CN203836670U

CN203836670U - Color temperature and color rendering index adjustable LED (Light Emitting Diode) panel light

Info

Publication number: CN203836670U
Application number: CN201420192477.XU
Authority: CN
Inventors: 周锋; 华利生; 张琦; 强愈高
Original assignee: JIANGSU XGL OPTOELECTRONICS Co Ltd
Current assignee: JIANGSU XGL OPTOELECTRONICS Co Ltd
Priority date: 2014-04-18
Filing date: 2014-04-18
Publication date: 2014-09-17
Anticipated expiration: 2024-04-18

Abstract

The utility model relates to a color temperature and color rendering index adjustable LED (Light Emitting Diode) panel light. The color temperature and color rendering index adjustable LED panel light comprises a frame; a light guide plate and light source modules are installed inside the frame; the light source modules are arranged on the periphery of the light guide plate; the light source modules comprise a cold white light source module and a warm white light source module. The color temperature and color rendering index adjustable LED panel light is characterized in that the light source modules comprise bases; substrates are arranged inside the bases; blue light LED chips, red light LED chips, circuits which connect the blue light LED chips and the red light LED chips and corresponding bonding pads are arranged on upper surfaces of the substrates; film carrying sheets are arranged on upper portions of the bases; one sides of the film carrying sheets, which are towards the bases, are provided with fluorescent light film sheets; gaps are formed between the blue light LED chips, the red light LED chips and the fluorescent light film sheets; the blue light LED chips and the red light LED chips of the cold white light source module and blue light LED chips and the red light LED chips of the warm white light source module are respectively connected with four groups of light sources. The color temperature and color rendering index adjustable LED panel light can achieve the purpose of changing the LED light color temperature and the color rendering indexes due to changing of the currents.

Description

Adjustable color temperature and the aobvious LED panel light referring to

Technical field

The utility model relates to a kind of LED panel light, and especially a kind of adjustable color temperature and the aobvious LED panel light referring to, belong to technical field of semiconductors.

Background technology

LED is a kind of semiconductor that can be luminous energy by electric energy conversion, and LED light source is long with its life-span, light efficiency is high, the anti-seismic performance advantage that well the conventional light source such as cracky, radiationless and low-power consumption cannot not compare with it and be widely used in lighting field.

In prior art, the structure of LED light source is generally: comprise pedestal and be located at the LED unit on pedestal, LED unit is composed in series, is packaged in the packaging body with fluorescent material by multiple LED chips.The colour temperature of existing LED light source and aobvious finger, mainly determined by the characteristic of fluorescent material, can regulate colour temperature and aobvious finger by changing the composition of fluorescent material and accounting for glue proportion, but in actual product is manufactured, a kind of fluorescent material composition and account for the corresponding class light source of glue proportion, the colour temperature and aobvious finger that are packaged good light source, fixed, cannot dynamic adjustments light source color temperature and the aobvious variation referring in the time of illumination.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of adjustable color temperature and the aobvious LED panel light referring to are provided, and can reach change colour temperature and the aobvious object referring to by changing electric current.

The technical scheme providing according to the utility model, described adjustable color temperature and the aobvious LED panel light referring to, comprise framework, and LGP and light source module are installed in framework, light source module is distributed in the surrounding of LGP, and light source module comprises cold white light source module and warm white source module; It is characterized in that: described light source module comprises pedestal, substrate is set in pedestal, blue-light LED chip, red LED chip are set and connect respectively the circuit of blue-light LED chip and red LED chip and corresponding pad at upper surface of base plate; On described pedestal top, film carrier sheet is set, film carrier sheet arranges fluorescence diaphragm towards pedestal one side.

Between described blue-light LED chip and red LED chip and fluorescence diaphragm, all there is gap.

Blue-light LED chip, the red LED chip of blue-light LED chip, red LED chip and the warm white source module of described cold white light source module are connected with four groups of power supplys respectively.

Described cold white light source module and warm white source module are handed in pairs and are arranged in a crossed manner.

Adjustable color temperature described in the utility model and the aobvious LED panel light referring to, can reach the colour temperature and the aobvious object referring to that change LED lamp by changing electric current.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of described light source module.

Detailed description of the invention

Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.

As shown in Fig. 1～Fig. 2: as described in adjustable color temperature and the aobvious LED panel light referring to comprise pedestal 1, blue-light LED chip 2, red LED chip 3, substrate 4, fluorescence diaphragm 5, film carrier sheet 6, cold white light source module 7, warm white source module 8, LGP 9, framework 10 etc.

As shown in Figure 1, the utility model comprises framework 10, and LGP 9 and light source module are installed in framework 10, and light source module is distributed in the surrounding of LGP 9, light source module comprises cold white light source module 7 and warm white source module 8, and cold white light source module 7 and warm white source module 8 are handed in pairs and be arranged in a crossed manner;

As shown in Figure 2, described light source module comprises pedestal 1, and substrate 4 is set in pedestal 1, blue-light LED chip 2, red LED chip 3 is set and connects respectively blue-light LED chip 2 and the circuit of red LED chip 3 and corresponding pad at substrate 4 upper surfaces; On described pedestal 1 top, film carrier sheet 6 is set, film carrier sheet 6 arranges fluorescence diaphragm 5 towards pedestal 1 one sides; Between described blue-light LED chip 2 and red LED chip 3 and fluorescence diaphragm 5, all there is gap, to realize adjustable color temperature and the aobvious white light LEDs referring under remote fluorescence powder pattern;

Blue-light LED chip 2, the red LED chip 3 of blue-light LED chip 2, red LED chip 3 and the warm white source module 8 of described cold white light source module 7 are connected with four groups of power supplys respectively; Thereby can realize the electric current of the blue-light LED chip 2 that changes cold white light source module 7 and warm white source module 8, realize the adjusting of colour temperature, height; Change the electric current of the red LED chip 3 of cold white light source module 7 and warm white source module 8, realize the aobvious adjusting referring to;

In the utility model, by changing the fluorescent material of fluorescence diaphragm, can obtain the LED light source module of different-colour; Described blue-light LED chip 2 and red LED chip 3 can be positive cartridge chips, can be also flip-chips; The material of described substrate 4 can be pottery, silicon, aluminium base, copper base, FR4, CEM-3 etc.

The preparation method of described adjustable color temperature and the aobvious LED panel light referring to, comprises the following steps:

(1) arrange and connect blue-light LED chip 2 and the required circuit of red LED chip 3 and the pad of externally drawing at substrate 4 upper surfaces;

(2) blue-light LED chip 2 and red LED chip 3 are fixed on substrate, and are completed electrical connection by elargol, insulating cement mode bonding or flip chip bonding;

(3) fluorescence diaphragm 5 is affixed on film carrier sheet 6, and film carrier sheet 6 is fixed on pedestal 1 by guide groove.

In use, by regulating the electric current of blue-light LED chip 2 of cold white light source module 7 and warm white source module 8, realize the adjusting of colour temperature, height; Change the electric current of the red LED chip 3 of cold white light source module 7 and warm white source module 8, realize the aobvious adjusting referring to.

Claims

1. an adjustable color temperature and the aobvious LED panel light referring to, comprise framework (10), LGP (9) and light source module are installed in framework (10), and light source module is distributed in the surrounding of LGP (9), and light source module comprises cold white light source module (7) and warm white source module (8); It is characterized in that: described light source module comprises pedestal (1), substrate (4) is set in pedestal (1), blue-light LED chip (2), red LED chip (3) is set and connects respectively blue-light LED chip (2) and the circuit of red LED chip (3) and corresponding pad at substrate (4) upper surface; On described pedestal (1) top, film carrier sheet (6) is set, film carrier sheet (6) arranges fluorescence diaphragm (5) towards pedestal (1) one side.

2. adjustable color temperature as claimed in claim 1 and the aobvious LED panel light referring to, is characterized in that: between described blue-light LED chip (2) and red LED chip (3) and fluorescence diaphragm (5), all have gap.

3. adjustable color temperature as claimed in claim 1 and the aobvious LED panel light referring to, is characterized in that: blue-light LED chip (2), the red LED chip (3) of blue-light LED chip (2), red LED chip (3) and warm white source module (8) of described cold white light source module (7) are connected with four groups of power supplys respectively.

4. adjustable color temperature as claimed in claim 1 and the aobvious LED panel light referring to, is characterized in that: described cold white light source module (7) and warm white source module (8) are handed in pairs and be arranged in a crossed manner.