CN201141550Y - Light distribution optical grating plate - Google Patents
Light distribution optical grating plate Download PDFInfo
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- CN201141550Y CN201141550Y CNU2007201949156U CN200720194915U CN201141550Y CN 201141550 Y CN201141550 Y CN 201141550Y CN U2007201949156 U CNU2007201949156 U CN U2007201949156U CN 200720194915 U CN200720194915 U CN 200720194915U CN 201141550 Y CN201141550 Y CN 201141550Y
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Abstract
The utility model relates to a light distribution grating plate, which is used for the lighting cover body of a lamp. A plurality of saw tooth-shaped gratings are molded on the top surface of light-transmitting sheet material, each saw tooth-shaped grating is composed of a convex lens surface and a straight line bevel edge surface, the saw tooth-shaped gratings takes the center line of the light-transmitting sheet material as the basic reference and are arranged in a strip-shaped form, the straight line bevel edge surface is directed towards the two face edges of the light-transmitting sheet material, and the convex lens surface is directed towards the center line; the top surface is an irradiated surface in the lamp. A plurality of convex lens strip-shaped gratings are molded on the bottom surface of the light-transmitting sheet material, and the bottom surface is a light extracting surface in the lamp. By adopting the structure, the light can be evenly distributed, the especially bright gaussian distribution phenomenon under the lamp can be avoided, the phenomenon that dazzle is caused when eyes directly see the bright light of the light source in the lamp can be avoided, and the light can be softer under the circumstance of minimum brightness loss.
Description
Technical field
The utility model is about lighting lamp structure, especially a kind of smooth distribute light screen.
Background technology
Lighting generally is divided into two kinds of indoor and outdoor uses, indoor light fixture is based on half-mask (please join Figure 1A), mainly above light source 102, install the light tight cover body 101 of a half-mask, cover body inner surface 103 tool reflecting effects, this type of light fixture produces dazzling and dazzle situation for avoiding light source to eyes, doing atomizing usually on the light source surface and handling the reduction aforementioned phenomenon.
And the outdoor use light fixture is because of considering that environmental factor is all based on all cover lampshade (please join Figure 1B), its below transparent lamp shade 104 also is equally to do atomizing to handle the glare phenomenon of avoiding eyes direct-view light source, this the two all have common drawback to be to lose a lot of brightness because of atomizing, and brightness concentrates on the Gaussian distribution phenomenon of certain block under the light fixture.
Summary of the invention
The utility model purpose is, a kind of smooth distribute light screen is provided, to improve the problem points of known techniques, reaching light evenly distributes and avoids bright especially Gaussian distribution phenomenon under the light fixture, can avoid eyes can see directly that the light source light in the light fixture produces glare phenomenon again, and under the situation of luminance loss's minimum, light be become softer.
According to above-mentioned purpose, smooth distribute light screen provided by the utility model, it is formed with several zigzag gratings at a printing opacity sheet material as the end face of light fixture sensitive surface, it is characterized in that:
Each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are benchmark Cheng Jingxiang stripe-arrangement with this printing opacity sheet material center line, and straight line hypotenuse face is towards this limit, printing opacity sheet material two sides, and convex lens is towards this center line.
Wherein, printing opacity sheet material is formed with several convex lens strip gratings as the bottom surface of light fixture exiting surface.
Wherein, each convex lens surface radius of curvature size and spacing of convex lens strip grating, for incident ray in this surperficial total refraction angle.
Wherein, the radius of curvature size and the angle of inclination of each convex lens of described zigzag grating, for incident ray in this surperficial total refraction angle.
Wherein, the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle, for incident ray in this surperficial total refraction angle.
A kind of smooth distribute light screen, it is formed with several zigzag gratings at a printing opacity sheet material as the end face of light fixture sensitive surface, it is characterized in that: each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are benchmark Cheng Jingxiang annular arrangement with this printing opacity sheet material central point, straight line hypotenuse face is towards this printing opacity sheet material periphery, and convex lens is towards this central point.
Wherein, printing opacity sheet material is formed with several convex lens ring-type gratings as the bottom surface of light fixture exiting surface.
Wherein, each convex lens surface radius of curvature size and spacing of convex lens ring-type grating are the angle of incident ray in this surface total refraction.
Wherein, the radius of curvature size and the angle of inclination of each convex lens of those zigzag gratings are the angle of incident ray in this surface total refraction.
Wherein, the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle are the angle of incident ray in this surface total refraction.
A kind of smooth distribute light screen, it is formed with several convex lens gratings at a printing opacity sheet material as the end face middle section of light fixture sensitive surface, and the neighboring area is formed with several zigzag gratings, it is characterized in that:
Each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are that reference mirror becomes number zigzag grating to annular arrangement with this printing opacity sheet material center, and straight line hypotenuse face is towards this printing opacity sheet material side, and convex lens is towards this printing opacity sheet material center
Each this convex lens grating is that the benchmark ring-type is arranged in several convex lens gratings with this printing opacity sheet material center.
Wherein, printing opacity sheet material is formed with several convex lens ring-type gratings as the bottom surface of light fixture exiting surface.
Wherein, each convex lens surface radius of curvature size and spacing of convex lens ring-type grating are the angle of incident ray in this surface total refraction.
Wherein, the radius of curvature size of each convex lens of those zigzag gratings and camber line angle of inclination are the angle of incident ray in this surface total refraction.
Wherein, the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle are the angle of incident ray in this surface total refraction.
A kind of smooth distribute light screen, it is formed with several convex lens gratings at a printing opacity sheet material as the end face middle section of light fixture sensitive surface, and the neighboring area is formed with several zigzag gratings, it is characterized in that:
Each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are that reference mirror becomes number zigzag grating to stripe-arrangement with this printing opacity sheet material center line, and straight line hypotenuse face is towards this printing opacity sheet material dual-side, and convex lens is towards this printing opacity sheet material center line, and each this convex lens grating is arranged into strips with above-mentioned zigzag grating orientation.
Wherein, printing opacity sheet material is formed with several convex lens strip gratings as the bottom surface of light fixture exiting surface.
Wherein, each convex lens surface radius of curvature size and spacing of convex lens strip grating are the angle of incident ray in this surface total refraction.
Wherein, the radius of curvature size of each convex lens of those zigzag gratings and camber line angle of inclination are the angle of incident ray in this surface total refraction.
Wherein, the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle are the angle of incident ray in this surface total refraction.
The utility model beneficial effect: pass through said structure, smooth distribute light screen provided by the utility model, the radius of curvature size of each convex lens of zigzag grating wherein and angle of inclination are according to incident ray is changed through the angle (incident ray and this face normal angle make light not produce the angle of reflection substantially less than angle of reflection) of this surperficial total refraction; And the angle of the size of each straight line hypotenuse face of zigzag grating and straight line hypotenuse and horizontal line angle, according to incident ray is changed through the angle of this surperficial total refraction.In addition each convex lens surface radius of curvature size and spacing of convex lens strip grating or convex lens ring-type grating are according to incident ray is changed through the angle of this surperficial total refraction.By this, can be with the light refraction in the light fixture to certain block of cells of desiring the field of illumination, reach light and evenly distribute and avoid bright especially Gaussian distribution phenomenon under the light fixture.
Smooth distribute light screen of the present utility model can give improvement again, can become figurate number convex lens strip or ring-type grating in the end face or the brightest position of bottom surface central source irradiation of printing opacity sheet material.Structure by this reaches light and evenly distributes and avoid bright especially Gaussian distribution phenomenon under the light fixture, can avoid eyes can see directly that the light source light in the light fixture produces glare phenomenon again, and under the situation of luminance loss's minimum light be become softer.
Below, will structure of the present utility model and principle be described in detail according to the various embodiment shown in the drawing.
Description of drawings
Figure 1A is a kind of known half-mask lighting schematic diagram,
Figure 1B is a kind of known all cover lighting schematic diagram,
Fig. 2 is the end face view of first kind of embodiment of the utility model light distribute light screen,
Fig. 2 A is the front view of Fig. 2,
Fig. 2 B is the lateral plan of Fig. 2,
Fig. 3 is that the central area of first kind of embodiment of the utility model shown in Figure 2 amplify to show figure, and the light explanation of advancing,
Fig. 4 is the end face view of second kind of embodiment of the utility model light distribute light screen,
Fig. 4 A is the front view of Fig. 4,
Fig. 4 B is the lateral plan of Fig. 4,
Fig. 5 is that the central area of first kind of embodiment of the utility model light distribute light screen shown in Figure 4 amplify to show figure, and the light explanation of advancing,
Fig. 6 is the end face view of the third embodiment of the utility model light distribute light screen,
Fig. 6 A is the front view of Fig. 6,
Fig. 6 B is the lateral plan of Fig. 6,
Fig. 7 is the end face view of the 4th kind of embodiment of the utility model light distribute light screen,
Fig. 7 A is the front view of Fig. 7,
Fig. 7 B is the lateral plan of Fig. 7,
Fig. 8 implements the explanation of advancing of illustration and light for the utility model light distribute light screen first kind of embodiment shown in Figure 2 is applied to first in the light fixture,
Fig. 9 implements the explanation of advancing of illustration and light for the utility model light distribute light screen second kind of embodiment shown in Figure 4 is applied to second in the light fixture.
Figure 10 is the end face view of first kind of embodiment of the utility model modified form light distribute light screen,
Figure 10 A is the front view of Figure 10,
Figure 10 B is the lateral plan of Figure 10,
Figure 11 is that the central area of first kind of embodiment of the utility model modified form light distribute light screen shown in Figure 10 amplify to show figure, and the light explanation of advancing,
Figure 12 is the end face view of second kind of embodiment of the utility model modified form light distribute light screen,
Figure 12 A is the front view of Figure 12,
Figure 12 B is the lateral plan of Figure 12,
Figure 13 is that the central area of first kind of embodiment of the utility model modified form light distribute light screen shown in Figure 12 amplify to show figure, and the light explanation of advancing,
Figure 14 is the end face view of the third embodiment of the utility model modified form light distribute light screen,
Figure 14 A is the front view of Figure 14,
Figure 14 B is the lateral plan of Figure 14,
Figure 15 is the end face view of the 4th kind of embodiment of the utility model modified form light distribute light screen,
Figure 15 A is the front view of Figure 15,
Figure 15 B is the lateral plan of Figure 15,
Figure 16 implements the explanation of advancing of illustration and light for the utility model modified form light distribute light screen first kind of embodiment shown in Figure 10 is applied to first in the light fixture,
Figure 17 implements the explanation of advancing of illustration and light for the utility model modified form light distribute light screen second kind of embodiment shown in Figure 12 is applied to second in the light fixture.
The specific embodiment
The utility model is a kind of smooth distribute light screen, is the lamp lighting mask body with a printing opacity sheet material forming light distribute light screen.
Referring to Fig. 2, Fig. 2 A and Fig. 2 B is first kind of embodiment of the utility model, a surface of one square printing opacity sheet material 201 is a burnishing surface 202, several shape zigzag gratings 203 of another shaping surface, each sawtooth of zigzag grating is made up of a convex lens S1 and straight line hypotenuse face S2, number zigzag grating is arranged to mode with printing opacity sheet material 201 center lines 204 mirrors, and convex lens S1 is towards center line, and straight line hypotenuse face S2 is towards dual-side.
Please refer to Fig. 3 is that demonstration figure is amplified in a smooth distribute light screen 301 central areas, and wherein a surface (bottom surface) is plane 302, and another surface (end face) is shaped with several shape zigzag gratings 303 of Fig. 2.
A wherein convex lens 311 back that light 306 enters the zigzag grating produces the total refraction second time when producing total refractions for the first time to plane 302 and enters the field of illumination; A wherein convex lens 310 back that light 307 enters the zigzag grating produces the total refraction second time when producing total refractions for the first time to plane 302 and enters the field of illumination.
Can find out that by light 306 and light 307 light that is incident in convex lens all shines toward both sides, light distribute light screen 301 below after birefringence, the angle of its light total refraction depends on the curved line radius size and the angle of inclination of convex lens, when curved line tilts to heal when high, the angle of light refraction bright dipping distribute light screen 301 lower, planar is just bigger, and promptly light is wideer toward the width of both sides irradiation; Otherwise when curved line tilts when lower, the angle of light refraction bright dipping distribute light screen 301 lower, planar is just little, and promptly light is narrower toward the width of both sides irradiation.Therefore as long as set the curved line radius size and the angle of inclination of convex lens on the original screen panel, just can control light and shine, reach light and be uniformly distributed in the field of illumination effect in a certain particular block of desiring the field of illumination.
A wherein straight line hypotenuse face 312 back that light 308 enters the zigzag grating produces the total refraction second time when producing total refractions for the first time to plane 302 and enters the field of illumination; A wherein straight line hypotenuse face 313 back that light 309 enters the zigzag grating produces the total refraction second time when producing total refractions for the first time to plane 302 and enters the field of illumination.
Can find out that by light 308 and light 309 light that is incident in straight line hypotenuse face all shines toward light distribute light screen 301 below center positions after birefringence, the angle that its light refraction goes out depends on straight line hypotenuse face and horizontal line angle angle, when straight line hypotenuse face and horizontal line angle angle heal when big, the angle of light refraction bright dipping distribute light screen 301 lower, planar is just bigger, and promptly light is wideer toward the width of both sides irradiation; Otherwise, when straight line hypotenuse and horizontal line angle angle more hour, the angle of light refraction bright dipping distribute light screen 301 lower, planar is just little, promptly light is narrower toward the width of both sides irradiation.Therefore as long as set this straight line hypotenuse and horizontal plane angle angle, also can control light and shine, reach light and be uniformly distributed in the field of illumination effect in a certain particular block of desiring the field of illumination.
Referring to Fig. 4, Fig. 4 A and Fig. 4 B is second kind of embodiment of the utility model, a square printing opacity sheet material 401, and wherein a shaping surface is with several several shape convex lens gratings 402 of shape zigzag grating 403, one shaping surfaces of Fig. 2; And number zigzag grating 403 is arranged to mode with printing opacity sheet material 401 center lines 404 mirrors.
Please refer to Fig. 5, demonstration figure is amplified in one smooth distribute light screen, 501 central areas, wherein a surface (bottom surface) is number convex lens strip grating, another surface (end face) is shaped with several shape zigzag gratings 502 of Fig. 2, and itself and Fig. 3 narrating content difference only are number convex lens strip grating in the lower surface of light distribute light screen 501.When convex lens 506,509 or the straight line hypotenuse face 512,515 of light 505,508,511,514 through several shape zigzag gratings 502, after generation total refraction was for the first time counted convex lens strip grating 513,516 and plane 507,510 to the bottom surface, the total refraction second time of generation entered the refraction angle of field of illumination and distinguishes to some extent.
This convex lens radius size of counting convex lens strip grating directly influences the angle that light produces total refraction for the second time.It has certain rule, be exactly the radius of convex lens on the convex lens strip grating bigger then the incidence angle of incident ray (total refraction angle) is littler, the angle that reflects bright dipping distribute light screen 501 relatively is littler, promptly the width of field of illumination is narrower; Otherwise the heal incidence angle of little then incident ray of the radius of convex lens is bigger on the convex lens strip grating, and the angle (total refraction angle) that reflects bright dipping distribute light screen 501 relatively is bigger, and promptly the width of field of illumination is wideer.Suitably set this radius size of counting convex lens and spacing and can exquisitelyr reach the field of illumination brightness effect that evenly distributes.
Please refer to Fig. 6, Fig. 6 A and Fig. 6 B is the third embodiment of the utility model, one circular printing opacity sheet material 601, wherein a surface (bottom surface) is plane 602, another surface (end face) shaping ring of numbers shape zigzag grating 603, this ring of numbers shape zigzag grating is formed structure several shape zigzag grating 203 structures with Fig. 2, but the center of circle 604 with circular printing opacity sheet material 601 is that arrange circlewise at the center, and the design principle of its convex lens curved line and straight line hypotenuse is thrown light on different-effect with Fig. 3 narrating content with generation.
Please refer to Fig. 7, Fig. 7 A and Fig. 7 B is the 4th kind of embodiment of the utility model, one circular printing opacity sheet material 701, wherein a surface (end face) is shaped with the ring of numbers shape zigzag grating 703 of Fig. 6, and ring of numbers shape zigzag grating 703 is that arrange circlewise at the center with the center of circle 704 of circular printing opacity sheet material 701; Another surface (bottom surface) shaping ring of numbers shape convex lens grating 702, the design principle of its convex lens radius size and generation illumination different-effect are with Fig. 5 narrating content.
Please refer to Fig. 8, for the utility model is used in first embodiment in the light fixture, illuminated area below lamp main body 105, head one smooth distribute light screen 801, original screen panel one surface (bottom surface) is exiting surface towards the field of illumination for plane 802, it is sensitive surface towards light source 102 that another surface (end face) becomes figurate number zigzag grating 803, number zigzag grating 803 is that benchmark Cheng Jingxiang arranges with the original screen panel center line, and convex lens faces the original screen panel side towards original screen panel center line straight line hypotenuse, under the positive center alignment light source 102 of light distribute light screen 801.
The several zigzag gratings that enter light distribute light screen 801 when light 805 wherein produce total refraction for the first time during a convex lens 806, and the total refraction second time that produces past light fixture lower left during to plane 802 enters the field of illumination.Several zigzag gratings that light 807 enters light distribute light screen 801 wherein produce total refraction for the first time during a convex lens 808, and the total refraction second time that produces past light fixture lower left during to plane 802 enters the field of illumination.Several zigzag gratings that light 809 enters light distribute light screen 801 wherein produce total refraction for the first time during a straight line hypotenuse face 810, produce toward the bottom-right total refraction second time of light fixture during to plane 802 and enter the field of illumination, this light distribute light screen really can be controlled the specific illumination zone of most light in the light fixture, reaches the energy-saving effect and the soft effect of light of field of illumination brightness uniform distribution.
Please refer to Fig. 9, for the utility model is used in second embodiment in the light fixture, illuminated area below lamp main body 105, head one smooth distribute light screen 901, it is exiting surface towards the field of illumination that original screen panel one surface (bottom surface) becomes figurate number convex lens 902, it is sensitive surface towards light source 102 that another surface (end face) becomes figurate number zigzag grating 903, number zigzag grating 903 is that benchmark Cheng Jingxiang arranges with the original screen panel center line, and convex lens faces the original screen panel side towards original screen panel center line straight line hypotenuse, under the positive center alignment light source 102 of light distribute light screen 901.
The several zigzag gratings that enter light distribute light screen 901 when light 905 wherein produce total refraction for the first time during a convex lens 906, and the total refraction second time that produces past light fixture lower left during to the wherein convex lens 907 of light distribute light screen 901 belows enters the field of illumination.Several zigzag gratings that light 908 enters light distribute light screen 901 wherein produce total refraction for the first time during another convex lens 909, and the total refraction second time that produces past light fixture lower left during to the wherein convex lens 910 of light distribute light screen 901 belows enters the field of illumination.Several zigzag gratings that light 911 enters light distribute light screen 901 wherein produce refraction for the first time during a straight line hypotenuse face 912, produce toward the bottom-right total refraction second time of light fixture during to the plane 913 of light distribute light screen 901 belows and enter the field of illumination, this light distribute light screen also really can be controlled the specific illumination zone of most light in the light fixture, reaches the energy-saving effect and the soft effect of light of field of illumination brightness uniform distribution.
Smooth distribute light screen of the present utility model can give improvement again, can become figurate number convex lens strip grating in the end face or the brightest position of bottom surface central source irradiation of printing opacity sheet material.Structure by this reaches light and evenly distributes and avoid bright especially Gaussian distribution phenomenon under the light fixture, can avoid eyes can see directly that the light source light in the light fixture produces glare phenomenon again, and under the situation of luminance loss's minimum light be become softer.
Referring to Figure 10, Figure 10 A and Figure 10 B is first kind of embodiment of the utility model modified form light distribute light screen, a surface of one square printing opacity sheet material 1201 is a burnishing surface 1202, several shape convex lens gratings 1205 of another surperficial centre drape forming, several shape convex lens grating both sides several shape zigzag gratings 1203 that are shaped, each sawtooth of zigzag grating is made up of a convex lens S1 and straight line hypotenuse face S2, number zigzag grating is arranged to mode with printing opacity sheet material 1201 center lines 1204 mirrors, and convex lens S1 is towards center line, and straight line hypotenuse face S2 is towards dual-side.
Please refer to Figure 11 is that demonstration figure is amplified in a modified form light distribute light screen 1301 central areas, and wherein a surface (bottom surface) is plane 1302, and another surface (end face) is shaped with the several convex lens strip gratings 1304 and several shape zigzag gratings 1303 of Fig. 2.
Wherein convex lens 1305 back that light 1314 enters the convex lens grating produces the total refraction second time when producing total refractions for the first time to plane 1302 and enters the field of illumination; Can find out that by light 1314 light that is incident in convex lens is after birefringence, shine in light distribute light screen 1301 bottom center zones, the angle that its light refraction goes out depends on the curved line radius size of convex lens, when the curved line radius be more greatly the curved line flexibility more hour, the angle of light refraction bright dipping distribute light screen 1301 lower, planar is just little, and promptly light is narrower toward the width of both sides irradiation; Otherwise healing little when the radius of curved line is that the curved line flexibility heals when big, and the angle of light refraction bright dipping distribute light screen 1301 lower, planar is just bigger, and promptly light is wideer toward the width of both sides irradiation.Therefore as long as set the curved line radius size of convex lens on the original screen panel, just can control light and shine, reach light and be uniformly distributed in the field of illumination effect in a certain particular block of desiring the field of illumination.
A wherein convex lens 1311 back that light 1306 enters the zigzag grating produces the total refraction second time when producing total refractions for the first time to plane 1302 and enters the field of illumination; When a wherein convex lens 1310 back that light 1307 enters the zigzag grating produces total refractions for the first time to plane 1302, produce the total refraction second time and enter the field of illumination.
Can find out that by light 1306 and light 1307 light that is incident in convex lens all shines toward both sides, light distribute light screen 1301 below after birefringence, the angle that its light refraction goes out depends on the curved line radius size and the angle of inclination of convex lens, when curved line tilts to heal when high, the angle of light refraction bright dipping distribute light screen 1301 lower, planar is just bigger, and promptly light is wideer toward the width of both sides irradiation; Otherwise when curved line tilts when lower, the angle of light refraction bright dipping distribute light screen 1301 lower, planar is just little, and promptly light is narrower toward the width of both sides irradiation.Therefore as long as set the curved line radius size and the angle of inclination of convex lens on the original screen panel, just can control light and shine, reach light and be uniformly distributed in the field of illumination effect in a certain particular block of desiring the field of illumination.
When straight line hypotenuse face 1312 back that light 1308 enters the zigzag grating produces total refractions for the first time to plane 1302, produce the total refraction second time and enter the field of illumination; When straight line hypotenuse face 1313 back that light 1309 enters the zigzag grating produces total refractions for the first time to plane 1302, produce to reflect for the second time and enter the field of illumination entirely.
Can find out that by light 1308 and light 1309 major part is incident in the light of straight line hypotenuse face, after birefringence, all shine toward light distribute light screen 1301 below center positions, the angle that its light refraction goes out depends on straight line hypotenuse face and horizontal line angle angle, when straight line hypotenuse face and horizontal line angle angle heal when big, the angle of light refraction bright dipping distribute light screen 1301 lower, planar is just bigger, and promptly light is wideer toward the width of both sides irradiation; Otherwise, when straight line hypotenuse and horizontal line angle angle more hour, the angle of light refraction bright dipping distribute light screen 1301 lower, planar is just little, promptly light is narrower toward the width of both sides irradiation.Therefore as long as set this straight line hypotenuse and horizontal line angle angle, also can control light and shine, reach light and be uniformly distributed in the field of illumination effect in a certain particular block of desiring the field of illumination.
Referring to Figure 12, Figure 12 A and Figure 12 B is second kind of embodiment of the utility model modified form light distribute light screen, one square printing opacity sheet material 1401, wherein a shaping surface is partly several shape convex lens gratings 1402 of drape forming of plane 1406 with several convex lens strip gratings 1405 of Figure 10 with several part zones, shape zigzag grating 1403, one surface; And several shape zigzag gratings 1403 are arranged to mode with printing opacity sheet material 1401 center lines 1404 mirrors.
Please refer to Figure 13, demonstration figure is amplified in one smooth distribute light screen, 1501 central areas, wherein a surface (bottom surface) part zone is the plane for number convex lens strip grating part zone, another surface (end face) is shaped with several shape zigzag gratings 1502 and several shape convex lens gratings 1503 of Fig. 2, and itself and Fig. 3 narrating content difference are partly several shape convex lens gratings and partly plane in the lower surface of light distribute light screen 1501 only.When convex lens 1506,1509 or straight line hypotenuse face 1512,1515 or the strip convex lens grating 1518 of light 1505,1508,1511,1514,1517 through several shape zigzag gratings 1502, after generation total refraction was for the first time counted convex lens strip grating 1513,1516,1519 and plane 1507,1510 to this, the total refraction second time of generation entered the refraction angle of field of illumination and distinguishes to some extent.Wherein near the light 1517 of central authorities through strip convex lens grating 1518 and convex lens strip grating 1519, produce twice refraction and enter the field of illumination, make light in the middle of the original screen panel evenly distribute to avoid under the light fixture bright especially.
The convex lens radius size of these several shape convex lens gratings of part directly influences light and produces the angle of refraction for the second time.It has certain rule, be exactly the radius of convex lens on the strip convex lens grating bigger then the incidence angle of incident ray (total refraction angle) is littler, the angle that reflects bright dipping distribute light screen 1501 relatively is littler, promptly the width of field of illumination is narrower; Otherwise the heal incidence angle (total refraction angle) of little then incident ray of the radius of convex lens is bigger on the strip convex lens grating, and the angle that reflects bright dipping distribute light screen 1501 relatively is bigger, and promptly the width of field of illumination is wideer.Suitably set this radius size of counting convex lens and can exquisitelyr reach the field of illumination brightness effect that evenly distributes.
Please refer to Figure 14, Figure 14 A and Figure 14 B are the third embodiment of the utility model modified form light distribute light screen, one circular printing opacity sheet material 1601, wherein a surface (bottom surface) is plane 1602, another surface (end face) shaping ring of numbers shape convex lens grating 1605 and ring of numbers shape zigzag grating 1603, this ring of numbers shape convex lens grating and ring of numbers shape zigzag grating are formed structure several shape convex lens gratings 1205 and several shape zigzag grating 1203 structures with Figure 10, but the center of circle 1604 with circular printing opacity sheet material 1601 is that arrange circlewise at the center, and the design principle of its convex lens curved line and straight line hypotenuse is thrown light on different-effect with Figure 11 narrating content with generation.
Please refer to Figure 15, Figure 15 A and Figure 15 B is the 4th kind of embodiment of the utility model, one circular printing opacity sheet material 1701, wherein a surface (end face) is shaped with 6 ring of numbers shape convex lens grating 1705 and ring of numbers shape zigzag grating 1703, is that arrange circlewise at the center with the center of circle 1704 of circular printing opacity sheet material 1701; Another surface (bottom surface) ring of numbers shape convex lens grating 1702 that partly is shaped partly is plane 1706, the design principle of its convex lens radius size with produce the illumination different-effect with Figure 13 narrating content.
Please refer to Figure 16, for the utility model modified form light distribute light screen is used in first embodiment in the light fixture, illuminated area below lamp main body 105, head one smooth distribute light screen 1801, original screen panel one surface (bottom surface) is exiting surface towards the field of illumination for plane 1802, it is sensitive surface towards light source 102 that another surface (end face) becomes figurate number convex lens grating 1804 and number zigzag grating 1803, and under the positive center alignment light source 102 of modified form light distribute light screen 1801.
The zigzag grating that enters modified form light distribute light screen 1801 when light 1805 wherein produces total refraction for the first time during a convex lens 1806, and the total refraction second time that produces past light fixture lower left during to plane 1802 enters the field of illumination.The zigzag grating that light 1807 enters modified form light distribute light screen 1801 wherein produces total refraction for the first time during a convex lens 1808, and the total refraction second time that produces past light fixture lower left during to plane 1802 enters the field of illumination.The zigzag grating that light 1809 enters modified form light distribute light screen 1801 wherein produces total refraction for the first time during a straight line hypotenuse face 1810, produce toward the bottom-right total refraction second time of light fixture during to plane 1802 and enter the field of illumination, light 1812 produces total refraction for the first time when entering wherein convex lens 1811 surface of several convex lens gratings, produce total refraction for the second time during to plane 1802 and enter light fixture bottom center zone, this modified form light distribute light screen really can be controlled the specific illumination zone of most light in the light fixture, reaches the energy-saving effect and the soft effect of light of field of illumination brightness uniform distribution.
Please refer to Figure 17, for the utility model modified form light distribute light screen is used in second embodiment in the light fixture, illuminated area below lamp main body 105, head one modified form light distribute light screen 1901, original screen panel one surface (bottom surface) partly becomes figurate number convex lens 1904 partly to be plane 1902,1913 is exiting surface towards the field of illumination, another surface (end face) middle section becomes figurate number convex lens grating 1917, it is sensitive surface towards light source 102 that convex lens grating both sides become figurate number zigzag grating 1903, and under the positive center alignment light source 102 of light distribute light screen 1901.
The zigzag grating that enters modified form light distribute light screen 1901 when light 1905 wherein produces total refraction for the first time during a convex lens 1906, and the total refraction second time that produces past light fixture lower left during to the wherein convex lens 1907 of modified form light distribute light screen 1901 belows enters the field of illumination.The zigzag grating that light 1908 enters modified form light distribute light screen 1901 wherein produces total refraction for the first time during a convex lens 1909, and the total refraction second time that produces past light fixture lower left during to the wherein convex lens 1910 of modified form light distribute light screen 1901 belows enters the field of illumination.The zigzag grating that light 1911 enters modified form light distribute light screen 1901 wherein produces total refraction for the first time during a straight line hypotenuse face 1912, produce toward the bottom-right total refraction second time of light fixture during to the plane 1913 of modified form light distribute light screen 1901 belows and enter the field of illumination, the several convex lens gratings that enter modified form light distribute light screen 1901 when light 1914 wherein produce total refraction for the first time during a convex lens 1915, produce toward the total refraction second time of light fixture lower zone during to the wherein convex lens 1916 of modified form light distribute light screen 1901 belows and enter the field of illumination, this modified form light distribute light screen also really can be controlled the specific illumination zone of most light in the light fixture, reaches the energy-saving effect and the soft effect of light of field of illumination brightness uniform distribution.
Claims (20)
1. light distribute light screen, it is formed with several zigzag gratings at a printing opacity sheet material as the end face of light fixture sensitive surface, it is characterized in that:
Each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are benchmark Cheng Jingxiang stripe-arrangement with this printing opacity sheet material center line, and straight line hypotenuse face is towards this limit, printing opacity sheet material two sides, and convex lens is towards this center line.
2. according to the described smooth distribute light screen of claim 1, it is characterized in that printing opacity sheet material is formed with several convex lens strip gratings as the bottom surface of light fixture exiting surface.
3. according to the described smooth distribute light screen of claim 2, it is characterized in that, each convex lens surface radius of curvature size and spacing of convex lens strip grating, for incident ray in this surperficial total refraction angle.
4. according to the described smooth distribute light screen of claim 1, it is characterized in that, the radius of curvature size and the angle of inclination of each convex lens of described zigzag grating, for incident ray in this surperficial total refraction angle.
5. according to the described smooth distribute light screen of claim 1, it is characterized in that, the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle, for incident ray in this surperficial total refraction angle.
6. light distribute light screen, it is formed with several zigzag gratings at a printing opacity sheet material as the end face of light fixture sensitive surface, it is characterized in that: each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are benchmark Cheng Jingxiang annular arrangement with this printing opacity sheet material central point, straight line hypotenuse face is towards this printing opacity sheet material periphery, and convex lens is towards this central point.
7. according to the described smooth distribute light screen of claim 6, it is characterized in that printing opacity sheet material is formed with several convex lens ring-type gratings as the bottom surface of light fixture exiting surface.
8. according to the described smooth distribute light screen of claim 7, it is characterized in that each convex lens surface radius of curvature size and spacing of convex lens ring-type grating are the angle of incident ray in this surface total refraction.
9. according to the described smooth distribute light screen of claim 6, it is characterized in that the radius of curvature size and the angle of inclination of each convex lens of those zigzag gratings are the angle of incident ray in this surface total refraction.
10. according to the described smooth distribute light screen of claim 6, it is characterized in that the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle are the angle of incident ray in this surface total refraction.
11. a light distribute light screen, it is formed with several convex lens gratings at a printing opacity sheet material as the end face middle section of light fixture sensitive surface, and the neighboring area is formed with several zigzag gratings, it is characterized in that:
Each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are that reference mirror becomes number zigzag grating to annular arrangement with this printing opacity sheet material center, and straight line hypotenuse face is towards this printing opacity sheet material side, and convex lens is towards this printing opacity sheet material center
Each this convex lens grating is that the benchmark ring-type is arranged in several convex lens gratings with this printing opacity sheet material center.
12., it is characterized in that printing opacity sheet material is formed with several convex lens ring-type gratings as the bottom surface of light fixture exiting surface according to the described smooth distribute light screen of claim 11.
13., it is characterized in that each convex lens surface radius of curvature size and spacing of convex lens ring-type grating are the angle of incident ray in this surface total refraction according to the described smooth distribute light screen of claim 12.
14., it is characterized in that the radius of curvature size of each convex lens of those zigzag gratings and camber line angle of inclination are the angle of incident ray in this surface total refraction according to the described smooth distribute light screen of claim 11.
15., it is characterized in that the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle are the angle of incident ray in this surface total refraction according to the described smooth distribute light screen of claim 11.
16. a light distribute light screen, it is formed with several convex lens gratings at a printing opacity sheet material as the end face middle section of light fixture sensitive surface, and the neighboring area is formed with several zigzag gratings, it is characterized in that:
Each this zigzag grating is made of a convex lens and a straight line hypotenuse face, and those sawtooth gratings are that reference mirror becomes number zigzag grating to stripe-arrangement with this printing opacity sheet material center line, and straight line hypotenuse face is towards this printing opacity sheet material dual-side, and convex lens is towards this printing opacity sheet material center line
Each this convex lens grating is arranged into strips with above-mentioned zigzag grating orientation.
17., it is characterized in that printing opacity sheet material is formed with several convex lens strip gratings as the bottom surface of light fixture exiting surface according to the described smooth distribute light screen of claim 16.
18., it is characterized in that each convex lens surface radius of curvature size and spacing of convex lens strip grating are the angle of incident ray in this surface total refraction according to the described smooth distribute light screen of claim 17.
19., it is characterized in that the radius of curvature size of each convex lens of those zigzag gratings and camber line angle of inclination are the angle of incident ray in this surface total refraction according to the described smooth distribute light screen of claim 16.
20., it is characterized in that the size of each straight line hypotenuse face of zigzag grating and the angle of straight line hypotenuse and horizontal line angle are the angle of incident ray in this surface total refraction according to the described smooth distribute light screen of claim 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201949156U CN201141550Y (en) | 2007-11-13 | 2007-11-13 | Light distribution optical grating plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201949156U CN201141550Y (en) | 2007-11-13 | 2007-11-13 | Light distribution optical grating plate |
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| Publication Number | Publication Date |
|---|---|
| CN201141550Y true CN201141550Y (en) | 2008-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201949156U Expired - Fee Related CN201141550Y (en) | 2007-11-13 | 2007-11-13 | Light distribution optical grating plate |
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| CN (1) | CN201141550Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8162513B2 (en) | 2009-05-06 | 2012-04-24 | Foxsemicon Integrated Technology, Inc. | Illumination device with anti-glare plate |
| US8545062B2 (en) | 2009-12-08 | 2013-10-01 | Industrial Technology Research Institute | Light uniformization structure and light emitting module |
| TWI417484B (en) * | 2009-12-08 | 2013-12-01 | Ind Tech Res Inst | Uniforming-light structure and light-emitting module |
| TWI452231B (en) * | 2010-06-08 | 2014-09-11 | Automotive Res & Testing Ct | A lighting device withGPP brightening film |
| CN104111544A (en) * | 2014-06-19 | 2014-10-22 | 京东方科技集团股份有限公司 | Illumination device |
| TWI514010B (en) * | 2012-12-17 | 2015-12-21 | Hon Hai Prec Ind Co Ltd | Optical lens and lighting element having same |
| CN105301004A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Light source detection device |
| CN110045509A (en) * | 2019-03-14 | 2019-07-23 | 东莞市托普莱斯光电技术有限公司 | A kind of multiple views orientation naked eye 3D display device |
| CN110836761A (en) * | 2019-10-12 | 2020-02-25 | 深圳市裕展精密科技有限公司 | Detection device and method |
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2007
- 2007-11-13 CN CNU2007201949156U patent/CN201141550Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8162513B2 (en) | 2009-05-06 | 2012-04-24 | Foxsemicon Integrated Technology, Inc. | Illumination device with anti-glare plate |
| US8545062B2 (en) | 2009-12-08 | 2013-10-01 | Industrial Technology Research Institute | Light uniformization structure and light emitting module |
| TWI417484B (en) * | 2009-12-08 | 2013-12-01 | Ind Tech Res Inst | Uniforming-light structure and light-emitting module |
| TWI452231B (en) * | 2010-06-08 | 2014-09-11 | Automotive Res & Testing Ct | A lighting device withGPP brightening film |
| TWI514010B (en) * | 2012-12-17 | 2015-12-21 | Hon Hai Prec Ind Co Ltd | Optical lens and lighting element having same |
| CN104111544A (en) * | 2014-06-19 | 2014-10-22 | 京东方科技集团股份有限公司 | Illumination device |
| US9863599B2 (en) | 2014-06-19 | 2018-01-09 | Boe Technology Group Co., Ltd. | Lighting device |
| CN105301004A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Light source detection device |
| CN110045509A (en) * | 2019-03-14 | 2019-07-23 | 东莞市托普莱斯光电技术有限公司 | A kind of multiple views orientation naked eye 3D display device |
| CN110836761A (en) * | 2019-10-12 | 2020-02-25 | 深圳市裕展精密科技有限公司 | Detection device and method |
| CN110836761B (en) * | 2019-10-12 | 2022-05-06 | 深圳市裕展精密科技有限公司 | Detection device and method |
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