CN102133810A - Phosphor plane electrostatic printing device for LED (light-emitting diode) - Google Patents
Phosphor plane electrostatic printing device for LED (light-emitting diode) Download PDFInfo
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- CN102133810A CN102133810A CN 201010607587 CN201010607587A CN102133810A CN 102133810 A CN102133810 A CN 102133810A CN 201010607587 CN201010607587 CN 201010607587 CN 201010607587 A CN201010607587 A CN 201010607587A CN 102133810 A CN102133810 A CN 102133810A
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- adhesive
- electrostatic printing
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Abstract
The invention provides a phosphor plane electrostatic printing device for an LED (light-emitting diode), belonging to the technical field of lighting, in particular relating to the field of semiconductor lighting. The phosphor plane electrostatic printing device can be used for achieving a technique for printing phosphors on a transparent film when the LED is used as a surface light source; and the electrostatic printing device is characterized by being composed of a transparent film roll (1), a transparent film (2), a transmission positioning shaft (3), a negative electric drum (4), a phosphor box (5), a rolling drum (6), a positive electric drum (7), an adhesive rolling drum (8), an adhesive box (9), a high temperature oven (10) and a roller (11), wherein the negative electric drum releases negative electrons to the transparent film; the rolling drum absorbs phosphors from the phosphor box; the positive electric drum is charged with positive electrons so as to attract the phosphors on the rolling drum to adhere to the positive electric drum, when the transparent film charged with negative electrons passes the positive electric drum, the positive and negative electrons are attracted to each other so as to adsorb the phosphors to adhere to the transparent film; and an adhesive is coated on the transparent film adhered with the phosphors by the adhesive rolling drum, and then the mixture of the phosphor and the adhesive is solidified into a film on the transparent film by the high temperature oven. The phosphor plane electrostatic printing device provided by the invention is simple in structure, and suitable for being used as a phosphor plane film required by ordinary lighting, backlights of LCD display devices, and the like.
Description
The invention provides a kind of LED with fluorescent material planar electrostatic printing equipment, belong to lighting technical field, especially relate to semiconductor white-light illuminating field.
Background technology
LED is called as light source of future generation, has advantages such as energy-conservation, efficient and environmental protection; The method for preparing at present white light LEDs mainly is divided into following several: led chip adds fluorescent material synthesize white light technology, red, green, blue (RGB) multicore sheet combination white light technology, white organic technology and quantum spot white light LED.Wherein, it is more that led chip adds the technical research of fluorescent material white light, and commercialization.
LED is designed to area source, and to be applied in backlights such as general lighting or LCD be one of present LED very important use.As everyone knows, the light distribution of current white light or other colors LED is generally lambert's body and distributes, and needing to be not suitable for the evenly occasion of illumination, as backlight etc.If need the even illumination of LED, must carry out the secondary optics design, as free-form surface lens design, the design of microarray lens etc.; Not only increase cost but also increased the complexity of system, and also can bring problems such as the unstability of system and heat radiation simultaneously.
Fluorescent material directly is printed on the transparent membrane, and the common fluorescent material of comparing directly is coated on the led chip, and fluorescent material separates with led chip; The film that is printed with fluorescent material both can serve as the light transfer medium, can serve as the diffusion medium again, when improving light efficiency, can obtain the planar light source of uniform in-plane white light source or other colors; Can also reduce simultaneously the volume of whole planar light source.The transparent membrane that is printed with fluorescent material of apparatus of the present invention preparation is suitable as the light source requirements of solid state lighting and LCD display spare etc. in conjunction with led chip.
Summary of the invention
The object of the present invention is to provide a kind of LED fluorescent material planar electrostatic printing equipment.This device can be coated in fluorescent material above the transparent membrane in the mode of printing equably, and this device can combine with led chip, can obtain even planar light source by the light conversion.And this device has characteristics such as simple in structure, that running is stable.
The present invention is achieved through the following technical solutions:
By transparent membrane reel (1), transparent membrane (2), transmission locating shaft (3), negative electricity drum (4), fluorescence powder box (5) rolls drum (6), positive electricity drum (7), plastic roll drum (8), adhesive box (9), high temperature baking box (10) and cylinder (11) constitute; At first fluorescent material and adhesive are respectively charged into fluorescence powder box (5) and adhesive box (9), and transparent membrane (2) is installed according to installation drawing; It is at the uniform velocity mobile that cylinder (11) and transmission locating shaft (3) rotate drive transparent membrane (2), and when transparent membrane (2) roused (4) through negative electricity, negative electricity drum (4) was put negatron to transparent membrane; Roll drum (6) and when fluorescence powder box (5) meal outlet rotates, from fluorescence powder box (5), adsorb fluorescent material; Positive electricity drum (7) has positive electron, and positive electron attracts to roll fluorescent material on the drum (6) attached on the positive electricity drum, and the transparent membrane (2) that has a negatron is when rousing (7) on schedule, and positron-electron attracts each other, and fluorescent material is adsorbed onto on the transparent membrane; Adhesive box (9) has heating function, the adhesive that is contained in the adhesive box is fully dissolved, and evenly attached on the plastic roll drum (8), when having the transparent membrane process plastic roll drum (8) of fluorescent material, adhesive is applied on the transparent membrane with fluorescent material, and be penetrated between the fluorescent powder grain, the mixture transparent membrane that has fluorescent material and adhesive is realized mixture film-forming on transparent membrane of fluorescent material and adhesive at the uniform velocity by high temperature baking box (10).
Operation principle of the present invention is: control power transmission shaft and cylinder uniform rotation under driven by motor, negative electricity rouses simultaneously, the positive electricity drum, roll the uniform rotation of drum and plastic roll drum, when transparent membrane rouses by negative electricity, negative electrical charge will rouse fluorescent material from the sucking-off of fluorescence powder box attached to rolling on the transparent membrane, and fluorescent material is adsorbed onto positive electricity drum surface from rolling drum by the positive electricity drum, when transparent membrane rouses by positive electricity, positron-electron attracts each other, fluorescent material is adsorbed on the transparent membrane, when this film is by the plastic roll drum then, adhesive is coated on the transparent membrane equably, pass through the baking box high-temperature baking again, the mixture of fluorescent material and adhesive is solidified into the fluorescent material planar film on transparent membrane.
Description of drawings
Fig. 1 is a LED fluorescent material planar electrostatic printing equipment
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Referring to accompanying drawing 1, a kind of LED fluorescent material planar electrostatic printing equipment, it is configured to: by transparent membrane reel (1), transparent membrane (2), transmission locating shaft (3), negative electricity drum (4), fluorescence powder box (5) rolls drum (6), positive electricity drum (7), plastic roll drum (8), adhesive box (9), high temperature baking box (10) and cylinder (11) constitute; At first fluorescent material and adhesive are respectively charged into fluorescence powder box (5) and adhesive box (9), and transparent membrane (2) is installed according to installation drawing; It is at the uniform velocity mobile that cylinder (11) and transmission locating shaft (3) rotate drive transparent membrane (2), and when transparent membrane (2) roused (4) through negative electricity, negative electricity drum (4) was put negatron to transparent membrane; Roll drum (6) and when fluorescence powder box (5) meal outlet rotates, from fluorescence powder box (5), adsorb fluorescent material; Positive electricity drum (7) has positive electron, and the fluorescent material that positive electron attracts to roll on the drum (6) rouses attached to positive electricity, and when having transparent membrane (2) the process positive electricity drum (7) of negatron, positron-electron attracts each other, and fluorescent material is adsorbed onto on the transparent membrane; Adhesive box (9) has heating function, the adhesive that is contained in the adhesive box is fully dissolved, and evenly attached on the plastic roll drum (8), when having the transparent membrane process plastic roll drum (8) of fluorescent material, adhesive is applied on the transparent membrane with fluorescent material, and be penetrated between the fluorescent powder grain, the mixture transparent membrane that has fluorescent material and adhesive is realized mixture film-forming on transparent membrane of fluorescent material and adhesive at the uniform velocity by high temperature baking box (10).This fluorescent material planographic apparatus structure is simple, is suitable as the needed fluorescent material flat films such as backlight of general lighting and LCD display spare.Fluorescent material is the YAG yellow fluorescent powder, and adhesive is an elargol, and transparent membrane is a polyethylene terephthalate thin film, and film thickness is 1mm, power transmission shaft and roll bulging width and be 1 meter, power transmission shaft and to roll bulging material be ganoid stainless steel; The baking temperature of high temperature baking box is 120 degree; Driven by motor is rolled the uniform rotation of drum axle, the pulling transparent membrane is at the uniform velocity mobile, when transparent membrane rouses through negative electricity, the negative electricity drum discharges to transparent membrane, make on the transparent membrane that with negatron positive electron attracts to roll YAG fluorescent material on the drum attached on the positive electricity drum, the transparent membrane that has a negatron is during through the positive electricity drum, positron-electron attracts each other, and YAG fluorescent material is adsorbed onto on the transparent membrane; The adhesive box is heated to 50 degree, when having the transparent membrane process plastic roll drum of YAG fluorescent material, adhesive is applied on the transparent membrane with YAG fluorescent material, and be penetrated between the YAG fluorescent powder grain, the space width of high temperature baking box is 1.1 meters, length is 0.4 meter, motor rotation speed is 0.0001 meter per second, making film move into baking box is 1 hour to shifting out the time that baking box stands to toast, and realizes mixture film-forming on transparent PET of YAG fluorescent material and elargol.
Claims (8)
1. a LED is with fluorescent material planar electrostatic printing equipment, and the problem of solution is when being applied as area source at LED, with fluorescent powder printed technology on transparent membrane; It is characterized by: by transparent membrane reel (1), transparent membrane (2), transmission locating shaft (3), negative electricity drum (4), fluorescence powder box (5) rolls drum (6), positive electricity drum (7), plastic roll drum (8), adhesive box (9), high temperature baking box (10) and cylinder (11) constitute; The negative electricity drum is put negatron to transparent membrane; Roll drum and from the fluorescence powder box, adsorb fluorescent material; The positive electricity drum has positive electron, and the fluorescent material that attracts to roll on the drum rouses attached to positive electricity, and when having the transparent membrane process positive electricity drum of negatron, positron-electron attracts each other, and fluorescent material is adsorbed onto on the transparent membrane; The plastic roll drum is coated to adhesive on the transparent membrane with fluorescent material, and the high temperature baking box is with mixture film-forming on transparent membrane of fluorescent material and adhesive.
2. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment, it is characterized in that: the fluorescent material that this device is suitable for is the mixture of YAG yellow fluorescent powder or green emitting phosphor or red fluorescence powder or single-matrix white fluorescent powder or multiple color fluorescent material.
3. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment, it is characterized in that: the adhesive that this device is suitable for is elargol or insulating cement or silica gel.
4. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment, it is characterized in that: rolling drum motor velocity of rotation scope is 0.00001 meter per second to 0.01 meter per second.
5. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment is characterized in that: the temperature adjustable extent of high temperature baking box is that 10 degree are to 1000 degree.
6. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment, it is characterized in that: the transparent membrane material that this device is suitable for is PET (PET) or polyethylene (PE) or polyvinyl chloride (PVC) or polypropylene (PP); The thin-film width scope is 2mm to 1.02m, and the thickness range of film is 0.1mm to 2cm.
7. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment is characterized in that: the surface of negative electricity drum and positive electricity drum is full of negative electrical charge and positive charge by charger unit respectively.
8. a kind of LED according to claim 1 fluorescent material planar electrostatic printing equipment, it is characterized in that: adhesive box material is stainless steel or cast iron, and heater block is arranged at the bottom, the heating-up temperature scope is that 10 degree are to 200 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010607587 CN102133810A (en) | 2010-12-21 | 2010-12-21 | Phosphor plane electrostatic printing device for LED (light-emitting diode) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010607587 CN102133810A (en) | 2010-12-21 | 2010-12-21 | Phosphor plane electrostatic printing device for LED (light-emitting diode) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102133810A true CN102133810A (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010607587 Pending CN102133810A (en) | 2010-12-21 | 2010-12-21 | Phosphor plane electrostatic printing device for LED (light-emitting diode) |
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| Country | Link |
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| CN (1) | CN102133810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013085731A3 (en) * | 2011-12-06 | 2013-11-28 | Cooledge Lighting, Inc. | Formation of uniform phosphor regions for broad-area lighting systems and|phosphor placement tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101160182A (en) * | 2005-04-12 | 2008-04-09 | 东丽株式会社 | Coater of electric insulating sheet and method for producing electric insulating sheet with coating film |
| JP2008105315A (en) * | 2006-10-26 | 2008-05-08 | Mitsubishi Heavy Ind Ltd | Printable medium contact member, and printing device member |
| CN201140156Y (en) * | 2007-12-13 | 2008-10-29 | 中国农业科学院麻类研究所 | Environment-friendly type flax mulch film coating apparatus |
| CN101533882A (en) * | 2009-04-20 | 2009-09-16 | 南京工业大学 | fluorescent powder prefabricated film for white light LED and preparation method thereof |
| CN201404897Y (en) * | 2009-03-31 | 2010-02-17 | 深圳永合科技化工有限公司 | Multi-purpose dividing and cutting machine with coating function |
| CN101701683A (en) * | 2009-11-16 | 2010-05-05 | 南京工业大学 | Light transmission board pre-fabricated component of white light LED and manufacturing method thereof |
-
2010
- 2010-12-21 CN CN 201010607587 patent/CN102133810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101160182A (en) * | 2005-04-12 | 2008-04-09 | 东丽株式会社 | Coater of electric insulating sheet and method for producing electric insulating sheet with coating film |
| JP2008105315A (en) * | 2006-10-26 | 2008-05-08 | Mitsubishi Heavy Ind Ltd | Printable medium contact member, and printing device member |
| CN201140156Y (en) * | 2007-12-13 | 2008-10-29 | 中国农业科学院麻类研究所 | Environment-friendly type flax mulch film coating apparatus |
| CN201404897Y (en) * | 2009-03-31 | 2010-02-17 | 深圳永合科技化工有限公司 | Multi-purpose dividing and cutting machine with coating function |
| CN101533882A (en) * | 2009-04-20 | 2009-09-16 | 南京工业大学 | fluorescent powder prefabricated film for white light LED and preparation method thereof |
| CN101701683A (en) * | 2009-11-16 | 2010-05-05 | 南京工业大学 | Light transmission board pre-fabricated component of white light LED and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013085731A3 (en) * | 2011-12-06 | 2013-11-28 | Cooledge Lighting, Inc. | Formation of uniform phosphor regions for broad-area lighting systems and|phosphor placement tool |
| US8828759B2 (en) | 2011-12-06 | 2014-09-09 | Cooledge Lighting Inc. | Formation of uniform phosphor regions for broad-area lighting systems |
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Application publication date: 20110727 |