CN102855826B - Light mixing distance experimental device - Google Patents
Light mixing distance experimental device Download PDFInfo
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- CN102855826B CN102855826B CN201210350335.7A CN201210350335A CN102855826B CN 102855826 B CN102855826 B CN 102855826B CN 201210350335 A CN201210350335 A CN 201210350335A CN 102855826 B CN102855826 B CN 102855826B
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- holding tank
- light mixing
- mixing distance
- experimental provision
- film material
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Abstract
The invention relates to a light mixing distance experimental device which is used for experimenting and determining the light mixing distance of a bottom lighting type backlight module. The light mixing distance experimental device comprises a fixing device, a bearing device and an adjusting device, wherein the fixing device is used for fixing a membrane of the bottom lighting type backlight module; the bearing device is used for bearing a light source of the bottom lighting type backlight module; and the adjusting device acts on the bearing device and is used for adjusting the distance between the bearing device and the membrane. The light mixing distance experimental device can be fittingly used with membranes of different manufacturers and different models, and using the light mixing distance experimental device avoids complex procedures of mounting and demounting a wrench and fixing auxiliary materials. Using the light mixing distance experimental device avoids outage during experiment, real-time adjustment and real-time luminous efficiency reflection are realized, testing and testing data accumulation are facilitated, and the variation relation between the light mixing distance and a membrane collocation scheme can be truly reflected.
Description
Technical field
The present invention relates to backlight technology field, particularly relate to a kind of light mixing distance experimental provision, for testing and the light mixing distance of definite down straight aphototropism mode set.
Background technology
At present, existing LED televisor has side entering type and two kinds of settling modes backlight of straight-down negative.The obvious deficiency of straight-down negative contrast side entering type is exactly that outward appearance is thicker, and its complete machine is more obvious by comparison.The advantage of straight-down negative LED televisor in picture regulation and control is larger, and also has superiority on cost, once have breakthrough on its thickness, the complete machine of straight-down negative can dominate the market comprehensively cheaply.The key that reduces the thickness of straight-down negative LED is to reduce light mixing distance, under the prerequisite that ensures display quality, reduces light source to the distance between film material.In R&D process, need to be under different light mixing distance, the film material of test different manufacturers, different model is to verify effect and the evaluation of different backlight schemes.Conventionally take different film materials to be mounted on different back panel of backlights, then add electrical testing, test step is loaded down with trivial details, and efficiency is lower.
Summary of the invention
The object of this invention is to provide a kind of light mixing distance experimental provision that can complete very easily the test of down straight aphototropism mode set light mixing distance.
Light mixing distance experimental provision of the present invention, for adjusting the light mixing distance of backlight module, thereby experiment definite backlight module go out light effect and evaluation, described light mixing distance experimental provision comprises:
Be used for the stationary installation of the film material of fixing described down straight aphototropism mode set;
For the bearing device of the light source of down straight aphototropism mode set described in support;
Act on the regulating device on described bearing device, for regulating the distance between described bearing device and described film material.
Light mixing distance experimental provision of the present invention, wherein, described light mixing distance experimental provision comprises backboard, on described backboard, be provided with holding tank, described bearing device is arranged at the inside of described holding tank, described stationary installation is around the opening of described holding tank, so that the fixing film material of described stationary installation covers the opening of described holding tank.
Light mixing distance experimental provision of the present invention, wherein, described stationary installation is the framework around the opening of described holding tank, and described framework comprises the groove extending to the outside of described holding tank, described groove is for coordinating with the side of described film material, so that described film material is fixed.
Light mixing distance experimental provision of the present invention, wherein, described bearing device is lifting supporting plate, described regulating device is the bolt that ecto-entad passes the diapire of described holding tank, one end of described bolt puts in the inside of described holding tank and supports described lifting supporting plate, in order to regulate the distance between described bearing device and described film material by the built-in length that regulates described bolt to stretch into the inside of described holding tank.
Light mixing distance experimental provision of the present invention, wherein, described bolt is multiple, multiple described bolts are uniformly distributed on the diapire of described holding tank.
Light mixing distance experimental provision of the present invention, wherein, on the diapire of described holding tank, be vertically connected with the guidepost extending to the opening of described holding tank, described guidepost is through described lifting supporting plate, described lifting supporting plate is led in the time that described lifting supporting plate moves up and down.
Light mixing distance experimental provision of the present invention, wherein, the cylinder that described guidepost comprises columned body and surrounded by described body, described body is vertically connected on the diapire of described holding tank and through described lifting supporting plate, and described cylinder stretches in the center pit of described body.
Light mixing distance experimental provision of the present invention, wherein, on the diapire of described holding tank, be vertically connected with the support column extending to the opening of described holding tank, described support column is through described lifting supporting plate, the upper end of the upper end of described support column and the sidewall of described holding tank is at sustained height, in order to support described film material.
Light mixing distance experimental provision of the present invention, wherein, described stationary installation is the framework around the opening of described holding tank, described framework comprises the groove extending to the outside of described holding tank, described groove is for coordinating with the side of described film material, so that described film material is fixed, the inside of described holding tank is provided with the reflector of the light for reflect described light source transmitting to described film material, one end of described reflector is fixedly connected on described lifting supporting plate, and the other end of described reflector movably stretches into the inside of described groove.
Light mixing distance experimental provision of the present invention, wherein, described reflector has four, and four described reflectors are arranged at respectively on the four sides sidewall of described holding tank.
The light mixing distance experimental provision of the embodiment of the present invention can coordinate the film material of different manufacturers, different model, compare traditional test method of utilizing palm, utilize the light mixing distance experimental provision of the embodiment of the present invention to avoid all wanting opponent to pull in the time of each confirmatory experiment scheme to carry out the loaded down with trivial details operation of dismounting fixing auxiliary material; And utilize the light mixing distance experimental provision of the embodiment of the present invention, and in experimentation, without power-off, regulate in real time, reflect in real time light efficiency, be convenient to the accumulation of test and test data, more can truly reflect the variation relation between arranging scheme and the light mixing distance of film material.
Brief description of the drawings
Fig. 1 is the structural representation of light mixing distance experimental provision of the present invention;
Fig. 2 is the enlarged drawing of A structure shown in Fig. 1.
Embodiment
It should be noted that, light mixing distance refers to end reflector plate in down straight aphototropism mode set or the light source distance to film material in down straight aphototropism mode set, as shown in Figures 1 and 2, the upper surface of lifting supporting plate 7 is H2 to the distance of film material 2, and H2 is light mixing distance described in the present invention.
As shown in Figure 1 and Figure 2, the light mixing distance experimental provision of the embodiment of the present invention, for testing and the light mixing distance of definite backlight module, the light mixing distance experimental provision of the embodiment of the present invention comprises:
Be used for the stationary installation of the film material 2 of fixing backlight module;
Be used for the bearing device of the light source 3 of support backlight module;
Act on the regulating device on bearing device, for regulating the distance between bearing device and film material 2.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, light mixing distance experimental provision comprises backboard 4, on backboard 4, be provided with holding tank 5, bearing device is arranged at the inside of holding tank 5, stationary installation is around the opening of holding tank 5, so that the fixing film material 2 of stationary installation covers the opening of holding tank 5.
The light mixing distance experimental provision of the embodiment of the present invention is for testing and the light mixing distance of definite backlight module, in use, by stationary installation, film material 2 is fixed on to the opening part of holding tank 5, light source 3 is placed on bearing device, regulate the distance between bearing device and film material 2 by regulating device, under the condition of thickness of not considering light source 3, the distance between bearing device and film material 2 is exactly the light mixing distance of backlight module.
The light mixing distance experimental provision of the embodiment of the present invention can coordinate the film material of different manufacturers, different model, compare traditional test method of utilizing palm, utilize the light mixing distance experimental provision of the embodiment of the present invention to avoid all wanting opponent to pull in the time of each confirmatory experiment scheme to carry out the loaded down with trivial details operation of dismounting fixing auxiliary material; And utilize the light mixing distance experimental provision of the embodiment of the present invention, and in experimentation, without power-off, regulate in real time, reflect in real time light efficiency, be convenient to the accumulation of test and test data, more can truly reflect the variation relation between arranging scheme and the light mixing distance of film material.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, stationary installation is the framework 6 around the opening of holding tank 5.Framework 6 comprises the groove 13 extending to the outside of holding tank 5.Groove 13 is for coordinating with the side of film material 2, so that film material 2 is fixed.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, bearing device is lifting supporting plate 7, regulating device is the bolt 8 that ecto-entad passes the diapire 51 of holding tank 5, one end of bolt 8 puts in inside the supporting elevation supporting plate 7 of holding tank 5, regulates the distance between bearing device and film material 2 for the built-in length that stretches into the inside of holding tank 5 by adjusting bolt 8.The diapire 51 of holding tank 5 is H1 to the distance of film material 2; The upper surface of lifting supporting plate 7 is H2 to the distance of film material 2; The thickness of lifting supporting plate 7 is H3; Lifting supporting plate 7 is H4 to the distance of the diapire 51 of holding tank 5.H1＝H2+H3+H4。H2 is exactly the light mixing distance of backlight module.At the other end of the outside swivel bolt 8 of holding tank 5, the built-in length that bolt 8 stretches into the inside of holding tank 5 changes, lifting supporting plate 7 lifting thereupon, and the upper surface of lifting supporting plate 7 changes to the distance H 2 of film material 2.According to above-mentioned formula, H2=H1-H3-H4, in the case of the thickness of the length of H1, H3, bolt 8, diapire 51 is all known, the outside length computation that lifting supporting plate 7 can stretch out by measuring bolt 8 holding tank 5 to the distance H 4 of the diapire 51 of holding tank 5 draws, the upper surface of lifting supporting plate 7 also can calculate to the distance H 2 of film material 2 like this, and the light mixing distance of backlight module can obtain very easily thus.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, lifting supporting plate 7 preferably adopts the aluminium sheet of 5 millimeters thick, has so not only ensured intensity but also has taken into account the heat dissipation problem of light source 3 in experimentation.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, bolt 8 is multiple, multiple bolts 8 are uniformly distributed in the diapire 51 of holding tank 5.The light mixing distance experimental provision of the embodiment of the present invention makes the reduction that evenly raises of the lifting supporting plate of support light source 3 by multiple bolts, light mixing distance freely accurately changes, coordinate the film material of different manufacturers and different model to verify the effect of different backlight schemes, solved traditional hand and pulled the problems such as middle light path is inhomogeneous.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, is vertically connected with the guidepost 9 extending to the opening of holding tank 5 on the diapire 51 of holding tank 5.Guidepost 9 is through lifting supporting plate 7, lifting supporting plate 7 is led in the time that lifting supporting plate 7 moves up and down.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, guidepost 9 comprises columned body 91 and the cylinder 92 being surrounded by body 91, and body 91 is vertically connected on the diapire 51 of holding tank 5 and through lifting supporting plate 7, and cylinder 92 stretches in the center pit of body 91.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, is vertically connected with the support column 12 extending to the opening of holding tank 5 on the diapire 51 of holding tank 5.Support column 12 is through lifting supporting plate 7.The upper end of the sidewall 52 of the upper end of support column 12 and holding tank 5 is at sustained height, in order to support membrane material 2.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, the inside of holding tank 6 is provided with the reflector 11 of the light for launching to film material 2 reflection sources 3.One end of reflector 11 is fixedly connected on lifting supporting plate 7, and 11 the other end of reflector movably stretches into the inside of groove 13.In the time that lifting supporting plate 7 moves up and down, 11 the other end of reflector moves by a small margin in the inside of groove 13, is fixedly connected on all the time on lifting supporting plate 7 with the one end that ensures reflector 11.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, 7 one-tenth 35 degree-60 degree angles of reflector 11 and lifting supporting plate.
The light mixing distance experimental provision of the embodiment of the present invention, wherein, reflector 11 has four, and four reflectors 11 are arranged at respectively on the four sides sidewall of holding tank 5.
The light mixing distance experimental provision of the embodiment of the present invention, the cavity outside forming at holding tank 5 and film material 2 due to the adjustable side (being the other end that bolt 8 stretches out holding tank 5) of regulating device, and the integrality of above-mentioned cavity is not also destroyed, so light efficiency free of losses of light source 3, whole experimentation is approximate true, and the collection of experimental data and the determinacy to scheme have very great help.
It should be noted that, it is a kind of preferred embodiment that above-mentioned employing bolt mode regulates, as long as can realize regulating action, certainly can adopt other structures to regulate.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a light mixing distance experimental provision, for testing and the light mixing distance of definite down straight aphototropism mode set, is characterized in that, described light mixing distance experimental provision comprises:
Be used for the stationary installation of the film material of fixing described down straight aphototropism mode set;
For the bearing device of the light source of down straight aphototropism mode set described in support;
Act on the regulating device on described bearing device, for regulating the distance between described bearing device and described film material, described light mixing distance experimental provision comprises backboard, on described backboard, be provided with holding tank, described bearing device is arranged at the inside of described holding tank, described stationary installation is around the opening of described holding tank, so that the fixing film material of described stationary installation covers the opening of described holding tank, described bearing device is lifting supporting plate, described regulating device is the bolt that ecto-entad passes the diapire of described holding tank, one end of described bolt puts in the inside of described holding tank and supports described lifting supporting plate, in order to regulate the distance between described bearing device and described film material by the built-in length that regulates described bolt to stretch into the inside of described holding tank.
2. light mixing distance experimental provision according to claim 1, it is characterized in that, described stationary installation is the framework around the opening of described holding tank, described framework comprises the groove extending to the outside of described holding tank, described groove is for coordinating with the side of described film material, so that described film material is fixed.
3. light mixing distance experimental provision according to claim 1, is characterized in that, described bolt is multiple, and multiple described bolts are uniformly distributed on the diapire of described holding tank.
4. light mixing distance experimental provision according to claim 1, it is characterized in that, on the diapire of described holding tank, be vertically connected with the guidepost extending to the opening of described holding tank, described guidepost is through described lifting supporting plate, described lifting supporting plate is led in the time that described lifting supporting plate moves up and down.
5. light mixing distance experimental provision according to claim 4, it is characterized in that, the cylinder that described guidepost comprises columned body and surrounded by described body, described body is vertically connected on the diapire of described holding tank and through described lifting supporting plate, and described cylinder stretches in the center pit of described body.
6. light mixing distance experimental provision according to claim 1, it is characterized in that, on the diapire of described holding tank, be vertically connected with the support column extending to the opening of described holding tank, described support column is through described lifting supporting plate, the upper end of the upper end of described support column and the sidewall of described holding tank is at sustained height, in order to support described film material.
7. light mixing distance experimental provision according to claim 1, it is characterized in that, described stationary installation is the framework around the opening of described holding tank, described framework comprises the groove extending to the outside of described holding tank, described groove is for coordinating with the side of described film material, so that described film material is fixed, the inside of described holding tank is provided with the reflector of the light for reflect described light source transmitting to described film material, one end of described reflector is fixedly connected on described lifting supporting plate, and the other end of described reflector movably stretches into the inside of described groove.
8. light mixing distance experimental provision according to claim 7, is characterized in that, described reflector has four, and four described reflectors are arranged at respectively on the four sides sidewall of described holding tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350335.7A CN102855826B (en) | 2012-09-19 | 2012-09-19 | Light mixing distance experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350335.7A CN102855826B (en) | 2012-09-19 | 2012-09-19 | Light mixing distance experimental device |
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| Publication Number | Publication Date |
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| CN102855826A CN102855826A (en) | 2013-01-02 |
| CN102855826B true CN102855826B (en) | 2014-11-26 |
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| CN201210350335.7A Expired - Fee Related CN102855826B (en) | 2012-09-19 | 2012-09-19 | Light mixing distance experimental device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI560500B (en) | 2015-03-20 | 2016-12-01 | Au Optronics Corp | Backlight module having brightness enhancement design at periphery of display surface |
| CN205383453U (en) * | 2016-03-10 | 2016-07-13 | 北京京东方显示技术有限公司 | Straight following formula backlight optical simulation device and system |
| TWI657293B (en) | 2016-03-29 | 2019-04-21 | 友達光電股份有限公司 | Backlight module |
| CN110187563B (en) * | 2019-06-27 | 2022-02-18 | 厦门天马微电子有限公司 | Backlight module, display module and display device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040003713A (en) * | 2002-07-03 | 2004-01-13 | 삼성전자주식회사 | Back light assembly and liquid crystal display device using the same |
| KR20070097679A (en) * | 2006-03-28 | 2007-10-05 | 박동홍 | A diode using lighting apparatus using |
| JP2008129200A (en) * | 2006-11-17 | 2008-06-05 | Sharp Corp | Illuminator for display device, display device |
| CN101118345B (en) * | 2007-09-05 | 2010-11-03 | 京东方科技集团股份有限公司 | Clip and directly-down backlight module |
| CN101598868A (en) * | 2008-06-04 | 2009-12-09 | 瀚宇彩晶股份有限公司 | Module backlight |
| CN201416845Y (en) * | 2009-04-24 | 2010-03-03 | 广州市浩洋电子有限公司 | Focusing device of stage lamp |
| CN102200236A (en) * | 2010-03-26 | 2011-09-28 | 上海东熠光电有限公司 | LED (Light Emitting Diode) backlight module device |
| KR101881846B1 (en) * | 2011-05-12 | 2018-07-26 | 삼성디스플레이 주식회사 | Backlight assembly and display apparatus having the same |
| CN102913826B (en) * | 2012-11-13 | 2016-01-27 | 深圳市华星光电技术有限公司 | A kind of backlight module and liquid crystal indicator |
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