US20060044778A1 - Dial module, manufacturing method thereof, led display element, display module, movement module, connector module and meter using them - Google Patents

Dial module, manufacturing method thereof, led display element, display module, movement module, connector module and meter using them Download PDF

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Publication number
US20060044778A1
US20060044778A1 US10/528,448 US52844805A US2006044778A1 US 20060044778 A1 US20060044778 A1 US 20060044778A1 US 52844805 A US52844805 A US 52844805A US 2006044778 A1 US2006044778 A1 US 2006044778A1
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United States
Prior art keywords
dial
module
light source
dial module
meter
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.)
Abandoned
Application number
US10/528,448
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English (en)
Inventor
Masahiro Muramatsu
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Yazaki Corp
Original Assignee
Yazaki Corp
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Filing date
Publication date
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Assigned to YAZAKI CORPORATION reassignment YAZAKI CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MURAMATSU, MASAHIRO
Publication of US20060044778A1 publication Critical patent/US20060044778A1/en
Priority to US12/219,993 priority Critical patent/US7699624B2/en
Priority to US12/219,975 priority patent/US7952274B2/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/02—Scales; Dials
    • G01D13/04—Construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/331—Electroluminescent elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/40—Hardware adaptations for dashboards or instruments
    • B60K2360/42—Circuit board features
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
    • H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
    • H01L2224/45001—Core members of the connector
    • H01L2224/45099—Material
    • H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
    • H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
    • H01L2224/45144—Gold (Au) as principal constituent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481—Disposition
    • H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
    • H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/00011—Not relevant to the scope of the group, the symbol of which is combined with the symbol of this group
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181—Encapsulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181—Encapsulation
    • H01L2924/1815—Shape
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates

Definitions

  • the present invention relates to a dial module and process for manufacturing the dial module, LED display element, display module, movement module, connector module and meter employing the same.
  • FIG. 13 is an exploded perspective view illustrating an example of a conventional meter for use in a motor vehicle proposed by the applicant.
  • the meter for use in a motor vehicle includes a front glass 5 , plate 6 , dial (i.e. dial plate) 2 , casing 12 , board assembly 13 , and stepper motor 83 b as a movement.
  • a bracket, lamp casing and housing are incorporated with the casing 12 .
  • the dial 2 is provided with meters such as a speed meter 21 , tachometer 22 , thermometer 23 and fuel meter 24 , and meters consisting of various indicators such as a warning display 25 on a surface of the dial 2 .
  • the speed meter 21 includes meter design part 21 a consisting of the scale, characters and indices, and a through hole 21 b formed at the center for attaching a pointer 83 f on a front surface of the dial 2 by guiding a rotation shaft of the stepper motor 83 b therethrough.
  • the tachometer 22 includes a meter design part 22 a and through hole 22 b
  • the thermometer 23 includes a meter design part 23 a and through hole 23 b
  • the fuel meter 24 includes a meter design part 24 a and through hole 24 b.
  • a translucent paint such as a white paint is printed on each of the meter design parts 21 a , 22 a , 23 a , 24 a and 25 a of the speed meter 21 , tachometer 22 , thermometer 23 , fuel meter 24 and warning display 25 , respectively.
  • a light-blocking paint such as a black paint is printed on a portion except each design part.
  • Each design part disperses the light from a light source (not shown in the figure) attached to the board assembly 13 by means of a lamp casing of the casing 12 so as to light up from the back.
  • the meter design part 25 a of the warning display 25 is illuminated by a shell-type light-emitting diode (LED) display element (not shown in the figure) mounted on the board assembly 13 as a light source when a warning is given.
  • LED light-emitting diode
  • an IC as a drive element for driving a LED display element for the warning display 25
  • IC as a drive element for driving a LCD (liquid crystal display) as an assistant display element for displaying such as a trip meter
  • IC as a drive element for driving a stepper motor 83 b
  • other electronic instruments for carrying out various functions of meters for a vehicle.
  • the stepper motor 83 b includes an upper casing 83 b - 1 and lower casing 83 b - 2 made of synthetic resin or the like.
  • a pair of engaging holes 83 b - 1 a of the upper casing 83 b - 1 engages with an engaging projection 8 . 3 b - 2 a formed on an outer wall of the lower casing 83 b - 2 , thereby fixing the upper and lower casings 83 b - 1 , 83 b - 2 to each other.
  • a rotation shaft 83 b - 3 for attaching a needle (indication needle) 83 f penetrates through to protrude from an upper surface of the upper casing 83 b - 1 .
  • a side wall of the upper casing 83 b - 1 is provided with an arm-shaped hook 83 b - 1 c in the inverse direction to the rotation shaft 83 b - 3 .
  • a bracket, lamp casing and housing are incorporated with the casing 12 , and the board assembly 13 is assembled into a single board, thereby having advantages of easy assembling and simple structure.
  • FIGS. 15 and 16 show a perspective view and cross sectional view taken along B-B line illustrating another example of a conventional meter for a vehicle.
  • the meter for a vehicle includes: a display board 101 having a circuit pattern (not shown in the figure) capable of electric conduction between a front surface 101 a and back surface 101 b ; and a display devices such as a speed meter 102 , tachometer 105 , fuel meter 108 and thermometer 111 , each mounted on the front surface 101 a of the display board 101 .
  • the speed meter 102 includes: a stepper motor 103 as a movement fixed to the display board 101 ; and a needle 104 attached to an output shaft 103 a of the stepper motor 103 that functions as internal equipment for driving the needle 104 in response to measured quantity data of a speed of the vehicle.
  • the tachometer 105 includes a stepper motor 106 and a needle 107 attached to an output shaft 106 a of the stepper motor 106 that functions as internal equipment for driving the needle 107 in response to measured quantity data of number of revolutions of an engine.
  • the fuel meter 108 includes a stepper motor 109 and a needle 110 attached to an output shaft 109 a of the stepper motor 109 that functions as internal equipment for driving the needle 110 in response to measured quantity data of the amount of fuel.
  • the thermometer 111 includes a stepper motor 112 and a needle 113 attached to an output shaft 112 a of the stepper motor 112 that functions as internal equipment for driving the needle 113 in response to measured quantity data of temperature in a vehicle.
  • a dial which is provided with a scale and indices such as numbers, characters and marks on a surface on the dial (not shown in the figure).
  • the meter for a vehicle includes: an infrared light-receiving element 114 and an IC (Integrated Circuit) 115 for a stepper motor driver and infrared communication, each of which is mounted on the back surface 101 b of the display board 101 and electrically connected to the speed meter 102 mounted on the front surface 101 a ; an infrared light-receiving element 116 and an IC (Integrated Circuit) 117 for a stepper motor driver and infrared communication, each of which is electrically connected to the tachometer 105 mounted on the front surface 101 a ; an infrared light-receiving element 118 and an IC (Integrated Circuit) 119 for a stepper motor driver and infrared communication, each of which is electrically connected to the fuel meter 108 mounted on the front surface 101 a ; and an infrared light-receiving element 120 and an IC (Integrated Circuit) 121 for a stepper motor driver and infrared communication, each of which is electrically
  • the meter for a vehicle includes a control module 122 attached to the back surface 101 b of the display board 101 .
  • the control module 122 is provided with an IC 124 (including an I/F (interface) circuit IC, microcomputer IC and infrared communication IC) and an infrared light-emitting element 125 on a board provided with a circuit pattern (not shown in the figure).
  • the control module 122 is detachably attached to the display board 101 with two fittings 123 .
  • the fitting 123 has a groove 123 a for fitting the control module board 122 thereinto at one end thereof and four claw-shaped engaging parts 123 b for resiliently engaging with corresponding engaging holes 101 c of the display board 101 at the opposite end thereof.
  • Each measured quantity of the vehicle speed, number of revolutions of the engine, amount of the fuel and temperature in the vehicle detected by the respective sensors are inputted into the control module 122 in a form of, for example, serial data. Then, each measured quantity is processed on the basis of the inputted data and then, each measured quantity as the quantity data labeled with a specific identification code is transmitted from the infrared light-emitting element 125 as an infrared signal.
  • the infrared signal transmitted from the infrared light-emitting element 125 is received by the respective infrared light-receiving elements 114 , 116 , 118 and 120 and supplied to the respective IC 115 , 117 , 119 and 121 for a stepper motor driver and infrared communication.
  • Each of the IC 115 , 117 , 119 and 121 for a stepper motor driver and infrared communication selectively supplies the corresponding measured quantity data of the vehicle speed, number of revolution of the engine, amount of the fuel and temperature in the vehicle to the corresponding meters, that is, the speed meter 102 , tachometer 105 , fuel meter 108 and thermometer 111 according to the corresponding specific identification code.
  • a control section which is a basic control part for controlling the respective meters, each indicating the measured quantity as to a state of the vehicle, is made a module as the control module 122 , thereby enabling to be commonly used for any meter.
  • the output from the control module 122 is made to be an infrared communication output.
  • the infrared light-receiving element and the corresponding IC for a stepper motor driver and infrared communication are mounted corresponding to each meter.
  • Each of the IC 115 , 117 , 119 and 121 for a stepper motor driver and infrared communication is connected to the corresponding stepper motor 103 , 106 , 109 and 112 , each of which constitutes the corresponding meter device such as the speed meter 102 , tachometer 105 , fuel meter 108 and thermometer 111 . Therefore, each stepper motor can be operable with the infrared signal from the control module 122 .
  • FIGS. 15 and 16 a structure of an integrated board is illustrated, on which integrated board each stepper motor 103 , 106 , 109 and 112 as the movement and each IC 115 , 117 , 119 and 121 for a stepper motor driver and infrared communication are mounted.
  • each of the casing 12 and board assembly 13 is molded to have a predetermined shape with resin or the like as a separate part separated from the dial 2 , therefore if the arrangement of the meter varies depending on a type of the vehicle, it is necessary to make separately the dial, casing and board assembly by changing their shapes depending on a type of the vehicle so as to fit to the arrangement of the meter, causing a problem that such a meter for a vehicle cannot be commonly used for various types of the vehicle.
  • the integrated board for the meter for a vehicle shown in FIGS. 13-16 has restriction for designing due to a limited wiring space. Further, a board having high mounting density must be designed separately depending on a combination or layout of the respective meters, causing a necessity of a large man-hour for designing. Further, when the board is completed, there is a problem that an evaluation of noise and so on must be carried out each time.
  • the integrated board described above needs a mounting space for mounting a plurality of drive elements for carrying out the respective functions of the meter for a vehicle. Further, when the integrated board is designed as a board which can be used in common for a plurality of types of vehicle, there is a problem that a useless mounting space for a drive element for an unnecessary function occurs depending on a type of the vehicle.
  • a dial module defined in claim 1 is a dial module including:
  • a dial module defined in claim 2 is, in the invention defined in claim 1 , characterized in that the dial, light source and flexible printed circuit are formed in substantially the same shape.
  • a dial module defined in claim 3 is
  • a dial module defined in claim 4 is, in the invention defined in claim 3 , characterized in that the light source and flexible printed circuit are formed in substantially the same shape.
  • a dial module defined in claim 5 is a dial module including:
  • a dial module defined in claim 6 is, in the invention defined in claim 5 , characterized in that the dial and light source are formed in substantially the same shape.
  • a dial module defined in claim 7 is a dial module including a sheet-shaped light source, wherein a dial having a design part is formed on a front surface of the light source while a flexible printed circuit is formed on a back surface of the light source.
  • a dial module defined in claim 8 is, in the invention defined in any one of claims 1 - 7 , characterized in that it further includes a connecting terminal part for attaching an additional component thereto.
  • a dial module defined in claim 9 is, in the invention defined in any one of claims 1 - 8 , characterized in that the light source is a sheet-shaped electroluminescent light source.
  • a process for manufacturing a dial module defined in claim 10 is a process for manufacturing a dial module including:
  • a process for manufacturing a dial module defined in claim 11 is, in the invention defined in claim 10 , characterized in that the light source is formed by providing a transparent electrically conductive film with a luminous layer, insulating layer and back surface electrode, and the flexible printed circuit is formed by providing a copper foil film with a circuit with etching followed by an insulation processing.
  • a process for manufacturing a dial module defined in claim 12 is a process for manufacturing a dial module including:
  • a process for manufacturing a dial module defined in claim 13 is, in the invention defined in claim 12 , characterized in that it further includes a third step in which an insulation processing is applied on a part where the circuit is formed.
  • a process for manufacturing a dial module defined in claim 14 is, in the invention defined in any one of claims 10 - 13 , characterized in that the light source is a sheet-shaped electroluminescent light source.
  • a meter defined in claim 15 is a meter including:
  • a light-emitting diode (LED) display element defined in claim 16 is a light-emitting diode display element for supplying electric power to a light-emitting element, including a lead terminal for fixing the light-emitting element to an opposite attaching member situated in the same direction as that of emission from the light-emitting element.
  • a light-emitting diode display element defined in claim 17 is a light-emitting diode display element including:
  • a meter defined in claim 18 is a meter including:
  • a display module defined in claim 19 is a display module including:
  • a display module defined in claim 20 is, in the invention defined in claim 19 , characterized in that the display element is a liquid crystal display element.
  • a meter defined in claim 21 is a meter including:
  • a movement module defined in claim 22 is a movement module including:
  • a meter defined in claim 23 is a meter including:
  • a connector module defined in claim 24 is a connector module including:
  • a connector module defined in claim 25 is, in the invention defined in claim 24 , characterized in that the part of the second connecting terminal, which part is situated inside the second tube part, is a resilient contact.
  • a connector module defined in claim 26 is, in the invention defined in claim 24 or 25 , characterized in that it further includes a cover for closing an opening of the second tube part.
  • a meter defined in claim 27 is a meter including:
  • FIG. 1A is an exploded perspective view illustrating a preferred embodiment of a dial module according to the present invention.
  • FIG. 1B is a perspective view illustrating a preferred embodiment of an assembled dial module according to the present invention.
  • FIG. 2 is an exploded perspective view illustrating a meter for a vehicle, which employs a dial module according to the present invention.
  • FIG. 3A is a perspective view illustrating a LED display element employed in the meter shown in FIG. 2 .
  • FIG. 3B is a cross sectional view illustrating a LED display element employed in the meter shown in FIG. 2 .
  • FIG. 4 is a partial cross sectional view illustrating a part of a warning display in which the LED display element shown in FIG. 3 is employed.
  • FIG. 5 is a perspective view illustrating a display module employed in the meter shown in FIG. 2 .
  • FIG. 6 is a perspective view illustrating a movement module employed in the meter shown in FIG. 2 .
  • FIG. 7 is a perspective view illustrating another example of a movement module.
  • FIG. 8 is a perspective view illustrating a further example of a movement module.
  • FIG. 9A is an exploded perspective view illustrating a connector module employed in the meter shown in FIG. 2 .
  • FIG. 9B is a cross sectional view illustrating a connector module employed in the meter shown in FIG. 2 .
  • FIGS. 10A-10I illustrate each step of a process for manufacturing a dial module according to another preferred embodiment of the present invention.
  • FIG. 11 is a view illustrating an action of a dial module according to another preferred embodiment of the present invention.
  • FIGS. 12A-12D illustrate each step of a process for manufacturing a dial module according to a further preferred embodiment of the present invention.
  • FIG. 13 is an exploded perspective view illustrating an example of a conventional meter for a vehicle.
  • FIG. 14 is a perspective view of a stepper motor used in the meter for a vehicle shown in FIG. 13 .
  • FIG. 15 is a perspective view illustrating another example of a conventional meter for a vehicle.
  • FIG. 16 is a cross sectional view taken along B-B line of the meter for a vehicle shown in FIG. 15 .
  • FIG. 1A is an exploded perspective view illustrating a preferred embodiment of a dial module according to the present invention.
  • FIG. 1B is a perspective view illustrating a preferred embodiment of an assembled dial module according to the present invention.
  • the dial module (i.e. dial plate module) 1 includes a sheet-shaped dial (i.e. dial plate) 2 , electroluminescence light source (hereinafter, EL light source) 3 as a sheet-shaped light source and a flexible printed circuit (hereinafter, FPC) 4 .
  • EL light source electroluminescence light source
  • FPC flexible printed circuit
  • the dial 2 consisting of, for example, sheet-shaped translucent material, is a sheet-shaped dial, in which a surface of a sheet is provided with meters such as a speed meter 21 , tachometer 22 , thermometer 23 and fuel meter 24 and various indicators such as a warning display 25 .
  • a speed meter 21 is arranged at the center, a circular meter including a thermometer 23 and a fuel meter 24 is connected to one side of the speed meter 21 while another circular meter including a tachometer 22 and a warning display 25 is connected to the opposite side of the speed meter 21 .
  • the speed meter 21 includes: a meter design part 21 a consisting of a scale, characters and indices; a through hole 21 b formed at the center for guiding a rotation shaft of a stepper motor (explained later on) therethrough; and a notch 21 c as a first notch formed at the lower part of the speed meter 21 .
  • the tachometer 22 includes a meter design part 22 a and a through hole 22 b
  • the thermometer 23 includes a meter design part 23 a and a through hole 23 b
  • the fuel meter 24 includes a meter design part 24 a and a through hole 24 b.
  • a translucent paint such as a white paint is printed on each of the meter design parts 21 a , 22 a , 23 a , 24 a and 25 a of the speed meter 21 , tachometer 22 , thermometer 23 , fuel meter 24 and warning display 25 , respectively.
  • a light-blocking paint such as a black paint is printed on a portion except each design part.
  • the EL light source 3 is a sheet-shaped light source formed substantially in the same shape as that of the dial 2 .
  • a part 31 corresponding to the speed meter 21 , part 32 corresponding to the tachometer 22 and part 33 corresponding to the thermometer 23 and fuel meter 24 are integrally formed with one another in a linked shape.
  • the part 31 includes a through hole 31 a formed at the center for guiding a rotation shaft of a stepper motor therethrough and a notch 31 a as a second notch formed so as to be lined up with the notch 21 c at the lower part of the part 31 .
  • the part 32 includes a through hole 32 a while the part 33 includes through holes 33 a and 33 b.
  • the FPC 4 is formed substantially in the same shape as that of the dial 2 .
  • a part 41 corresponding to the speed meter 21 , part 42 corresponding to the tachometer 22 and part 43 corresponding to the thermometer 23 and fuel meter 24 are integrally formed with one another in a linked shape.
  • the part 41 includes a through hole 41 a formed at the center for guiding a rotation shaft of a stepper motor therethrough and a display window 41 b formed by being notched at the lower part of the part 41 .
  • the display window 41 b is formed so as to be situated in the rear of the notches 21 c and 31 a .
  • the part 42 includes a through hole 42 a while the part 43 includes through holes 43 a and 43 b.
  • the FPC 4 includes a circuit for carrying out the function of the meters on the dial 2 , a circuit for supplying electric power to the EL light source 3 , and connecting terminals for connecting electronic components (explained alter on) for carrying out the function of the meters on the dial 2 .
  • the FPC 4 includes a connecting terminal 44 for attaching an optional meter, which terminal is formed being extended to the upper part of the part 42 .
  • the EL light source 3 is fixed on the back surface of the dial 2 by fixing means such as an adhesive, while the FPC 4 is fixed on the back surface of the EL light source 3 by fixing means such as an adhesive, thereby the dial 2 , EL light source 3 and FPC 4 are integrated and the dial module 1 is completed as shown in FIG. 1B .
  • the EL light source 3 receives electric power from the circuit of the FPC 4 and illuminates each design part of the dial 2 from the rear.
  • the dial module 1 the dial 2 , the EL light source 3 for illuminating each design part of the dial 2 , and the FPC 4 having the circuits and connecting terminal for carrying out the function of the meters on the dial 2 and the electric power supply to the EL light source 3 are integrated with one another, so that the dial module 1 is formed in a flexible sheet as a whole. Therefore, the number of components can be reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost.
  • the dial module 1 Since the dial module 1 has a flexible sheet-shaped form, it can be applied not only when all of a plurality of meters constructed by the dial 2 has a flat design but also even when a part of a plurality of meters constructed by the dial 2 has a design including some unevenness, thereby improving in the design.
  • FIG. 2 is an exploded perspective view illustrating a meter for a vehicle, which employs the dial module according to the present invention.
  • the meter includes a front glass 5 , frame board 6 , the dial module 1 of the present invention, and casing 7 .
  • the EL light source 3 On a surface of the FPC 4 situated on the rear side of the dial module 1 , there are formed the EL light source 3 and a plurality of connecting terminals (not seen in FIG. 2 because of their positions) for connecting electronic components 8 for carrying out the function of the meters on the dial 2 , wherein the EL light source 3 and the electronic components 8 such as a light-emitting diode (i.e. LED) display element 81 , display module 82 , movement module 83 and connector module 84 are attached to the respective connecting terminals by fixing means such as solder or electrically conductive paste.
  • a light-emitting diode i.e. LED
  • the LED display element 81 includes a light-emitting element 81 a , gold wire 81 b , a lead terminal 81 c connected to the light-emitting element 81 a by the gold wire 81 b for supplying electric power to the light-emitting element 81 a , and an epoxy resin 81 d as a translucent member which is hardened after the light-emitting element 81 a is encapsulated therein.
  • the epoxy resin 81 d is shaped so that a face facing an attaching direction by the lead terminal 81 c becomes a flat emitting surface 81 d 2 while a face opposite to the attaching direction becomes a curved reflecting surface 81 d 1 , which is subjected to a mirror surface processing by plating or vapor deposition with metallic material such as silver or aluminum so as to form a reflecting mirror.
  • the lead terminal 81 c protrudes from the side of the epoxy resin 81 d and is bent toward the emitting surface 81 d 2 . Further, an end 81 c 1 of the lead terminal 81 c is bent so as to be flush with the emitting surface 81 d 2 .
  • the end 81 c 1 is fixed to a connecting terminal as an opposite attaching member of the FPC 4 by fixing means such as solder or electrically conductive paste.
  • the LED display element 81 constructed as described above is a reflection-type LED display element. As shown by arrows in FIG. 3B , the emission from the light-emitting element 81 a is reflected by the reflecting surface 81 d 1 , emitted from the emitting surface 81 d 2 , and forwarded as a parallel ray in the attaching direction to the FPC 4 .
  • FIG. 4 is a partial cross sectional view illustrating a part of the warning display 25 , in which the LED display element 81 is employed.
  • the EL light source 3 situated in the rear of a part where the warning display design part 25 a is formed in the warning display 25 , is provided with an opening 3 a as the first opening.
  • the warning display design part 25 a is subjected to clear coating.
  • the FPC 4 is provided with an opening 4 b as the second opening, which is lined up with the opening 3 a .
  • the LED display element 81 is arranged in the rear of the openings 3 a and 4 b .
  • a lead terminal of the LED display element 81 is attached to a copper foil 4 a as the connecting terminal of the FPC 4 by fixing means such as solder or electrically conductive paste.
  • the emission from the LED display element 81 illuminates the warning display design part 25 a through the openings 4 b and 3 a , thereby providing a warning to a driver of a vehicle.
  • display module 82 includes a printed board 82 a , liquid crystal display (LCD) element 82 b as the display element mounted on the printed board 82 a , driver element 82 c consisting of IC or the like for driving the LCD element 82 b , and connection terminal 82 d formed on the printed board 82 a .
  • the LCD element 82 b and driver element 82 c are connected to each other by a circuit (not shown in the figure) formed on the printed board 82 a and also are connected to the connection terminal 82 d .
  • the connecting terminal 82 d of the display module 82 is attached to the corresponding connecting terminal of the FPC 4 by fixing means such as solder or electrically conductive paste so that the LCD element 82 b is situated at the display window 41 b formed on the FPC 4 .
  • the driver element 82 c for driving the LCD element 82 b is mounted on the side of the display module 82 , therefore the number of components can be reduced. Further, since a space for mounting the driver element 82 c becomes unnecessary at the side of the FPC 4 , therefore the wiring becomes easy.
  • each movement module 83 includes a printed board 83 a , stepper motor 83 b as the movement mounted on one surface of the printed board 83 a , driver element 83 c for driving the stepper motor 83 b and LED element 83 d , both mounted on the opposite surface of the printed board 83 a , and connecting terminal 83 e formed at an end of the printed board 83 a .
  • a rotation shaft 83 b 1 of the stepper motor 83 b protrudes from the opposite side of the printed board 83 a .
  • the connecting terminal 83 e is attached to a corresponding connecting terminal of the FPC 4 by fixing means such as solder.
  • each rotation shaft 83 b 1 penetrates through the corresponding through holes 41 a , 31 b and 21 b , through holes 42 a , 32 a and 22 b , through holes 43 a , 33 a and 23 b or through holes 43 b , 33 b and 24 b of the dial module 1 and then, each needle 83 f arranged on the front surface-side of the dial module 1 is attached to the corresponding rotation shaft 83 b 1 .
  • the driver element 83 c for driving the stepper motor 83 b is mounted on the side of the movement module 83 , therefore the number of components can be reduced. Further, since a space for mounting the driver element 83 c becomes unnecessary at the side of the FPC 4 , therefore the wiring becomes easy.
  • FIG. 7 is a perspective view illustrating another example of the movement module 83 .
  • a positioning pin 83 b - 5 of the stepper motor 83 b is inserted into a positioning hole 83 a 2 formed in the printed board 83 a while a fixing claw 83 b - 4 of the stepper motor 83 b engages with an edge of an attaching hole 83 a 1 of the printed board 83 a , thereby the stepper motor 83 b is fixed to the printed board 83 a .
  • a connecting terminal 83 e formed at an end of the printed board 83 a is extended toward the opposite side of the rotation shaft 83 b 1 and guided by a terminal guide 83 f as a separate member.
  • the movement module 83 can be fixed to an opposite attaching member (not shown in the figure) situated on the opposite side of the rotation shaft 83 b 1 with a hook 83 b - 1 c while the connecting terminal 83 e can be connected to a corresponding connecting terminal (not shown in the figure) on the side of the opposite attaching member.
  • FIG. 8 is a perspective view illustrating a further example of the movement module 83 .
  • the stepper motor 83 b is constructed so that its rotation shaft 83 b 1 extends in the same direction as that of the hook 83 b - 1 c .
  • a terminal guide 83 a 3 is integrally formed extending from an end of the printed board 83 a .
  • the connecting terminal 83 e penetrates through the terminal guide 83 a 3 and is exposed to the same side as that of the rotation shaft 83 b 1 .
  • a positioning pin 83 b - 5 of the stepper motor 83 b is inserted into a positioning hole 83 a 2 formed in the printed board 83 a while a fixing claw 83 b - 4 of the stepper motor 83 b engages with an edge of an attaching hole 83 a 1 of the printed board 83 a , thereby the stepper motor 83 b is fixed to the printed board 83 a .
  • the movement module 83 can be fixed to an opposite attaching member (not shown in the figure) situated on the same side as that of the rotation shaft 83 b 1 with a hook 83 b - 1 c while the connecting terminal 83 e can be connected to a corresponding connecting terminal (not shown in the figure) on the side of the opposite attaching member.
  • the connector module 84 includes: a housing 84 a having a tube part 84 b as the first tube part and a tube part 84 c as the second tube part; a cover 84 f for closing an opening of the tube part 84 c ; a connecting terminal 84 d as the first connecting terminal; and a connecting terminal 84 e as the second connecting terminal.
  • the connecting terminal 84 d is attached so that the connecting terminal 84 d penetrates through the bottom of the tube part 84 b and a part thereof is situated in the tube part 84 b while another part is exposed to the outside of the tube part 84 b .
  • the connecting terminal 84 e is attached so that the connecting terminal 84 e penetrates through the bottom of the tube part 84 c and a part thereof is situated in the tube part 84 c while another part is exposed to the outside of the tube part 84 c .
  • the part of the connecting terminal 84 e situated in the tube part 84 c is a resilient contact part.
  • Each of the other parts of the connecting terminals 84 d and 84 e exposed to the outside of the housing 84 a is attached to the corresponding connecting terminal of the FPC 4 by fixing means such as solder or the like.
  • a wiring harness connector 84 g as an external connector is connected to the connecting terminals 84 d , while a control circuit board 84 h replaceable depending on a type of a vehicle is detachably connected to the resilient contact part of the connecting terminal 84 e in a slot-in manner.
  • the control circuit board 84 h is a circuit board on which electronic components for constructing a meter control circuit that is varied depending on a type of a vehicle are mounted.
  • control circuit board 84 h is mounted on the side of the connector module 84 , therefore the number of components can be reduced. Even when the design of the meter is changed depending on a type of a vehicle, one can respond to it only by replacing the control circuit board 84 h , that is, one can use the connector module usable in common for every type of a vehicle not being affected by a shape of the meter. Further, even when the shape of the connector is different, a common product can be used if the shape of the tube part 84 c is matched. Furthermore, when the specification of the meter control circuit is changed, this change is easily carried out only by replacing the control circuit board 84 h with that of a different specification. For example, when the specification of an engine is changed, when the specification of a tire is changed, and when the capacity of a gasoline tank is changed, the specification can be easily changed only by replacing the control circuit board 84 h.
  • the FPC 4 a space for mounting the electronic components corresponding to the control circuit board 84 h becomes unnecessary, therefore the wiring becomes simple since it can be carried out only by mounting the electronic components common to every type of a vehicle. Since there is the resilient contact part of the connecting terminal 84 e to be connected to the control circuit board 84 h , it is easy to attach or detach the control circuit board 84 h . Since the opening of the tube part 84 c is closed by the cover 84 f , the control circuit board 84 h is prevented from coming off and from being affected by dust.
  • the casing 7 includes recesses 7 a matching with the shape of the dial module 1 and recesses 7 b matching with the unevenness of the electronic components 8 to be mounted on the FPC 4 .
  • the casing 7 fixes the dial module 1 , in which the electronic components 8 are mounted on the FPC 4 , between the frame board 6 and the casing 7 .
  • the dial module 1 since the dial module 1 is employed therein, the number of components can be reduced so that the assembling work of the meter can be facilitated, thereby enabling the improvement in productivity and reduce in cost. Further, it enables to minimize the restriction for designing, to reduce the man-hour for designing a board, and to reduce the number of evaluation as to noise or the like.
  • connection terminal 44 can be used when the additional circuit is necessary or when an optional meter such as an accelerometer or the like is connected thereto depending on a type of a vehicle.
  • an optional meter such as an accelerometer or the like can be attached thereto by inserting a connector (not shown in the figure) of the optional meter from a direction parallel to the plane of the dial 2 .
  • the insertion direction is not perpendicular to the plane of the dial 2 but parallel to the plane, the sheet-shaped dial module 1 is prevented from being applied by an extra load and therefore prevented from being broken, and a space for mounting an additional component can be reduced.
  • the dial module 1 is constructed by forming the dial 2 , EL light source 3 and FPC 4 , which are originally separate from one another, integrally with one another by fixing means such as an adhesive or the like.
  • the dial module may be constructed in such a manner that a front surface of the sheet-shaped EL light source 3 is provided with a dial having a meter design part by printing or the like and the FPC 4 is fixed to a back surface of the EL light source 3 by fixing means such as an adhesive or the like.
  • the FPC 4 and EL light source 3 can be formed in substantially the same shape.
  • the EL light source 3 is made as follows:
  • the EL light source 3 and the FPC 4 made separately are employed so as to complete the manufacture of the dial module 1 as follows:
  • an alternating voltage is applied from an alternating-current source to between the transparent electrode 0 . 302 and the back surface electrode 305 , thereby the light-emitting layer 303 emits the light so that the dial 2 formed on the front surface-side can be illuminated from the back surface-side.
  • the EL light source 3 on which the dial 2 , is applied and the FPC 4 are formed in one piece, thereby the module 1 is constructed as a flexible sheet as a whole. Therefore, the number of components can be reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost.
  • the dial module may be constructed in such a manner that a dial having meter design parts is formed on a front surface of a sheet-shaped EL light source 3 by printing and a FPC 4 is formed on a back surface of the EL light source 3 by printing.
  • an alternating voltage is applied to between the transparent electrode 302 and the back surface electrode 305 , thereby the light-emitting layer 303 emits the light so that the dial 2 formed on the front surface-side can be illuminated from the back surface-side.
  • the dial 2 is formed on the surface-side and the FPC 4 is formed on the back surface-side, thereby the module 1 is constructed as a flexible sheet as a whole. Therefore, the number of components can be further reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost.
  • the dial module may be constructed in such a manner that a sheet-shaped EL light source 3 having a FPC 4 on the back surface thereof is fixed to a back surface of a sheet-shaped dial 2 having meter design parts on a surface thereof by fixing means such as an adhesive so that the emission from the EL light source 3 illuminates the meter design parts of the dial 2 .
  • the dial 2 and the EL light source 3 can be formed in substantially the same shape.
  • the sheet-shaped dial 2 and the sheet-shaped EL light source 3 having the FPC 4 on the back surface thereof are formed in one piece, thereby the module 1 is constructed as a flexible sheet as a whole. Therefore, the number of components can be reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost and enabling to meet with the demand of a plurality of types of vehicle in common.
  • the EL light source 3 in the present invention either of organic and inorganic EL light sources can be employed.
  • the number of components can be reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost.
  • the dial module has a flexible sheet-shaped form, it can be applied not only when all of a plurality of meters constructed by the dial has a flat design but also even when a part of a plurality of meters constructed by the dial has a design including some unevenness, thereby improving in the design and enabling to meet with the demand of a plurality of types of vehicle in common.
  • the manufacturing can be easy.
  • the number of components can be further reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the manufacturing can be easy.
  • the number of components can be further reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the manufacturing can be easy.
  • the number of components can be further reduced so that the assembling work of the meter employing such a dial module can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the dial module can be realized by employing a sheet-shaped electroluminescent light source as the sheet-shaped light source.
  • the dial module With the invention defined in claim 10 , it is possible to easily manufacture the dial module, with which the sheet-shaped light source having the dial and the flexible printed circuit for carrying out the function of the dial are integrally formed.
  • the dial module including the dial and the sheet-shaped light source having the function of the flexible printed circuit for carrying out the function of the dial.
  • the dial module can be realized by employing a sheet-shaped electroluminescent light source as the sheet-shaped light source.
  • the number of components can be reduced so that the assembling work of the meter can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • a space for attaching the light-emitting diode can be reduced since the space can be set to be only its thickness due to the construction of the reflection-type light-emitting diode.
  • the number of components can be reduced so that the assembling work of the meter can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the number of components can be reduced so that the assembling work of the meter employing such a display module can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the display module can be realized by employing a liquid crystal display.
  • the number of components can be reduced so that the assembling work of the meter can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the number of components can be reduced so that the assembling work of the meter employing such a movement module can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the number of components can be reduced so that the assembling work of the meter can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.
  • the number of components can be reduced so that the assembling work of the meter employing such a movement module can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common. Further, it is possible to meet easily a change in the specification.
  • the number of components can be reduced so that the assembling work of the meter can be facilitated, thereby enabling the improvement in productivity and reduce in cost. It is possible to meet with the demand of a plurality of types of vehicle in common.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Instrument Panels (AREA)
  • Details Of Measuring Devices (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Liquid Crystal (AREA)
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  • Electroluminescent Light Sources (AREA)
  • Led Device Packages (AREA)
  • Electromechanical Clocks (AREA)
US10/528,448 2002-09-20 2003-09-19 Dial module, manufacturing method thereof, led display element, display module, movement module, connector module and meter using them Abandoned US20060044778A1 (en)

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US12/219,993 US7699624B2 (en) 2002-09-20 2008-07-31 Dial module and process for manufacturing the same, LED display element, display module, movement module, connector module and meter employing the same
US12/219,975 US7952274B2 (en) 2002-09-20 2008-07-31 Dial module and process for manufacturing the same, LED display element, display module, movement module, connector module and meter employing the same

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PCT/JP2003/012013 WO2004033999A1 (fr) 2002-09-20 2003-09-19 Module de cadrans, son procede de production, element d'affichage a del, module d'affichage, module de mouvements, module connecteur et compteur les utilisant

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US12/219,975 Division US7952274B2 (en) 2002-09-20 2008-07-31 Dial module and process for manufacturing the same, LED display element, display module, movement module, connector module and meter employing the same

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US12/219,993 Expired - Fee Related US7699624B2 (en) 2002-09-20 2008-07-31 Dial module and process for manufacturing the same, LED display element, display module, movement module, connector module and meter employing the same
US12/219,975 Expired - Fee Related US7952274B2 (en) 2002-09-20 2008-07-31 Dial module and process for manufacturing the same, LED display element, display module, movement module, connector module and meter employing the same

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EP (4) EP1541972B1 (fr)
JP (5) JP4414706B2 (fr)
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