CN105824454A - Display device - Google Patents
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- CN105824454A CN105824454A CN201510828553.0A CN201510828553A CN105824454A CN 105824454 A CN105824454 A CN 105824454A CN 201510828553 A CN201510828553 A CN 201510828553A CN 105824454 A CN105824454 A CN 105824454A
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- display device
- installed surface
- housing
- touch panel
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Abstract
A display device can simply and reliably fix a touch panel through bonding and prevent a conductive pattern from disconnection. The display device comprises: a housing (1) having an opening (1a); a display panel (2) received in the housing, and a touch panel (3) fixed to an installation surface (1b) of a front surface of an edge part served as the opening (1a). The touch panel (3) has a structure of a sensor film (5) integrated on a reverse side of a transparent protective board (4), and the conductive pattern (5b) for circuits is arranged at the peripheral edge of the sensor film (5). A mole, namely, a projection part (1d), the front of which is projected, is arranged on the installation surface (1b) of the housing (1). The peripheral edge of the sensor film (5) is bonded to the installation surface (1b) through an adhesive (6). The reverse side, projecting out more than the sensor film (5), of the peripheral edge of the transparent protective board (4) is abutted against the mole (1d).
Description
Technical field
The present invention relates to the display device that the finger by user operates the touch panel mode of display picture on a display panel.
Background technology
In automobile navigation instrument or portable terminal device etc., be widely used use in the display the display floater being made up of LCD etc., by the finger tip of user etc. being directly contacted on the touch panel of the front-surface side being arranged in this display floater, the display device of the selection project etc. specified on display menu screen on a display panel.
As this display device, in the past since known have display floater is stored to have the inside of the housing of rectangular-shaped opening, by touch panel double-sided belt is fixed on the edge front surface of this opening, by touch panel to be configured to the structure (referring for example to patent documentation 1) in the front of display floater exposed from opening.This uses double-sided belt partly to adhere to due to touch panel in the edge front surface of opening, and in remaining non-adhering part, clip the dust-proof liner to the back side of touch panel contiguity, it is possible to prevent the foreign body of rubbish or dust etc. from invading between touch panel and display floater.
Additionally, detection mode as touch panel, known have the various modes such as resistive film mode, electrostatic capacitance mode or ultrasound wave mode, and wherein because the transmitance of light is higher, have the reason of multi-touch function etc., the touch panel of electrostatic capacitance mode have accumulated concern.The touch panel of such electrostatic capacitance mode is constituted at the rear side integrated transducer film of the transparent protection plate being made up of glass etc.; on this sensor film, it is provided with sensor patterns (pattern) layer being combined with X side senser and Y side senser and the conductive pattern of the circuit (wiring) sensor map pattern layer surrounded.
Patent documentation 1: JP 2005-242423 publication
; the edge front surface of the opening of housing is the position adhered to by touch panel; but the maximization of the display picture if over display floater; edge front surface and the width dimensions being pasted onto double-sided belt thereon narrow, then the problem that the sticking strength of to edge front surface sticking operation, double-sided belt is become difficulty problem or double-sided belt declines occurs.
In the case, it is also known that having the method replacing double-sided belt and use bonding agent, particularly, if by gluing robot (sealingrobot) by bonding agent automatic coating, then the edge front surface for narrow edge also is able to adhesive-applying neatly.But, outer edge wiring at the touch panel of coated bonding agent has the superfine conductive pattern formed by photoetching process, if so bonding agent harden after touch panel on effect have impact, then according to the hardness of bonding agent, occur conductive pattern broken string new problem.It addition, such problem is not limited to the touch panel of electrostatic capacitance mode, as long as be provided with the structure of the conductive pattern of circuit (wiring) in outer edge, occur too in the touch panel of other detection modes.
Summary of the invention
The present invention is the situation in view of such conventional art and makes, and its objective is to provide the display device of a kind of broken string that touch panel can be adhesively fixed and be prevented from conductive pattern simply and reliably.
In order to achieve the above object; the display device of the present invention possesses: touch panel; rear side integration at transparent protection plate has sensor film, and this sensor film is provided with the sensor map pattern layer of coordinate measurement and the conductive pattern of the circuit (wiring) by the encirclement of this sensor map pattern layer；Housing, has opening, and fixes above-mentioned touch panel by bonding agent on the installed surface as the edge front surface of this opening；Display floater, is arranged in the rear side of above-mentioned touch panel；The outer peripheral edge of above-mentioned transparent protection plate is projected into than the sensor film more lateral；Above-mentioned display device is configured to; above-mentioned installed surface is provided with the protrusion forwards swelled; the back side of the circumference of the sensor film is bonded on above-mentioned installed surface by above-mentioned bonding agent, and the back side being projected into the outer peripheral edge of above-mentioned transparent protection plate than the sensor film more lateral abuts with above-mentioned protrusion.
In the display device so constituted, by the edge front surface adhesive-applying at the opening being located on housing, integration is adhesively fixed to the installed surface of the edge front surface as opening at the circumference of the sensor film of the rear side of the transparent protection plate of touch panel, but abut with the protrusion being located on installed surface owing to being projected into the back side of the outer peripheral edge of the transparent protection plate than sensor film more lateral, so being accepted by protrusion from the load just applied in the face of touch panel, impulses load at the connecting portion of the conductive pattern on the circumference being located at sensor film and bonding agent can be suppressed.Thereby, it is possible to stop bonding agent to be invaded in conductive pattern by shock loading, it is possible to prevent from resulting from the line-outage contingency of the conductive pattern of the intrusion of bonding agent.
In said structure; as long as it is the most permissible that protrusion is formed as the shape that can load the back side of transparent protection plate; but in the case of the multiple dispersion ribs spread with leaving predetermined distance by the edge along opening at this protrusion are constituted; when the inner side bonding agent at each dispersion rib is continuously coated with in the way of by opening encirclement; even if the foreign body of rubbish or dust etc. is through entering into the front of installed surface each dispersion rib; further invade the most glued dose of prevention, it is possible to the foreign body being reliably prevented rubbish or dust etc. enters between touch panel and display floater.
In the case, if being also coated with bonding agent between adjacent dispersion rib, being then not only the circumference of sensor film, the most glued dose an of part for transparent protection plate is fixed, it is possible to improve the installation strength of the touch panel brought by bonding agent further.
In addition; in said structure; housing is provided with periphery wall that the outer edge from installed surface forwards highlights, in the case of cyclic rib that protrusion is arranged by the inner side at periphery wall with leaving predetermined distance constitutes; owing to the foreign body of the rubbish entered from the gap of the outer peripheral edge of the periphery wall of housing and transparent protection plate or dust etc. is stored into periphery wall and erects between cyclic rib within it; even if so bonding agent is partly applied and discontinuous, it is also possible to suppression foreign body is to the intrusion between touch panel and display floater.
In addition, in said structure, housing is provided with the periphery wall that the outer edge from installed surface forwards highlights, protrusion is the situation of the jetty of the jump shape being connected with installed surface by periphery wall, if the inner side bonding agent at this jetty is continuously coated with in the way of by opening encirclement, then foreign body can be suppressed to the intrusion between touch panel and display floater on the basis of being reliably prevented the line-outage contingency of conductive pattern.
In addition, in said structure, if housing is made up of the formed products of synthetic resin, and concave gate part exposes on the installed surface of this housing, bonding agent is coated in the way of being filled by gate part, then on the basis of in order to make the injection moulding transfiguration of housing be easily set on installed surface by gate part, it is possible to the depression bonding agent of this gate part is filled and makes foreign body not invade between touch panel and display floater.
Touch panel bonding agent can be fixed on the installed surface of housing by the display device of the present invention simply and reliably, and is prevented from the line-outage contingency of the conductive pattern being located on the sensor film of touch panel.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the display device of the 1st embodiment example for the present invention.
Fig. 2 is the plane graph of the housing possessed in the display device.
Fig. 3 is the back view of the touch panel possessed in the display device.
Fig. 4 is the sectional view of this display device corresponding with the position of the IV-IV line along Fig. 2.
Fig. 5 is the sectional view of this display device corresponding with the position of the V-V line along Fig. 2.
Fig. 6 is the plane graph of the housing possessed in the display device of the 2nd embodiment example for the present invention.
Fig. 7 is the plane graph of the housing possessed in the display device of the 3rd embodiment example for the present invention.
Fig. 8 is the sectional view of this display device corresponding with the position of the VIII-Vlll line along Fig. 7.
The explanation of reference
1 housing；1a opening；1b installed surface；1c periphery wall；1d jetty (protrusion)；1e slit；2 display floaters；3 touch panels；4 transparent protection plates；5 sensor films；5a guidance part；5b conductive pattern；6 bonding agents；7 dispersions rib (protrusion)；8 cyclic ribs (protrusion)；G recess (gate part).
Detailed description of the invention
If referring to the drawings the embodiment of invention is illustrated, then as shown in Fig. 1～Fig. 5, on the display floater 2 possess the housing 1 with rectangular-shaped opening 1a about the display device of the 1st embodiment example, being stored in housing 1 and the edge front surface being arranged on opening 1a and be arranged in the touch panel 3 etc. in front of display floater 2.
Housing 1 is made up of the formed products of synthetic resin, the installed surface 1b that edge front surface is touch panel 3 of opening 1a.Remain gate vestiges during injection moulding in the many places of this installed surface 1b as recess G, in the way of by opening 1a encirclement, be formed with periphery wall 1c in the outer edge of installed surface 1b.This periphery wall 1c forwards highlights from installed surface 1b, and periphery wall 1c and installed surface 1b is continuous via the jetty 1d of jump shape.That is, this jetty 1d is the protrusion forwards swelled with specified altitude from installed surface 1b, if with viewed in plan, then jetty 1d is formed as frame-shaped in the way of by opening 1a encirclement.It addition, be provided with the slit 1e of shape of growing crosswise on the installed surface 1b of long side being positioned at opening 1a, at the part in addition to this slit 1e, it is provided with jetty 1d.Additionally, the operating area that a sidepiece of housing 1 is the electronic component loading not shown switch or potentiometer etc., these electronic components can be operated manually by user.
Display floater 2 is made up of LCD or organic EL etc., and by making its front surface expose from the opening 1a of housing 1, the size of the display picture of display on display floater 2 is specified by opening 1a.
Touch panel 3 is the equipment that can detect its coordinate position during the contact of the health particular portion of the finger tip etc. user, in the case of present embodiment example, the change according to the faint electrostatic capacitance occurred when being contacted by the finger of user is used to detect the touch panel 3 being referred to as electrostatic capacitance mode of touch location.
As shown in Figure 3; this touch panel 3 is consisted of the sensor film 5 of the rear side that the transparent protection plate 4 being made up of glass or reinforced plastics and use transparency splicing tape stick to transparent protection plate 4, the guidance part 5a of the prominent banding being formed in the slit 1e being inserted through housing 1 on sensor film 5.Although diagram eliminates, but is provided with the sensor map pattern layer being combined with X side senser and Y side senser on sensor film 5, the electrostatic capacitance between these X sides and Y side senser changes by making finger close, determines touch location by detecting its capacitance variations.Additionally, be provided with a plurality of wiring (circuit) connected to X side and Y side senser on the outer edge of sensor film 5 to use conductive pattern 5b, these conductive patterns 5b is exported to the outside of touch panel 3 via guidance part 5a.It addition, conductive pattern 5b is the metal wiring being made up of ITO etc. formed by photoetching process so that it is live width is the superfine pattern of a few nm magnitude.
Here, the periphery wall 1c of housing 1 is formed as roughly the same with the profile of transparent protection plate 4, is set to roughly the same with the thickness of transparent protection plate 4 to the depth dimensions of the upper surface of jetty 1d from the upper end of periphery wall 1c.Additionally, sensor film 5 is formed smaller than the overall dimensions of transparent protection plate 4, the height dimension of jetty 1d is formed larger than the thickness of sensor film 5.
If illustrated by the operation that the touch panel so constituted 3 is installed to housing 1; after then bonding agent 6 coating being frame-shaped on the installed surface 1b of housing 1 as by the shadow representation of Fig. 2; while the guidance part 5a of sensor film 5 being inserted in slit 1e while transparent protection plate 4 is embedded to the inner side of periphery wall 1c, being projected into of this transparent protection plate 4 is placed on jetty 1d than the part of sensor film 5 more lateral.Thus, the back side of the outer peripheral edge of transparent protection plate 4 is connected on jetty 1d, bonding agent 6 be touched panel 3 deadweight flatten and harden, so by harden bonding agent 6 back side of the circumference of sensor film 5 is adhesively fixed on installed surface 1b.It addition, the coating for the bonding agent 6 of installed surface 1b is carried out by gluing robot, in the recess G for the gate vestiges being exposed on installed surface 1b, it is also coated with bonding agent 6 (with reference to Fig. 5).
Here, owing to being provided with conductive pattern 5b on the outer edge of sensor film 5, so as represented in the double dot dash line of Fig. 3, bonding agent 6 hardens when being also applied on conductive pattern 5b.As a result, as shown in Figure 4 and Figure 5, touch panel 3 is, when make to be projected into be connected on jetty 1d than the back side of the transparent protection plate 4 of sensor film 5 more lateral, will be adhesively fixed on installed surface 1b with the circumference of sensor film 5 of transparent protection plate 4 one.Thus; by the touch operation of user etc. from just in the case of touch panel 3 is applied with load; the jetty 1d that this load is connected on transparent protection plate 4 accepts (stop) and does not acts on sensor film 5, makes it break it is possible to stop the bonding agent 6 after hardening to invade in the conductive pattern 5b on the circumference being located at sensor film 5.
As described above, in the display device about the 1st embodiment example, by bonding agent 6 being coated on the installed surface 1b of the edge front surface of the opening 1a being located on housing 1, integration is adhesively fixed on installed surface 1b at the circumference of the sensor film 5 of the rear side of the transparent protection plate 4 of touch panel 3, but it is connected to from the jetty 1d that installed surface 1b forwards swells than the back side of the transparent protection plate 4 of sensor film 5 more lateral owing to being projected into, so being accepted by jetty 1d from the load just applied in the face of touch panel 3 and being not delivered to sensor film 5, it is prevented from being located at the line-outage contingency of the conductive pattern 5b of the circumference of sensor film 5.
In addition; housing 1 has the periphery wall 1c forwards highlighted from the outer edge of installed surface 1b; owing to this periphery wall 1c and installed surface 1b is connected via the jetty 1d of the jump shape as protrusion; and on the installed surface 1b of the inner side of jetty 1d, in the way of by opening 1a encirclement, it is coated with bonding agent 6 continuously; so even if the foreign body of rubbish or dust etc. enters installed surface 1b from the gap of the periphery wall 1c of housing 1 with the outer peripheral edge of transparent protection plate 4 through jetty 1d, this foreign body stops the front without invading display floater 2 for the most glued dose 6.Thus, it is possible to preventing from resulting from the intrusion of bonding agent 6 and on the basis of the line-outage contingency of conductive pattern 5b, the foreign body of suppression dust etc. invades between touch panel 3 and display floater 2.
In addition, installed surface 1b by the housing 1 of forming synthetic resin remains gate vestiges as recess G, but owing to being coated with bonding agent 6 on installed surface 1b to be filled by this recess G, so on the basis of the injection moulding transfiguration easily that cast gate is set to make on installed surface 1b housing 1, it is possible to prevent the foreign body of dust etc. from invading through the depression (recess G) as gate vestiges to the front of display floater 2.
Then, if illustrated the display device about the 2nd embodiment example with reference to Fig. 6, then this display device is provided with multiple dispersion rib 7 as the protrusion forwards swelled from the installed surface 1b of housing 1, and the structure beyond it is substantially the same with the 1st embodiment example.
That is, in the inner side of periphery wall 1c of housing 1, being provided with dispersion rib 7 at multiple positions of the corner part including 4 jiaos, these dispersion ribs 7 spread along the edge of opening 1a with having predetermined distance.The height of dispersion rib 7 and the jetty 1d of the 1st embodiment example are identical, as shown in the shade of Fig. 6, are being coated with bonding agent 6 with frame-shaped than on dispersion rib 7 installed surface 1b in the inner part in the way of by opening 1a encirclement.
In the display device of relevant 2nd embodiment example so constituted, it is connected on each dispersion rib 7, so also being able to play the effect as above-mentioned 1st embodiment example owing to being projected into the transparent protection plate 4 in outside from the sensor film 5 of touch panel 3.It addition, the dispersion forming part of rib 7, quantity or size can suitably change, such as, the dispersion rib of elongated shape can also be set for central part inside 4 limits of periphery wall 1c or corner part.In addition it is also possible to not only bonding agent 6 to be coated to the inside region of the installed surface 1b corresponding with the circumference of sensor film 5, and it is also coated with between each dispersion rib 7.In the case, fix, it is possible to improve the installation strength of the touch panel 3 brought by bonding agent 6 further also by bonding agent 6 due to the circumference of sensor film 5 and a part for transparent protection plate 4.
Then, if the display device about the 3rd embodiment example is illustrated with reference to Fig. 7 and Fig. 8, then this display device is provided with cyclic rib 8 as the protrusion forwards swelled from the installed surface 1b of housing 1, and the structure beyond it is substantially the same with the 1st embodiment example or the 2nd embodiment example.
That is, the inner side at the periphery wall 1c of housing 1 is provided with and leaves predetermined distance and opposed with frame-shaped continuous print cyclic rib 8, these periphery walls 1c and cyclic rib 8.The height of cyclic rib 8 and the dispersion rib 7 of the jetty 1d of the 1st embodiment example or the 2nd embodiment example are identical, as shown in the shade of Fig. 7, are being coated with bonding agent 6 with frame-shaped than on cyclic rib 8 installed surface 1b in the inner part in the way of by opening 1a encirclement.
In the display device of relevant 3rd embodiment example so constituted, it is connected on cyclic rib 8, it is possible to play the effect as above-mentioned 1st and the 2nd embodiment example owing to being projected into the transparent protection plate 4 in outside from the sensor film 5 of touch panel 3.In addition; owing to the foreign body of the rubbish entered from the gap of the outer peripheral edge of the periphery wall 1c of housing 1 and transparent protection plate 4 or dust etc. is stockpiled to periphery wall 1c and erects cyclic rib 8 within it; so the bonding agent 6 being used for being adhesively fixed the circumference of sensor film 5 can also apply as frame-shaped; even if bonding agent 6 being separated predetermined distance and partly applying, it is also possible to the foreign body of suppression dust etc. invades between touch panel 3 and display floater 2.
Additionally, in the respective embodiments described above example, the situation of the touch panel using electrostatic capacitance mode is illustrated, but as long as being the structure of the conductive pattern being provided with circuit in the outer edge of sensor film, it is possible to use be different from the touch panel of the detection mode of electrostatic capacitance mode.
Claims (6)
1. a display device, possesses: touch panel, and the rear side integration at transparent protection plate has sensor film, and this sensor film is provided with the sensor map pattern layer of coordinate measurement and the conductive pattern of the circuit by the encirclement of this sensor map pattern layer；Housing, has opening, and fixes above-mentioned touch panel by bonding agent on the installed surface as the edge front surface of this opening；And display floater, it is arranged in the rear side of above-mentioned touch panel；The outer peripheral edge of above-mentioned transparent protection plate is projected into than the sensor film more lateral；Above-mentioned display device is characterised by,
Above-mentioned installed surface is provided with the protrusion forwards swelled; the back side of the circumference of the sensor film is bonded on above-mentioned installed surface by above-mentioned bonding agent, and the back side being projected into the outer peripheral edge of above-mentioned transparent protection plate than the sensor film more lateral abuts with above-mentioned protrusion.
2. display device as claimed in claim 1, it is characterised in that
Multiple dispersion ribs that above-mentioned protrusion is spread by the edge along above-mentioned opening with leaving predetermined distance are constituted, and respectively disperse the above-mentioned bonding agent in inner side of rib to be continuously coated with in the way of being surrounded by above-mentioned opening at these.
3. display device as claimed in claim 2, it is characterised in that
Above-mentioned bonding agent is also applied between adjacent above-mentioned dispersion rib.
4. display device as claimed in claim 1, it is characterised in that
Being provided with the periphery wall forwards highlighted from the outer edge of above-mentioned installed surface on above-mentioned housing, the cyclic rib that above-mentioned protrusion is arranged by the inner side at above-mentioned periphery wall with leaving predetermined distance is constituted.
5. display device as claimed in claim 1, it is characterised in that
Above-mentioned housing is provided with the periphery wall forwards highlighted from the outer edge of above-mentioned installed surface, above-mentioned protrusion is the jetty of the jump shape being connected with above-mentioned installed surface by above-mentioned periphery wall, and is continuously coated with in the way of being surrounded by above-mentioned opening at the above-mentioned bonding agent in the inner side of this jetty.
6. display device as claimed in claim 1, it is characterised in that
Above-mentioned housing is made up of the formed products of synthetic resin, and exposes at the above-mentioned installed surface of this housing and have concave gate part, and above-mentioned bonding agent is coated in the way of being filled by above-mentioned gate part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-014479 | 2015-01-28 | ||
| JP2015014479A JP2016139318A (en) | 2015-01-28 | 2015-01-28 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105824454A true CN105824454A (en) | 2016-08-03 |
Family
ID=56514609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510828553.0A Pending CN105824454A (en) | 2015-01-28 | 2015-11-25 | Display device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2016139318A (en) |
| CN (1) | CN105824454A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7011155B2 (en) * | 2017-11-02 | 2022-02-10 | Ｔｉａｎｍａ Ｊａｐａｎ株式会社 | Panel module and display device |
| JP7484833B2 (en) | 2021-07-06 | 2024-05-16 | 株式会社デンソー | Display device |
| JP7068600B1 (en) | 2021-11-25 | 2022-05-17 | 富士通クライアントコンピューティング株式会社 | Tablet PC |
| WO2024096362A1 (en) * | 2022-10-31 | 2024-05-10 | 삼성전자 주식회사 | Waterproof structure and electronic device comprising same |
-
2015
- 2015-01-28 JP JP2015014479A patent/JP2016139318A/en active Pending
- 2015-11-25 CN CN201510828553.0A patent/CN105824454A/en active Pending
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| Publication number | Publication date |
|---|---|
| JP2016139318A (en) | 2016-08-04 |
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Application publication date: 20160803 |