CN104008951A - Field emission device for rotation scanning screen - Google Patents
Field emission device for rotation scanning screen Download PDFInfo
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- CN104008951A CN104008951A CN201310061151.3A CN201310061151A CN104008951A CN 104008951 A CN104008951 A CN 104008951A CN 201310061151 A CN201310061151 A CN 201310061151A CN 104008951 A CN104008951 A CN 104008951A
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- feds
- anode
- field emission
- negative electrode
- transparent parts
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- 239000010408 film Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- GRPQBOKWXNIQMF-UHFFFAOYSA-N indium(3+) oxygen(2-) tin(4+) Chemical compound [Sn+4].[O-2].[In+3] GRPQBOKWXNIQMF-UHFFFAOYSA-N 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 2
- 238000010791 quenching Methods 0.000 abstract 2
- 230000000171 quenching effect Effects 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a field emission device for a rotation scanning screen. The field emission device comprises a field emission light source, two transparent parts, a rotation shaft and a light source control device. The two transparent parts are correspondingly provided with grooves, the grooves of the two transparent parts are mutually spliced to form an enclosed cavity, the field emission light source is adaptively embedded in the cavity, one side of each of the two transparent parts is provided with a through hole, the rotation shaft adaptively penetrates the through holes, the two transparent parts rotate about the rotation shaft, the rotation period of the rotation shaft is 0.02-0.2 second, and the light source control device comprises a microprocessor and a driving circuit so as to control the quenching or lightening time of the field emission light source. According to the invention, the field emission device realizes double-face light emission, has a small thickness, is light in weight, small in power consumption needed for rotation and high in flexibility, and is easily driven. Besides, the field emission device is rapid in response speed and short in starting time, thereby being suitable for occasions of rapid switching of lightening and quenching states.
Description
Technical field
The present invention relates to lighting source field, relate in particular to a kind of rotating scan screen feds.
Background technology
Field emission light source (Field emission light source) is a kind of emerging light source, have simple in structure, brightness is high, visual angle is wide, light efficiency is high, power saving, the easy advantage such as complanation and maximization, be widely used in just gradually decorating, illumination or indication are used etc. in light-source system, also the backlight module that can be used for liquid crystal display, has huge application potential.
Rotating scan screen is generally used LED array as light source at present, and the thickness of LED chip is only 100～150 μ m, but due to encapsulation requirement, the thickness of finished product device and quality are all larger, make the very flexible of rotating scan screen.In addition, adopt LED array to be generally one side ray structure as the rotating scan screen of light source.As adopt the LED rotating scan screen of double-side, and exist to drive complicatedly, there is the problems such as thickness is large, heat radiation is difficult.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and realizes by dynamic scan the rotating scan screen feds that picture and text show, and the two-sided bright dipping of described feds, thin thickness, quality is light, and flexibility ratio is high, and is easy to drive.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of rotating scan screen feds, comprise field emission light source, two Transparent Parts, rotating shaft and light source control device, two equal correspondences of described Transparent Parts are established groove, the described groove of two described Transparent Parts is spliced to form enclosed cavity mutually, described field emission light source adaptation is embedded in described cavity, one side of two described Transparent Parts is all offered through hole, described rotating shaft adaptation runs through described through hole, the rotation period of described rotating shaft is 0.02～0.2 second, described light source control device comprises microprocessor and drive circuit, to control extinguishing or lighting constantly of described field emission light source.
Wherein, described field emission light source consists of field transmitting subelement array, and described in each, an equal adaptation of transmitting subelement is embedded in described groove.
Wherein, described in each, a transmitting subelement includes negative electrode flat board, two anode flat plate, electron source and slider frame, described negative electrode flat board and two mutual stacking settings of described anode flat plate, described negative electrode flat board comprises cathode base and two cathode layers, described cathode base comprises two cards that are parallel to each other, two described cathode layers are partly covered in respectively described two cards, two described anode flat plate are symmetrically set in respectively a side of two cards of described negative electrode flat board, described anode flat plate comprises fluorescence coating, anode layer and anode substrate, described anode layer and described fluorescence coating are covered in the inwall of described anode substrate successively, described anode substrate is transparent material, the coating of two described anode flat plate is identical and sequentially dull and stereotyped symmetrical about described negative electrode, described electron source is located at the cavity between described negative electrode flat board and described two anode flat plate, it is dull and stereotyped that described slider frame is used for encapsulating described negative electrode, two described anode flat plate and described electron source.
Wherein, symmetric figure centered by described negative electrode flat board, the material of described cathode base is insulating material, described cathode layer is a kind of in nesa coating or metal conductive film.
Wherein, the material of described cathode base is a kind of in glass, pottery or polyethylene terephthalate thin film, and described cathode layer is a kind of in aluminium film, titanium film, silverskin or indium oxide tin film.
Wherein, the dull and stereotyped coaxial and form fit of described anode flat plate and described negative electrode, the material of described anode substrate is a kind of in clear glass, transparent ceramic, polyethylene terephthalate or polycarbonate film, described anode layer is indium oxide tin film.
Wherein, described electron source is electron emitter, and described electron emitter is covered in the outer wall of described cathode layer, and described electron emitter is carbon nano-tube or nanometic zinc oxide rod array.
Wherein, described electron source is gas electronic source, the cavity of described gas electronic source distribution between described negative electrode flat board and described anode flat plate, and described gas electronic source is one or more in nitrogen, helium, argon gas.
Wherein, described feds also comprises pad, and described pad is located at the outside of two described Transparent Parts, and described rotating shaft adaptation runs through described pad, and with spacing described Transparent Parts, described Transparent Parts be take described rotating shaft and circled as axle center.
Wherein, described microprocessor is for access graph text information to be shown, receive the rotational speed signal of described rotating shaft, and according to treating described graph text information and described rotational speed signal, send described transmitting subelement and light and extinguish the described drive circuit that controls signal to constantly, described drive circuit drives extinguishing or lighting constantly of a transmitting subelement described in each according to described control signal.
The embodiment of the present invention provides a kind of rotating scan screen feds, the two-sided bright dipping of described feds, and thin thickness, quality is light, rotates required power consumption little, and flexibility ratio is high, is easy to drive.In addition, the fast response time of described feds, start-up time is short, is applicable to light and extinguish the occasion that state switches fast.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the decomposing schematic representation of feds for the rotating scan screen that provides of the embodiment of the present invention;
Fig. 2 is the structural representation of the field transmitting subelement that provides of the embodiment of the present invention;
Fig. 3 is the assembling schematic diagram of feds for the rotating scan screen that provides of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Below with reference to accompanying drawing, embodiments of the invention are described.Referring to Fig. 1, be the structural representation of rotating scan screen in the present invention with feds 100.Described feds 100 comprises field emission light source 1, two Transparent Parts 2, rotating shaft 3 and light source control devices (in figure, not indicating).
Two equal correspondences of described Transparent Parts 2 are established groove 21, and described groove 21 is spliced to form enclosed cavity mutually.One side of two described Transparent Parts 2 is all offered through hole 22, with spacing described rotating shaft 3.Two described Transparent Parts 2 are all elongated, and material is clear glass or transparent ceramic.Two described Transparent Parts 2 are bonding through glue, to seal described field emission light source 1.In present embodiment, described Transparent Parts 2 is 0.15 * 12cm
2strip clear glass, it is 0.35cm that a side of described Transparent Parts 2 is offered 10 radiuses, is highly the described groove 21 of 0.075cm, the spacing of described groove 21 is 0.3cm, described groove 21 be shaped as centrosymmetric image, as circle, square, regular hexagon or regular pentagon.In other embodiments, described Transparent Parts 2 can need to present different size and shapes according to user, and two described Transparent Parts 2 bolts connect to seal described field emission light source 1.
Described field emission light source 1 consists of field transmitting subelement 11 arrays, and described in each, an equal adaptation of transmitting subelement 11 is embedded in described groove 21, thereby adaptation is embedded in described cavity.In present embodiment, described field emission light source 1 comprises 10 described transmitting subelement 11, arranges and is fixed in described groove 21.Described in each, a transmitting subelement 11 is the cylindrical piece of radius 0.35cm, thickness 0.15cm.In other embodiments, described transmitting subelement 11 can present different shapes according to described groove 21.
Referring to Fig. 2, a transmitting subelement 11 includes negative electrode flat board 111, two anode flat plate 112, electron source 113 and slider framves (not indicating in figure) described in each.
Dull and stereotyped 111 and two the mutual stacking settings of described anode flat plate 112 of described negative electrode, described negative electrode flat board 111 comprises cathode base 111a and two cathode layer 111b, described cathode base 111a comprises two cards that are parallel to each other, and two described cathode layer 111b are covered in respectively described two cards.The centrosymmetric image of described negative electrode dull and stereotyped 111 for matching with described groove 21, the material of described cathode base 111a is insulating material, described cathode layer 111b is a kind of in nesa coating or metal conductive film.In present embodiment, the material of described cathode base 111a is glass, and described cathode layer 111b is aluminium film.In other embodiments, the material of described cathode base 111a is a kind of in pottery or polyethylene terephthalate (polyethylene terephthalate is called for short PET) film, and described cathode layer 111b is a kind of in titanium film, silverskin or indium oxide tin film.
Two described anode flat plate 112 are symmetrically set in respectively a side of two cards of described negative electrode flat board 111.Described anode flat plate 112 comprises fluorescence coating 112a, anode layer 112b and anode substrate 112c, described anode layer 112b and described fluorescence coating 112a are covered in the inwall of described anode base 112c plate successively, described anode substrate 112c is transparent material, and the identical and order of the coating of two described anode flat plate 112 is about dull and stereotyped 111 symmetries of described negative electrode.In present embodiment, described anode flat plate 112 and the dull and stereotyped 111 coaxial and form fit of described negative electrode, the material of described anode substrate 112c is clear glass, described anode layer 112b is indium oxide tin film.In other embodiments, the material of described anode substrate 112c is a kind of in transparent ceramic, PET film or Merlon (polycarbonate film is called for short PC) film.
Described electron source 113 is located at the cavity between described negative electrode dull and stereotyped 111 and described two anode flat plate 112, and described electron source 113 is electron emitter or gas electronic source.In present embodiment, described electron source 113 is electron emitter, and described electron emitter 113 is covered in the outer wall of described cathode layer 111b, and described electron emitter is carbon nano-tube or nanometic zinc oxide rod array.In other embodiments, described electron source 113 is gas electronic source, the cavity of described gas electronic source distribution between described negative electrode dull and stereotyped 111 and described anode flat plate 112, and described gas electronic source is one or more in nitrogen, helium, argon gas.
Described slider frame is used for encapsulating described negative electrode flat board 111, two described anode flat plate 112 and described electron sources 113, makes described transmitting subelement 11 form whole.
The principle of described transmitting subelement 11 is: between described negative electrode dull and stereotyped 111 and described anode flat plate 112, apply voltage, make to produce highfield between described negative electrode dull and stereotyped 111 and described anode flat plate 112, described electron emitter 113 ionizes out free electron under described highfield effect, thereby bombard described fluorescence coating 112a, and then inspire visible ray.
Refer to Fig. 3, described rotating shaft 3 adaptations run through described through hole 22, and described Transparent Parts 2 is rotated around described rotating shaft 3.Described feds 100 also comprises pad 31, and described pad 31 is located at the outside of two described Transparent Parts 2, and described rotating shaft 3 adaptations run through described pad 31, with spacing described Transparent Parts 2.The rotation period of described rotating shaft 3 is 0.02～0.2s, thereby realizes the vision stop effect of human eye.
Described light source control device comprises microprocessor and drive circuit, to control extinguishing or lighting constantly of described field emission light source 1.Concrete, described microprocessor is used for access graph text information to be shown, and receives the rotational speed signal of described rotating shaft 3.And according to treating described graph text information and described rotational speed signal, send described transmitting subelement 11 and light and extinguish the described drive circuit that controls signal in the moment.Described drive circuit is connected to a transmitting subelement 11 described in each, and described drive circuit drives extinguishing or lighting constantly of a transmitting subelement 11 described in each according to described control signal.
The principle of described feds 100 is: in each cycle of rotating in described rotating shaft 3, described feds 100 all can be controlled extinguishing or lighting constantly of a transmitting subelement 11 described in each by described light source control device, thereby makes described feds 100 show described graph text information.In addition, utilize the visual persistence effect of human eye, field emission light source subelement 11 arrays by high speed rotating form any patterns such as stable word, symbol, image on circular track plane.And compare LED rotary screen, the glow color of described feds 100 is softer.
The embodiment of the present invention provides a kind of feds 100 for rotating scan screen, the two-sided bright dipping of described feds 100, and thin thickness, quality is light, rotates required power consumption little, and flexibility ratio is high, is easy to drive.In addition, the fast response time of described feds 100, start-up time is short, is applicable to light and extinguish the occasion that state switches fast.
Above-described execution mode, does not form the restriction to this technical scheme protection range.The modification of doing within any spirit at above-mentioned execution mode and principle, be equal to and replace and improvement etc., within all should being included in the protection range of this technical scheme.
Claims (10)
1. a rotating scan screen feds, it is characterized in that, comprise field emission light source, two Transparent Parts, rotating shaft and light source control device, two equal correspondences of described Transparent Parts are established groove, the described groove of two described Transparent Parts is spliced to form enclosed cavity mutually, described field emission light source adaptation is embedded in described cavity, one side of two described Transparent Parts is all offered through hole, described rotating shaft adaptation runs through described through hole, two described Transparent Parts are rotated around described rotating shaft, the rotation period of described rotating shaft is 0.02～0.2 second, described light source control device comprises microprocessor and drive circuit, to control extinguishing or lighting constantly of described field emission light source.
2. a kind of rotating scan screen feds as claimed in claim 1, is characterized in that, described field emission light source consists of field transmitting subelement array, and described in each, an equal adaptation of transmitting subelement is embedded in described groove.
3. a kind of rotating scan screen feds as claimed in claim 2, it is characterized in that, described in each, a transmitting subelement includes negative electrode flat board, two anode flat plate, electron source and slider frame, described negative electrode flat board and two mutual stacking settings of described anode flat plate, described negative electrode flat board comprises cathode base and two cathode layers, described cathode base comprises two cards that are parallel to each other, two described cathode layers are covered in respectively described two cards, two described anode flat plate are symmetrically set in respectively a side of two cards of described negative electrode flat board, described anode flat plate comprises fluorescence coating, anode layer and anode substrate, described anode layer and described fluorescence coating are covered in the inwall of described anode substrate successively, described anode substrate is transparent material, the coating of two described anode flat plate is identical and sequentially dull and stereotyped symmetrical about described negative electrode, described electron source is located at the cavity between described negative electrode flat board and described two anode flat plate, it is dull and stereotyped that described slider frame is used for encapsulating described negative electrode, two described anode flat plate and described electron source.
4. a kind of rotating scan screen feds as claimed in claim 3, is characterized in that, symmetric figure centered by described negative electrode flat board, and the material of described cathode base is insulating material, described cathode layer is a kind of in nesa coating or metal conductive film.
5. a kind of rotating scan screen feds as claimed in claim 4, it is characterized in that, the material of described cathode base is a kind of in glass, pottery or polyethylene terephthalate thin film, and described cathode layer is a kind of in aluminium film, titanium film, silverskin or indium oxide tin film.
6. a kind of rotating scan screen feds as claimed in claim 3, it is characterized in that, described anode flat plate and the dull and stereotyped coaxial and form fit of described negative electrode, the material of described anode substrate is a kind of of clear glass, transparent ceramic, polyethylene terephthalate or polycarbonate film, and described anode layer is indium oxide tin film.
7. a kind of rotating scan screen feds as claimed in claim 3, it is characterized in that, described electron source is electron emitter, and described electron emitter is covered in the outer wall of described cathode layer, and described electron emitter is carbon nano-tube or nanometic zinc oxide rod array.
8. a kind of rotating scan screen feds as claimed in claim 3, it is characterized in that, described electron source is gas electronic source, the cavity of described gas electronic source distribution between described negative electrode flat board and described anode flat plate, described gas electronic source is one or more in nitrogen, helium, argon gas.
9. a kind of rotating scan screen feds as claimed in claim 1, it is characterized in that, described feds also comprises pad, described pad is located at the outside of two described Transparent Parts, described rotating shaft adaptation runs through described pad, with spacing described Transparent Parts, described Transparent Parts be take described rotating shaft and is circled as axle center.
10. a kind of rotating scan screen feds as claimed in claim 2, it is characterized in that, described microprocessor is for access graph text information to be shown, receive the rotational speed signal of described rotating shaft, and according to treating described graph text information and described rotational speed signal, send described transmitting subelement and light and extinguish the described drive circuit that controls signal to constantly, described drive circuit drives extinguishing or lighting constantly of a transmitting subelement described in each according to described control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061151.3A CN104008951A (en) | 2013-02-27 | 2013-02-27 | Field emission device for rotation scanning screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061151.3A CN104008951A (en) | 2013-02-27 | 2013-02-27 | Field emission device for rotation scanning screen |
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| Publication Number | Publication Date |
|---|---|
| CN104008951A true CN104008951A (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061151.3A Pending CN104008951A (en) | 2013-02-27 | 2013-02-27 | Field emission device for rotation scanning screen |
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| Country | Link |
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| CN (1) | CN104008951A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW500002U (en) * | 2001-05-04 | 2002-08-21 | Ting-Ching Wu | Rotation type dazzling rod with special sound and light effects |
| CN1705070A (en) * | 2004-06-02 | 2005-12-07 | 清华大学 | Double faced field emission display |
| CN201757067U (en) * | 2010-01-21 | 2011-03-09 | 李保锋 | Safety fan provided with storage medium and capable of controlling luminescence |
| US20120092396A1 (en) * | 2007-06-28 | 2012-04-19 | Qualcomm Mems Technologies, Inc. | Luminance balancing |
-
2013
- 2013-02-27 CN CN201310061151.3A patent/CN104008951A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW500002U (en) * | 2001-05-04 | 2002-08-21 | Ting-Ching Wu | Rotation type dazzling rod with special sound and light effects |
| CN1705070A (en) * | 2004-06-02 | 2005-12-07 | 清华大学 | Double faced field emission display |
| US20120092396A1 (en) * | 2007-06-28 | 2012-04-19 | Qualcomm Mems Technologies, Inc. | Luminance balancing |
| CN201757067U (en) * | 2010-01-21 | 2011-03-09 | 李保锋 | Safety fan provided with storage medium and capable of controlling luminescence |
Non-Patent Citations (1)
| Title |
|---|
| 王莉莉: "基于碳纳米材料的场发射光源研究", 《中国博士学位论文全文数据库》, 31 December 2008 (2008-12-31) * |
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Application publication date: 20140827 |