CN104793773B - Touch LCD screen, touch screen cover board and its manufacturing method - Google Patents
Touch LCD screen, touch screen cover board and its manufacturing method Download PDFInfo
- Publication number
- CN104793773B CN104793773B CN201410021832.1A CN201410021832A CN104793773B CN 104793773 B CN104793773 B CN 104793773B CN 201410021832 A CN201410021832 A CN 201410021832A CN 104793773 B CN104793773 B CN 104793773B
- Authority
- CN
- China
- Prior art keywords
- ink
- layer
- cover board
- conductive layer
- screen printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to touch LCD screen, touch screen cover board and its manufacturing methods.The touch screen cover board includes glass cover-plate base material, ink for screen printing layer, OCA optical adhesive layers and ITO conductive layer, the ink for screen printing layer is arranged on the glass cover-plate base material, the ink for screen printing floor includes ink logo area and the non-pattern area of ink, the ITO conductive layer is arranged in the top of the ink for screen printing layer, the OCA optical adhesive layers are arranged between the non-pattern area of ink of the ITO conductive layer and the ink for screen printing floor and are fitted and connected with the two, are hollow space between the ITO conductive layer and the ink logo area of the ink for screen printing floor.The present invention has the advantages such as translucency is good, product yield is high, production cost is low.
Description
Technical field
The present invention relates to a kind of touch LCD screen, touch screen cover board and its manufacturing methods.
Background technology
Due to the progress and the improvement of people's living standards of industrial technology, electronic multimedia product is in people's daily life
Play the role to become more and more important.Display screen has also obtained swift and violent as the important component in electronic multimedia product
Development.Touch screen（Full name in English is Touch Panel）A technology branch of display screen technology, also known as touch screen, touch
Panel is controlled, is a kind of induction type display device of the input signals such as receivable contact, is widely used in various electronic products.It presses
The medium of operation principle and transmission information according to touch screen, touch screen can be divided into four kinds：Resistance-type, condenser type, infrared-type and
Surface acoustic wave type.
As shown in Figure 1, existing touch screen cover board generally comprises glass cover-plate base material 11, ink for screen printing layer 12, OCA optics
14 four-layer structure of glue-line 13 and ITO conductive layer, the glass cover-plate base material 11, ink for screen printing layer 12,13 and of OCA optical adhesive layers
ITO conductive layer 14 is sequentially fitted and connected setting from bottom to top.However, the pattern area due to ink for screen printing floor 12 can form gully,
And OCA can not be filled into gully during being bonded assembling, therefore, the touch screen cover board after assembling can be formed in gully
Bubble influences the translucency of product, to reduce the yield of product, increases production cost.
Invention content
The purpose of the present invention is exactly to solve existing for the prior art touch screen cover board skills such as yield is low, production cost is high
Art problem, the present invention provide the manufacturing method of a kind of touch screen cover board, touch LCD screen and touch screen cover board.The present invention's is specific
Technical solution is as follows：
The present invention provides a kind of touch screen cover board comprising glass cover-plate base material, ink for screen printing layer, OCA optical adhesive layers and
ITO conductive layer, the ink for screen printing layer are arranged on the glass cover-plate base material, and the ink for screen printing floor includes ink logo area
With the non-pattern area of ink, the ITO conductive layer is arranged in the top of the ink for screen printing layer, and the OCA optical adhesive layers setting exists
It is fitted and connected between the non-pattern area of the ink of the ITO conductive layer and the ink for screen printing floor and with the two, the ITO conductive layer
It is hollow space between the ink logo area of the ink for screen printing floor.
Further, the touch screen cover board further comprises that PET film layer, the PET film layer are provided adjacent in ITO
The top of conductive layer.
Further, the touch screen cover board further comprises that polymer substrate layer, the polymer substrate layer adjoining are set
It sets in the top of ITO conductive layer.
The present invention also provides a kind of touch LCD screens comprising touch screen cover board and LCD liquid crystal displays, the touch screen cover board
It is provided adjacent in the top of the LCD liquid crystal displays, the touch screen cover board includes glass cover-plate base material, ink for screen printing layer, OCA light
Glue-line and ITO conductive layer are learned, the ink for screen printing layer is arranged on the glass cover-plate base material, and the ink for screen printing layer includes oil
Black pattern area and the non-pattern area of ink, the ITO conductive layer are arranged in the top of the ink for screen printing layer, the OCA optical cements
Floor is arranged between the non-pattern area of ink of the ITO conductive layer and the ink for screen printing floor and is fitted and connected with the two, described
It is hollow space between ITO conductive layer and the ink logo area of the ink for screen printing floor.
Further, the touch LCD screen further comprises FPC plates, one end of the FPC plates and drawing for LCD liquid crystal displays
Line connects, and the other end is connect with the ITO conductive layer of the touch screen cover board.
Further, the touch screen cover board further comprises that PET film layer, the PET film layer are provided adjacent in ITO
The top of conductive layer.
Further, the touch screen cover board further comprises that polymer substrate layer, the polymer substrate layer adjoining are set
It sets in the top of ITO conductive layer.
The present invention also provides a kind of manufacturing methods of touch screen cover board comprising following steps：
Step a, according to the pattern of setting by ink by way of silk-screen printing in the upper formation silk of glass cover-plate base material
Ink layer, and be dried, the ink for screen printing floor has ink logo area and the non-pattern area of ink；
OCA optical cements are coated on the lower surface of ITO conductive layer by step b, and remove the ink figure with ink for screen printing layer
The corresponding OCA optical cements of case zone position；
Bottom surface section region coating is had the ITO conductive layer of OCA optical cements to be fitted in the upper of ink for screen printing layer by step c
On surface so that ITO conductive layer and the upper surface in the ink logo area of ink for screen printing floor have hollow space, form touch screen lid
Plate.
Further, the manufacturing method of the touch screen cover board further step d between step a and step b, specifically such as
Under：
Step d forms ITO conductive layer by ito thin film sputter depositing material in the lower surface of PET film layer.
Further, the manufacturing method of the touch screen cover board further comprises step d between step a and step b, tool
Body is as follows：
Step d forms ITO conductive layer by ito thin film sputter depositing material in the lower surface of polymer substrate layer.
Compared to the prior art, the present invention provides the main of a kind of touch LCD screen, touch screen cover board and its manufacturing method
Advantageous effect is：The OCA optical adhesive layers are arranged in the ITO conductive layer and the silk touch screen cover board of the present invention
It is fitted and connected between the non-pattern area of ink of ink layer and with the two, and by the ITO conductive layer and the ink for screen printing layer
Ink logo area between be set as filling air hollow space, provide the translucency of product so that product have production
The advantages such as product yield is high, production cost is low.It is arranged in the ITO conductive layer in addition, touch screen cover board of the present invention also has
The PET film layer or polymer substrate layer of upper surface, can effective reinforcement protection product, further improve the reliable of product
Property.
Description of the drawings
Fig. 1 is the side schematic view of prior art touch screen cover board.
Fig. 2 is the side schematic view of 1 touch screen cover board of the embodiment of the present invention.
Fig. 3 is the flow diagram of 4 touch screen cover plate making method of the embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used to limit the present invention.
Embodiment 1
It please refers to shown in Fig. 2, the present invention provides a kind of touch screen cover board comprising glass cover-plate base material 21, ink for screen printing
Layer 22, OCA optical adhesive layers 23, ITO conductive layer 24 and PET film layer 25, the glass cover-plate base material 21, ink for screen printing layer 22,
OCA optical adhesive layers 23, ITO conductive layer 24 and PET film layer 25 are sequentially arranged from bottom to top.
The ink for screen printing layer 22 is arranged on the glass cover-plate base material 21, is used to form key legend.The silk
Ink layer 22 includes the non-pattern area 27 of ink and ink logo area 28.The ITO conductive layer 24 is arranged in the ink for screen printing
The top of layer is used to that electric signal to be connected so that touch screen cover board changes according to external stress generation circuit signal.The OCA
Optical adhesive layer 23 for bonding the ITO conductive layer 24 and the ink for screen printing layer 22, setting the ITO conductive layer 24 with
Between the non-pattern area of the ink of the ink for screen printing floor 22 27, the upper surface of the OCA optical cements under the ITO conductive layer
Surface is fitted and connected, the upper table face paste in the non-pattern area of the ink of the lower surface of the OCA optical cements and the ink for screen printing floor 27
Close connection.Be hollow space between the ITO conductive layer 24 and the ink logo area 28 of the ink for screen printing floor 22, i.e., it is described
Filling air is formed between the lower surface of ITO conductive layer 24 and the upper surface in the ink logo area 28 of the ink for screen printing floor 22
Hollow space.The PET film layer 25 is arranged for touch screen cover board described in reinforcement protection in the top of ITO conductive layer 24,
It is fitted and connected with the upper surface of the ITO conductive layer 24.
Embodiment 2
Touch screen cover board provided by the invention and the touch screen cover board of embodiment 1 are essentially identical, and the main distinction is：Institute
It states the PET film layer in touch screen cover board and replaces with polymer substrate layer, the polymer substrate layer is provided adjacent in ITO conductions
The top of layer.
Embodiment 3
Shown in Fig. 2, the present invention provides a kind of touch LCD screen comprising, FPC plates, touch screen cover board and
LCD liquid crystal displays, the touch screen cover board are provided adjacent in the top of the LCD liquid crystal displays, the both ends of the FPC plates respectively with touch
Screen cover board is touched to connect with LCD liquid crystal displays.
The touch screen cover board includes glass cover-plate base material 21, ink for screen printing layer 22, OCA optical adhesive layers 23, ITO conductive layer
24 and PET film layer 25, the glass cover-plate base material 21, ink for screen printing layer 22, OCA optical adhesive layers 23,24 and of ITO conductive layer
PET film layer 25 is sequentially arranged from bottom to top.
The ink for screen printing layer 22 is arranged on the glass cover-plate base material 21, is used to form key legend.The silk
Ink layer 22 includes the non-pattern area 27 of ink and ink logo area 28.The ITO conductive layer 24 is arranged in the ink for screen printing
The top of layer is used to that electric signal to be connected so that touch screen cover board changes according to external stress generation circuit signal.The OCA
Optical adhesive layer 23 for bonding the ITO conductive layer 24 and the ink for screen printing layer 22, setting the ITO conductive layer 24 with
Between the non-pattern area of the ink of the ink for screen printing floor 22 27, the upper surface of the OCA optical cements under the ITO conductive layer
Surface is fitted and connected, the upper table face paste in the non-pattern area of the ink of the lower surface of the OCA optical cements and the ink for screen printing floor 27
Close connection.Be hollow space between the ITO conductive layer 24 and the ink logo area 28 of the ink for screen printing floor 22, i.e., it is described
Filling air is formed between the lower surface of ITO conductive layer 24 and the upper surface in the ink logo area 28 of the ink for screen printing floor 22
Hollow space.The PET film layer 25 is arranged for touch screen cover board described in reinforcement protection in the top of ITO conductive layer 24,
It is fitted and connected with the upper surface of the ITO conductive layer 24.
The LCD liquid crystal displays are used to show image according to external signal.The FPC plates are for being connected electric signal, the FPC
One end of plate is connect with the lead of LCD liquid crystal displays, and the other end is connect with the ITO conductive layer 24 of touch screen cover board.
Embodiment 4
As shown in figure 3, the present invention provides a kind of manufacturing method of touch screen cover board comprising following steps：
Step a, according to the pattern of setting by ink by way of silk-screen printing in the upper formation silk of glass cover-plate base material
Ink layer, and be dried and form lower cover；Wherein, the ink for screen printing floor has ink logo area and the non-figure of ink
Case area；
Step d forms ITO conductive layer, and make by ito thin film sputter depositing material in the lower surface of PET film layer
ITO conductive layer is fitted and connected with PET film layer；
OCA optical cements are coated on the lower surface of ITO conductive layer by step b, and remove the ink figure with ink for screen printing layer
The corresponding OCA optical cements of case zone position so that PET film layer and bottom surface section region coating have the ITO of OCA optical cements to lead
Electric layer forms upper cover plate；
The lower surface of upper cover plate is fitted in the upper surface of lower cover by step c, i.e., so that OCA optical cements and ink for screen printing
The upper surface in the non-pattern area of ink of floor is fitted and connected, the upper table mask of ITO conductive layer and the ink logo area of ink for screen printing floor
There is hollow space, forms touch screen cover board.
Embodiment 5
The basic phase of manufacturing method of the manufacturing method of touch screen cover board provided by the invention and the touch screen cover board of embodiment 4
Together, the main distinction is：The step d that the manufacturing method of the touch screen cover board includes between step a and step b, specifically
It is as follows：
Step d forms ITO conductive layer by ito thin film sputter depositing material in the lower surface of polymer substrate layer.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to preferable
Embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the technology of the present invention
Scheme is modified or replaced equivalently, and without departing from the spirit of the technical scheme of the invention and range, should all be covered in this hair
In bright right.
Claims (10)
1. a kind of touch screen cover board, which is characterized in that including glass cover-plate base material, ink for screen printing layer, OCA optical adhesive layers and ITO
Conductive layer, the ink for screen printing layer are arranged on the glass cover-plate base material, the ink for screen printing floor include ink logo area and
The non-pattern area of ink, the ITO conductive layer are arranged in the top of the ink for screen printing layer, and the OCA optical adhesive layers are arranged in institute
State between the non-pattern area of ink of ITO conductive layer and the ink for screen printing floor and be fitted and connected with the two, the ITO conductive layer with
It is hollow space between the ink logo area of the ink for screen printing floor.
2. touch screen cover board according to claim 1, which is characterized in that the touch screen cover board further comprises that PET is thin
Film layer, the PET film layer are provided adjacent in the top of ITO conductive layer.
3. touch screen cover board according to claim 1, which is characterized in that the touch screen cover board further comprises polymer
Substrate layer, the polymer substrate layer are provided adjacent in the top of ITO conductive layer.
4. a kind of touch LCD screen, which is characterized in that including touch screen cover board and LCD liquid crystal displays, the touch screen cover board adjoining
It is arranged in the top of the LCD liquid crystal displays, the touch screen cover board includes glass cover-plate base material, ink for screen printing layer, OCA optical cements
Layer and ITO conductive layer, the ink for screen printing layer are arranged on the glass cover-plate base material, and the ink for screen printing layer includes ink figure
Case area and the non-pattern area of ink, the ITO conductive layer are arranged in the top of the ink for screen printing layer, and the OCA optical adhesive layers are set
It sets between the non-pattern area of ink of the ITO conductive layer and the ink for screen printing floor and is fitted and connected with the two, the ITO is led
It is hollow space between electric layer and the ink logo area of the ink for screen printing floor.
5. touch LCD screen according to claim 4, which is characterized in that the touch LCD screen further comprises FPC plates,
One end of the FPC plates is connect with the lead of LCD liquid crystal displays, and the other end is connect with the ITO conductive layer of the touch screen cover board.
6. touch LCD screen according to claim 5, which is characterized in that the touch screen cover board further comprises that PET is thin
Film layer, the PET film layer are provided adjacent in the top of ITO conductive layer.
7. touch LCD screen according to claim 5, which is characterized in that the touch screen cover board further comprises polymer
Substrate layer, the polymer substrate layer are provided adjacent in the top of ITO conductive layer.
8. a kind of manufacturing method of touch screen cover board, which is characterized in that include the following steps：
Step a, according to the pattern of setting by ink by way of silk-screen printing the upper formation silk-screen of glass cover-plate base material oil
Layer of ink, and be dried, the ink for screen printing floor has ink logo area and the non-pattern area of ink；
OCA optical cements are coated on the lower surface of ITO conductive layer by step b, and remove the ink logo area with ink for screen printing floor
The corresponding OCA optical cements in position；
Bottom surface section region coating is had the upper surface that the ITO conductive layer of OCA optical cements is fitted in ink for screen printing layer by step c
On so that ITO conductive layer and the upper surface in the ink logo area of ink for screen printing floor have hollow space, form touch screen cover board.
9. the manufacturing method of touch screen cover board according to claim 8, which is characterized in that the manufacture of the touch screen cover board
Method further step d between step a and step b, it is specific as follows：
Step d forms ITO conductive layer by ito thin film sputter depositing material in the lower surface of PET film layer.
10. the manufacturing method of touch screen cover board according to claim 8, which is characterized in that the system of the touch screen cover board
It makes method and further comprises step d between step a and step b, it is specific as follows：
Step d forms ITO conductive layer by ito thin film sputter depositing material in the lower surface of polymer substrate layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021832.1A CN104793773B (en) | 2014-01-17 | 2014-01-17 | Touch LCD screen, touch screen cover board and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021832.1A CN104793773B (en) | 2014-01-17 | 2014-01-17 | Touch LCD screen, touch screen cover board and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104793773A CN104793773A (en) | 2015-07-22 |
| CN104793773B true CN104793773B (en) | 2018-10-23 |
Family
ID=53558637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410021832.1A Active CN104793773B (en) | 2014-01-17 | 2014-01-17 | Touch LCD screen, touch screen cover board and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104793773B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106485275B (en) * | 2016-10-10 | 2019-05-31 | 厦门理工学院 | A method of realizing that cover-plate glass is bonded with liquid crystal display positioning |
| CN107329636A (en) * | 2016-10-12 | 2017-11-07 | 东莞市锐屏电子有限公司 | A kind of structure improved capacitance touch screen |
| CN109064882B (en) * | 2018-07-18 | 2021-01-29 | 业成科技（成都）有限公司 | Display device and method for manufacturing the same |
| CN111243477B (en) * | 2018-11-28 | 2023-10-24 | 江西兴泰科技股份有限公司 | Electronic paper driving substrate |
| CN109445645A (en) * | 2018-12-28 | 2019-03-08 | 惠州市华星光电技术有限公司 | Touch screen and display device |
| CN110286782A (en) * | 2019-07-10 | 2019-09-27 | 盈天实业(深圳)有限公司 | Touch panel and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019420A (en) * | 2011-09-21 | 2013-04-03 | 联胜（中国）科技有限公司 | Touch display panel |
| CN103365498A (en) * | 2012-04-01 | 2013-10-23 | 深圳欧菲光科技股份有限公司 | Panel, touch screen comprising panel and method for manufacturing panel |
| CN103425376A (en) * | 2013-08-29 | 2013-12-04 | 格林精密部件（惠州）有限公司 | Capacitive touch screen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW523627B (en) * | 1998-07-14 | 2003-03-11 | Hitachi Ltd | Liquid crystal display device |
| CN103488320B (en) * | 2012-06-13 | 2016-08-17 | 深圳欧菲光科技股份有限公司 | There is contact panel and the manufacture method thereof of small window hole |
-
2014
- 2014-01-17 CN CN201410021832.1A patent/CN104793773B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019420A (en) * | 2011-09-21 | 2013-04-03 | 联胜（中国）科技有限公司 | Touch display panel |
| CN103365498A (en) * | 2012-04-01 | 2013-10-23 | 深圳欧菲光科技股份有限公司 | Panel, touch screen comprising panel and method for manufacturing panel |
| CN103425376A (en) * | 2013-08-29 | 2013-12-04 | 格林精密部件（惠州）有限公司 | Capacitive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104793773A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104793773B (en) | Touch LCD screen, touch screen cover board and its manufacturing method | |
| CN103631456B (en) | Film inductor, the capacitance touch screen comprising the inductor and preparation method thereof and end product | |
| CN106201103B (en) | Touch screen, display device and preparation method thereof | |
| CN203588244U (en) | Projection-type capacitive touch screen routing structure and projection-type capacitive touch screen | |
| CN102455821A (en) | Input device and method of producing input apparatus | |
| CN104765488B (en) | Touch window | |
| CN103927039B (en) | Flexible PCB, touch pad and the display with touch function | |
| CN103744554A (en) | Touch screen and manufacturing method thereof | |
| CN101458410B (en) | Touch control type lcd device touch control liquid crystal display | |
| CN105630233B (en) | Touch control display apparatus and preparation method thereof | |
| CN105653106A (en) | Capacitive touch screen with GF2 structure and manufacturing method therefor | |
| CN106020551A (en) | Flexible touch screen and manufacturing method thereof | |
| CN103197804A (en) | Display equipment | |
| CN103268181A (en) | Capacitive touch screen module and preparation method thereof | |
| CN203773526U (en) | Round projection capacitive touch screen | |
| CN208126256U (en) | A kind of display device and electronic equipment | |
| CN202838283U (en) | Capacitor touch screen | |
| CN110471560A (en) | Touch panel | |
| CN202838280U (en) | Thin-film sensor, capacitive touch screen containing the same and terminal product thereof | |
| CN201788496U (en) | Capacitive touch screen | |
| CN203825582U (en) | Touch screen | |
| CN205353980U (en) | OGS touch -control display screen and portable electronic products | |
| CN105425996B (en) | The manufacture method of contact panel and its frame circuit | |
| CN105094397B (en) | Touch device and its overlay module | |
| CN203849722U (en) | Capacitive touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180910 Address after: 425000 Daoxian County Industrial Park, Yongzhou, Hunan Applicant after: Daoxian County Huashun Technology Co., Ltd. Address before: 443302 Yangjia village, Honghua Town, Yidu City, Yichang, Hubei Applicant before: HUBEI HUASHANG PHOTOELECTRIC CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |