CN103972023A - Field emission lamp - Google Patents
Field emission lamp Download PDFInfo
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- CN103972023A CN103972023A CN201310032915.6A CN201310032915A CN103972023A CN 103972023 A CN103972023 A CN 103972023A CN 201310032915 A CN201310032915 A CN 201310032915A CN 103972023 A CN103972023 A CN 103972023A
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- field emission
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Abstract
The invention provides a field emission lamp which comprises a plurality of transparent light-emitting subunits. Each light-emitting subunit comprises a field emission light source module and a support. Each field emission light source module comprises an electric conduction anode and an electric conduction cathode. The electric conduction anodes and the electric conduction cathodes are arranged in a corresponding mode and matched in shape. Each electric conduction cathode comprises a first substrate, a first electric conduction film arranged on the surface of the first substrate, and a nanometer electron emission body growing on the first electric conduction film. The supports are matched with the field emission light source modules in shape. The inner side face of each support is provided with an installation groove. The edge of each field emission light source module is embedded in each installation groove. The lower surface of the support of one light-emitting subunit is provided with a guide part, and the upper surface of the support of the other adjacent light-emitting subunit is provided with a sliding part. The sliding part is matched with the guide part so that the light-emitting subunits can be connected in a sliding mode. According to the field emission lamp, the field emission light source modules can be folded, and therefore transportation space is saved; the field emission light source modules can be unfolded so that the field emission lamp emitting light in a large-area mode can be formed.
Description
[technical field]
The present invention relates to a kind of emission lamp, especially a kind of can horizontal development or field rotary expansion, stackable bright dipping emission lamp.
[background technology]
Field emission light source (Field emission light source) is a kind of emerging light source, its principle of luminosity is in the vacuum band in the middle of emission electrode and collecting electrode, to import high voltage to produce electric field, make the electron emitters such as low potential place metal tip, carbon nano-tube launch electronics, bombardment high potential place luminescent material (fluorescent material) and send visible ray.Field emission light source because its apparatus structure is simple, brightness is high, visual angle is wide, light efficiency is high, the advantage such as easy complanation and maximization, be widely used in just gradually decorating, illumination or instruction are used etc. in light-source system, there is huge application potential.
The electron source that field emission light source adopts is cold cathode (emitter), having relatively high expectations of target electron emitter used, the field emmision material adopting requires fabulous electron emissivity, to there is lower cut-in voltage simultaneously, can transmit great current density, and current stabilization, but with current technology of preparing, under the effect of highfield, the problems such as micro-point destruction, electric current variation, performance degradation also do not solve completely.Also need to consider the inhomogeneity further raising of emitter, the raising of production efficiency, the reduction of equipment investment etc. simultaneously.Therefore, utilize gas to replace the electron emitter in traditional field emission light source device as electron source, can effectively reduce technology difficulty and the preparation cost of preparing field emission light source.
Traditional field emission lamp, in order to reach certain brightness, need to have certain light-emitting area.Larger light-emitting area is higher for the requirement of technology of preparing, and at present, the uniformity of luminance of large-area field emission light source still has much room for improvement, and the problem of performance degradation also has to be solved.In addition, large-area feds solidity architectural feature restriction is not easy to carry and transports.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of extensible emission lamp, after this emission lamp is folding, be easy to carry, reduce transport difficulty, and the bright dipping that can superpose; After expansion, there is larger light-emitting area, applying flexible.
An a kind of emission lamp, is characterized in that, comprise multiple luminous subelements, described multiple luminous subelements slidably couple together, so that described multiple luminous subelement is deployable, each described luminous subelement comprises:
Field emission illuminant module, for laminar, the thickness of described field emission illuminant module is less than or equal to 3 millimeters, and described field emission illuminant module comprises conductive cathode and setting corresponding to described conductive cathode interval, and the conductive anode matching with the shape of described conductive cathode, described conductive cathode comprises first substrate, be located at lip-deep first conducting film of described first substrate and be grown in the nanoelectronic emitter on described the first conducting film, described conductive anode comprises second substrate and is located at lip-deep second conducting film of described second substrate near described conductive cathode, on described the second conducting film, be coated with phosphor powder layer, described nanoelectronic emitter is electron emission under the highfield effect between described conductive anode and described conductive cathode, described electronics bombards described phosphor powder layer and produces visible ray,
Support, is frame shape, and the shape of described support and the shape of described field emission illuminant module match, and the medial surface of described support is provided with mounting groove, and the edge of described field emission illuminant module is nested in described mounting groove; Described in one of them, the lower surface of the support of luminous subelement is provided with guide part, the upper surface of the support of another adjacent described luminous subelement is provided with sliding part, described sliding part matches with described guide part, and described multiple luminous subelement is slidably coupled together;
Wherein, in the time that described multiple luminous subelements launch, described multiple luminous subelements successively head and the tail connect, and in the time that described multiple luminous subelements shrink, described multiple luminous subelements overlap successively.
Above-mentioned emission lamp is by the field emission illuminant module of multiple sheet types being fixed by support and being formed luminous subelement, more multiple luminous subelements are launched to light fixture by the sliding part on support and the stacked field of composition of adding up of guide part levels.When emission lamp is closed then and there, field emission illuminant module is collapsible, saves transport space, and when emission lamp is opened then and there, the sliding part of luminous subelement can be launched into along guide part the field transmitting light fixture of large area light emitting.
In an embodiment, described field emission illuminant module is one side ray structure or double-side structure therein.
Therein in an embodiment, described field emission illuminant module arc-shaped flaky structure, and its edge is rectangle, after described multiple luminous subelement horizontal developments, forms large-sized ring like light fitting.
Therein in an embodiment, described guide part is two, and described guide part is that described sliding part is two, and described sliding part is the T shape projection of being located at the two ends of the flattened edge of described support along the inverted T-slot of the thin-and-long of the curved edge extension of described support.
In an embodiment, described first substrate is transparency glass plate therein, and described the first conducting film is aluminium film, and described nanoelectronic emitter is carbon nano-tube; Described conductive anode is two, lays respectively at the both sides of described conductive cathode, described second substrate is transparency glass plate, and described the second conducting film is ITO film.
In an embodiment, described field emission illuminant module is planar shaped laminated structure therein, and its edge is rectangle, after described multiple luminous subelement horizontal developments, forms large-sized strip light fixture.
Therein in an embodiment, described guide part is two, and described guide part is the inverted T-slot along the thin-and-long of two opposite edges of described support, and described sliding part is two, and described sliding part is the T shape projection of being located at described two opposite edges one end of described support.
In an embodiment, described first substrate is transparency glass plate therein, and described the first conducting film is ITO film, and described nanoelectronic emitter is zinc oxide nano rod; Described second substrate is transparency glass plate, and described the second conducting film is ITO film.
Therein in an embodiment,, the phosphor powder layer of described multiple field emission illuminant modules is red fluorescence bisque, green phosphor layer or blue phosphor layer, and described multiple luminous subelements launch successively, form monochromatic field emission lamp.
Therein in an embodiment, not the phosphor powder layer of described multiple field emission illuminant modules not identical, described multiple luminous subelements launch successively, form the field emission lamp of polychrome.
[brief description of the drawings]
Fig. 1 is the structural representation of the field emission illuminant module of the field emission lamp of the embodiment of the present invention one;
Fig. 2 is the stereogram of the support of the field emission lamp of the embodiment of the present invention one;
Fig. 3 is the stereogram at another visual angle of the support of the field emission lamp of the embodiment of the present invention one;
Fig. 4 is the profile of the support of the field emission lamp of the embodiment of the present invention one;
Fig. 5 is the profile at another visual angle of the support of the field emission lamp of the embodiment of the present invention one;
Fig. 6 is the assembling schematic diagram of the field emission lamp of the embodiment of the present invention one;
Fig. 7 is the partial schematic diagram of the field emission lamp of the embodiment of the present invention one;
Fig. 8 is the cutaway view of the field emission lamp shown in Fig. 7;
Fig. 9 is the stereogram of the field emission lamp of the embodiment of the present invention one;
Figure 10 is the partial schematic diagram of the field emission lamp of the embodiment of the present invention two;
Figure 11 is the stereogram of the field emission lamp of the embodiment of the present invention two.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in specification of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
The field emission lamp of embodiment of the present invention, comprises multiple luminous subelements, and multiple luminous subelements couple together slidably, so that multiple luminous subelement is deployable.Each luminous subelement comprises field emission illuminant module and support.
Field emission illuminant module is laminar, and the thickness of field emission illuminant module is less than or equal to 3 millimeters, and for example, field emission illuminant module is planar shaped laminated structure, and its edge is rectangle, after multiple luminous subelement horizontal developments, forms large-sized strip light fixture.Or field emission illuminant module is arc-shaped flaky structure, and its edge is rectangle, after multiple luminous subelement horizontal developments, forms large-sized ring like light fitting.
Field emission illuminant module can be one side ray structure or double-side structure.Field emission illuminant module comprises conductive anode and conductive cathode.Conductive anode and conductive cathode interval corresponding setting, the shape of conductive anode and the shape of conductive cathode match.
Conductive cathode comprises first substrate, the first conducting film and nanoelectronic emitter, and the first conducting film is located on the surface of first substrate, and nanoelectronic emitter is grown on described the first conducting film.First substrate can be transparency glass plate or other substrates.The first conducting film can be aluminium film, ITO film etc.Nanoelectronic emitter can be carbon nano-tube, zinc oxide nano rod etc.
Conductive anode comprises second substrate and the second conducting film, and the second conducting film is located on the surface of second substrate near conductive cathode, on the second conducting film, is coated with phosphor powder layer.Second substrate can be transparency glass plate or other substrates.The second conducting film can ITO film.
The phosphor powder layer of multiple field emission illuminant modules can be identical, also can be not identical.For example, the phosphor powder layer of multiple field emission illuminant modules is red fluorescence bisque, green phosphor layer or blue phosphor layer, and multiple luminous subelements launch successively, forms monochromatic field emission lamp.Or, not the phosphor powder layer of multiple field emission illuminant modules not identical, multiple luminous subelements launch successively, form the field emission lamp of polychrome.
The inner surface of conductive anode is provided with layer of fluorescent powder layer, and nanoelectronic emitter is electron emission under the highfield effect between conductive anode and conductive cathode, electronics impact fluorescence bisque and produce visible ray.
In other words, the fluorescent material applying on each field emission illuminant module can be same color, can be also the different colors of planting.Field emission illuminant module can be one side ray structure, can be also double-side structure.When emission lamp is closed then and there, luminous subelement is collapsible, saves transport space and storage difficulty; When transmitting is opened then and there, luminous subelement launches successively, when the fluorescent material color that applies when each field emission illuminant module is inconsistent, an emission lamp open and fully launch after can obtain the strip field transmitting light fixture of photochromic abundant a, double-side or photochromic abundant, a toroidal field transmitting light fixture that one side is luminous.
Support is frame shape, and the shape of support and the shape of field emission illuminant module match, and the medial surface of support is provided with mounting groove, and the edge of field emission illuminant module is nested in mounting groove.
The lower surface of the support of one of them luminous subelement is provided with guide part, and the upper surface of the support of another adjacent luminous subelement is provided with sliding part, and sliding part matches with guide part, and multiple luminous subelements are slidably coupled together.
It should be noted that, the support of multiple luminous subelements can be identical, that is, the support of each luminous subelement is equipped with guide part and sliding part.Now, because the structure of each support is all identical, be convenient to assembling.When being positioned at after a luminous subelement damage at an emission lamp middle part, can be moved to two ends place, and do not affected normal illumination.Or, be positioned at a support for the luminous subelement of emission lamp one end and be only provided with sliding part, be positioned at a support for the luminous subelement of the emission lamp other end and be only provided with guide part.If desired an emission lamp sends special color, the phosphor powder layer of particular color need to be set the field transmitter module at the two ends of field emission lamp, now, in the time of the emission lamp of assembling field, can avoid the luminous subelement that is positioned at two ends to be installed to other positions, thereby there is foolproof function.
For example, when field emission illuminant module be shaped as arc-shaped flaky structure time, guide part is two, and guide part is the inverted T-slot of the thin-and-long that extends along the curved edge of support, sliding part is two, and sliding part is the T shape projection of being located at the two ends of the flattened edge of support.In the time that field emission illuminant module is rectangular flat structure, guide part is two, and guide part is that sliding part is two, and sliding part is the T shape projection of being located at two opposite edges one end of support along the inverted T-slot of the thin-and-long of two opposite edges of support.
It should be noted that, guide part is not limited to T shape projection, and guide part is not limited to inverted T-slot, also can be the structure of other shapes, and for example, guide part is that cross section is the guide rail of swallow-tail form, and sliding part is the slide block with swallowtail-shaped slide.
The length of T shape projection double end end can be 1 ~ 3mm.The development length of inverted T-slot is slightly less than the length of the opposite side of support.When forming a luminous subelement in the mounting groove that field emission illuminant module is fixed on to support, after the sliding part of a luminous subelement snaps in the guide part of another luminous subelement, two luminous subelements can be stitched together up and down.When sliding part is along guide part horizontal slip time, two luminous subelements can launch.After multiple luminous subelements are stitched together, this emission lamp can horizontal development become large area list structure, or rotary expansion becomes Area Circular structure.
Above-mentioned emission lamp fixed the field emission illuminant module of multiple sheet types and forms luminous subelement by support, more multiple luminous subelements are launched to light fixture by the sliding part on support and the stacked field of composition of adding up of guide part levels.When emission lamp is closed then and there, multiple luminous subelements are collapsible, save transport space, and when emission lamp is opened then and there, the sliding part of multiple luminous subelements can be launched into along guide part the field transmitting light fixture of large area light emitting.
Illustrate the structure of above-mentioned emission lamp below in conjunction with different embodiment.
Embodiment 1
Refer to Fig. 1, field emission illuminant module 110 is planar shaped laminated structure, and its edge is rectangle, and thickness is 2 millimeters, and light-emitting area is 10cm × 10cm rectangle plane.The internal structure of field emission illuminant module 110 is specially conductive cathode 111 and two conductive anodes 113 of a two-sided conduction.Conductive cathode 111 comprises first substrate 111a, be coated on first substrate 111a relative two surfaces the first conducting film 111b and be grown in the electron emitter 111c on the first conducting film 111b, first substrate 111a is planar shaped laminated structure, and its edge is rectangle.First substrate 111a is transparency glass plate, and the first conducting film 111b is aluminium film, and nanoelectronic emitter 111c is carbon nano-tube.Two conductive anodes 113 lay respectively at the both sides of conductive cathode 111, and shape is mated with conductive cathode 111.Each conductive anode 113 comprises a second substrate 113a and is located at the lip-deep second conducting film 113b of second substrate 113a near conductive cathode 111.Second substrate 113a is transparency glass plate.The second conducting film 113b is ITO conducting film, the upper phosphor powder layer 115 that applies of the second conducting film 113b, and specifically, in illustrated embodiment, phosphor powder layer 115 can be red fluorescence powder layer, green phosphor layer or blue phosphor layer.When apply high pressure on conductive anode 113 and conductive cathode 111 time, nanoelectronic emitter 111c electron emission under highfield effect, electronics bombardment is positioned at the phosphor powder layer 115 at high potential place and luminous.
Refer to Fig. 2 to Fig. 5, the form fit of the shape of support 120 and field emission illuminant module 110, is the frame of rectangle, has mounting groove 121 in scuncheon, and field emission illuminant module 110 can be nested and be fixed in mounting groove 121.On one end of two opposite side of the upper surface of support 120, be respectively arranged with T shape projection 123.That is, the single head end of T shape projection 123 is connected with support 120, and double end end is free end.The width of the double end end of T shape projection 123 is 2mm.On two opposite side of the lower surface of support 120, be respectively arranged with inverted T-slot 125, inverted T-slot 125 extends along the opposite side of support 120, and the development length of inverted T-slot 125 is slightly less than the length of opposite side.
Refer to Fig. 6 to Fig. 9, field emission illuminant module 110 is fixed in the mounting groove 121 of support 120 and forms a luminous subelement 101.After the T shape projection 123 of a luminous subelement 101 snaps in the inverted T-slot 125 of another luminous subelement 101, two luminous subelements 101 can be stitched together up and down.When T shape projection 123 is along inverted T-slot 125 horizontal slip time, two luminous subelements 101 can horizontal development.
When emission lamp 100 is closed then and there, field emission illuminant module 110 is collapsible, saves transport space and storage difficulty.When emission lamp 100 is opened then and there, when emission lamp 100 is opened then and there, the T shape projection 123 of luminous subelement 101 is launched along inverted T-slot 125, and an emission lamp 100 can obtain the large scale strip light fixture of a double-side after fully launching.
Embodiment 2
Refer to Figure 10 and Figure 11, field emission illuminant module 210 is arc-shaped flaky structure, and edge is rectangle.The thickness of field emission illuminant module 210 is 1 millimeter, and light-emitting area is 10cm × 8cm.Wherein, field emission illuminant module 210 comprises a conductive cathode and a conductive anode.Conductive cathode comprises first substrate and is coated on the first conducting film on first substrate and is grown in the nanoelectronic emitter on the first conducting film, and first substrate is arc-shaped flaky structure, and its edge is rectangle.First substrate is glass plate, and the first conducting film is ITO film, and nanoelectronic emitter is zinc oxide nano rod.Conductive anode setting corresponding to conductive cathode interval, the form fit of shape and conductive cathode.Conductive anode comprises a second substrate and is located at lip-deep second conducting film of second substrate near conductive cathode, on the second conducting film, applies phosphor powder layer.Second substrate is transparency glass plate, and the second conducting film is ITO film.When apply high pressure on two electrodes time, nanoelectronic emitter is electron emission under highfield effect, and the electronics of launching bombards phosphor powder layer in high potential place and be luminous.
The form fit of the shape of support 220 and field emission illuminant module 210, has mounting groove in scuncheon, field emission illuminant module 210 can be nested and be fixed in mounting groove.On one end of two opposite side of the outer surface of support 220, be respectively arranged with T shape projection.That is, the single head end of T shape projection is connected with support 220, and double end end is free end.The width of the double end end of T shape projection is 1mm.On two opposite side of the inner surface of support 220, be respectively arranged with inverted T-slot, inverted T-slot 125 extends along the opposite side of support 120, and the development length of inverted T-slot 125 is slightly less than the length of opposite side.
Field emission illuminant module 210 is fixed in the mounting groove of support 220 and forms a luminous subelement 201, after the T shape projection of a luminous subelement 201 snaps in the inverted T-slot of another luminous subelement 201, two luminous subelements 201 can be stitched together up and down.When T shape projection is along inverted T-slot horizontal slip time, two luminous subelements 201 can be along inverted T-slot rotary expansion.
In the time that each field emission illuminant module 210 applies the fluorescent material of different colours, each field emission illuminant module 210 can send different photochromic.When emission lamp 200 is closed then and there, field emission illuminant module 210 is collapsible, saves transport space and storage difficulty.When emission lamp 200 is opened then and there, the T shape projection of luminous subelement 201 can be launched along inverted T-slot, and an emission lamp 200 can obtain a photochromic abundant ring like light fitting after fully launching.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a field emission lamp, is characterized in that, comprises multiple luminous subelements, and described multiple luminous subelements slidably couple together, so that described multiple luminous subelement is deployable, each described luminous subelement comprises:
Field emission illuminant module, for laminar, the thickness of described field emission illuminant module is less than or equal to 3 millimeters, and described field emission illuminant module comprises conductive cathode and setting corresponding to described conductive cathode interval, and the conductive anode matching with the shape of described conductive cathode, described conductive cathode comprises first substrate, be located at lip-deep first conducting film of described first substrate and be grown in the nanoelectronic emitter on described the first conducting film, described conductive anode comprises second substrate and is located at lip-deep second conducting film of described second substrate near described conductive cathode, on described the second conducting film, be coated with phosphor powder layer, described nanoelectronic emitter is electron emission under the highfield effect between described conductive anode and described conductive cathode, described electronics bombards described phosphor powder layer and produces visible ray,
Support, is frame shape, and the shape of described support and the shape of described field emission illuminant module match, and the medial surface of described support is provided with mounting groove, and the edge of described field emission illuminant module is nested in described mounting groove; Described in one of them, the lower surface of the support of luminous subelement is provided with guide part, the upper surface of the support of another adjacent described luminous subelement is provided with sliding part, described sliding part matches with described guide part, and described multiple luminous subelement is slidably coupled together;
Wherein, in the time that described multiple luminous subelements launch, described multiple luminous subelements successively head and the tail connect, and in the time that described multiple luminous subelements shrink, described multiple luminous subelements overlap successively.
2. as claimed in claim 1 emission lamp, is characterized in that, described field emission illuminant module is one side ray structure or double-side structure.
3. as claimed in claim 1 emission lamp, is characterized in that, described field emission illuminant module is arc-shaped flaky structure, and its edge is rectangle, after described multiple luminous subelement horizontal developments, forms large-sized ring like light fitting.
4. as claimed in claim 3 emission lamp, it is characterized in that, described guide part is two, and described guide part is the inverted T-slot along the thin-and-long of the curved edge extension of described support, described sliding part is two, and described sliding part is the T shape projection of being located at the two ends of the flattened edge of described support.
5. as claimed in claim 3 emission lamp, is characterized in that, described first substrate is transparency glass plate, and described the first conducting film is aluminium film, and described nanoelectronic emitter is carbon nano-tube; Described conductive anode is two, lays respectively at the both sides of described conductive cathode, described second substrate is transparency glass plate, and described the second conducting film is ITO film.
6. as claimed in claim 1 emission lamp, is characterized in that, described field emission illuminant module is planar shaped laminated structure, and its edge is rectangle, after described multiple luminous subelement horizontal developments, forms large-sized strip light fixture.
7. as claimed in claim 6 emission lamp, it is characterized in that, described guide part is two, and described guide part is the inverted T-slot along the thin-and-long of two opposite edges of described support, described sliding part is two, and described sliding part is the T shape projection of being located at described two opposite edges one end of described support.
8. as claimed in claim 6 emission lamp, is characterized in that, described first substrate is transparency glass plate, and described the first conducting film is ITO film, and described nanoelectronic emitter is zinc oxide nano rod; Described second substrate is transparency glass plate, and described the second conducting film is ITO film.
9. as claimed in claim 1 emission lamp, it is characterized in that, the phosphor powder layer of described multiple field emission illuminant modules is red fluorescence bisque, green phosphor layer or blue phosphor layer, and described multiple luminous subelements launch successively, forms monochromatic field emission lamp.
10. as claimed in claim 1 emission lamp, is characterized in that, not the phosphor powder layer of described multiple field emission illuminant modules not identical, and described multiple luminous subelements launch successively, form the field emission lamp of polychrome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032915.6A CN103972023A (en) | 2013-01-28 | 2013-01-28 | Field emission lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032915.6A CN103972023A (en) | 2013-01-28 | 2013-01-28 | Field emission lamp |
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| CN103972023A true CN103972023A (en) | 2014-08-06 |
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| WO2011126334A2 (en) * | 2010-04-08 | 2011-10-13 | Kim Si-Han | Portable display apparatus |
| CN102667584A (en) * | 2009-11-16 | 2012-09-12 | 金时焕 | Portable display apparatus |
| EP2535919A1 (en) * | 2011-06-17 | 2012-12-19 | Samsung Electronics Co., Ltd. | Field emission panel, liquid crystal display and field emission display having the same |
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| JP2002075286A (en) * | 2000-08-24 | 2002-03-15 | Nec Kansai Ltd | Flat light-emitting element |
| JP2007227077A (en) * | 2006-02-22 | 2007-09-06 | Dialight Japan Co Ltd | Field emission light source |
| CN101471224A (en) * | 2007-12-29 | 2009-07-01 | 财团法人工业技术研究院 | Light source with two-sided luminous face |
| CN102667584A (en) * | 2009-11-16 | 2012-09-12 | 金时焕 | Portable display apparatus |
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