing frame, directly to penetrate and generation development inequality or light leakage phenomena by bright dipping with light emitting diode.In addition, owing to adopted inclined design, the exiting surface width of light emitting diode just to need not to be subjected to restriction less than light guide plate, and be obliquely installed the assembling of being convenient to LGP and light emitting diode, reduced requirement to assembly precision and assembler.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Fig. 1 illustrates the light-source structure schematic diagram of existing liquid crystal indicator;
Fig. 2 illustrates the light-source structure schematic diagram according to one embodiment of the invention.
The specific embodiment
Below will and describe clear explaination spirit of the present invention in detail with accompanying drawing, any those of ordinary skill in the art is after understanding preferred embodiment of the present invention, when can be by the disclosed technology of the present invention, change and modification, and do not break away from spirit of the present invention and scope.
Please refer to Fig. 1, it illustrates the light-source structure schematic diagram of existing liquid crystal indicator.The light that LGP 100 is used for light source is injected is evenly dispersed out after refraction and diffusion.Bracing frame 102 is used for fixing LGP 100 and striation 104.The lower surface of LGP 100 is used for fixing, and the space 106 of a level is arranged between its upper surface and the bracing frame 102.Striation 104 is banded PCB circuit boards, keeps at a certain distance away on it and is provided with a plurality of light emitting diodes 108 equably.Striation 104 is fixed in the bracing frame 102 vertically, and the exiting surface of light emitting diode 108 is against the side of LGP 100.Yet owing to inaccurate, the LGP 100 in location in the assembling process or bracing frame 102 surface smoothness are not good or light emitting diode 108 is arranged reasons such as crooked on striation 104, the exiting surface of light emitting diode 108 is a little more than the side of LGP 100.Shown in arrow among Fig. 1, light emitting diode 108 is higher than light that the part of LGP 100 sides sends and just penetrates from the upper surface of LGP 100 and the space 106 between the bracing frame 102, and do not pass through the refraction and the diffusion of LGP 100, thereby produce light leak or develop uneven (Mura) phenomenon.
Then please refer to Fig. 2, it illustrates the light-source structure schematic diagram according to one embodiment of the invention.Light-source structure comprises LGP 100, striation 104 and bracing frame 102.The light that LGP 100 is used for light source is injected is evenly dispersed out after refraction and diffusion.The lower surface of LGP 100 is used for fixing, and the space 106 of a level is arranged between its upper surface and the bracing frame 102.LGP 100 is inclined-plane 200 towards a side of bracing frame 102.Striation 104 is banded PCB circuit boards, keeps at a certain distance away on striation 104 and is provided with a plurality of light emitting diodes 108 equably.Striation 104 is fixed in the bracing frame 102 obliquely, and the light emitting diode 108 that therefore is arranged on the striation 104 also tilts thereupon, and its exiting surface is by vertically becoming inclination, and its bright dipping also becomes from horizontal bright dipping and is tilted to down bright dipping, shown in arrow among Fig. 2.Inclined-plane 200 parallel with the exiting surface of light emitting diode 108 and with its against, therefore the light of light emitting diode 108 emissions down penetrates from its light-emitting area inclination, enter and reflect in the inclined-plane 200 of LGP 100 and spread, cause light leak or develop inequality (Mura) phenomenon thereby avoided directly from the upper surface of LGP 100 and the space 106 between the bracing frame 102, penetrating.
Preferable, have a plurality of square or circular diffusion points 202 at LGP 100 and bracing frame 102 fixing lower surfaces, its be usefulness have high reflectance and not the material of extinction print with the mode of screen painting at the lower surface of LGP 100 and form.When light was mapped to diffusion point 202, reverberation can be toward all angles diffusion, destroy conditioned reflex then and penetrate from the upper surface of LGP 100, utilized various densitys, diffusion point 202 not of uniform size, can make LGP 100 uniformly light-emittings.
Use the invention has the advantages that, tilts from the horizontal by the bright dipping with light emitting diode, thereby avoids light directly to penetrate and generation development inequality or light leakage phenomena in the space between LGP and the bracing frame.In addition, owing to adopted inclined design, the exiting surface width of light emitting diode just to need not to be subjected to restriction less than light guide plate, and be obliquely installed the assembling of being convenient to LGP and light emitting diode, reduced requirement to assembly precision and assembler.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; any those of ordinary skill in the art; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (5)
1. a light-emitting diode light source structure is applicable in the module backlight of liquid crystal indicator, and it is characterized in that, described light-source structure comprises at least:
One bracing frame;
One striation is fixedly arranged in the support frame as described above obliquely, has equally distributed a plurality of light emitting diode on it; And
One LGP is arranged in the support frame as described above, and it has an inclined-plane, and described inclined-plane is parallel to the exiting surface of described light emitting diode and leans with it.
2. light-emitting diode light source structure according to claim 1 is characterized in that, described striation is a banded PCB circuit board.
3. light-emitting diode light source structure according to claim 1 is characterized in that, the fixing side of described LGP and support frame as described above has a plurality of diffusion points.
4. light-emitting diode light source structure according to claim 3 is characterized in that, described diffusion point is for circular.
5. light-emitting diode light source structure according to claim 3 is characterized in that, described diffusion point is for square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102588626A CN101922662A (en) | 2010-08-18 | 2010-08-18 | Light-source structure of light-emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102588626A CN101922662A (en) | 2010-08-18 | 2010-08-18 | Light-source structure of light-emitting diode |
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| Publication Number | Publication Date |
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| CN101922662A true CN101922662A (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102588626A Pending CN101922662A (en) | 2010-08-18 | 2010-08-18 | Light-source structure of light-emitting diode |
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| CN (1) | CN101922662A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691933A (en) * | 2012-05-11 | 2012-09-26 | 深圳市华星光电技术有限公司 | Backlight module and liquid display device thereof |
| CN104534307A (en) * | 2014-12-04 | 2015-04-22 | 江门市侨都和诚照明有限公司 | LED panel lamp with high luminous efficiency |
| CN104896366A (en) * | 2015-05-05 | 2015-09-09 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
| CN105042388A (en) * | 2015-09-10 | 2015-11-11 | 福建鸿博光电科技有限公司 | Panel lamp and light-emitting method thereof |
| CN105044980A (en) * | 2015-08-07 | 2015-11-11 | 创维液晶器件(深圳)有限公司 | Light leakage preventing backlight module and liquid crystal display device |
| TWI513943B (en) * | 2012-11-22 | 2015-12-21 | Lextar Electronics Corp | Lighting device |
| CN105549147A (en) * | 2016-02-22 | 2016-05-04 | 京东方科技集团股份有限公司 | Backlight module and preparing method and display device thereof |
| WO2018113001A1 (en) * | 2016-12-23 | 2018-06-28 | 武汉华星光电技术有限公司 | Light guide plate and liquid crystal module |
| CN108627906A (en) * | 2017-03-17 | 2018-10-09 | 致伸科技股份有限公司 | Backing structure |
| CN114624810A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Backlight unit light source inclined touch screen |
| CN114624811A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
-
2010
- 2010-08-18 CN CN2010102588626A patent/CN101922662A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166759A1 (en) * | 2012-05-11 | 2013-11-14 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device thereof |
| CN102691933B (en) * | 2012-05-11 | 2015-10-21 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal indicator thereof |
| CN102691933A (en) * | 2012-05-11 | 2012-09-26 | 深圳市华星光电技术有限公司 | Backlight module and liquid display device thereof |
| TWI513943B (en) * | 2012-11-22 | 2015-12-21 | Lextar Electronics Corp | Lighting device |
| CN104534307A (en) * | 2014-12-04 | 2015-04-22 | 江门市侨都和诚照明有限公司 | LED panel lamp with high luminous efficiency |
| CN104896366A (en) * | 2015-05-05 | 2015-09-09 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
| CN104896366B (en) * | 2015-05-05 | 2017-11-17 | 京东方科技集团股份有限公司 | A kind of backlight module, display module and display device |
| CN105044980B (en) * | 2015-08-07 | 2018-03-20 | 创维液晶器件(深圳)有限公司 | A kind of light leakage backlight module and liquid crystal display device |
| CN105044980A (en) * | 2015-08-07 | 2015-11-11 | 创维液晶器件(深圳)有限公司 | Light leakage preventing backlight module and liquid crystal display device |
| CN105042388A (en) * | 2015-09-10 | 2015-11-11 | 福建鸿博光电科技有限公司 | Panel lamp and light-emitting method thereof |
| CN105549147A (en) * | 2016-02-22 | 2016-05-04 | 京东方科技集团股份有限公司 | Backlight module and preparing method and display device thereof |
| WO2018113001A1 (en) * | 2016-12-23 | 2018-06-28 | 武汉华星光电技术有限公司 | Light guide plate and liquid crystal module |
| CN108627906A (en) * | 2017-03-17 | 2018-10-09 | 致伸科技股份有限公司 | Backing structure |
| CN114624810A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Backlight unit light source inclined touch screen |
| CN114624811A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
| CN114624811B (en) * | 2022-05-17 | 2022-08-16 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
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Application publication date: 20101222 |