CN101752193B - Dual-purpose light permeating and illuminating device and light permeable illuminating structure - Google Patents
Dual-purpose light permeating and illuminating device and light permeable illuminating structure Download PDFInfo
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- CN101752193B CN101752193B CN 200810183310 CN200810183310A CN101752193B CN 101752193 B CN101752193 B CN 101752193B CN 200810183310 CN200810183310 CN 200810183310 CN 200810183310 A CN200810183310 A CN 200810183310A CN 101752193 B CN101752193 B CN 101752193B
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Abstract
The invention relates to a dual-purpose light permeating and illuminating device and a light permeable illuminating structure. The dual-purpose light permeating and illuminating device comprises a first transparent base plate, a gapped side wall, a second transparent base plate and a light permeable illuminating structure; wherein the gapped side wall is arranged between the first transparent base plate and the second transparent base plate to form an enclosed space. The light permeable illuminating structure comprises a cathode structure, an anode structure, a low-pressure gas layer and a patterned fluorescent layer; wherein the low-pressure gas layer is accommodated in the enclosed space, the cathode structure and the anode structure are respectively and oppositely arranged on the first transparent base plate and the second transparent base plate, and the patterned fluorescent layer is positioned between the cathode structure and the anode structure, so that external natural light can penetrate.
Description
Technical field
The present invention relates to a kind of surface illuminating device, and particularly relate to the ray structure of a kind of dual-purpose type printing opacity and light-emitting device and light-permeable.
Background technology
Light supply apparatus use in daily life is very extensive.Traditional point-source of light develops the surface illuminating device that low power consumption, uniformly light-emitting gradually through research and development and change for a long time, can be widely used on the advertisement plate or illumination for building of flat-panel screens, building outward appearance.
The a large amount of building materials that adopt the glass of light-permeable as green building of building in modern age have the advantage that the life-span is long, maintain easily maintenance.The advantage of glass building material is can except saving electric consumption on lighting, more comfortable natural lighting space can be provided also through sunlight indirect labor illumination daytime.Adopt glass building material except will considering aperture opening ratio (printing opacity), also must consider heat-insulating problem.Particularly, it is to see through windowpane and outdoor to carry out heat exchange that 70% heat is arranged summer approximately, 40% heat is then arranged approximately through being lost to the open air in the glass chamber winter.Obviously the aperture opening ratio of glass building material is big more, and more heat will then be more heat to be arranged by the indoor open air that sheds in the time of in the winter time by in the outdoor inlet chamber when summer, and these two kinds of situations all can make the increase in demand of room conditioning electricity consumption.In the surging age of carbon reduction, greenhouse effect and oil price, the heat-protecting glass that exploitation can be saved air-conditioning and electric consumption on lighting will be considerable subject under discussion, and can bring very big economy and environmental benefit.
Consider the application of situation aspect in addition; Because the natural daylight during daytime is exactly uniform light, people's vision also can be felt relatively nature and comfortable under such environment, yet the light at night is more than the insufficient light on daytime; Sensation as dark as a stack of black cats outside window often brings the occupant has the unstability impression; Therefore as if indoor illuminating effect at night, natural light irradiation is in the sensation of windowpane, with bringing the occupant stable, tranquil mood when showing just like daytime.
Summary of the invention
The present invention provides a kind of dual-purpose type printing opacity and light-emitting device, and the natural daylight that can let daytime penetrates and provide night required illuminating effect.
The present invention provides a kind of ray structure of light-permeable, and the natural daylight that can let daytime penetrates and provide night required illuminating effect.
The present invention proposes a kind of dual-purpose type printing opacity and light-emitting device, and it comprises the ray structure of first transparency carrier, gap sidewall, second transparency carrier and light-permeable.This gap sidewall between this first transparency carrier and this second transparency carrier to constitute confined space.The ray structure of light-permeable comprises cathode construction, anode construction, low-pressure gas layer and patterning fluorescence coating; Wherein this low-pressure gas layer is placed in this confined space; This cathode construction and this anode construction are disposed at respectively on this first transparency carrier and this second transparency carrier in opposite directions; And this patterning fluorescence coating is between this cathode construction and this anode construction, so that extraneous natural daylight still can penetrate therebetween.
The present invention proposes a kind of ray structure of light-permeable again, and it comprises cathode construction, anode construction, patterning fluorescence coating and low-pressure gas layer.This cathode construction and this anode construction dispose in opposite directions.The patterning fluorescence coating is between this cathode construction and this anode construction, and this patterning fluorescence coating can let extraneous natural daylight penetrate therebetween.The low-pressure gas layer is filled between this cathode construction and this anode construction, in order to induce the electronics of this cathode construction emission sufficient amount.
In an embodiment of the present invention, above-mentioned anode construction comprises first patterned metal layer, between this patterning fluorescence coating and this second transparency carrier.The shape of this first patterned metal layer comprises strip or netted, and the shape of this patterning fluorescence coating comprises strip, netted or point-like.
In an embodiment of the present invention, above-mentioned anode construction comprises first transparency conducting layer, between this patterning fluorescence coating and this second transparency carrier.The shape of this first transparency conducting layer comprises strip, netted or planar, and the shape of this patterning fluorescence coating comprises strip, netted or point-like.
In an embodiment of the present invention, above-mentioned cathode construction comprises second patterned metal layer, and its shape comprises strip or netted.
In an embodiment of the present invention, above-mentioned cathode construction comprises second transparency conducting layer, and its shape comprises strip, netted or planar.
In an embodiment of the present invention, also comprise protective clear layer on the first above-mentioned transparency carrier, in order to cover this cathode construction.The material of this protective clear layer comprises magnesia (MgO), silica (SiO
2), terbium oxide (Tb
2O
3), lanthana (La
2O
3), aluminium oxide (Al
2O
3) or cerium oxide (CeO
2).
In an embodiment of the present invention, also comprise the electronic emission layer on the above-mentioned cathode construction.The material of this electronic emission layer comprises CNT, nano-sized carbon wall, nano carbon material, zinc oxide or diamond film.
In an embodiment of the present invention, the air pressure of above-mentioned low-pressure gas layer is 10～10
-3In the scope of torr.
Based on above-mentioned, the present invention's natural daylight luminous through the patterning fluorescence coating and that can let daytime penetrates to save electric consumption on lighting, has printing opacity and luminous effect concurrently, can be applicable on the window or glass building material in house or building.Its printing opacity and heat insulation characteristic can be saved a large amount of air-conditionings and electric consumption on lighting cost by day, to night its emitting characteristics can serve as the usefulness of illumination again, therefore of many uses.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, the special embodiment that lifts of hereinafter, and cooperate institute's accompanying drawing to elaborate as follows.
Description of drawings
Figure 1A～Fig. 1 C is the dual-purpose type printing opacity of three embodiment of the present invention and the generalized section of light-emitting device.
Fig. 2 A～Fig. 2 C is the generalized section of the cathode construction of three embodiment of the present invention.
Fig. 3 A and Fig. 3 B are the generalized section of the anode construction of two embodiment of the present invention.
The embodiment of Fig. 4 A～4C illustrates the schematic top plan view of the shape of three kinds of patterning fluorescence coatings.
Description of reference numerals
20: dual-purpose type printing opacity and light-emitting device
200: the first transparency carriers
202: the second transparency carriers
204: the gap sidewall
210A, 210B, 210C: the ray structure of light-permeable
212,212a: cathode construction
214,214a: anode construction
216: the low-pressure gas layer
218: the patterning fluorescence coating
E1: electronics
E2: secondary electron
P: carbonium
C: confined space
L1, L2: fluorescence
L3: natural daylight
220: protective clear layer
230: the electronic emission layer
Embodiment
The present invention proposes a kind of dual-purpose type printing opacity and light-emitting device; It utilizes the luminous mechanism of plane electronics emission-type light source (Flat electron emission lamp/FEEL); Utilize the gas discharge under the hypobaric that the electronics of sufficient amount is derived from negative electrode, and make these electronics in thin low-pressure gas, quickened flight by electric field.Because electronics is longer at the average electronics free path (mean free path) of low-pressure gas, still has the electronics of sufficient amount can directly strike the fluorescent material on anode, and the kinetic energy of electronics is converted into luminous energy and reaches luminous effect.
In addition; Utilize the luminous mechanism of FEEL can reach characteristic and the advantage that general light source can't be accomplished; For example FEEL has transparent and characteristic double-side, and the optical wavelength of being sent is looked the fluorescent material composition and decided, and can design the light source of different wavelength range in response to the different purposes of lighting environment.But FEEL has performances such as the short linearity light adjusting of emission response time, convenient lighting kenel demand under varying environment in addition.Aspect ergonomics and euphorosia property, its planar light source has the lower advantage of luminous intensity of unit are, can not produce the dazzle that makes eyes uncomfortable.Compare with point-source of light, can not produce dazzling persistence of vision, more meet the primary demand of health and room lighting.At process aspect, FEEL does not have semiconductor or vitochemical pollution produces, and element itself is not mercurous, belongs to the green light source of environmental protection, meets following environmental protection demand.Comprehensive these advantages, the value added elasticity of the application market of FEEL and product is very high.Therefore, luminous mechanism of the present invention is except can providing required illumination at night, and the natural daylight that more can let daytime penetrates and as dual-purpose type printing opacity and light-emitting device.The material of transparency carrier of the present invention can be hard material or deflection material.Light-emitting device can be plane or curved surface again, and it changes according to actual needs.Below lift some embodiment and do explanation, but some embodiment that the present invention is not limited only to lifted.Some embodiment that lifted again also can do suitable combination mutually, need not to be individually independently embodiment.
Figure 1A～Fig. 1 C is the dual-purpose type printing opacity of three embodiment of the present invention and the generalized section of light-emitting device.See also Figure 1A～1C, dual-purpose type printing opacity and light-emitting device 20 comprise ray structure 210A, 210B or the 210C of first transparency carrier 200, second transparency carrier 202, gap sidewall 204 and light-permeable.The material of the first/the second transparency carrier 200,202 for example is clear glass (or ultraviolet ray intercepting glass), and gap sidewall 204 constitutes confined space C between first transparency carrier 200 and second transparency carrier 202.This confined space C is similar to the structure of airtight laminated glass used on the building materials; Has good weather-proof ability (for example heat insulation and insulation); Its inside has only quite thin gas, so the heat conduction of gas and convection current exist hardly, therefore has good heat insulation and heat insulation effect.The effect that desired sound insulation and low dewfall on the building materials are also arranged simultaneously.
In an embodiment, the ray structure 210A of the light-permeable of Figure 1A adopts the luminous mechanism of plane electronics emission-type light source (FEEL), mainly is made up of cathode construction 212, anode construction 214, low- pressure gas layer 216 and 218 of patterning fluorescence coatings.Wherein, cathode construction 212 and anode construction 214 for example reach the effect of printing opacity through transparency conducting layer.In another embodiment, the ray structure 210B of the light-permeable of Figure 1B mainly is made up of cathode construction 212a, anode construction 214, low- pressure gas layer 216 and 218 of patterning fluorescence coatings.Wherein, cathode construction 212a for example reaches the effect of printing opacity through the patterned metal layer of light-permeable.In addition, in another embodiment, the ray structure 210C of the light-permeable of Fig. 1 C mainly is made up of cathode construction 212a, anode construction 214a, low- pressure gas layer 216 and 218 of patterning fluorescence coatings.Wherein, anode construction 214a for example reaches the effect of printing opacity through the patterned metal layer of light-permeable.
In above-mentioned each embodiment, except the material different (label with different is represented) of cathode/anode, remaining content identical (label with identical is represented), modern explanation is as follows. Cathode construction 212 or 212a are arranged on first transparency carrier 200, and anode construction 214 or 214a are arranged on second transparency carrier 202.Gap sidewall 204 constitutes the confined space C of ccontaining low-pressure gas layer 216 between first transparency carrier 200 and second transparency carrier 202, and the air pressure of low-pressure gas layer 216 for example is 10～10
-3In the scope of torr.The gas of low-pressure gas layer 216 can be inert gas, atmosphere, hydrogen (H
2), carbon dioxide (CO
2) or oxygen (O
2).Wherein inert gas comprises nitrogen (N
2), helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) etc.
In the above-described embodiments, the material of transparency conducting layer for example is the material that indium tin oxide (ITO), indium-zinc oxide (IZO), fluorine-doped tin oxide (FTO), aluminium-doped zinc oxide (AZO) or other transparent conductive oxides etc. have light transmission.The material of patterned metal layer for example is copper alloy or aluminium alloy; Its shape can be strip or netted; Its live width and lines spacing can be decided according to actual demand, and be relevant with the conditions such as spacing, material and aperture opening ratio of the air pressure of low-pressure gas layer 216, cathode/anode structure.In addition, patterning fluorescence coating 218 for example is formed on the transparency conducting layer with strip, mode netted or point-like, can be individual layer fluorescent material or multilayer different fluorescent material is stacked forms, with generation single colored light or mixed light (being mixed into white light) by multiple coloured light.In addition, patterning fluorescence coating 218 also can adopt infrared light material or ultraviolet light material except the visible light material.
Because patterning fluorescence coating 218 has the strip of light-permeable, netted or dot pattern; And cathode/anode structure also is the patterned metal layer of transparency conducting layer or light-permeable; Therefore the fluorescence L1 that produces by patterning fluorescence coating 218, L2 or extraneous all penetrable the first/the second transparency carrier 200,202 and the cathode/anode structure of natural daylight, and reach printing opacity and luminous effect.Therefore, dual-purpose type printing opacity of the present invention and light-emitting device except the natural daylight that can let daytime penetrates to save the electric consumption on lighting, more can provide night required illumination, to be used as the usefulness of room lighting or outdoor lighting aspect energy-conservation and illumination.
In Figure 1A～Fig. 1 C, cathode construction 212 or 212a and anode construction 214 or 214a dispose and are respectively the conductive structure of light-permeable in opposite directions.Generally speaking, patterning fluorescence coating 218 can preferably be arranged on anode construction 214 or the 214a between cathode/anode structure.Low-pressure gas layer 216 is filled between the cathode/anode structure, and the effect of inducing the even emitting electrons E1 of negative electrode is arranged.Again, low-pressure gas layer 216 has the electronics mean free path, allows the electronics E1 of sufficient amount under operating voltage, to be accelerated towards anode construction 214 or 214a and moves, and directly clash into patterning fluorescence coating 218 and luminous.In addition, in low-pressure gas layer 216, there is free carbonium P to clash into, and produces some secondary electron E2 (secondary electrons), to increase the quantity of electronics towards cathode construction 206.
Please refer to two embodiment of Fig. 2 A and Fig. 2 B, can set up the protective clear layer 220 that one deck is prone to produce secondary electron on first transparency carrier 200.The material of this protective clear layer 220 for example is magnesia (MgO), silicon dioxide (SiO
2), terbium sesquioxide (Tb
2O
3), lanthanum sesquioxide (La
2O
3), alundum (Al (Al
2O
3) or ceria (CeO
2), in order to covered cathode structure 212 or 212a, with the quantity that increases secondary electron and have protective effect concurrently.Then; Please refer to another embodiment of Fig. 2 C; Also can set up electronic emission layer 230 on cathode construction 212 or the 212a; For example be easy discharge materials such as CNT (carbonnanotube), nano-sized carbon wall (carbon nanowall), nanoaperture carbon material (carbon nanoporous), pillar shaped ZnO (ZnO), zinc oxide or diamond film, can assist cathodic discharge and reduce its operating voltage.
At the foregoing description, easy discharge material is arranged on cathode construction 212 or the 212a, but it is not unique set-up mode.In not illustrating embodiment, easy discharge material also can be arranged on anode construction 214 or the 214a, and it also helps discharge effect.In addition; Also can set up the protective clear layer that is prone to produce secondary electron on anode construction 214 or the 214a; Its overlay pattern fluorescence coating 218 can prevent that patterning fluorescence coating 218 from being caused burning out fluorophor by ion bombardment, therefore can increase the life-span of patterning fluorescence coating 218.In other words, a plurality of embodiment that the present invention lifted can suitably combine to change, and need not to be limited in other embodiment.
The two embodiment differences of Fig. 2 A and Fig. 2 B are; The planar transparency conducting layer of cathode construction 212 for natural daylight L3 is penetrated fully; Aperture opening ratio is 100%, and cathode construction 212a is for only there being the transparent patterned metal layer of part natural daylight L3, and its shape for example is a strip or netted; So aperture opening ratio less than 100%, is looked closely its live width and lines spacing and is decided.
Then, please refer to two embodiment of Fig. 3 A and Fig. 3 B, can penetrate therebetween in order to make natural daylight L3, patterning fluorescence coating 218 local parts that cover second transparency carrier 202, but not cover second transparency carrier 202 comprehensively.In Fig. 3 A; Anode construction 214 for example is planar transparency conducting layer between the patterning fluorescence coating 218 and second transparency carrier 202, can let natural daylight penetrate; But part natural daylight L3 can be patterned fluorescence coating 218 and cover and can't penetrate, so aperture opening ratio is still less than 100%.In addition; In Fig. 3 B, anode construction 214a for example is strip or netted patterned metal layer between the patterning fluorescence coating 218 and second transparency carrier 202; But have part natural daylight L3 to be covered by anode construction 214a and patterning fluorescence coating 218, so aperture opening ratio also is less than 100%.
Then, please refer to the embodiment of Fig. 4 A～4C, it illustrates the schematic top plan view of the shape of three kinds of patterning fluorescence coatings, but non-in order to limit enforcement kenel of the present invention.The shape of patterning fluorescence coating 218 can be any geometric combinations such as strip (parallel or nonparallel lines), netted (parallel/intersect vertically lines), point-like (point of array or random distribution) or triangle, circle, square, rectangle.Though the shape as for cathode/anode structure does not illustrate its shape, those of ordinary skills should cooperate the true form of patterning fluorescence coating to design different cathode/anode structure, repeat no more at this.
In sum, the present invention is luminous through the patterning fluorescence coating, can reach the effect of power saving, and can have printing opacity and luminous effect concurrently.Cathode/anode structure only is required to be planar structure, and is simple in structure, do not need special processing.The low-pressure gas layer does not need the high vacuum encapsulation, can simplify production technology, helps large tracts of land production.In addition, the present invention situation, illumination and energy-conservation aspect have greatly improved, except better situation illumination can be provided, also have energy-saving effect concurrently.Glass outer wall with commercial building is an example; Its printing opacity and heat insulation characteristic can be saved a large amount of air-conditionings and electric consumption on lighting cost by day; To the characteristic of its double-side at night can be used as the caption-pattern advertisement usage or the illumination for building of building outward appearance, the business model that daytime is energy-conservation, have economic well-being of workers and staff evening of can saying so again.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Those of ordinary skill in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is when looking being as the criterion that accompanying Claim defines.
Claims (22)
1. dual-purpose type printing opacity and light-emitting device, the natural daylight that is used to let daytime penetrates and provides night required illuminating effect, comprising:
First transparency carrier;
The gap sidewall;
Second transparency carrier, wherein this gap sidewall constitutes confined space between this first transparency carrier and this second transparency carrier; And
The ray structure of light-permeable comprises patterning cathode construction, anode construction, low-pressure gas layer and patterning fluorescence coating,
Wherein this low-pressure gas layer is placed in this confined space; This patterning cathode construction and this anode construction are disposed at respectively on this first transparency carrier and this second transparency carrier in opposite directions; And this patterning fluorescence coating is between this patterning cathode construction and this anode construction, so that extraneous natural daylight still can penetrate therebetween.
2. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device, wherein this anode construction comprises first patterned metal layer, between this patterning fluorescence coating and this second transparency carrier.
3. dual-purpose type printing opacity as claimed in claim 2 and light-emitting device, wherein the shape of this first patterned metal layer comprises strip or netted, and the shape of this patterning fluorescence coating comprises strip, netted or point-like.
4. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device, wherein this anode construction comprises first transparency conducting layer, between this patterning fluorescence coating and this second transparency carrier.
5. dual-purpose type printing opacity as claimed in claim 4 and light-emitting device, wherein the shape of this first transparency conducting layer comprises strip, netted or planar, and the shape of this patterning fluorescence coating comprises strip, netted or point-like.
6. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device, wherein this patterning cathode construction comprises second patterned metal layer, its shape comprises strip or netted.
7. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device, wherein this patterning cathode construction comprises second transparency conducting layer, its shape comprises strip, netted or planar.
8. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device wherein also comprise protective clear layer on this first transparency carrier, in order to cover this patterning cathode construction.
9. dual-purpose type printing opacity as claimed in claim 8 and light-emitting device, wherein the material of this protective clear layer comprises magnesia, silica, terbium oxide, lanthana, aluminium oxide or cerium oxide.
10. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device wherein also comprise the electronic emission layer on this patterning cathode construction.
11. dual-purpose type printing opacity as claimed in claim 10 and light-emitting device, wherein the material of this electronic emission layer comprises CNT, nano-sized carbon wall, zinc oxide or diamond film.
12. dual-purpose type printing opacity as claimed in claim 1 and light-emitting device, wherein the air pressure of this low-pressure gas layer is in the scope of 10～10-3torr.
13. the ray structure of a light-permeable, the natural daylight that is used to let daytime penetrates and provides night required illuminating effect, comprising:
The patterning cathode construction;
Anode construction, wherein this patterning cathode construction and this anode construction are parallel to each other and are separated by spacing;
The patterning fluorescence coating, between this patterning cathode construction and this anode construction, and this patterning fluorescence coating can let extraneous natural daylight penetrate therebetween; And
The low-pressure gas layer is filled between this patterning cathode construction and this anode construction, in order to induce the electronics of this patterning cathode construction emission sufficient amount.
14. the ray structure of light-permeable as claimed in claim 13, wherein anode construction comprises first patterned metal layer, and its shape comprises strip or netted.
15. the ray structure of light-permeable as claimed in claim 13, wherein this anode construction comprises first transparency conducting layer, and its shape comprises strip, netted or planar.
16. the ray structure of light-permeable as claimed in claim 13, wherein the shape of this patterning fluorescence coating comprises strip, netted or point-like.
17. the ray structure of light-permeable as claimed in claim 13, wherein this patterning cathode construction comprises second patterned metal layer, and its shape comprises strip or netted.
18. the ray structure of light-permeable as claimed in claim 13, wherein this patterning cathode construction comprises second transparency conducting layer, and its shape comprises strip, netted or planar.
19. the ray structure of light-permeable as claimed in claim 13 also comprises protective clear layer, in order to cover this patterning cathode construction.
20. the ray structure of light-permeable as claimed in claim 19, wherein the material of this protective clear layer comprises magnesia, silica, terbium oxide, lanthana, aluminium oxide or cerium oxide.
21. the ray structure of light-permeable as claimed in claim 13 wherein also comprises the electronic emission layer on this patterning cathode construction.
22. the ray structure of light-permeable as claimed in claim 21, wherein the material of this electronic emission layer comprises CNT, nano-sized carbon wall, zinc oxide or diamond film.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246804A (en) * | 2007-02-13 | 2008-08-20 | 财团法人工业技术研究院 | Electron emission light-emitting device and light emitting method thereof |
| CN101303962A (en) * | 2007-03-02 | 2008-11-12 | 财团法人工业技术研究院 | Light source appasratus and backlight module |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246804A (en) * | 2007-02-13 | 2008-08-20 | 财团法人工业技术研究院 | Electron emission light-emitting device and light emitting method thereof |
| CN101303962A (en) * | 2007-03-02 | 2008-11-12 | 财团法人工业技术研究院 | Light source appasratus and backlight module |
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