CN103322435A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN103322435A CN103322435A CN2012100770106A CN201210077010A CN103322435A CN 103322435 A CN103322435 A CN 103322435A CN 2012100770106 A CN2012100770106 A CN 2012100770106A CN 201210077010 A CN201210077010 A CN 201210077010A CN 103322435 A CN103322435 A CN 103322435A
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Abstract
The invention provides a lighting device. The lighting device comprises light sources, a light guide plate, a light reflect plate and an outer frame and is characterized in that a UV (Ultra Violet) ink-jet printer jets UV ink drops onto a transparent baseplate and the ink drops are solidified by an UV lamp to obtain the diffusion network points on the light guide plate. The manufacturing method of the light guide plate comprises the following steps: providing the transparent baseplate; generating a unicolor gradient image through a gradient tool; printing the unicolor gradient image onto the transparent baseplate; solidifying the printed image onto the transparent baseplate through the UV lamp. The lighting device provided by the invention comprises a plurality of LED light sources, the light guide plate and the outer frame at the periphery and has the advantages of energy conservation, high uniformity of luminance and long service life; one damaged LED lamp does not affect the use of the whole lighting device; besides, the diffusion network points on the light guide plate of the lighting device provided by the invention are formed once by ink-jet printing; the ink-jet printing has the advantages that the printing speed is high; the forming is simple; the cost is low; the ink-jet printing can be applicable to the printing of the light guide plates of various lighting devices of different shapes and sizes.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of lighting device that contains the ink jet type LGP.
Background technology
Lighting device take the LED lamp as light source is used widely at present.Owing to directly adopting the LED spot light to exist luminosity inhomogeneous as the direct projection light source, be easy to produce dazzle, single lamp shortcomings such as impact on the overall lamp light effect is large that lost efficacy.Prior art adopts the LED lamp to make the LED panel light as light source, and the light that sends from the LED lamp penetrates through LGP, makes light more even, and single LED lamp damages the illumination effect that does not substantially affect integral body.
The preparation method of LGP mainly contains non-printing-type, screen printing is brush and three kinds of ink jet types, and non-printing-type is to adopt mould straight forming or compressing leaded light lines, and perhaps direct engraving forms the leaded light lines, and it is time-consuming that this method is made trouble, and cost is high.Screen printing is brush be by printing-ink to a surface of LGP, form folding, reflector element, each folding, reflector element are array-like on the whole; According to the relative position relation of LGP and backlight incident light source, in the nearer zone of distance incident light source, the array of folding, reflector element is more sparse, then denser on the contrary.And then by printing-ink to light absorption after again through folding, the reflection mode carries out to external diffusion, makes LGP reach luminous uniform effect.Shortcoming is the half tone that needs to make separately a plurality of sizes.Ink jet type refers to utilize ink-jet printer to spray and is cured to obtain the method for LGP at transparency carrier formation scattering point with the UV lamp after UV white or colored ink form regular ink droplet to the transparency carrier, general large in the ink drop size away from light source, ink droplet is intensive, little in the ink drop size near light source, ink droplet is sparse.
As shown in Figure 1, adopt ink-jet method in the Chinese patent 200980123851.2, be installed on the shower nozzle injection white ink 2 of printing on the dolly 1 and to transparency carrier 3, solidify to form scattering salient point 21 through solidification equipment 4 again, the method can be controlled the droplet size that is ejected into the white ink on the transparency carrier accurately, high flexible for the image that will form, can be easy to change the image that will form, but therefore high flexibility ground forms dot pattern, can adapt to the making of multiple different size LGP.
The ink jet type method for manufacturing light guide plate of prior art is to design first a print image consistent with network point distribution on the LGP to be printed, and the ink-jet printer control system is printed on print image the site that forms on the LGP on the LGP.Because along with the data volume of the increase print image of LGP size also increases, therefore adopt this method when making large-sized LGP, performance requirement to the printer image processor is very high, adopt normal printer to deal with its print speed very slow, when larger size even situation about crashing occurs.
Summary of the invention
For the problem that prior art exists, the object of the invention is to propose a kind of easy to make and be with fast the LGP lighting device.
For achieving the above object, the present invention proposes a kind of lighting device and comprises light source, LGP, reflector and frame, it is characterized in that, described LGP comprises transparency carrier and diffusion site, and described diffusion site solidify to form at transparency carrier injection ink droplet and through the UV lamp by ink-jet printer.
In the above-mentioned lighting device, described ink droplet is white ink ink droplet or colored ink ink droplet.
In the above-mentioned lighting device, described light source is line source, such as incandescent lamp; Or light source is spot light, such as the LED lamp.
The present invention proposes a kind of lighting device and comprises light source, LGP, reflector and frame, it is characterized in that, the formation method of described LGP comprises:
One transparency carrier is provided, is used for receiving the ink droplet that sprays from inkjet-printing device;
Generate a monochromatic gradual change image by Gradient Tool;
With monochromatic gradual change image printing on transparency carrier;
Solidify the ink droplet that is injected on the transparency carrier by the UV lamp.
In the above-mentioned lighting device, the formation method of described LGP also is included in prints the front parameter value that dot shape, angle of halftone screen line and netting twine precision are set of monochromatic gradual change image in print software;
In the above-mentioned lighting device, described monochromatic gradual change image is directed in the print software after being generated by the Gradient Tool in the image processing software again.
In the above-mentioned lighting device, described monochromatic gradual change image is directly generated by the Gradient Tool in the print software and obtains.
In the above-mentioned lighting device, the gradual change value of described monochromatic gradual change image is from counting to less than changing between 100% the number greater than 0% one.
In the above-mentioned lighting device, the in the same size of the size of described monochromatic gradual change image and LGP size to be printed.
In the above-mentioned lighting device, described monochromatic gradual change image is linear gradient.
In the above-mentioned lighting device, described monochromatic gradual change image is circular gradual change.
In the above-mentioned lighting device, described diffusion site is shaped as circle, square and rhombus.
With respect to prior art, lighting device of the present invention has following advantage:
1, do not need to reduce the print data amount according to the corresponding print image of diffusion net-pont design on the LGP, employing onepass ink-jet once forms the diffusion site on the LGP, significantly improves print speed.
2, by a plurality of gradual change values are set, guarantee that the distribution of diffusion site is consistent with the distributivity of backlight module light, make light more even after out from LGP.
Description of drawings
Fig. 1 is the flow chart that the available technology adopting ink-jet method is made LGP;
Fig. 2 is the top view of the LGP of prior art;
Fig. 3 is the monochromatic linear gradient schematic diagram among the present invention;
Fig. 4 is the monochromatic curve gradual change schematic diagram among the present invention;
Fig. 5 is the flow chart that the employing ink-jet method among the present invention is made LGP.
The specific embodiment
Lighting device of the present invention comprises light source, LGP, reflector and frame, as shown in Figure 2, LGP of the present invention comprises a transparency carrier 01 and a plurality of diffusions site 011, wherein spreads site 011 and sprays white ink ink droplet or colored ink ink droplet and solidify to form through the UV lamp at transparency carrier 01 by ink-jet printer.
As shown in Figure 5, the preparation method of LGP comprises step 001 in the lighting device of the present invention) transparency carrier is provided; Be used for receiving the ink droplet that from the shower nozzle of inkjet-printing device, ejects; Step 002) by the of the same size monochromatic gradual change image of Gradient Tool generation one size with LGP size to be printed; Step 003) monochromatic gradual change image is directed in the print software; Step 004) parameter value of dot shape, angle of halftone screen line and netting twine precision is set in print software; Step 005) with monochromatic gradual change image printing on transparency carrier; Step 006) adopt UV lamp solidification equipment that print image is solidificated on the transparency carrier.
Step 004) adopts halftone processing mode angel screen commonly used among the present invention, in angel screen, can spread dot shape and be set to circular or square or rhombus.Angle of halftone screen line can be set to 15 ° or 30 ° or 45 ° or 75 ° etc., also can be arranged to according to actual needs arbitrarily angled.The netting twine accuracy value also can arrange arbitrarily as required.
Step 005) the present invention can realize that control is printed on the depth degree of the diffusion site on the transparency carrier by the control print resolution in when printing monochromatic gradual change image.
It is to be noted and any distortion of doing according to the specific embodiment of the present invention all do not break away from the scope that spirit of the present invention and claim are put down in writing.
1. lighting device, comprise light source, LGP, reflector and frame, it is characterized in that, described LGP comprises transparency carrier and diffusion site, and described diffusion site obtains at transparency carrier injection ink droplet and through the curing of UV lamp by inkjet-printing device.
2. lighting device as claimed in claim 1 is characterized in that, described ink droplet is white ink ink droplet or colored ink ink droplet.
3. lighting device as claimed in claim 1 is characterized in that, described light source is line source or spot light.
4. a lighting device comprises light source, LGP, reflector and frame, it is characterized in that, the formation method of described LGP comprises:
One transparency carrier is provided;
Generate a monochromatic gradual change image by Gradient Tool;
With monochromatic gradual change image printing on transparency carrier;
By the UV lamp print image is solidificated on the transparency carrier.
5. lighting device as claimed in claim 4 is characterized in that, the formation method of described LGP also is included in prints the front parameter value that dot shape, angle of halftone screen line and netting twine precision are set of monochromatic gradual change image in print software;
6. lighting device as claimed in claim 4 is characterized in that, described monochromatic gradual change image imports in the print software after being made by the Gradient Tool of image processing software again.
7. lighting device as claimed in claim 4 is characterized in that, described monochromatic gradual change image is directly generated by the Gradient Tool in the print software.
8. lighting device as claimed in claim 4 is characterized in that, the gradual change value of described monochromatic gradual change image is from counting to less than changing between 100% the number greater than 0% one.
9. lighting device as claimed in claim 4 is characterized in that, the in the same size of the size of described monochromatic gradual change image and LGP size to be printed.
10. lighting device as claimed in claim 4 is characterized in that, described monochromatic gradual change image is linear gradient or curve gradual change or circular gradual change.
11. lighting device as claimed in claim 9 is characterized in that, when monochromatic gradual change image was the curve gradual change, described monochromatic gradual change image comprised at least three gradual change values.
12. lighting device as claimed in claim 4 is characterized in that, described diffusion site is shaped as circle, square or rhombus.
Claims (10)
1. a lighting device comprises light source, LGP, reflector and frame, it is characterized in that, described LGP comprises transparency carrier and diffusion site, and described diffusion site obtains at transparency carrier injection ink droplet and through the curing of UV lamp by inkjet-printing device.
2. lighting device as claimed in claim 1 is characterized in that, described ink droplet is white ink ink droplet or colored ink ink droplet.
3. lighting device as claimed in claim 1 is characterized in that, described light source is line source or spot light.
4. a lighting device comprises light source, LGP, reflector and frame, it is characterized in that, the formation method of described LGP comprises:
One transparency carrier is provided;
Generate a monochromatic gradual change image by Gradient Tool;
With monochromatic gradual change image printing on transparency carrier;
By the UV lamp print image is solidificated on the transparency carrier.
5. lighting device as claimed in claim 4 is characterized in that, the formation method of described LGP also is included in prints the front parameter value that dot shape, angle of halftone screen line and netting twine precision are set of monochromatic gradual change image in print software.
6. lighting device as claimed in claim 4 is characterized in that, described monochromatic gradual change image imports in the print software after being made by the Gradient Tool of image processing software again.
7. lighting device as claimed in claim 4 is characterized in that, described monochromatic gradual change image is directly generated by the Gradient Tool in the print software.
8. lighting device as claimed in claim 4 is characterized in that, the gradual change value of described monochromatic gradual change image is from counting to less than changing between 100% the number greater than 0% one.
9. lighting device as claimed in claim 4 is characterized in that, the in the same size of the size of described monochromatic gradual change image and LGP size to be printed.
10. lighting device as claimed in claim 4 is characterized in that, described monochromatic gradual change image is linear gradient or curve gradual change or circular gradual change, and when monochromatic gradual change image was the curve gradual change, described monochromatic gradual change image comprised at least three gradual change values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100770106A CN103322435A (en) | 2012-03-22 | 2012-03-22 | Lighting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100770106A CN103322435A (en) | 2012-03-22 | 2012-03-22 | Lighting device |
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| CN103322435A true CN103322435A (en) | 2013-09-25 |
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| CN2012100770106A Pending CN103322435A (en) | 2012-03-22 | 2012-03-22 | Lighting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512104A (en) * | 2013-09-26 | 2015-04-15 | 鸿富锦精密工业（深圳）有限公司 | Light guide plate network point manufacturing apparatus and light guide plate network point manufacturing method |
| CN104698527A (en) * | 2015-01-26 | 2015-06-10 | 深圳市天诺通光电科技有限公司 | Method for preparing microarray patterns on PMMA (polymethyl methacrylate) light guide plate |
| CN107667311A (en) * | 2015-05-28 | 2018-02-06 | 扈承颢 | The preparation method of fusion type light guide plate |
| CN108775540A (en) * | 2018-08-13 | 2018-11-09 | 广州达森灯光股份有限公司 | A kind of water wave lamp with cutting and color linear adjustable function |
| CN110181961A (en) * | 2019-06-05 | 2019-08-30 | 深圳金谷田科技有限公司 | A kind of gradient color nanometer InkJet printing processes |
| CN110204219A (en) * | 2019-06-28 | 2019-09-06 | 凯茂科技(深圳)有限公司 | A kind of gradient color glass and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512104A (en) * | 2013-09-26 | 2015-04-15 | 鸿富锦精密工业（深圳）有限公司 | Light guide plate network point manufacturing apparatus and light guide plate network point manufacturing method |
| CN104698527A (en) * | 2015-01-26 | 2015-06-10 | 深圳市天诺通光电科技有限公司 | Method for preparing microarray patterns on PMMA (polymethyl methacrylate) light guide plate |
| CN104698527B (en) * | 2015-01-26 | 2018-01-26 | 深圳市天诺通光电科技有限公司 | A kind of method that microarray pattern is prepared on PMMA light guide plates |
| CN107667311A (en) * | 2015-05-28 | 2018-02-06 | 扈承颢 | The preparation method of fusion type light guide plate |
| CN108775540A (en) * | 2018-08-13 | 2018-11-09 | 广州达森灯光股份有限公司 | A kind of water wave lamp with cutting and color linear adjustable function |
| CN110181961A (en) * | 2019-06-05 | 2019-08-30 | 深圳金谷田科技有限公司 | A kind of gradient color nanometer InkJet printing processes |
| CN110204219A (en) * | 2019-06-28 | 2019-09-06 | 凯茂科技(深圳)有限公司 | A kind of gradient color glass and preparation method thereof |
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Application publication date: 20130925 |