CN202013565U - Electromagnetic touch-control display device - Google Patents

Electromagnetic touch-control display device Download PDF

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Publication number
CN202013565U
CN202013565U CN2011201016441U CN201120101644U CN202013565U CN 202013565 U CN202013565 U CN 202013565U CN 2011201016441 U CN2011201016441 U CN 2011201016441U CN 201120101644 U CN201120101644 U CN 201120101644U CN 202013565 U CN202013565 U CN 202013565U
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China
Prior art keywords
electromagnetic touch
control
panel
display device
touch
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Expired - Fee Related
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CN2011201016441U
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Chinese (zh)
Inventor
余祥文
林金勇
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CPTF Visual Display Fuzhou Ltd
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CPTF Visual Display Fuzhou Ltd
Chunghwa Picture Tubes Ltd
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Priority to CN2011201016441U priority Critical patent/CN202013565U/en
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Abstract

The utility model relates to an electromagnetic touch-control display device comprising an electromagnetic touch panel, a display panel, and an insulating outer frame, wherein the insulating outer frame coats the bottom and the lateral surface of the electromagnetic touch panel, also coats the lateral surface of the display panel and extends to the periphery of the upper surface of the display panel, and the insulating outer frame adopts an integrally formed structure. By adopting the integrally formed insulating outer frame, the assembly is accelerated and the probability of induction error of electromagnetic signals at the edge of the display panel is lower.

Description

The electromagnetic touch-control display device
Technical field
The utility model relates to a kind of electromagnetic touch-control display device, refers to a kind of electromagnetic touch-control display device with integrated dielectric moldings especially.
Background technology
Touch panel extensively is used in the daily life at present, because of its processing ease and interactive advantages of higher, thereby widely the consumer accepts, and for example is widely used on the electronic products such as mobile phone, mobile computer, Tablet PC (tablet PC), translation machine.Touch panel can be divided into resistance-type, condenser type, optical profile type, acoustic wave and electromagnetic type haply according to the design concept of its detecting position of touch.Wherein the electromagnetic touch-control panel mainly comprises three assemblies: (1). numerical digit antenna plate (sensor board); (2). contain the circuit control panel (controller board) of ASIC; And (3). the pressure sensitivity time writer.Be furnished with the circuit that is divided into the X-axis Y-axis and intermeshes on the numerical digit antenna plate, when the pressure sensitivity time writer that includes resonant circuit (resonant circuit) during near contact panel, can cause the variation in the magnetic field on the numerical digit antenna plate, this moment, the electromagnetic touch-control panel can go out pressure sensitivity time writer position according to the change calculations of this magnetic flux, and just the position takes place touch-control.
Generally speaking, for showing in conjunction with image and the function of touch-control sensing that known electromagnetic type liquid crystal touch control device need use two independent metal frame assembling display panels, backlight module and electromagnetic touch-control panels.Because the housing of known electromagnetic type liquid crystal touch control device is made of jointly two independent metal outer frame, in assembling process, need to consider problems such as contraposition and parts use, fit on is comparatively complicated, increase the assembling process required time, and the electromagnetic induction signal is subjected to the interference of metal assembly easily, causes the bad performance of degradation under the not good and sensor signal fiduciary level of the as easy as rolling off a log generation touch-control of the intersection sensitivity of display panels and metal outer frame.For avoiding this type of induction mistake, can increase the area of electromagnetic touch-control panel, just increase the circuit number on the electromagnetic touch-control panel, to strengthen the interference that the electromagnetic induction signal overcomes metal assembly, yet, this practice will make the increase of electromagnetic touch-control liquid crystal panel volume, cost increase and reduce the client design space, can't reach the consumer to the compact requirement of novel electron product.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of electromagnetic touch-control display device, and it utilizes integrated dielectric moldings to accelerate assembling speed and reduces the generation probability of electromagnetic riveting machine signal in the induction mistake at display panel edge.
To achieve these goals, the technical solution of the utility model is: a kind of electromagnetic touch-control display device, it is characterized in that, and comprising: an electromagnetic touch-control panel; One display panel is arranged on this electromagnetic touch-control panel; And a dielectric moldings, coat the bottom and the side surface of this electromagnetic touch-control panel, and coat the side surface of this display panel and extend to this display panel upper surface around, the structure that is formed in one of this dielectric moldings wherein.
Further, wherein this dielectric moldings is a collapsible material.
Further, more comprise an electromagnetic induction device, in order to carry out the touch-control input.
Further, wherein this display panel comprises a display panels.
Further, other comprises a backlight module, be arranged between this display panels and this electromagnetic touch-control panel, and this backlight module comprises: a light guide plate; One light source generator is arranged at least one side of this light guide plate; At least one blooming piece is arranged between this light guide plate and this display panels; And a reflector plate, be arranged between this light guide plate and this electromagnetic touch-control panel.
Further, wherein this reflector plate is the surface that is arranged at this electromagnetic touch-control panel.
Compared with prior art, the utlity model has following advantage: the setting of one-body molded dielectric moldings of the present utility model, can reduce using and reducing the complicated degree of contraposition in the non-integrated housing assembling process and accelerate assembling speed of metal parts in the electromagnetic touch-control display device assembling process, in addition, do not comprise any conductive material in the dielectric moldings, for example metal can reduce the display panel edge disturbs the induction mistake that is caused because of the housing metal assembly generation probability.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the electromagnetic touch-control display device of the utility model one preferred embodiment.
Fig. 2 is the diagrammatic cross-section of the electromagnetic touch-control liquid crystal indicator of another preferred embodiment of the utility model.
Fig. 3 is the dielectric moldings stretch-out view of the electromagnetic touch-control display device of the utility model one preferred embodiment.
Fig. 4 is the assembling synoptic diagram of the electromagnetic touch-control display device of the utility model one preferred embodiment.
Fig. 5 finishes synoptic diagram for the assembling of the electromagnetic touch-control display device of the utility model one preferred embodiment.
[primary clustering symbol description]
Figure 22762DEST_PATH_IMAGE001
Embodiment
Below in conjunction with Figure of description the utility model is described further.
Please refer to Fig. 1, Fig. 1 is the synoptic diagram of the electromagnetic touch-control display device of a preferred embodiment of the present utility model.As shown in Figure 1, the electromagnetic touch-control display device 10 of present embodiment comprises a display panel 11, an electromagnetic touch-control panel 12, a pressure sensitivity time writer 13 and a dielectric moldings 14.Electromagnetic touch-control panel 12 can according to pressure sensitivity time writer 13 near or calculate touch-control away from the magnetic flux change that display panel 11 causes the position take place.Display panel 11 is arranged on the electromagnetic touch-control panel 12, in order to show image to be provided.Dielectric moldings 14 coats bottom 12B and the side surface 12S of electromagnetic touch-control panels 12, and coat the side surface 11S of display panel 11 and extend to display panel 11 upper surface 11T around, in order to assemble display panel 11 and electromagnetic touch-control panel 12.In the present embodiment, dielectric moldings 14 is one collapsible (foldable) material, to reach integrated structure.For example the material of dielectric moldings 14 can comprise polyethylene terephthalate (PET), but not as limit.Because dielectric moldings 14 is made of the insulation material, and one-body moldedly do not need extra assembled metal part, therefore the housing of electromagnetic touch-control display device 10 will not comprise any conductive material, so can reduce the display surface edge induction mistake that the electromagnetic induction signal is caused because of the housing conductive material disturbs, improve touch-control sensing sensitivity.In addition, integrated formed structure also need not considered the complicated degree of contraposition in assembling process, help accelerating assembling process.
The display panel of the utility model electromagnetic touch-control display device can be for example display panels (liquid crystal display of various display panel, LCD), Organic Light Emitting Diode (organic light-emitting diode, OLED) display panel, Field Emission Display (field emission display, FED) and electric slurry display panel (plasma display panel, PDP) etc., but not as limit.It hereinafter is example with the display panels.Please refer to Fig. 2, Fig. 2 is the diagrammatic cross-section of the electromagnetic touch-control liquid crystal indicator of another preferred embodiment of the present utility model.As shown in Figure 2, the electromagnetic touch-control liquid crystal indicator 20 of present embodiment comprises a display panels 21, an electromagnetic touch-control panel 22, a pressure sensitivity time writer 23, a backlight module 24, a reflector plate 25 and a dielectric moldings 26.Electromagnetic touch-control panel 22 can calculate the input position of pressure sensitivity time writer 23, just touch-control occurrence positions according to magnetic flux change.Display panels 21 comprises polaroid 21a on, a colored filter substrate 21b, a thin film transistor base plate 21c, polaroid 21d once, and a liquid crystal layer 21e is arranged between colored filter substrate 21b and the thin film transistor base plate 21c.Display panels 21 is arranged on the backlight module 24, and show image is provided.Backlight module 24 is arranged between display panels 21 and the electromagnetic touch-control panel 22, and backlight module 24 comprises a light guide plate 24a, a light source generator 24b, at least one blooming piece 24c.Light guide plate 24a is in order to change light source direction and hybrid light source, and then provides uniform source of light to display panels 21.In the present embodiment, light source generator 24b is arranged at one of light guide plate 24a side, in order to light source to be provided, that is to say, the backlight module 24 of present embodiment is the side light type backlight module, but not as limit, for example backlight module 24 also can adopt the Staight downward type backlight module.In addition, light source generator 24b for example can be cathode fluorescent tube (cold cathode fluorescent lamp, CCFL) or light emitting diode (light emitting diode, LED), but not as limit.Blooming piece 24c is the top that is arranged at light guide plate 24a, in order to uniformity coefficient and the brightness that improves light source, can be the blooming piece combination with different optical effect and forms.For example in the present embodiment, blooming piece 24c can comprise prismatic lens 24d on, once a prismatic lens 24e and a diffusion sheet 24f, but not as limit.Reflector plate 25 is the upper surfaces 221 that are arranged at electromagnetic touch-control panel 22, in order to source reflection to light guide plate 24a, its material is the material of high reflectance.For example in the present embodiment, can be with barium sulphate (BaSO 4) directly coat the upper surface 221 of electromagnetic touch-control panel 22, form a reflective film, but not as limit.In addition, reflector plate 25 is arranged at the upper surface 221 of electromagnetic touch-control panel 22, can increase the thickness of reflector plate 25, make reflector plate 25 after being heated or making moist, more deformation set can not take place, help the electromagnetic touch-control display device and adapt to and variously to transport environment and unlikely damage.Dielectric moldings 26 coats the bottom and the side surface of electromagnetic touch-control panel 22, the side surface of the side surface of backlight module 24 and covering liquid LCD panel 21 and extend to display panels 21 upper surface around, wherein dielectric moldings 26 can be a collapsible material, to reach integrated structure.For example the material of dielectric moldings 26 can comprise polyethylene terephthalate (PET), but not as limit.
For describing the integrated formed structure of dielectric moldings in detail, please refer to Fig. 3 to Fig. 5.Fig. 3 is the dielectric moldings stretch-out view of the electromagnetic touch-control display device of a preferred embodiment of the present utility model.As shown in Figure 3, before unassembled, the dielectric moldings of expansion is a polygon dielectric film 30, and wherein polygon dielectric film 30 comprises a bottom surface 301, a upper side 302, a downside 303, a left surface 304 and a right flank 305.The rough floorage that is equal to the electromagnetic touch-control panel of the area of bottom surface 301, upper side 302 comprises an identical trapezoid area 306 and a rectangular region 307 respectively with downside 303, so rough area that is equal to downside 303 of area of upper side 302, left surface 304 comprises an identical trapezoid area 308 and a rectangular region 309 respectively with right flank 305, so the rough area that is equal to right flank 305 of area of left surface 304, but not as limit.Wherein, trapezoid area 306, trapezoid area 308 are the isosceles trapezoid zone, the rough length that is equal to the side 308a of trapezoid area 308 of the length of the side 306a of trapezoid area 306, and the rough length that is equal to the side 309a of rectangular region 309 of the length of the side 307a of rectangular region 307, the also rough overall height that is equal to the electromagnetic touch-control display device of while.Polygon dielectric film 30 is one collapsible (foldable) material, electromagnetic touch-control panel flexible circuit board (flexible printed circuit board) the employed PET of flatness layer for example, it can be a PET film of independently making, and can utilize double faced adhesive tape or insulating gel to be fixed in the bottom surface of electromagnetic touch-control panel, but not as limit.
Fig. 4 is the assembling synoptic diagram of the electromagnetic touch-control display device of a preferred embodiment of the present utility model.As shown in Figure 4, and in the lump with reference to figure 2 and Fig. 3, in the present embodiment, the electromagnetic touch-control display device is an electromagnetic touch-control liquid crystal indicator 20.Electromagnetic touch-control liquid crystal indicator 20 comprises an electromagnetic touch-control panel 22, a backlight module 24, a display panels 21, and a polygon dielectric film 30.Backlight module 24 is to be arranged between display panels 21 and the electromagnetic touch-control panel 22.Polygon dielectric film 30 is to be arranged at electromagnetic touch-control panel 22 belows, and the upper side 302 of polygon dielectric film 30, downside 303, left surface 304 and right flank 305 common sides around electromagnetic touch-control panel 22.Then, folding polygon dielectric film 30 makes upper side 302, downside 303, left surface 304 and the right flank 305 of polygon dielectric film 30 fold the side surface that coats electromagnetic touch-control panel 22 because of making progress by parallel electromagnetic touch-control panel 22, at this moment, each lateralarea of polygon dielectric film 30 is equal to each side surface area of electromagnetic touch-control liquid crystal indicator 20 haply.Then, outstanding part trapezoidal 306, trapezoidal 308 is folded to the upper surface of electromagnetic touch-control liquid crystal indicator 20, just around the display surface of display panels 21.At last, paste the polygon dielectric film 30 that is positioned at around display panels 21 display surfaces, finish the dielectric moldings assembling of electromagnetic touch-control liquid crystal indicator 20 with double faced adhesive tape or insulating gel.
Fig. 5 finishes synoptic diagram for the assembling of the electromagnetic touch-control display device of a preferred embodiment of the present utility model.As shown in Figure 5, and in the lump with reference to figure 4, by the bottom and the side surface of polygon dielectric film 30 formed dielectric moldings 26 covering liquid LCD panels 21, and in the lump covering liquid LCD panel 21 upper surface around.With respect to carrying out the housing assembling by two independent metal frames in the known techniques, one-body molded dielectric moldings of the present utility model, contraposition in the time of need not carrying out the assembling of two independent blocks, and can reduce the use of metal parts and reduce the complicated degree of assembling, in addition, around the upper surface of display device by the insulation material around also reducing when the electromagnetism touch-control sensing carries out the induction mistake that electromagnetic riveting machine signal causes because of the metal object influences in the display panel edge.
In sum, the utility model provides a kind of electromagnetic touch-control display device, wherein the electromagnetic touch-control display device comprises an electromagnetic touch-control panel, a display panel and a dielectric moldings, and the structure that dielectric moldings is formed in one, coat the bottom and the side surface of display panel, and coat the side surface of display panel and extend to this display panel upper surface around, can reduce the use and the complicated degree of assembling process part, in addition, also can reduce the display panel edge and disturb the induction mistake that is caused because of the housing metal assembly.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (6)

1. an electromagnetic touch-control display device is characterized in that, comprising:
One electromagnetic touch-control panel;
One display panel is arranged on this electromagnetic touch-control panel; And
One dielectric moldings coats the bottom and the side surface of this electromagnetic touch-control panel, and coat the side surface of this display panel and extend to this display panel upper surface around, the structure that is formed in one of this dielectric moldings wherein.
2. electromagnetic touch-control display device according to claim 1 is characterized in that: wherein this dielectric moldings is a collapsible material.
3. electromagnetic touch-control display device according to claim 1 is characterized in that: more comprise an electromagnetic induction device, in order to carry out the touch-control input.
4. electromagnetic touch-control display device according to claim 1 is characterized in that: wherein this display panel comprises a display panels.
5. electromagnetic touch-control display device according to claim 4 is characterized in that: other comprises a backlight module, be arranged between this display panels and this electromagnetic touch-control panel, and this backlight module comprises:
One light guide plate;
One light source generator is arranged at least one side of this light guide plate;
At least one blooming piece is arranged between this light guide plate and this display panels; And
One reflector plate is arranged between this light guide plate and this electromagnetic touch-control panel.
6. electromagnetic touch-control display device according to claim 5 is characterized in that: wherein this reflector plate is the surface that is arranged at this electromagnetic touch-control panel.
CN2011201016441U 2011-04-09 2011-04-09 Electromagnetic touch-control display device Expired - Fee Related CN202013565U (en)

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CN2011201016441U CN202013565U (en) 2011-04-09 2011-04-09 Electromagnetic touch-control display device

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Application Number Priority Date Filing Date Title
CN2011201016441U CN202013565U (en) 2011-04-09 2011-04-09 Electromagnetic touch-control display device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207468A (en) * 2013-03-19 2013-07-17 京东方科技集团股份有限公司 Touch liquid crystal display device
CN109757977A (en) * 2018-12-29 2019-05-17 九阳股份有限公司 A kind of electric kettle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207468A (en) * 2013-03-19 2013-07-17 京东方科技集团股份有限公司 Touch liquid crystal display device
WO2014146351A1 (en) * 2013-03-19 2014-09-25 京东方科技集团股份有限公司 Touch liquid-crystal display apparatus
CN109757977A (en) * 2018-12-29 2019-05-17 九阳股份有限公司 A kind of electric kettle

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ASS Succession or assignment of patent right

Free format text: FORMER OWNER: CHINA PROJECTION TUBE CO., LTD.

Effective date: 20130609

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130609

Address after: 350015, Xingye Road, Mawei Science Park, Fujian, Fuzhou 1, China

Patentee after: Fuzhou Huaying Video & Telecom Co., Ltd.

Address before: 350015, Xingye Road, Mawei Science Park, Fujian, Fuzhou 1, China

Patentee before: Fuzhou Huaying Video & Telecom Co., Ltd.

Patentee before: Chunghwa Picture Tubes Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111019

Termination date: 20180409