TWM507528U - Illumination device - Google Patents

Abstract

An illumination device includes at least one light emitting element, a supporting base, and at least one support coupled to the supporting base. The at least one light emitting element includes a transparent substrate and a plurality of light emitting diode (LED) structures. The transparent substrate has a support surface and a second main surface disposed opposite to each other. At least some of the LED structures are disposed on the support surface and form a first main surface where light emitted from with at least a part of the support surface without the LED structures, wherein light emitted from at least one of the LED structures passes through the transparent substrate and emerges from the second main surface. The light emitting element is disposed on the support, and at least a part of the support is inclined inward or outward relative to a central axis of the supporting base.

Description

Lighting device

The present invention relates to a lighting device, and more particularly to a lighting device comprising a light-emitting element that emits at least two sides.

The light emitted by the light emitting diode (LED) itself is a light source with directivity. It is not a conventional light source as a divergent light source, and thus it is limited in application. For example, conventional light-emitting diodes are difficult to provide or even provide the illumination effects required for indoor or outdoor lighting fixtures. In addition, the conventional light-emitting diode lighting device can emit light only on one side, and thus the illumination efficiency is not high.

In order to improve the disadvantages and limitations of the prior art, the present invention provides a lighting device comprising at least one light-emitting element, a carrier and a support coupled to the carrier. The light emitting element comprises a transparent substrate and a plurality of light emitting diode structures. The transparent substrate has a bearing surface and a second main surface, and the bearing surface and the second main surface are disposed opposite to each other. The plurality of light emitting diode structures are disposed on the bearing surface, and the bearing surface forms a first main surface that can emit light, and a portion where the light emitting diode structure is not disposed. Light emitted by at least one of the plurality of light emitting diode structures passes through the transparent substrate and is emitted by the second main surface. The illuminating element is disposed on the support member, and at least a portion of the support member is inclined inward or outward with respect to a central axis of the carrier.

In a lighting device according to a preferred embodiment of the present invention, the light-emitting element has a first angle with the carrier, and the angle of the first angle is between 45 degrees and 75 degrees.

In a lighting device of another preferred embodiment of the present invention, the support member further includes a first connecting portion and a second connecting portion, and the second connecting portion is disposed on the carrying base, wherein the first connecting portion is connected to The second connecting portion has a second angle with the second connecting portion.

A lighting device according to still another preferred embodiment of the present invention, wherein the first connecting portion extends outwardly with respect to the central axis of the carrier, and the angle of the second angle is between 135 degrees and 175 degrees.

A lighting device according to another preferred embodiment of the present invention, wherein the first connecting portion extends axially with respect to the center of the carrier, and the angle of the second angle is between 5 degrees and 45 degrees.

A lighting device according to another preferred embodiment of the present invention, wherein the second connecting portion has a third angle with the carrier, and the angle of the third angle is between 45 degrees and 85 degrees.

A lighting device according to another preferred embodiment of the present invention, wherein the support member has an arcuate structure.

A lighting device according to still another preferred embodiment of the present invention, wherein the arc-shaped structure has an arc radius of between 10 mm and 200 mm, and a center position of the arc-shaped structure is near or away from the central axis of the carrier.

A lighting device according to another preferred embodiment of the present invention, wherein the support member is a parabolic structure or an elliptical structure.

1, 310‧‧‧Lighting elements

2‧‧‧Transparent substrate

3, 14‧‧‧Lighting diode structure

4‧‧‧ energy conversion layer

5, 26, 324‧‧‧ bearing seat

6‧‧‧ circuit board

7‧‧‧shade

8‧‧‧Mirror

9,25‧‧‧Drilling carbon film

10, 10', 11, 50, 301, 302, 303, 304, 305, 306, 307‧‧‧ lighting devices

12M‧‧‧ non-planar structure

16, 31A‧‧‧ first electrode

18, 31B‧‧‧ second electrode

20, 23A‧‧‧First connecting wire

21A‧‧‧ first major surface

21B‧‧‧Second major surface

22, 23B‧‧‧ second connecting wire

28‧‧‧ wafer bonding layer

28A‧‧‧First wafer bonding layer

28B‧‧‧Second wafer bonding layer

30, 32‧‧‧ electrodes

34‧‧‧Lighting surface

51, 62, 321 ‧ ‧ support

52, 63‧‧‧ component joint layer

60‧‧‧Loading mechanism

61‧‧‧ slots

141‧‧‧Base

142‧‧‧N type semiconductor layer

143‧‧‧ active layer

144‧‧‧P type semiconductor layer

210‧‧‧ bearing surface

311A‧‧‧First connection electrode

311B‧‧‧Second connection electrode

322‧‧‧Device base

330, G‧‧‧ gap

342‧‧‧ Strip

D‧‧‧Distance

D1‧‧‧ central axis

H‧‧‧ Hole

L‧‧‧Light

P‧‧‧ circuit pattern

V+, V-‧‧‧ drive voltage

Θ1‧‧‧ first angle

Θ2‧‧‧second angle

Θ3‧‧‧ third angle

1 and 2 are schematic views showing the structure of a light-emitting element of a preferred embodiment of the present invention.

3 to 5 are schematic views showing a preferred embodiment of the present invention in which different types of LED structures 3 are coupled to wires.

6 and 7 illustrate schematic diagrams of the arrangement of the energy conversion layer of a preferred embodiment of the present invention.

Figure 8 is a cross-sectional view showing a light-emitting element of another preferred embodiment of the present invention.

Figure 9 is a cross-sectional view showing a light-emitting element of another preferred embodiment of the present invention.

FIG. 10 is a perspective view showing a light-emitting element of another preferred embodiment of the present invention.

Figure 11 is a schematic view showing a carrier of a preferred embodiment of the present invention.

FIG. 12 is a schematic view showing a carrier and a circuit board according to a preferred embodiment of the present invention.

Figure 13 is a schematic view showing a mirror of a preferred embodiment of the present invention.

Figure 14 is a schematic view showing a carbon film of a preferred embodiment of the present invention.

Figure 15 is a schematic view showing a lighting device of a preferred embodiment of the present invention.

FIG. 16 is a schematic view showing the appearance of a lighting device according to another preferred embodiment of the present invention.

FIG. 17 is a schematic diagram showing the appearance of a lighting device according to another preferred embodiment of the present invention.

18 to 20 are schematic views showing the insertion or bonding of a transparent substrate of a preferred embodiment of the present invention to a carrier.

21 and 22 illustrate a schematic view of a transparent substrate of a preferred embodiment of the present invention bonded to a carrier having a support member.

Figure 23 is a perspective view showing a lighting device of another preferred embodiment of the present invention.

Figure 24 is a perspective view showing the base of the device of the lighting device of another preferred embodiment of the present invention.

Figure 25 is a perspective view showing a lighting device of another preferred embodiment of the present invention.

Figures 26 to 29 illustrate a preferred embodiment of the present invention in a point symmetry or line symmetry row A top view of the column of transparent substrates on the support mechanism.

Figure 30 is a schematic view showing a lighting device of another preferred embodiment of the present invention.

31 and 32 illustrate schematic views of a lampshade of a preferred embodiment of the present invention.

33 to 37 are schematic views of lighting devices of different embodiments of the present invention.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 and FIG. 2 are schematic diagrams showing the structure of a light-emitting element 1 according to a preferred embodiment of the present invention. As shown in FIG. 1 and FIG. 2, the light-emitting element 1 includes a transparent substrate 2, a bearing surface 210, a first major surface 21A, a second major surface 21B, and at least one multi-directional light emitting diode. Body structure 3. Among them, the transparent substrate 2 which is a flat sheet shape itself has two main surfaces, and any one of the main surfaces may be the bearing surface 210. A light-emitting diode structure 3 having a light-emitting function is disposed on the bearing surface 210, and the light-emitting diode structure 3 is not shielded by the transparent substrate 2 from one of the light-emitting surfaces 34, and at least a portion of the light-emitting diode structure 3 is not disposed. The bearing faces 210 collectively form a first major surface 21A that is illuminable. The other main surface of the transparent substrate 2 not provided with the light emitting diode structure 3 is the second main surface 21B. The foregoing configuration may be reversed, and the light emitting diode structure 3 may also be disposed on both surfaces of the transparent substrate 2. In other embodiments, the light emitting diode structure 3 of the bearing surface 210 is arranged in a staggered manner corresponding to the light emitting diode structures 3 disposed on the second main surface 21B, so that the light emitting diode structures 3 on the respective surfaces emit light. The light can smoothly penetrate the transparent substrate 2 and emit light from the other surface without being shielded by the light-emitting diode structure 3 on the other surface to increase the luminous intensity (brightness) per unit area. The transparent substrate 2 may be made of sapphire, ceramic, glass, plastic or rubber, and may contain aluminum oxide (Al2O3), magnesium oxide, cerium oxide, cerium oxide, cerium oxide, cerium oxide, lead zirconate titanate, gallium arsenide. One of the elements such as zinc sulfide, zinc selenide, calcium fluoride, magnesium fluoride, lanthanum carbide (SiC) or a polymer thereof. Among them, one of the preferred embodiments of the present invention uses a sapphire substrate because the material is substantially a single crystal structure, which not only has good light transmittance, but also has good heat dissipation capability, and can extend the life of the light-emitting element 1; The sapphire substrate has the problem of fragility in this creation. Therefore, the creation of this transparent substrate 2 is preferably thick. The sapphire substrate is greater than or equal to 200 micrometers (um), so that better reliability can be achieved, and better carrying and light transmitting functions are achieved. At the same time, in order to effectively achieve the two-way or multi-directional or even omnidirectional light-emitting of the light-emitting element 1, the light-emitting diode structure 3 of the present invention is preferably selected to have a light-emitting angle greater than 180 degrees. As a result, the light-emitting surface 34 of the light-emitting diode structure 3 disposed on the transparent substrate 2 emits light away from the transparent substrate 2, and the light-emitting diode structure 3 emits light at least partially into the transparent substrate 2, and enters The light of the transparent substrate 2 may be emitted from the second main surface 21B of the transparent substrate 2 corresponding to the first main surface 21A, or may be emitted from the partial bearing surface 210 of the transparent substrate 2 where the light emitting diode structure 3 is not disposed. The light-emitting element 1 can emit light at least on both sides, emit light in multiple directions, or emit light in all directions. In the present creation, the area of the first main surface 21A or the second main surface 21B is five times or more the total area of the light-emitting surface 34, which is a preferable arrangement ratio in consideration of conditions such as luminous efficiency and heat dissipation.

In addition, another preferred embodiment of the present invention is that the color temperature difference between the first main surface 21A and the second main surface 21B of the light-emitting element 1 is equal to or less than 1500K, so that the light-emitting element 1 has a more uniform and uniform illumination effect. In the light transmission characteristic of the transparent substrate 2, when the wavelength range of the light emitted by the light emitting diode structure 3 is greater than or equal to 420 nm, and/or when the wavelength range of the light is less than or equal to 470 nm, the transparent Under the condition of the thickness of the substrate 2, the light transmittance of the transparent substrate 2 is greater than or equal to 70%.

This creation is not limited to the above embodiments. Other preferred embodiments of the present invention will be described in the following, and in order to facilitate the comparison of the different embodiments and simplify the description, the same components are denoted by the same symbols in the following embodiments, and mainly for each implementation. The differences between the examples are explained, and the repeated parts are not described again.

Please refer to FIG. 3 to FIG. 5 . FIG. 3 to FIG. 5 are schematic diagrams showing a preferred embodiment of the present invention in which different types of LED structures 3 are coupled to the wires 23A and 23B. Illuminate The diode structure 3 includes a first electrode 31A and a second electrode 31B. The first electrode 31A and the second electrode 31B are electrically connected to the first connecting wire 23A and the second connecting wire 23B on the transparent substrate 2, respectively. The third embodiment is a horizontal LED structure, wherein the LED structure 3 is formed on the bearing surface 210 of the transparent substrate 2, and the first electrode 31A and the second electrode 31B are electrically coupled by wire bonding. The first connecting wire 23A and the second connecting wire 23B; the fourth figure is a flip-chip light emitting diode structure, the light emitting diode structure 3 is inverted and the first electrode 31A and the second electrode 31B and the transparent substrate 2 are borrowed The first electrode 31A and the second electrode 31B are electrically coupled to the first connecting wire 23A and the second connecting wire 23B respectively by soldering or bonding; the fifth figure is the light emitting diode structure 3 The first electrode 31A and the second electrode 31B are disposed at both ends, and the first electrode 31A and the second electrode 31B are respectively disposed with the first connection electrode 23A and the second connection wire 23B in an upright manner. Connected.

Please refer to FIG. 6 and FIG. 7 . FIG. 6 and FIG. 7 are schematic diagrams showing the arrangement of the energy conversion layer 4 according to a preferred embodiment of the present invention. The light-emitting element 1 of the present invention may further include an energy conversion layer 4 selectively disposed on the first main surface 21A or/and the second main surface 21B or directly disposed on the LED structure 3. And it may be in direct contact with the light emitting diode structure 3 or adjacent to the light emitting diode structure 3 without a direct contact. The energy conversion layer 4 contains at least one phosphor powder, such as a garnet, sulfate or citrate inorganic or organic phosphor, to receive and convert at least part of the light emitted by the LED structure 3. The wavelength is another wavelength range. For example, when the light-emitting diode structure 3 emits blue light, the energy conversion layer 4 converts part of the blue light into yellow light, and causes the light-emitting element 1 to finally emit white light under the mixture of blue light and yellow light. In addition, since the light source of the first main surface 21A is mainly the light emitting surface of the light emitting diode structure 3, and the light source of the second main surface 21B is the light of the light emitting diode structure 3, the light emitted by the transparent substrate 2, two The light intensity of the surface is different, so another preferred embodiment of the present invention is that the phosphor powder content of the energy conversion layer 4 on the first main surface 21A and the second main surface 21B of the light-emitting element 1 is correspondingly configured, wherein the first The main surface 21A is on the phosphor powder on the second main surface 21B (or on the structure of the light emitting diode) The proportion of the phosphor powder to the phosphor powder on the second main surface 21B may preferably range from 1 to 0.5 to 1 to 3, so that the light intensity or shape of the light-emitting element 1 can meet the application requirements, and the light-emitting element can be made. The color temperature difference of the light emitted by the first main surface 21A and the second main surface 21B of 1 is equal to or less than 1500K, and the wavelength conversion efficiency and the light-emitting effect of the light-emitting element 1 are improved.

Please refer to Figure 8. Figure 8 is a cross-sectional view showing a light-emitting element 1 of another preferred embodiment of the present invention. As shown in FIG. 8, the light-emitting element 1 of the present embodiment includes a transparent substrate 2 and at least one light-emitting diode structure 14 that emits light in multiple directions. The transparent substrate 2 has a bearing surface 210 and a second main surface 21B disposed opposite to each other. The LED structure 14 is disposed on the bearing surface 210 of the transparent substrate 2, and the LED structure 14 includes a first electrode 16 and a second electrode 18 for external electrical connection. A light-emitting surface 34 of the light-emitting diode structure 14 that is not shielded by the transparent substrate 2 forms a first main surface 21A together with a portion of the load-bearing surface 210 that is not covered by the light-emitting diode structure 14.

The LED structure 14 can include a substrate 141, an N-type semiconductor layer 142, an active layer 143, and a P-type semiconductor layer 144. In this embodiment, the substrate 141 of the LED structure 14 can be adhered to the transparent substrate 2 by using a wafer bonding layer 28. The wafer bonding layer 28 is preferably used to adhere the light emitting diode structure 14. The refractive index of the wafer bonding layer 28 may be between the refractive index of the substrate 141 and the refractive index of the transparent substrate 2 in terms of material selection. Thereby, the amount of light can be increased. Additionally, the die attach layer 28 can be a clear adhesive or other suitable bonding material. The first electrode 16 and the second electrode 18 are disposed on the other side of the LED structure 14 opposite to the wafer bonding layer 28, and are electrically connected to the P-type semiconductor layer 144 and the N-type semiconductor layer 142, respectively. The connection relationship between the electrode 18 and the N-type semiconductor layer 142). The upper surface of the first electrode 16 and the second electrode 18 are at the same horizontal position and may be metal electrodes, but not limited thereto. In addition, the light-emitting element 1 further includes a first connecting wire 20, a second connecting wire 22, and an energy conversion layer 4. The first connecting wire 20 and the second connecting wire 22 are disposed on the transparent substrate 2. First connecting wire 20 and The two connecting wires 22 may be, for example, metal connecting wires or other conductive patterns, but are not limited thereto. The first electrode 16 and the second electrode 18 are respectively electrically connected to the first connecting wire 20 and the second connecting wire 22, and the connection manner can be by wire bonding or welding, but not limited thereto. The energy conversion layer 4 is disposed on the transparent substrate 2 and can cover the LED structure 14. Further, the energy conversion layer 4 can be further disposed and covered the second main surface 21B of the transparent substrate 2.

In addition, in order to increase the amount of light emitted from the transparent substrate 2 and to distribute the light distribution uniformly, the first main surface 21A and the second main surface 21B of the transparent substrate 2 may selectively have a non-planar structure 12M, respectively. The non-planar structure 12M may be a variety of convex or concave geometric structures, such as pyramids, cones, hemispheres, or triangular columns, and the arrangement of the non-planar structures 12M may be a regular arrangement or a random arrangement. Furthermore, a first diamond-like carbon (DLC) film 25 is selectively disposed on the first main surface 21A and the second main surface 21B for increasing heat conduction and heat dissipation.

Please refer to Figure 9. Figure 9 is a cross-sectional view showing a light-emitting element 1 of another preferred embodiment of the present invention. In the light-emitting element 1 of the present embodiment, the first electrode 16 and the second electrode 18 are disposed on the same surface of the light-emitting diode structure 14 as the first wafer bonding layer 28A. And electrically connected to the first connecting wire 20 and the second connecting wire 22 respectively by a flip chip. The first connecting wire 20 and the second connecting wire 22 may extend below the first electrode 16 and the second electrode 18, respectively, and the first electrode 16 and the second electrode 18 may be respectively connected by a second wafer bonding layer 28B. The first connecting wire 20 is electrically connected to the second connecting wire 22 . The second wafer bonding layer 28B may be a conductive bump such as a gold bump or a solder bump, a conductive glue such as a silver paste, or a eutectic layer. For example, a gold-tin (Au-Sn) alloy eutectic layer or an indium-bismuth-tin alloy (In-Bi-Sn alloy) eutectic layer, but not limited thereto. In the case where the second wafer bonding layer 28B is used, the first wafer bonding layer 28A under the LED structure 14 such as a transparent paste may be omitted or replaced by the energy conversion layer 4.

Please refer to FIG. 10, which illustrates a perspective view of a light-emitting element 310 according to another preferred embodiment of the present invention. As shown in FIG. 10, the light-emitting element 310 of the present invention comprises a transparent substrate 2, at least one light-emitting diode structure 3, a first connection electrode 311A, a second connection electrode 311B and at least one energy conversion layer 4. The light emitting diode structure 3 is disposed on the bearing surface 210 of the transparent substrate 2 to form one of the first main surfaces 21A. In this embodiment, one of the light-emitting diode structures 3 has a light-emitting angle greater than 180 degrees, and at least part of the light emitted by the light-emitting diode structure 3 is incident on the transparent substrate 2, and the incident light is at least partially corresponding. The second main surface 21B of one of the first main surfaces 21A emits light, and partially emits light from other surfaces of the transparent substrate 2, thereby achieving a luminous effect of six-sided illumination. The first connecting electrode 311A and the second connecting electrode 311B are respectively disposed on the two ends or the same side (not shown) of the transparent substrate 2, and are respectively a first connecting wire and a second connecting wire on the transparent substrate 2. Since the extended element is external to the electrode, the first connection electrode 311A and the second connection electrode 311B are electrically connected to the LED structure 3, respectively. The energy conversion layer 4 covers at least the light emitting diode structure 3 and exposes at least a portion of the first connection electrode 311A and the second connection electrode 311B, wherein the energy conversion layer 4 at least partially absorbs the light emitting diode structure 3 and/or the transparent substrate 2 The emitted light is converted into light of another wavelength range, and then mixed with the unabsorbed light to increase the light-emitting wavelength range and the light-emitting effect of the light-emitting element 310. Since the light-emitting element 310 of the present embodiment has the first connection electrode 311A and the second connection electrode 311B respectively disposed at opposite ends of the transparent substrate 2, the light-emitting element 310 can be fabricated by itself and then combined with a suitable carrier. Therefore, it is possible to improve the overall manufacturing yield, simplify the structure, and increase the design change of the mated seat.

Please refer to FIG. 11 , which illustrates a schematic view of a preferred embodiment of the carrier 5 of the present invention. An embodiment of the present invention is an illumination device 11 using the foregoing light-emitting elements, wherein the illumination device 11 can further include a carrier 5 such that the transparent substrate 2 of the light-emitting element can be erected or lie thereon and coupled to the carrier 5 And a first angle θ1 between the transparent substrate 2 and the carrier 5, the angle of the first angle θ1 may be fixed or mobilized according to the light shape of the illumination device, wherein the preferred embodiment An angle θ1 angle range is between 30 degrees and 150 degrees.

Please refer to FIG. 12, which shows a schematic diagram of a carrier 5 and a circuit substrate 6 according to a preferred embodiment of the present invention. The cradle 5 of the illuminating device 11 of the present invention may further include a circuit substrate 6 coupled to an external power source, and electrically coupled to the first connecting wire and the second connecting wire (not shown) on the transparent substrate 2, The electrical connection is electrically connected to the LED structure 3, so that the external power source supplies the power supply for the illumination of the LED structure 3 through the circuit substrate 6. If the circuit board 6 is not provided, the LED structure 3 can be directly connected to the carrier 5 through the first connecting wire and the second connecting wire (not shown), so that the external power source can be connected via the carrier 5 The light emitting diode structure 3 is powered.

Please refer to FIG. 13, which shows a schematic view of a mirror 8 of a preferred embodiment of the present invention. The illuminating device 11 of the present invention may further include a mirror 8 disposed on the second main surface 21B, the mirror 8 reflecting the light emitted by the LED structure 3 at least partially penetrating the transparent substrate 2, The light is at least partially altered by the first major surface 21A. The mirror 8 may include at least one metal layer or a Bragg reflector, but is not limited thereto. The Bragg mirror may be formed by stacking a plurality of dielectric films having different refractive indices, or by stacking a plurality of dielectric films having different refractive indices and a plurality of metal oxides.

Please refer to FIG. 14 , which illustrates a schematic view of a carbon film of a preferred embodiment of the present invention. The transparent substrate 2 of the illuminating device 11 of the present invention may further comprise a diamond-like carbon (DLC) film 9 which is disposed on the bearing surface 210 of the transparent substrate 2 and/or the second main On the surface 21B, to increase heat conduction and heat dissipation.

Please refer to Figure 15. Figure 15 is a schematic view showing a lighting device of a preferred embodiment of the present invention. As shown in FIG. 15, the lighting device 10 of the present embodiment includes a previous embodiment as The light-emitting element and a carrier 26, wherein the light-emitting element comprises a transparent substrate 2 and at least one light-emitting diode structure 14, and the light-emitting element is embedded in the carrier 26 through the connecting wires 20, 22 respectively The electrodes 30, 32 of the carrier are electrically connected, such that a power source can provide a driving voltage V+, V- through the electrodes 30, 32 to drive the LED structure 14 to emit light L. The light-emitting diode structure 14 includes a first electrode 16 and a second electrode 18 electrically connected to the first connecting wire 20 and the second connecting wire 22 by wire bonding, but is not limited thereto. In addition, the light emitting L emitted by the LED structure 14 has an exit angle greater than 180 degrees or has a plurality of light emitting surfaces, so that the light emitting direction of the light emitting element includes light from the first main surface 21A and the second main surface 21B, and part of the light is emitted. It is also emitted from the four sides of the light-emitting diode structure 14 and/or the transparent substrate 2, so that the illumination device 10 has six-sided illumination or omnidirectional light-emitting characteristics.

The light emitting element may further include an energy conversion layer 4 disposed on the light emitting diode structure 14, the first main surface 21A or the second main surface 21B. The energy conversion layer 4 can convert the light emitted by at least part of the LED structure 14 into light of another wavelength range, so that the illumination device 10 emits light of a specific light color or a wide wavelength range, for example, the LED structure 14 The generated partial blue light can be converted into yellow light after being irradiated to the energy conversion layer 4, and the illumination device 10 can emit white light mixed by blue light and yellow light. In addition, the transparent substrate 2 can be directly or indirectly fixed to the carrier 26 in a non-parallel manner and/or in a parallel manner. For example, the side wall of the transparent substrate 2 is fixed on the carrier 26 in a vertical manner, or the transparent substrate 2 is placed on the carrier 26, but not limited thereto. Since the transparent substrate 2 selects a material having good heat conduction characteristics, the thermal energy generated by the LED structure 14 can be quickly transmitted to the carrier 26 through the transparent substrate 2 for heat dissipation, so that the illumination device 10 of the present invention can use high power. The light-emitting diode structure, but the illumination device of the preferred embodiment is disposed on the transparent substrate 2 under the same power condition, and uses a plurality of light-emitting diode structures to fully utilize the heat conduction of the transparent substrate 2. The power system of the light-emitting diode structure 14 of the present embodiment may be less than, for example, 0.2 watts, but is not limited thereto.

Please refer to Figure 16. Fig. 16 is a view showing the appearance of a lighting device 10' according to another preferred embodiment of the present invention. In contrast to Fig. 15, the illumination device 10' of the present embodiment includes a plurality of light emitting diode structures 14, and at least a portion of the light emitting diode structures 14 are electrically connected to each other in series. Each of the LED structures 14 includes a first electrode 16 and a second electrode 18, and the first electrode 16 of the LED structure 14 at the head end of the series is electrically connected to the first connecting wire 20, and the tail The second electrode 18 of the other LED structure 14 is electrically connected to the second connecting wire 22, but not limited thereto, the LED structure 14 can also be electrically connected by parallel or series-parallel connection. The light emitting diode structure 14 of the present embodiment may be selected from a light emitting diode structure emitting the same color light, such as a blue light emitting diode structure, or a light emitting diode structure combining different color lights according to application requirements. The use of the energy conversion layer 4 in this case further increases the elasticity of the illumination device 10' to emit various light colors.

Please refer to Figure 17. FIG. 17 is a schematic diagram showing the appearance of a lighting device 50 according to another preferred embodiment of the present invention. The illumination device 50 of the present embodiment includes a light-emitting element as described in the previous embodiment and a support member 51 for connecting the light-emitting element and the carrier 26, as compared with the first and sixth embodiments. The transparent substrate 2 of the light-emitting element is fixed on one side of the support member 51 by an element bonding layer 52, and the other side of the support member 51 can be embedded on the carrier 26. In addition, the support member 51 is elastically adjustable to make the angle between the light-emitting element 0 and the carrier 26 between 30 degrees and 150 degrees. The material of the support member 51 may include a composite metal material, a copper wire, a wire, or other suitable material.

Please refer to FIG. 18 to FIG. 20 . FIG. 18 to FIG. 20 are schematic diagrams showing the transparent substrate 2 of the preferred embodiment of the present invention being inserted or bonded to the carrier 5 . When the transparent substrate 2 in the present invention is disposed on the carrier 5 , the transparent substrate 2 is inserted or adhered to the carrier 5 .

As shown in FIG. 18, when the transparent substrate 2 is disposed on the carrier 5, it is inserted into the single-hole slot 61 of the carrier 5, and the LED component is transmitted through the connecting wire and the slot. 61 electrical coupling. At this time, the light emitting diode structure (not shown) on the transparent substrate 2 is coupled to the power supply of the carrier 5, so that the circuit pattern or the connecting wires are concentrated to the edge of the transparent substrate 2 and integrated into a plurality of conductive contacts. The gold finger structure of the sheet or the connection electrodes 311A and 311B, that is, the electrical connection port. The slot 61 allows the transparent substrate 2 to be inserted, so that the light-emitting diode structure (not shown) is fixed to the socket 61 of the carrier 5 while the power supply of the carrier 5 is obtained.

Next, please refer to FIG. 19 , which is a schematic structural view of the porous slot on the carrier 5 through the transparent substrate 2 . At this time, the transparent substrate 2 has at least one double pin structure, one of which is a positive electrode of the element, and the other is a negative electrode of the element, and both have a conductive contact as a connection port. Correspondingly, the carrier 5 has at least two slots 61 corresponding to the size of the pin insertion surface, so that the transparent substrate 2 can be smoothly engaged with the carrier 5 and the light emitting diode structure can be powered.

Referring to FIG. 20, the component bonding layer bonds the transparent substrate 2 to the carrier 5 in an adhesive manner. In the process of bonding, it can be joined by welding with gold, tin, indium, antimony, silver or the like, or by using a conductive silicone or epoxy resin to fix the transparent substrate 2 on the carrier 5. The conductive pattern or the connecting wire of the light-emitting element is electrically connected to the electrode on the carrier 5 by the element bonding layer.

Please refer to FIG. 21 and FIG. 22 . FIG. 21 and FIG. 22 are schematic diagrams showing the transparent substrate 2 of a preferred embodiment of the present invention being adhered to the carrier 5 having the support member 62 . The illuminating device 11 of the present embodiment is mainly composed of the same embodiment as the previous embodiment, wherein the carrier 5 is formed of an aluminum plate or a metal substrate such as a bendable composite aluminum-containing material, copper wire or wire. The surface or side of the carrier 5 has at least one support member 62, and the support member 62 is a mechanism separate or integrated with the carrier 5. Pieces. A light-emitting component is coupled to the support member 62 by means of bonding, that is, the transparent substrate 2 is fixed to the carrier 5 by the component bonding layer 63, and is maintained on the surface of the portion of the carrier 5 having no support. The surface having a first angle θ1 and the portion of the carrier 5 having no support member 62 may also be provided with a light-emitting diode structure to enhance the illumination effect of the illumination device 11; in addition, the light-emitting element may also be inserted through a plug (not shown). The transparent substrate 2 is fixed to the carrier 5 by being connected to the support member 62, that is, by the connector coupling member and the support member 62 and/or the support member 26 and the carrier 5. Since the carrier 5 and the support member 62 are bendable, flexibility in application is increased, and since a plurality of light-emitting elements can be used, the illumination device 11 can be colored by combining light-emitting elements of different light colors. Variability to meet different needs.

Please refer to Figure 23. Figure 23 is a perspective view showing a lighting device of another preferred embodiment of the present invention. As shown in FIG. 23, the illumination device of the present embodiment includes at least one light-emitting element 1 and a carrier 5, wherein the carrier 5 includes at least one support member 62 and at least one circuit pattern P. The main component of the light-emitting element 1 is as described in the previous embodiment, and is coupled to the support member 62 at one end of the transparent substrate to avoid or reduce the shielding effect of the support member 62 on the light emitted from the light-emitting element 1. The carrier 5 is composed of a composite aluminum metal substrate, a copper wire or a wire, and the support member 62 is bent and bent at an angle from one portion of the carrier 5 (such as the first angle θ1 of the above 21 and 22). to make. The circuit pattern P is disposed on the carrier 5 and has at least one set of electrical terminals electrically connected to a power source, and a portion of the support member 62 is electrically connected to the light-emitting component 1 to make the light-emitting component 1 transparent. The circuit pattern P of the carrier 5 is electrically connected to the power source. In addition, the carrier 5 can further include at least one hole H or at least one notch G, such that a fixing member such as a screw, a nail or a pin can pass the hole H or the gap G to make the carrier 5 and other components according to the application situation of the device. Further assembly or installation, at the same time, the hole H or the gap G also increases the heat dissipation area of the carrier 5, thereby improving the heat dissipation effect of the lighting device.

Please refer to Figure 24. Figure 24 is a perspective view of the device base 322 of the illumination device of another preferred embodiment of the present invention. As shown in Fig. 24, the device base of this embodiment The 322 includes a carrier 5 and at least one support member 62. Compared with the embodiment of FIG. 11, the support member 62 of the embodiment further includes at least one strip portion 342 and a notch 330, wherein the electrodes 30 and 32 are respectively disposed. On both sides of the notch 330, the strip portion 342 constitutes at least one side wall of the notch 330. A light-emitting element is coupled to the support member 62 corresponding to the notch 330, and the connecting wire of the light-emitting element is electrically connected to the electrodes 30 and 32, so that the light-emitting element can pass through the support member 62 and the circuit pattern on the carrier. A power source is electrically coupled to be driven. The size of the notch 330 needs to be not less than one of the main light-emitting surfaces of the light-emitting element, so that the light emitted from the light-emitting element in the direction of the support member 62 is not blocked by the support member 62. The joint between the support member 62 and the carrier 5 can be a movable design so that the angle between the support member 62 and the carrier 5 can be adjusted as needed.

Please refer to Figures 24 to 25. Figure 25 is a perspective view of a lighting device 302 of another preferred embodiment of the present invention. The illumination device 302 shown in FIG. 25 further includes at least one support member 62 having a plurality of notches 330, wherein the plurality of notches 330 are respectively disposed on corresponding sides of the support member 62. The strip portion 342 is configured to at least simultaneously form a side wall of the plurality of notches 330. A plurality of light-emitting elements 310 are disposed corresponding to the plurality of notches 330, and a circuit pattern or a connection electrode (not shown) of each of the light-emitting elements 310 is electrically connected to the electrodes 30 and 32, respectively. The illumination device 302 of the present embodiment may further include a plurality of support members 62, and the angle between the support member 62 and the carrier 5 each provided with the light-emitting elements 310 may be adjusted separately, in other words, at least a portion of the support members 62. The angles with the carrier 5 can be different from each other to achieve the desired luminous effect, but are not limited thereto. In addition, a combination of the light-emitting elements 310 of different illumination wavelength ranges may be disposed on the same or different support members 62 to make the color effect of the illumination device 302 more abundant.

In order to improve the brightness and improve the illuminating effect, the illuminating device of another embodiment of the present invention simultaneously arranges the illuminating elements formed by the plurality of transparent substrates 2 on a carrier or other supporting mechanism such as the foregoing embodiment. It can be arranged in a symmetrical or asymmetric arrangement, preferably The symmetrical arrangement means that the light-emitting elements formed by the plurality of transparent substrates 2 are arranged on the support mechanism 60 in a point symmetrical or line symmetrical manner. Referring to FIGS. 26 to 29, the illumination device 11 of each embodiment is provided with a plurality of light-emitting elements on various different shapes of the load-bearing mechanism 60, and the light of the entire illumination device 11 can be made in a point-symmetric or line-symmetric manner. Evenly (the light-emitting diode structure is omitted), the light-emitting effect of the illumination device 11 can be further adjusted and improved by changing the size of the first angle described above. As shown in Fig. 26, the light-emitting elements are angularly symmetrically placed at a 90-degree angle. At this time, at least two light-emitting elements are aligned with each other from the four sides of the illumination device 11 toward the illumination device 11; The angle between the light-emitting elements of the illumination device 11 is less than 90 degrees; the angle between the light-emitting elements of the illumination device 11 shown in Fig. 29 is greater than 90 degrees. In another embodiment, the plurality of light-emitting elements are at least partially concentrated or dispersed in an asymmetric arrangement to achieve the light shape requirements of the illumination device 11 for different applications (not shown).

Please refer to Figure 30. Figure 30 is a cross-sectional view showing a lighting device 301 of another preferred embodiment of the present invention. As shown in FIG. 15, the illumination device 301 includes a light-emitting element 310 and a support member 321 . The support member 321 includes a notch 330, and the light-emitting element 310 is disposed corresponding to the notch 330. The lower portion of the support member 321 of the embodiment can also be used as a pin or bent into a pad for surface soldering for fixing or/and electrically connecting to other required components such as a carrier. Since one of the light-emitting elements 310 is disposed in the notch 330, the illumination device 301 can maintain the illumination effect of the six-sided illumination regardless of whether the support member 321 is a light-transmitting material.

Please refer to FIG. 31 and FIG. 32. FIG. 31 and FIG. 32 are schematic diagrams showing a lampshade 7 of a preferred embodiment of the present invention. The illuminating device comprises a long tubular lampshade 7, at least one illuminating element 1 and a carrying mechanism 60 thereof, wherein the illuminating element 1 is disposed on the carrying mechanism 60 and at least partially located in the space formed by the long tubular lampshade 7. As shown in Fig. 32, when more of the light-emitting elements 1 are disposed within the globe 7, the first major surfaces 21A of the light-emitting elements 1 are arranged in a manner that is not parallel to each other. In addition, the light-emitting element 1 is at least partially placed in the space formed by the lamp cover 7. The inner wall of the lamp cover 7 is not in close contact with the inner wall of the lamp cover 7. The preferred embodiment has a distance D between the light-emitting element 1 and the lamp cover 7 of more than 500 micrometers (μm); however, it is also possible to form the lampshade 7 by means of potting. The lampshade 7 is at least partially covered and directly in contact with the light-emitting element 1.

Referring to FIG. 33, a lighting device 303 according to another preferred embodiment of the present invention includes at least one light emitting element 1, a carrier 5, and at least one support member 62. The light-emitting element 1 is disposed on the support member 62 and the support member 62 is coupled to the carrier 5. Compared to the embodiment of Fig. 21, the support member 62 of the present embodiment is disposed obliquely, so that at least a portion of the support member 62 can be closer to a central axis D1 of the carrier 5. More specifically, the illumination device 303 of the present embodiment includes two support members 62 and light-emitting elements 1 respectively disposed on the two support members 62. The two support members 62 are coupled to the carrier 5 for better heat transfer. The support member 62 is inclined inwardly with respect to the central axis D1 of the carrier 5, and as shown in the drawing, a first angle θ1 is formed between the light-emitting element 1 and the carrier 5 (ie, between the support member 62 and the carrier 5). The angle). The angle of the first angle θ1 may be between 45 degrees and 75 degrees, so that the size of the illumination device 303 can be further reduced compared to the embodiment of FIG. 21, and the position of the illumination device 303 near the central axis D1 can be improved. Brightness.

Please refer to Figures 34 to 37. Compared with the above embodiment, the illumination device 304/305/306/307 of Figures 34 to 37 has more variability and application, wherein the illumination device 304/305/306 /307 can be a crystal lamp. As shown in FIG. 34, the illumination device 304 includes at least one light-emitting element 1, a carrier 5, and at least one support member 62. The support member 62 further includes a first connecting portion 621 and a second connecting portion 623. One end of the second connecting portion 623 is disposed on the carrier 5 and the other end is connected to one end of the first connecting portion 621. The light emitting element 1 is disposed at the other end of the first connecting portion 621 corresponding to the second connecting portion 623. The first connecting portion 621 is further rotatable relative to the second connecting portion 623. More specifically, the first connecting portion 621 in the embodiment is inclined inward or outward with respect to the central axis D1 of the carrier 5, and a second angle is formed between the first connecting portion 621 and the second connecting portion 623. Θ2, the angle of the second angle θ2 may be between 135 degrees and 175 degrees, thereby being close to the central axis The brightness of the D1 position can be further increased or decreased depending on the actual application. The second connecting portion 623 is perpendicular to the carrier 5, but is not limited thereto. In other embodiments of the present invention, a third angle θ3 may be formed between the second connecting portion 623 and the carrier 5, and the angle of the third angle θ3 may be between 45 degrees and 85 degrees. In addition, the second connecting portion 623 can further rotate relative to the carrier 5. In the present embodiment, the brightness of the illumination device 304 at a position close to the central axis D1 of the carrier 5 is higher than that of the embodiment of Fig. 21, and the size is smaller.

Referring to FIG. 35, the illumination device 305 of the present embodiment includes at least one support member 62. The support member 62 includes a first connecting portion 621 and a second connecting portion 623, one of which is different from the embodiment of FIG. The light emitting element 1 is disposed at one end of the first connecting portion 621 and the end is also connected to one end of the second connecting portion 623. The other end of the second connecting portion 623 is coupled to a carrier 5 . One end of the first connecting portion 621 not connected to the second connecting portion 623 is inclined inward or outward with respect to a central axis D1 of the carrier 5 , and a first connecting portion 621 and the second connecting portion 623 are formed between the first connecting portion 621 and the second connecting portion 623 . The second angle θ2. The angle of the second included angle θ2 may be between 5 degrees and 45 degrees to increase the brightness at a position close to the central axis D1. Other components of the illumination device 305 may be the same as the illumination device 304 and will not be described herein.

In addition, referring to Fig. 36, the illumination device 306 of the present embodiment includes a support member 62 that can be bent to form an arcuate structure. The radius of the arcuate support member 62 is between 10 mm and 200 mm, and the center position of the arcuate structure can be close (as shown in FIG. 37) or away from (as shown in FIG. 36) the central axis D1 of the carrier 5. Referring to Figure 37, the illumination device 307 of the present embodiment includes a support member 62. The support member 62 is further a parabolic structure. The two light-emitting elements 1 are disposed on opposite sides of the support member 62. The present invention is not limited thereto, and the support member 62 may further be an elliptical structure.

1‧‧‧Lighting elements

303‧‧‧Lighting device

5‧‧‧ bearing seat

62‧‧‧Support

D1‧‧‧ central axis

Θ1‧‧‧ first angle

Claims (9)

A lighting device comprising: at least one light emitting element, comprising: a transparent substrate having a bearing surface and a second main surface, the bearing surface and the second main surface being disposed opposite to each other; and a plurality of light emitting diodes a first surface of the plurality of light emitting diode structures Light emitted from the diode structure passes through the transparent substrate and is emitted by the second main surface; a carrier; and at least one support member coupled to the carrier; wherein the light emitting element is disposed on the support member, and At least a portion of the support member is inclined inwardly or outwardly relative to a central axis of the carrier. The lighting device of claim 1, wherein a first angle is formed between the light-emitting element and the carrier, and the angle of the first angle is between 45 degrees and 75 degrees. The illuminating device of claim 1 or 2, wherein the support member comprises a first connecting portion and a second connecting portion, wherein the second connecting portion is disposed on the carrying base, wherein the first connecting portion is connected to the first connecting portion a second connecting portion and a second angle formed between the connecting portion and the second connecting portion. The lighting device of claim 3, wherein the first connecting portion extends axially outward relative to the center of the carrier, and the angle of the second angle is between 135 degrees and 175 degrees. The lighting device of claim 3, wherein the first connecting portion extends axially with respect to the center of the carrier, and the angle of the second angle is between 5 degrees and 45 degrees. The illuminating device of claim 3, wherein a third angle is formed between the second connecting portion and the carrier, and the angle of the third angle is between 45 degrees and 85 degrees. The lighting device of claim 1 or 2, wherein the support member has an arcuate structure. The illuminating device of claim 7, wherein the arc of the arc has a radius of between 10 mm and 200 mm, and the center of the arc is located close to or away from the central axis of the carrier. The lighting device of claim 1 or 2, wherein the support member is a parabolic structure or an elliptical structure.