TWM461003U - Light illumination device - Google Patents

Description

Light source lighting device

This creation is a light source illumination device, in particular to produce full-circumference light source illumination.

Traditionally, traditional light sources such as old tungsten filament bulbs have been replaced by light-emitting diodes to achieve energy-saving and carbon-reducing effects. Among them, the light-emitting diode system has the advantage of high service life.

However, the light intensity generated by the single LED is not enough to replace the old bulb, so the light intensity is increased by a plurality of the LEDs. Moreover, the manufacturer usually packs a plurality of the LEDs into a single bulb product, so that the plurality of the LEDs are housed in the sealed casing, resulting in a large number of the LEDs. The thermal energy accumulates in the outer casing, causing the luminous efficiency of the light-emitting diode to decrease, and a light decay phenomenon.

However, the light-emitting element such as the point light source generated by the light-emitting diode or the surface light source generated by the Chip On Board, in order to make the emitted light appear uniform, usually has an additional diffusing agent. The semi-circular lampshade achieves the above-mentioned effects, but the lampshade reduces the luminous flux (about 10% to 15%), so how to maintain the original luminous flux and generate a uniform light source becomes a kind of 亟 The problem to be solved.

Therefore, the creation department provides a light source illumination device to solve the lack of the prior art.

One of the purposes of the present invention is to provide a light source illumination device that reduces the light loss of the light source, increases the light flux of the light source through the lens, and expands the light angle by a specially designed concentrating unit to achieve the effect of providing a full-circumference light source.

Another object of the present invention is to increase the heat dissipation cross-sectional area by the heat dissipation layout layer on the substrate according to the above-mentioned light source illumination device, and achieve the effect of rapidly dissipating heat through the base unit having the heat dissipation structure.

Another object of the present invention is to simultaneously form a circuit layout layer and a heat dissipation layout layer on the substrate according to the above-described light source illumination device for increasing the cross-sectional area of heat dissipation.

A further object of the present invention is to achieve high heat dissipation efficiency by using a plurality of heat dissipation methods such as a heat dissipation layout layer, a heat dissipation structure, and a heat conductive adhesive layer according to the above-mentioned light source illumination device.

To achieve the above and other objects, the present invention is a light source illumination device for generating full-circumference light source illumination after receiving power, and the light source illumination device comprises an electrical connection unit, a base unit, a substrate, a light source module, and a Light unit. Wherein the electrical connection unit is for receiving the electricity a source, and the electrical connection unit generates a corresponding supply voltage according to the power source; the base unit has a housing portion and a receiving portion of the heat dissipation structure, and the base unit is electrically connected to the one end of the receiving portion The substrate is disposed at the other end of the receiving portion, and the substrate is in contact with the base unit, and the substrate is connected to the electrical connecting unit to receive the supply voltage; the light source module is disposed on the a substrate, the light source module receives the supply voltage through the substrate to generate thermal energy and a light source, and the thermal energy is transmitted to the base unit by the substrate; and the concentrating unit has a receiving groove and a light guide body, and The accommodating groove is formed in the light guiding body, and the concentrating unit is coupled to the base unit, and the accommodating groove corresponds to the light source module, and the light guiding body scatters the light source at a diffusion angle The entire peripheral light source is formed to be emitted.

Compared with the prior art, the light source illumination device of the present invention generates full-circumference light source illumination after receiving power, to form a bulb lamp or the like that can provide full-circumference light source illumination. Wherein, the light source module is disposed at a central portion of the substrate, and the substrate is simultaneously supplied with a power supply path for the required voltage supply of the light source module (referred to as a circuit layout layer in the present invention), and is supplied to the light source module. The heat dissipation area (referred to as the heat dissipation layout layer) for generating heat energy is used to reduce the influence of the heat energy on the light source, thereby maintaining the original service life of the light source and avoiding the heat energy of the light source.

Furthermore, the light source generated by the light source module passes through the concentrating unit. The light source is emitted at a diffusion angle to form the full-circumference light source.

In addition, the substrate further applies a heat dissipation coating layer to the power supply path and the heat dissipation area in the heat dissipation region and the power supply path for dissipating the heat energy more quickly, and transmitting the body unit having the heat dissipation structure. Accelerating the heat dissipation of the light source module.

In order to fully understand the purpose, features and effects of this creation, the following specific examples are used, together with the attached drawings, to give a detailed explanation of the creation, as follows: Refer to Figure 1, which is the first An exploded schematic view of a light source illumination device of an embodiment. In FIG. 1, the light source illumination device 10 receives the power source PW (for example, a transformer, a commercial power supply, a primary battery, or a secondary battery), and generates an all-circumference light source L output of the full-circumference light source. Wherein, the light source L output has a diffusion angle, for example, the diffusion angle is equal to or equal to 260 degrees.

The light source illumination device 10 includes an electrical connection unit 12, a base unit 14, a substrate 16, a light source module 18, and a concentrating unit 20.

The electrical connection unit 12 is configured to receive the power source PW, and the electrical connection unit 12 generates a corresponding supply voltage (not shown) according to the power source PW. In another embodiment, the electrical connection unit 12 can receive, for example, a power conversion unit (not shown) after receiving the power supply PW. The utility power is converted into a direct current that can drive the light source module 18.

The seat unit 14 has a housing portion 142 and a receiving portion 144. The outer casing portion 142 forms a heat dissipation structure (for example, a fin fin heat dissipation structure, a sheet heat dissipation structure, and a columnar heat dissipation structure, as shown in FIG. 2), and the base unit 14 forms the capacity by the outer casing portion 142. The portion 144 is disposed, and one end of the receiving portion 144 is coupled to the electrical connection unit 12.

The substrate 16 is disposed at the other end of the receiving portion 144. 1 and FIG. 3, which is a detailed schematic view of the substrate 16 in FIG. In FIG. 3, the substrate 16 has a substrate 162, a circuit layout layer 164 and a heat dissipation layout layer 166, and the circuit layout layer 164 and the heat dissipation layout layer 166 are simultaneously formed on the substrate 162, and the circuit layout layer 164 is coupled to the electrical connection unit 12 for receiving the supply voltage, and the heat dissipation layout layer 166 is formed on the substrate 162 and does not overlap the circuit layout layer 164. The circuit layout layer 164 is connected to the electrical connection unit 12 in such a manner that the supply voltage can be conducted through wires or electrical contacts.

In another embodiment, if the supply voltage is converted by the power conversion unit, the circuit layout layer 164 is connected to the electrical connection unit 12 through the power conversion unit.

It should be noted that, in this embodiment, the circuit layout layer 164 and the heat dissipation layout layer 166 are formed on the same side of the substrate 162. However, in other embodiments, the circuit layout layer 164 and the heat dissipation cloth are The local layers 166 can be disposed on opposite sides of the substrate 162, respectively.

Furthermore, the circuit layout layer 164 further includes a first line FL that transmits a positive voltage of the supply voltage, and a second line SL that transmits a negative voltage of the supply voltage. In addition, the circuit layout layer 164 extends from the edge to the central portion of the substrate 162, and has a plurality of connection points 1642 for electrically connecting the light source module 18 in the central portion. The connection point 1642 is exemplified by providing 10 LED connections. In other words, the circuit layout layer 164 is arranged in the central portion of the substrate 162 in at least one of a longitudinal direction and a lateral direction.

Moreover, the circuit layout layer 164 forms a circuit region 1644 and the heat dissipation layout layer 166 forms a heat dissipation region 1662, and the circuit region 1644 is smaller than the heat dissipation region 1662.

In addition, the substrate 16 further includes a plurality of holes 168 , and the holes 168 are disposed on the substrate 162 . The holes 168 may be, for example, at least one of a venting hole, an outlet hole, and a fixing hole.

Returning to FIG. 1 , the light source module 18 is disposed on the substrate 162 , and the light source module 18 receives the supply voltage through the substrate 162 to generate thermal energy and a light source, and the thermal energy is transmitted to the substrate through the substrate 162 . Seat unit 14. In the embodiment, the light source module 18 is exemplified by a plurality of light emitting units 182, which may be a chip on board or a plurality of light emitting diodes. The light emitting units 182 are collectively disposed at a central portion of the substrate 162, and The light source module 18 receives the supply voltage through the circuit layout layer 164, and the heat generated by the light source module 18 is dissipated through the heat dissipation layout layer 166.

In one embodiment, the light emitting units 182 have positive and negative ends and heat sink contacts. The positive terminal and the negative terminal are respectively connected to the first line FL and the second line SL, and the heat dissipation contact is connected to the heat dissipation region 1662.

In another embodiment, the negative end of the light emitting unit may replace the heat dissipating contact, that is, the bottom of the light emitting unit has a positive end and a negative end.

Returning to FIG. 1 , the concentrating unit 20 forms the accommodating groove 202 and the light guide 204 . The accommodating groove 202 is formed in the interior of the light guiding body 204, and the concentrating unit 20 is coupled to the base unit 14. The accommodating groove 202 corresponds to the light source module 18, and the light guiding device The body 204 emits the light source at a diffusion angle to form the full-circumference light source L, for example, the diffusion angle is not less than 260 degrees.

The light guide body 204 further has an incident surface 2042 and an exit surface 2044, such that the light source enters the light guide body 204 through the incident surface 2042, and the light source is reflected and refracted in the light guide body 204. Wherein, most of the light source is emitted through the exit surface 2044, and part of the light source is reflected into the light guide body 204 again, and finally, through multiple reflections, and in the irregular shape of the light guide body 204, Make the light source Finally, the self-exiting surface 2044 is formed to form the full-circumferential light source L. One can refer to FIG. 4 to illustrate a detailed cross-sectional view and a plan view of the concentrating unit of the light source illuminating device of the first embodiment. In FIG. 4, the concentrating unit 20 further includes an annular portion 208 and a recessed portion 2010, the annular portion 208 surrounds the recessed portion 2010, and the recessed portion 2010 exhibits an inverted cone shape, and the recessed portion 2010 The central portion is adjacent to the accommodating groove 202.

In another embodiment, the concentrating unit 204 further includes a fixing portion 206. The fixing portion 206 is configured to fix the concentrating unit 204 to the base unit 14 through the holes 168.

Referring to Fig. 5, there is shown a schematic structural view of a light source lighting device of the second embodiment of the present invention. In FIG. 5 , the light source illumination device 10 ′ may further include a thermal conductive adhesive layer in addition to the electrical connection unit 12 , the base unit 14 , the substrate 16 , the light source module 18 , and the concentrating unit 20 . twenty two.

The thermal adhesive layer 22 is coated on the side of the heat dissipation layout layer 166 that is not in contact with the substrate, and the thermal energy emitted by the heat dissipation layout layer 166 is further performed before the second heat dissipation of the outer casing portion 142. Cooling.

Referring to Fig. 6, a detailed schematic view of the thermally conductive adhesive layer 22 formed on the substrate 16 in the fifth embodiment will be described. In FIG. 6 , the heat dissipation layout layer 166 is further coated with the thermal conductive adhesive layer 22 except for the substrate 162 , the circuit layout layer 164 , the heat dissipation layout layer 166 , and the holes 1610 .

This creation has been disclosed above in the preferred embodiment, but is familiar with this item. It should be understood by those skilled in the art that this embodiment is only used to depict the present invention and should not be construed as limiting the scope of the present invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of patent application.

10, 10'‧‧‧Light source lighting

12‧‧‧Electrical connection unit

14‧‧‧ seat unit

142‧‧‧ Shell Department

144‧‧‧ 容部

16‧‧‧Substrate

162‧‧‧Substrate

164‧‧‧Circuit layout layer

1642‧‧‧ Connection point

1644‧‧‧Circuit area

166‧‧‧ Thermal layout layer

1662‧‧‧heating area

168‧‧‧ hole

18‧‧‧Light source module

182‧‧‧Lighting unit

20‧‧‧ concentrating unit

202‧‧‧ accommodating slots

204‧‧‧Light guide

2042‧‧‧Incoming surface

2044‧‧‧Outlet

206‧‧‧ fixed department

208‧‧‧Rings

2010‧‧‧Depression

22‧‧‧thermal adhesive layer

PW‧‧‧ power supply

L‧‧‧Light source

FL‧‧‧First line

SL‧‧‧second line

1 is an exploded perspective view of a light source illumination device according to a first embodiment of the present invention; FIG. 2 is a schematic plan view showing a housing portion of the base unit in FIG. 1; and FIG. 3 is a detailed schematic view of the substrate in FIG. 4 is a detailed sectional view and a plan view showing a concentrating unit of the light source lighting device of the first embodiment; FIG. 5 is a schematic structural view of the light source illuminating device of the second embodiment of the present invention; and FIG. 6 is a view The heat conductive adhesive layer in FIG. 5 is formed in a detailed schematic view of the substrate.

10‧‧‧Light source lighting

12‧‧‧Electrical connection unit

14‧‧‧ seat unit

142‧‧‧ Shell Department

144‧‧‧ 容部

16‧‧‧Substrate

162‧‧‧Substrate

168‧‧‧ hole

18‧‧‧Light source module

182‧‧‧Lighting unit

20‧‧‧ concentrating unit

202‧‧‧ accommodating slots

204‧‧‧Light guide

2042‧‧‧Incoming surface

2044‧‧‧Outlet

206‧‧‧ fixed department

PW‧‧‧ power supply

L‧‧‧Light source

Claims (12)

A light source lighting device for generating full-circumference light source illumination after receiving a power source, the light source lighting device comprising: an electrical connection unit for receiving the power source, and the electrical connection unit generates a corresponding supply voltage according to the power source; The body unit is a housing portion and a receiving portion having a heat dissipation structure, and the base unit is coupled to the electrical connection unit by one end of the receiving portion; the substrate is disposed at the other end of the receiving portion, and the The substrate is in contact with the base unit, and the substrate is connected to the electrical connection unit to receive the supply voltage; the light source module is disposed on the substrate, and the light source module receives the supply voltage through the substrate to generate thermal energy and a light source, and the thermal energy is transmitted to the base unit by the substrate; and the concentrating unit has a receiving groove and a light guiding body, and the receiving groove is formed inside the light guiding body, and the concentrating unit In combination with the body unit, the receiving groove corresponds to the light source module, and the light guiding body emits the light source at a diffusion angle to form the full-circumference light source. The light source illumination device of claim 1, wherein the light guiding system further comprises an annular portion and a concave portion, the annular portion surrounding the concave portion, and the concave portion has an inverted cone shape, and the concave portion The central portion of the portion is adjacent to the receiving slot. The light source lighting device of claim 2, wherein the expansion The angle of dispersion is not less than 260 degrees. The light source illumination device of claim 1, wherein the substrate further comprises a circuit layout layer and a heat dissipation layout layer, the circuit layout layer and the heat dissipation layout layer are formed on the substrate, and the circuit layout layer and the electricity The connection unit is connected to receive the supply voltage, and the heat dissipation layout layer is formed on the substrate and does not overlap the circuit layout layer. The light source illumination device of claim 4, wherein the circuit layout layer and the heat dissipation layout layer are formed on at least one of a same side and an opposite side of the substrate. The light source illumination device of claim 5, wherein the circuit layout layer forming circuit region and the heat dissipation layout layer form a heat dissipation region, and the circuit region is smaller than the heat dissipation region. The light source illumination device of claim 4, wherein the heat dissipation structure of the outer casing portion is at least one of a fin fin heat dissipation structure, a sheet heat dissipation structure and a columnar heat dissipation structure, and the outer casing portion is The heat energy radiated from the heat dissipation layout layer is thermally dissipated twice. The light source lighting device of claim 7, further comprising a thermal conductive adhesive layer coated on a side of the heat dissipation layout layer that is not in contact with the substrate, wherein the outer casing portion is subjected to secondary heat dissipation. The heat energy radiated from the heat dissipation layout layer is further dissipated. The light source lighting device of claim 1, wherein the light source module is arranged in at least one of a longitudinal direction and a lateral direction and is disposed at the base The central part of the board. The light source illumination device of claim 9, wherein the light source module is a chip on board or a plurality of light emitting diodes. The light source illumination device of claim 1, wherein the substrate further comprises a plurality of holes, the holes being disposed on the substrate. The light source illuminating device of claim 11, wherein the concentrating unit further comprises a fixing portion, wherein the fixing portion is configured to fix the concentrating unit to the base unit through the holes.