WO2008100775A1 - Clip for maintaining connection with electrical tail - Google Patents
Clip for maintaining connection with electrical tail Download PDFInfo
- Publication number
- WO2008100775A1 WO2008100775A1 PCT/US2008/053296 US2008053296W WO2008100775A1 WO 2008100775 A1 WO2008100775 A1 WO 2008100775A1 US 2008053296 W US2008053296 W US 2008053296W WO 2008100775 A1 WO2008100775 A1 WO 2008100775A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tail
- clip
- tabs
- sensor
- assembly
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
-
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B99/00—Subject matter not provided for in other groups of this subclass
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1607—Arrangements to support accessories mechanically attached to the display housing
-
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/778—Coupling parts carrying sockets, clips or analogous counter-contacts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/44—Clasp, clip, support-clamp, or required component thereof
- Y10T24/44641—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member
- Y10T24/44769—Opposed engaging faces on gripping member formed from single piece of resilient material
- Y10T24/44923—Clasp, clip, or support-clamp cut or shaped from a single sheet of resilient, uniformly thick, planar material
Definitions
- the present invention relates generally to mechanical clips for maintaining electrical connections, particularly electrical connections between a touch sensor device and a flat electrica tail.
- Touch screens function by generating signals based on a touch input, and communicating those signals to control electronics so that information about the touch input can be determined.
- the communications link between the touch screen sensor and the electronics is typically a flexible tail that is bonded on one end to the sensor and mechanically connected on the other end to a controller board. The bond between the tail and the sensor can be strained during shipping and handling of the sensor, during installation of the sensor, and over time due to normal use, wear and tear, and maintenance activities.
- the present disclosure provides a mechanical clip for securing an electrical tail to an electronic device, and assemblies that include an electronic device, an electrical tail attached to the device, and a mechanical clip installed over the tail and the device.
- the present disclosure provides an assembly that includes a flexible electrical tail having one or more tail contact pads in electrical contact with signal leads on a touch screen sensor.
- the assembly further includes a mechanical clip installed over the electrical tail and the touch screen sensor for applying pressure to help maintain the electrical contact between the tail contact pads and the sensor signal leads.
- the mechanical clip has one or more pressure tabs engaging the electrical tail, one or more retention tabs opposing the one or more pressure tabs and engaging a side of the sensor opposite the tail connection, a vertical support section separating the one or more pressure tabs from the one or more retention tabs at a distance sufficient to cause at least some deflection of the clip when installed over the tail and the sensor, and an opening that allows the tail to pass through the clip without being engaged by the one or more retention tabs.
- FIG. 1 is a schematic top view of an electronic device such as a touch sensor screen that includes an attached electrical tail;
- FIGs. 2A and 2B are different perspective views of electronic tail clips in accordance with the present disclosure.
- FIG. 3 is a schematic top view of a clip installed over an electronic tail attached to a device in accordance with the present disclosure
- FIG. 4 is a schematic side view of a clip installed over an electronic tail attached to a device in accordance with the present disclosure
- FIG. 5 is a perspective view of an alternative tail clip in accordance with the present disclosure.
- FIG. 6 is a perspective view of an alternative tail clip in accordance with the present disclosure.
- FIG. 7 is a perspective view of an alternative tail clip in accordance with the present disclosure.
- FIGs. 8A and 8B are schematic top and bottom views, respectively, of a clip installed over an electronic tail attached to a device in accordance with the present disclosure.
- the present disclosure is generally directed to mechanical devices, and assemblies having mechanical devices, for maintaining and/or increasing the robustness of an electrical connection interface between an electrical tail and an electronic device such as a touch screen sensor.
- the mechanical devices of the present disclosure referred to as clips, help maintain the electrical connection between the tail and the touch screen through a spring force caused by a deflection of the clip upon installation.
- the clips include tabs for engaging the tail and upper side of the sensor (along with any other components such as optional tail strain relief structures) and tabs for engaging the bottom side of the sensor, where the distance between these sets of tabs is selected to achieve a desired amount of clip deflection, and therefore a desired amount of connection- maintaining pressure, upon installation of the clip.
- FIG. 1 shows a touch sensor 100 that includes a touch sensitive screen 110 and an electrical tail 120 connected to the touch sensitive screen 110.
- the electrical tail 120 can be used to communicate signals between the touch sensitive screen 110 and controller electronics (not shown) so that information related to touch inputs on the screen 110 can be determined.
- the touch sensitive screen includes multiple signal lines (not shown), for example one signal line running to each corner of the screen. The signal lines are connected to contact pads (not shown) located near one edge of the screen.
- the electrical tail 120 includes contact pads 122 arranged to coincide with the contact pads on the screen when the tail is properly positioned. Conductors 124 such as wires connect the contact pads 122 of the tail 120 to a connector 126 that can be coupled to controller electronics or to a device that houses controller electronics.
- the tail 120 is flexible, and in many embodiments is formed from a flat ribbon cable or other flat flexible configuration such as copper wires printed on a polyimide film.
- the tail 120 can be bonded or adhered to screen 110 through any suitable means including conductive epoxies or adhesives (including z-axis conductive adhesives), soldering, welding, or the like. Even without using a bonding method or medium, tail clips of the present disclosure can be used to maintain the connection of the tail 120 to the screen 110.
- the tail 120 is positioned and adhered to the screen 110, and then a tail clip of the present disclosure is installed to help maintain the connection and/or to help relieve stresses to the tail that could otherwise damage the tail or its connection to the touch screen.
- the touch sensor screen 110 can be any touch sensitive device that includes leads for communicating signals to and from controller electronics through the electronic tail.
- the touch screen 110 is meant to be mounted over a display so that the display is viewable through the screen 110.
- the tail 120 is generally connected along an edge of the screen in a border region that extends beyond the display viewing area, and that is typically covered by a frame or bezel.
- FIGs. 2A and 2B show perspective views of a tail clip 230 according to the present disclosure.
- Tail clip 230 includes a pressure tab 232 for contacting and biasing the tail against the contact pads of the touch screen, retention tabs 234 for engaging the opposite side of the touch screen so that the clip remains in place, a vertical web portion 233 supporting and vertically separating the pressure tab from the retention tabs, and a tail cutout 236 that is sized and positioned to allow passage of the tail when the clip is properly aligned.
- the width of the cutout region 236 can also be sized to help ensure proper alignment of the retention tab. That is, when the tail is properly inserted, the pressure tab should reside directly over the tail/screen interface.
- Either or both of the pressure tab and retention tab(s) can be provided with a curvature that facilitates attaching the clip to the screen and tail, as can be seen in FIGs. 2A and 2B.
- Various properties of the clip can be selected to provide the desired contact maintenance force.
- the clip essentially acts as a spring system, applying pressure (force) to the screen/tail connection by the deflection of the pressure tab(s) through a given distance. The greater the deflection of the pressure tab(s), the greater the force applied. If the force/deflection relationship is known, the design of the clip can be adjusted to supply a desired amount of force.
- each of the components of the clip i.e., the pressure tab(s), the retention tab(s), and the vertical support
- experience a small amount of deflection thus providing a corresponding spring force, the sum of which is directed to the sensor/tail connection.
- amount of deflection upon installation there are other factors that relate to the amount of force that the clip will generate.
- One additional factor is the geometrical shape of the clip, particularly the vertical support portion. By changing the shape of the vertical support, its stiffness can be altered, thereby providing either more or less spring force.
- Other additional factors include the type and thickness of the clip material. For example, increasing the thickness of the clip in the vertical support region increases the spring constant, and therefore increases the force.
- FIG. 3 is a partial top view of a clip 330 of the present disclosure installed over an electrical tail 320 attached to a touch sensor screen 310.
- the pressure tab 332 of the clip 330 covers the area where the tail 320 is attached to the sensor 310.
- the retention tabs 334 contact the under side of the sensor 310, and thus are shown in dashed lines.
- the vertical separation between the retention tabs and the pressure tab is selected so that when the clip is installed as shown in FIG. 3, there is at least a small amount of deflection in the clip that caused the pressure tab to exert a force in the interfacial area between the tail and the sensor, thus making the connection more robust.
- FIG. 4 is a partial side view of a clip 430 of the present disclosure installed over an electrical tail 420 attached to a touch sensor screen 410.
- the tail 420 includes a contact pad 422 that is in electrical contact with a corresponding contact pad 412 disposed on the sensor 410.
- the retention tab 434 and the pressure tab 432 have been provided with some curvature, which is an optional design choice that can make installation easier.
- the vertical support portion 433 will experience some deflection, even though deflection of the vertical support is not indicated in the drawing.
- the tail 420 passes through the tail cutout 436, which is positioned near the bottom of the clip 430.
- clip designs having the tail cutout near the bottom of the clip may require that the tail make at least one and often two 90° turns. While this can stress the electrical leads in the tail, many flexible tails can more than withstand this type of bending, and the clip itself helps to stabilize the tail in this configuration so that any external forces acting on the tail will be unlikely to stress the tail/sensor connection.
- FIG. 5 shows another clip 530 according to the present disclosure.
- Clip 530 includes a segmented pressure tab portion that includes four tabs, two inner pressure tabs 5321 and two outer pressure tabs 5320. The number, size and placement of pressure tab segments can be selected to correspond to the number, size and placement of contact pad connections that are made between the tail and the sensor. Such a segmented clip design can help accommodate non-uniformities in the tail connection by allowing each pressure tab segment to individually reinforce the individual contact pad connections.
- Clip 530 also includes pointed retention clips 534 that can be designed to pierce a mounting gasket, often used to adhere the periphery of the back of the sensor to a frame of an electronic display assembly. This can be useful in circumstances where it is desired or anticipated that the clip will be installed after the touch sensor screen is mounted, for example when reinforcing sensor tail connections in the field.
- FIG. 6 shows a clip 630 according to the present disclosure where the tail cutout 636 is a slot in the vertical support 633 near the top of the clip and just below the pressure tab 632, rather than being located near the bottom of the clip as in FIGs. 2A, 2B, 3, 4 and 5.
- the retention tab 634 can extend across the entire bottom of the clip 630, which can help provide more uniform pressure across the retention tab 632. Locating the tail cutout near the top of the clip can avoid the need to subject the tail to right angle turns.
- the tail may need to be threaded through the slot 636 prior to bonding the tail to the sensor, and so it may not be practical to use such a clip design when it is intended for field maintenance work.
- FIG. 7 shows a clip 730 similar to the clip shown in FIG. 6 except that clip 730 includes a gap 738 oriented vertically in the vertical support 733.
- the gap 738 may allow a pre -installed tail to be threaded into the tail cutout slot 736.
- Clip 730 includes a pressure tab 732 and a retention tab 734 that is similar to the clip shown in FIG. 6 except that the retention tab 734 is separated by the access gap 738.
- FIGs. 8A and 8B show a clip 830 installed over an electrical tail 820 bonded to a touch sensor screen 810.
- the tail 820 has four contact pads (not visible in the drawing) that are electrically connected to four contact pads on the sensor (sensor contacts also not visible).
- the clip 830 has four segmented pressure tabs, including two outer pressure tabs 8320 and two inner pressure tabs 8321. The segmented pressure tabs are each sized and located to apply pressure directly to one of the individual tail/sensor electrical connections.
- Clip 830 also has two pointed retention tabs 834 on the reverse side of the clip, as can be seen in FIG. 8B.
- the retention tables 834 are flat and flush with the bottom side of the sensor screen 810.
- a clip similar to that shown in FIG. 5 can be made by cutting and bending 0.013 inch thick nickel alloy (for example, Inconel alloy X-750), and heat treating in accordance with the AMS 5598 annealing procedure to a final Rockwell hardness of C34 to C38.
- a sensor/tail stack-up thickness that averages about 0.145 inches with a minimum thickness of about 0.140 inches
- such a clip can be made where the closest distance between the pressure tabs and the retention tabs is about 0.135 inches. This provides sufficient deflection even at the minimum sensor/tail stack-up thickness so that the spring action of the clip produces a desired pressure.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Clamps And Clips (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08729274.4A EP2111672A4 (en) | 2007-02-09 | 2008-02-07 | Clip for maintaining connection with electrical tail |
CN2008800034621A CN101595604B (en) | 2007-02-09 | 2008-02-07 | Clip for maintaining connection with electrical tail |
JP2009549235A JP5129272B2 (en) | 2007-02-09 | 2008-02-07 | Clip to maintain electrical tail connection |
KR1020097017663A KR20090108098A (en) | 2007-02-09 | 2008-02-07 | Clip for maintaining connection with electrical tail |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88902007P | 2007-02-09 | 2007-02-09 | |
US60/889,020 | 2007-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008100775A1 true WO2008100775A1 (en) | 2008-08-21 |
Family
ID=39684607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/053296 WO2008100775A1 (en) | 2007-02-09 | 2008-02-07 | Clip for maintaining connection with electrical tail |
Country Status (7)
Country | Link |
---|---|
US (1) | US7850461B2 (en) |
EP (1) | EP2111672A4 (en) |
JP (1) | JP5129272B2 (en) |
KR (1) | KR20090108098A (en) |
CN (1) | CN101595604B (en) |
TW (1) | TW200843618A (en) |
WO (1) | WO2008100775A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8373664B2 (en) * | 2006-12-18 | 2013-02-12 | Cypress Semiconductor Corporation | Two circuit board touch-sensor device |
US9456665B2 (en) * | 2013-12-06 | 2016-10-04 | Oliver Eugene Stubblefield | Folded clothing clip holder |
CN105221898A (en) * | 2015-10-21 | 2016-01-06 | 阳玉芳 | A kind of support for supporting mobile phone and panel computer |
CN111405743B (en) * | 2019-01-03 | 2023-09-05 | 新科实业有限公司 | Suspension assembly of optical image stabilizer |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06283236A (en) * | 1993-03-26 | 1994-10-07 | Sony Corp | Terminal part protecting clip for flexible flat cable |
JP2001143793A (en) * | 1999-11-11 | 2001-05-25 | Auto Network Gijutsu Kenkyusho:Kk | Structure for connecting flat cable to printed circuit board and connector clip |
JP2001143784A (en) * | 1999-11-11 | 2001-05-25 | Auto Network Gijutsu Kenkyusho:Kk | Flat wiring material retaining clip, and structure for connecting flat wiring to circuit board using the same |
JP2001283955A (en) * | 2000-04-04 | 2001-10-12 | Rohm Co Ltd | Electrical connection structure for circuit board and flexible flat cable |
JP2001313106A (en) * | 2000-04-28 | 2001-11-09 | Sumitomo Wiring Syst Ltd | Connecting structure of circuit board |
JP2001313105A (en) * | 2000-04-28 | 2001-11-09 | Sumitomo Wiring Syst Ltd | Connecting clip of circuit board and connection structure of circuit board |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US4019798A (en) * | 1976-03-24 | 1977-04-26 | Owens-Illinois, Inc. | Flexible electrical circuit connections |
DE3245521C2 (en) * | 1982-12-09 | 1986-05-07 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Multipole edge connector strip |
FR2562334B1 (en) * | 1984-03-30 | 1986-12-19 | Boussois Sa | CONNECTION OF AN ELECTRICAL CIRCUIT ON A RIGID SUPPORT WITH AN ELECTRICAL CIRCUIT ON AT LEAST ONE FLEXIBLE SUPPORT |
US5462441A (en) * | 1994-05-27 | 1995-10-31 | Renn; Robert M. | Low profile electrical connector |
US6123551A (en) * | 1998-10-06 | 2000-09-26 | Northern Telecom Limited | Electronic circuit interconnection method and apparatus |
WO2000065692A1 (en) * | 1999-04-23 | 2000-11-02 | Microtronic A/S | Connector and method for establishing solderfree connections between a rigid main pcb and associated conductors |
TW588478B (en) * | 1999-09-16 | 2004-05-21 | Shinetsu Polymer Co | Method for electrically connecting two sets of electrode terminals in array on electronic board units |
JP2003288166A (en) * | 2002-03-27 | 2003-10-10 | Fujitsu Component Ltd | Connection structure between touch panel and external lead wire |
CN101238244B (en) * | 2005-01-24 | 2011-03-30 | 株式会社昭和 | Process for producing crystalline titanium oxide coating film through electrolytic anodizing |
-
2008
- 2008-02-07 WO PCT/US2008/053296 patent/WO2008100775A1/en active Application Filing
- 2008-02-07 EP EP08729274.4A patent/EP2111672A4/en not_active Withdrawn
- 2008-02-07 JP JP2009549235A patent/JP5129272B2/en not_active Expired - Fee Related
- 2008-02-07 US US12/027,630 patent/US7850461B2/en not_active Expired - Fee Related
- 2008-02-07 CN CN2008800034621A patent/CN101595604B/en not_active Expired - Fee Related
- 2008-02-07 KR KR1020097017663A patent/KR20090108098A/en not_active Application Discontinuation
- 2008-02-12 TW TW097104863A patent/TW200843618A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06283236A (en) * | 1993-03-26 | 1994-10-07 | Sony Corp | Terminal part protecting clip for flexible flat cable |
JP2001143793A (en) * | 1999-11-11 | 2001-05-25 | Auto Network Gijutsu Kenkyusho:Kk | Structure for connecting flat cable to printed circuit board and connector clip |
JP2001143784A (en) * | 1999-11-11 | 2001-05-25 | Auto Network Gijutsu Kenkyusho:Kk | Flat wiring material retaining clip, and structure for connecting flat wiring to circuit board using the same |
JP2001283955A (en) * | 2000-04-04 | 2001-10-12 | Rohm Co Ltd | Electrical connection structure for circuit board and flexible flat cable |
JP2001313106A (en) * | 2000-04-28 | 2001-11-09 | Sumitomo Wiring Syst Ltd | Connecting structure of circuit board |
JP2001313105A (en) * | 2000-04-28 | 2001-11-09 | Sumitomo Wiring Syst Ltd | Connecting clip of circuit board and connection structure of circuit board |
Non-Patent Citations (1)
Title |
---|
See also references of EP2111672A4 * |
Also Published As
Publication number | Publication date |
---|---|
US7850461B2 (en) | 2010-12-14 |
EP2111672A1 (en) | 2009-10-28 |
US20080189919A1 (en) | 2008-08-14 |
EP2111672A4 (en) | 2013-04-17 |
CN101595604A (en) | 2009-12-02 |
TW200843618A (en) | 2008-11-01 |
KR20090108098A (en) | 2009-10-14 |
JP2010518584A (en) | 2010-05-27 |
CN101595604B (en) | 2012-09-05 |
JP5129272B2 (en) | 2013-01-30 |
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