TWM468620U - Illumination device - Google Patents

Description

Lighting device

The invention relates to a lighting device, in particular to a lighting device with a light emitting diode as a light source and a wide illumination angle.

In general, an illumination device using a light-emitting diode as a light-emitting source has a relatively concentrated illumination angle due to the structure of the light-emitting diode die itself and its packaging method, so it is commonly used in flashlights, indicator lights, etc. For the purpose of use; but because the light-emitting diode has the advantages of power saving, long service life and cold light, it is still applied to indoor lighting, such as light bulbs, and with some structural design to make the illumination angle wider and more Evenly.

Referring to FIG. 1 , a conventional LED lamp 1 includes a lamp board 11 , a plurality of LED units 12 , a lamp holder 13 and a lamp cover 14 .

The light board 11 has a surface 111 and a circuit pattern 112. The light emitting diode unit 12 is disposed on the surface 111 of the light board 11 and is electrically connected to the circuit pattern 112 to obtain an external power. The light emitting diode unit 12 emits light.

The lamp holder 13 is disposed on the lamp board 11 and has an electrical connection end 131 for electrically connecting to the external power. When the power is on, the external power can be transmitted to the light board 11 by the electrical connection end 131. Circuit pattern 112, at the same time, the light emitting diode units 12 disposed on the circuit pattern 112 emit light.

Finally, the lamp cover 14 covers the lamp plate 11 and is fixed to the lamp cover 11 In addition to protecting the light-emitting diode units 12 on the light board 11, the lamp holder 13 can also be designed according to the requirements of aesthetics and use form.

Referring to FIG. 2, such a conventional LED lamp 1 is The limitation of the light-emitting structure and the packaging method makes the angle of light emission limited; therefore, there is also developed a three-dimensional light board 11' having a three-dimensional structure as shown in FIG. 3, which is different from the plane structure of FIGS. The three-dimensional light board 11' has a top surface 113, and a side wall surface 114 extending from the top surface 113 toward the socket 13, that is, the three-dimensional light board 11' has a square pillar shape, and the light-emitting two The polar body unit 12 is disposed on the top surface 113 and the side wall surface 114 of the three-dimensional light board 11'. The illumination of the light-emitting diode unit 12 on the side wall surface 114 increases the overall light-emitting angle.

Of course, there are also applications for patents in Taiwan, such as 099139674. The LED illuminator disclosed is a purpose of achieving a dispersible illuminating angle by using an element such as a lens. However, regardless of the configuration of the stereoscopic lamp board 11' or the arrangement of the lens, it is quite complicated in production and assembly, and therefore, in addition to the above manner, How to increase the angle of illumination based on convenience and suitable for mass production is still necessary for its research and development.

Therefore, the object of the present invention is to provide an illumination device which is simple in structure, easy to assemble, and has a large illumination angle.

Therefore, the novel lighting device comprises a light board and a plurality of first a light emitting diode unit, a plurality of second light emitting diode units, a lamp holder, and a lamp cover.

The light panel has a plane and a circuit pattern, the plane having A central area and an outer ring area surrounding the central area.

The first light emitting diode units are disposed on a plane of the light board The central area is electrically connected to the circuit pattern to emit a light when energized, and each of the first light-emitting diode units includes a light-emitting surface that causes the corresponding light to leave, and the first light-emitting surface The light exiting surface of the polar body unit is substantially parallel to the plane.

The second light emitting diode units are disposed on a plane of the light board The outer ring region is electrically connected to the circuit pattern to emit a light when energized, and each second light emitting diode unit includes a light emitting surface for causing the corresponding light to leave, and the second light The light-emitting surface of the light-emitting diode unit and the plane define a predetermined angle.

The lamp holder is provided for the lamp board and the circuit pattern of the lamp board is An external power is electrically connected, and the lamp holder and the first and second light emitting diode units are respectively disposed on opposite sides of the light board.

The lamp cover is fixed on the lamp holder and covers the lamp panel.

In addition, another illumination device of the present invention comprises a light board and a complex The first light emitting diode unit, the plurality of second light emitting diode units, a lamp holder, and a lamp cover.

The light panel is flexible and includes a center plane surrounding the An outer ring plane of the center plane, and a circuit pattern, the center plane being integrally formed with the outer ring plane, and the outer ring plane is surrounded by the center plane Extending at a predetermined angle from the center plane toward a direction away from the center plane.

The first light emitting diode units are disposed at the center of the light panel The plane is electrically connected to the circuit pattern to emit a light when energized, and each of the first LED units includes a light exiting surface corresponding to the light corresponding thereto, and the first light emitting diodes The illuminating surface of the unit is substantially parallel to the central plane.

The second light emitting diode unit is disposed on the outer ring of the light board The plane is electrically connected to the circuit pattern to emit a light when energized, and each of the second LED units includes a light exiting surface for causing the corresponding light to exit, and the second light emitting diodes The light exiting surface of the body unit is substantially parallel to the outer ring plane.

The lamp holder is provided for the lamp board and the circuit pattern of the lamp board is An external power is electrically connected, and the lamp holder and the first and second light emitting diode units are respectively disposed on opposite sides of the light board.

The lamp cover is fixed on the lamp holder and covers the lamp panel.

The effect of the novel is to use the first light-emitting diode single The combination design of the second and second light-emitting diode units and the light board can display a wider angle of light illumination on the light board, and the overall structure is simple and the assembly is easy, so that the process cost is reduced and the product can be improved. Competitiveness in the market.

2‧‧‧light board

2A‧‧‧light board

2B‧‧‧Light board

21‧‧‧ plane

211‧‧‧ Central District

212‧‧‧Outer Ring Area

22‧‧‧Auxiliary block

221‧‧‧ sloped surface

23‧‧‧ pit

231‧‧‧ pit surface

24‧‧‧ circuit pattern

3‧‧‧First LED unit

31‧‧‧Glossy

32‧‧‧Package

321‧‧‧bearing plane

33‧‧‧Light-emitting diode grains

4‧‧‧Second light-emitting diode unit

41‧‧‧Glossy

42‧‧‧Package

421‧‧‧bearing plane

43‧‧‧Light-emitting diode grains

5‧‧‧ lamp holder

6‧‧‧shade

7‧‧‧light board

71‧‧‧ center plane

72‧‧‧Outer ring plane

721‧‧‧wing

73‧‧‧ circuit pattern

8‧‧‧Heat fins

Θ‧‧‧predetermined angle

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a cross-sectional view illustrating a conventional light-emitting diode lamp; 2 is a cross-sectional view showing a light panel and a plurality of light emitting diode units of the conventional light emitting diode lamp; FIG. 3 is a perspective view showing a stereo light board of the conventional light emitting diode lamp; 1 is a cross-sectional view showing a first preferred embodiment of the lighting device of the present invention; FIG. 5 is a cross-sectional view showing a lamp panel configuration of the first teaching embodiment; FIG. 6 is a cross-sectional view showing the lighting device of the present invention. FIG. 7 is a cross-sectional view showing a plurality of second light emitting diode unit states of a third preferred embodiment of the lighting device of the present invention; FIG. 8 is a perspective view of FIG. A light panel of a fourth preferred embodiment of the illuminating device of the present invention; FIG. 9 is a cross-sectional view showing the state in which the plurality of first and second light emitting diode units of the fourth preferred embodiment are disposed; and FIG. A cross-sectional view illustrates a fifth preferred embodiment of the illumination device of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 4 and FIG. 5, a first preferred embodiment of the illuminating device of the present invention comprises a light board 2, a plurality of first light emitting diode units 3, a plurality of second light emitting diode units 4, and a lamp holder 5. And a lampshade 6.

The first light emitting diode unit 3 and the second light emitting diodes The body unit 4 is disposed on the light board 2, and the lamp holder 5 is fixed for the light board 2 and electrically connects the light board 2 with an external power to provide power to the first light emitting diode unit 3. The second LED unit 4 is illuminated, and the lamp holder 5 and the first and second LED units 3 and 4 are respectively disposed on opposite sides of the lamp board; the lamp cover 6 The first light-emitting diode unit 3 and the second light-emitting diode unit 4 are fixed on the lamp holder 5 and covered by the lamp board 2, and the lamp cover 6 can also be Makes the light more soft and more suitable for indoor lighting.

The light panel 2 has a plane 21, and the plane 21 defines a middle The core region 211 and an outer ring region 212 surrounding the central region 211, and the plurality of first light emitting diode units 3 are disposed in the central region 211 of the plane 21, and the plurality of second light emitting diode units 4 The outer ring region 212 is disposed on the plane 21; of course, the lamp board 2 also has a predetermined circuit pattern 24 for the first light emitting diode unit 3, and the second light emitting unit 2 The polar body unit 4 is correspondingly disposed to provide an external power (not shown) for the first light emitting diode unit 3 and the second light emitting diode unit 4 to emit light, but the circuit pattern 24 is partially a technology It is well known to the field and is not the focus of this new type of creation, so it will not be repeated.

In particular, each of the first LED units 3 includes one The light-emitting surface 31 of the first light-emitting diode unit 3 is substantially parallel to the plane 21 of the light-emitting board 2, and more specifically, each light-emitting surface 31 is A top surface of each of the first light-emitting diode units 3 is defined as a light-emitting surface 31 of each of the first light-emitting diode units 3 as a whole.

Each of the second LED units 4 also includes a The light-emitting surface 41 of the second light-emitting diode unit 4 is formed at a predetermined angle θ with respect to the plane 21 of the light-emitting diode 2, and in more detail, each light-emitting surface 41 is A top surface of each of the second LED units 4 is defined as a light exit surface 41 of the second LED unit 4, and the predetermined angle θ is determined by each of the second LED units 4 The extension of the light exit surface 41 is at an angle to the plane 21 of the light panel 2.

In more detail, a plurality of auxiliary blocks are formed on the light board 2 22, the auxiliary blocks 22 are located in the outer ring region 212 of the plane 21 of the lamp panel 2, and each of the auxiliary blocks 22 protrudes from the plane 21 of the lamp panel 2 away from the plane 21 and has An inclined surface 221 defining the predetermined angle θ is defined together with the plane 21 of the light board 2, and the second light emitting diode units 4 are respectively disposed on the inclined surfaces 221 of the auxiliary blocks 22; The help of the auxiliary blocks 22 causes the light-emitting surface 41 of the second light-emitting diode unit 4 to exhibit an oblique angle with the plane 21 at the predetermined angle θ.

In the first preferred embodiment, the tilt of each auxiliary block 22 The predetermined angle θ between the inclined surface 221 and the plane 21 of the light board 2 is the same, but it can of course be adjusted as needed in actual implementation.

The arrangement of the auxiliary blocks 22 in the first preferred embodiment The second LED unit 4 located in the outer ring region 212 of the lamp panel 2 can change the angle of the light exit surface 41, and then cooperate with the first light-emitting diodes located in the central region 211 of the light panel 2. The polar body unit 3 can greatly improve the illumination angle of the overall device.

Referring to FIG. 4 and FIG. 6, it is a second comparison of the lighting device of the present invention. A preferred embodiment is similar to the first preferred embodiment except that in the second preferred embodiment, the lamp panel 2A has a plurality of planes 21 located on the panel 2A. The dimples 23 are inwardly inclined from the plane 21 of the lamp panel 2A and the plane 21 of the lamp panel 2A by a predetermined angle θ, and each of the dimples 23 is defined by a pit surface 231. The second light-emitting diode units 4 are respectively disposed on the respective concave surface 231 so that the light-emitting surface 41 of each of the second light-emitting diode units 4 is common to the plane 21 of the light-emitting board 2A. The predetermined angle θ is defined.

That is, in the second preferred embodiment, the concaves are The pit 23 replaces the auxiliary block 22 (see FIG. 5) in the first preferred embodiment described above, and the second light-emitting diode unit 41 and the plane 21 of the lamp board 2A are formed to form the predetermined angle θ to improve. Overall light angle.

Referring to FIG. 4 and FIG. 7, it is a third comparison of the novel lighting device. A preferred embodiment is similar to the first preferred embodiment, except that a light panel 2B of the third preferred embodiment does not have the auxiliary blocks 22, and the first light emitting diode units 3 Different configurations of the second light emitting diode units 4.

In the third preferred embodiment, each of the first light emitting diodes The unit 3 includes a package base 32 and at least one LED die 33. The package base 31 has a bearing plane 321 and is fixed on the plane 21 of the lamp board 2B. The carrier plane 321 is provided for the LED body. The granules 33 are disposed and the planes 321 of the lamp plate 2B are parallel to each other, and in more detail, the light-emitting surface of each of the first illuminating diode units 3 is formed by the respective package seats 31. A top surface is defined; that is, the light exit surface 31 of the first light emitting diode unit 3 is still substantially parallel to the plane 21 of the light panel 2B.

Each of the second LED units 4 includes a package holder 42 And at least one light-emitting diode die 43. The package base 42 has a bearing plane 421 and is fixed on the plane 21 of the light board 2B. The bearing plane 421 is disposed on the light-emitting diode die 43 and the bearing The plane 421 forms the predetermined angle θ with the plane 2B of the lamp board 2B, and in more detail, the light-emitting surface of each second LED unit 4 is defined by a top surface of each package seat 41; That is, the light-emitting surfaces of the second light-emitting diode units 4 are inclined so that the light-emitting angle is different from the forward light-emitting of the first light-emitting diode units 3.

Supplementally, the first light emitting diode unit 3 The package holder 32 and the package holders 42 of the second LED units 4 are generally formed by press molding, so that the angle of the predetermined angle θ can be adjusted according to requirements, and the stereo panel 11' is used compared with the prior art (see the figure). 3), or set the lens to disperse light and other lamps, such package holders 32, 42 are more convenient in production and installation and lower cost to the overall lighting device.

Referring to Figures 8 and 9, it is a fourth comparison of the novel lighting device. The preferred embodiment is different from the above-mentioned first preferred embodiment in the form of a light board. The light board 7 of the fourth preferred embodiment is still disposed on the socket 5, and the light board 7 includes a center. a plane 71, an outer ring plane 72, and a circuit pattern 73 for the first light emitting diode unit 3 and the second light emitting diode units 4 to be correspondingly provided to provide an external power ( The first light-emitting diode unit 3 and the second light-emitting diodes are single. Yuan 4 shines.

In particular, the light panel 7 has flexibility and the center plane 71 is integrally formed with the outer ring plane 72, that is, the outer ring plane 72 is integrally extended from the periphery of the center plane 71, and is stretched to a predetermined angle θ by its flexibility. In the preferred embodiment, the center plane 71 is rectangular, and the outer ring plane 72 includes four wings 721 that extend from the four sides of the center plane 71, respectively.

The first light emitting diode units 3 are disposed on the light board 7 The center plane 71, and the light-emitting surface 31 of the first light-emitting diode unit 3 is substantially parallel to the center plane 71; and the second light-emitting diode unit 4 is disposed on the outer ring of the light board 7. The plane 72 and the light-emitting surface 41 of the second LED unit 4 are substantially parallel to the outer ring plane 72, thereby making the illumination angle of the overall illumination device wider.

Referring to FIG. 10, it is a fifth preferred embodiment of the novel lighting device. The fifth preferred embodiment is similar to the fourth preferred embodiment, except that the fifth preferred embodiment further includes a plurality of heat dissipation fins 8 and the heat dissipation fins 8 and the light board 7 The heat sink fins 8 and the lamp sockets 5 are respectively disposed on opposite sides of the light board 7, respectively.

The heat dissipation fins 8 are used for the first light emitting diodes The heat conduction caused by the power supply of the second light-emitting diode unit 4 is reduced, and the light board 7, the first light-emitting diode unit 3, and the second light-emitting diode unit 4 are lowered. Temperature to increase service life.

In summary, the present invention is based on improving the use of light-emitting diodes as light. The light-emitting angle of the source lighting device must be considered in consideration of the cost of the product process, and the light-emitting surface 2 is disposed in the central panel 211 and the light-emitting surface 31 is parallel to the light-emitting panel 2 a light-emitting diode unit 3, and a second light-emitting diode unit 4 in the outer ring region 212 and having a light-emitting surface 41 at an angle with the plane of the light-emitting plate 2, the original light-emitting range is narrowed by the improvement of the structural arrangement. The illumination device has a wide illumination angle, and the component structure is simple and the assembly is easy, so the purpose of the present invention can be achieved.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

2‧‧‧light board

21‧‧‧ plane

24‧‧‧ circuit pattern

3‧‧‧First LED unit

31‧‧‧Glossy

4‧‧‧Second light-emitting diode unit

41‧‧‧Glossy

5‧‧‧ lamp holder

6‧‧‧shade

θ‧‧‧Predetermined angle

Claims (7)

A lighting device comprising: a light panel comprising a plane and a circuit pattern, the plane having a central area and an outer ring area surrounding the central area; a plurality of first light emitting diode units disposed on the light board The central area of the plane is electrically connected to the circuit pattern to emit a light when energized, and each of the first light emitting diode units includes a light emitting surface from which the corresponding light rays exit, and the first light emitting The light-emitting surface of the diode unit is substantially parallel to the plane; the plurality of second light-emitting diode units are disposed on the outer ring region of the top surface of the light panel and are electrically connected to the circuit pattern to be capable of emitting electricity when energized a light-emitting diode, each of the second light-emitting diode units includes a light-emitting surface that causes the corresponding light to exit, and the light-emitting surface of the second light-emitting diode unit and the plane define a predetermined angle; a lamp holder for arranging the lamp board and electrically connecting the circuit pattern of the lamp board to an external power, and the lamp holder is located on a side of the lamp board opposite to the first and second light emitting diode units And a lampshade, fixed The socket housing and the lamp cover plate. The illuminating device of claim 1, wherein the lamp panel protrudes from the outer ring region of the plane of the lamp plate in a direction away from the plane, and each auxiliary block has an inclined surface. And the inclined surface of each auxiliary block defines the predetermined angle together with the plane of the light board, and each of the second light emitting diode units is respectively disposed on an inclined surface of each auxiliary block, and each second light is The light emitting surface of the polar body unit is associated with the light panel The planes collectively define the predetermined angle. The illuminating device of claim 1, wherein the light panel is inclined inwardly from the outer ring region of the plane of the light panel and the predetermined angle of the light panel plane, and the plurality of pits are recessed by a pit. Each of the second light-emitting diode units is disposed on the respective concave surface, and the light-emitting surface of each of the second light-emitting diode units is defined together with the plane of the light board. Schedule an angle. The illuminating device of claim 1, wherein each of the first LED units comprises a package base and at least one LED die, and the package seat of each of the first LED units is fixed on the The plane of the light board has a bearing plane, and the bearing planes of the first light emitting diode units are disposed for the light emitting diode die, and the bearing planes of the first light emitting diode units and the plane of the light board are mutually Parallel, and a top surface of each of the first LED units defines a light-emitting surface; each of the second LED units includes a package base and at least one LED die, each of which The package of the second LED unit is fixed on the plane of the lamp board and has a bearing plane, and the bearing plane of each of the second LED units is disposed on the LED of the LED, and each second illumination The bearing plane of the diode unit and the plane of the lamp board jointly define the predetermined angle, and a top surface of the package seat of each second LED unit defines a light emitting surface; wherein each first light Diode unit and each second light emitting diode The light exiting surface of the unit is substantially parallel to its corresponding carrying plane. A lighting device comprising: a light panel having flexibility and including a center plane, an outer ring plane surrounding the center plane, and a circuit pattern integrally formed with the outer ring plane, wherein the outer ring plane is formed by the center a plane periphery extending at a predetermined angle from the center plane toward a direction away from the center plane; a plurality of first LED units disposed at a center plane of the panel and electrically connected to the circuit pattern to be energized A light is emitted, each of the first light emitting diode units includes a light exiting surface that causes the corresponding light to exit, and the light emitting surfaces of the first light emitting diode units are substantially parallel to the center plane; a second LED unit disposed on the outer ring plane of the lamp board and electrically connected to the circuit pattern to emit a light when energized, each second LED unit including a second light-emitting diode unit Corresponding light exiting the light exiting surface, and the light emitting surface of the second light emitting diode unit is substantially parallel to the outer ring plane; a lamp holder for the light board to be disposed and the circuit pattern of the light board and an outer portion Electrically connected to the force, and the lamp holder with such first and second light-emitting diode units are respectively disposed on opposite sides of the lamp panel; and a lampshade, fixed on the socket housing and the lamp cover plate. The lighting device of claim 5, wherein the center plane of the light panel is rectangular, the outer ring plane has four wings, and the wings respectively extend from four sides of the center plane. The lighting device of claim 6, further comprising a plurality of heat dissipating fins connected to the lamp board to connect the first and second light emitting diodes The heat generated by the body unit is thermally guided away, and the heat dissipating fins and the first and second light emitting diode units are respectively disposed on opposite sides of the light board.