CN101057341B - Infrared-transmitting cover - Google Patents
Infrared-transmitting cover Download PDFInfo
- Publication number
- CN101057341B CN101057341B CN200580038563.9A CN200580038563A CN101057341B CN 101057341 B CN101057341 B CN 101057341B CN 200580038563 A CN200580038563 A CN 200580038563A CN 101057341 B CN101057341 B CN 101057341B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- infrared
- lid
- multilayer film
- dielectric multilayer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Filters (AREA)
- Light Receiving Elements (AREA)
- Optical Communication System (AREA)
- Led Device Packages (AREA)
Abstract
Disclosed is an infrared-transmitting cover (21) comprising an infrared-transmitting base layer (23) and an infrared-transmitting dielectric multilayer film (24) which is arranged on the base layer (23). The infrared-transmitting cover (21) has optical characteristics since the dielectric multilayer film (24) selectively reflects visible light in a specific wavelength range, and the cover appears in the color corresponding to the specific wavelength range. A cover according to one embodiment of the present invention appears in a color other than black, namely such as blue, yellow or green, thereby enabling to improve decoration ability of infrared signal ports of electronic devices such as portable information terminals.
Description
Technical field
The present invention relates to a kind of infrared-transmitting cover, for example relate to infrared-transmitting cover on a kind of infrared signal interface that is installed in the input and output infrared signal, good decorative property.
Background technology
Short-distance wireless data communication between electronic equipment (for example IrDA specification), and in the remote operations such as the power supply of TV (TV) and video tape recorder (VTR) household electrical appliance such as (videotape recorder) is opened/turn-offed, volume change, generally all use infrared signal.
Infrared signal is received by the infrared ray photo detector that is arranged on receiver or the transceiver.In general, the infrared ray photo detector can not only detect infrared signal, and can also detect luminous ray.In order to prevent that interference (disturbance) light as the visible light from inciding in the photo detector, on the infrared signal interface of in the past receiver or transceiver, black or dark near infrared ray transmittance resin luffer boards are installed all.By black or dark resin luffer boards, can prevent the misoperation of the photo detector that causes by the so outdoor sunlight of visible light.Black or dark resin luffer boards also are installed on the infrared signal interface of reflector sometimes.Black or dark resin luffer boards have hidden function, feasible inside that cannot see reflector, receiver and transceiver from the outside.
Employing is covered visible light and is allowed the two sides bonding adhesive plaster of infrared transmitting, and the technology that transparent resin plate is installed in the infrared signal interface is disclosed (with reference to patent documentation 1).
Black in the past or dark resin luffer boards, unbecoming with the outward appearance of electronic equipment and electric equipment sometimes.Design black or dark resin luffer boards inconspicuous, once be a kind of restriction in the design.
The bonding adhesive plaster in two sides of record in the patent documentation 1 has the appearance color of the dark color that absorbs visible light.Therefore, have with the identical shortcoming of black resin luffer boards.
Make resin luffer boards, can be by on transparent resin plate, adding colouring agent on the principle, or apply transparent resin plate with pigmented finiss with any appearance color.But, be used for the resin luffer boards of infrared signal interface, must have ultrared transmissive.Making a kind of can keeping to ultrared transmissive with to the covering property of visible light, can possess the resin luffer boards of any appearance color again, is very difficult thing.
Summary of the invention
Purpose of the present invention just provides a kind of infrared-transmitting cover that is used for electronic equipment with any appearance color.
In order to achieve the above object, infrared-transmitting cover of the present invention possesses the bottom of infrared transmitting and is layered in a surface of above-mentioned bottom, has infrared ray transmissive and dielectric multilayer film that can reflect visible light.
The present invention also provides a kind of electronic equipment, and this equipment comprises the framework that has opening, be loaded on the infrared-ray detecting element in the above-mentioned framework and be loaded in the above-mentioned framework, for the above-mentioned infrared-transmitting cover that stops up above-mentioned opening.
Above-mentioned infrared-transmitting cover is made by film formation at low temp technology.Specifically, use methods such as ion assisted deposition, plasma vapour deposition or reactive sputtering exactly, on a surface of infrared transmitting bottom, form dielectric multilayer film with infrared transmitting and energy reflect visible light.
The lid of one execution mode also possesses and is layered between above-mentioned dielectric multilayer film and the above-mentioned bottom, and through the bottom layer treatment layer that hard conating is handled, above-mentioned dielectric multilayer film works as the lateral surface of above-mentioned lid.
In one embodiment, above-mentioned bottom has the first surface of stacked above-mentioned dielectric multilayer film and catches up with and state the first surface opposed second surface; Above-mentioned lid also comprises the antireflection film on the above-mentioned second surface that is layered in above-mentioned bottom; Above-mentioned dielectric multilayer film and above-mentioned antireflection film, medial surface and the lateral surface as above-mentioned lid works respectively.
In one embodiment, above-mentioned bottom has two surfaces, and above-mentioned dielectric multilayer film-stack is on above-mentioned two surfaces of above-mentioned bottom.
In one embodiment, above-mentioned bottom comprises a roughened surface areas that form, that can make light scatter of at least a portion on above-mentioned surface.
In one embodiment, the interface of above-mentioned bottom and above-mentioned dielectric multilayer film is a curved surface.
In one embodiment, the interface of above-mentioned bottom and above-mentioned dielectric multilayer film is a convex surface.
In one embodiment, above-mentioned lid is installed on the infrared signal interface of electronic equipment, and above-mentioned lid has the lateral surface and the medial surface that is configured in above-mentioned electronic equipment inboard that exposes in the above-mentioned electronic equipment outside; Above-mentioned bottom is water white, has near the first surface of the medial surface of above-mentioned lid with near the second surface of the lateral surface of above-mentioned lid; Above-mentioned dielectric multilayer film is layered in the above-mentioned first surface of above-mentioned bottom; Above-mentioned lid also comprises and being layered on the above-mentioned dielectric multilayer film, has the infrared ray transmissive and can stop the black layer of visible transmission and be layered in diffusion layer on the above-mentioned second surface of above-mentioned bottom.
In one embodiment, above-mentioned bottom is water white, has near the first surface of the medial surface of above-mentioned lid with near the second surface of the lateral surface of above-mentioned lid; Above-mentioned dielectric multilayer film-stack is on the above-mentioned first surface of above-mentioned bottom; Above-mentioned lid also comprises the information printed layers that is layered on the above-mentioned dielectric multilayer film, be layered on the above-mentioned information printed layers, have the infrared ray transmissive and can stop the black layer of visible transmission and be layered in the diffusion layer of the above-mentioned second surface of above-mentioned bottom.
In one embodiment, above-mentioned information printed layers is single layer.
In one embodiment, above-mentioned bottom is water white, has near the first surface of the medial surface of above-mentioned lid with near the second surface of the lateral surface of above-mentioned lid; Above-mentioned lid also comprises the above-mentioned first surface that is layered in above-mentioned bottom and the information printed layers between the above-mentioned dielectric multilayer film, be layered on the above-mentioned dielectric multilayer film, have the infrared ray transmissive and can stop the black layer of visible transmission and be layered in diffusion layer on the above-mentioned second surface of above-mentioned bottom.
In one embodiment, above-mentioned information printed layers comprises many layers.
In one embodiment, above-mentioned bottom is the dark bottom with infrared transmitting, has near the first surface of the medial surface of above-mentioned lid with near the second surface of the lateral surface of above-mentioned lid; Above-mentioned dielectric multilayer film is in the above-mentioned second surface formation of above-mentioned dark bottom; Above-mentioned lid also comprises the protective layer that is layered on the above-mentioned dielectric multilayer film.
In one embodiment, above-mentioned bottom is water white, has near the first surface of the medial surface of above-mentioned lid with near the second surface of the lateral surface of above-mentioned lid; Above-mentioned dielectric multilayer film is to form on the above-mentioned second surface of above-mentioned bottom; Above-mentioned lid also comprise the above-mentioned first surface that is layered in above-mentioned bottom, have the infrared ray transmissive and can stop the black layer of visible transmission and be layered in protective layer on the above-mentioned dielectric multilayer film.
In one embodiment, above-mentioned dielectric multilayer film optionally reflects the visible light of specific band.
In one embodiment, above-mentioned dielectric multilayer film, main transmission has the visible light of wavelength outside the above-mentioned specific band.
The lid of one execution mode has the appearance color except that black.
Description of drawings
Fig. 1 is the cutaway view of infrared-transmitting cover of the present invention.
Fig. 2 is the key diagram of the Fresnel reflection (Fresnel reflection) of explanation in the transparent underlayer of lid shown in Figure 1.
Fig. 3 is the cutaway view that the portable data assistance of lid shown in Figure 1 has been installed.
Fig. 4 (a) is the reverberation spectrum of lid lateral surface shown in Figure 3, (b) be the reverberation spectrum of lid medial surface shown in Figure 3, (c) be the reverberation spectrum of portable data assistance inner components shown in Figure 3, (d) being (b) and (c) synthetic spectrum, (e) is the spectrum after the lid transmission shown in Figure 3.
Fig. 5 is the cutaway view of the infrared-transmitting cover of relevant first execution mode of the present invention.
Fig. 6 is the reflectance spectrum and the transmitted spectrum of the lid among the embodiment 1.
Fig. 7 is the xy chromatic diagram.
Fig. 8 is the reflectance spectrum and the transmitted spectrum of the lid among the embodiment 2.
Fig. 9 relates to the cutaway view of the infrared-transmitting cover of second embodiment of the invention.
Figure 10 relates to the cutaway view of the infrared-transmitting cover of third embodiment of the invention.
Figure 11 relates to the cutaway view of the infrared-transmitting cover of four embodiment of the invention.
Figure 12 relates to the cutaway view of the infrared-transmitting cover of fifth embodiment of the invention.
Figure 13 relates to the cutaway view of the infrared-transmitting cover of sixth embodiment of the invention.
Figure 14 is a reflectance spectrum of following the lid among the embodiment 3 that incident angle changes.
Figure 15 relates to the cutaway view of the infrared-transmitting cover of seventh embodiment of the invention.
Figure 16 is the reflectance spectrum and the transmitted spectrum of the dielectric multilayer film of lid shown in Figure 15.
Figure 17 is the transmitted spectrum of the black layer of lid shown in Figure 15.
Figure 18 relates to the vertical view and the cutaway view of the infrared-transmitting cover of eighth embodiment of the invention.
Figure 19 (a) is the catoptrical figure that is used for illustrating the lid of comparative example.(b) be the front view of the lid in the comparative example.
Figure 20 is the front view of lid shown in Figure 180.
Figure 21 relates to the vertical view and the cutaway view of the infrared-transmitting cover of the 9th execution mode of the present invention.
Figure 22 relates to the cutaway view of the infrared-transmitting cover of the tenth execution mode of the present invention.
Figure 23 relates to the cutaway view of the infrared-transmitting cover of the 11 execution mode of the present invention.
Figure 24 is the end view that possesses the electronic equipment of infrared-transmitting cover of the present invention.
Figure 25 is the end view of the infrared-transmitting cover of modification.
Embodiment
Below explanation is based on the infrared-transmitting cover of embodiment of the present invention.In the explanation of each execution mode, all attached to similar parts with same Reference numeral, and schematic illustration in addition.
The essential structure of infrared-transmitting cover 1 of the present invention at first, is described with reference to Fig. 1.Lid 1 is installed in the reflector or the receiver of one-way transmission infrared signal, and on the transceiver of two-way transmission infrared signal.
In this manual, " lateral surface " of each layer reaches " medial surface (back side) ", means when above-mentioned lid is installed on the electronic equipment with infrared signal interface, respectively near the outside of above-mentioned electronic equipment and the surface of an inner side.Specifically, the upside of Fig. 1 is the lateral surface of lid 1 and each layer, and downside is the medial surface of lid 1 and each layer.
As shown in Figure 2, refractive index is that 1.5 bottom 2 is configured in the air, under can ignoring by 2 light absorbing situations of bottom, as Fresnel reflection, on the interface SB of the interface SA of bottom 2 lateral surface 2b and air and medial surface 2a and air, there is 4% incident light to be reflected respectively approximately.Therefore, 92% incident light is arranged approximately from bottom 2 transmissions.
Fig. 3 represents to be equipped with the portable data assistance 4 of lid 1 shown in Figure 1.Lid 1 is installed on opening (infrared signal interface) 5a that forms on the framework 5 of portable data assistance 4.The upside of Fig. 3 is the lateral surface of lid 1 and each layer, and downside is the medial surface of lid 1 and each layer.The part of incident light IL is at the lateral surface of lid 1 be reflected (reverberation ra).The part of incident light IL is at the medial surface of lid 1 be reflected (reverberation rb).The part of incident light IL sees through lid 1, is reflected on the parts such as photo detector 6 in being arranged at framework 5 (reverberation rc).Incident light IL is surround lightings such as room lighting and sunlight.
Reverberation ra is the reverberation of specific band visible light among the incident light IL.The branch reflective character of the curve 7 expression reverberation ra of Fig. 4 (a).The transverse axis and the longitudinal axis of Fig. 4 (a)～(e) are represented wavelength and reflectivity respectively.
Reverberation rb sees through among the incident light IL of dielectric multilayer film 3, after being reflected on the interface of the medial surface 2a of bottom 2 and air, from the light of the lateral surface 3a outgoing of lid 1.The branch reflective character of the curve 8 expression reverberation rb of Fig. 4 (b).
Reverberation rc sees through among the incident light IL of dielectric multilayer film 3 and bottom 2, at parts 6 light of back from the lateral surface 3a outgoing of lid 1 that is reflected.The branch reflective character of the curve 9 expression reverberation rc of Fig. 4 (c).For the purpose of simplifying the description, suppose that the branch reflective character on parts 6 surfaces is smooth, and ignore.
For example, by the medial surface 2a at bottom 2, coating has the dark coating of infrared transmitting and visible absorption concurrently, and the medial surface 2a of bottom 2 is covered with paint, lacquer, colour wash, etc. on the lid 1 of black, arrives the light of medial surface 2a, is absorbed by this coating.In the case, almost nil from the intensity of the reverberation rb of medial surface 2a and reverberation rc, the appearance color of lid 1 depends on the color of lateral surface 3a reverberation ra basically.For example, lid 1 has the big appearance color of contrast shown in the curve 7 of Fig. 4 (a), if reverberation ra is green, lid 1 looks to be exactly the big green of appearance color contrast so.
On the other hand, be coated with under the situation that jewelry comes off at the black of the medial surface 2a of lid, the reverberation (bold curve 10 of Fig. 4 (d)) with reverberation rb, reverberation rc and reverberation ra synthetic spectrum just can be transmitted.This reverberation looks near white.Thereby lid 1 looks as if little, the inconspicuous color of appearance color contrast.
The curve 11 of Fig. 4 (e) is illustrated among the incident light IL, sees through after dielectric multilayer film 3 and the bottom 2, from the spectral distribution of the transmitted light of medial surface 2a outgoing.
As shown in Figure 3, the infrared signal E1 from other electronic equipment outputs sees through lid 1.
As shown in Figure 3, the infrared signal E2 that is generated by the light-emitting components such as infrared light-emitting diode that are installed within the framework 5 sees through lid 1.Infrared signal E2, incide the medial surface 2a of lid 1 after, from the lateral surface 3a outgoing of lid 1.
On the interface of the medial surface 2a of bottom 2 and air, incident light IL reflection is called " back reflection is arranged ".On its interface, incident light IL do not reflected and reverberation rb little of ignoring the situation of disregarding degree, be called " not having back reflection ".
(first execution mode)
Below, with reference to Fig. 5, the infrared-transmitting cover 21 that relates to first embodiment of the invention is described.
As the portable data assistance 22 of electronic equipment, it possesses use infrared signal (for example, near the infrared ray of wavelength 850nm), between other electronic equipments, carries out the transceiver of message transmission and information exchange with no cable mode.Infrared communication for example generally carries out according to infrared data access (IrDA:Infra-red Data Access) standard.Lid 21 is blocked in opening (infrared signal interface) 22a that forms on the framework of portable data assistance 22.The downside of Fig. 5 is the lateral surface of lid 21 and each layer, and upside is the medial surface of lid 21 and each layer.
(1) layer that forms with colourless transparent material with level and smooth lateral surface and medial surface;
(2) layer that forms with colourless transparent material is the semitransparent layer with hair side (through lateral surface or medial surface of delustring processing);
(3) be dispersed with the milky white chromatograph of scatterer (scattering particles);
(4) has the dark layer of infrared transmitting;
(5) layer that forms with colourless transparent material is that the side is passed through coating or printed the opaque layer that the dark coating of infrared transmitting forms within it;
In the first embodiment, use above-mentioned (1) layer as bottom 23.
The transceiver of portable data assistance 22 comprises the such light-emitting component 25 of infrared light-emitting diode that generates the output infrared signal, accepts ultrared photo detector 26 and the infrared-transmitting cover 21 that is installed in the infrared signal interface.Light-emitting component 25 and photo detector 26 all are configured in the 23a place, the back side near the bottom 23 of lid 21.For being prepended to certain light-gathering optics that is subjected under light and the light-emitting component situation, and carrying out light projector and be subjected to the explanation of composite component of light and diagram etc. has all been omitted by an element.
From the infrared signal 30 of light-emitting component 25 outgoing, see through lid 21, radiate to the outside.Infrared signal 30 is equivalent to the infrared signal E2 among Fig. 3.From the infrared signal 31 of outside incident, see through lid 21, accepted by photo detector 26.Infrared signal 31 is equivalent to the infrared signal E1 among Fig. 3.Incide the part of the luminous ray 32 of lid 21, on dielectric multilayer film 24, be reflected, as reverberation 33 to outside outgoing.Luminous ray 32 and reverberation 33 are equivalent to as shown in Figure 3 incident light IL and reverberation ra respectively.
The remainder of luminous ray 32 sees through dielectric multilayer film 24 and bottom 23, and wherein a part is reflected at the back side of bottom 23 23a, as reverberation rb as shown in Figure 3, shines the outside of lid 21.
According to first execution mode, can obtain following action effect.
Because dielectric multilayer film 24 can reflect the light that is adjusted to desired color,, has desirable decorative effect so be installed in the lid 21 on the electronic equipment framework.
For example, bottom 23 has the structure of " back reflection is arranged ", have at dielectric multilayer film 24 under the situation of the branch reflective character of reflect blue light the most consumingly, lid 21 has the appearance color that is mixed by the weak reverberation of the blue reverberation of strong reflection and the composition beyond the blueness that the back side of bottom 23 23a is reflected (red and green) at dielectric multilayer film 24.
By the branch reflective character of suitable change dielectric multilayer film 24 in the visible region, can keep ultrared transmittance, can obtain the appearance color of random color again.Thereby lid 21 has outstanding appearance design, can improve the electronic equipment degree of freedom in design.
Because the dielectric multilayer film 24 that designs for the Fresnel reflection that reduces by 23 pairs of near infrared lights of bottom is layered on the bottom 23,, more can improve near infrared transmissivity so compare with the situation of independent bottom 23.In view of the above, dielectric multilayer film 24 with respect to infrared signal 30,31, has concurrently with the same anti-reflection effect of antireflection film.Rely on dielectric multilayer film 24 self, be arranged in the reflection of the infrared signal 30,31 of substrate 23 lateral surfaces (the interface SA of Fig. 2), can reduce about 4%.Therefore, the loss of the infrared signal 30,31 that causes because of the reflection that is positioned at substrate 23 lateral surfaces is minimized.
(embodiment 1)
Referring now to Fig. 6, Fig. 7, table 1 and table 2, the lid of embodiment 1 is described.
The lid of embodiment 1 has identical layer structure with lid 21 shown in Figure 5, possesses the bottom 23 of acrylic resin system and the dielectric multilayer film 24 with infrared transmitting and reflect blue light.Dielectric multilayer film 24 at the lateral surface of acrylic resin system bottom 23, is made of eight layer film layers of the membrane substance (SiO2) of alternately laminated membrane substance of high-index material (ZrO2) and low-index material.Dielectric multilayer film 24, reflection has the light of central wavelength lambda c.Central wavelength lambda c and catoptrical color, promptly the color with lid is relevant.Constitute eight layers of the dielectric multilayer film 24 of embodiment 1, being designed to reflection kernel wavelength X c to be the light of 495nm, can reflect blue light.
Table 1
Embodiment 1: blue reflection, central wavelength lambda c:495nm, dielectric multilayer film number: 8
| Air side | Material | Physics thickness (nm) | Blooming |
| Thin layer | |||
| 1 | SiO2 | 78.61 | 1 |
| 2 | ZrO2 | 57.37 | 1 |
| 3 | SiO2 | 78.61 | 1 |
| 4 | ZrO2 | 57.37 | 1 |
| 5 | SiO2 | 79.4 | 1 |
| 6 | ZrO2 | 54.38 | 1 |
| 7 | SiO2 | 159.15 | 1 |
| 8 | ZrO2 | 20 | 1 |
| |
Fig. 6 represents the branch reflective character of the dielectric multilayer film 24 among the embodiment 1 and divides optical transmission characteristics.In Fig. 6, curve 40 is illustrated in the branch reflective character (reflectivity R) under " not having back reflection " situation.Curve 41 is illustrated in the branch optical transmission characteristics (transmissivity T) under " not having back reflection " situation.In Fig. 6, curve 42 is illustrated in the branch reflective character (reflectivity R) under " back reflection is arranged " situation.Curve 43 is illustrated in the branch optical transmission characteristics (reflectivity T) under " back reflection is arranged " situation.
Below, the catoptrical color of the dielectric multilayer film 24 among the embodiment 1 is described.(x y) and xy chromatic diagram shown in Figure 7, can learn the catoptrical color of dielectric multilayer film 24 from the chromaticity coordinate value of table 2.Fig. 7 is the chromatic diagram of xyY color specification system.Y in the table 2 represents catoptrical brightness.
Table 2
The colourity of embodiment 1
| Chromaticity coordinate value | ||
| x | y | Y |
| 0.23 | 0.34 | 49.16 |
(x=0.23, y=0.34) specific colourity is exactly the colourity that A is ordered among Fig. 7 (blueness) by the chromaticity coordinate value of table 2.
According to embodiment 1, can obtain following action effect.
(embodiment 2)
The lid of embodiment 2 has lid 21 identical construction with Fig. 5, comprises the bottom 23 of acrylic resin system and the dielectric multilayer film 24 of reflection sodium yellow.Dielectric multilayer film 24 is to be made of the alternately laminated seven layer film layers that form of the membrane substance (SiO2) of membrane substance of high-index material (ZrO2) and low-index material.The central wavelength lambda c of dielectric multilayer film 24 is yellow catoptrical wavelength (600nm).
The branch reflective character of the dielectric multilayer film 24 among the embodiment 2 and branch reflective character are as shown in Figure 8.In Fig. 8, the branch reflective character (reflectivity R) under curve 50 expression " not having back reflection " situations.Curve 51 is illustrated in the branch optical transmission characteristics (transmissivity T) under " not having back reflection " situation.Branch reflective character (reflectivity R) under curve 52 expression " back reflection is arranged " situations.Curve 53 is illustrated in the branch optical transmission characteristics (transmissivity T) under " back reflection is arranged " situation.
Table 3
Embodiment 2: yellow reflection, central wavelength lambda c:600nm, dielectric multilayer film number: 7
| Air side | Material | Physics thickness (nm) | Blooming |
| Thin layer | |||
| 1 | SiO2 | 45.21 | 0.44 |
| 2 | ZrO2 | 74.94 | 1 |
| 3 | SiO2 | 101.91 | 1 |
| 4 | ZrO2 | 74.94 | 1 |
| 5 | SiO2 | 102.96 | 1 |
| 6 | ZrO2 | 84.39 | 1.184 |
| 7 | SiO2 | 192.06 | 1.864 |
| |
Table 4
The colourity of embodiment 2
| Chromaticity coordinate value | ||
| x | y | Y |
| 0.47 | 0.46 | 48.62 |
(x=0.47, y=0.46) specific colourity is exactly the colourity that B is ordered among Fig. 7 (yellow) by chromaticity coordinate value shown in the table 4.
According to embodiment 2, can obtain following action effect.
(second execution mode)
Below, with reference to Fig. 9, the infrared-transmitting cover 21A that relates to second execution mode of the present invention is described.The downside of Fig. 9 is the lateral surface of lid 21A and each layer, and upside is the medial surface of lid 21A and each layer.
In general, polymethyl methacrylate acrylic resins such as (PMMA) all is difficult to and the dielectric film driving fit.Therefore, on bottom 23, plate the bottom layer treatment layer 27 that one deck is handled through hard conating, on this bottom layer treatment layer 27, form dielectric multilayer film 24 then.Dielectric multilayer film 24 is prevented that from peeling off of bottom 23 case hardness of bottom 23 is improved, and the durability of lid 21A also is improved.
(the 3rd execution mode)
Below, with reference to Figure 10, the infrared-transmitting cover 21B that relates to third embodiment of the invention is described.The downside of Figure 10 is the lateral surface of lid 21B and each layer, and upside is the medial surface of lid 21B and each layer.
The lid 21B of second execution mode has dielectric multilayer film 24 that is layered in bottom 23 medial surfaces and the antireflection film 28 that is layered in bottom 23 lateral surfaces.
By antireflection film 28 and dielectric multilayer film 24, about ultrared reflection can reduce by 4% respectively on 23 liang of interfaces of bottom, (amount to about 8%).Therefore, can reduce the loss of infrared signal.
Because antireflection film 28 can reduce the reflection of bottom 23 lateral surfaces, thus as shown in Figure 3 among the reverberation ra the visible catoptrical contrast of contained dielectric multilayer film 24 be improved, the light of the color of being emphasized more also can reflect.Thereby lid 21B can have brighter and clearer appearance color, can improve the ornamental of infrared signal interface.
(the 4th execution mode)
Below, with reference to Figure 11, the infrared-transmitting cover 21C that relates to four embodiment of the invention is described.The downside of Figure 11 is the lateral surface of lid 21C and each layer, and upside is the medial surface of lid 21C and each layer.
Lid 21C has dielectric multilayer film 24 that is layered in bottom 23 lateral surfaces and the dielectric multilayer film 29 that is layered in bottom 23 medial surfaces.Lid 21C has the appearance color of synthetic color of the color of the reverberation 33 ' that reflects on the color of the reverberation 33 of reflection on the dielectric multilayer film 24 and the interface at dielectric multilayer film 29 and bottom 23.
For example, can design one deck outside dielectric multilayer film 24, make it existing infrared transmitting, again can reflect blue light 33; Can also design the inboard dielectric multilayer film 29 of one deck, make it existing infrared transmitting, can reflect sodium yellow 33 ' again.In the case, lid 21C had both had appearance color blue and yellow blending, had outstanding appearance design and excellent decoration effect again.
Have infrared transmitting and interdict the bottom of visible light, can mix with absorbing material, coating or as the material that ink and so on can interdict particular wavelength region light and pinch the resin material that forms and form.Can also replace, use the dielectric multilayer film that forms the energy reflect visible light all band and the light of the unwanted infrared band that is positioned at specific short-wave band one side at the medial surface of bottom, interdict these light.In the case, pinch the material that blocking light uses and compare, can interdict those accurately easily and the light of the wavelength of critically adjusting with mixing.
(the 5th execution mode)
Below, with reference to Figure 12, the infrared signal transmitting cover 21D that relates to fifth embodiment of the invention is described.The downside of Figure 12 is the lateral surface of lid 21D and each layer, and upside is the medial surface of lid 21D and each layer.
On lid 21D, transparent underlayer 23 lateral surfaces of acrylic resin system part or all, formation can make ground glass face (hair side district) 23A of light scatter.Other structures are identical with first execution mode.
Though hair side district 23A can make infrared diffusion, reduces ultrared directive property,, can near bottom 23, dispose under the situation of photo detector 26 limited in addition utilization in the inboard of lid 21D.
By hair side district 23A, under the situation of visible region observation, generate the scattered light of albescent edematus (milky).Lid 21D have by dielectric multilayer film 24 catoptrical colors and the albescent translucent scattered light color of hair side district 23A blended together, have a nacreous appearance color.
Because the lateral surface of transparent underlayer 23 has carried out hair side processing, so bottom 23 has the same translucent appearance of ground glass.For this reason, when lid 21D was installed in electronic equipment, the inside of electronic equipment be cannot see.
The infrared ray that lid 21D can be installed in household electrical appliance such as TV and video tape recorder is used by optical interface.In the case, be used for the infrared signal (the remote controller infrared ray of wave band) of unlatching, shutoff and the volume adjusting etc. of remote control home appliance power supply,, pass to household electrical appliance and receive by lid 21D.
(the 6th execution mode)
Below, with reference to Figure 13, the infrared-transmitting cover 21E that relates to sixth embodiment of the invention is described.The upside of Figure 13 is the lateral surface of lid 21E and each layer, and downside is the medial surface of lid 21E and each layer.
Lid 21E comprises bottom 60 that has curved lateral surface and the dielectric multilayer film 61 that is layered in bottom 60 lateral surfaces.The example of bottom 60 is semicircular cylinder or the hemispheres with convex lateral surface.
According to the 6th execution mode, can obtain following action effect.
The appearance color of lid 21E, different with the difference of viewing angle.For example, be under 0 ° the situation at incident light IL with respect to the angle of the normal of lid 21E, in the color of the reverberation ra0 of the lateral surface of dielectric multilayer film 61 reflection (0 degree reflection), different in the color of the color of the reverberation ra20 under 20 ° of situations of incidence angle (20 degree reflection) and the reverberation ra40 under 40 ° of situations of incidence angle (40 degree reflection).Therefore, lid 21E looks and neglects the green purple of neglecting, and is flash of light look (beautiful worm look), and feeling of high class is arranged.
(embodiment 3)
Below, with reference to Figure 14, Fig. 7, table 5 and table 6, the embodiment 3 of the lid 21E of the 6th execution mode is described.
As shown in table 3, the lid 21E of embodiment 3 except bottom has the curved surface this point, follows the lid of embodiment 2 as shown in table 2 to have identical construction.Therefore, the lid 21E of embodiment 3 has infrared transmitting, the light that reflection is yellow.
Table 5
Embodiment 3: yellow reflection, central wavelength lambda c:600nm, dielectric multilayer film number: 7 use crooked bottom
| Air side | Material | Physics thickness (nm) | Blooming |
| Thin layer | |||
| 1 | SiO2 | 45.21 | 0.444 |
| 2 | ZrO2 | 74.94 | 1 |
| 3 | SiO2 | 101.91 | 1 |
| 4 | ZrO2 | 74.94 | 1 |
| 5 | SiO2 | 102.96 | 1 |
| 6 | ZrO2 | 84.39 | 1.184 |
| 7 | SiO2 | 192.06 | 1.864 |
| |
Figure 14 represents the branch reflective character of the lid 21E of embodiment 3.The beam split reflectance spectrum of the reverberation ra0 of curve 70 expressions 0 degree reflection.The beam split reflectance spectrum of the reverberation ra20 of curve 71 expressions 20 degree reflections.The beam split reflectance spectrum of the reverberation ra40 of curve 72 expressions 40 degree reflections.It all is the situation of " not having back reflection ".
In the curve 70,71,72 of Figure 14, from the absorption of and dielectric multilayer film very low with respect near the reflectivity of the infrared ray the 900nm (IrDA with and remote controller with the infrared ray of wave band) less can ignore these two facts as can be known, this ultrared transmissivity is very high.
From the curve 70,71,72 of Figure 14 as can be known, along with the incident angle difference, the wavelength of visible light of maximum reflectivity changes, that is catoptrical color difference.
Table 6 is listed reverberation ra0, the ra20 of expression embodiment 3, the chromaticity coordinate value of ra40 color.It all is the situation of " not having back reflection ".(x y) with xy chromatic diagram shown in Figure 7, can know the colourity that this chromaticity coordinate value is represented, is exactly the reverberation color of dielectric multilayer film 24 from this chromaticity coordinate value.
Table 6
| Incident angle of light | Chromaticity coordinate value | ||
| | y | Y | |
| 0 degree reflection does not have back reflection | 0.47 | 0.46 | 48.62 |
| 20 degree reflections do not have back reflection | 0.46 | 0.48 | 52.94 |
| 40 degree reflections do not have back reflection | 0.4 | 0.49 | 58.19 |
(x=0.47, y=0.46) specific colourity is exactly the colourity that B is ordered among Fig. 7 (yellow) by reverberation ra0 chromaticity coordinate value.(x=0.46, y=0.48) specific colourity is exactly the colourity that B20 is ordered among Fig. 3 (yellow) by the chromaticity coordinate value of reverberation ra20.(x=0.4, y=0.49) specific colourity is exactly the colourity that B40 is ordered among Fig. 7 (yellow) by the chromaticity coordinate value of reverberation ra40.
According to embodiment 3, can obtain following action effect.
Lid 21E can will maintain near 100% with respect near the ultrared transmissivity the 900nm, has the different appearance color with the viewing angle difference again.Specifically, catoptrical color, along with the angle of incident light IL changes to 40 degree from 0 degree, color can vary continuously to the yellow of slightly little green from yellow.Appearance change in color whereby, lid 21 have the feeling of high class that has been enhanced and outstanding appearance design, thereby improve the electronic equipment degree of freedom in design.
The optical characteristics of lid 21E, even if in the wave band of infrared signal, also the difference with incident angle changes.But, very little in the change of optical property of infrared band shown in Fig. 14, the transmittance of infrared signal E1, E2 there is not substantial decline.
(the 7th execution mode)
Below, with reference to Figure 15, the infrared-transmitting cover 21F that relates to seventh embodiment of the invention is described.The downside of Figure 15 is the lateral surface of lid 21F and each layer, and upside is the medial surface of lid 21F and each layer.
The branch optical transmission characteristics of the curve 92 expression dielectric multilayer films 24 of Figure 16.Dielectric multilayer film 24 pairs of bluenesss, redness and infrared rays all have very high transmissivity.The lid 21F that comprises dielectric multilayer film 24, reflection sodium yellow (with reference to curve 93).
The branch optical transmission characteristics of the curve 94 expression black layers 91 of Figure 17.A wave-length coverage of infrared signal is listed among Figure 16 and Figure 17.
Under the situation that transparent underlayer 23 is made for the very poor resins such as acrylic resin of adaptation of following dielectric multilayer film 24, also can be at the medial surface of bottom 23, the stacked bottom layer treatment layer that carried out the hard conating processing.
According to the 7th execution mode, can obtain following action effect.
(the 8th execution mode)
Below, with reference to Figure 18, the infrared-transmitting cover 21G that relates to eighth embodiment of the invention is described.Figure 18 is the vertical view of lid 21G and along the cutaway view of the C-C line of lid 21G.
The downside of Figure 18 is the lateral surface of lid 21G and each layer, and upside is the medial surface of lid 21G and each layer.Lid 21G comprises: the transparent underlayer 23 with infrared transmitting and visible light transmission; With the dielectric multilayer film 24 that forms at the medial surface of bottom 23; With form at the medial surface of dielectric multilayer film 24, have infrared transmitting and can stop the black layer 91 of visible transmission; With the diffusion layer 90 that forms at the lateral surface of transparent underlayer 23; And the information printed layers 95 that between dielectric multilayer film 24 and black layer 91, forms.On information printed layers 95, printing the information of literal, image and pattern and so on.Formation in addition is identical with the lid 21F of Figure 15.
The example of information printed layers 95 is the individual layers in the direct printing of medial surface of dielectric multilayer film 24.In Figure 18, indicate the literal 112 of the B of useful white ink printing.Literal 112 is actual to be anti-body (mirror image), is printed on the medial surface of dielectric multilayer film 24.Also can print image and pattern.
According to the 8th execution mode, can obtain following action effect.
In order to see the information such as literal, image and pattern that form in information printed layers 95 from the outside of lid 21G, the transmittance of 24 pairs of visible lights of dielectric multilayer film will be adjusted.For example, the layer structure of dielectric multilayer film 24 will be adjusted, so that dielectric multilayer film 24 can optionally be allowed the visible light transmissive of specific band.As shown in figure 20, the observer of lid 21G can see the literal 112 of the B of the yellow background field 111 that produced by the reverberation of dielectric multilayer film 24 and the white in background field 111.Thereby lid 21G has outstanding appearance design, can improve the degree of freedom on the electronic device design.
The haze of diffusion layer 90 (haze) amount depends on the degree that literal 112 visible distances descend that do not influence.In view of the above, lid 21G can be in the background field (this example is yellow reflected colour) of distinct color, the information of display text, image and pattern and so on.
Information printed layers 95 is individual layers of the category information of the literal, image and the pattern that are printed with distinct color.The interpolation of information printed layers 95 is very simple.Thereby the lid 21G of the category information of display text 112 can simply create.
Have the lid 21G of the outward appearance of the background field 111 that comprises distinct color and literal 112, have outstanding appearance design, can improve the degree of freedom on the electronic device design.
(the 9th execution mode)
Below, with reference to Figure 21, illustrate originally to relate to the infrared-transmitting cover 21H that invents the 9th execution mode.Figure 21 is the cutaway view of the vertical view of expression lid 21H and the lid 21H that dissects along the D-D line.
The difference of lid 21H and lid 21G as shown in figure 18 is to have changed dielectric multilayer film 24 and information printed layers 95 this point.
The downside of Figure 21 is the lateral surface of lid 21H and each layer, and upside is the medial surface of lid 21H and each layer.Lid 21 H comprise: transparent underlayer 23; With the information printed layers 95 that forms at the medial surface of transparent underlayer 23; With the dielectric multilayer film 24 that on transparent underlayer 23 and information printed layers 95, is laminated; With black layer 91 that on dielectric multilayer film 24, is laminated and the diffusion layer 90 that forms at the lateral surface of bottom 23.The example of information printed layers 95 is the individual layers that comprise the category information that directly is printed on literal, image and pattern on bottom 23 medial surfaces.
According to the 9th execution mode, can obtain following action effect.
The information that forms on information printed layers 95 can see through diffusion layer 90 and transparent underlayer 23 is directly seen.As shown in figure 20, the observer of lid 21H can see the literal 112 of B in bright yellow background field 111.Thereby lid 21H has outstanding appearance design, can improve the degree of freedom on the electronic device design.
The haze amount of diffusion layer 90 depends on the degree that literal 112 visible distances descend that do not influence.In view of the above, lid 21H can demonstrate the information of literal, image and pattern and so in the background field (this example is yellow reflected colour) of distinct color.
Information printed layers 95 is individual layers of the category information of the literal, image and the pattern that are printed with distinct color.The interpolation of information printed layers 95 is very simple.The color of change information printed layers 95 adopts multiple color also to be easier to.Thereby the lid 21H of the category information of display text 112 can simply create.
Have the lid 21H of the outward appearance of the background field 111 that comprises distinct color and literal 112, have outstanding appearance design, can improve the degree of freedom on the electronic device design.
(the tenth execution mode)
Below, with reference to Figure 22, the infrared-transmitting cover 21I that relates to tenth embodiment of the invention is described.The downside of Figure 22 is the lateral surface of lid 21I and each layer, and upside is the medial surface of lid 21I and each layer.
The dark bottom 23B of infrared transmission for situation about making with the resins such as acrylic resin of the adaptation difference of dielectric multilayer film 24 under, also can be at the lateral surface of bottom 23B, stackedly carried out the bottom layer treatment layer that hard conating is handled.
Because protective layer 96 can prevent the deterioration that caused by the scratch of dielectric multilayer film 24 and sebum etc., so the durability of lid 21I is improved.
Utilize vacuum vapour deposition, for example, can form the following thin protective layer 96 of 10nm.Thereby, to the interference colours that produce by protective layer 96 and minimum to the dichroism influence of dielectric multilayer film 24.
(the 11 execution mode)
Below, with reference to Figure 23, the infrared-transmitting cover 21J that relates to eleventh embodiment of the invention is described.The downside of Figure 23 is the lateral surface of lid 21J and each layer, and upside is lid 21J and each layer medial surface.
The difference of lid 21J and Figure 22 lid 21I is following 2 points: use transparent underlayer 23, replace the dark bottom 23B of infrared transmission; At the medial surface of transparent underlayer 23, be formed with and both have an infrared transmitting, can stop the black layer 91 of luminous ray transmission again.Other formation and action effect are identical with Figure 22 lid 21I.
(manufacture method of infrared-transmitting cover)
Secondly, the manufacture method that relates to infrared-transmitting cover of the present invention is described.As an example, below explanation relates to the manufacture method of the lid 21 of first execution mode.This manufacture method also is applicable to the lid of making except that the lid 21 of first execution mode.This manufacture method is suitable for making the lid that comprises the bottom that forms with the lower material of softening point.
The manufacture method of infrared-transmitting cover comprises following operation.
At the lateral surface of the bottom 23 of infrared transmitting, adopt the film formation at low temp technology, forming existing infrared transmitting has the reflexive dielectric multilayer film 24 of visible light again.So-called film formation at low temp technology is to make bottom maintain the following temperature of softening point to come film forming technology.The example of film formation at low temp technology is ion assisted deposition, plasma chemical vapour deposition and reactive sputtering.
According to the manufacture method of the infrared-transmitting cover that relates to first execution mode, can obtain following action effect.
Be used for the resin material of the Merlon of bottom 23 and acrylic resin etc., its softening point temperature is lower.Adopt common vacuum vapour deposition, allow 24 driving fits of dielectric multilayer film to bottom 23, bottom 23 will be heated to 200 ℃～300 ℃ usually.For this reason, adopt common vacuum evaporation technology, be difficult in above the bottom made from low softening point materials such as resins 23, form dielectric multilayer film 24.In the present embodiment, adopt low temperature evaporation coating techniques such as ion assisted deposition, plasma chemical vapour deposition, reactive sputtering because be, form dielectric multilayer film 24 at the lateral surface of bottom 23, so can on the bottom 23 that the resin material low with softening point temperature made, form dielectric multilayer film 24 with desirable dichroism.
(electronic equipment that possesses infrared-transmitting cover)
Below, with reference to Figure 24, a kind of execution mode that possesses the electronic equipment that relates to infrared-transmitting cover of the present invention is described.
Figure 24 represents the portable data assistance 80 as electronic equipment.Portable data assistance 80 comprises framework, operation keys 82 and the display part 83 that infrared-transmitting cover 81 is installed.Lid 81 has the structure that illustrates among above-mentioned execution mode and the embodiment.
The electronic equipment that possesses infrared-transmitting cover according to relating to above-mentioned a kind of execution mode can obtain following action effect.
Above-mentioned execution mode also can change in the following manner.
Also the bottom 23 of above-mentioned first to fourth execution mode and the bottom 60 of the 6th execution mode can be changed to the dark bottom of above-mentioned (4) or the opaque bottom of (5).In the case, can also make based on the reverberation color (reflected colour) of dielectric multilayer film 24 (the 6th execution mode dielectric multilayer film 61) brightlyer, and obtain being installed under the state of electronic equipment, hide the effect of infrared-transmitting cover inside.
In the 5th execution mode as shown in figure 12, also can replace the lateral surface of transparent underlayer 23 is carried out hair side processing with bottom 23 medial surfaces being carried out hair side processing.The effect that also can keep in the case, the 5th execution mode.
According to the manufacture method of infrared-transmitting cover, adopt resin materials (low softening point material) such as the low Merlon of softening point temperature, acrylic resin as bottom 23, adopt the film formation at low temp technology, on bottom 23, form dielectric multilayer film 24.But, be under high softening-point material such as the glass situation about making at bottom, also can be on this bottom, adopt the method beyond the film formation at low temp technology, for example adopt common vacuum vapour deposition, form the dielectric multilayer film.
The dielectric multilayer film 24 of embodiment 1 as shown in table 1 is duplexers of eight layer films that constitute in order to obtain blue appearance color.Dielectric multilayer film 24 also can obtain the appearance color except that blueness, for example Huang Se appearance color with the stacked formation of eight layer films.The number of plies of film is not defined as eight layers.
The dielectric multilayer film 24 of embodiment 2,3 shown in table 3, table 5 is for obtaining the duplexer of seven layer films that the yellow appearance color constitutes.Dielectric multilayer film 24 also can obtain the appearance color except that yellow, for example Lan Se appearance color with the stacked formation of seven layer films.The number of plies of film is not defined as seven layers.
In the 8th execution mode and the 9th execution mode as shown in figure 21 as shown in figure 18, information printed layers 95 also can be to be made of the most layers that are printed with literal, image and pattern.
The lid of each execution mode is not limited to flat board and twisted plate, and various shapes can be arranged.The shape of lid can change, to be suitable for the outward appearance of electronic equipment.For example, lid 21K as shown in figure 25 is the cover with solid of sidewall.Lid 21K also can possess the installation ratchet that is mounted on electronic equipment.
So long as industry personnel, can both be according to the appearance color of desirable lid, in addition suitably change such as the kind of the evaporation materials such as ZrO2, SiO2 that are used to form the dielectric multilayer film and the film thickness of each layer.Adapt with the dielectric multilayer film, lid can have appearance colors such as indigo plant, light blue, green, yellow, pink, red and silvery white.
Infrared-transmitting cover of the present invention is not limited to portable data assistance 80, so long as possess the electronic equipment of infrared-transmitting cover, resembles various electronic equipments such as desktop computer, notebook computer, digital camera, can be suitable for.
For example, lid of the present invention can be used for the monitoring camera of image sensors (image sensor) such as CCD and CMOS.Monitoring camera can detect near infrared ray.Monitoring camera generally all wishes to be arranged on the unshowy place in shop.Therefore, monitoring camera can be collected in and has on the photographic window framework that lid of the present invention is installed, and is used.
As the electronic equipment of band solar cell, all be well-known as calculator, wrist-watch and generator etc.Such electronic equipment comprises the sensitive surface of big light-receiving area.On sensitive surface, be subjected to the light of the main generating wavelength of light, incide on the solar cell that is configured in the electronic equipment framework.When main generating wavelength is under the situation of infrared band,, can improve the ornamental of sensitive surface by lid of the present invention is installed.
Claims (17)
1. the infrared-transmitting cover on the infrared signal interface that is installed in electronic equipment is characterized in that, comprising:
Lateral surface or medial surface are the bottom of the infrared transmitting of hair side; With
The dielectric multilayer film is layered on the lateral surface or medial surface of above-mentioned bottom, reflects by infrared transmitting to have the light that is adjusted to desired color, makes described lid have nacreous appearance color.
2. according to the infrared-transmitting cover of claim 1 record, it is characterized in that, also comprise:
Bottom layer treatment layer stacked, that the process hard conating is handled between above-mentioned dielectric multilayer film and above-mentioned bottom, above-mentioned dielectric multilayer film plays a part the lateral surface as above-mentioned lid.
3. according to the infrared-transmitting cover of claim 1 record, it is characterized in that,
Above-mentioned bottom have the first surface that is laminated with above-mentioned dielectric multilayer film and with above-mentioned first surface opposed second surface; Above-mentioned lid also has the antireflection film on the above-mentioned second surface that is laminated in above-mentioned bottom; Above-mentioned dielectric multilayer film and above-mentioned antireflection film, medial surface and the lateral surface as above-mentioned lid works respectively.
4. according to the infrared-transmitting cover of claim 1 record, it is characterized in that,
Above-mentioned bottom has two surfaces, and above-mentioned dielectric multilayer film is layered on above-mentioned two surfaces of above-mentioned bottom.
5. according to the infrared-transmitting cover of claim 1 record, it is characterized in that,
The interface of above-mentioned bottom and above-mentioned dielectric multilayer film is a curved surface.
6. according to the infrared-transmitting cover of claim 5 record, it is characterized in that,
The interface of above-mentioned bottom and above-mentioned dielectric multilayer film is a convex surface.
7. according to the infrared-transmitting cover of claim 1 record, it is characterized in that,
Above-mentioned lid possesses lateral surface that is exposed to the above-mentioned electronic equipment outside and the medial surface that is configured in above-mentioned electronic equipment inboard;
Above-mentioned bottom is the layer that is formed by water white material, and has near the first surface of the medial surface of above-mentioned lid with near the second surface of the lateral surface of above-mentioned lid;
Above-mentioned dielectric multilayer film is layered on the above-mentioned first surface of above-mentioned bottom;
Above-mentioned lid also further comprises:
Black layer is layered on the above-mentioned dielectric multilayer film, has infrared transmitting and can also stop visible transmission; With
Diffusion layer is layered on the above-mentioned second surface of above-mentioned bottom.
8. according to the infrared-transmitting cover of claim 1 record, it is characterized in that,
Above-mentioned bottom is the layer that is formed by water white material, and it has the second surface near the lateral surface of the first surface of the medial surface of above-mentioned lid and close above-mentioned lid;
Above-mentioned dielectric multilayer film is layered on the above-mentioned first surface of above-mentioned bottom;
Above-mentioned lid also further comprises:
The information printed layers is layered on the above-mentioned dielectric multilayer film; With
Black layer is layered on the above-mentioned information printed layers, has infrared transmitting and can stop the luminous ray transmission; With
Diffusion layer is layered on the above-mentioned second surface of above-mentioned bottom.
9. the infrared-transmitting cover of putting down in writing according to Claim 8 is characterized in that,
Above-mentioned information printed layers is single layer.
10. according to the infrared-transmitting cover of claim 1 record, it is characterized in that,
Above-mentioned bottom is the layer that is formed by water white material, and it has the second surface near the lateral surface of the first surface of the medial surface of above-mentioned lid and close above-mentioned lid;
Above-mentioned lid also further comprises:
The information printed layers is layered between the above-mentioned first surface and above-mentioned dielectric multilayer film of above-mentioned bottom; With
Black layer is layered on the above-mentioned dielectric multilayer film, has infrared transmitting and can stop the luminous ray transmission; With
Diffusion layer is layered on the above-mentioned second surface of above-mentioned bottom.
11. according to Claim 8 or 10 the record infrared-transmitting covers, it is characterized in that,
Above-mentioned information printed layers comprises many layers.
12. the infrared-transmitting cover according to claim 1 record is characterized in that,
Above-mentioned bottom is the layer that is formed by water white material, and it has the second surface near the lateral surface of the first surface of the medial surface of above-mentioned lid and close above-mentioned lid;
Above-mentioned dielectric multilayer film forms on the above-mentioned second surface of above-mentioned bottom;
Above-mentioned lid also comprises:
Black layer is layered on the above-mentioned first surface of above-mentioned bottom, has infrared transmitting and can stop the luminous ray transmission; With
Protective layer is layered on the above-mentioned dielectric multilayer film.
13. the infrared-transmitting cover according to claim 1 record is characterized in that,
Above-mentioned dielectric multilayer film optionally reflects the visible light of specific band.
14. the infrared-transmitting cover according to claim 13 record is characterized in that,
Above-mentioned dielectric multilayer film, main transmission has the visible light of wavelength except that above-mentioned specific band.
15. an electronic equipment is characterized in that, comprising:
The framework of band opening; With
Be loaded on the infrared detection device in the above-mentioned framework; With
Be installed on the above-mentioned framework, thus stop up above-mentioned opening, as any infrared-transmitting cover of being put down in writing in the claim 1～14.
16. the manufacture method according to the infrared-transmitting cover of any record in the claim 1～14 is characterized in that, comprising:
On the lateral surface or medial surface of described infrared transmitting bottom, will have the dielectric multilayer film of infrared transmitting and reflect visible light, carry out the operation of film formation at low temp with ion assisted deposition, plasma chemical vapour deposition or reactive sputtering.
17. the manufacture method according to the infrared-transmitting cover of claim 16 record is characterized in that,
Above-mentioned bottom is the low softening point material.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP328906/2004 | 2004-11-12 | ||
| JP2004328906 | 2004-11-12 | ||
| JP117090/2005 | 2005-04-14 | ||
| JP2005117090A JP4122010B2 (en) | 2004-11-12 | 2005-04-14 | Infrared light emitter / receiver |
| PCT/JP2005/018649 WO2006051664A1 (en) | 2004-11-12 | 2005-10-07 | Infrared-transmitting cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101057341A CN101057341A (en) | 2007-10-17 |
| CN101057341B true CN101057341B (en) | 2010-12-29 |
Family
ID=38796179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580038563.9A Active CN101057341B (en) | 2004-11-12 | 2005-10-07 | Infrared-transmitting cover |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008160115A (en) |
| CN (1) | CN101057341B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106233168A (en) * | 2014-04-10 | 2016-12-14 | 瑞士Csem电子显微技术研发中心 | Infrared transmission cover plate |
| CN106415334A (en) * | 2014-04-10 | 2017-02-15 | 瑞士Csem电子显微技术研发中心 | Solar photovoltaic module |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010002554A (en) | 2008-06-19 | 2010-01-07 | Konica Minolta Business Technologies Inc | Image forming apparatus |
| JP4699551B2 (en) * | 2009-11-02 | 2011-06-15 | シャープ株式会社 | Optical pointing device and electronic device including the same |
| JP5796432B2 (en) * | 2010-09-22 | 2015-10-21 | 東レ株式会社 | Molded body and electronic equipment |
| JP2014071295A (en) * | 2012-09-28 | 2014-04-21 | Tokai Kogaku Kk | Optical article for infrared-ray reception/emission and infrared ray receiving/emitting part |
| US9209222B2 (en) * | 2012-12-14 | 2015-12-08 | Hamilton Sundstrand Corporation | Surveillance device |
| JP6296591B2 (en) * | 2013-05-28 | 2018-03-20 | 国立研究開発法人情報通信研究機構 | Spatial optical communication device radome and optical communication station having spatial optical communication device radome |
| JP5757438B2 (en) * | 2013-12-27 | 2015-07-29 | 大日本印刷株式会社 | Substrate, optical filter section, and display device |
| CN103792599A (en) * | 2014-02-28 | 2014-05-14 | 伯恩光学(惠州)有限公司 | Lens |
| JP2019032351A (en) * | 2015-12-25 | 2019-02-28 | Ａｇｃ株式会社 | Optical filter and optical device |
| CN107300783B (en) * | 2017-08-15 | 2019-08-16 | 天津津航技术物理研究所 | A kind of visible light, laser and middle infrared band recombination dichroic elements and design method |
| JP6812936B2 (en) * | 2017-09-22 | 2021-01-13 | 豊田合成株式会社 | Cover device for near infrared sensor |
| JP6872472B2 (en) * | 2017-11-30 | 2021-05-19 | 株式会社ファルテック | Rider cover |
| CN108490525A (en) * | 2018-03-14 | 2018-09-04 | 维沃移动通信有限公司 | A kind of cut-off film manufacturing method and cut film |
| US11314005B2 (en) * | 2018-05-17 | 2022-04-26 | Apple Inc. | Electronic device with infrared transparent one-way mirror |
| CN115298582A (en) * | 2020-03-16 | 2022-11-04 | 日东电工株式会社 | Optical filter, method for manufacturing the same, and optical module |
| KR20220154705A (en) * | 2020-03-16 | 2022-11-22 | 닛토덴코 가부시키가이샤 | Optical filter, its manufacturing method and optical module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213283A (en) * | 1986-03-14 | 1987-09-19 | Seiko Epson Corp | Solar cell |
| JPH077129B2 (en) * | 1987-06-25 | 1995-01-30 | 松下電工株式会社 | Ultra narrow band optical multilayer film |
| JP3276215B2 (en) * | 1993-07-30 | 2002-04-22 | 日本写真印刷株式会社 | Front panel and transfer material for front panel |
| JP4627610B2 (en) * | 2001-06-19 | 2011-02-09 | 株式会社ファルテック | Infrared sensor cover and infrared sensor unit using the same |
-
2005
- 2005-10-07 CN CN200580038563.9A patent/CN101057341B/en active Active
-
2007
- 2007-12-18 JP JP2007325973A patent/JP2008160115A/en active Pending
Non-Patent Citations (3)
| Title |
|---|
| JP 特开2003-4942 A,参见说明书第6-9、12-13段，附图1-3. |
| JP昭63-98601A 1988.04.30 |
| JP特开2004-53719A 2004.02.19 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106233168A (en) * | 2014-04-10 | 2016-12-14 | 瑞士Csem电子显微技术研发中心 | Infrared transmission cover plate |
| CN106415334A (en) * | 2014-04-10 | 2017-02-15 | 瑞士Csem电子显微技术研发中心 | Solar photovoltaic module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008160115A (en) | 2008-07-10 |
| CN101057341A (en) | 2007-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101057341B (en) | Infrared-transmitting cover | |
| KR101158821B1 (en) | Infrared-transmitting cover | |
| CN106233168B (en) | Infrared transmission cover board | |
| CN108710169B (en) | Radiation refrigeration optical filter and its preparation method and application | |
| CN106415334B (en) | Solar photovoltaic assembly | |
| CN104736338B (en) | Be suitable to solar energy system has colour reflective and the laminated windows of high sunlight transmissivity | |
| CN104981348B (en) | Fluorescent glass unit with optical isolator | |
| JPS61143719A (en) | View angle sensitive color illumination accessary | |
| US20130063810A1 (en) | Infrared-transmitting cover | |
| CN102289017A (en) | Optical body, window member, building fitting, and solar shading device | |
| WO2020081250A1 (en) | Transparent covering having anti-reflective coatings | |
| SG182708A1 (en) | Optical body, method of manufacturing the same, window member, fitting, and solar shading device | |
| CN109659373B (en) | Colored solar panel and structure comprising same | |
| CN108845469A (en) | A kind of electrochromic device that color can be customized arbitrarily and application | |
| KR20190086467A (en) | Spectral selective retroreflective system | |
| KR20210037706A (en) | Facade element with patterned cover plate and optical interference layer | |
| CN208953850U (en) | A kind of electrochromic device that color can be customized arbitrarily | |
| TWI423676B (en) | Application of coated substrate imaging | |
| CN104608434A (en) | Low-emissivity film | |
| JP3465321B2 (en) | Coating structure | |
| JP6458431B2 (en) | Method for evaluating color of dark sheet for solar cell module | |
| CN214381674U (en) | Shell and electronic equipment | |
| CN108804986A (en) | Fingerprint imaging module and electronic equipment | |
| CN201593016U (en) | Low-radiation coated glass with dark jewelry blue reflection color | |
| CN205498208U (en) | Low -E glass that alternative messenger's visible light passed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |