TWI398602B - High efficiency LED lights - Google Patents

Description

High efficiency LED light

The invention belongs to the technical field of high-efficiency LED lamps and provides illumination use. In addition to having excellent heat dissipation and electrical insulation effects, the invention can directly replace the use of the bulbs without replacing the lamps.

According to the LED, it is an abbreviation of Light-emitting Diode. It is a solid-state light-emitting component made of semiconductor materials. The material uses III-V chemical elements (such as gallium phosphide (GaP), gallium arsenide (GaAs). ), etc.), the principle of luminescence is to convert electrical energy into light, that is, to apply current to the compound semiconductor, through the combination of electrons and holes, excess energy will be released in the form of light, achieving the effect of luminescence, belonging to cold luminescence, The life span is over 100,000 hours. The biggest features of LED are: no idling time, fast response, small size, low power consumption, low vibration, low pollution, suitable for mass production, high reliability, easy to match with the needs of the application to make very small or Array of components. However, because the LED is solid-state lighting, that is, the wafer is energized, and the quantum exciplex returns to emit energy (light), but in the process of illuminating, the light energy in the wafer cannot be completely transmitted to the outside, and the energy of the light cannot be emitted inside the wafer and The inside of the package will be absorbed to form heat. LED conversion efficiency is only about 10% to 30%, so 1W of electricity, less than 0.2W becomes light that you can see, the other is hot, if not heat, these heat accumulation will damage the efficiency and life of the chip. . Therefore, the application of high-efficiency LEDs to lighting equipment must first solve the problem of heat dissipation. Taking the LED heat dissipation patent as an example, the new M314505 "High Power LED Bulb Heat Dissipation Structure" patent (refer to the patent announcement on June 21, 2007) mainly fixes a base substrate on a base, and the top surface of the base substrate is supported. At least one heat pipe is fixed, the heat pipe sleeve is fixed with a plurality of heat sinks and a top substrate, and the top surface of the top substrate is provided with a high-power LED corresponding to the number of heat pipes, and the bottom surface of the high-power LED is bonded and supported by the heat pipe. The top of the. A new type of heat-dissipating module of the light-emitting diode package (refer to the patent publication of June 21, 2007), the heat-dissipating module comprises: an LED circuit board; a heat-dissipating block, comprising a plurality of heat sinks; And a heat dissipating adhesive material for directly fixing the LED circuit board to the heat dissipating block; wherein there is no metal substrate between the LED circuit board and the heat dissipating block. Patent No. I260798, "High Heat Dissipating Light Emitting Diode" (refer to the patent publication of August 21, 2006), comprising at least: a porous material layer; a heat conducting layer disposed on the surface of the porous material layer; The wafer is disposed on the heat conducting layer, and the heat emitted by the wafer is conducted by the heat conducting layer to the porous material layer, and the heat is convected to the outside by the porous material layer.

It can be seen from the above previous cases that the conventional LED heat dissipation uses metal heat sinks, or combined with heat pipes, cooling chips, soaking plates, cooling fans, etc., generally has poor heat dissipation effect, heat dissipation speed is not fast enough, and the heat dissipation module The structure is complicated, the cost is high, the electrical insulation is not easy to be lost, and the heat dissipation structure required for the non-standard design is required, so it is necessary to design a dedicated lamp. This is the biggest lack of current conventional technology, and this lack is a difficult problem to be overcome in the industry.

In view of the lack of conventional technology, the research and development of the present invention has accumulated many years of practical expertise in the design and manufacture of precision ceramics technology industrial products. After continuous research and improvement, the invention has been successfully developed and made public.

The main purpose of the present invention is to provide a "high-efficiency LED lamp", which is mainly composed of an alternating current LED module and a heat-dissipating lamp holder. The alternating current LED module has a heat-transfer portion and an electric connection portion, and the heat-dissipating lamp holder is The non-metal having good heat dissipation is directly formed into a shape of a socket having a multi-porous structure, and has a concave portion for accommodating the AC LED module, the heat conducting portion of the AC LED module is combined with the heat sink socket, and the electrical connection portion is connected to the external power source. When the LED lamp is lit, the heat generated by the LED lamp can be quickly transmitted by the heat dissipation lamp holder to dissipate heat. The heat dissipation lamp holder of the present invention directly forms the shape of the lamp holder of the general light bulb, and has the functions of heat dissipation and electrical insulation, and can directly replace The use of conventional light bulbs, in addition to better heat dissipation, has the effect of directly replacing the bulb without replacing the lamps.

The invention further comprises a heat conducting sheet disposed between the heat conducting portion of the alternating current LED module and the heat sink base. When the LED lamp is lit, the heat generated by the LED lamp can be quickly conducted by the heat conducting sheet, and the heat conducting sheet and the heat sink are used. The heat conduction between the lamp holders and the heat convection cause the heat on the heat transfer sheets to be quickly transmitted to the heat dissipation lamp holder to dissipate heat.

The outer edge of the heat dissipation lamp holder is provided with a metal sleeve, an insulating sleeve and a power contact piece for the bulb, and the metal sleeve and the power contact piece are electrically connected to the electrical connection portion of the AC LED module for use on the conventional light bulb lamp.

The electrical connection portion of the alternating current LED module is provided with a connection terminal dedicated to the projection lamp holder, and the connection terminal protrudes from the outer edge of the bottom of the heat dissipation lamp holder for use on a conventional projection lamp.

The aforementioned heat sink base is provided with a pattern for increasing the heat dissipation surface area.

Another main object of the present invention is to provide a "high-efficiency LED lamp" which is mainly composed of a predetermined number of AC LED modules, a heat-conducting member and a heat-dissipating lamp holder. The AC LED module has a heat-conducting portion and an electrical connection portion. Each of the alternating current LED modules is disposed on the heat conducting member, the heat conducting portion is combined with the heat conducting member, and the electrical connecting portion is connected to the external power source, and the heat dissipating lamp holder is directly formed into a multi-porous lamp holder shape by the non-metal having good heat dissipation. When the LED lamp is lit, the heat generated by the LED lamp can be quickly transmitted by the heat conducting member, and the heat conduction between the heat conducting member and the heat dissipating lamp holder and the heat convection force, the heat on the heat conducting member is quickly transmitted to the heat dissipating lamp holder to dissipate heat. The heat-dissipating lamp holder of the invention directly forms the general shape of the bulb, and has the functions of heat dissipation and electric insulation, and can directly replace the conventional light bulb. In addition to having excellent heat dissipation effect, the utility model can directly replace the bulb with no need to replace the lamp.

The heat dissipation lamp holder of the present invention has an inner bearing portion, and the heat conduction member is received in the inner bearing portion.

The outer edge of the heat dissipation lamp holder is provided with a metal sleeve, an insulating sleeve and a power contact piece for the bulb, and the metal sleeve and the power contact piece are electrically connected to the electrical connection part of the alternating current LED module for use on the conventional light bulb lamp.

The electrical connection portion of the alternating current LED module is provided with a connection terminal dedicated to the projection lamp holder, and the connection terminal protrudes from the outer edge of the bottom of the heat dissipation lamp holder for use on a conventional projection lamp.

The aforementioned heat sink base is provided with a pattern for increasing the heat dissipation surface area.

The structure substrate of the present invention utilizes a metal having a high structural density and a high specific heat capacity, so that it has a high thermal conductivity (for example, a thermal conductivity of copper metal of 382 W/m ° C). The heat-dissipating lamp holder utilizes high thermal conductivity non-metallic particles of different particle sizes (for example, SiC thermal conductivity of SiC is 270 W/m ° C), and non-metal has a low specific heat, which is a fairly good heat-dissipating material. . There are two mechanisms for the thermal conduction of solid materials. One is the transfer of heat through free electrons, which is the main mechanism of heat conduction of metal materials. The other is heat transfer through lattice or lattice vibration, that is, through lattice waves or heat waves, which is the mechanism of the heat sink base of the present invention.

In order to achieve the above-described technical means of the present invention, an embodiment will be described, and with reference to the drawings, the reviewer can obtain a better understanding of the structure, features and effects of the present invention.

First, please refer to the first, second and third figures. It can be seen from the figure that the invention mainly comprises an alternating current LED module (1), which is a standardized product having a heat conducting portion (10) and an electrical connecting portion (11). The heat conducting portion (10) of the alternating current LED module (1) is combined with the heat sink base (2), the electrical connecting portion (11) is connected to the external power source, and the heat sink base (2) is a porous structure having good heat dissipation. (Polyporous structure, ie, high specific surface area structure) Non-metallic composition [Thermal lamp holder (2) can be made of non-metallic powder with high thermal conductivity (such as injection molding), non-metallic powder with high thermal conductivity Such as: alumina Al ₂ O ₃ , zirconia Zr ₂ O, aluminum nitride AlN, tantalum nitride SiN, boron nitride BN, tungsten carbide WC, tantalum carbide SiC, graphite C, crystalline tantalum carbide, recrystallized niobium carbide RSiC Etc., and aluminum nitride and tantalum carbide are preferred, and directly formed into a lamp holder shape, which has a concave portion (20), and the inner concave portion (20) accommodates the aforementioned alternating current LED module (1); When the lamp is used, the heat generated by the heat can be quickly transmitted by the heat dissipation lamp holder (2) to dissipate heat. The heat dissipation lamp holder (2) of the present invention directly forms the shape of the lamp holder of the general light bulb, and has both The heat dissipation and electrical insulation performance can directly replace the use of conventional light bulbs. In addition to better heat dissipation, the utility model can directly replace the light bulb without replacing the lamps.

Referring to the fourth and fifth figures, the present invention further includes a thermal conductive sheet (3) which is made of a metal having good thermal conductivity. [Good thermal conductivity metals such as gold, silver, copper, iron, aluminum, Cobalt, nickel, zinc, titanium, manganese, etc., which is disposed between the heat conducting portion (10) of the alternating current LED module and the heat sink base (2). When the LED lamp is lit, the heat generated by the LED lamp can be quickly thermally conducted. Conducted by the sheet (3), and by the heat conduction and heat convection between the heat conducting sheet (3) and the heat sink base (2), the heat on the heat conducting sheet (3) is quickly transmitted to the heat sink base (2) to dissipate heat. .

Please refer to the sixth and seventh figures. In order to improve the heat dissipation efficiency, a conductive plate (30) is further disposed between the heat conducting sheet (3) and the heat sink base (2), and the conductive plate (30) has good thermal conductivity. Metal composition [good thermal conductivity metals such as gold, silver, copper, iron, aluminum, cobalt, nickel, zinc, titanium, manganese, etc.], so that the heat of the thermal conductive sheet (3) is more quickly transmitted to the heat dissipation lamp holder (2) and dissipates heat. .

The heat-dissipating lamp holder (2) of the invention directly forms the general shape of the lamp holder, and has the functions of heat dissipation and electric insulation, and can directly replace the use of the conventional light bulb. In addition to the excellent heat dissipation effect, the lamp holder can be directly replaced without replacing the lamp. The efficacy of the bulb [that is, the invention can be used directly on old lamps]. Please refer to the first to seventh figures. The outer edge of the heat-dissipating lamp holder (2) is provided with a metal sleeve (21), an insulating sleeve (22) and a power contact piece (23) for the bulb. 21), the insulating sleeve (22) and the power contact piece (23) are internationally accepted specifications, such as E-27, E-14, etc., the metal sleeve (21) and the power contact piece (23) and the alternating current LED module (1) The electrical connection portion (11) is electrically connected. Moreover, the heat-dissipating lamp holder (2) can be provided with a lamp cover (24) to constitute an LED bulb, so that the invention can be directly screwed onto the lamp of the conventional light bulb without replacing the original old lamp.

Referring to the eighth, ninth, tenth, eleventh and twelfth drawings, the electrical connection portion (11) of the alternating current LED module (1) of the present invention is connected with a connection terminal (25) dedicated to the projection lamp holder. The connecting terminal (25) for the lamp holder is an international standard, such as MR16, etc., the connecting terminal (25) protrudes from the bottom outer edge of the heat-dissipating lamp holder (2), and the heat-dissipating lamp holder (2) is provided with a reflecting cover. (26), and constitutes an LED projection lamp, so that the invention can be directly inserted into a conventional projection lamp without having to replace the original old projection lamp.

Further, the heat-dissipating lamp holder (2) of the present invention is provided with a texture (27) which increases the surface area of the heat dissipation.

For another embodiment of the present invention, please refer to the thirteenth and fifteenth drawings. It can be seen from the figure that the embodiment mainly includes: a predetermined number of alternating current LED modules (1) [this embodiment is one], which is a standardized product. The heat conducting portion (10) and the electrical connecting portion (11) are combined, the heat conducting portion (10) of the alternating current LED module (1) is combined with the heat conducting member (4), and the electrical connecting portion (11) is connected to the external power source; 4) It can be made of a metal with good thermal conductivity [a metal with good thermal conductivity such as gold, silver, copper, iron, aluminum, cobalt, nickel, zinc, titanium, manganese, etc.], or a non-metallic composition with high thermal conductivity. [Non-metal with high thermal conductivity such as: alumina Al ₂ O ₃ , zirconia Zr ₂ O, aluminum nitride AlN, tantalum nitride SiN, boron nitride BN, tungsten carbide WC, tantalum carbide SiC, graphite C, crystal Tantalum carbide, recrystallized niobium carbide, RSiC, etc., and aluminum nitride and tantalum carbide are preferred; heat-dissipating lamp holder (5) is a porous structure with good heat dissipation (multi-porous structure, ie, high specific surface area structure) Metal composition [The heat-dissipating lamp holder (5) is made of a non-metallic powder having a high thermal conductivity (such as injection molding), and a non-metallic powder having a high thermal conductivity such as Alumina Al ₂ O _3, zirconium oxide Zr ₂ O, aluminum nitride AlN, silicon nitride SiN, boron nitride BN, tungsten carbide WC, silicon carbide SiC, graphite C, crystallized silicon carbide, recrystallized silicon carbide RSiC the like, Aluminum nitride and tantalum carbide are preferred, and directly formed into the shape of the lamp holder; when the LED lamp is lit, the heat generated by the LED lamp can be quickly conducted by the heat conducting member (4), and the heat conducting member (4) The heat conduction and heat convection between the heat-dissipating lamp holder (5) causes the heat on the heat-conducting member (4) to be quickly transmitted to the heat-dissipating lamp holder (5) to dissipate heat.

The combination of the heat conducting member (4) and the alternating current LED module (1) of the present invention can be combined with the heat conducting member (4) after the configuration of the alternating current LED module (1) is completed [please refer to the thirteenth figure], The AC LED module (1') can be directly mounted on the heat-conducting member (4) [see Figure 14].

The heat-conducting member (4) of the present invention can be directly formed on the heat-dissipating lamp holder (5) [for example, as shown in Fig. 16, the metal is directly formed on the joint portion of the heat-dissipating lamp holder (5) by printing or coating. Thermal layer (40) to reduce parts and reduce costs.

Referring to Figures 17 and 18, the heat sink base (5) of the present invention has an inner receiving portion (50), and the heat conducting member (4) is received in the inner receiving portion (50).

The heat-dissipating lamp holder (5) of the invention directly forms the general shape of the lamp holder, and has the heat-dissipating effect, and can directly replace the conventional light bulb, and has the advantages of excellent heat dissipation and electric insulation effect, and can be directly replaced without replacing the lamp. The efficacy of the bulb [that is, the invention can be used directly on old lamps]. Please refer to the relevant figure. The outer edge of the heat-dissipating lamp holder (5) is provided with a metal sleeve (51), an insulating sleeve (52) and a power contact piece (53) for the bulb. [The metal sleeve for the bulb (51) The insulating sleeve (52) and the power contact piece (53) are internationally accepted specifications, such as E-27, E-14, etc., the metal sleeve (51) and the power contact piece (53) and the alternating current LED module (1) The electrical connection portion (11) is electrically connected. Moreover, the heat-dissipating lamp holder (5) can be provided with a lamp cover (54) to constitute an LED bulb, so that the invention can be directly screwed onto the lamp of the conventional light bulb without replacing the original old lamp.

Referring to the nineteenth, twenty-first, and twenty-first, the electrical connection portion (11) of the alternating current LED module (1) of the present invention is coupled with a connection terminal (55) dedicated to the projection lamp holder. The special connection terminal (55) is an international standard, such as MR16, etc., the connection terminal (55) protrudes from the bottom outer edge of the heat dissipation lamp holder (5), and the fixing lamp holder (5) is provided with a fixing plate (58). The fixing plate (58) is fixed with a reflector cover (56) to constitute an LED projection lamp, so that the invention can be directly inserted into a conventional projection lamp without having to replace the original old projection lamp.

The fixing plate (58) of the present invention is provided with a predetermined number of perforations (59) to form a convection effect to improve heat dissipation performance. The heat sink base (2) is provided with a pattern (57) that increases the heat dissipation surface area.

Thus, the design object of the present invention is a practical inventor.

In summary, the "high-efficiency LED lamp" disclosed in the present invention is unprecedented in the past, and has not been seen in publications published at home and abroad, and has a novel patent requirement, and the present invention can eliminate the lack of conventional technology. And to achieve the design purpose of the invention, has also fully met the requirements of the invention patent, and can be used in the industry, 提出 apply in accordance with the law, I would like to ask your review board to review, and give the patent in this case, really feel good.

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, and the equivalent structural changes made by the present invention and the scope of the patent application are known to those skilled in the art. It is intended to be included in the scope of the patent of the present invention.

(1) (1’). . . AC LED module

(10). . . Heat transfer department

(11). . . Electrical connection

(2). . . Cooling lamp holder

(20). . . Inner recess

(twenty one). . . Metal sleeve

(twenty two). . . Insulating sleeve

(twenty three). . . Power contact piece

(twenty four). . . lampshade

(25). . . Connection terminal

(26). . . Reflector

(27). . . Grain

(28). . . Fixed plate

(29). . . perforation

(3). . . Thermal sheet

(30). . . Conductive plate

(4). . . Heat conductive member

(40). . . Thermal layer

(5). . . Cooling lamp holder

(50). . . Inner bearing

(51). . . Metal sleeve

(52). . . Insulating sleeve

(53). . . Power contact piece

(54). . . lampshade

(55). . . Connection terminal

(56). . . Reflector

(57). . . Grain

(58). . . Fixed plate

(59). . . perforation

The first figure is a perspective view of a bulb embodiment of the present invention.

The second drawing is an exploded perspective view of a first embodiment of the bulb of the present invention.

The third drawing is a sectional view of a first embodiment of the bulb of the present invention.

The fourth drawing is an exploded perspective view of a second embodiment of the bulb of the present invention.

Figure 5 is a cross-sectional view showing a second embodiment of the bulb of the present invention.

Figure 6 is a perspective exploded view of a third embodiment of the bulb of the present invention.

Figure 7 is a cross-sectional view showing a third embodiment of the bulb of the present invention.

Figure 8 is a perspective view of a projection lamp type embodiment of the present invention.

Figure 9 is a perspective exploded view of the first embodiment of the projection lamp of the present invention.

Figure 11 is a cross-sectional view showing the first embodiment of the projection lamp type of the present invention.

Figure 11 is a perspective exploded view of a second embodiment of the projection lamp of the present invention.

Figure 12 is a cross-sectional view showing a second embodiment of the projection lamp type of the present invention.

Figure 13 is a perspective exploded view of a fourth embodiment of the bulb of the present invention.

Figure 14 is a perspective exploded view of a fifth embodiment of the bulb of the present invention.

Fifteenth is a sectional view showing a fourth embodiment of the bulb of the present invention.

Figure 16 is a cross-sectional view showing a sixth embodiment of the bulb of the present invention.

Figure 17 is a perspective exploded view of a seventh embodiment of the bulb of the present invention.

Figure 18 is a cross-sectional view showing a seventh embodiment of the bulb of the present invention.

Fig. 19 is a perspective view showing a third embodiment of the projection lamp of the present invention.

Figure 20 is a perspective exploded view of a third embodiment of the projection lamp of the present invention.

The twenty-first drawing is a sectional view showing a third embodiment of the projection lamp type of the present invention.

(1)‧‧‧AC LED Module

(10) ‧‧‧Transfer Department

(11) ‧‧‧Electrical connection

(2) ‧‧‧Heat lamp holder

(20) ‧ ‧ inner recess

(21)‧‧‧Metal sets

(22)‧‧‧Insulation sleeve

(23)‧‧‧Power contact strips

(24)‧‧‧shade

(3) ‧‧‧thermal sheet

Claims (6)

A high-efficiency LED lamp mainly comprises: a heat-dissipating lamp holder, wherein the heat-dissipating lamp holder forms a non-metallic porous structure with high heat dissipation property, and is configured to have a common lamp housing shape, the heat dissipation lamp holder The utility model has an inner recessed portion, wherein the inner recessed portion can accommodate the alternating current LED module; an alternating current LED module, the alternating current LED module is mounted in the heat dissipation lamp socket, and comprises a heat conducting portion and two electrical connecting portions. The heat conducting portion is coupled to the heat sink base, and the electrical connection portion is electrically connected to the external power source. The high efficiency LED lamp further includes: a heat conducting sheet mounted on the heat conducting portion of the alternating current LED module Between the heat sink and the heat sink; the conductive plate is disposed between the heat conductive sheet and the heat sink; the heat conductive sheet is made of a metal having high thermal conductivity; the alternating current LED mold The heat conducting portion of the group is covered by the heat conducting sheet; the heat conducting sheet separates the heat conducting portion of the alternating current LED module from the heat dissipating lamp holder; the conductive plate is made of a metal having high thermal conductivity; the conducting The board has a top surface and a bottom surface The top surface of the thermally conductive sheet based abuts the bottom surface of the cooling system against the socket. The high efficiency LED lamp of claim 1, wherein the heat conducting portion of the alternating current LED module is partially received in the inner recess of the heat sink base and partially protrudes from the heat sink base. Outside the recess; The electrical connection portion of the AC LED module is completely received and hidden in the inner recess of the heat dissipation lamp holder; the thermal conductive film portion is received in the inner recess of the heat dissipation lamp holder, and partially protrudes from the The conductive plate is completely protruded from the inner concave portion of the heat dissipation lamp holder; the conductive plate is completely protruded from the inner concave portion of the heat dissipation lamp holder; the outer edge of the heat dissipation lamp holder is provided with a stud for mounting a metal sleeve. An insulating sleeve and a power contact piece; the metal sleeve and the power contact piece are electrically connected to the electrical connection portion of the alternating current LED module. The high-efficiency LED lamp of the first aspect of the invention, wherein the high-efficiency LED lamp further comprises: a lamp cover mounted on the heat dissipation lamp holder to cover the AC LED module. The high-efficiency LED lamp of the first aspect of the invention, wherein the high-efficiency LED lamp further comprises: two connection terminals, wherein the two connection terminals are electrically connected to the electrical connection portion of the alternating current LED module, wherein the The two connecting terminal portions are received in the inner recess of the heat sink base and partially protrude from the inner recess of the heat sink base. The high-efficiency LED lamp of claim 4, wherein the high-efficiency LED lamp further comprises: a reflector cover, the reflector is mounted on the heat sink to cover the AC LED module . The high efficiency LED lamp of claim 1, wherein a surface of the heat dissipation lamp holder is provided with a plurality of heat dissipation lines to increase a heat dissipation surface area of the heat dissipation lamp holder.