CN100527349C - Plane type field emission illumination module - Google Patents
Plane type field emission illumination module Download PDFInfo
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- CN100527349C CN100527349C CNB2006100864752A CN200610086475A CN100527349C CN 100527349 C CN100527349 C CN 100527349C CN B2006100864752 A CNB2006100864752 A CN B2006100864752A CN 200610086475 A CN200610086475 A CN 200610086475A CN 100527349 C CN100527349 C CN 100527349C
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Abstract
The invention comprises an upper baseboard, a lower baseboard and at least two electronic amplification layers located between the upper baseboard and lower baseboard. Each electronic amplification layer comprises multi electronic amplification boards, between every two neighbored electronic amplification boards, there is a gap.
Description
Technical field
The invention relates to a kind of plane type field emission illumination mould, refer to a kind of plane type field emission illumination module that is applicable to display or general closed planar formula lighting apparatus especially.
Background technology
In recent years because the importance of display in people life increases day by day, except use a computer or world-wide web, television set, mobile phone, PDA(Personal Digital Assistant), digital camera etc. must control transmission information by the transmission display device.Compared to traditional crt display, that new flat-panel screens from generation to generation has is in light weight, volume is little and meet the advantage of health, but problems such as its brightness, power consumption still have the space of improvement.
In numerous emerging flat-panel screens technology, be to serve as the main trend of using at present with LCD (LCD).Because LCD is non-self luminous display, must can produce Presentation Function by adding the light source mode, therefore module backlight is promptly played the part of the role of light source in LCD, is to be one of important spare part of LCD.
In traditional display backlight source, adopt cold cathode fluorescent lamp (CCFL) mostly with the illumination plane display.Restrain owing to be subjected to the fluorescent tube external form, the module backlight of the display assemblies such as light guide plate, reflecting plate, diffuser plate of need arranging in pairs or groups usually are with homogenizing fluorescent tube emitted light beams.So traditional cold cathode fluorescent lamp (CCFL) except the above-mentioned complementary assembly of arranging in pairs or groups, need have certain space thickness with even divergent light source during as the module backlight of light source, just can provide liquid crystal panel uniform illuminating ray.
Moreover, for the illuminating effect of LCD high brightness is provided, need promote the use power of fluorescent tube, meeting high-quality picture demand, power consumption increases, and problem such as too much heat energy generation yet but cause.Especially at present the demand of color plane display maximizes day by day, height becomes more meticulous and the development of high image qualityization, how to solve that known module power consumption backlight is too high, volume is big, spare part is complicated, luminance shortage, temperature is crossed problems such as height, will be the problem of needing solution at present badly.
People's desire solves the above-mentioned known problem that faces, and a kind of high brightness and construct frivolous plane type field emission illumination module of therefore concentrating on studies out replacing the backlight of traditional monitor, and provides a uniformity illuminating effect.
Summary of the invention
The objective of the invention is to, a kind of plane type field emission illumination module is provided, the lighting theory of this plane type field emission illumination module mainly is to utilize the Field Emission Display principle, promptly be lower than under the 10-6torr vacuum environment, provide an applying bias that the electronics of cathode point is pulled out, and under the influence of positive plate positive voltage, the phosphor powder of accelerating impact positive plate and produce luminescence phenomenon.Known Field Emission Display promptly has the characteristic above the 100ftL high brightness, so plane type field emission illumination module of the present invention not only can provide a complanation and inhomogeneity lighting source, and can satisfy the lighting demand of high brightness.
The present invention provides a kind of plane type field emission illumination module, and it includes a upper substrate, an infrabasal plate and at least two is arranged at the electronics amplification layer between upper substrate and infrabasal plate.Wherein, upper substrate of the present invention contains a fluorescent bisque and an anode, and infrabasal plate include insulating barrier that most ribbon negative electrodes, most electron emitters, have pattern, with at least one grid.In addition, negative electrode is the upper surface that is positioned at infrabasal plate, and electron emitter is the upper surface that is positioned at negative electrode, and grid is the upper surface that is positioned at insulating barrier.
In the present invention, every layer of electronics amplification layer all amplifies plates by most electronics to be formed, and in the electronics amplification layer with one deck, all has a gap between the per two adjacent electronics amplification panel edges.Moreover it is the sheet metal that a surface has the electronics amplified material that electronics of the present invention amplifies plate, and the cross section of thin plate is V-arrangement, U-shaped, semicircle, arc, trapezoidal, irregular shape or its combination.Thus, plane type field emission illumination module of the present invention is except assembling the electronics that electron emitter is launched, also homogenizing electron distributions effectively, and can completely cut off of the interference of the high electric field of upper substrate anode for the infrabasal plate negative electrode, with the brightness of illumination of lifting field emission illumination module and the color contrast of its uniformity and integral illumination light.
The ribbon negative electrode that is suitable among the present invention is unrestricted, the preferable ribbon negative electrode with equal wide that can be, better strip, crooked shape, zigzag or the width ribbon negative electrode such as difform of can be.Wherein, ribbon negative electrode of the present invention can be continuous or discrete ribbon negative electrode.In addition, the arrangement mode of negative electrode of the present invention is unrestricted, preferable being parallel on the infrabasal plate.
The infrabasal plate of plane type field emission illumination module of the present invention can also comprise at least one switch module, and it is to be connected in ribbon negative electrode of the present invention, to drive the electron emitter of cathode surface.And the present invention's switch module mentioned herein can be existing any passive or active drive formula switch module, preferable passive drive circuit, the better matrix-scanning drive circuit that can be of can be.
In a preferred embodiment, negative electrode of the present invention can be the strip strip-shaped cathode of most equal wide, and these negative electrodes can be arranged parallel to each other in the upper surface of infrabasal plate, is beneficial to the usefulness of matrix-scanning drive circuit.
Moreover in the plane type field emission illumination module of the present invention, the present invention has the insulating barrier of pattern and can be made up of most insulators, and insulator can be positioned at the both sides of each negative electrode, provides the usefulness that is electrically insulated to separate each negative electrode.In fact, insulator shape of the present invention does not have any restriction, can cooperate adjustment with its arrangement mode according to cathode shape of the present invention.In one preferred embodiment, each insulator of the present invention can be a strip insulator, and promptly the insulating barrier pattern is an elongate in shape.
When strip strip-shaped cathode of the present invention was arranged parallel to each other upper surface in infrabasal plate, the insulator that the present invention is positioned at each negative electrode both sides can be the insulator of elongate in shape, to cooperate the arrangement mode of each negative electrode.
In addition, the number of the present invention's electronics amplification layer between upper substrate and infrabasal plate is unrestricted.In order to consider factors such as low driving voltage, high electronics amplification effect, low manufacturing cost, the visual process requirement of electronics amplification layer of plane type field emission illumination module of the present invention and adjust each other interfloor distance, each interlayer position, each interlayer arrangement mode or its interlayer number is to reach best service efficiency and to promote its useful life.
In the same electronics amplification layer of the present invention, distance, position height, arrangement mode or its number that each electronics amplifies between plate are unrestricted, visual process requirement and cooperate adjustment.And in the present invention's one preferred embodiment, the height and position that each electronics amplifies plate all has equal height.
Moreover in the same electronics amplification layer of the present invention, the arrangement mode that electronics amplifies plate can not limit, and each electronics amplifies the preferable mode that is arranged parallel to each other that can be of plate.And in all electronics amplification layers of the present invention, layer is unrestricted with the arrangement mode of interlayer electronics amplification plate, preferablely is arranged parallel to each other or is staggered, and the best can be arranged parallel to each other.
In all electronics amplification layers of plane type field emission illumination module of the present invention, the clearance distance that per two adjacent electronics amplify panel edges is unrestricted, and the interlayer number of the interfloor distance of visible electronic amplification layer, electronics amplification layer or electronics amplify factor such as the arrangement mode between plate and cooperate adjustment.
In addition, in the same electronics amplification layer of the present invention, per two adjacent electronics amplify the clearance distance of panel edges can be identical or inequality, is preferably identical.And in all electronics amplification layers of the present invention, per two adjacent electronics amplify the clearance distance of panel edges can be identical or inequality, is preferably identical.
Be arranged parallel to each other when all electronics amplifies plate, and per two adjacent electronics amplify panel edges when all having identical clearance distance, in the then per two adjacent electronics amplification layers, each electronics amplifies plate center can be not overlapped in the projected position of infrabasal plate.Wherein, preferable the crack is in the projection of substrate between each electronics of adjacent electronics amplification layer amplifies between panel edges in the projection of substrate in the center that each electronics in the present invention's one electronics amplification layer amplifies plate, and the center that better electronics amplifies plate is to be positioned at each electronics of adjacent electronics amplification layer to amplify the projected position of central authorities on substrate in gap between panel edges in the projection of substrate.
Be adjacent to most in the electronics amplification layer of infrabasal plate, it is unrestricted that each electronics amplifies plate center relative position between infrabasal plate projected position and emitter, preferable can man-to-man corresponding relation projection on the electron emitter of infrabasal plate or between two electron emitters, can reach the equally distributed electronics mobile route of electronics to provide one.
In addition, it is V-arrangement, U-shaped, semicircle, arc, trapezoidal, irregular shape or its combined feature except having cross section that electronics of the present invention amplifies plate, electronics of the present invention amplifies plate and can and have a concave surface and concave surface up, and the cross section that electronics promptly of the present invention amplifies plate can be opening V-arrangement, U-shaped, semicircle, arc, trapezoidal, irregular shape or its combination up.And electronics of the present invention amplifies the plate shape and can be any shape, and the preferable ribbon electronics that can be amplifies plate, the better strip sheet metal that can be.Thus, electronics of the present invention amplifies the structural improvement of plate, not only can simplify processing procedure to reduce manufacturing cost, also can reach the effect of electronics homogenizing.
In the present invention's one concrete example, it is V-arrangement, U-shaped, semicircle, arc, trapezoidal or difform strip sheet metal that the electronics amplification plate that the present invention is suitable for can be cross section.In one preferred embodiment, electronics of the present invention amplifies plate and can be the strip sheet metal that a cross section is a V-arrangement.
The electronics that electron emitter of the present invention is launched, owing to be subjected to the influence of the potential difference between upper substrate and infrabasal plate, so can quicken to move toward the direction of upper substrate by infrabasal plate, clash into and excite the fluorescent powder of upper substrate fluorescent bisque, and produce the being seen visible light of human eye.Therefore, promptly to become brightness of illumination and light crucial uniformly for the uniformity of the number of electron amount and its distribution.
For brightness of illumination and its uniformity that more increases plane type field emission illumination module of the present invention, in the plane type field emission illumination module of the present invention, can apply one adds positive electricity and is arranged in each electronics amplification layer, the electronics that impels electron emitter to launch can be subjected to the influence of potential difference between infrabasal plate substrate and electronics amplification layer, and quicken to move toward the direction of electronics amplification layer, assemble the effect that electronics effectively clashes into the secondary electron number that produces multiplication to reach.Wherein, the extra electric field of each electronics amplification layer of the present invention can be identical or inequality, preferable can be inequality and to increase its current potential away from the infrabasal plate direction.
The electron emitter shape that the present invention is positioned at the ribbon cathode surface is unrestricted, the preferable ribbon electron emitter that can be with equal wide, for example: strip, crooked shape, zigzag or width ribbon negative electrode such as difform; Or can be the point-like electron emitter, for example: square, circular, oval, triangle or difform point-like electron emitter.Wherein, ribbon electron emitter of the present invention can be continuous or discrete ribbon electron emitter.In addition, factor such as shape of the visual manufacturing cost of the shape of electron emitter of the present invention or size, electronic transmitting efficiency, negative electrode and grid and adjust its suitable shape size.
In the present invention's one preferred embodiment, with respect to the ribbon negative electrode that is arranged in the infrabasal plate upper surface parallel to each other, the present invention is positioned at the electron emitter on the surface of strip strip-shaped cathode, can be the strip ribbon-like electron emitter of arrangement parallel to each other, and the electronics of all electronics amplification layers of the present invention amplifies the place, top that plate can be parallel to ribbon negative electrode of the present invention.
In addition, grid used in the present invention can be the grid that existing any Field Emission Display is suitable for, the preferable grid board that can be most grids or integrate.Wherein, a majority mentioned herein grid can be the grid of Any shape, and the shape of grid of the present invention can cooperate adjustment according to the shape of negative electrode or electron emitter.
In one preferred aspect, grid of the present invention can be the grid of ribbon or ring-type.Wherein, grid of the present invention can be and continuous or discretely waits width ribbon grid, and its shape can be strip, crooked shape, zigzag or irregular shape, with the electron emitter of collocation ribbon of the present invention or point-like.In addition, ring-type grid of the present invention can be one to one or the corresponding relation of one-to-many and with respect to the electron emitter of a majority of the present invention point-like.
Moreover grid of the present invention also can amplify plate with at least one electronics and integrate, i.e. electronics amplification plate can electrically connect with grid or electronics of the present invention amplification plate can reduce manufacturing cost to simplify overall process directly as the usefulness of grid.
Electronics amplified material of the present invention can be any and has the material that electronics amplifies effect, the preferable metal alloy that can be, for example silver-colored magnesium alloy, copper beryllium alloy, copper barium alloy, golden barium alloy, golden calcium alloy, tungsten barium billon, dilval or combinations thereof; Or a metal oxide, for example: beryllium oxide, magnesium oxide, calcium oxide, strontium oxide, ba oxide or combinations thereof excite the number of electrons of fluorescent powder, whole brightness and the color contrast that promotes pixel with increase.
But electron emitter used in the present invention can be the material of existing any emitting electrons, preferablely comprise a carbon compound (carbon-based material), and the group that formed of the optional free graphite of this carbon compound, diamond, class diamond structures carbon (diamond-like carbon), CNT (carbon nano-tube), carbon 60 and combination thereof.In one preferred embodiment, plane type field emission illumination module of the present invention is to use a CNT (carbon nano-tube) material as an electron emitter, and (carbon nanotube is CNT) as the usefulness of electronic field emission promptly to utilize CNT (carbon nano-tube).
The light color that plane type field emission illumination module of the present invention is irradiated is unrestricted, the difference of luminescent material in the visual fluorescent bisque of the present invention and irradiate the light color of demand.Wherein, fluorescent bisque of the present invention can be divided most viewing areas (pixel), maybe can integrate, with the lighting demand of collocation different color.
In one preferred aspect, fluorescent bisque of the present invention can be a ruddiness fluorescent bisque, a green glow fluorescent bisque, a blue light fluorescent bisque or its combination.That is, the light color that plane type field emission illumination module of the present invention is sent can be single colored light, for example: ruddiness, green glow, blue light or white light; Or be the combination of above-mentioned two or more single colored light.Wherein, the white light source that sent of plane type field emission illumination module of the present invention is ruddiness phosphor powder, green glow phosphor powder, and the result that mixes of blue light phosphor powder three.
In fluorescent bisque of the present invention, the applicable electron energy of ruddiness fluorescent bisque can produce the fluorescent powder of ruddiness, for example: Y
2O
3: (yittrium oxide: europium), the applicable electron energy of green glow fluorescent bisque can produce the fluorescent powder of green glow to Eu, for example: LaPO
4: cerium), LaPO Ce (lanthanum orthophosphate:
4: terbium), Y Tb (lanthanum orthophosphate:
2SiO
5: Tb, Ga
2O
3B
2O
3: Tb or (CeTb) MgAl
11O
19, and the applicable electron energy of blue light fluorescent bisque can produce the fluorescent powder of blue light, for example: SrO
5(PO)
3Cl:Eu, (SrCaBa)
5(PO
4)
3Cl:Eu or BaMgAl
16O
27: Eu.
When fluorescent bisque of the present invention was divided into most viewing areas, the present invention optionally can also comprise a light shield layer, and light shield layer can connect airtight in the fluorescent bisque by each viewing area, to be used for hiding except that light leak or to increase the contrast of color.Light shield layer can utilize general screen painting (screen printing technique) and make.
In order to seal the mechanical support usefulness and the vacuum degree of field emission illumination module of the present invention and lifting illumination module, to increase the useful life and the reliability of field emission illumination module of the present invention.Plane type field emission illumination module of the present invention can more comprise most the lateral wall and the madial walls that are positioned between upper substrate and infrabasal plate.Wherein, lateral wall can provide an inner confined space in the plane type field emission illumination module, and madial wall can be adjacent to lateral wall.
The lateral wall of plane type field emission illumination module of the present invention and madial wall all can be made of existing any involution material.And, the madial wall of plane type field emission illumination module of the present invention is preferable can be made by a gettering material that contains dilval, except as mechanical partition with the mechanical strength that improves illumination module, also can absorb steam, oxygen, carbon dioxide, and other residual gas of confined space in the illumination module, so that a good vacuum environment to be provided.The gettering material of dilval described herein can be existing any can be air-breathing the dilval material, preferablely can be one and mix inconel (Cr
xInvar
1-X) material, the x scope is 0.1 to 0.5.
Plane type field emission illumination module of the present invention can be applicable to the field that any need throw light on, the preferable light source that can be applicable to display or general closed planar formula lighting apparatus.
Flat field emissive lighting module of the present invention is the illumination module of a high voltage low current, so the present invention need not promote use power, can reach the illuminating effect of high brightness, so not only can save the use energy, and can exempt problems such as heat energy generation.In addition, plane type field emission illumination module of the present invention need not be arranged in pairs or groups other again as assemblies such as light guide plate, reflecting plate, diffuser plates, can launch the illuminating ray of homogenizing, therefore, compared to the module backlight of traditional cold cathode fluorescent lamp, plane type field emission illumination module of the present invention more can reach lightening user demand.
Description of drawings
For further specifying concrete technology contents of the present invention, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:
Fig. 1 is the generalized section of the plane type field emission illumination module of a preferred embodiment of the present invention.
Fig. 2 is the three-dimensional exploded view of the plane type field emission illumination module of a preferred embodiment of the present invention.
Fig. 3 is the schematic diagram of the plane type field emission illumination module of a preferred embodiment of the present invention.
Fig. 4 is the encapsulation schematic diagram of the plane type field emission illumination module of a preferred embodiment of the present invention.
Fig. 5 is the end view of the infrabasal plate of a preferred embodiment of the present invention.
Embodiment
Embodiment one
See also shown in Figure 1ly, Fig. 1 is the generalized section for the plane type field emission illumination module 100 of the present invention's one preferred embodiment.By shown in Figure 1, this routine plane type field emission illumination module 100 mainly comprise one contain transparent panel 11, anode 12, fluorescent bisque 13, with the upper substrate 10 of light shield layer 14; One infrabasal plate 20; And three layers of electronics amplification layer 30a, 30b, 30c that is arranged between upper substrate 10 and the infrabasal plate 20, wherein each electronics amplification layer 30a, 30b, 30c are made up of most electronics amplification plates 31.
The fluorescent bisque 13 of this routine upper substrate 10 is to be mixed by ruddiness phosphor powder, green glow phosphor powder and blue light phosphor powder, transparent panel 11 is for a glass or other transparent material are main material, and anode 12 is to be transparent conductive materials such as a tin indium oxide or indium zinc oxide.
As shown in Figure 1, the infrabasal plate 20 of present embodiment includes: the insulating barrier that bottom panel 21, most strip strip-shaped cathode 22, are made up of most strip insulators 23, the electron emitter 24 of most strip band shapes, with most grids 25, wherein negative electrode 22 is to be a conducting metal material or a metal oxide, insulating barrier 23 is to be an aluminium oxide or magnesium oxide material material, and electron emitter 24 is to be a CNT (carbon nano-tube) material.
This routine negative electrode 22 is to be coated on the bottom panel 21, and each electron emitter 24 is the upper surfaces that are positioned at each negative electrode 22, and each grid 25 by chance is to support with two insulators 23.Wherein, the employed grid 25 of present embodiment amplifies plate 31 with this routine electronics and replaces, to save fabrication steps.The formation that note that plane type field emission illumination module of the present invention is not limited to this routine described content.For example, the upper surface of each negative electrode also can comprise most electron emitters, is not to have only man-to-man corresponding relation.
In all electronics amplification layer 30a of present embodiment, 30b, 30c, each electronics amplifies plate and is all the strip sheet metal that a cross section is a V-arrangement, and its V-arrangement opening up, to assemble the electronics that electron emitter 24 is launched.Please note that electronics of the present invention amplifies plate and is not subject to this routine shape, its cross section also can be U-shaped, semicircle, arc, trapezoidal, irregular shape or its combination.And the clearance distance that all per two adjacent electronics amplify plate 31 edges is all identical.In addition, the surface that each electronics amplifies plate 31 all is coated with a ferronickel or silver-colored magnesium alloy materials, with the effect that provides electronics to amplify.
As shown in Figure 1, the electronics that electron emitter 24 is launched, its mobile route are to advance according to the dotted line direction of arrow among the figure.In addition, be adjacent to most among the electronics amplification layer 30a of infrabasal plate 20, the center that each electronics amplifies plate 31 by chance all projection in the electron emitter 24 of infrabasal plate 20 tops, and in second layer electronics amplification layer 30b, the center that each electronics amplifies plate 31 by chance all projection each electronics of amplifying plate 30a in the ground floor electronics amplify gap centre between plate 31 edges.In like manner, in the 3rd layer of electronics amplification layer 31c, each electronics amplifies the also identical above-mentioned condition of Rankine-Hugoniot relations of plate.Thus, but the electronics homogenizing of present embodiment be distributed in each electronics amplification layer, and then the fluorescent bisque 13 of homogenizing ground bump upper substrate 10 provides the illumination of a homogenizing at last.
Fig. 2 is the three-dimensional exploded view for present embodiment plane type field emission illumination module 100.Wherein, it is parallel to each other being arranged between the two substrates 10,20 that each electronics amplifies plate 31, and the strip negative electrode 22 that infrabasal plate 20 is comprised, strip electron emitter 24, strip insulator 23 and electronics amplified the grid 25 that plate 31 is used as grid all amplify the arrangement mode of plate 31 and are parallel to infrabasal plate 20 upper surfaces with respect to electronics.And this routine described arrangement mode only is the present invention's one preferable embodiment, so the structure of plane type field emission illumination module 100 of the present invention is not subject to this embodiment.
Wherein, this example is the variation that is put on the voltage difference of negative electrode 22 and grid 25 by control, launches electronics to control each electron emitter 24 in the time of appointment.And the electronics that electron emitter 24 is launched can be subjected to the influence of the potential difference of 20 of upper substrate 10 and infrabasal plates, and is quickened to move toward the direction of upper substrates 10 by infrabasal plate 20.When the fluorescent bisque 13 of upper substrate 10 was arrived in electronic impact, meeting and fluorescent material reacted and produce visible light, and then the visible light of Chan Shenging can penetrate this light penetrating panel 11 to the outside, and then is seen by human eye.
In present embodiment, upper substrate 10 can be known any method for preparing Field Emission Display upper substrate and infrabasal plate with the manufacturing method thereof of infrabasal plate 20, for example: processing procedures such as wire mark, sputter, coating, little shadow or etching, to form a plane type field emission illumination module with structure of the present invention.Wherein, it is to adopt the conventional extruded forming mode to make that the electronics of present embodiment amplifies plate, and compared to known processing procedure, its easy production method can reach the purpose that reduces manufacturing cost.
Embodiment two
See also Fig. 3, Fig. 3 is the generalized section for the plane type field emission illumination module 200 of the present invention's one preferred embodiment, its mainly include one contain transparent panel 51, anode 52, fluorescent bisque 53, with the upper substrate 50 of light shield layer 54; One infrabasal plate 60; And three layers of electronics amplification layer 70a, 70b, 70c that is arranged at 50,60 of two substrates.
Wherein, the structure of present embodiment upper substrate 50 and infrabasal plate 60 is roughly similar in appearance to the content shown in the embodiment one, its difference only is that the strip grid 65 of infrabasal plate 60 is to be formed at insulator 63 upper surfaces with screen painting, and be adjacent to most among the electronics amplification layer 70a of infrabasal plate 60, all projection is between two electron emitters 64 of infrabasal plate 60 tops in the center that each electronics amplifies plate 71, and other structure all is same as embodiment one plane type field emission illumination module 100.
Figure 4 shows that the encapsulation schematic diagram of present embodiment plane type field emission illumination module 200.By among the figure as can be known, present embodiment plane type field emission illumination module 200 more comprises most the madial wall 41 and the lateral walls 42 that are positioned at 60 of upper substrate 50 and infrabasal plates, wherein, lateral wall 42 provides an inner confined space in plane type field emission illumination module 200, and madial wall 41 is to be adjacent to lateral wall 41 sides.Madial wall 41 is to mix inconel (Cr in this example
xInvar
1-X) material (the x scope is 0.1 to 0.5), with the steam of confined space in absorbing, oxygen, carbon dioxide, and other residual gas, and lateral wall 42 is the close material of a coefficient of thermal expansion and panel 51,61.
Thus, the sealing structure of this routine madial wall 41 and lateral wall 42 is except in order to the sealing plane formula field emission illumination module 200, and promotes the mechanical support usefulness and the vacuum degree of illumination module 200, to increase its useful life and reliability.
Embodiment three
The structure of present embodiment plane type field emission illumination module is approximately identical to the content shown in the embodiment two, see also the end view of the infrabasal plate 80 of Fig. 5, its difference only is negative electrode 82, insulator 83, the electron emitter 84, different with the shape of gate pole 85 of infrabasal plate 80.Wherein, negative electrode 82, insulator 83, electron emitter 84, with gate pole 85 all be to be zigzag continuous strip shape structure, and be parallel to each other on the bottom panel 81.The negative electrode of this routine infrabasal plate, electron emitter, insulator, should be not limited thereto the content of stating with the arrangement mode and the shape of gate pole, wherein, electron emitter also can be spot distribution or is formed at the upper surface of negative electrode for discontinuous band shape.Certainly, do not deviating under spirit of the present invention and the category, all can various changes and modification arranged, to be applicable to various uses and situation to the present invention.
Structure based on the invention described above embodiment plane type field emission illumination module, the present invention can provide a high brightness and construct frivolous plane type field emission illumination module, except having uniformity illumination and low power consuming characteristic, and the easy processing procedure of component groups dressing is simple, also reaches the purpose that reduces manufacturing cost.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (16)
1, a kind of plane type field emission illumination module is characterized in that, comprising:
One upper substrate is to comprise a fluorescent bisque and an anode;
One comprise insulating barrier that a plurality of ribbon negative electrodes, a plurality of electron emitter, have pattern, with the infrabasal plate of at least one grid; Wherein, described negative electrode is to be positioned at this infrabasal plate upper surface, described electron emitter be positioned at described negative electrode upper surface, this grid is to be positioned at this insulating barrier upper surface;
At least two electronics amplification layers are to be arranged between this upper substrate and this infrabasal plate, and this every layer electronics amplification layer is made up of a plurality of electronics amplification plates;
Wherein, it is to be a strip sheet metal that described electronics amplifies plate, and this strip sheet metal has a concave surface, and this concave surface up;
In this every layer electronics amplification layer, the edge that adjacent described electronics amplifies plate is to have a gap, and described electronics amplification plate is to be arranged in parallel;
In per two adjacent electronics amplification layers, it is not overlapped in the projected position of this infrabasal plate that described electronics amplifies the plate center; And
It is the sheet metal that has an electronics amplified material for a surface that described electronics amplifies plate, and the described electronics cross section that amplifies plate be comprise a shape be selected from by V-arrangement, U-shaped, semicircle, arc, trapezoidal, irregular shape, with and the group that formed of combination.
2, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein this insulating barrier is made up of a plurality of insulator, and described insulator be with each this negative electrode separately.
3, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein, described negative electrode has equal wide.
4, plane type field emission illumination module as claimed in claim 3, it is characterized in that, wherein said ribbon negative electrode with equal wide be comprise a shape be selected from by strip, crooked shape, zigzag, irregular shape, with and the group that formed of combination.
5, plane type field emission illumination module as claimed in claim 4 is characterized in that, wherein each negative electrode is the strip strip-shaped cathode for an equal wide, and each negative electrode is this infrabasal plate upper surface that is arranged in parallel to each other.
6, plane type field emission illumination module as claimed in claim 5 is characterized in that, wherein the pattern shape of this insulating barrier is to be strip.
7, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein in this every layer electronics amplification layer, it is to have equal height that described electronics amplifies plate.
8, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein in one deck electronics amplification layer, the clearance distance that per two adjacent described electronics amplify panel edges is all identical.
9, plane type field emission illumination module as claimed in claim 8 is characterized in that, wherein in all electronics amplification layers, the clearance distance that per two adjacent described electronics amplify panel edges is all identical.
10, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein said grid integrates.
11, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein this grid is to amplify plate with at least one this electronics to integrate.
12, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein said grid is to be respectively the ribbon grid.
13, plane type field emission illumination module as claimed in claim 1, it is characterized in that wherein this electronics amplified material is to be selected from the group that is made up of silver-colored magnesium alloy, copper beryllium alloy, copper barium alloy, golden barium alloy, golden calcium alloy, tungsten barium billon and combination thereof.
14, plane type field emission illumination module as claimed in claim 1 is characterized in that, wherein this electronics amplified material is to be selected from the group that is made up of beryllium oxide, magnesium oxide, calcium oxide, strontium oxide, ba oxide and combination thereof.
15, plane type field emission illumination module as claimed in claim 1, it is characterized in that, wherein also comprise a plurality of lateral wall and madial walls that are positioned between this upper substrate and this infrabasal plate, wherein, described lateral wall provides an inner confined space in this plane type field emission illumination module, and described madial wall is to be adjacent to described lateral wall.
16, plane type field emission illumination module as claimed in claim 15 is characterized in that, wherein said madial wall is to be made by a gettering material that contains dilval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100864752A CN100527349C (en) | 2006-06-23 | 2006-06-23 | Plane type field emission illumination module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100864752A CN100527349C (en) | 2006-06-23 | 2006-06-23 | Plane type field emission illumination module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101094542A CN101094542A (en) | 2007-12-26 |
| CN100527349C true CN100527349C (en) | 2009-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100864752A Expired - Fee Related CN100527349C (en) | 2006-06-23 | 2006-06-23 | Plane type field emission illumination module |
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| Country | Link |
|---|---|
| CN (1) | CN100527349C (en) |
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| CN101094542A (en) | 2007-12-26 |
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