CN101684926A

CN101684926A - LED light guide plate

Info

Publication number: CN101684926A
Application number: CN200810200508A
Authority: CN
Inventors: 黄彩左
Original assignee: SHANGHAI INLITY LIGHTING CO Ltd
Current assignee: SHANGHAI INLITY LIGHTING CO Ltd
Priority date: 2008-09-26
Filing date: 2008-09-26
Publication date: 2010-03-31

Abstract

The invention relates to an LED light guide plate, belonging to the field of electric light source energy saving, and mainly aiming at overcoming the defects of existing energy-saving lamps such as low efficiency, pollution of fluorescent powder to environment and the like. The structure of the invention comprises the parts of: a reflector (3), a light guide plate (2), a light homogenizing plate (1), a transformer (5), an LED module (6) and the like, wherein the reflector (3) is a plastic plate coated with reflective material and plays a role of reflecting light to a glowing surface, the guideplate (2) is made of PVC (mainly polrvinyl chloride) material and is manufactured by special printing technology with special printing ink, the light guide plate is mainly made of PVC material and fixed with a metal frame via screws, one end of the lead (7) is connected to the LED module (6), and the other end thereof is connected to the transformer (5). The invention provides a novel energy-saving lamp featuring long service life, no environment pollution, elegant appearance, little energy consumption, high adaptability, short response time and the like.

Description

The LED LGP

Technical field:

The present invention relates to a kind of electric light source energy-saving field, relate in particular to a kind of reflecting LED electricity-saving lamp that constitutes by semi-conducting material (LED module).

Background technology:

Along with the raising day by day of people's lives, various light fixtures are more and more universal, and particularly electronic energy-saving lamp has entered huge numbers of families, but common energy-saving lamp is not energy-conservation completely, and owing in the common energy-saving lamp fluorescent tube fluorescent material is arranged, human body especially eyes there is infringement, causes the fatigue of eyes easily; The life-span of common energy-saving lamp is generally about 2 years, just thrown away after the damage, cause the waste of resource, and contaminated environment, at above problems, the invention provides long, environmentally safe, elegant in appearance, the power consumption of a kind of life-span less, the novel energy-conserving lamp of advantages such as applicability is strong, stability is high, the response time is short.

Summary of the invention:

Technical problem to be solved by this invention, provided the LED module energy-efficient lamp of a kind of energy-conservation, high brightness, low-power consumption, and can provide uniformity preferable planar light source, overcome the lower shortcoming of existing electricity-saving lamp efficient, use the LED module to throw light on.

Structure of the present invention comprises: parts such as reflector, LGP, equal tabula rasa, transformer.

Described reflector is a kind of plastic plate that scribbles reflectorized material, this plate is made by playing reflection action PVC (main component is a polyvinyl chloride) material, add other one-tenth in addition and assign to strengthen its hear resistance, toughness, ductility, and this material is difficult for advantages such as crisp, nontoxic pollution-free.

Described LED LGP illuminating product is by reflector; LGP; Compositions such as equal tabula rasa, metal frame, metal base plate, LED module, lead, screw.

Described LED LGP is set in the metal frame, and an inside groove is arranged all around, is used for inlaying the LED fluorescent tube.

Described metal base plate has a hole, and lead can pass with transformer by this hole and be connected, and there are eight holes on four limits of described metal frame, can fix by screw and metal frame.

Be welded with 45 LED lamp on the described LED module, the power consumption of LED lamp is very low, and in general the operating voltage of LED fluorescent tube is 2-3.6V, and operating current is 0.02-0.03A, and in other words: the electricity that it consumes is no more than 0.2W.The other end of chip can pass through lead, is fluorescent tube supply voltage, in the slot at the edge of this LED module insertion metal frame.

Described lead one end connects the LED module, and the other end connects transformer.

Described LGP also is to be made by the PVC material, and fixes by screw and metal frame.

One interface of described transformer meets 220V, and another interface can be by lead and LED module.

Major technique characteristics of the present invention are: reflective spot is made with special ink jet printing in the surface at LGP, according to the reflection of light principle, the refractive index difference of the light between each reflective spot is more than or equal to 0.03, each reflection of light structure has a primary reflection surface, the angle of primary reflection surface and bottom surface be between 25 degree to 40 degree, the height of light reflection structure be by near the incidence surface place toward increasing progressively away from Guang Mianchu.

Pressing luminous tube exiting surface feature cyclotomy lamp, square lamp, rectangle, face luminous tube, side direction pipe, surface installs with miniature tube etc.

Under appropriate electric current and voltage, can reach 100,000 hours this service life by the novel energy-conserving lamp that the LED LGP is made.

When it is in the forward duty (two ends add forward voltage), when electric current flowed to negative electrode from LED fluorescent tube anode, semiconductor crystal just sent the light from ultraviolet to infrared different colours, the power of light and current related.

This LED fluorescent tube is GaN chip and yttrium-aluminium-garnet (YAG) to be packaged together make.(λ p=465nm Wd=30nm), sends sodium yellow after the YAG fluorescent material that contains Ce3+ that high temperature sintering is made is subjected to this blue-light excited and penetrates peak value 550nm GaN chip blue light-emitting.The blue-ray LED substrate is installed in the bowl-type reflection cavity, covers to be mixed with the thin resin layer of YAG, about 200-500nm.Blue light that LED fluorescent tube substrate sends part is absorbed by fluorescent material, the yellow light mix that another part blue light and fluorescent material send, can obtain white light.For InGaN/YAG White LED fluorescent tube,, can obtain the various coloured light of colour temperature 3500-10000K by chemical composition that changes YAG fluorescent material and the thickness of regulating phosphor powder layer.

The invention has the advantages that:, increase the centrality of light owing to adopted special ink-jet printing technology; Service life of having adopted the LED fluorescent tube to improve product, and can obtain versicolor light by adjusting, advantages such as environmentally safe, elegant in appearance, power consumption are less, applicability is strong, stability is high, the response time is short.

Description of drawings:

Fig. 1 is a diagrammatic sketch after the solid of side of the present invention;

Among the figure, 1 is equal tabula rasa; 2 is LGP; 3 is reflector; 4 is groove; 5 is transformer; 6 is the LED module.

Fig. 2 is a LED modular structure schematic diagram of the present invention.

Among the figure, 6 is the LED module, and 7 is lead.

Fig. 3 is the schematic perspective view of equal tabula rasa.

Fig. 4 is the schematic perspective view of LGP.

The specific embodiment:

Below in conjunction with accompanying drawing structure of the present invention is described further.

The contrast accompanying drawing describes, with reference to the accompanying drawings 1, Fig. 2, Fig. 3, Fig. 4 reflector; LGP; All tabula rasa (1) is fixing by screw and metal frame (2), be provided with groove (4) between two plates, LED module (6) can insert the middle transformer (5) of groove (4) and fix by the back side of screw and metal frame (3), lead (7) is connected an end of transformer (5), the other end of lead (7) and LED module (6) connect by soldering,, LED module (6) contacts with LGP side (2).

In the present embodiment, LGP is made with special ink jet printing, be printed on reflective spot on the LGP, and according to the reflection of light principle, the refractive index difference of the light between each reflective spot is more than or equal to 0.03, each reflection of light structure has a primary reflection surface, the angle of primary reflection surface and bottom surface is to 40 degree between 25 degree, the height of light reflection structure is by increasing progressively away from Guang Mianchu near the incidence surface place is past, owing to adopt special ink-jet printing technology, centrality in the time of can increasing the light ejaculation makes the reflection of light effect reach best effect.

In addition, owing to reflector, LGP, equal tabula rasa all are to adopt the PVC material to make, light is played fluorescence.

When it is in the forward duty (two ends add forward voltage), when anode flowed to negative electrode, semiconductor crystal just sent the light from ultraviolet to infrared different colours to electric current from LED fluorescent tube (6), the power of light and current related.

This LED fluorescent tube is GaN chip and yttrium-aluminium-garnet (YAG) to be packaged together make.(λ p=465nm Wd=30nm), sends sodium yellow after the YAG fluorescent material that contains Ce3+ that high temperature sintering is made is subjected to this blue-light excited and penetrates peak value 550nm GaN chip blue light-emitting.The blue-ray LED substrate is installed in the bowl-type reflection cavity, covers to be mixed with the thin resin layer of YAG, about 200-500nm.Blue light that the LED substrate sends part is absorbed by fluorescent material, the yellow light mix that another part blue light and fluorescent material send, can obtain white light.For the InGaN/YAG White LED,, can obtain the various coloured light of colour temperature 3500-10000K by chemical composition that changes YAG fluorescent material and the thickness of regulating phosphor powder layer.

Owing to adopted above technical scheme, under appropriate electric current and voltage, can reach 100,000 hours the service life of the novel energy-conserving lamp of being made by the LED LGP, and can obtain versicolor light by adjusting, advantages such as environmentally safe, elegant in appearance, power consumption are less, applicability is strong, stability is high, the response time is short.

Those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.

Claims

1. LED LGP illuminating product comprises: reflector, LGP, equal parts such as tabula rasa, transformer, and described reflector is a kind of plastic plate that scribbles reflectorized material, this plastic sheet surface is smooth smooth, and good reflection action is arranged; Described LGP illuminating product is by reflector; Equal tabula rasa; Compositions such as LGP, metal frame, metal base plate, LED module, lead, screw; Described LGP is by screw and reflector; All tabula rasa is fixing together; Described LGP is made with the specialty inks printing technology.

2. a kind of LED LGP illuminating product according to claim 1, it is characterized in that: described LGP illuminating product is by reflector; LGP; Compositions such as equal tabula rasa, metal frame, metal base plate, LED module, lead, screw.

3. a kind of LED LGP illuminating product according to claim 1 is characterized in that: reflector; LGP; All tabula rasa is fixed together by screw and metal outer frame, is provided with groove in the metal outer frame, and the LED module can insert in this metal groove, and when the LED module was luminous, light was just injected from the avris of LGP, thereby made LGP integral body luminous.

4. a kind of LED LGP illuminating product according to claim 1, it is characterized in that: described reflector is a kind of plastic plate that scribbles reflectorized material, and this plastic sheet surface is smooth smooth, and good reflection action is arranged.

5. a kind of LED LGP illuminating product according to claim 1, it is characterized in that: described LGP is made with special ink-jet printing technology.

6. the equal tabula rasa in a kind of LED LGP illuminating product according to claim 5 is characterized in that: all on the tabula rasa rib-loop face is arranged, the refraction of the light between each rib-loop can be played the effect of even light.