CN218385224U - Small-angle COB light source substrate arrangement structure and COB lamp - Google Patents

Abstract

The utility model relates to a technical field of COB lamps and lanterns especially relates to a small-angle COB light source base plate structure of arranging and COB lamps and lanterns. Comprises a substrate and a soldering lug; the middle part of the substrate is provided with a light emitting area which comprises a white light emitting area and an RGB light emitting area; the white light emitting region is arranged in the middle of the light emitting region, and the RGB light emitting region is annular and is arranged around the periphery of the white light emitting region; the white light emitting area and the RGB light emitting area are respectively provided with a white light lamp group and an RGB three-color lamp group, the white light lamp group comprises a warm white light lamp group and a cold white light lamp group, and the warm white light lamp group and the cold white light lamp group are alternately arranged on the white light emitting area up and down to form a plurality of light emitting layers; the light emitting layer is formed by uniformly distributing a plurality of warm white light emitting chips or a plurality of cold white light emitting chips according to the shape of the light emitting layer. The utility model discloses power density is high, and the light emitting area is little, easily realizes great power and multiple luminous angle and different luminous colour temperature or color in less volume lamps and lanterns.

Description

Small-angle COB light source substrate arrangement structure and COB lamp

Technical Field

The utility model relates to a technical field of COB lamps and lanterns especially relates to a small-angle COB light source base plate structure of arranging and COB lamps and lanterns.

Background

Along with the improvement of standard of living, COB (Chip On Board, high power integration face) lamps and lanterns are increasing more extensive in the application in each place, if LED down lamp, guide rail lamp, grille lamp washes the pinup, shot-light lamps and lanterns such as projecting lamp and shot-light source field all have the design. At present, the COB lamps and lanterns on the market can only carry out white light regulation usually, and the colour temperature that can adjust, colour gamut degree are low, can't adapt to different scenes such as house, official working, commercial place, building to the changeable mixing of colors demand of adjusting luminance of lamps and lanterns colour temperature, lamps and lanterns color, luminance and the practical application scene mismatch.

More important, the full-color COB lamps and lanterns that have mixed light function on the market at present, the lamp pearl of its inside light emitting area is usually arranged through the mode of mixing multiple type of lamp pearl, and the luminous chip of warm white light, cold white light mixes and sets up together, leads to the luminous of its lamps and lanterns to concentrate inadequately, needs arrange the luminous chip that the figure is more on the light emitting area, leads to the light emitting area bulky, and its luminous angle is difficult to satisfy the demand of small-angle lamps and lanterns if penetrate lamp etc..

Disclosure of Invention

The utility model discloses a solve present COB lamps and lanterns and can't carry out the effective regulation of colour temperature, color, luminance, mismatch with the practical application scene, the light emitting area is bulky, and the light emitting angle is difficult to the technical problem who satisfies the low-angle lamps and lanterns demand, provides a low-angle COB light source base plate structure of arranging and COB lamps and lanterns.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a small-angle COB light source substrate arrangement structure comprises a substrate and soldering lugs; the middle part of the substrate is provided with a light emitting area which comprises a white light emitting area and an RGB light emitting area; the white light emitting area is arranged in the middle of the light emitting area, and the RGB light emitting area is annular and is arranged around the periphery of the white light emitting area; the white light emitting area and the RGB light emitting area are respectively provided with a white light lamp group and an RGB three-color lamp group, the white light lamp group comprises a warm white light lamp group and a cold white light lamp group, and the warm white light lamp group and the cold white light lamp group are alternately arranged on the white light emitting area up and down to form a plurality of light emitting layers; the light emitting layer is formed by uniformly distributing a plurality of warm white light emitting chips or a plurality of cold white light emitting chips according to the shape of the light emitting layer; white light banks and RGB three-colour banks are respectively through mixing of colors light modulation control ware control connection in soldering lug and the COB lamp source.

Further, the light emitting layer is provided with 2-7 layers.

Furthermore, the white light emitting area is circularly arranged, the light emitting chips of the warm white light lamp group and the cold white light lamp group are uniformly arranged on the light emitting layer in rows at intervals, and the arrangement number of each row is adjusted along with the width of the white light emitting area.

Furthermore, the warm white light lamp group and the cold white light lamp group are arranged in a layered mode on the upper portion and the lower portion of the white light emitting area, the light emitting layer is in a semi-arc shape, and the light emitting chips of the warm white light lamp group and the cold white light lamp group are evenly arranged on the light emitting layer.

Furthermore, the color temperature range of the warm white light lamp set is 1800K-3000K, and the color temperature range of the cold white light lamp set is 4000K-12000K.

Furthermore, the soldering lugs are arranged along the center opposite angles of the substrate or distributed at the four end angles; the soldering lug comprises a lamp group soldering lug and a public soldering lug, wherein the number of the lamp group soldering lug corresponds to that of the lamp groups in the luminous area.

Furthermore, the RGB three-color lamp set is provided with a red light lamp set, a green light lamp set and a blue light lamp set; the luminous chip of red light banks, green light banks and blue light banks sets up along the even alternation of the luminous intraductal middle part circular arc of RGB, just red light banks, green light banks and blue light banks are provided with corresponding soldering lug respectively.

Further, the white light emitting area is arranged in a circular shape, and the diameters of the white light emitting area and the RGB light emitting area are respectively 5mm and 8 mm.

Further, the diameter of the light emitting area is set to be one of 4 mm, 6 mm, 9 mm and 12 mm, and a plurality of small-angle light emitting rays are realized corresponding to different powers according to the diameter of the light emitting area.

The utility model also provides a COB lamps and lanterns, which comprises a substrate, the base plate adopts foretell small-angle COB light source base plate structure of arranging.

The utility model discloses a controller lights or lights simultaneously to each luminous zone alone, adjusts each loop current's mode, and then realizes that full color temperature, panchromatic zone adjust luminance mixing of colors, can adjust the light-emitting according to the atmosphere sight in main illumination, adjusts the colour temperature that can obtain the 1800K-12000K within range. The arrangement structure is high in power density and small in light emitting surface, the light emitting surface can reach 4 mm, 6 mm, 9 mm and 12 mm, larger power, multiple light emitting angles and different light emitting color temperatures or colors can be easily realized in a small-size lamp, the arrangement structure can meet the requirements of different places such as houses, offices and commercial places, the problem that the current color temperature, color and brightness are not matched with the actual application scene is solved, and the market competitiveness of the lamp is improved.

Drawings

Fig. 1 is a schematic structural diagram of a scheme of 4 light emitting layers in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a scheme of 2 light-emitting layers in an embodiment of the present invention.

Fig. 3 is a layout structure diagram of a light emitting chip with 3 light emitting layer schemes in an embodiment of the present invention.

Fig. 4 is a layout structure diagram of a light emitting chip with a scheme of 4 light emitting layers in an embodiment of the present invention.

Fig. 5 is a layout structure diagram of a light emitting chip with a scheme of 2 light emitting layers in an embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of a light emitting chip according to an embodiment of the present invention.

Wherein:

the substrate is 10, the soldering lug is 20, the light emitting area is 30, the white light emitting area is 31, and the RGB light emitting area is 32.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing positional relationship in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.

Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.

Fig. 1 shows a schematic structural diagram of an arrangement structure of a small-angle COB light source substrate in this embodiment.

As shown in fig. 1, the present embodiment provides a COB (Chip On Board) light source substrate 10 arrangement structure, and this COB light source substrate 10 arrangement structure arranges through the regulation to the luminous zone, makes the COB light source can realize under the control of mixing of colors dimming controller that white light, RGB red green blue can adjust the mixture of various colorations under a plurality of luminous angles, increases its use scene when guaranteeing main illumination, through the perfect colour temperature and the color change of natural light round the clock of restoreing of controller to be fit for the illumination under various atmosphere scenes.

In a specific structural aspect, referring to fig. 1 to 6, the COB light source substrate 10 arrangement structure includes a substrate 10 and a bonding pad 20, wherein a light-emitting region 30 is disposed in the middle of the substrate 10, and the light-emitting region 30 is used for mounting and arranging light-emitting chips, so as to form a plurality of light-emitting regions as light sources of a lamp. Specifically, the light emitting region 30 includes a white light emitting region 31 and an RGB light emitting region 32, the white light emitting region 31 is disposed in the middle of the light emitting region 30 and is used for emitting white light, and the RGB light emitting region 32 is annular and disposed around the white light emitting region 31 and is used for three colors of RGB (red, green, and blue). In the specific arrangement aspect of the light emitting area, the white light emitting area 31 and the RGB light emitting area 32 are respectively provided with a white light lamp set and an RGB three-color lamp set, wherein the white light lamp set and the RGB three-color lamp set are respectively connected with each other by the soldering terminal 20 and the color-adjusting and dimming controller in the COB light source.

When the LED lamp is used, the color temperature and the brightness of the light emitting chips in the white light lamp set and the RGB three-color lamp set are controlled by controlling the output current of the color-adjusting and light-adjusting controller in the lamp, and finally light suitable for the current scene atmosphere is output according to the requirement. The user can adjust to corresponding colored light and luminance according to the preset gear in the controller, and also can change the light emission through the remote control adjustment of the color temperature and the luminance of each lamp group, so that the controller is utilized to adjust the current of each loop to realize the light emission adjustment of full color temperature and full color range.

Referring to fig. 1-6, some embodiments of the present embodiment are provided below.

In terms of the soldering terminal 20, in some embodiments, the soldering terminals 20 are disposed diagonally along the center of the substrate 10 or distributed at four corners, the soldering terminal 20 has a lamp group soldering terminal and a common soldering terminal 20 corresponding to the number of lamp groups including the light emitting area, for example, the common soldering terminal 20 is a common anode, and in addition, the lamp group soldering terminal includes a warm white soldering terminal 20, a cool white soldering terminal 20, a red soldering terminal 20, a green soldering terminal 20 and a blue soldering terminal 20, the above-mentioned lamp group soldering terminal is a cathode soldering terminal 20, and the lamp group soldering terminals are respectively connected to a controller, and the controller adjusts the passing current to adjust the color and light. When the soldering lug 20 is arranged along the center diagonal of the substrate 10, the soldering lug 20 can be conveniently arranged, the size of the substrate can be 15.85mmx15.85mm, and the soldering lug is suitable for conventional lamps. The soldering lugs 20 are separately arranged on the periphery of the substrate 10, so that the area of the substrate 10 can be effectively reduced, the area of the substrate 10 is reduced, and the size of the substrate can be 13.35mmx13.35mm.

In terms of the arrangement of the light-emitting regions 30, in some embodiments, the white light lamp set includes a warm white light lamp set and a cold white light lamp set, wherein the warm white light lamp set and the cold white light lamp set are alternately disposed above and below the white light-emitting region to form a plurality of light-emitting layers, and the light-emitting layers are disposed in 2-7 layers. For better operation experience, some embodiments are provided, as shown in fig. 4, the light emitting layer is provided with 2 layers, namely 1 warm white light emitting layer and one cold white light emitting layer, the two light emitting layers are oppositely arranged along the center of the light emitting region 30, and a partial gap may exist between the light emitting layers. Of course, as shown in fig. 5, the number of the light emitting layers may be set to 2 or more alternately, so as to improve the light emitting effect.

In terms of chip arrangement in the light emitting region, as shown in fig. 6, preferably, the white light emitting region is arranged in a circular shape, the light emitting chips of the warm white light lamp set and the cold white light lamp set are arranged on the light emitting layer in rows at regular intervals, and the number of the light emitting chips in each row is adjusted according to the width of the white light emitting region. In other embodiments, the arrangement of the light emitting chips of the warm white light lamp set and the cold white light lamp set in the light emitting layer may also be configured to adjust the position along with the adjustment of the shape of the light emitting layer.

In terms of color temperature of the white lamps, the color temperature range of the warm white lamp set is 1800K-3000K, and the color temperature range of the cold white lamp set is 4000K-12000K.

In the aspect of RGB three-colour banks, RGB three-colour banks is provided with red light banks, green light banks and blue light banks respectively, and wherein, the luminescence chip of red light banks, green light banks and blue light banks is provided with corresponding soldering lug 20 respectively, and the luminescence chip of red light banks, green light banks and blue light banks is with predetermineeing the figure as the unit, evenly sets up in turn on the annular light-emitting area. For example, as shown in fig. 1 to 6, the RGB three-color lamp sets are uniformly and alternately arranged in the annular light emitting region in units of 1.

As a preference of this embodiment, the minimum angle that can be designed in view of the optical lens or the reflector cup of the luminaire is:

minimum beam angle = (light source light emitting face/lens or reflector cup diameter) x100.

For example, a lens of 70mm diameter with a 6 mm light emitting face, the minimum design angle is (6/70) × 100=8.57 degrees. The size of the light emitting surface can be controlled to be one of 4 mm, 6 mm, 9 mm and 12 mm by the arrangement mode of the cold and warm white lamp group and the RGB three-color lamp group on the substrate in the embodiment, so that different powers can be corresponded, and the requirement of small-angle key illumination of an application scene can be met. Compared with competitive products on the market, the light-emitting surface generally exists more than 15 millimeters, and the lamp with the same volume can better meet the small-angle requirement in the aspect of the light-emitting angle by adopting the substrate in the embodiment.

In terms of circuit, please refer to fig. 6, wherein the lamp sets are connected in series, and the anodes thereof are connected to the common soldering terminal 20, and the cathodes thereof are connected to the controller through the corresponding soldering terminals 20.

For a better operational experience, the following implementation data is provided.

Specifically, in the present embodiment, an RGBCW five-color package manner is adopted, the light emitting region 30 is a circular light emitting region 31 with a center position set as a circle, and a circular ring design is adopted on the periphery as an RGB red, green and blue light emitting region.

Specifically, the corresponding letters in this embodiment are expressed as:

r represents red light with the wavelength range of 615-635nm;

g represents green light with a wavelength range of 505-525nm;

b represents blue light, and the wavelength range is 438-490nm;

w is warm white light 1800K, and can be the color temperature between 1800K and 3500K;

c: cold white light 12000K, and color temperature of 4000K to 12000K

In the white light emitting area, the candle light warm white 1800K light emitting area and the cool white 12000K light emitting area are made into a strip shape or an arc shape, the two are arranged at intervals and are enclosed into a circle, so that the uniform mixed light and color mixing is easily realized during dimming and color mixing, the light distribution and the wiring are easy, the groove type process is simple, the light color is easily adjusted, and the reliability is high.

In terms of a driving circuit, the controller of the embodiment performs dimming and color mixing in a constant-current five-way control mode, is respectively connected with the five street lamp groups, adjusts on and off of the lamp groups, and realizes brightness change of the lamp groups from 1% to 100% in a mode of adjusting current of each loop. Specifically, the control mode of the user can be adjusted according to a preset gear or adjusted manually by self-definition. In this embodiment, the control chip of the controller is an MBI6662 chip.

The advantage of this embodiment lies in that the COB lamps and lanterns can be through using foretell COB light source base plate 10 arrangement structure, light each light emitting zone alone or light simultaneously through the controller, adjust the mode of each return circuit current, and then realize full color temperature, full color gamut and adjust the mixing of colors that adjusts luminance, can adjust the light-emitting according to the atmosphere sight when main illumination, and adjust and can obtain the colour temperature in the 1800K-12000K scope. The arrangement structure is high in power density and small in light emitting area, large power, multiple light emitting angles and different light emitting color temperatures or colors can be easily realized in a small-size lamp, the requirements of different places such as houses, offices and commercial places can be met, the problem that the current color temperature, color and brightness are not matched with an actual application scene is solved, and the market competitiveness of the lamp is improved.

This embodiment still provides a COB lamps and lanterns, and this COB lamps and lanterns include base plate 10, and is concrete, and this base plate 10 adopts foretell COB light source base plate 10 arrangement structure to send out arranging of light chip, soldering lug 20, realizes full colour temperature, panchromatic domain and adjusts luminance mixing of colors, has solved current lamps and lanterns and has had the not enough and inhomogeneous problem of mixed light colour mixture of luminous angle, has satisfied the mixing of colors demand of adjusting luminance under each scene.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A small-angle COB light source substrate arrangement structure is characterized by comprising a substrate and soldering lugs; a light emitting area is arranged in the middle of the substrate and comprises a white light emitting area and an RGB light emitting area; the white light emitting area is arranged in the middle of the light emitting area, and the RGB light emitting area is annular and is arranged around the periphery of the white light emitting area; the white light emitting area and the RGB light emitting area are respectively provided with a white light lamp group and an RGB three-color lamp group, the white light lamp group comprises a warm white light lamp group and a cold white light lamp group, and the warm white light lamp group and the cold white light lamp group are alternately arranged on the white light emitting area up and down to form a plurality of light emitting layers; the light emitting layer is formed by uniformly distributing a plurality of warm white light emitting chips or a plurality of cold white light emitting chips according to the shape of the light emitting layer; white light banks and RGB three-colour banks are respectively through mixing of colors light modulation control ware control connection in soldering lug and the COB light source.

2. The small-angle COB light source substrate arrangement of claim 1, wherein the luminescent layer is provided with 2-7 layers.

3. The small-angle COB light source substrate arrangement structure of claim 2, wherein the white light emitting zones are arranged in a circular shape, the light emitting chips of the warm white light bank and the cold white light bank are arranged in rows at regular intervals on the light emitting layers, and the number of the light emitting chips in each row is adjusted along with the width of the white light emitting zones.

4. The small-angle COB light source substrate arrangement of claim 3, wherein the warm white light bank and the cold white light bank are layered above and below the white light emitting region, the light emitting layer is configured as a half arc, and the light emitting chips of the warm white light bank and the cold white light bank are uniformly disposed on the light emitting layer.

5. The small-angle COB light source substrate arrangement of any one of claims 2-4, wherein the warm white light cluster color temperature range is 1800K-3000K, and the cold white light color temperature range is 4000K to 12000K.

6. The small-angle COB light source substrate arrangement of claim 1, wherein the bonding pads are disposed diagonally along the center of the substrate or distributed at four corners; the soldering lug comprises a lamp group soldering lug and a public soldering lug, wherein the number of the lamp group soldering lug corresponds to that of the lamp groups in the luminous area.

7. The small-angle COB light source substrate arrangement of any of claims 1-4, wherein the RGB tristimulus light groupings are provided with a red light grouping, a green light grouping, and a blue light grouping; the luminous chip of red light banks, green light banks and blue light banks sets up along the even alternation of the luminous intraductal middle part circular arc of RGB, just red light banks, green light banks and blue light banks are provided with corresponding soldering lug respectively.

8. The small-angle COB light source substrate arrangement of claim 7, wherein the white light emitting zones are arranged in a circle, and the white light emitting zones and the RGB light emitting zones have diameters of 5mm and 8 mm, respectively.

9. The small-angle COB light source substrate arrangement of claim 1, wherein the diameter of the light-emitting region is configured to be at least one of 4 mm, 6 mm, 9 mm, and 12 mm, and a plurality of small-angle light extraction is implemented according to the diameter of the light-emitting region for different powers.

10. A COB lamp fixture, comprising a substrate that employs the small-angle COB light source substrate arrangement of any of claims 1-9.

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