CN109459466A - A kind of display screen and equipment - Google Patents
A kind of display screen and equipment Download PDFInfo
- Publication number
- CN109459466A CN109459466A CN201811600851.4A CN201811600851A CN109459466A CN 109459466 A CN109459466 A CN 109459466A CN 201811600851 A CN201811600851 A CN 201811600851A CN 109459466 A CN109459466 A CN 109459466A
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- glass plate
- line impedance
- display screen
- cabling
- test point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The application provides a kind of display screen and equipment.The display screen includes: glass plate, circuit board and the N root cabling picked out from inside of glass plate, circuit board is mounted on the lower section of glass plate, M root cabling in N root cabling is picked out from inside of glass plate, test point is formed on circuit boards, for the test point for being measured to the line impedance in glass plate to identify whether glass plate is contaminated, N, M are positive integer.The program is by picking out the connecting line in glass plate to circuit board, the test point formed on circuit boards, the line impedance in glass is measured by the test point, and measured value is compared with the line impedance value of the free of contamination display screen or polluted display screen that measure in advance, it can identify whether be contaminated inside display screen effective and rapidly.
Description
Technical field
This application involves technical field of circuit design more particularly to a kind of display screen and equipment.
Background technique
If there is pollution conditions such as greasy dirt or sweat inside current display screen glass, by existing display screen manufacturer
Detection device detection parameter, whether can not there is greasy dirt or sweat to identify display screen inside.And there are greasy dirts for inside
Or the display screen of sweat is in use for some time, just will appear the problem of route corrodes.
It identifies whether be contaminated inside display screen how effective and rapidly, is current problem to be solved.
Summary of the invention
The application provides a kind of display screen and equipment, and existing pollution can be identified in the display screen.
In a first aspect, the application provides a kind of display screen, which includes: glass plate, circuit board and out of glass plate
The N root cabling that portion picks out, circuit board are mounted on the lower section of glass plate, and the M root cabling in N root cabling is picked out from inside of glass plate,
Test point is formed on circuit boards, which identifies that glass plate is for measuring to the line impedance in glass plate
No contaminated, N, M are positive integer.The program is by picking out the connecting line in glass plate to circuit board, shape on circuit boards
At test point, the line impedance in glass is measured by the test point, and by measured value in advance measure without dirt
The line impedance value of the display screen of dye or polluted display screen is compared, and can identify display screen effective and rapidly
Whether inside is contaminated.
In one possible implementation, above-mentioned display screen can also include chip, and above-mentioned N root cabling is out of glass plate
Portion picks out, and is connected to chip, and chip is connect with circuit board, and the M root cabling in N root cabling is picked out from chip, on circuit boards shape
At test point.In the program, it is only necessary to using the part cabling in all cablings picked out in glass plate, can measure from glass plate
Inside to chip, then to circuit board entire route with the presence or absence of pollution, realize and identify inside display screen effective and rapidly
Whether it is contaminated.
In one possible implementation, the M root cabling in above-mentioned N root cabling is picked out from inside of glass plate, in circuit
K test point is formed on plate, K is the positive integer no more than M.In this scenario, different according to the value of K, the pollution that can be measured
Situation accuracy difference can only measure such as when K is 1 with the presence or absence of pollution in display screen, when K is greater than 1, according to formation one
The distributing position of the cabling of a test point is different, can determine polluted position in display screen accordingly.
In one possible implementation, above-mentioned M root cabling is uniformly distributed in inside of glass plate.Due in display screen
When one position has pollution, different at a distance from pollution position according to line position is walked, the line impedance presented is also different, because
This, a cabling only can effectively and accurately reflect whether a part of region is contaminated, and M root cabling is evenly distributed on glass plate
Inside can more effectively reflect whether entire display screen is contaminated.
In one possible implementation, if the line impedance and first line impedance that are measured in above-mentioned test point
Match, then glass plate is contaminated, wherein first line impedance corresponding line impedance when being contaminated for glass plate；Alternatively, if upper
The line impedance for stating test point measurement is matched with the second line impedance, then glass plate is not contaminated, wherein the second line impedance is
Glass plate corresponding line impedance when not contaminated.In the program, by in advance measure when line impedance value, that is, may recognize that
Display screen to be measured is with the presence or absence of pollution.
Second aspect, the application provide a kind of equipment, which includes display screen, which includes: glass plate, circuit
Plate and the N root cabling contacted from inside of glass plate, circuit board is mounted on the lower section of glass plate, and the M root cabling in N root cabling is from glass
Picked out inside glass plate, form test point on circuit boards, the test point be used for the line impedance in glass plate measure with
Identify whether glass plate is contaminated, N, M are positive integer.The program is by picking out the connecting line in glass plate to circuit
Plate, the test point formed on circuit boards measure the line impedance in glass by the test point, and by measured value with
The line impedance value of the free of contamination display screen or polluted display screen that measure in advance is compared, can be effective and rapid
It identifies and whether is contaminated inside display screen in ground.
In one possible implementation, above-mentioned display screen can also include chip, and above-mentioned N root cabling is out of glass plate
Portion picks out, and is connected to chip, and chip is connect with circuit board, and the M root cabling in N root cabling is picked out from chip, on circuit boards shape
At test point.In the program, it is only necessary to using the part cabling in all cablings picked out in glass plate, can measure from glass plate
Inside to chip, then to circuit board entire route with the presence or absence of pollution, realize and identify inside display screen effective and rapidly
Whether it is contaminated.
In one possible implementation, the M root cabling in above-mentioned N root cabling is picked out from inside of glass plate, in circuit
K test point is formed on plate, K is the positive integer no more than M.In this scenario, different according to the value of K, the pollution that can be measured
Situation accuracy difference can only measure such as when K is 1 with the presence or absence of pollution in display screen, when K is greater than 1, according to formation one
The distributing position of the cabling of a test point is different, can determine polluted position in display screen accordingly.
In one possible implementation, above-mentioned M root cabling is uniformly distributed in inside of glass plate.Due in display screen
When one position has pollution, different at a distance from pollution position according to line position is walked, the line impedance presented is also different, because
This, a cabling only can effectively and accurately reflect whether a part of region is contaminated, and M root cabling is evenly distributed on glass plate
Inside can more effectively reflect whether entire display screen is contaminated.
In one possible implementation, if the line impedance and first line impedance that are measured in above-mentioned test point
Match, then glass plate is contaminated, wherein first line impedance corresponding line impedance when being contaminated for glass plate；Alternatively, if upper
The line impedance for stating test point measurement is matched with the second line impedance, then glass plate is not contaminated, wherein the second line impedance is
Glass plate corresponding line impedance when not contaminated.In the program, by in advance measure when line impedance value, that is, may recognize that
Display screen to be measured is with the presence or absence of pollution.
Detailed description of the invention
Fig. 1 is a kind of display screen schematic diagram provided by the present application；
Fig. 2 is another display screen schematic diagram provided by the present application.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application make into
One step it is described in detail.Concrete operation method in embodiment of the method also can be applied to Installation practice or system embodiment
In.Wherein, in the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
Fig. 1 is a kind of display screen schematic diagram provided by the present application, as shown in Figure 1, the display screen includes glass plate 100, electricity
Road plate 300 and the N root cabling picked out inside glass plate 100 (in Fig. 1 by taking N is equal to 5 as an example), circuit board is mounted on glass plate
Lower section, the M root in N root cabling (in Fig. 1 by taking M is equal to 3 as an example, 3 cablings are respectively cabling 101, cabling 102 and cabling 103)
It is picked out from inside of glass plate, forms test point 301 on the circuit board 300.The test point 301 is used to hinder the route in glass plate
Anti- to measure to identify whether glass plate is contaminated, N, M are positive integer.
Above scheme is led to by the way that the connecting line in glass plate is picked out the test point formed on circuit boards to circuit board
The test point is crossed to measure the line impedance in glass, and by measured value and the free of contamination display screen in advance measured or
Whether the line impedance value of polluted display screen is compared, can identify effective and rapidly dirty inside display screen
Dye.
In one possible implementation, by the line impedance value measured above by test point 301 with preset
Line impedance value be compared, with determine test display screen with the presence or absence of pollution.The preset line impedance threshold value
It can determine in the following manner:
Multiple free of contamination display screens are chosen, the inside glass of these free of contamination display screens equally exists M root cabling and connects
Out to circuit board, and test point is formed on circuit boards, the line impedance of these free of contamination display screens is tested by test point,
And be averaged, with the line impedance value inside the free of contamination display screen of determination.Then it chooses multiple dirty in different location presence
The display screen of dye, the inside glass of these polluted display screens equally exist M root cabling and pick out to circuit board, and in circuit
Test point is formed on plate, the line impedance of these polluted display screens is tested by test point, and record is corresponding respectively
Line impedance value.Wherein, the measurement of line impedance for example can be another to terminate at by connecing one section of ohmmeter in test point
It is realized on the ground wire of display screen connection.
In one possible implementation, if the line impedance and first line impedance that are measured in above-mentioned test point
Match, then glass plate is contaminated, wherein first line impedance corresponding line impedance when being contaminated for glass plate.It is measured Ru above-mentioned
Polluted display screen line impedance be A, the impedance for measuring tested display screen is also A, then it is assumed that in the display screen
There are pollutions.Alternatively, glass plate is not dirty if the line impedance in the measurement of above-mentioned test point is matched with the second line impedance
Dye, wherein the second line impedance is corresponding line impedance when glass plate is not contaminated.In the program, by with measure in advance
When line impedance value, that is, may recognize that display screen to be measured with the presence or absence of pollution.
In one possible implementation, above-mentioned display screen can also include chip 200, and above-mentioned N root cabling is from glass
It is picked out inside plate 100, is connected to chip 200, chip 200 is connect with circuit board 300, and the M root cabling in N root cabling is from chip
200 pick out, and form test point on the circuit board 300.The chip 200 is chip required for display screen works normally, chip 200
Line traffic control glass plate 100 is walked by N root, so that display screen shows required picture to be shown.In the program, it is only necessary to use glass
The part cabling in all cablings picked out in plate, can measure from inside of glass plate to chip, then to the entire line of circuit board
Road realizes with the presence or absence of pollution and identifies whether be contaminated inside display screen effective and rapidly.
In one possible implementation, the M root cabling in above-mentioned N root cabling is picked out from inside of glass plate, in circuit
K test point is formed on plate, K is the positive integer no more than M.In Fig. 1 by taking K is equal to 1 as an example, a test point 301 is only existed, is led to
The test point is crossed, can be determined in range corresponding to cabling 101, cabling 102 and cabling 103 with the presence or absence of pollution.
The case where K is greater than 1 is described below, Fig. 2 is another possible display screen schematic diagram provided by the present application, such as Fig. 2
Shown, in the display screen, cabling 101 forms test point 302 on the circuit board 300 after chip 200, and cabling 102 passes through core
Test point 303 is formed after piece 200 on the circuit board 300, cabling 103 forms test point after chip 200 on the circuit board 300
304.According to difference polluted in display screen, the line impedance measured on different cablings is difference, it is understood that is one
Root cabling can only be detected with the presence or absence of pollution in the cabling corresponding region, for example, working as the leftmost side in glass plate 100 has pollution
When, the influence of the line impedance measured to rightmost side cabling 103 is smaller, and the line impedance that leftmost side cabling 101 is measured
It is affected.By carrying out the measurement of impedance in test point 302, the corresponding region of cabling 101 can be determined with the presence or absence of dirt
Dye can determine that the corresponding region of cabling 102 with the presence or absence of pollution, passes through by carrying out the measurement of impedance in test point 303
The measurement that impedance is carried out in test point 304 can determine the corresponding region of cabling 103 with the presence or absence of pollution.
In one possible implementation, above-mentioned M root cabling is uniformly distributed in inside of glass plate.Due in display screen
When one position has pollution, different at a distance from pollution position according to line position is walked, the line impedance presented is also different, because
This, a cabling only can effectively and accurately reflect whether a part of region is contaminated, and M root cabling is evenly distributed on glass plate
Inside, the summation in region corresponding to every cabling are the region in entire display screen, can be in the feelings for not wasting cabling resource
Under condition, entire display screen is detected with the presence or absence of pollution.
Based on design identical with above scheme, the application also provides a kind of equipment, which includes: glass plate, electricity
Road plate and the N root cabling contacted from inside of glass plate, circuit board is mounted on the lower section of glass plate, the M root cabling in N root cabling from
Inside of glass plate picks out, and forms test point on circuit boards, and the test point is for measuring the line impedance in glass plate
To identify whether glass plate is contaminated, N, M are positive integer.The program is by picking out the connecting line in glass plate to circuit
Plate, the test point formed on circuit boards measure the line impedance in glass by the test point, and by measured value with
The line impedance value of the free of contamination display screen or polluted display screen that measure in advance is compared, can be effective and rapid
It identifies and whether is contaminated inside display screen in ground.
In one possible implementation, above-mentioned display screen can also include chip, and above-mentioned N root cabling is out of glass plate
Portion picks out, and is connected to chip, and chip is connect with circuit board, and the M root cabling in N root cabling is picked out from chip, on circuit boards shape
At test point.
In one possible implementation, the M root cabling in above-mentioned N root cabling is picked out from inside of glass plate, in circuit
K test point is formed on plate, K is the positive integer no more than M.In this scenario, different according to the value of K, the pollution that can be measured
Situation accuracy difference can only measure such as when K is 1 with the presence or absence of pollution in display screen, when K is greater than 1, according to formation one
The distributing position of the cabling of a test point is different, can determine polluted position in display screen accordingly.
In one possible implementation, above-mentioned M root cabling is uniformly distributed in inside of glass plate.Due in display screen
When one position has pollution, different at a distance from pollution position according to line position is walked, the line impedance presented is also different, because
This, a cabling only can effectively and accurately reflect whether a part of region is contaminated, and M root cabling is evenly distributed on glass plate
Inside can more effectively reflect whether entire display screen is contaminated.
In one possible implementation, if the line impedance and first line impedance that are measured in above-mentioned test point
Match, then glass plate is contaminated, wherein first line impedance corresponding line impedance when being contaminated for glass plate；Alternatively, if upper
The line impedance for stating test point measurement is matched with the second line impedance, then glass plate is not contaminated, wherein the second line impedance is
Glass plate corresponding line impedance when not contaminated.
The display screen that above equipment includes is identical as display screen described in aforementioned any embodiment, embodiments thereof and has
Beneficial effect can refer to foregoing description, and details are not described herein.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of display screen characterized by comprising glass plate, circuit board and the N root picked out from the inside of glass plate are walked
Line, the circuit board are mounted on the lower section of the glass plate, and the M root cabling in the N root cabling connects from the inside of glass plate
Out, form test point on the circuit board, the test point be used to measure the line impedance in the glass plate with
Identify whether the glass plate is contaminated, N, M are positive integer.
2. display screen as described in claim 1, which is characterized in that the display screen further includes chip, and the N root cabling is from institute
It states inside of glass plate to pick out, is connected to the chip, the chip is connect with the circuit board, the M in the N root cabling
Root cabling is picked out from the chip, and the test point is formed on the circuit board.
3. display screen as claimed in claim 1 or 2, which is characterized in that M root cabling in the N root cabling is from the glass
Intralamellar part picks out, and K test point is formed on the circuit board, and K is the positive integer no more than M.
4. display screen as claimed in claim 1 or 2, which is characterized in that the M root cabling uniformly divides in the inside of glass plate
Cloth.
5. display screen as claimed in claim 1 or 2, which is characterized in that if in the line impedance and the of test point measurement
The matching of one line impedance, then the glass plate is contaminated, and the first line impedance is that the glass plate is corresponding when contaminated
Line impedance；Alternatively,
If matching in the line impedance of test point measurement with the second line impedance, the glass plate is not contaminated, described
Second line impedance is corresponding line impedance when the glass plate is not contaminated.
6. a kind of equipment, which is characterized in that the equipment includes display screen, the display screen include: glass plate, circuit board and from
The N root cabling that the inside of glass plate picks out, the circuit board are mounted on the lower section of the glass plate, the M in the N root cabling
Root cabling is picked out from the inside of glass plate, and test point is formed on the circuit board, and the test point is used for the glass
Line impedance in plate is measured to identify whether the glass plate is contaminated, and N, M are positive integer.
7. equipment as claimed in claim 6, which is characterized in that the display screen further includes chip, and the N root cabling is from described
Inside of glass plate picks out, and is connected to the chip, and the chip is connect with the circuit board, the M root in the N root cabling
Cabling is picked out from the chip, and the test point is formed on the circuit board.
8. equipment as claimed in claims 6 or 7, which is characterized in that M root cabling in the N root cabling is from the glass plate
Inside picks out, and K test point is formed on the circuit board, and K is the positive integer no more than M.
9. equipment as claimed in claims 6 or 7, which is characterized in that the M root cabling uniformly divides in the inside of glass plate
Cloth.
10. equipment as claimed in claims 6 or 7, which is characterized in that if in the line impedance and first of test point measurement
Line impedance matching, then the glass plate is contaminated, and the first line impedance is corresponding line when the glass plate is contaminated
Roadlock is anti-；Alternatively,
If matching in the line impedance of test point measurement with the second line impedance, the glass plate is not contaminated, described
Second line impedance is corresponding line impedance when the glass plate is not contaminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600851.4A CN109459466A (en) | 2018-12-26 | 2018-12-26 | A kind of display screen and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600851.4A CN109459466A (en) | 2018-12-26 | 2018-12-26 | A kind of display screen and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459466A true CN109459466A (en) | 2019-03-12 |
Family
ID=65614701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811600851.4A Pending CN109459466A (en) | 2018-12-26 | 2018-12-26 | A kind of display screen and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459466A (en) |
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