CN201521811U - LED lamp with adjustable color temperature - Google Patents
LED lamp with adjustable color temperature Download PDFInfo
- Publication number
- CN201521811U CN201521811U CN2009200592564U CN200920059256U CN201521811U CN 201521811 U CN201521811 U CN 201521811U CN 2009200592564 U CN2009200592564 U CN 2009200592564U CN 200920059256 U CN200920059256 U CN 200920059256U CN 201521811 U CN201521811 U CN 201521811U
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- led lamp
- adjustable
- colour temperature
- led
- lamp
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Abstract
The utility model discloses an LED lamp with adjustable color temperature. The LED lamp is formed by packaging a plurality of LED chips with different lighting colors on a same substrate in sequence, and changes the color temperature of the LED lamp by adjusting the arrangement shape of the LED chips with different lighting colors and controlling the voltage and current of a substrate circuit. The LED lamp with adjustable color temperature has good color rendering index and higher lighting efficiency, and both of the color rendering index and the lighting effect are not reduced by color temperature difference. The LED lamp with adjustable color temperature is also characterized by simple structure, small volume and light weight, and effectively reduces the manufacturing cost.
Description
Technical field
The utility model relates to field of lamp illumination, relates in particular to a kind of adjustable LED lamp of new structure design realization colour temperature that adopts.
Background technology
Existing LED lamp encapsulation technology is and adopts copper base support or ceramics bracket to encapsulate a plurality of LED lamp pearls, again packaged lamp pearl is installed on the aluminium base, form the LED lamp of an integral body, the control of colour temperature is all adopted in lamp bead seal process of assembling the proportioning of fluorescent material controlled adjust colour temperature.
Existing LED lamp shortcoming is single relatively to the colour temperature control scheme of finished product, only adjusts by the fluorescent material proportioning, and when colour temperature required to hang down, colour rendering index and light efficiency seriously descended like this.Because adopt blue-light excited fluorescent material to produce white light, the general luminous efficiency that fluorescent material excites when the colour temperature 5500k left and right sides is the highest, and when the colour temperature requirement is lower or higher, all need to adjust the fluorescent material proportioning, can cause the launching efficiency decline of fluorescent material like this and cause light efficiency to descend.
Summary of the invention
The utility model embodiment provides a kind of colour temperature adjustable LED lamp, has the advantages that simple in structure, high light efficiency, high color rendering index (CRI) and colour temperature are adjusted easily.
The utility model embodiment provides a kind of colour temperature adjustable LED lamp, is encapsulated in successively on the same substrate by the led chip of a plurality of different glow colors, by the described led chip of substrate circuit control connection.
Further, described each led chip outside all is equipped with the little silica gel cover of circular arc, constitutes a plurality of electroluminescent lamp pearls; Also be provided with a large lampshade in described a plurality of electroluminescent lamp pearls outside, form whole described LED lamp.
Further, can be according to described LED lamp glow color needs, the led chip of the different emission wavelengths of collocation encapsulation successively on the silver-plated ceramic substrate of copper cooperates the voltage and current of control substrate circuit, the colour temperature of regulating described LED lamp.
Further, described substrate is selected ceramic substrate or aluminium base or copper base for use, and its shape is any one in circle, triangle, rectangle, the square.
Further, described large lampshade is the ball-type glass lamp shade, and its inner surface scribbles special transparent glass coating, is used for realizing that integral body is luminous, and elimination is sent out vision difference and the dazzle that the different colours light belt comes because of the different LED chip.
The LED lamp that the colour temperature that the utility model provides is adjustable has following advantage:
1, the adjustable LED lamp of described colour temperature has saved traditional LED lamp pearl support, is encapsulated on the same substrate the led chip of the different emission wavelengths of a plurality of generations is integrated successively, by the voltage and current of control substrate circuit, the colour temperature of regulating described LED lamp.This colour temperature regulative mode Nover practical, easily control, the LED lamp colour rendering index that described colour temperature is adjustable is good, and higher luminous efficiency is arranged, and colour rendering index and light efficiency all can not reduce because colour temperature changes.
2, the adjustable LED lamp of described colour temperature also has simple in structure, little, the lightweight characteristics of volume, this is because saved traditional LED lamp pearl support, by the silver-plated technology of ceramic substrate copper, directly chip is fixed on and finishes solid brilliant bonding wire and the follow-up technology of joining powder point glue on the substrate, simplify the LED encapsulation procedure, effectively reduced manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of the adjustable LED lamp of the colour temperature that provides of the utility model embodiment one;
Fig. 2 is the external form schematic diagram of the adjustable LED lamp of the colour temperature that provides of the utility model embodiment one;
Fig. 3 is the external form schematic diagram of the adjustable LED lamp of the colour temperature that provides of the utility model embodiment two.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
The LED lamp that colour temperature of the present utility model is adjustable has changed existing LED light color temperature light-configuration mode, has the led chip that blue-light excited fluorescent material emits white light by encapsulation on specific substrate, and be equipped with the led chip of sending out different colours light, realize that in conjunction with the current/voltage of control substrate circuit colour temperature is adjustable.The LED lamp colour rendering index that described colour temperature is adjustable is good, and higher luminous efficiency is arranged, and colour rendering index and light efficiency all can not reduce because colour temperature changes.
As shown in Figure 1, the utility model embodiment provides a kind of colour temperature adjustable LED lamp, be encapsulated in successively on the same specific substrate 1 by 8 led chips 21 and 22 that produce different emission wavelengths (promptly sending out different colours light), according to the heat dissipation design needs, described substrate is selected ceramic substrate or aluminium base or copper base for use, and its shape is any one in circle, triangle, rectangle, the square.
Such as according to described LED lamp glow color needs, led chip 21 that on the silver-plated ceramic substrate of copper, emits white light and the led chip 22 that glows by certain erection sequence collocation encapsulation, the voltage and current size that cooperates control substrate circuit 4, regulate each described led chip luminosity, and then change the colour temperature of the LED lamp of forming by a plurality of led chip spot lights.
Encapsulated LED chip number can arbitrarily be adjusted according to the design needs on same described substrate 1, does not wait from two to tens.The shape that a plurality of led chips are formed can be circle, rectangle, square, petal-shaped etc., and according to adjusting the connectivity port of substrate circuit 4, substrate circuit 4 provides the input electric energy by input electric wire 5.Described each led chip outside all is equipped with the little silica gel cover 3 of circular arc, constitutes a plurality of electroluminescent lamp pearls, i.e. spot light.
As shown in Figure 2, also be provided with a large lampshade 6 in described a plurality of electroluminescent lamp pearls outside, described large lampshade 6 is fixed on the described substrate 1, forms whole described LED lamp.Such as described large lampshade is the ball-type glass lamp shade, its inner surface scribbles special transparent glass coating, realize that by ball-type glass lamp shade and special transparent glass coating LED lamp integral body is luminous like this, people can't see the vision difference of sending out the different colours light belt because of the different LED chip from the outside.Traditional led chip spot light has been become the luminous sphere light source of whole LED lamp lens body, and light efficiency is soft, and near traditional ball bubble, the consumer is more acceptant.
As a kind of improved mode, as shown in Figure 3, described large lampshade 6 can also design and will form a luminescent ball bubble with substrate 1 whole the wrapping up of led chip, and is more attractive in appearance.
The adjustable LED lamp of colour temperature that adopts the foregoing description to provide uses the colour temperature regulative mode of Nover practical, makes the adjustable LED lamp colour rendering index of described colour temperature good, and higher luminous efficiency is arranged, and colour rendering index and light efficiency all can not reduce because colour temperature changes.The LED lamp that described colour temperature is adjustable also has simple in structure, and little, the lightweight characteristics of volume effectively reduce manufacturing cost.
The above is a preferred implementation of the present utility model; certainly can not limit the interest field of the utility model with this; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvement and change, such as the shape size of led chip; the circuit layouts of base plate for packaging etc., these improvement and change also are considered as protection domain of the present utility model.
Claims (6)
1. the LED lamp that colour temperature is adjustable is characterized in that, is encapsulated in successively on the same substrate by the led chip of a plurality of different glow colors, by the described led chip of substrate circuit control connection.
2. the LED lamp that colour temperature according to claim 1 is adjustable is characterized in that, described each led chip outside all is equipped with the little silica gel cover of circular arc, constitutes a plurality of electroluminescent lamp pearls; Also be provided with a large lampshade in described a plurality of electroluminescent lamp pearls outside, form whole described LED lamp.
3. the LED lamp that colour temperature according to claim 1 and 2 is adjustable is characterized in that, the led chip of the different emission wavelengths of collocation encapsulation successively on the silver-plated ceramic substrate of copper.
4. the LED lamp that colour temperature according to claim 2 is adjustable is characterized in that, described large lampshade is the ball-type glass lamp shade, and its inner surface scribbles special transparent glass coating.
5. the LED lamp that colour temperature according to claim 1 and 2 is adjustable is characterized in that, described substrate is selected ceramic substrate or aluminium base or copper base for use, and its shape is any one in circle, triangle, rectangle, the square.
6. the LED lamp that colour temperature according to claim 1 and 2 is adjustable is characterized in that, the shape that a plurality of described led chips are arranged is circle, rectangle, square, triangle, in petal any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200592564U CN201521811U (en) | 2009-06-26 | 2009-06-26 | LED lamp with adjustable color temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200592564U CN201521811U (en) | 2009-06-26 | 2009-06-26 | LED lamp with adjustable color temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201521811U true CN201521811U (en) | 2010-07-07 |
Family
ID=42507986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200592564U Expired - Fee Related CN201521811U (en) | 2009-06-26 | 2009-06-26 | LED lamp with adjustable color temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201521811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990032A (en) * | 2015-07-28 | 2015-10-21 | 江苏达伦电子股份有限公司 | Multi-color-temperature LED lamp |
| WO2016078021A1 (en) * | 2014-11-19 | 2016-05-26 | 魏晓敏 | Led backlight source and led module |
-
2009
- 2009-06-26 CN CN2009200592564U patent/CN201521811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078021A1 (en) * | 2014-11-19 | 2016-05-26 | 魏晓敏 | Led backlight source and led module |
| CN104990032A (en) * | 2015-07-28 | 2015-10-21 | 江苏达伦电子股份有限公司 | Multi-color-temperature LED lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TCL LIGHT SOURCE TECHNOLOGY (HUIZHOU) CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 516000 HUATONG INDUSTRIAL PARK, NO.26, ROAD 3, ZHONGKAI AVENUE, HUIZHOU CITY, GUANGDONG PROVINCE TO: 516006 ROOM 303-A, RESIDENTIAL QUATER 54, INDUSTRIAL ZONE, HUITAI, HUIZHOU CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101102 Address after: 516006 303-A room, No. 54, Hui Tai Industrial Area, Huizhou, Guangdong Co-patentee after: TCL Light Source Technology (Huizhou) Co., Ltd. Patentee after: Huizhou Seedcom Electric Lighting Co., Ltd. Address before: Huatong Industrial Park No. 26 three road 516000 in Guangdong province Huizhou City Zhongkai Road Patentee before: Huizhou Seedcom Electric Lighting Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20140626 |
|
| EXPY | Termination of patent right or utility model |