TWI576535B - Side light type luminous lamps - Google Patents

Description

Sidelight luminaire

The present invention relates to an edge-lit illuminating lamp, and particularly to an edge-lit illuminating module having at least three directions of light exiting, and the overall structure capable of emitting an axis symmetrical at a 0 degree angle.

Generally, the relative position of the light source and the light-emitting surface of the common light-emitting module structure can be divided into a direct-lit light-emitting module and a side-lighting light-emitting module, and the main concept of the direct-lit light-emitting module design is to meet the demand for higher brightness. The light source is directly placed under the liquid crystal panel, and after being reflected by the reflecting plate, the light is evenly dispersed and emitted in the front side. It has the characteristics of high light extraction efficiency, fewer components and thicker module thickness. The edge-lighting module is configured to place the light source on the edge of the light-emitting module, and when the light enters the light-guiding plate, the light is guided to the light-emitting surface by the printed dot or microstructure at the bottom. It is commonly used in small and medium-sized lighting modules below 18 inches, such as notebook computers, desktop computers and mobile devices.

Since most of the above-mentioned planar light source modules are used for lighting purposes, the light-emitting module inside the lamp device mainly has a light source, a light guide plate, a diffusion sheet and the like, wherein the light guide plate mainly passes light guide The light incident surface of the light plate enters the light guide plate, and the light is guided to change the light conduction path to guide the light out of the light guide plate, so that the total reflection of the light is mainly provided by the bottom of the light guide plate with a reflective structure, usually The reflective structure utilizes microstructures or dots, etc., the main purpose of which is to The line leads to the light surface.

In the prior art, both the direct-lit light-emitting module structure and the edge-lighted light-emitting module structure have a single light-emitting surface as the main light-emitting structure, and the conventional light-emitting structure concentrates the light source on one surface to emit light, so the conventional light-emitting mode The group structure has almost no structure that utilizes a plurality of light-emitting surfaces at the same time, and the conventional light-emitting module structure has not yet put forward any ideas and concepts on how to combine a plurality of light guide plate structures.

Therefore, the present invention is directed to the above-mentioned deficiencies, and on the one hand, the conventional light-emitting module structure has only one light-emitting surface, and the present invention improves the edge-lighting light-emitting device with at least three directions of light-emitting surface, compared with The traditional light-emitting module structure also has two light-emitting surfaces, so that the light-emitting module structure of the invention has better light performance. On the other hand, the side-lighting light-emitting lamp can combine a plurality of light-guide plate structures to make the overall side light. The brightness of the light source emitted by the illuminating lamp can be improved, and the optical mode can be axisymmetric at an angle of 0 degrees, which is an invention with advancement and novelty.

The main purpose of the present invention is to provide a side-lighting illuminating lamp, which is disposed on a lamp holder by using a side light illuminating module, wherein the side illuminating module has a first illuminating surface and a second illuminating surface. And a third illuminating surface, so that the overall structure can emit light in at least three directions, and emits an optical pattern that is axisymmetric at an angle of 0 degrees.

A secondary object of the present invention is to provide an edge-lit light-emitting device, wherein the edge-lit light-emitting module further includes at least one light source and a first light guide plate, and the light source emits a light to the first light guide plate, so that The first light guide plate emits light to the first light emitting surface, the second light emitting surface and the third light emitting surface.

A secondary object of the present invention is to provide an edge-lit illuminating lamp, wherein the side light The light-emitting module further includes at least one light source, a first light guide plate and a second light guide plate, the second light guide plate is disposed on one side of the first light guide plate, and the light source is disposed on the first light guide plate and the light guide plate One side of the second light guide plate, the light source emits a light to the first light guide plate and the second light guide plate, so that the first light guide plate and the second light guide plate emit light to the first light exit surface, The second light emitting surface and the third light emitting surface.

In order to achieve the above-mentioned purpose and effect, the present invention is an edge-lit illuminating lamp, which mainly has a one-side light-emitting module and a lamp holder, and the side-light-emitting module is set on one side. a light emitting surface, the first light emitting surface is opposite to a second light emitting surface, and a top surface of the side light emitting module is a third light emitting surface; and the lamp socket is disposed on the side light emitting module Bottom surface.

Furthermore, the edge-lit light-emitting module further includes: at least one light source and the first light guide plate, the first light guide plate has at least one light-incident surface, the light source is disposed on one side of the light-incident surface, and The other side adjacent to the light incident surface is the first light emitting surface, the opposite surface of the first light emitting surface is the second light emitting surface, and the top surface of the first light guiding plate is the third light emitting surface .

Further, a second light guide plate is disposed, and the second light guide plate is disposed on one side of the first light guide plate.

1‧‧‧Side-light lighting module

A‧‧‧The first glazing

B‧‧‧second glazing

C‧‧‧The third glazing

10‧‧‧ lamp holder

110‧‧‧ accommodating space

20‧‧‧First light guide

200‧‧‧Into the glossy

210‧‧‧First non-lens structural surface

220‧‧‧Second non-mirror structure surface

230‧‧‧ third non-specular structural surface

240‧‧‧ fourth non-specular structural surface

250‧‧‧ fifth non-mirror structural surface

260‧‧‧Mirror surface

30‧‧‧Light source

31‧‧‧Light source

310‧‧‧Light

40‧‧‧Second light guide

400‧‧‧Into the glossy side

60‧‧‧shade

70‧‧‧ drive

1A is a perspective view of a side-lighting illuminating lamp according to a first embodiment of the present invention; FIG. 1B is a cross-sectional view showing a side-light illuminating lamp according to a first embodiment of the present invention; ; 1C is a schematic diagram of a light path of a side-lighting illuminating lamp according to a first embodiment of the present invention; FIG. 1D is a ray path of a side-lighting illuminating lamp according to a first embodiment of the present invention; FIG. 1 is a schematic view showing the non-mirror structure of the edge-light type illuminating lamp of the first embodiment of the present invention; FIG. 2A is a side-light type illuminating lamp of the second embodiment of the present invention; FIG. 2 is a cross-sectional view showing a side-light type illuminating lamp according to a second embodiment of the present invention; and FIG. 2C is a side-light illuminating method according to a second embodiment of the present invention; Schematic diagram of the light path of the luminaire; FIG. 2D is a schematic view showing the inner non-mirror structure of the side-light illuminating lamp of the second embodiment of the present invention; FIG. 2E is a second embodiment of the present invention Schematic diagram of the non-mirror structure of the side light type illuminating lamp; the second F picture: which is a schematic view of the inner mirror structure of the side light type illuminating lamp of the second embodiment of the present invention; The lampshade of the side light type illuminating lamp of the third embodiment a schematic view of the side light illuminating lamp of the third embodiment of the present invention; A schematic cross-sectional view.

In order to give the reviewers a better understanding and understanding of the features and the efficacies of the present invention, the preferred embodiments and the detailed description are as follows: in view of the prior art, traditional sidelights Most of the illuminating modules emit light on a single illuminating surface, and there is no case of using a plurality of illuminating surfaces to emit light. However, the conventional illuminating illuminating module does not have a structure in which a plurality of light guiding plates are combined. Therefore, the present invention is directed to The conventional structure is improved, and a side light type illuminating lamp having at least three illuminating surfaces is invented, and further, the illuminating lamp of the present invention can further combine a plurality of light guiding plate structures, and the combined structure of the light guiding plates can emit axis symmetry. Light mode at 0 degree angle, increasing light efficiency and light uniformity.

Please refer to FIG. 1A to FIG. 1E, which are schematic diagrams of the stereoscopic, cross-sectional, ray path and non-mirror structure of the edge-lighting illuminating lamp according to the first embodiment of the present invention; as shown, the present invention The illuminating light-emitting module 1 includes a first light-emitting surface 1 and a second light-emitting surface B, and a second light-emitting surface A and a light-emitting surface The third light exit surface C.

As described above, the side light-emitting module 1 is disposed on one side as the first light-emitting surface A, and the first light-emitting surface A is opposite to the second light-emitting surface B, and the side-light-emitting module 1 The top surface of the light-emitting module 1 is disposed on the bottom surface of the side-lighting module 1 , wherein the side-lighting module 1 emits light in at least three directions, and A light pattern that is axisymmetric at an angle of 0 degrees is emitted.

Further, the edge light type lighting module 1 of the present invention further comprises: at least one light source And a first light guide plate 20 having at least one light incident surface 200 disposed on one side of the light incident surface 200 and adjacent to the light incident surface 200 For the first light-emitting surface A, the opposite surface of the first light-emitting surface A is the second light-emitting surface B, and the top surface of the first light-guide plate 20 is the third light-emitting surface C, and the lamp holder 10 is disposed. On the bottom surface of the first light guide plate 20, wherein the light source 30 is a light emitting diode, and the light source 30 has an illumination angle of between 110 degrees and 120 degrees. In addition, a driver 70 is further disposed to drive the driver The 70 is disposed in an accommodating space 110 inside the socket 10 to provide a driving power required for the light source 30.

The light source 30 of the present invention emits a light ray 310 (refer to the first C picture and the first D picture), and the light ray 310 directly faces the first light emitting surface A, the second light emitting surface B and the third light emitting surface C. The light is directly irradiated to the bottom of the first light guide plate 20, the base of the first light guide plate 20 is provided with the lamp holder 10, and the lamp holder 10 is a reflective structure, and the light 310 is received by the light. The reflection of the seat 10 causes the light ray 310 to illuminate the first illuminating surface A, the second illuminating surface B and the third illuminating surface C, so that the side light illuminating module structure of the present invention has the effect of three sides emitting light, and The light pattern emitted by the light 310 is axisymmetric at an angle of 0 degrees.

Further, a first non-mirror structure surface 210 and a second non-mirror structure surface 220 are disposed. The first non-mirror structure surface 210 is disposed on the first light-emitting surface A of the first light guide plate 20, and the first The second non-specular structure surface 220 is disposed on the second light-emitting surface B on the other side of the first light guide plate 20, wherein when the light ray 310 is irradiated to the first non-mirror structure surface 210 and the second non-mirror structure 220, The phenomenon of diffuse reflection, diffuse reflection, and specular reflection is to destroy the total reflection so that the light 310 does not lose part of the light energy due to the total reflection of the light in the first light guide plate 20.

Please refer to FIG. 2A to FIG. 2F together, which is a second embodiment of the present invention. A side view, a light path, an inner and outer non-mirror structure, and an inner mirror structure are shown in the figure; the side light type light emitting module 1 of the present invention further includes a second light guide plate 40. The second light guide plate 40 is disposed side by side on one side of the first light guide plate 20, and the second light guide plate has at least one light incident surface 400.

As described above, the light source 30 is disposed on one side of the light incident surface 400 of the second light guide plate 40. The light source 30 is not limited to the light incident across the first light guide plate 20. The light source 30 is disposed between the surface 200 and one side of the light incident surface 400 of the second light guide plate 40 (not shown), or is disposed on the light incident surface 200 of the first light guide plate 20, and Another light source 31 is disposed on one side of the light incident surface 400 of the second light guide plate 40. The second embodiment of the present invention is described below with two light sources 30 and 31.

The light source 310 is emitted by the light sources 30 and 31, and the light rays 310 are respectively incident on the first light guide plate 20 and the second light guide plate 40 via the light incident surfaces 200 and 400. The illumination is the same as that of the first embodiment, and the difference is that a part of the light ray 310 in the first light guide plate 20 and a portion of the light ray 310 in the second light guide plate 40 are mutually transmitted to the first light guide plate 20 . Between the second light guide plate 40 and the light ray 310 reflected in the first light guide plate 20 and the second light guide plate 40, respectively, the first light exit surface A, the second light exit surface B and the third The light-emitting surface C is irradiated so that the light pattern of the light ray 310 emitted by the light-emitting surface of the three directions is axisymmetric at an angle of 0 degrees. In other words, please refer to the second C-picture, the first light guide plate 20 and the second light guide. The light ray 310 of the light plate 40 is symmetric with respect to the Z axis, and the Z axis is perpendicular to the top surface of the first light guide plate 20 and the second light guide plate 40. The overall brightness uniformity of the side light type illuminating lamp of the present invention Better with light.

The present invention further provides at least one third non-specular structure surface 230 disposed adjacent to the first light guide plate 20 and the second light guide plate 40 The third non-specular structure surface 230 is disposed on the adjacent sides of the first light guide plate 20 and the second light guide plate 40 (as shown in FIG. 2D). When the light 310 is irradiated to the third non-specular structure surface 230, diffuse reflection, diffuse reflection, and specular reflection may occur, that is, the manner of destroying the total reflection, so that the light 310 is not received by the first light guide plate 20 Or the light in the second light guide plate 40 is totally reflected to lose part of the light energy.

Further, a fourth non-mirror structure surface 240 and a fifth non-mirror structure surface 250 are disposed, and the fourth non-mirror structure surface 240 is disposed on the first light-emitting surface A of the second light guide plate 40, and the The fifth non-mirror structure surface 250 is disposed on the second light-emitting surface B of the first light guide plate 20, and the fourth non-mirror structure surface 240 and the fifth non-mirror structure surface 250 are equivalent to the third non-mirror surface. The structural surface 230 has a destructive total reflection effect, and therefore will not be described again.

Further, at least one mirror structure surface 260 is disposed on at least one side adjacent to the first light guide plate 20 and the second light guide plate 40, or the mirror structure surface 260 is simultaneously disposed on the mirror surface The two sides of the first light guide plate 20 and the second light guide plate 40 (as shown in FIG. 2F), wherein when the light ray 310 is irradiated on the mirror structure surface 260, total reflection is generated, so that the first light guide plate 20 The light ray 310 in the light guide plate 20 is outwardly reflected toward the second light exit surface B and a portion of the third light exit surface A of the first light guide plate 20, so that the light ray 310 is outwardly scattered into a fan-shaped light type; The light ray 310 in the second light guide plate 40 is outwardly reflected toward the first light exit surface A and a portion of the second light guide surface 40 of the second light guide plate 40, so that the light ray 310 is outwardly scattered into another half fan type. The light pattern is such that the light ray 310 emitted by the side light-emitting luminaire as a whole is optically symmetrical with respect to 0 degree.

According to the above, the first light guide is arranged in the manner of setting the mirror structure surface 240 as described above. The light ray 310 in the board 20 is not transmitted through the second light guide plate 40, and the light energy is lost during transmission, and the light ray 310 of the second light guide plate 40 is not transmitted to the first light guide. In the light plate 20, the loss of light energy during transmission is caused, that is, the light energy is not wasted in the other light guide plate, and the light ray 310 is concentrated on the first light exit surface A, The second light-emitting surface B and the third light-emitting surface C enhance the brightness of the entire side-light-emitting module structure, and emit an optical pattern that is axially symmetric with respect to an angle of 0 degrees, and the side-light type The overall brightness and uniformity of the illuminating lamps are good.

Furthermore, the non-mirror structure surfaces 210, 220 and 230 and the mirror structure surface 240 of the present invention can be arranged in accordance with the needs of the user, and the above structure is only required for the first light guide plate. The symmetrical arrangement between the 20 and the second light guide plate 40 can achieve an axis symmetry of 0 degree angle which is generally emitted.

Please refer to FIG. 3A and FIG. 3B respectively, which are schematic diagrams and cross-sectional views of the panel lampshade structure of the edge-lit illuminating lamp according to the third embodiment of the present invention; as shown in the figure, the present invention further sets a lamp cover 60 is disposed on the first light guide plate 20 and the second light guide plate 40. The lamp cover 60 and the lamp holder 10 form a closed structure, and further, a pattern and a text are arranged on the surface of the lamp cover 60. Or the symbol is beautiful, decorative or to convey the message. In addition, the lampshade 60 is a light-transmitting material, and the light-transmitting material is PC, PMMA, PS, PET, etc., and may be additionally doped with diffusion particles or processed microstructures. To improve the optical uniformity and change the light distribution curve, the lampshade 60 of the present invention can be changed and replaced according to the needs of the user.

In summary, the present invention is an edge-lit illuminating lamp, which mainly includes: the edge-lighting illuminating module 1 and the lamp holder 10, the side-lighting illuminating module 1 is disposed on one side to be the first illuminating light. Face A, the first light exit surface A is opposite to the second light exit surface B, and the side light pattern is emitted The top surface of the optical module 1 is a third light-emitting surface C, and the lamp holder 10 is disposed on the bottom surface of the side-lighting light-emitting module 1. According to the above structure, the present invention has at least three directions of light-emitting surfaces. The light 310 emitted by the overall structure can be axisymmetric to the light pattern of 0 degree angle.

Therefore, the present invention is a novelty, progressive and available for industrial use. It should be in accordance with the patent application requirements of the Chinese Patent Law. It is undoubtedly the invention patent application, and the Prayer Council will grant the patent as soon as possible. .

However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that the shapes, structures, features, and spirits described in the claims of the present invention are equally changed. Modifications are intended to be included in the scope of the patent application of the present invention.

10‧‧‧ lamp holder

110‧‧‧ accommodating space

20‧‧‧First light guide

A‧‧‧The first glazing

B‧‧‧second glazing

C‧‧‧The third glazing

310‧‧‧Light

70‧‧‧ drive

Claims (8)

An edge-lit illuminating lamp comprising: a side light-emitting module comprising at least one light source and a first light guide plate, the first light guide plate having at least one light-incident surface, the light source being disposed on the light-incident surface On one side, and the other side adjacent to the light incident surface is a first light emitting surface, the first light emitting surface is opposite to a second light emitting surface, and the top surface of the first light guiding plate is set to a first surface a light-emitting surface is disposed on a bottom surface of the side-lighting light-emitting module; and a driver is disposed in an accommodation space inside the lamp socket to provide a driving power required for the light source. The side-lighting illuminating device of claim 1, wherein the first illuminating surface and the second illuminating surface are respectively provided with a first non-specular surface and a second non-special surface. The second light guide plate is further disposed on the side of the first light guide plate, and the second light guide plate has an inlet. The light source is disposed across the light incident surface of the first light guide plate and one side of the light incident surface of the second light guide plate. The second light guide plate is further disposed on the side of the first light guide plate, and the second light guide plate has an inlet. The light surface is disposed on one side of the light incident surface of the second light guide plate. The edge-lit illuminating lamp of claim 1, further comprising a non-mirror structure surface, wherein the non-mirror structure surface is disposed on the first light guide plate and the second guide The light board is adjacent to at least one side position. The edge-lighting illuminating device of claim 1, further comprising a mirror-structured surface disposed at least one side adjacent to the first light-guiding plate and the second light-guiding plate. The sidelight type illuminating lamp of the first aspect of the invention is further provided with a lamp cover, the lamp cover is disposed on the side light type illuminating module, and the lamp cover forms a closed structure with the lamp holder. The sidelight type illuminating lamp of claim 7, wherein the lamp cover is provided with a pattern, a character or a symbol on the surface thereof, and the lamp cover is a permeable material of PC, PMMA, PS or PET.