CN206991286U - Contact panel and display device - Google Patents
Contact panel and display device Download PDFInfo
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- CN206991286U CN206991286U CN201720787335.1U CN201720787335U CN206991286U CN 206991286 U CN206991286 U CN 206991286U CN 201720787335 U CN201720787335 U CN 201720787335U CN 206991286 U CN206991286 U CN 206991286U
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Abstract
The utility model discloses a kind of contact panel, the contact panel includes first electrode and electrode tip lead, the electrode tip lead connects the edge of the first electrode and the width positioned at the contact panel, the electrode tip lead includes first electrode end lead and second electrode end lead, first electrode end lead is between second electrode end lead and the first electrode, first electrode end lead is transparent lead, second electrode end lead includes transparent lead segments and metal lead wire section, the first electrode is electrically connected to the transparent lead segments or the first electrode by the metal lead wire section and is electrically connected to the metal lead wire section by the transparent lead segments.The utility model also disclosed a kind of display device.Transparent lead segments reduce frame, realize narrow frame effect, and metal lead wire section reduces the impedance of contact conductor, are debugged beneficial to chip, improve touch-control effect.
Description
Technical field
Display technology field is the utility model is related to, more particularly, to a kind of contact panel and display device.
Background technology
With the development of science and technology, the touch technology of display screen has also obtained development at full speed, and touch-screen is extensive
Applied in the electronic equipments such as mobile phone, computer, e-book, tablet personal computer, it has also become essential part in people's life.With
It is various can the numerous and confused of display device of touch-control emerge, consumer is to touching the requirements of each side such as the attractive in appearance of screen, performance
More and more higher.Capacitive touch screen is a kind of touch-control structure for being widely used in display device, the condenser type of external hanging type structure
Touch-screen is mainly GFF (Glass-Film-Film) structures or GF (Glass-Film) structure, i.e., glass cover-plate-membrane electrode-
The structure of membrane electrode or glass cover-plate-membrane electrode, and membrane electrode needs and the flexible electrical positioned at contact panel one end
Road plate (Flexible Printed Circuit, FPC) electrically connects, so as to realize the electricity with other electronic devices of display device
Connection.
In the prior art, the center section of contact panel is viewing area, and the edge of viewing area passes through opaque gold
Category lead by membrane electrode with the top of the contact panel or the flexible PCB of bottom is attached, realize flexible PCB and
The electrical connection of membrane electrode.In order to display device overall appearance effect, it is necessary to contact panel both sides process black frame come
Metal lead wire is covered, so as to have impact on the size of viewing area, the wider display device of frame significantly reduces Consumer's Experience.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of contact panel and display device, to solve existing skill
The problem of frame of contact panel is wider in art, and viewing area is smaller, and Consumer's Experience is relatively low.
In order to solve the above technical problems, the utility model provides a kind of contact panel, the contact panel includes the first electricity
Pole and electrode tip lead, the electrode tip lead connect the side of the first electrode and the width positioned at the contact panel
Edge, the electrode tip lead include first electrode end lead and second electrode end lead, and first electrode end lead is located at institute
State between second electrode end lead and the first electrode, first electrode end lead is transparent lead, the second electrode
Lead is held to include transparent lead segments and metal lead wire section, the first electrode is electrically connected to described by the metal lead wire section
Bright lead segments or the first electrode are electrically connected to the metal lead wire section by the transparent lead segments.In this way, the first electricity
Extreme lead is made using transparent conductive material, and first electrode end lead is close to first electrode, first electrode end lead with
First electrode forms transparent region, so as to increase the width size of transparent region, reduces frame, correspondingly increases aobvious
Show the viewing area of equipment, realize narrow frame effect, improve Consumer's Experience；Second electrode end lead is located at contact panel
Outside, and combined by metal lead wire section and transparent lead segments, the electric conductivity of metal lead wire section is better than transparent lead segments, reduces
The impedance of contact conductor, the impedance and the impedance of first electrode end lead for making second electrode end lead approach, and are adjusted beneficial to chip
Examination, the material and cost of manufacture of transparent lead segments are less than metal lead wire section, reduce the cost of contact conductor.
Further, the length of the transparent lead segments is not less than the length of first electrode end lead.In this way, reduce
Frame size close to the first electrode both sides of circuit board, first electrode, first electrode end lead and transparent lead segments are formed
Bright region, the area of viewing area is increased, and special display mode can be provided.
Further, the metal lead wire section is formed with transparent lead segments laser etch process together with.In this way, plus
Work mode is simple and easy, and the electrical connection effect of metal lead wire section and transparent lead segments is good.
Further, the contact panel also includes circuit board and circuit end lead, and the circuit end lead and electrode tip draw
Line is connected, and the circuit end lead connects the circuit board and is located at the contact panel length direction with the circuit board
One end.In this way, contact panel is by circuit board electrical connection to system board, the touch information transmission that contact panel is received
To system board processing.
Further, the circuit end lead is metal lead wire, for reducing between the circuit board and the first electrode
Resistance.In this way, being advantageous to chip debugging, touch-control effect is improved.
Further, the circuit end lead is transparent lead, for reducing elargol dosage.In this way, reduce contact panel
Cost.
Further, the contact panel also includes cover plate and second electrode, the cover plate, the first electrode and described
Two electrodes are stacked, and the side edge thereof printing frame is used to block the circuit board and the metal lead wire.In this way, cover plate
Edge printing frame is used to block metal lead wire and circuit board, is on the other hand used to contact user's finger progress touch control operation.
Further, first electrode end lead is integrally formed with the first electrode.In this way, it need not increase extra
Production process, yields are high.
Further, the transparent lead is indium tin oxide films or graphene film or nanometer metallic film.It is in this way, transparent
The light transmission rate of lead is high, and narrow frame or Rimless effect are good.
The utility model also provides a kind of display device, and the display device includes one institute of display panel and any of the above
The contact panel stated, the display panel are stacked with the contact panel, and the display panel output image simultaneously passes through institute
The transparent region for stating contact panel is shown.
The beneficial effects of the utility model are as follows：First electrode end lead is made using transparent conductive material, and first
Electrode tip lead is close to first electrode, and first electrode end lead forms transparent region with first electrode, so as to increase clear area
The width size in domain, frame is reduced, the corresponding viewing area for increasing display device, narrow frame effect is realized, carries
High Consumer's Experience；Second electrode end lead is located at the outside of contact panel, and is combined by metal lead wire section and transparent lead segments
Form, the electric conductivity of metal lead wire section is better than transparent lead segments, reduces the impedance of contact conductor, makes second electrode end lead
Impedance and the impedance of first electrode end lead approach, and are debugged beneficial to chip, and the material and cost of manufacture of transparent lead segments are less than gold
Belong to lead segments, reduce the cost of contact conductor.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other obvious modes of texturing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the contact panel that the utility model embodiment provides.
Fig. 2 and Fig. 3 is the structure partial schematic diagram for the contact panel that the utility model embodiment provides.
Fig. 4 is the close-up schematic view for the second electrode end lead that the utility model embodiment provides.
Fig. 5 is the structure partial schematic diagram for the contact panel that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Also referring to Fig. 1, Fig. 2 and Fig. 3, contact panel that the utility model embodiment provides includes circuit board 20, the
One electrode 10, circuit end lead 310 and electrode tip lead 320, circuit end lead 310 and electrode tip lead 320 are connected to form and led
Electrical lead is used to electrically connect first electrode 10 and circuit board 20.Specifically, circuit end lead 310 connects circuit board 20 and electrode tip
Lead 320, and circuit end lead 310 is respectively positioned on same one end of the length direction of contact panel with circuit board 20；Electrode tip draws
Line 320 connects first electrode 10 and circuit end lead 310, and electrode tip lead 320 is located at the width of contact panel
Edge.In a kind of preferably embodiment, contact panel generally rectangle, circuit board 20 is located at the side of contact panel short side,
Circuit end lead 310 is located at the edge of the short side of contact panel, and electrode tip lead 320 is located at the side for the long side being connected with the short side
The position that edge, circuit end lead 310 and electrode tip lead 320 connect is the right angle of rectangle.Further, the two of contact panel
The edge of individual long side is arranged with electrode tip lead 320, and a side frame mistake is caused to avoid electrode tip lead 320 from concentrating on side
Wide situation occurs.
In the present embodiment, first electrode 10 be transparent conductive material formed conductive film, a kind of preferable embodiment
In, first electrode 10 is tin indium oxide (Indium tin oxide, ITO) film of patterning.Further, first electrode 10
Quantity to be multiple, and length direction array arrangement of the first electrode 10 along contact panel.The end of each first electrode 10
An electrode tip lead 320 is connected, and electrode tip lead 320 is located at first electrode 10 in the both sides of width.It is a kind of compared with
In good embodiment, first electrode 10 is strip, and first electrode 10 includes two relative ends of first end 102 and second
Portion 104, each first electrode 10 only have one of first end 102 and the second end 104 connection electrode end lead 320.
In the present embodiment, electrode tip lead 320 includes first electrode end lead 322 and second electrode end lead 324, and first
Electrode tip lead 322 is located between second electrode end lead 324 and first electrode 10.Further, first electrode end lead 322
For transparent lead, and first electrode end lead 322 connects transparent first electrode 10 to increase the transparent region of contact panel
Width size.
With reference to Fig. 4, in the present embodiment, second electrode end lead 324 includes transparent lead segments 324a and metal lead wire section
324b, first electrode 10 are electrically connected to transparent lead segments 324a or first electrode 10 by transparent by metal lead wire section 324b
Lead segments 324a is electrically connected to metal lead wire section 324b.Draw specifically, transparent lead segments 324a is conduction made of transparent material
Line, there is the characteristics of light transmission rate is high, in a kind of embodiment, transparent lead segments 324a is phase with first electrode end lead 322
With the conductive lead wire of material.Metal lead wire section 324b is conductive lead wire made of metal material, light tight, has relatively low resistance
It is anti-.Metal lead wire section 324b and transparent lead segments 324a combination reduce the overall impedance of second electrode end lead 324, enter one
Step, because the first electrode 10 that second electrode end lead 324 electrically connects and the distance of circuit end lead 310 are more than first electrode
Hold first electrode 10 and the distance of circuit end lead 310, the i.e. length of second electrode end lead 324 of the electrical connection of lead 322 big
In the length of first electrode end lead 322, when second electrode end lead 324 is identical with the material of first electrode end lead 322,
The impedance of second electrode end lead 324 is more than first electrode end lead 322, thus use the relatively low metal lead wire section 324b of impedance with
Transparent lead segments 324a combination can reduce the impedance of second electrode end lead 324, make the impedance of second electrode end lead 324
Impedance with first electrode end lead 322 approaches, and is advantageous to chip debugging, improves touch-control effect.In a kind of embodiment, according to
The impedance magnitude of first electrode end lead 322, length of the regulation metal lead wire section 324b in second electrode end lead 324 account for
Than obtaining the second electrode end lead 324 of suitable impedance, i.e., second electricity close with the impedance of first electrode end lead 322
Extreme lead 324.
First electrode end lead 322 is made using transparent conductive material, and first electrode end lead 322 is close to the first electricity
Pole 10, first electrode end lead 322 forms transparent region with first electrode 10, so as to increase the width chi of transparent region
It is very little, frame is reduced, the corresponding viewing area for increasing display device, narrow frame effect is realized, improves Consumer's Experience；The
Two electrode tip leads 324 are located at the outside of contact panel, and are combined by metal lead wire section 324b and transparent lead segments 324a,
Metal lead wire section 324b electric conductivity is better than transparent lead segments 324a, reduces the impedance of contact conductor, draws second electrode end
The impedance of line 324 and the impedance of first electrode end lead 322 approach, beneficial to chip debug, transparent lead segments 324a material and
Cost of manufacture is less than metal lead wire section 324b, reduces the cost of contact conductor.
In the present embodiment, transparent lead segments 324a length is not less than the length of first electrode end lead 322.Specifically,
Transparent lead segments 324a and first electrode end lead 322 are transparent part, and first electrode end lead 322 is located at first electrode 10
Between transparent lead segments 324a, first electrode end lead 322 and transparent lead segments 324a forms transparent frame, reduces and leans on
The frame size of the both sides of first electrode 10 of nearly circuit board 20, first electrode 10, first electrode end lead 322 and transparent lead segments
324a forms transparent region, increases the area of viewing area, and can provide special display mode.
In the present embodiment, metal lead wire section 324b is formed with transparent lead segments 324a laser etch process together with.Gold
Category lead segments 324b is formed by elargol by laser-induced thermal etching with patterning, and transparent lead segments 324a is by indium tin oxide films by swashing
Photoetch to be formed with patterning, and in metal lead wire section 324b and transparent lead segments 324a junction, transparent lead segments 324a takes
After being connected on metal lead wire section 324b, or after metal lead wire section 324b is overlapped on transparent lead segments 324a, pass through specific work(
The laser scanning of rate forms metal lead wire section 324b and transparent lead segments 324a simultaneously.Specifically, laser scanning is to metal lead wire
Laser power when on section 324b and transparent lead segments 324a can be set according to the physical attribute of elargol and indium tin oxide films.
Metal lead wire section 324b is formed with transparent lead segments 324a laser etch process together with, and processing mode is simple and easy, metal
Lead segments 324b and transparent lead segments 324a electrical connection effect are good.
In a kind of embodiment, circuit end lead 310 is metal lead wire, for reduce circuit board 20 and first electrode 10 it
Between resistance.Specifically, first electrode end lead 322 is connected with circuit end lead 310 in a manner of overlap joint etc., each first electricity
The extreme conductive lead wire connection circuit board 20 of the formation of circuit end lead 310 one of the connection of lead 322 one and first electrode 10, first
The advantages of tin indium oxide lead is with elargol line, has been merged in the combination of electrode tip lead 322 and circuit end lead 310 simultaneously, increases
The width size of the transparent region of contact panel, reduces frame, at the same reduce circuit board 20 and first electrode 10 it
Between resistance, beneficial to chip debug.
In the mode that another kind is implemented, circuit end lead 310 is transparent lead, for reducing elargol dosage.Elargol passes through
Elargol line, i.e. metal lead wire are formed after patterning processing.Elargol line conducts electricity very well, but cost is higher, domestic elargol cost
Substantially in 5000RMB/KG, and the unit price members up to ten thousand easily of import.Transparent lead is indium tin oxide material, indium tin oxide films material
Expect cheap, the cost of circuit end lead greatly reduces, so as to reduce the cost of equipment.
In the present embodiment, first electrode end lead 322 is integrally formed with first electrode 10, i.e. first electrode end lead 322
It can pattern to be formed simultaneously when patterning indium tin oxide films form first electrode 10, it is not necessary to increase extra making work
Sequence, yields are high.
With reference to Fig. 2 and Fig. 5, in the present embodiment, contact panel also includes second electrode 50 and electrical connection circuit plate 20 and the
The second electrode lead 40 of two electrodes 50, first electrode 10 are oppositely arranged to form electric capacity with second electrode 50, second electrode lead
40 connection circuit boards 20 are simultaneously located on same one end of the length direction of contact panel with circuit board 20 1, do not influence contact panel and exist
The size of transparent region on width.Second electrode 50 is provided only with an end for facing the position side of circuit board 20
For connecting second electrode lead 40.A kind of preferably in embodiment, second electrode 50 is also strip, and second electrode
50 placement direction is vertical with first electrode 10.
The contact panel that the utility model embodiment provides also includes cover plate 60, cover plate 60, the electricity of first electrode 10 and second
Pole 50 is stacked, on the one hand, the edge of cover plate 60 printing frame is used to block metal lead wire and circuit board 20, is on the other hand used for
Contact user's finger and carry out touch control operation.
First electrode end lead 322 is made using transparent conductive material, and first electrode end lead 322 is close to the first electricity
Pole 10, first electrode end lead 322 forms transparent region with first electrode 10, so as to increase the width chi of transparent region
It is very little, frame is reduced, the corresponding viewing area for increasing display device, narrow frame effect is realized, improves Consumer's Experience；The
Two electrode tip leads 324 are located at the outside of contact panel, and are combined by metal lead wire section 324b and transparent lead segments 324a,
Metal lead wire section 324b electric conductivity is better than transparent lead segments 324a, reduces the impedance of contact conductor, draws second electrode end
The impedance of line 324 and the impedance of first electrode end lead 322 approach, beneficial to chip debug, transparent lead segments 324a material and
Cost of manufacture is less than metal lead wire section 324b, reduces the cost of contact conductor.
In the contact panel that the utility model embodiment provides, transparent lead be indium tin oxide films or graphene film or
The high material of the light transmission rates such as nanometer metallic film is made.
The utility model embodiment also provides a kind of display device, including display panel and above-described contact panel,
Display panel is stacked with contact panel, and display panel output image simultaneously passes through the transparent region of contact panel to show.This reality
Apply in example, display device includes mobile phone, tablet personal computer, TV etc..
Further, display device also includes system board, housing and battery, and system board electrically connects contact panel and shown
Show panel and control electrical connection contact panel and display panel work, battery is used to house mainboard, electricity to main board power supply, housing
Pond, contact panel and display panel, play protection display device device and effect attractive in appearance.
First electrode end lead 322 is made using transparent conductive material, and first electrode end lead 322 is close to the first electricity
Pole 10, first electrode end lead 322 forms transparent region with first electrode 10, so as to increase the width chi of transparent region
It is very little, frame is reduced, the corresponding viewing area for increasing display device, narrow frame effect is realized, improves Consumer's Experience；The
Two electrode tip leads 324 are located at the outside of contact panel, and are combined by metal lead wire section 324b and transparent lead segments 324a,
Metal lead wire section 324b electric conductivity is better than transparent lead segments 324a, reduces the impedance of contact conductor, draws second electrode end
The impedance of line 324 and the impedance of first electrode end lead 322 approach, beneficial to chip debug, transparent lead segments 324a material and
Cost of manufacture is less than metal lead wire section 324b, reduces the cost of contact conductor.
Above disclosed is only the utility model several preferred embodiments, can not limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to
The equivalent variations that the utility model claims are made, still fall within the scope that utility model is covered.
Claims (10)
1. a kind of contact panel, it is characterised in that the contact panel includes first electrode and electrode tip lead, the electrode tip
Lead connects the edge of the first electrode and the width positioned at the contact panel, and the electrode tip lead includes first
Electrode tip lead and second electrode end lead, first electrode end lead are located at second electrode end lead and described first
Between electrode, first electrode end lead is transparent lead, and second electrode end lead includes transparent lead segments and metal
Lead segments, the first electrode is electrically connected to the transparent lead segments by the metal lead wire section or the first electrode is led to
Cross the transparent lead segments and be electrically connected to the metal lead wire section.
2. contact panel according to claim 1, it is characterised in that the length of the transparent lead segments is not less than described the
The length of one electrode tip lead.
3. contact panel according to claim 2, it is characterised in that the metal lead wire section is led to the transparent lead segments
One of laser etch process is crossed to be formed.
4. contact panel according to claim 3, it is characterised in that the contact panel also includes circuit board and circuit end
Lead, the circuit end lead are connected with electrode tip lead, the circuit end lead connect the circuit board and with the electricity
Road plate is located at one end of the contact panel length direction.
5. contact panel according to claim 4, it is characterised in that the circuit end lead is metal lead wire, for dropping
Resistance between the low circuit board and the first electrode.
6. contact panel according to claim 4, it is characterised in that the circuit end lead is transparent lead, for subtracting
Few elargol dosage.
7. the contact panel according to claim 5 or 6, it is characterised in that the contact panel also includes cover plate and second
Electrode, the cover plate, the first electrode and second electrode stacking are set, and the side edge thereof printing frame is used to block
The circuit board and the metal lead wire.
8. contact panel according to claim 1, it is characterised in that first electrode end lead and the first electrode
It is integrally formed.
9. contact panel according to claim 1, it is characterised in that the transparent lead is indium tin oxide films or graphite
Alkene film or nanometer metallic film.
10. a kind of display device, it is characterised in that the display device includes display panel and claim 1 to 9 any one
Described contact panel, the display panel are stacked with the contact panel, and the display panel output image simultaneously passes through
The transparent region of the contact panel is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787335.1U CN206991286U (en) | 2017-06-30 | 2017-06-30 | Contact panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787335.1U CN206991286U (en) | 2017-06-30 | 2017-06-30 | Contact panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991286U true CN206991286U (en) | 2018-02-09 |
Family
ID=61400817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720787335.1U Active CN206991286U (en) | 2017-06-30 | 2017-06-30 | Contact panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111651080A (en) * | 2020-05-18 | 2020-09-11 | 武汉华星光电半导体显示技术有限公司 | Touch panel and display device |
-
2017
- 2017-06-30 CN CN201720787335.1U patent/CN206991286U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111651080A (en) * | 2020-05-18 | 2020-09-11 | 武汉华星光电半导体显示技术有限公司 | Touch panel and display device |
| WO2021232535A1 (en) * | 2020-05-18 | 2021-11-25 | 武汉华星光电半导体显示技术有限公司 | Touch panel and display device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: Ophiguang Group Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: OFilm Tech Co.,Ltd. Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: OFilm Tech Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: Shenzhen OFilm Tech Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: Ophiguang Group Co.,Ltd. |