CN203933778U - The anti-dazzle lighting device of a kind of LED for electronic viewing aid - Google Patents
The anti-dazzle lighting device of a kind of LED for electronic viewing aid Download PDFInfo
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- CN203933778U CN203933778U CN201420356972.XU CN201420356972U CN203933778U CN 203933778 U CN203933778 U CN 203933778U CN 201420356972 U CN201420356972 U CN 201420356972U CN 203933778 U CN203933778 U CN 203933778U
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- light diffusing
- led lamp
- diffusing sheet
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- 238000012545 processing Methods 0.000 claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims abstract description 18
- 238000005286 illumination Methods 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 238000011049 filling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 208000035824 paresthesia Diseases 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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Abstract
The utility model discloses the anti-dazzle lighting device of a kind of LED for electronic viewing aid, comprise microspur image-forming module, image processing module and image display, wherein, described microspur image-forming module, be used for the image input picture processing module collecting, comprise camera and light diffusion unit, light diffusion unit comprises LED lamp group and light diffusing sheet; Described image processing module, comprises electronic viewing aid graphics processing unit and anti-dazzle unit, the image of microspur image-forming module collection is analyzed and is processed, and by FEEDBACK CONTROL path, described smooth diffusion unit is adjusted; Described image display, for carrying out output display by the image through image processing module analysis and after processing.
Description
Technical field
The utility model belongs to illumination optical field, particularly the anti-dazzle lighting device of a kind of LED for electronic viewing aid.
Background technology
Electronic viewing aid product refers to utilize camera to obtain image, through the electronic assistance aids for low eyesight crowd that Digital Signal Processing amplifies and other particular image is processed, as pocket-type (hand-held) electronic viewing aid, or fixing CCTV visual aids on the table, or there is rotatable camera lens, can output to the assistant visual organ of note-book computer display screen etc., enlargement ratio can reach 2 times to more than 100 times.For make camera reach best photographic effect and at low luminosity environment as used night, conventionally all can install illumination optical apparatus additional.
The advantages such as LED light source is compared more energy-conserving and environment-protective with other light source, also has more advantage aspect illumination, has volume little, and effect is high, and directive property is strong.
The electronic viewing aid of prior art generally adopts LED optical lighting system to carry out light filling to improve image quality to camera, yet, also just because of LED luminous point is very little, the bright intensity that unit are penetrates is very bright feature again, if direct view led mistake is talked about for a long time, just likely work the mischief, especially responsive especially to light low eyesight crowd.The white light of most LED lamp, is can send on the LED chip of blue light in the market, has covered the fluorescent material of one deck yellow, is obtained by mixing white light, but there are some researches show, the blue light that LED lamp produces can damage people's retina.
Another distinct disadvantage of existing electronic viewing aid LED light source system is illumination unevenness, and the LED intense light source of highly directive can produce glare phenomenon, particularly when watching similar smooth plane materiel material, so relatively affect actual photographed effect and final viewing effect.
Utility model content
In view of this, the purpose of this utility model is to provide the anti-dazzle lighting device of a kind of LED for electronic viewing aid, and the image quality gathering for improving electronic viewing aid is avoided the stimulation of LED lamp to human eye simultaneously.
For achieving the above object, the utility model provides the anti-dazzle lighting device of a kind of LED for electronic viewing aid, comprises microspur image-forming module, image processing module and image display, wherein,
Described microspur image-forming module, for by the image input picture processing module collecting, comprises camera and light diffusion unit, and light diffusion unit comprises LED lamp group and light diffusing sheet;
Described image processing module, comprises electronic viewing aid graphics processing unit and anti-dazzle unit, the image of microspur image-forming module collection is analyzed and is processed, and by FEEDBACK CONTROL path, described smooth diffusion unit is adjusted;
Described image display, for carrying out output display by the image through image processing module analysis and after processing.
Alternatively, described light diffusing sheet, is in PC resin, to add organic nano microsphere light diffusing agent, and/or is that the inner surface of PC resin plate is carried out to polishing, outer surface carries out frosted processing.
Alternatively, described light diffusing sheet, at least comprises a reflection cambered surface or two equivalent planes of reflection, has coating on reflecting surface.
Alternatively, distance and angle between described LED lamp group and light diffusing sheet, the position of light diffusing sheet reflecting surface and thickness, all determine by optical analog and sample experiment.
Alternatively, the distance in described LED lamp group between LED lamp and the distance proportion of LED lamp group and light diffusing sheet inner surface are 1～2: 1, and the thickness of light diffusing sheet reflecting surface is 1～2mm, and area is not less than the illumination range of LED lamp group.
Alternatively, described LED lamp group consists of plural LED lamp, the rectangular circular or oval distribution of all LED lamps.
The beneficial effects of the utility model are: by light diffusing sheet being set in the LED lighting device at electronic viewing aid, the image quality gathering to improve electronic viewing aid, avoided LED lamp directly to stimulate to human eye the harm causing simultaneously, this light diffusing sheet has high light transmittance, high fog voltinism, colour temperature to output is controlled, can filter irritating blue light.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the structural representation of the anti-dazzle lighting device one concrete application example of the LED for electronic viewing aid of the utility model embodiment;
Fig. 2 is the structural representation of the light diffusion unit of the anti-dazzle lighting device one concrete application example of the LED for electronic viewing aid of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Referring to Fig. 1, be depicted as the structural representation of the anti-dazzle lighting device of the LED for electronic viewing aid of the utility model embodiment, comprising: microspur image-forming module 10, image processing module 20 and image display 30, wherein,
Described microspur image-forming module 10, be used for the image input picture processing module 20 collecting, comprise camera 11 and light diffusion unit 12, light diffusion unit 12 comprises LED lamp group and light diffusing sheet, in camera 11 and light diffusion unit 12, the distance of LED lamp group is 1.15: 1～1.5: 1, so both can guarantee the illumination of LED lamp group, in the time of can guaranteeing minimum range again, in the form of camera 11, not have the reflective of LED lamp group;
Described image processing module 20, comprises electronic viewing aid graphics processing unit 21 and anti-dazzle unit 22, and the image that microspur image-forming module 10 is gathered is analyzed and processed, and by FEEDBACK CONTROL path, described smooth diffusion unit 12 is adjusted;
Described image display 30, for carrying out output display by the image after image processing module 20 is analyzed and processed.
Further, described light diffusing sheet, is in PC resin, to add organic nano microsphere light diffusing agent, and/or is that the inner surface of PC resin plate is carried out to polishing, outer surface carries out frosted processing.Organic nano microballon light diffusing agent, is a kind of highly purified tiny transparent microsphere, is dispersed in PC resin, forms island structure, and its average grain diameter is 1～2um, average particle size distribution 1～2um.Due to different by the refractive index of base material and microballon, light is after entering light diffusing sheet inside, meet with light diffusing agent, through light reflection and astigmatism repeatedly, simultaneously because light can penetrate these transparent optical diffusion microspheres, so light loss is few, thereby reach even light, the effect of printing opacity, light diffusivity reaches more than 95%, and light transmittance reaches more than 85%.Simultaneously, on process of surface treatment, PC resin plate inner surface has been carried out to polishing, make light that LED sends can reach abundant multiple reflections entering between light diffusing sheet, PC resin plate outer surface has been carried out to fine grinding sand to be processed, light after light diffusing agent is gone out from the abundant diffuse reflection of matte surface, further strengthened even light effect.Different according to application scenario, the design objective of light diffusing sheet and requirement also have very large difference, in this series products of electronic viewing aid, owing to being video camera microspur shooting application, so the size of whole lighting device and space are had to stricter restriction.The utility model has customized light diffusing sheet assembly especially in conjunction with the actual distribution of electronic viewing aid straight-down negative LED lamp, has high light transmittance, high atomization, and high diffusibility, controls colour temperature, the feature of filter blue light.
Further, described light diffusing sheet, at least comprises a reflection cambered surface or two equivalent planes of reflection, has coating on reflecting surface.
Further, distance and angle between described LED lamp group and light diffusing sheet, the position of light diffusing sheet reflecting surface and thickness, all determine by optical analog and sample experiment.
Further, the distance in described LED lamp group between LED lamp and the distance proportion of LED lamp group and light diffusing sheet inner surface are 1～2: 1, and the thickness of light diffusing sheet reflecting surface is 1～2mm, and area is not less than the illumination range of LED lamp group.
Further, described LED lamp group consists of plural LED lamp, the rectangular circular or oval distribution of all LED lamps.
The structure of light diffusion unit of the anti-dazzle lighting device of the LED for electronic viewing aid of the utility model embodiment is described by a concrete Application Example, referring to Fig. 2, structural representation for light diffusion unit, comprise light diffusing sheet 120, LED lamp group 123 and buckle 124, light diffusing sheet 120 comprises the first reflecting surface 121 that is positioned at its bottom and the second reflecting surface 122 that is positioned at its sidepiece.
Light diffusing sheet 120 encases LED lamp group 123 completely, and buckle 124 is for being fixed on extraneous mould structure by light diffusing sheet 120.The light that LED lamp group 123 is sent is irradiated to three kinds of routes after light diffusing sheet 120: the light seeing through, the light of reflection and the light of absorption.120 of light diffusing sheets absorb a small amount of blue light, efficient the first reflecting surface 121 and the second reflecting surface 122, the light reflecting can be reflexed on light diffusing sheet 120 again, the light not seeing through finally almost all sees through by multiple reflections, reach the effect of high effective transparent, then the light seeing through, by the arrayed of light diffusing sheet 120 micro-feature structures, makes light through the refraction of out-of-date generation different directions, changes the course of light.
Visible, the utility model is by the design of light diffusion unit, and the abundant scattering of light that LED is sent, is radiated on collected image, and effect is softer, improves when gathering image quality, has avoided the tingling sensation of human eye.
The utility model carries out light filling with available technology adopting LED lamp to camera to be compared to improve the scheme of image quality, and light diffusing sheet plays the effect of soft light filling, makes illumination more even, and the while is even softening LED lamp wiring all, filters dazzling blue light.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the utility model claims limited range.
Claims (6)
1. for the anti-dazzle lighting device of LED of electronic viewing aid, it is characterized in that, comprise microspur image-forming module, image processing module and image display, wherein,
Described microspur image-forming module, for by the image input picture processing module collecting, comprises camera and light diffusion unit, and light diffusion unit comprises LED lamp group and light diffusing sheet;
Described image processing module, comprises electronic viewing aid graphics processing unit and anti-dazzle unit, the image of microspur image-forming module collection is analyzed and is processed, and by FEEDBACK CONTROL path, described smooth diffusion unit is adjusted;
Described image display, for carrying out output display by the image through image processing module analysis and after processing.
2. the anti-dazzle lighting device of the LED for electronic viewing aid according to claim 1, it is characterized in that described light diffusing sheet is in PC resin, to add organic nano microsphere light diffusing agent, and/or be that the inner surface of PC resin plate is carried out to polishing, outer surface carries out frosted processing.
3. the anti-dazzle lighting device of the LED for electronic viewing aid according to claim 2, is characterized in that, described light diffusing sheet at least comprises a reflection cambered surface or two equivalent planes of reflection, has coating on reflecting surface.
4. the anti-dazzle lighting device of the LED for electronic viewing aid according to claim 1, it is characterized in that, distance and angle between described LED lamp group and light diffusing sheet, the position of light diffusing sheet reflecting surface and thickness, all determine by optical analog and sample experiment.
5. the anti-dazzle lighting device of the LED for electronic viewing aid according to claim 4, it is characterized in that, distance in described LED lamp group between LED lamp and the distance proportion of LED lamp group and light diffusing sheet inner surface are 1～2: 1, the thickness of light diffusing sheet reflecting surface is 1～2mm, and area is not less than the illumination range of LED lamp group.
6. the anti-dazzle lighting device of the LED for electronic viewing aid according to claim 1, is characterized in that, described LED lamp group consists of plural LED lamp, the rectangular circular or oval distribution of all LED lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356972.XU CN203933778U (en) | 2014-06-27 | 2014-06-27 | The anti-dazzle lighting device of a kind of LED for electronic viewing aid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356972.XU CN203933778U (en) | 2014-06-27 | 2014-06-27 | The anti-dazzle lighting device of a kind of LED for electronic viewing aid |
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| CN203933778U true CN203933778U (en) | 2014-11-05 |
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| CN201420356972.XU Expired - Lifetime CN203933778U (en) | 2014-06-27 | 2014-06-27 | The anti-dazzle lighting device of a kind of LED for electronic viewing aid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065851A (en) * | 2014-06-27 | 2014-09-24 | 杭州度康科技有限公司 | LED anti-glare lighting device and method for electronic typoscope |
| CN108692914A (en) * | 2018-04-20 | 2018-10-23 | 广东弘景光电科技股份有限公司 | Camera module glare tester method and device |
-
2014
- 2014-06-27 CN CN201420356972.XU patent/CN203933778U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065851A (en) * | 2014-06-27 | 2014-09-24 | 杭州度康科技有限公司 | LED anti-glare lighting device and method for electronic typoscope |
| CN104065851B (en) * | 2014-06-27 | 2017-01-25 | 杭州度康科技有限公司 | LED anti-glare method for electronic typoscope |
| CN108692914A (en) * | 2018-04-20 | 2018-10-23 | 广东弘景光电科技股份有限公司 | Camera module glare tester method and device |
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