CN112835477A - Anti-scratch glass structure projection type capacitive screen - Google Patents

Anti-scratch glass structure projection type capacitive screen Download PDF

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Publication number
CN112835477A
CN112835477A CN202110256476.1A CN202110256476A CN112835477A CN 112835477 A CN112835477 A CN 112835477A CN 202110256476 A CN202110256476 A CN 202110256476A CN 112835477 A CN112835477 A CN 112835477A
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CN
China
Prior art keywords
glass
functional sheet
cover plate
conductive layers
ito conductive
Prior art date
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Pending
Application number
CN202110256476.1A
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Chinese (zh)
Inventor
苏飞
蔡光荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Da Da Qi Technology Co ltd
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Sichuan Da Da Qi Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Da Da Qi Technology Co ltd filed Critical Sichuan Da Da Qi Technology Co ltd
Priority to CN202110256476.1A priority Critical patent/CN112835477A/en
Publication of CN112835477A publication Critical patent/CN112835477A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

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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)
  • Position Input By Displaying (AREA)
  • Laminated Bodies (AREA)

Abstract

An anti-scratch projection type capacitive screen with a glass structure. The glass functional sheet comprises a glass functional sheet and a glass cover plate, wherein ITO conducting layers are arranged on two sides of the glass functional sheet respectively, one side of the glass functional sheet is pasted with the glass cover plate through SCA optical cement, a glass bottom plate is arranged on the other side of the glass functional sheet, and the glass bottom plate is pasted with the glass functional sheet through the SCA optical cement. The invention effectively protects the glass functional sheet with the ITO conductive layers on the two sides, and the scratch resistance of the glass cover plate and the glass bottom plate is far higher than that of the ITO conductive layers of the glass functional sheet, and the ITO conductive layers cannot be damaged by external force, so that the ITO conductive layers can be effectively prevented from being scratched. Effectively prolonging the service life of the product. The product has simple structure and is beneficial to popularization.

Description

Anti-scratch glass structure projection type capacitive screen
Technical Field
The invention relates to a screen for an electronic product, in particular to a scratch-resistant projection type capacitive screen with a glass structure.
Background
At present, a projection type capacitive screen widely used for a touch screen in an electronic product mainly comprises a glass cover plate and a glass functional sheet, wherein SCA optical glue is adopted for adhering the glass cover plate and the glass functional sheet, ITO (indium Tin oxides) conducting layers are respectively arranged on two surfaces of the glass functional sheet, and the conducting layers respectively correspond to electrode layers in the X-axis direction and the Y-axis direction. When a finger touches the touch screen, a coupling capacitor is formed on the surface of the touch screen due to the human body electric field, and the controller obtains the position of a touch point through calculation, so that the purpose of touching the touch screen is achieved. Based on the convenience of touch operation, the projected capacitive screen is now widely used in various fields such as mobile phones, computers, electrical appliances and the like in our daily life. However, the existing touch screen only adopts a combination mode of a glass cover plate and a glass functional sheet, and the two sides of the glass functional sheet are both provided with ITO conductive layers, so that after the glass functional sheet is attached to the glass cover plate, the ITO conductive layer on the other side of the glass functional sheet is exposed, and the circuit is easily scratched when the touch screen is in use, so that the touch screen loses the touch function, and inconvenience is brought to the use of people.
Disclosure of Invention
The invention provides a scratch-resistant glass-structure projection type capacitive screen, aiming at solving the problem that the existing projection type capacitive touch screen cannot work due to the fact that lines are easy to scratch in use.
The technical scheme adopted by the invention for solving the technical problems is as follows: the glass functional sheet comprises a glass functional sheet and a glass cover plate, wherein ITO conducting layers are arranged on two sides of the glass functional sheet respectively, one side of the glass functional sheet is pasted with the glass cover plate through SCA optical cement, a glass bottom plate is arranged on the other side of the glass functional sheet, and the glass bottom plate is pasted with the glass functional sheet through the SCA optical cement. Because the invention adopts a 3-layer glass structure, namely the structure of the glass cover plate, the glass functional sheet and the glass bottom plate, the glass functional sheet with ITO conductive layers arranged on two sides is effectively protected, and because the scratch resistance of the glass cover plate and the glass bottom plate is far higher than that of the ITO conductive layers of the functional sheet glass, and the ITO conductive layers can not be damaged by external force, the scratch can be effectively prevented.
The invention has the beneficial effects that: when the operation of people is not influenced, the product is more resistant to scratch, the function is more guaranteed, the working stability of the touch screen is improved, and the service life of the product is effectively prolonged. The product has simple structure and is beneficial to popularization.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a schematic structural diagram of a conventional product.
FIG. 2 is a schematic structural diagram of the present invention.
Code description in the figure: 1-glass functional sheet; 2-a glass cover plate; 3. A 4-ITO conductive layer; 5. 7-SCA optical cement; 6-glass bottom plate.
Detailed Description
As shown in fig. 1, in the structure of the conventional capacitive touch screen, a double-layer glass combination mode of a glass cover plate and a glass functional sheet is widely adopted, wherein ITO conductive layers (3) and (4) are arranged on two sides of the glass functional sheet (1), and SCA optical cement (5) is used for adhering the glass cover plate and the glass functional sheet, so that the glass cover plate and the glass functional sheet are combined into a whole. However, because the ITO conductive layers are arranged on the two surfaces of the glass functional sheet, the ITO conductive layer (4) on one surface of the glass functional sheet is still exposed after combination, and is easy to scratch when in use, thereby influencing the use of products.
As shown in figure 2, the invention adopts a three-layer glass structure, wherein ITO conductive layers (3) and (4) are arranged on two surfaces of a glass functional sheet (1), one surface of the glass functional sheet is attached to a glass cover plate (2) through SCA optical cement (5), and the other surface of the glass functional sheet is attached to a glass bottom plate (6) through SCA optical cement (7), so that the glass functional sheet with the ITO conductive layers on the two surfaces can be effectively protected, the scratch in use is prevented, the normal use of the product is ensured, the working stability of the touch screen is improved, and the product performance is improved.

Claims (1)

1. The utility model provides an anti scratch glass structure throws formula electric capacity screen, includes glass function piece and glass apron, is equipped with the ITO conducting layer respectively on the two sides of glass function piece, and SCA optical cement is passed through to the one side of glass function piece and glass apron pastes characterized by: and a glass bottom plate is arranged on the other side of the glass functional sheet and is adhered to the glass functional sheet through an SCA optical adhesive layer.
CN202110256476.1A 2021-03-09 2021-03-09 Anti-scratch glass structure projection type capacitive screen Pending CN112835477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110256476.1A CN112835477A (en) 2021-03-09 2021-03-09 Anti-scratch glass structure projection type capacitive screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110256476.1A CN112835477A (en) 2021-03-09 2021-03-09 Anti-scratch glass structure projection type capacitive screen

Publications (1)

Publication Number Publication Date
CN112835477A true CN112835477A (en) 2021-05-25

Family

ID=75929917

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110256476.1A Pending CN112835477A (en) 2021-03-09 2021-03-09 Anti-scratch glass structure projection type capacitive screen

Country Status (1)

Country Link
CN (1) CN112835477A (en)

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210525

WD01 Invention patent application deemed withdrawn after publication