CN101684930A - Light-emitting diode lamp tube device - Google Patents

Abstract

The invention relates to a light-emitting diode lamp tube device, which comprises a light-emitting unit and a lamp tube. The lamp tube comprises a bright section with a radial section which is distinguished by the substrate and faces the light-emitting diode, the bright section is provided with at least one light-scattering part and at least one light-gathering part formed between the adjacent light-scattering parts, and the bright section is a continuous curved section with a larger central curvature and slower curvatures on two sides. The light scattering part is correspondingly arranged on a bright light area formed by the light emitting diode, and the light condensing part is correspondingly arranged on a weak light area formed by the light emitting diode, so that the brightness difference caused by the bright light area and the weak light area is reduced, the light can be uniform, the light is refracted out by more refraction angles, the whole luminous intensity can be improved, and the problem of glare can be effectively improved.

Description

Light-emitting diode lamp device

technical field

The invention relates to a lamp tube device, in particular to a lamp tube device of a light emitting diode which can effectively improve uniformity and reduce glare.

Background technique

Light-emitting diodes can save electricity when used in lighting equipment, and are brighter than ordinary fluorescent lamps, so they are very popular among consumers.

Please refer to FIG. 1 , which is a three-dimensional schematic diagram illustrating the structure of a conventional LED lamp device. The existing light-emitting diode lamp device 1 includes a light-emitting unit 11 and a lamp tube 12. The light-emitting unit 11 has a substrate 111 pierced through the lamp tube 12, and a plurality of electrical connections are arranged on the substrate in rows and rows. The light emitting diode 112 on the 111, and two conductors 113 electrically connected with the light emitting diode 112 to ground.

As mentioned above, the light-emitting diode lamp device 1 has a certain degree of brightness and intensity, but there is a serious glare problem, that is, when the user is using it, it is easy to be affected by the light generated by the light-emitting diode 112 The user's eyes are irritated, causing the user to feel uncomfortable and dizzy.

Please refer to FIG. 2 , which is a schematic diagram illustrating the light-emitting area of a conventional light-emitting diode. The reason for the above phenomenon is that the light generated by the light emitting diodes 112 is not evenly emitted along the peripheral surface of the light tube 12 like a general light tube, but each light emitting diode 112 will be in contact with the light when it emits light. Other light-emitting diodes 112 have overlapping bright light regions, that is, regions a, b and c as shown in FIG. Interference, only the bright light area of a single light emitting diode 112 is shown, and the b area represents that the light emitted by each light emitting diode 112 is interfered by the adjacent light emitting diode 112, so that the light of the two light emitting diodes 112 is superimposed and presents a brighter area, and area c represents that the light emitted by the light emitting diode 112 is interfered by the adjacent light emitting diode 112, so that the light of a plurality of light emitting diodes 112 is superimposed to present a brighter area, so through the a, b and The arrangement of the region c will cause the light emitting diode tube device 1 to have a darker light at the edge and a brighter light at the center of two adjacent light emitting diodes 112 .

In addition, between two adjacent light-emitting diodes 112, there is also a weak light area where less light is irradiated and no light is superimposed, that is, the d area shown in Figure 2, therefore, subject to the a, b, The distribution conditions of the areas c and d make the light emitted by the light emitting diode tube device 1 have uneven brightness and different intensity. In addition, the light of the light-emitting diode has strong directivity, which makes the user feel uncomfortable due to glare.

Please refer to FIG. 3 , which is a schematic cross-sectional view illustrating the appearance of the LED lamp tube in the Taiwan No. M330422 patent. The LED lamp disclosed in this patent case is roughly the same as the above-mentioned design, and is characterized in that, The lamp tube 12 has a plurality of arc-shaped protrusions 13 disposed on the inner surface of the lamp tube 12 and connected to each other.

And such design, although can make light pass through described bump 13, utilize the principle of convex lens, when making light pass through described bump 13, under multi-angle refraction, light is dispersed, because light-emitting diode lamp tube device 1 means that a plurality of light emitting diodes 32 emit light together, which inevitably presents a multi-focus structure. Therefore, the design still cannot effectively improve the uniformity, and there is still a phenomenon that the edge part is darker and the central part is brighter, so there is still an uncomfortable glare problem.

It can be seen that the above-mentioned existing light-emitting diode lamp device obviously still has inconvenience and defects in structure and use, and needs to be further improved urgently. In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and the general products do not have a suitable structure to solve the above-mentioned problems. This is obviously the relevant industry. urgent problem to be solved. Therefore, how to create a light-emitting diode lamp device with a new structure is one of the current important research and development topics, and has also become a goal that the industry needs to improve.

In view of the defects existing in the above-mentioned existing light-emitting diode tube devices, the inventor actively researches and innovates based on years of rich practical experience and professional knowledge in the design and manufacture of such products, and cooperates with the application of academic theories, in order to create a The light-emitting diode lamp device with a new structure can improve the general existing light-emitting diode lamp device, making it more practical. Through continuous research, design, and after repeated trial samples and improvements, the present invention with practical value is finally created.

Contents of the invention

The object of the present invention is to overcome the defects existing in the existing light-emitting diode lamp device, and provide a light-emitting diode lamp device with a new structure. The technical problem to be solved is that it can effectively improve the uniformity and reduce Glare, great for utility.

The purpose of the present invention and the solution to its technical problems are achieved by adopting the following technical solutions. A light-emitting diode tube device according to the present invention includes a light-emitting unit, the light-emitting unit includes a substrate, a plurality of light-emitting diodes electrically connected to the substrate, and two electrically connected to the substrate and A lead for making the light-emitting diode emit light after power supply; wherein: the light-emitting diode lamp device also has a long-shaped lamp tube for the light-emitting unit to pass through, and the lamp tube includes a radial section that is divided by the substrate and has a surface For the bright light section of the light emitting diode and a backlight section which is distinguished by the substrate and arranged opposite to the bright light section, the bright light section is a continuous curved section with a large central curvature and relatively gentle curvature on both sides, and has At least one arc-shaped light-scattering portion arranged corresponding to the light-emitting diodes, and at least one arc-shaped light-concentrating portion arranged between adjacent light-emitting diodes, the curvature of the light-concentrating portion is from the center of the bright light segment to the two sides The curvature of the astigmatism part gradually decreases from the center of the bright light segment to the two sides.

The purpose of the present invention and its technical problems can also be further realized by adopting the following technical measures.

Preferably, in the aforementioned light-emitting diode tube device, the light-scattering part of the bright light segment protrudes from the substrate toward the bright light segment, and the light-gathering part of the bright light segment is recessed from the bright light segment toward the substrate.

Preferably, in the aforementioned light-emitting diode lamp device, wherein the bright light section is connected to two ends of the backlight section by the light-collecting parts located on the outermost two sides of the bright light section.

Preferably, in the aforementioned light-emitting diode tube device, when the light-emitting diode of the light-emitting unit emits light, it will form a bright light area with the strongest light, and the light-collecting part with the largest curvature on the bright light section is corresponding to Set in the bright light area.

Preferably, in the aforementioned light-emitting diode lamp device, the bright light segment is respectively connected to two ends of the backlight segment by the light-diffusing parts located on the outermost two sides of the bright light segment.

Preferably, in the aforementioned light-emitting diode lamp device, when the light-emitting diode of the light-emitting unit emits light, a bright light area with the strongest light is formed, and the astigmatism part with the largest curvature on the bright light section is correspondingly arranged on the Bright area.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. It can be seen from the above that, in order to achieve the above purpose, the light-emitting diode lamp tube of the present invention includes: a light-emitting unit, and an elongated lamp tube.

The light-emitting unit includes a base plate, a plurality of light-emitting diodes electrically connected to the base plate, and two conductors electrically connected to the base plate and powered to make the light-emitting diodes emit light.

The lamp tube is used for the light-emitting unit to pass through, and includes a bright section separated by the substrate and facing the light-emitting diode in a radial section, and a backlight section separated by the substrate and arranged opposite to the bright section , the bright light segment is a continuous curved segment with a large central curvature and gentle curvature on both sides, and has at least one arc-shaped astigmatism part corresponding to the light emitting diode, and at least one astigmatism part arranged adjacent to the light-emitting diode The curvature of the light-gathering portion is gradually reduced from the center of the bright light segment to both sides, and the curvature of the astigmatism portion is gradually reduced from the center of the bright light segment to both sides.

By means of the above technical solution, the light-emitting diode lamp device of the present invention has at least the following advantages and beneficial effects: the present invention utilizes that the bright light section is a continuous curved section with a large central curvature and relatively gentle curvature on both sides, and then cooperates with the bright light The light-scattering part and the light-gathering part of the segment are connected and arranged corresponding to the bright light area of the light-emitting diode, so that when the light enters the lamp tube, the brightness difference of the refracted light can be reduced, and the light can be emitted evenly, thereby improving the overall Excellent luminous uniformity and intensity can effectively improve the problem of glare.

To sum up, the present invention relates to a light emitting diode lamp device, which includes a light emitting unit and a lamp. The lamp tube includes a bright light section which is divided by the base plate and faces the light-emitting diode in a radial section, and the bright light section has at least one light-scattering portion and at least one light-gathering portion formed between adjacent light-scattering portions, the light-emitting portion is formed between adjacent light-scattering portions, and The bright section is a continuous section with a large central curvature and gentle curvature on both sides. The light scattering part is correspondingly arranged on the bright light area formed by the light emitting diode, and the light concentrating part is correspondingly arranged on the weak light area formed by the light emitting diode, so as to reduce the light caused by the bright light area and the low light area. The difference in brightness makes the light uniform and refracts the light at more refraction angles, which can increase the overall luminous intensity and effectively improve the problem of glare. The present invention has the above-mentioned many advantages and practical value, it has great improvement no matter in product structure or function, has remarkable progress in technology, and has produced easy-to-use and practical effect, and compared with existing light-emitting diode lamp The tube device has enhanced outstanding functions, so it is more suitable for practical use, and it is a novel, progressive and practical new design.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

FIG. 1 is a schematic perspective view illustrating the structure of a conventional light-emitting diode lamp device.

FIG. 2 is a schematic diagram illustrating the light-emitting area of a conventional light-emitting diode.

FIG. 3 is a schematic cross-sectional view illustrating the appearance of the LED lamp in the Taiwan Patent No. M330422.

FIG. 4 is a schematic perspective view illustrating the structure of the first preferred embodiment of the LED lamp device of the present invention.

FIG. 5 is a schematic cross-sectional view illustrating details of the first preferred embodiment.

FIG. 6 is a schematic diagram illustrating the distribution of the light-scattering portion and the light-concentrating portion of the first preferred embodiment.

FIG. 7 is a schematic cross-sectional view illustrating the details of the second preferred embodiment of the LED lamp device of the present invention.

Detailed ways

In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, characteristics and features of the light-emitting diode lamp device proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. Efficacy, detailed as follows.

Through the description of the specific implementation mode, when the technical means and functions adopted by the present invention to achieve the predetermined purpose can be obtained a deeper and more specific understanding, but the accompanying drawings are only for reference and description, and are not used to explain the present invention be restricted.

Please refer to FIG. 4 , which is a three-dimensional schematic diagram illustrating the structure of the first preferred embodiment of the LED lamp device of the present invention. The LED lamp device 2 of the first preferred embodiment of the present invention includes a light emitting unit 3 and an elongated lamp tube 4 .

The above-mentioned light emitting unit 3 includes a base plate 31, thirty light emitting diodes 32 electrically connected to the base plate 31, and two light emitting diodes 32 electrically connected to the base plate 31 and powered to make the light emitting diodes 32 emit light. Leading piece 31.

In this embodiment, the light emitting diodes 32 are arranged at intervals, the interval is determined by the heat dissipation requirements of two adjacent light emitting diodes 32, and the number of rows and columns is determined by the required illuminance. In this embodiment, Ten in each column, arranged in three rows, the light emitting diodes 32 can also be arranged in different ways, and the relative number of the light emitting diodes 32 can also be changed, and the arrangement of the light emitting diodes 32 The number and quantity are technologies that can be easily converted by those skilled in the art, and are not the focus of discussion in this embodiment, so no further detailed description is given here.

Please refer to FIG. 5 , which is a schematic cross-sectional view illustrating the details of the first preferred embodiment. The above-mentioned lamp tube 4 is used for the light-emitting unit 3 to pass through, and includes a bright section 42 with a radial section separated by the substrate 31 and facing the light-emitting diode 32 , and a bright section 42 separated by the substrate 31 and opposite to the light-emitting diode 32 . The backlight segment 41 is provided with the bright light segment 42 .

Please refer to FIG. 4 , when the two conductors 31 are electrically connected and inserted into the lamp holder (not shown in the figure), each LED 32 will be energized, so that each LED 32 can emit light outwards. , so that the light is radiating in the outward direction, and there must be a little light going to the substrate 31. At this time, because the surface of the substrate 31 is not transparent and is coated with a reflective material, the light is on the surface of the substrate 31 Reflection occurs, so that the backlight segment 41 receives a very small amount of light to form a weak light area. On the contrary, the bright light segment 42 is not shielded by the substrate 31, so the light can be radiated outward. Since the backlight section 41 forms a weak light area, there is no need to change the design and structure of the backlight section 41 in this embodiment under the condition that there is little influence.

The bright section 42 is a continuous curved section with large central curvature and gentle curvature on both sides. It is in the form of a mathematical SINC function, and has a plurality of corresponding The light-scattering portion 421 disposed on the light-emitting diode 32 and a plurality of light-concentrating portions 422 formed on the outer peripheral surface of the bright light segment 42 and correspondingly connected to two adjacent light-scattering portions 421 .

Wherein, the astigmatism part 421 is protruded from the substrate 31 to the bright light section 42, presenting a convex arc shape, and its function is as the main lobe (Main lobe) of the SINC function in mathematics, and the curve amplitude of the main lobe is given by The angle of view of the light emitting diode 32 is determined and is the astigmatism part 421' with the largest curvature, while the astigmatism part 422" with a smaller curvature acts as a side lobe (Side lobes) function of the SINC function in mathematics, and the side lobes The range and number of light-emitting diodes 32 are determined by the angle of view of the light-emitting diodes 32; and the light-gathering portion 422 of the bright light segment 42 is recessed from the bright light segment 42 toward the substrate 31, presenting a concave arc shape, and according to the light-scattering portion 421 and The curve amplitude of the concentrating part 422 is divided into the concentrating part 422 ' with the largest curvature and the concentrating part 422 " with a smaller curvature; The small light-concentrating parts 422" are respectively connected to two ends of the backlight segment 41, so as to make the light-emitting diode tube device 2 have the function of spreading light in various directions.

Please refer to FIG. 5 and FIG. 6 at the same time. FIG. 6 is a schematic diagram illustrating the distribution of the light-scattering portion and the light-concentrating portion of the first preferred embodiment. When the light-emitting diode 32 is energized and irradiated, it forms three kinds of bright light areas with different intensities, and a weak light area. Two light-emitting diodes 32 irradiate and form a brighter region b after light superimposition, one has three light-emitting diodes 32 and forms a brighter c-region after light superposition, and four are respectively formed between the two light-emitting diodes 32 and receive less light Irradiated area d.

Therefore, the light scattering part 421 of the bright light section 42 is set corresponding to the bright light area formed by the light emitting diode 32, and the curvature of the light scattering part 421 is adjusted according to the intensity of the bright light area, so that the bright light section 42 The astigmatism part 421 with the largest upper curvature is correspondingly arranged in the c area of the bright light area, so that the light can be emitted to all directions uniformly at a larger refraction angle. The light part 422 is correspondingly arranged in the area a of the bright light area, and the curvature between the area a and the area c is arranged by the astigmatism part 421 ″ with a smaller curvature.

The light-collecting portion 422 of the bright light section 42 is set corresponding to the weak light area formed between the two light emitting diodes 32, that is, the d area in FIG. The low-light areas on both sides of the substrate 31 have weaker brightness than the low-light areas near the center of the substrate 31. Therefore, the light-concentrating part 422' with the largest curvature is correspondingly arranged at the light-scattering part with the largest curvature. On both sides of 421', the light concentrating part 422" with a smaller curvature is gradually tapered to both sides, so as to uniformly gather the light of the light emitting diode 32 to the light concentrating part 422, so that through the light scattering part 41 The combination with the light-concentrating part 42 forms that the overall shape of the bright section 42 after being horizontally straightened is a continuous section with a large central curvature and relatively gentle curvature on both sides, that is, the lines shown in Figure 6 6.

As mentioned above, according to the bright light area and the weak light area formed when the light-emitting diode 32 emits light, the light-scattering part 421 and the light-concentrating part 422 are provided correspondingly, and according to the bright light area and the weak light area, The weak light area forms the difference in brightness after the light is superimposed, adjust the curvature of the astigmatism part 421 and the light concentrating part 422, so that the light can be refracted evenly, and the overall luminous intensity can be improved, and the problem of glare can be effectively improved. .

Please refer to FIG. 6 and FIG. 7 at the same time. FIG. 7 is a schematic cross-sectional view illustrating the details of the second preferred embodiment of the LED tube device of the present invention. The light-emitting diode lamp device 2 of the second preferred embodiment of the present invention is substantially the same as the above-mentioned first preferred embodiment, the same place is that the light-emitting diode 32 device includes a light-emitting unit 3 and a lamp 4 , the difference is that: the light section 42 of the lamp tube 4 is connected to the two ends of the backlight section 41 with the astigmatism parts 421 located on the outermost two sides of the light section, and the upper curvature of the light section 42 is The largest light-collecting portion 422 is corresponding to the area c disposed in the bright light area.

In this embodiment, the light-emitting diode tube device 2 is made to have the function of concentrating light toward the center, and this embodiment is illustrated by the complementary symmetry diagram of the complex number coordinates of the first preferred embodiment in FIG. 5 , The reason why this embodiment exists is that the light emitting diodes 32 have different viewing angles and have the functions of this embodiment.

The light concentrating part 422 is set correspondingly according to the brightness distribution formed when the light emitting diode 32 emits light, so that the light concentrating part 422 with the largest curvature on the bright light section 42 corresponds to the c area, thereby achieving enhanced focusing. In addition, the astigmatism part 421 with the largest curvature on the bright light section 42 is arranged correspondingly to the weak light area, so as to guide a large amount of light into the bright light area.

To sum up the above, the light-emitting diode tube device 2 of the present invention uses the light-scattering portion 421 and the light-concentrating portion 422 of the bright light section 42 to be set corresponding to the bright light area and the weak light area formed by the light emitting diode 32, and according to the bright light The difference in luminance after superposition of light is formed between the low-light area and the low-light area, and the curvature of the astigmatism part 421 and the light-concentrating part 422 can be adjusted so that the light can be refracted evenly and the overall luminous intensity can be improved, thereby effectively improving the problem of glare. , so the purpose and effect of the present invention can really be achieved.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all the content that does not depart from the technical solution of the present invention, according to the present invention Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence still belong to the scope of the technical solution of the present invention.

Claims (6)

1, a kind of light-emitting diode lamp tube device, comprise a luminescence unit, this luminescence unit comprises that a substrate, a plurality of ground connection that is electrically connected are arranged at the light emitting diode on this substrate, and two be electrically connected that ground connection is arranged on this substrate and power supply after make the lead piece of described lumination of light emitting diode; It is characterized in that:

This light-emitting diode lamp tube device also has a microscler fluorescent tube that supplies this luminescence unit to wear, this fluorescent tube comprises that a radial section distinguished and regarded to the light section of described light emitting diode by this substrate, and backlight section of distinguishing by this substrate and being provided with in contrast to this light section, this light section is to be the continuous tune that central curvature is big and the both sides curvature is slow, and has at least one correspondence in described light emitting diode setting and be the astigmatic portion of arcuation, and at least one light collecting part that is arranged between adjacent astigmatic portion and is arcuation, the curvature of described light collecting part is to be eased up gradually by these light section mediad both sides, and the curvature of described astigmatic portion is to be eased up gradually by these light section mediad both sides.

2, light-emitting diode lamp tube device as claimed in claim 1, the astigmatic portion that it is characterized in that wherein said light section is protruded to this light section by this substrate, and the light collecting part of this light section is to this substrate depression by this light section.

3, light-emitting diode lamp tube device as claimed in claim 2 is characterized in that wherein said light section is to be connected with these two ends of backlight section respectively with the light collecting part that is positioned at outermost both sides on this light section.

4, light-emitting diode lamp tube device as claimed in claim 3, when it is characterized in that the described lumination of light emitting diode of wherein said luminescence unit, can form highlighting light zone, supplying the light collecting part of curvature maximum on this light section is that correspondence is arranged at this light zone.

5, light-emitting diode lamp tube device as claimed in claim 2 is characterized in that wherein said light section is to be connected with these two ends of backlight section respectively with the astigmatic portion that is positioned at outermost both sides on this light section.

6, light-emitting diode lamp tube device as claimed in claim 5, when it is characterized in that the described lumination of light emitting diode of wherein said luminescence unit, be formed with highlighting light zone, the astigmatic portion of curvature maximum is that correspondence is arranged at this light zone on this light section.

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