WO2007083591A1 - 静電容量型の発光型スイッチおよびこれに用いる発光型スイッチ素子 - Google Patents
静電容量型の発光型スイッチおよびこれに用いる発光型スイッチ素子 Download PDFInfo
- Publication number
- WO2007083591A1 WO2007083591A1 PCT/JP2007/050401 JP2007050401W WO2007083591A1 WO 2007083591 A1 WO2007083591 A1 WO 2007083591A1 JP 2007050401 W JP2007050401 W JP 2007050401W WO 2007083591 A1 WO2007083591 A1 WO 2007083591A1
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- WIPO (PCT)
- Prior art keywords
- light
- emitting switch
- switch element
- guide plate
- panel
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/044—Edge lighting of layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/06—Reflector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/006—Containing a capacitive switch or usable as such
Definitions
- the present invention relates to a capacitance type light emitting switch and a light emitting switch element used therefor.
- an electrostatic capacitance type input device as disclosed in Patent Document 1 is known, and an electrostatic capacitance type light emitting switch used for a front panel portion of an audio, a television, a washing machine or the like. It is also used. That is, as shown in FIG. 15, panel 2 made of a translucent material, decorative layer 3 placed on at least one surface of panel 2, and transparent electrode made of a transparent conductive film placed on the back of panel 2 A light-emitting switch element 151 including 101 and a light emitter 103 disposed on the backmost surface.
- the light emitter 103 is usually an edge light type surface light source in which a point light source 5 or a line light source is disposed on the side surface of the light guide plate 4 and a reflective layer 100 is disposed on the back surface of the light guide plate 4 (FIG. 15). And see Figure 16).
- the conventional light emitting switch 151 is a conventional capacitive light emitting switch with the transparent electrode 101 connected to a controller (not shown).
- the capacitance type light emitting switch having this configuration, when the outermost surface is touched with a finger or a finger is brought close to it, the capacitance of the transparent electrode 101 changes, and this change is detected by the control unit.
- the control unit switches the external load body circuit.
- the decorative layer 3 is displayed or not displayed by turning on and off the light source.
- the display mode may illuminate the entire panel, or may illuminate only a certain area of the panel. In the latter case, letters, numbers, figures, symbols, patterns, etc. are often displayed in a certain area to be illuminated.
- Patent Document 1 Japanese Utility Model Publication No. 61-89941
- the conventional capacitance-type light-emitting switch has a low-conductivity ITO film made of a transparent electrode. Therefore, the sensitivity is deteriorated. This is especially true when the thickness of the panel 2 disposed in front of the transparent electrode 101 is thick. If the sensitivity deteriorates, it may not be possible to input reliably, causing a malfunction.
- the conventional capacitance type light emitting switch has a complicated assembly process with a large number of parts, and an ITO film sheet is required. As a result, there is a problem that the manufacturing cost is high. In addition, since the number of parts is large, it is difficult to reduce the thickness of the light weight.
- the present invention is configured as follows.
- the capacitance-type light-emitting switch of the present invention is a capacitance-type light-emitting switch of the present invention.
- the light-emitting switch element includes a panel made of a translucent material, a decorative layer disposed on at least one surface of the panel, a light guide plate disposed on the back surface of the panel and the decorative layer, and A point light source or line light source disposed on the side surface of the light guide plate, and an opaque metal film having a surface resistance value of 1 ⁇ Zcm 2 or less by a four-probe method disposed on the back surface of the light guide plate
- the pattern includes a reflective layer having an electrode portion and a conductor portion connected to the electrode portion;
- the control unit is connected to the electrode unit via the conducting wire unit, and switches an external load body circuit in accordance with a change in electrostatic capacity of the electrode unit.
- the light-emitting switch element of the present invention is a light-emitting switch element used as a constituent part of a capacitance-type light-emitting switch,
- the reflection layer is integrally formed on the back surface of the light guide plate.
- the light-emitting switch element of the present invention is a light-emitting switch element used as a constituent part of a capacitive light-emitting switch,
- a reflection layer and a conductive wire connected to the electrode portion of the reflection layer are provided.
- the reflective layer and the conductive wire are integrally formed on the back surface of the light guide plate.
- the formation pattern of the reflective layer further includes a non-conduction portion.
- the material of the metal film is silver, copper, or aluminum.
- the front surface of the metal film is covered with an increased reflection film made of a dielectric.
- the formation pattern of the reflective layer includes two or more electrode portions.
- the electrostatic capacitance type light emitting switch of the present invention has a four-point probe for the reflective layer of the edge light type surface light source. It is made of an opaque metal film with a surface resistance value of 1 Q Zcm 2 or less, and the formation pattern has an electrode part, and the reflective layer also has an electrode function! / Therefore, in the capacitance type light emitting switch of the present invention, the electrode portion has a low resistance, input sensitivity is improved, and malfunction due to input failure does not occur.
- the electrode function is also used for the reflection layer, it is not necessary to arrange an electrode separately from the reflection layer. For this reason, the number of parts is reduced. As a result, assembly processing becomes easy and inexpensive.
- the light-emitting switch element of the present invention includes a reflection layer of an edge-light type surface light source formed of an opaque metal film having a surface resistance value of 1 Q Zcm 2 or less by a four-probe method, and its formation pattern. Is configured to have an electrode portion, and the reflective layer also has an electrode function. Therefore, in the light emitting switch element according to the present invention, the electrode portion and the Z or conductive wire portion have a low resistance, and the capacitance change of the electrode portion can be reliably transmitted to the control portion.
- the light emitting switch element according to the present invention also has an electrode switch function in the reflective layer, the number of components that do not require the electrode to be arranged separately from the reflective layer is reduced. As a result, the assembling process becomes easy and inexpensive.
- FIG. 1 is an explanatory view showing a capacitive light emitting switch 61 according to the present invention.
- FIG. 2 is an exploded sectional view showing a first light emitting switch element 51 according to the present invention.
- FIG. 3 is a rear view showing a state in which a reflective layer is formed for the light emitter in FIG. 2.
- FIG. 4 is an exploded sectional view showing a second light emitting switch element 52 according to the present invention.
- FIG. 5 is a rear view showing a formation state of a reflective layer for the light emitter in FIG.
- FIG. 6 is an exploded cross-sectional view showing a third light-emitting switch element 53 according to the present invention.
- FIG. 7 is a rear view showing a state in which a reflective layer is formed for the light emitter in FIG. 6.
- FIG. 8 is an exploded cross-sectional view showing a fourth light emitting switch element 54 according to the present invention.
- FIG. 9 is a rear view showing a state in which a reflective layer is formed for the light emitter in FIG. 8.
- FIG. 10 is an exploded sectional view showing a fifth light-emitting switch element 55 according to the present invention.
- FIG. 11 is a rear view showing a state in which a reflective layer is formed for the light emitter in FIG.
- FIG. 12 is an exploded cross-sectional view showing a sixth light emitting switch element 56 according to the present invention.
- FIG. 13 is a rear view showing a state where a reflecting layer is formed on the light emitter in FIG.
- FIG. 14 is a plan view showing an example of light-emitting display in the light-emitting switch element according to the present invention.
- FIG. 15 is an exploded cross-sectional view showing a light emitting switch device according to the prior art.
- FIG. 16 is a rear view showing a state in which a reflective layer is formed for the light emitter in FIG.
- FIG. 1 is an explanatory view showing an electrostatic capacitance type light emitting switch 61 according to the present invention
- FIG. 2 is an exploded sectional view showing an embodiment of the light emitting type switch element 51 according to the present invention. is there.
- the first light emitting switch element 51 is a component of the capacitance type light emitting switch 61.
- FIG. 3 is a rear view showing a state in which the reflective layer 1 is formed with respect to the light emitter 6 in FIG.
- the control unit 31 includes an oscillation circuit, a determination circuit, and a circuit switching circuit.
- the oscillation circuit is connected to the electrode part la via the conductor part lb.
- the oscillation frequency of the oscillation circuit changes according to the capacitance value of the electrode part la.
- the determination circuit is a circuit that detects and determines a frequency change of the oscillation circuit.
- the circuit switching circuit switches the circuit for the external load body 32 based on the determination result of the determination circuit.
- the circuit switching circuit is, for example, a relay circuit. Circuit switching includes switching ON / OFF of one electric circuit, switching to sequentially switch one circuit to three or more circuits, and the like.
- the external load body may be a television or a washing machine, for example, and may be a power supply circuit for the point light source 5 of the light emitting switch element, for example.
- capacitor D71 the equivalent of the capacitor including the electrode part la (1) is referred to as capacitor D71.
- the equivalent of the capacitor including the human body of the operator is the capacitor H72.
- the capacitor D71 has a capacitance Ca.
- the oscillation circuit oscillates at a frequency Fa corresponding to Ca.
- the capacitance Cm force of the capacitor H72 changes to the capacitance of the capacitor D71, and the capacitance of the capacitor D71 changes to Ct.
- the oscillation frequency of the oscillation circuit changes from the previous Fa to Ft.
- the judgment circuit detects and judges the frequency change from Fa to Ft, and the circuit switching circuit switches the external load body circuit.
- the first light emitting switch element 51 includes a panel 2 made of a translucent material, and a small number of the panel 2.
- a decorative layer 3 disposed on at least one surface, a light guide plate 4 disposed on the back surface of the panel 2 and the decorative layer 3, a point light source 5 disposed on a side surface of the light guide plate 4, and
- “(1)” such as la (l) and lb (l) in the drawing clearly indicates that the electrode portion la and the conductor portion lb are part of the reflective layer 1. The same applies to the reference numerals shown in the figures after FIG.
- the panel 2 is used for a three-dimensional cover of a mobile phone, a digital camera, a portable player, an audio, a television, a front panel of a washing machine, and the like, and is not limited to a flat plate.
- the shape of the panel 2 is, for example, a flat plate shape, a curved surface shape, or a plate body having a different thickness.
- Examples of the material of the panel 2 include general-purpose resins such as polystyrene resin, polyolefin resin, ABS resin, AS resin, and AN resin.
- General purpose engineering resin such as ultra high molecular weight polyethylene resin can be used.
- the decorative layer 3 is a layer for decorating the panel 2.
- the decorative layer 3 is formed as a colored ink layer, for example.
- the material of the colored ink layer includes polysalt vinyl resin, polyamide resin, polyester resin, polyacrylic resin, polyurethane resin, polyvinyl cetal resin, polyester urethane. It is preferable to use a colored ink containing a resin such as a resin-based resin, a cellulose ester-based resin, and an alkyd resin, and a suitable color pigment or dye as a colorant.
- a normal printing method such as an offset printing method, a gravure printing method, a screen printing method, or a coating method may be used.
- the decorative layer 3 is once formed on a base film and then indirectly transferred using a transfer method, a simultaneous molding transfer method, an insert method, a laminating method, or the like. 2 can also be formed.
- the decorative layer 3 may not be formed integrally with the panel 2 but may be formed by overlapping the panel 2 by forming the decorative layer 3 on a base film.
- the decorative layer 3 is disposed on the front surface or both surfaces of the panel 2. It will be. Such a mutual arrangement mode of the decorative layer 3 and the panel 2 is not illustrated.
- FIG. 14 is a plan view showing an example of light-emitting display in the light-emitting switch element according to the present invention.
- the panel plane that is entirely decorated by the decorative layer 3 is “arrows” and “frames”. It shows the state of being shielded from light, leaving only “”.
- the plain portion indicates the light-emitting portion and the shaded portion indicates the light-shielded portion.
- the light guide plate 4 guides light that also has side force introduced to the back by total reflection, and emits a part of the light from the front surface.
- the light guide plate 4 is a collection of acrylic resin, polycarbonate resin, or the like having a high refractive index and high internal reflectance, or a fluorescent pigment added to these resins to further increase the light collection rate on the side surface.
- a light plastic or the like can be used, and the shape is not limited to a flat plate.
- the shape of the light guide plate 4 is, for example, a flat plate shape, a curved surface shape, or plate-like bodies having different thicknesses.
- an optical sheet such as a diffusion sheet or a lens sheet may be appropriately disposed on the upper surface side of the light guide plate 4 in order to improve the uniformity of luminance and light quantity.
- the point light source 5 can be a light emitting diode (LED) or the like.
- the point light source can be a light emitting diode (LED) or the like.
- a line light source such as a cathode ray tube may be used.
- the reflective layer 1 reflects light from the light guide plate 4 back into the light guide plate 4, or reflects light from the light guide plate 4 to emit light from the front surface of the light guide plate 4.
- the arrows in Fig. 2 indicate the progress of light, and the same applies to the arrows in Figs. 4, 6, 8, 10, and 12.
- the reflective layer 1 is made of an opaque metal film. If it is an opaque metal film, it will have the light reflectivity necessary for the present invention, but if silver, copper, aluminum, gold, nickel, stainless steel, etc. are used as the material of the metal film, High reflectivity can be obtained, and the efficiency of light-emitting display is improved.
- the reflective layer 1 may be formed by forming a single metal film or a plurality of layers. When the reflective layer 1 is composed of a plurality of metal films, in order to obtain high reflectivity, the above-described metal film material closest to the light guide plate 4 may be used. It ’s enough.
- the formation pattern of the metal film constituting the reflective layer 1 has an electrode portion la and a conductive wire portion lb connected to the electrode portion la (see FIG. 2).
- the reflective layer 1 serves as an electrode for detecting a change in capacitance in a capacitive switch element. That is, the number of parts can be reduced as compared with the conventional technique in which it is not necessary to arrange electrodes separately from the reflective layer 1.
- the surface resistance value of the reflective layer 1 according to the four-probe method is 1 ⁇ Zcm 2 or less, even if the thickness of the panel 2 disposed in front of the electrode part la is increased, the electrode part la Even if the panel 2 is arranged with a gap in front of the panel, it is possible to provide a contact detection function with high sensitivity and no malfunction.
- the metal film having a surface resistance value of 1 ⁇ Zcm 2 or less can be obtained by appropriately selecting the material and film thickness to be used.
- the film thickness is 1 ⁇ m with aluminum
- the surface resistance value is 1 ⁇ Zcm 2 or less, and this thickness serves to function as the reflective layer 1 of the light guide plate 4. The necessary conditions are met.
- the reflective layer is made of an opaque metal film, the reflective layer and the electrode portion that do not require special processing can be used together.
- the surface resistance value is a value measured in accordance with JIS K 7194: 1994, titled “Resistivity Test Method for Conductive Plastics by Four-Probe Method”.
- a vacuum deposition method As the means for forming the metal film, a vacuum deposition method, a sputtering method, an ion plating method, a plating method, a method of attaching a metal foil, or the like can be used.
- the metal film formed by these methods is then patterned to obtain the electrode part la and the conductor part lb.
- a photoresist film is formed on a metal film, exposed using a photomask, and developed with a developer to form a resist film having a predetermined pattern, or screen printing or gravure on the metal film.
- a resist film having a predetermined pattern is printed by a method such as printing or ink jet, and a portion of the metal film that is not covered with the resist film is removed with the etching solution.
- the reflective layer 1 may not be integrally formed on the back surface of the light guide plate 4, but may be formed by patterning the metal film on a base film and overlaying it on the back surface of the light guide plate 4.
- the reflective layer 1 may be integrally formed on the back surface of the light guide plate 4. Sarako, patterning the metal film directly on the back of the light guide plate 4
- the metal film is once formed on the base film and patterned, and then indirectly formed on the back surface of the light guide plate 4 using a transfer method, a simultaneous molding transfer method, an insert method, a laminate method, or the like. You can also.
- the reflective layer 1 (including a case where the formation pattern is both an electrode portion and a conductive wire portion, and a case where the formation pattern is an electrode portion and further forms a conductive wire) is integrally formed on the back surface of the light guide plate 4, The number of parts of the capacitance type light emitting switch and light emitting switch element is further reduced.
- the light emitting switch element according to the present invention may have a configuration in which the opaque metal film constituting the reflective layer 1 does not have the conductor portion lb as a formation pattern. That is, the panel 2 made of a translucent material, the decorative layer 3 disposed on at least one surface of the panel 2, and the light guide plate disposed on the back surface of the panel 2 and the decorative layer 3 4, and the light source 5 or a line light source point disposed on the side surface of the light guide plate 4, the surface resistivity by the four-probe method is arranged on a rear surface of the light guide plate 4 is opaque at l Q ZCM 2 below It may be provided with a reflective layer 1 made of a metal film and having a pattern formed with an electrode part la, and a conductive wire 7 connected to the electrode part la of the reflective layer 1 (see FIGS. 8 and 9). .
- the electrode portion la (1) is connected to the conductor 7. If such a configuration is adopted, for example, when light-emitting display is performed over the entire surface of the panel, a reflective layer can be formed on the entire surface of the light guide plate 4. Alternatively, the formation position of the reflective layer can be freely selected corresponding to a region where light emission display is desired in the panel.
- the conductive wire 7 is formed by using a paste in which conductive fine particles such as carbon and silver are dispersed, and using a method such as screen printing, ink jet printing, blade coating, or bar coating. As described above, when the reflective layer 1 is indirectly formed on the back surface of the light guide plate 4 using a transfer method, a simultaneous molding transfer method, an insert method, a laminate method, or the like, the reflection on the base film.
- the conductor 7 is formed together with the layer 1.
- the conductive wire 7 may be formed by joining a flexible substrate having a conductive wire portion to the end portion of the electrode portion la using solder.
- High reflectivity can also be obtained by coating the front surface of an opaque metal film with an increased reflection film having dielectric strength.
- a high reflection film is a dielectric thin film with a high refractive index and a low refractive index.
- a high reflectivity is obtained by alternately depositing each of the optical film thicknesses. For example, by forming several layers of TiO and SiO, high reflectivity can be achieved over a wide wavelength range.
- the formation pattern of the reflective layer 1 may include two or more electrode portions la.
- the number of switches may be two or more.
- the detection area is 2 or more, and the switch can switch between 2 or more circuits.
- the light emitting display function is single, and in the light emitting display of the detection area, two or more detection areas are illuminated and shielded simultaneously.
- the formation pattern is an embodiment including a reflective layer having an electrode portion la and the conductive wire portion lb
- two or more sets of the electrode portion la and the conductive wire portion lb are used (FIGS. 4 and 5).
- the second light emitting switch elements 52 are arranged in two sets in the left-right direction, each consisting of a pair of switch parts composed of an electrode portion la (1) and a conductor portion lb (1).
- the electrode part la and the conductor 7 are set to two or more sets (FIGS. 10 and 11). reference).
- the fifth light emitting switch element 55 is arranged in a pair of switch parts consisting of the electrode portion la (1) and the conductor 7 in the left-right direction 2ffi_.
- the control unit includes one oscillation circuit and one determination circuit, and is divided from the N electrode units in a time division manner. Input may be detected and judged individually.
- the control unit may include N sets of circuits having one oscillation circuit and one determination circuit.
- the formation pattern of the reflective layer 1 may further include a non-conduction portion lc (see FIGS. 6 and 12).
- the electrode portion la when the input can be performed only in a partial region of the panel surface, the electrode portion la does not exist in the non-inputable region. In a region where the electrode portion la does not exist, it is preferable to provide the non-conductive portion lc that does not perform a capacitance change detection function as a part of the reflective layer 1. This is to prevent erroneous input by using only the desired detection region as the electrode portion.
- Such a region is a region where no reflective layer is formed, light leaks to the back surface of the light emitter, and therefore a reflective layer is also formed in the region. This is because the light of the power source such as the point light source 5 is efficiently used.
- the non-conducting portion lc is, for example, an area where the non-conducting portion lc is formed when an opaque metal film is formed on the entire surface and the electrode portion la and the conductor portion lb are patterned by photolithography etching. It can be formed by leaving it without being pinched.
- a non-conduction portion lc is formed between electrode portions la adjacent in the left-right direction. Further, in the sixth light emitting switch element 56, a non-conduction portion lc is formed between the electrode portions la adjacent in the left-right direction.
- two or more of the light guide plates 4 may be disposed, and two or more types of formation patterns of the reflective layer 1 may exist (FIGS. 7 and 13). See).
- the formation pattern is not the same in all of the reflective layers 1 depending on the number of the electrode portions la, the presence / absence of the conducting wire portion lb or the non-conducting portion lc, or the formation position and area thereof. It doesn't matter.
- a light emitting type light emitting switch element having a rich design and different timing of light emission shading and different shape of the switch areas is obtained.
- the third light-emitting switch element 53 has three light guide plates 4 arranged in the vertical direction of the drawing in FIG. 7. For each light guide plate 4, the number and position of the electrode portions la, the conductors The number and position of part lb and the number and position of non-conducting part lc are different.
- the sixth light emitting switch 56 there are three light guide plates 4 arranged in the vertical direction of the drawing in FIG. 13. For each light guide plate 4, the number and position of the electrode portions la and the non-conduction portion. The number and position of lc are different.
- the reflective layer 1 may perform the reflective function with respect to the light guide plate 4 alone, there is a layer having a reflective function without having an electrode function on the reflective layer 1, and the reflective layer 1 has the reflective function.
- the projectile layer 1 may serve as a supplementary reflective function.
- a polyester-based anchor layer is coated, and an opaque metal film made of silver is formed thereon by vapor deposition.
- a photoresist layer is formed on the metal film.
- a plurality of electrode portions and conductive wire portions connected to the respective electrode portions are formed by performing chemical etching on the metal film.
- a reflective layer was formed by patterning.
- the opaque metal film had a surface resistance value of 0.8 ⁇ 2 by a four-probe method.
- a polycarbonate light guide plate having a thickness of 0.6 mm having a light reflection uneven portion on the back surface was obtained by an injection molding method using a mold whose cavity surface was finely processed.
- the reflective layer and the light guide plate are laminated on the plastic frame from below, and further a commercially available diffusion sheet and lens sheet are laminated. Then, LEDs are arranged on the side surfaces of the light guide plate, An edge light type backlight was obtained.
- the decorative film is entirely bonded to the bottom of a transparent acrylic plate having a thickness of 1 mm using a transparent adhesive made of polyacrylic acid, and this is attached to a double-sided tape made of acrylic resin. After being provided, it was attached to the lower part of the edge light type backlight to obtain a light emitting switch element.
- Example 1 was performed except that a reflective layer was formed by patterning so as to have only a plurality of electrode portions during chemical etching of the metal film, and a conductive wire portion was provided by soldering a flexible substrate.
- the light-emitting switch element produced in Examples 1 and 2 was incorporated in the control panel portion of the aircon, and the conductor portion provided on the reflective layer was connected to the control portion of the capacitive touch panel.
- This control panel unit can only recognize the smoke-like decoration even when viewed from the input side when no light is emitted, and cannot recognize the presence of the switch, but when the main power supply of the air conditioner is turned on, the switch unit The light source emits light and the switch pattern appears. When I touched the glowing switch, I was able to operate functions such as air-conditioning airflow and set temperature without malfunction. The switch pattern is clearly visible with sufficient light intensity.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US11/908,352 US7671289B2 (en) | 2006-01-20 | 2007-01-15 | Capacitance type light-emitting switch and light-emitting switch element used for such capacitance type light-emitting switch |
CN2007800000866A CN101310351B (zh) | 2006-01-20 | 2007-01-15 | 电容式发光型开关以及其中使用的发光型开关元件 |
EP07706735.3A EP1975961B1 (en) | 2006-01-20 | 2007-01-15 | Capacitance type light-emitting switch and light-emitting switch element used for such capacitance type light-emitting switch |
JP2007535934A JP4046757B2 (ja) | 2006-01-20 | 2007-01-15 | 静電容量型の発光型スイッチおよびこれに用いる発光型スイッチ素子 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-012341 | 2006-01-20 | ||
JP2006012341 | 2006-01-20 |
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WO2007083591A1 true WO2007083591A1 (ja) | 2007-07-26 |
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PCT/JP2007/050401 WO2007083591A1 (ja) | 2006-01-20 | 2007-01-15 | 静電容量型の発光型スイッチおよびこれに用いる発光型スイッチ素子 |
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US (1) | US7671289B2 (ja) |
EP (1) | EP1975961B1 (ja) |
JP (1) | JP4046757B2 (ja) |
KR (1) | KR100861345B1 (ja) |
CN (1) | CN101310351B (ja) |
TW (1) | TWI402733B (ja) |
WO (1) | WO2007083591A1 (ja) |
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JP2011514021A (ja) * | 2008-01-15 | 2011-04-28 | ソニー エリクソン モバイル コミュニケーションズ, エービー | 無線移動通信端末及びそれを形成するための方法 |
JP2012048355A (ja) * | 2010-08-25 | 2012-03-08 | Shin Etsu Polymer Co Ltd | タッチパッドおよび静電容量センサーシート |
JP2013114617A (ja) * | 2011-11-30 | 2013-06-10 | Fujikura Ltd | 照明モジュール |
WO2014068822A1 (ja) * | 2012-10-30 | 2014-05-08 | パナソニック株式会社 | タッチパネル |
JP5659281B1 (ja) * | 2013-10-09 | 2015-01-28 | 日立アプライアンス株式会社 | 冷蔵庫 |
JP2015185370A (ja) * | 2014-03-24 | 2015-10-22 | スタンレー電気株式会社 | 静電容量タッチスイッチ |
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JP2013114617A (ja) * | 2011-11-30 | 2013-06-10 | Fujikura Ltd | 照明モジュール |
WO2014068822A1 (ja) * | 2012-10-30 | 2014-05-08 | パナソニック株式会社 | タッチパネル |
JP5659281B1 (ja) * | 2013-10-09 | 2015-01-28 | 日立アプライアンス株式会社 | 冷蔵庫 |
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JP2015185370A (ja) * | 2014-03-24 | 2015-10-22 | スタンレー電気株式会社 | 静電容量タッチスイッチ |
Also Published As
Publication number | Publication date |
---|---|
TWI402733B (zh) | 2013-07-21 |
JP4046757B2 (ja) | 2008-02-13 |
US7671289B2 (en) | 2010-03-02 |
TW200745922A (en) | 2007-12-16 |
EP1975961A1 (en) | 2008-10-01 |
KR20070104573A (ko) | 2007-10-26 |
EP1975961B1 (en) | 2016-06-22 |
CN101310351A (zh) | 2008-11-19 |
EP1975961A4 (en) | 2013-09-04 |
CN101310351B (zh) | 2011-04-13 |
KR100861345B1 (ko) | 2008-10-01 |
JPWO2007083591A1 (ja) | 2009-12-24 |
US20090050454A1 (en) | 2009-02-26 |
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