WO2006068056A1 - 液晶部品モジュールおよび誘電率制御方法 - Google Patents
液晶部品モジュールおよび誘電率制御方法 Download PDFInfo
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- WO2006068056A1 WO2006068056A1 PCT/JP2005/023161 JP2005023161W WO2006068056A1 WO 2006068056 A1 WO2006068056 A1 WO 2006068056A1 JP 2005023161 W JP2005023161 W JP 2005023161W WO 2006068056 A1 WO2006068056 A1 WO 2006068056A1
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- Prior art keywords
- liquid crystal
- dielectric layer
- dielectric constant
- temperature
- dielectric
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/22—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/181—Phase-shifters using ferroelectric devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/184—Strip line phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/08—Microstrips; Strip lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0485—Dielectric resonator antennas
Definitions
- the present invention relates to a liquid crystal component module that controls the dielectric constant of a liquid crystal dielectric layer formed using a dielectric material, and a method for controlling the dielectric constant.
- Electronic parts using dielectric materials are often used in electronic devices using high frequency (for example, microwave frequency band) such as mobile communication terminals in mobile communication systems.
- high frequency for example, microwave frequency band
- a microstrip line shown in FIG. 13 is used for a transmission line, a resonance circuit, a filter circuit, and the like.
- This microstrip line includes a ground plane (ground line) 4 and a conductor layer 1 (circuit pattern). And a dielectric layer 2 interposed therebetween. Its characteristic impedance is determined by the width W and thickness t of the conductor layer 1, the distance between the conductors, the thickness d of the dielectric layer 2 and the relative dielectric constant ⁇ .
- the dielectric antenna shown in FIG. 14 has a dielectric layer 2 sandwiched between the antenna pattern 14 and the ground plane 4 and applies a high-frequency signal to the antenna feeding point 6 to radiate radio waves.
- the characteristic impedance ⁇ of this line can be expressed by the following equation.
- the characteristic impedance Z of the microstrip line is a shape parameter.
- d thickness
- W line width
- dielectric constant ⁇ or relative dielectric constant ⁇
- FIG. 15 is a diagram showing a configuration example of a microstrip line that changes the dielectric constant of a conventional dielectric.
- the direction of the polarity of the liquid crystal dielectric layer 7 is determined by the direction (orientation direction) of the rubbing surface 3.
- the dielectric constant control voltage source 35 When a voltage is applied to the liquid crystal dielectric layer 7 by the dielectric constant control voltage source 35, the direction of the liquid crystal molecules in the liquid crystal dielectric layer 7 changes due to the electric field strength due to the applied voltage, and the dielectric constant changes. . in this way Then, by applying a voltage to the liquid crystal dielectric layer 7, the dielectric constant is changed and controlled to achieve a desired characteristic.
- This antenna device aims to provide an antenna device that can achieve a wide band by changing the antenna resonance frequency (see, for example, Patent Document 1).
- This antenna device is an antenna device having an antenna and a wireless device for exchanging transmission / reception signals with the antenna.
- the antenna device is provided with a dielectric portion whose relative dielectric constant is changed by the frequency control voltage Ec.
- the frequency control voltage supplied to the body is configured to control the voltage Ec! RU
- Patent Document 1 Japanese Patent Laid-Open No. 11-154821
- the dielectric constant of the liquid crystal dielectric layer 7 also changes depending on the signal that travels through the microstrip line. In particular, when the signal contains a direct current component, the effect is greater. In addition, even when an electrical component using the liquid crystal dielectric layer 7 is used in a place where there is physical vibration, the dielectric constant of the liquid crystal dielectric layer 7 varies with time. It was a problem when we wanted to keep it constant. In addition, the conventional dielectric antenna disclosed in Patent Document 1 has a problem that it is difficult to stably control the dielectric constant.
- the present invention has been made in view of such circumstances, and provides a liquid crystal component module capable of stably holding the dielectric constant of a liquid crystal dielectric layer and a dielectric constant control method for the liquid crystal component module. For the purpose.
- the present invention has been made to solve the above problems, and a first aspect of the present invention is a first and second liquid crystal dielectric layers disposed opposite to each other across the liquid crystal dielectric layer.
- a second conductor layer voltage applying means for controlling a dielectric constant of the liquid crystal dielectric layer by applying a DC voltage to the liquid crystal dielectric layer; and a temperature adjusting element for changing the temperature of the liquid crystal dielectric layer;
- the liquid crystal dielectric layer is changed by changing the temperature of the liquid crystal dielectric layer by the temperature adjusting element.
- This is a liquid crystal component module provided with temperature control means for transitioning between the solid phase and the liquid phase.
- a liquid crystal component module can be provided.
- the liquid crystal component module can be downsized and easily mounted on the circuit board.
- the first conductor layer may be a circuit layer having a circuit pattern, and the second conductor layer may be a ground layer.
- liquid crystal component module such as a microstrip line having a desired dielectric constant can be provided.
- the liquid crystal dielectric layer is divided into a plurality of regions, and the voltage applying means includes It may be configured to control the dielectric constant for each region of the liquid crystal dielectric layer.
- the characteristic impedance of a microstrip line whose dielectric part is made of liquid crystal can be changed for each region, and an impedance matching circuit for a transmission line can be produced.
- a fourth aspect of the present invention is a method for controlling a dielectric constant of a liquid crystal component module including a liquid crystal dielectric layer, wherein a DC voltage is applied to the liquid crystal dielectric layer in a liquid phase state.
- the dielectric constant can be stabilized by solidifying the liquid crystal dielectric layer after this change.
- the invention's effect there is an effect that the dielectric constant of the liquid crystal dielectric layer can be stably maintained.
- FIG. 1 is a diagram showing a basic configuration example of a liquid crystal component module of the present invention.
- FIG. 2 is a diagram showing a configuration example of a control circuit of the liquid crystal component module shown in FIG.
- FIG. 3 is a flowchart showing a control procedure of dielectric constant.
- FIG. 4 is a diagram showing a first configuration example of a microstrip line.
- FIG. 5 is a cross-sectional view of the microstrip line shown in FIG.
- FIG. 6 is a diagram showing a second configuration example of the microstrip line.
- FIG. 7 is a diagram showing a relationship between voltages applied to a plurality of electrodes.
- FIG. 8 is a diagram showing an equivalent circuit in a distributed constant line of a microstrip line.
- FIG. 9 is a diagram showing an example in which the entire surface of the liquid crystal component module is covered with a temperature control element.
- FIG. 10 is a diagram showing a configuration example of a capacitor using a liquid crystal dielectric layer.
- FIG. 11 is a phase state transition diagram depending on the relationship between the temperature and pressure of the liquid crystal.
- FIG. 12 is a transition diagram of MBBA chemical formula and phase state.
- FIG. 13 is a diagram showing an example of a conventional microstrip line.
- FIG. 14 is a diagram showing an example of a conventional dielectric antenna.
- FIG. 15 is a diagram showing an example of a conventional microstrip line having a variable dielectric constant.
- FIG. 1 is a diagram showing a configuration of the embodiment.
- a microstrip line signal line for passing a high-frequency signal such as a microphone mouthband
- the microstrip line shown in FIG. 1 includes a liquid crystal dielectric layer 7, a circuit pattern (first conductor layer) 1 formed on the liquid crystal dielectric layer 7, a rubbing surface 3 of the liquid crystal dielectric layer 7, and a liquid crystal dielectric. Applying a DC voltage to the ground plane (second conductor layer) 4 and the liquid crystal dielectric layer 7 disposed on the lower surface of the layer 7 deflects the liquid crystal molecules in the liquid crystal dielectric layer 7 to change the dielectric constant.
- the temperature adjustment element 8 is a temperature adjustment element configured by, for example, a Peltier element, and performs temperature control of cooling or heating by a direct current (current value and polarity) to control the temperature of the liquid crystal dielectric layer 7. For raising or lowering.
- the rubbing surfaces 3 arranged on both side surfaces of the liquid crystal dielectric layer 7 generate a voltage by friction, and a voltage for controlling the dielectric constant is applied to the liquid crystal molecules. It is intended to align in a certain direction.
- the liquid crystal changes its state between a solid phase, a liquid phase, and a gas phase depending on the relationship between temperature and pressure.
- the temperature of the liquid crystal dielectric layer 7 is changed by the temperature control element 8 while keeping the pressure constant (for example, atmospheric pressure).
- the liquid crystal dielectric layer 7 is changed from the solid state to the liquid (liquid crystal) state, the dielectric constant of the liquid crystal dielectric layer 7 is controlled by the dielectric constant control voltage source 5, and then returned to the solid state. ing.
- liquid crystal dielectric layer 7 for example, a substance called a liquid crystal polymer (LCP) can be used.
- LCP liquid crystal polymer
- This liquid crystal polymer is a kind of plastic which is solid at room temperature, but has a melting temperature of about SlOO ° C and a dielectric constant of about 2.5 to 4 in the microwave band.
- FIG. 2 is a block diagram showing a configuration of a control circuit of the liquid crystal component module shown in FIG.
- the temperature control element control current source 20 is a bipolar DC current source, and liquid is supplied by flowing a bipolar current (currents having different polarities for cooling and heating) through the temperature control element 8.
- the crystal dielectric layer 7 is cooled and heated.
- the temperature detection unit 22 detects the temperature of the temperature adjustment element 8 based on a signal input from the temperature sensor 21 attached to the temperature adjustment element 8. Based on the temperature detection signal from the temperature detection unit 22, the temperature control unit 23 controls the output current of the temperature adjustment element control current source 20 so that the temperature of the temperature adjustment element 8 becomes the set temperature.
- the temperature sensor 21 and the temperature detection unit 22 may be omitted.
- the storage unit 40 stores in advance the target temperature of the temperature control element 8 and the current value and polarity related information when the target temperature is set for the temperature control element control current source 20.
- the output current of the temperature control element control current source 20 is controlled so as to achieve the target current value and polarity.
- the dielectric constant measurement unit 25 applies a sense signal to the circuit pattern 1 and the ground plane 4 to measure the dielectric constant of the liquid crystal dielectric layer 7.
- the dielectric constant control unit 24 adjusts the voltage of the dielectric constant control voltage source 5 so that the dielectric constant measured by the dielectric constant measurement unit 25 becomes a target dielectric constant.
- the dielectric constant measurement unit 25 may be omitted if the precise setting of the dielectric constant is not required.
- information that associates the target dielectric constant with the voltage value (target voltage value) of the dielectric constant control voltage source 5 that gives the target dielectric constant is stored in the storage unit 40 in advance.
- the dielectric constant control voltage source 5 is controlled to achieve this target voltage value.
- the dielectric constant slightly changes. If the dielectric constant is set, the dielectric constant can be set more accurately.
- the control unit 30 controls the entire control circuit to control the liquid crystal dielectric layer 7 so as to have a set temperature (a set temperature for liquefaction and a set temperature for solidification). Control layer 7 to achieve the desired dielectric constant.
- control information necessary for the control unit 30 to control the dielectric constant of the liquid crystal dielectric layer 7 is recorded as a dielectric constant control table 41.
- the “target dielectric constant” information is information on the control target value of the dielectric constant of the liquid crystal dielectric layer 7. Note that when the liquid crystal dielectric layer 7 is cooled and solidified, the dielectric constant slightly changes. However, the target dielectric constant should be set accurately by taking this change into account. It may be.
- the voltage value of the dielectric constant control voltage source 5 that gives the target dielectric constant to the liquid crystal dielectric layer 7 instead of this target dielectric constant ( The target voltage value information may be recorded.
- the information of "solid temperature setting temperature” is setting information of the temperature necessary for bringing the liquid crystal dielectric layer 7 into a solid state
- the information of "liquid temperature setting temperature” is the liquid crystal dielectric information. This is temperature setting information necessary for the body layer 7 to be in a liquid (liquid crystal) state. If the temperature sensor 21 and the temperature detection unit 22 are omitted, the information of “current polarity and current value at the time of solidification” is recorded instead of the information of “solidification set temperature”, and “liquefaction setting” is recorded. Instead of the “temperature” information, the “current polarity and current value during liquefaction” information is recorded.
- liquid crystal dielectric layer 7 is of a type that becomes a solid state at room temperature (including the temperature inside the device, for example, 60 to 70 ° C or less), cooling by the temperature control element 8 There is a case where control is not performed, and in this case, information on “solidification set temperature” and information on “current polarity and current value in solid state” in the dielectric constant control table 41 are not necessary.
- FIG. 3 is a flowchart showing a procedure for controlling the dielectric constant in the liquid crystal component module.
- the liquid crystal dielectric layer 7 is solidified by cooling the liquid crystal component module by the temperature control element 8, and the dielectric constant is fixed (step Sl).
- the temperature adjusting element 8 brings the liquid crystal dielectric layer 7 to a temperature A (for example, 100 ° C.) at which the dielectric portion can maintain a liquid (liquid crystal) state (step S2).
- the dielectric constant of the liquid crystal dielectric layer 7 is controlled to a desired dielectric constant by applying a voltage to the liquid crystal dielectric layer 7 from the dielectric constant control voltage source 5 and changing the polarity direction of the liquid crystal. (Step S3).
- the temperature adjusting element 8 is used to set the liquid crystal dielectric layer 7 to a temperature B (for example, 10 ° C.) at which the liquid crystal is in a solid state, and the dielectric constant of the dielectric layer is fixed (step S4).
- the device is used as a device in a stable state with a fixed dielectric constant (step S5). If it is necessary to change the frequency characteristics of the device, the process of setting the liquid crystal dielectric portion to the liquid crystal state (step S 2), returning to step S 2, the same process is performed again.
- FIG. 4 is a diagram showing a first configuration of a microstrip line provided with a temperature control element, and is an example in which the liquid crystal component module of the present invention is applied to a microstrip line.
- FIG. 5 is a cross-sectional view of the microstrip line shown in FIG.
- the microstrip line shown in FIG. 4 is configured by laminating a liquid crystal dielectric layer 7 having a circuit pattern 1, a rubbing surface 3, a ground surface 4, an electrode 13, a power line 12, and a temperature control element 8 in this order. Then, the dielectric constant of the liquid crystal dielectric layer 7 is controlled by attaching the electrode 13 to the same level as the ground plane 4. Note that the dielectric constant control procedure is the same as the procedure shown in Fig. 3.
- the liquid crystal component module can be miniaturized and easily mounted on the circuit board.
- the position of the rubbing surface 3 does not need to be inserted between the liquid crystal dielectric layer 7 and the ground surface 4. It may be arranged on both sides of the liquid crystal dielectric layer 7 as shown in FIG.
- FIG. 6 is a diagram showing a second configuration example of the microstrip line provided with the temperature control element.
- the liquid crystal dielectric layer 7 is divided into a plurality of regions, and the dielectric constant is controlled for each region.
- This is an example of a microstrip line provided with electrodes.
- FIG. 7 shows the relationship between voltages applied to the plurality of electrodes of the microstrip line shown in FIG. 6, and
- FIG. 8 shows an equivalent circuit diagram of the distributed constant line of the microstrip line.
- the microstrip line shown in FIG. 6 has three sets of electrodes 13, and the dielectric constants ( ⁇ 1, ⁇ 2, and 2) of each region (region 1 to region 3) depend on the voltage applied to each electrode 13.
- the dielectric constants ( ⁇ 1, ⁇ 2, ⁇ 3) can be set to different values for each of region 1, region 2, and region 3 determined by the position of electrode 13. is there.
- the voltage VI is applied to the region 1 and the voltage V2 is applied to the region 2 by connecting the dielectric constant control voltage source 45 and the electrode 13 by the power line 12.
- region 3 apply voltage V3.
- VI, V2, and V3 are different voltage values.
- a connected impedance matching circuit can be configured. As a result, impedance matching can be achieved between circuits of different impedances. In addition, the area is even larger A dielectric substrate can also be constructed, and this widens the adjustment range of impedance matching between elements on the dielectric substrate.
- the example shown in FIG. 6 shows an example in which three regions are provided. However, the number of regions is not limited to this, and any number may be used! /.
- FIG. 9 is a diagram showing a configuration example of a liquid crystal component module in which the entire surface of the liquid crystal component module is covered with a temperature control element.
- the example shown in FIG. 9 is a configuration example in which the liquid crystal dielectric layer 7 is surrounded by a liquid crystal sealing wall 9 and further covered with a temperature adjusting element 8, where 10 is a signal input line and 11 is a signal output line.
- dielectric constant control lines 10a and l la for controlling the dielectric constant of the liquid crystal dielectric layer 7 and temperature control lines 10b and l ib for controlling the temperature of the temperature control element 8 are provided. Is provided.
- the thermal efficiency when the liquid crystal dielectric layer 7 is heated / cooled by the temperature adjusting element 8 can be improved.
- a capacitor having a variable capacity can be configured.
- FIG. 10 is a diagram illustrating a configuration example of a capacitor using a liquid crystal dielectric layer, and the capacitor is configured with the metal plate 51 facing each other with the liquid crystal dielectric layer 7 interposed therebetween.
- the liquid crystal dielectric layer 7 has a configuration in which the entire surface is covered with a temperature control element 8 as shown in FIG.
- the liquid crystal dielectric layer 7 is configured to be wrapped with a coiled signal line.
- the configuration is the same as that of a capacitor.
- liquid crystals that can be used for microwave trip lines and dielectric antennas in the microwave band
- liquid crystal polymers that can be used for microwave trip lines and dielectric antennas in the microwave band
- LCP is a kind of plastic that is solid at room temperature, and has a melting temperature of about 100 ° C and a dielectric constant of about 2.5-4.
- the relative dielectric constant can be basically controlled between about 1 and 6 to achieve a required resistance value. Note that the higher the relative dielectric constant, the higher the resistance value.
- the same liquid crystal as the MBBA shown in Fig. 12 can be used as the liquid crystal.
- electronic components liquid crystal component modules
- reactance elements and resistors can be manufactured in a small size, so that electronic components can be easily mounted on a circuit board.
- the dielectric constant is changed as necessary in a microstrip line, a dielectric antenna, an antenna matching circuit, and a circuit element that use liquid crystal as a dielectric material.
- a liquid crystal component module electronic component
- the frequency of the signal to be processed can be accurately switched by using a circuit board equipped with a liquid crystal component module whose electrical characteristics can be changed in the RF circuit portion of the communication module.
- the present invention makes it possible to variably control the dielectric constant of the liquid crystal dielectric layer when the liquid crystal is used as a dielectric material (dielectric layer).
- the effect is that the rate can be held stable. Therefore, the present invention is useful for a liquid crystal component module, a dielectric constant control method for the liquid crystal component module, and the like.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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DE112005003028T DE112005003028T5 (de) | 2004-12-20 | 2005-12-16 | Flüssigkristallkomponentenmodul und Verfahren zur Steuerung einer dielektrischen Konstante |
US11/719,205 US7929067B2 (en) | 2004-12-20 | 2005-12-16 | Liquid crystal component module and method of controlling dielectric constant |
Applications Claiming Priority (2)
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JP2004-367929 | 2004-12-20 | ||
JP2004367929A JP4394567B2 (ja) | 2004-12-20 | 2004-12-20 | 液晶部品モジュールおよび誘電率制御方法 |
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WO2006068056A1 true WO2006068056A1 (ja) | 2006-06-29 |
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PCT/JP2005/023161 WO2006068056A1 (ja) | 2004-12-20 | 2005-12-16 | 液晶部品モジュールおよび誘電率制御方法 |
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US (1) | US7929067B2 (ja) |
JP (1) | JP4394567B2 (ja) |
KR (1) | KR20070089148A (ja) |
CN (1) | CN100566016C (ja) |
DE (1) | DE112005003028T5 (ja) |
WO (1) | WO2006068056A1 (ja) |
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- 2005-12-16 CN CNB2005800420613A patent/CN100566016C/zh not_active Expired - Fee Related
- 2005-12-16 DE DE112005003028T patent/DE112005003028T5/de not_active Withdrawn
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Also Published As
Publication number | Publication date |
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CN101073179A (zh) | 2007-11-14 |
KR20070089148A (ko) | 2007-08-30 |
JP4394567B2 (ja) | 2010-01-06 |
CN100566016C (zh) | 2009-12-02 |
JP2006174378A (ja) | 2006-06-29 |
US7929067B2 (en) | 2011-04-19 |
US20090073332A1 (en) | 2009-03-19 |
DE112005003028T5 (de) | 2007-10-31 |
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