CN209282199U

CN209282199U - A kind of double-colored COB of tunable optical Tai Ji moulding

Info

Publication number: CN209282199U
Application number: CN201822199321.5U
Authority: CN
Inventors: 曾荣昌; 李恒彦; 张智鸿; 袁瑞鸿; 万喜红; 雷玉厚
Original assignee: FUJIAN LIGHTNING OPTOELECTRONIC Co Ltd
Current assignee: FUJIAN LIGHTNING OPTOELECTRONIC Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-08-20
Anticipated expiration: 2028-12-26

Abstract

The utility model relates to a kind of double-colored COB of tunable optical Tai Ji moulding, including substrate, the LED chip being fixed on substrate and the positive and negative anodes weld tabs being electrically connected with LED chip, and it is applied to the phosphor powder layer in LED chip, it is characterized by: cloth is set as a circular illumination area to the LED chip on the substrate, circular illumination area outer ring is with annular box dam, it is additionally provided with a curved shape box dam in the lighting area, the lighting area is divided into Tai Ji moulding, it is respectively the area C and the area W that the lighting area, which is divided into two pieces, the area C and the area W colour temperature difference, the area C is identical with the area in the area W, and the LED chip power in the area C and the area W is equal, the dark space of illumination can be eliminated, colour mixture is more evenly, illuminating effect is more preferable, realize broader toning range.

Description

A kind of double-colored COB of tunable optical Tai Ji moulding

Technical field

The utility model relates to technical field of LED illumination, especially a kind of double-colored COB of tunable optical Tai Ji moulding.

Technical background

COB light source is also referred to as LED integrated optical source, is plurality of LEDs chip array to be arranged, and directly stick in one piece of base On plate, LED chip passes through gold thread between each other or line layer connects, and then passes through the positive and negative anodes pad and power supply on substrate It connects；With the development of society, market is to adjustable polychromatic source colour consistency and stablizes the photoelectric parameters such as light-emitting surface and has More stringent requirement, to meet the needs of various environment；Existing COB light source as shown in Figure 1 is usually LED chip Outer ring and inner ring are surrounded on substrate, the colour temperature of inner and outer ring is different, and colour temperature may be implemented in the brightness by adjusting inner ring and outer rings Adjusting, but will form dark space when the LED chip of inner ring does not work, the hot spot brightness irregularities for causing lamps and lanterns to project.

Utility model content

To solve the above problems, the purpose of the utility model is to provide a kind of double-colored COB colour mixture of tunable optical Tai Ji moulding is equal It is even, hot spot is complete.

It is realized in the utility model embodiment using following scheme: a kind of double-colored COB of tunable optical Tai Ji moulding, including base It plate, the LED chip being fixed on substrate and the positive and negative anodes weld tabs being electrically connected with LED chip and is applied to glimmering in LED chip Light bisque, cloth is set as a circular illumination area to the LED chip on the substrate, and circular illumination area outer ring is with annular Box dam is additionally provided with a curved shape box dam for the lighting area in the lighting area and is divided into Tai Ji moulding, the illumination It is respectively the area C and the area W that area, which is divided into two pieces, and the area C and the area W colour temperature are different, and the area C is identical with the area in the area W, And the LED chip power in the area C and the area W is equal.

In an embodiment of the utility model, the area C is provided with 4 groups of LED illumination groups, LED illumination group string described in every group 12 LED chips are associated with, and are connected to the positive and negative anodes weld tabs in the area C；4 groups of LED illumination groups are provided in the area W, LED illumination group described in every group is in series with 12 LED chips, and is connected to the positive and negative anodes weld tabs in the area W, the LED core Piece is evenly spaced in the area C and the area W.

In an embodiment of the utility model, pass through gold thread between the LED chip in every group to concatenate.

In an embodiment of the utility model, the surface in the surface in the area C and the area W covers different types of fluorescence Glue.

In an embodiment of the utility model, the upper right corner in the lower left corner of the substrate and the substrate is provided with first Through-hole；The second through-hole is provided with above the first through hole of the substrate lower left corner.

In an embodiment of the utility model, the route connecting with the positive and negative anodes weld tabs is embedded on the box dam Layer, the gold thread are connected to corresponding positive and negative anodes weld tabs with the connection of corresponding line layer.

In an embodiment of the utility model, the occupied area in the Tai Ji moulding of LED chip described in every is identical.

The utility model has the beneficial effects that the utility model provides a kind of double-colored COB of tunable optical Tai Ji moulding, the area C and the area W Area equation, using the LED chip of constant power so that shine more evenly；Such design method is closer to a circle, light Spot can be than more complete, and the luminous zone of thin portion can achieve the effect of complementary color in figure, does not have dark space and colour mixture after realizing light mixing Better effect, more preferably, LED chip arrangement rationally makes dispensing is more convenient to be conducive to improve encapsulation to the wider illuminating effect of color change interval Efficiency.

Detailed description of the invention

Fig. 1 is the moulding of the double-colored COB of tradition.

Fig. 2 is a kind of double-colored COB structural schematic diagram of tunable optical Tai Ji moulding.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

Referring to Fig. 2, the utility model provides a kind of double-colored COB of tunable optical Tai Ji moulding, including substrate 1 and it is fixed on base LED chip 2 and the positive and negative anodes weld tabs being electrically connected with LED chip 2 on plate 1 and the phosphor powder layer being applied in LED chip 2, The LED chip 2 cloth on the substrate 1 is set as a circular illumination area, and circular illumination area outer ring is with annular box dam 3, it is additionally provided with a curved shape box dam 7 in the lighting area by the lighting area and is divided into Tai Ji moulding, this design side Formula is closer to a circle, and hot spot can be than more complete, and the luminous zone of thin portion can achieve the effect of complementary color, the photograph in figure It is respectively the area C 5 and the areas W 9 that area pellucida, which is divided into two pieces, and 9 colour temperature of the area the area C 5 and W is different, the area C 5 and the area W 9 Area is identical, and the area C 5 is equal with 2 power of the LED chip in the area W 9, equal region area and identical LED 2 power of chip is the optical design in order to be conducive in subsequent technique.

Please continue to refer to Fig. 2, in an embodiment of the utility model, the area C 5 is provided with 4 groups of LED illumination groups, and every group The LED illumination group is in series with 12 LED chips 2, and is connected to the positive and negative anodes weld tabs 11 in the area C 5；In the area W 9 4 groups of LED illumination groups are provided with, LED illumination group described in every group is in series with 12 LED chips 2, and is connected to the area W 9 Positive and negative anodes weld tabs 8, the LED chip 2 are evenly spaced in the area C 5 and the area W 9, packet concatenation, it is ensured that LED described in single group Illumination group other groups that break down can work normally.

Please continue to refer to Fig. 2, in an embodiment of the utility model, pass through gold thread between the LED chip 2 in every group 10 concatenations.

Please continue to refer to Fig. 2, in an embodiment of the utility model, the surface in the surface in the area C 5 and the area W 9 is covered Different types of fluorescent glue is covered, the light that different fluorescent glues irradiates LED chip 2 shows different colour temperatures.

Please continue to refer to Fig. 2, in an embodiment of the utility model, the lower left corner and the substrate 1 in the substrate 1 The upper right corner is provided with first through hole 6；The top of 1 lower left corner first through hole 6 of substrate is provided with the second through-hole 4.

Please continue to refer to Fig. 2, in an embodiment of the utility model, be embedded on the box dam respectively with the area C 5 The line layer 12 of positive and negative anodes weld tabs 11 and the connection of 9 positive and negative anodes weld tabs 8 of the area W；The gold thread 10 and the corresponding line layer 12 connections, that is, be connected to corresponding positive and negative anodes weld tabs；Realize the area C 5 the LED chip 2 and the area W 9 The LED chip 2 controls respectively, controls the brightness of two region LED chips 2 respectively, realizes the adjusting of colour temperature.

In an embodiment of the utility model, the occupied area phase in the Tai Ji moulding of LED chip 2 described in every Together, i.e., the area accounted in the area C 5 and the area W 9 is identical, so that light is more uniform.

The above is only the preferred embodiment of the present invention, should not be understood as the limitation to the application, and Fan Yiben is real The equivalent changes and modifications made of novel claim should all belong to the covering scope of the utility model.

Claims

1. a kind of double-colored COB of tunable optical Tai Ji moulding, is electrically connected including substrate, the LED chip being fixed on substrate and with LED chip The positive and negative anodes weld tabs connect and the phosphor powder layer being applied in LED chip, it is characterised in that: the LED chip is in the substrate Upper realization cloth is set as a circular illumination area, and circular illumination area outer ring is with annular box dam, also sets in the lighting area It is equipped with a curved shape box dam and the lighting area is divided into Tai Ji moulding, two pieces of respectively C that the lighting area is divided into Area and the area W, the area C and the area W colour temperature are different, and the area C is identical with the area in the area W, and the area C and the area W The LED chip power is equal.

2. a kind of double-colored COB of tunable optical Tai Ji moulding according to claim 1, it is characterised in that: the area C is provided with 4 Group LED illumination group, LED illumination group described in every group are in series with 12 LED chips, and are connected to the positive and negative anodes weldering in the area C Piece；4 groups of LED illumination groups are provided in the area W, LED illumination group described in every group is in series with 12 LED chips, and connects To the positive and negative anodes weld tabs in the area W, the LED chip is evenly spaced in the area C and the area W.

3. a kind of double-colored COB of tunable optical Tai Ji moulding according to claim 1 or 2, it is characterised in that: described in every group It is concatenated between LED chip by gold thread.

4. a kind of double-colored COB of tunable optical Tai Ji moulding according to claim 1, it is characterised in that: on a left side for the substrate The upper right corner of inferior horn and the substrate is provided with first through hole；Second is provided with above the first through hole of the substrate lower left corner Through-hole.

5. a kind of double-colored COB of tunable optical Tai Ji moulding according to claim 3, it is characterised in that: buried on the box dam Equipped with the line layer being connect respectively with the area the C positive and negative anodes weld tabs and the area the W positive and negative anodes weld tabs；The gold thread and corresponding institute Line layer connection is stated, that is, is connected to corresponding positive and negative anodes weld tabs.

6. a kind of double-colored COB of tunable optical Tai Ji moulding according to claim 1 or 2, it is characterised in that: described in every LED chip occupied area in the Tai Ji moulding is identical.