CN108362244A - Show the metering method and its Mobile phone screen of Y-direction length after FPC is unfolded - Google Patents
Show the metering method and its Mobile phone screen of Y-direction length after FPC is unfolded Download PDFInfo
- Publication number
- CN108362244A CN108362244A CN201711234169.3A CN201711234169A CN108362244A CN 108362244 A CN108362244 A CN 108362244A CN 201711234169 A CN201711234169 A CN 201711234169A CN 108362244 A CN108362244 A CN 108362244A
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- China
- Prior art keywords
- fpc
- display
- backlight module
- direction length
- expansion
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Abstract
It is a kind of display FPC expansion after Y-direction length metering method, it is characterised in that：It includes the following steps：(1) the radius R for showing FPC in bending place is calculated：R=(2D1+D2)/2 wherein D1 is the thickness for showing FPC, and D2 is distance of the TFT substrate front to the backlight module back side, and the unit of D1 and D2 are mm；(2) Y-direction length L after showing FPC expansion is calculated：L=(H2+H3 R)+π R+ (H1+H2 R)=H1+2H2+H3+ (2 π D1+ π D2 4D1 2D2)/2；The metering method of Y-direction length can directly be calculated according to fixed mathematical formulae after display FPC expansion, convenient and efficient and accuracy significantly improves.In addition also provide it is a kind of can Fast Installation by above-mentioned computational methods obtain display FPC Mobile phone screen.
Description
Technical field
The present invention relates to technical field of mobile phones, and in particular to it is a kind of display FPC expansion after Y-direction length metering method and
Its Mobile phone screen.
Background technology
For TFT display modules at design initial stage, client usually can only provide the signal after simple display FPC1a bendings
Figure.Designer needs display FPC1a such as Fig. 1 institutes after bending when project decides on a verdict and makes the accessory drawing for showing FPC1a
Show, is completely launched into as shown in Fig. 2, and forming 2D engineering drawings and being given to FPC suppliers to make sample.Designer is normal at present
The way of rule is that the bending track of display FPC1a is drawn out by the way of multi-line section simulation, then by these bending track phases
Add to obtain the Y-direction length after display FPC1a expansion, be set using this method for being unfamiliar with the new hand of display module internal structure
It is time-consuming and easily malfunction for meter personnel.
Invention content
The technical problem to be solved by the present invention is to：There is provided one kind can directly be calculated according to fixed mathematical formulae, is square
Just the metering method of Y-direction length after the display FPC expansion that quick and accuracy significantly improves.
Technical solution of the invention is：The metering method of Y-direction length after a kind of display FPC expansion, feature exists
In：It includes the following steps：
(1) the radius R for showing FPC in bending place is calculated：
R=(2D1+D2)/2
Wherein D1 is the thickness for showing FPC, and D2 is TFT substrate front to the distance at the backlight module back side, the list of D1 and D2
Position is mm；
(2) Y-direction length L after showing FPC expansion is calculated：
L=(H2+H3-R)+π R+ (H1+H2-R)
=H1+2H2+H3+ (2 π D1+ π D2-4D1-2D2)/2；
Wherein H1 be show FPC bending after Y-direction shape side arrive backlight module bottom distance, H2 be show FPC it is curved
Its bottom protrudes the distance of backlight module bottom after folding, and H3 is the top edge to backlight module bottom in the bonding area for showing FPC
The unit of distance, H1, H2, H3 is mm.
After the above method, the present invention has the following advantages：
The known parameters H1 that as long as metering method of Y-direction length gives according to client after present invention display FPC expansion,
H2, H3, D1, D2 can be directly calculated using fixed mathematical formulae, and convenience of calculation is quick, even to display module
Internal structure is not the new hand designer being very familiar with, and can quickly and accurately obtain result of calculation yet.
Preferably, further including that the L values being calculated in step (2) are subtracted 0.6mm, as the side Y after display FPC expansion
To final lengths.The distance H2 of backlight module is protruded for its bottom after display FPC bendings, cell-phone customer terminal is shown in order to prevent
Show that FPC interferes with casing, is all to carry out management and control by maximum value, in order to evade the deviation for ± 0.3mm that producing line assembling bending generates,
It needs display FPC pulling up 0.3mm, Y-direction length, that is, 2* after conversion to display FPC expansion at actual design prominent position
0.3mm=0.6mm.
Preferably, the ITO in the binding area that the top edge in the binding area of the display FPC is defined within TFT substrate draws
The lower section on the top of foot and distance D3 are 0.08mm~0.12mm.Because showing that FPC has punching tolerance and bonding machines is poor,
If being generally flush with design, situation top after FPC is likely to occur bonding is shown, and the top of the adjacent ITO pins in TFT substrate is
Tilted direction cabling may cause between adjacent ITO pins that there is a situation where short circuits between the upper and lower away from smaller after display FPC is top.
Another technical problem to be solved by the present invention is that：There is provided it is a kind of can Fast Installation obtained by above-mentioned computational methods it is aobvious
Show the Mobile phone screen of FPC.
The present invention another technical solution be：A kind of Mobile phone screen, including touch aobvious module and the backlight mould equipped with iron frame
Group, the tactile aobvious module includes the display FPC obtained by above-mentioned computational methods, it is characterised in that：The iron frame of the backlight module
It is equipped with the shape side in the directions XY after the contraposition pressing line that two intersect vertically is bent with quick locating and displaying FPC.
With the above structure, the present invention has the following advantages：
Two contraposition pressing lines to intersect vertically are arranged in Mobile phone screen of the present invention on the iron frame of backlight module, can make display
The shape side in the directions XY can be quickly and accurately positioned after FPC bendings, ensure that obtained by above-mentioned computational methods in this way
Display FPC installation after can meet the size requirement of client, and install quick, position does not deviate accurately.
Preferably, two contraposition pressing lines on the iron frame of the backlight module show XY after FPC bendings relatively respectively
The shape side in direction extends out D4, D5, and described D4, D5 are 0.08mm~0.12mm.The setting can make two pressing lines will not be curved
FPC after folding is blocked, so that producing line employee's self-test identifies deviation.
Preferably, two contrapositions pressing line is stamped and formed out on iron frame, depth is less than 0.03mm.The setting
It can prevent that iron frame press depth is excessive and form protrusion in the one side close to backlight module, backlight is caused to weigh wounded.
Description of the drawings
Fig. 1 is that existing Mobile phone screen shows the structural schematic diagram after FPC bendings；
Fig. 2 is that existing Mobile phone screen shows the structural schematic diagram after FPC expansion；
Fig. 3 is the side view of Mobile phone screen of the present invention；
Fig. 4 is the positive partial schematic diagram of Mobile phone screen of the present invention；
Fig. 5 is the partial schematic diagram at the Mobile phone screen back side of the present invention；
Fig. 6 is the structural schematic diagram in the binding area of Mobile phone screen of the present invention；
Fig. 7 is another structural schematic diagram in the binding area of Mobile phone screen of the present invention；
Fig. 8 is the structural schematic diagram of the iron frame of Mobile phone screen of the present invention；
In prior art diagram：1a- shows FPC；
In figure of the present invention：1- shows FPC, 2- backlight modules, 3- shapes side, 4- backlight modules bottom, the bottoms 5- display FPC
Portion, 6- show that the binding area of FPC, 7- show the top edge in the binding area of FPC, 8-ITO pins, 9- iron frames, 10- contraposition coinings
Line, 11- down polaroids, 12-TFT substrates.
Specific implementation mode
Below in conjunction with the accompanying drawings, and in conjunction with the embodiments the present invention is described further.
Embodiment 1：
As shown in Figures 3 to 6, the metering method of Y-direction length after a kind of display FPC is unfolded, it includes the following steps：
(1) the radius R for showing FPC1 in bending place is calculated：
R=(2D1+D2)/2
Wherein D1 is the thickness for showing FPC1, and D2 is the distance that 2 back side of backlight module is arrived in 12 front of TFT substrate, and D2 includes
The data of the thickness of the thickness of TFT substrate 12, the thickness and backlight module 2 of down polaroid 11, D1 and D2 are client requirements,
For given data, the unit of D1 and D2 are mm,；
(2) Y-direction length L after showing FPC1 expansion is calculated：
As shown in figure 3, using LN as boundary, L is divided into tri- sections, wherein L1=H2+H3-R, L2=π R of L1, L2, L3,
L3=H1+H2-R, to obtain：
L=(H2+H3-R)+π R+ (H1+H2-R)
=H1+2H2+H3+ (2 π D1+ π D2-4D1-2D2)/2；
Wherein H1 is that the distance of 2 bottom 4 of backlight module is arrived on the shape side 3 of Y-direction after showing FPC1 bendings, and H2 is display
Its bottom 5 protrudes the distance of 2 bottom 4 of backlight module after FPC1 bendings, and H3 is that the back of the body is arrived in the top edge 7 in the bonding area 6 for showing FPC1
The distance of 2 bottom 4 of optical mode group, the unit of H1, H2, H3 are mm.
The known parameters H1 that as long as metering method of Y-direction length gives according to client after present invention display FPC expansion,
H2, H3, D1, D2 can be directly calculated using fixed mathematical formulae, and convenience of calculation is quick, even to display module
Internal structure is not the new hand designer being very familiar with, and can quickly and accurately obtain result of calculation yet.
Preferably, further including that the L values being calculated in step (2) are subtracted 0.6mm, as Y after display FPC1 expansion
The final lengths in direction.For display FPC1 bending after its bottom 5 protrude backlight module 2 distance H2, cell-phone customer terminal in order to
It prevents display FPC1 from interfering with casing, is all to carry out management and control by maximum value, in order to evade ± the 0.3mm that producing line assembling bending generates
Deviation, at actual design prominent position need will display FPC1 pull up 0.3mm, conversion to display FPC1 expansion after Y-direction
Length, that is, 2*0.3mm=0.6mm.
Preferably, as shown in fig. 7, the top edge 7 in the binding area 6 of the display FPC1 is defined within TFT substrate 12
Binding area ITO pins 8 top lower section and distance D3 be 0.08mm~0.12mm.Because showing that FPC1 has punching
It cuts tolerance and bonding machines is poor, if being generally flush with design, show situation top after FPC1 is likely to occur bonding, and in TFT substrate 12
The tops of adjacent ITO pins 8 be tilted direction cabling, between the upper and lower away from smaller, adjacent ITO may be caused to draw after display FPC1 is top
There is a situation where short circuits between foot 8.
Embodiment 2：
As shown in figure 8, a kind of Mobile phone screen, including aobvious module and the backlight module 2 equipped with iron frame 9 are touched, it is described to touch aobvious module
Include the display FPC1 obtained by the computational methods of embodiment 1, the iron frame 9 of the backlight module 2 intersects vertically equipped with two
Contraposition pressing line 10 with quick locating and displaying FPC1 bend after the directions XY shape side 3.
Two contraposition pressing lines 10 to intersect vertically are arranged in Mobile phone screen of the present invention on the iron frame 9 of backlight module 2, can make to show
Show that the shape side 3 in the directions XY after FPC1 is bent can be quickly and accurately positioned, is ensured that in this way by above-mentioned computational methods
It can meet the size requirement of client after obtained display FPC1 installations, and install quickly, position does not deviate accurately.
Preferably, after the opposite display FPC1 of two contraposition pressing lines 10 on the iron frame 9 of the backlight module 2 is bent
The shape side 3 in the directions XY extends out D4, D5, and described D4, D5 are 0.08mm~0.12mm.The setting can make two pressing lines will not be by
FPC after bending is blocked, so that producing line employee's self-test identifies deviation.
Preferably, two contrapositions pressing line 10 is stamped and formed out on iron frame 9, depth is less than 0.03mm.It should
Being arranged can prevent 9 press depth of iron frame excessive and form protrusion in the one side close to backlight module 2, and backlight is caused to weigh wounded.
Claims (6)
1. the metering method of Y-direction length after a kind of display FPC expansion, it is characterised in that：It includes the following steps：
(1) the radius R for showing FPC (1) in bending place is calculated：
R=(2D1+D2)/2
Wherein D1 be show FPC (1) thickness, D2 be TFT substrate (12) front arrive backlight module (2) back side distance, D1 and
The unit of D2 is mm；
(2) Y-direction length L after showing FPC (1) expansion is calculated：
L=(H2+H3-R)+π R+ (H1+H2-R)
=H1+2H2+H3+ (2 π D1+ π D2-4D1-2D2)/2；
Wherein H1 is that the distance of backlight module (2) bottom (4) is arrived on the shape side (3) of Y-direction after showing FPC (1) bendings, and H2 is aobvious
Show that the distance of its bottom (5) prominent backlight module (2) bottom (4) after FPC (1) is bent, H3 are the bonding area (6) for showing FPC (1)
Top edge (7) arrive backlight module (2) bottom (4) distance, the unit of H1, H2, H3 are mm.
2. the metering method of Y-direction length after a kind of display FPC expansion according to claim 1, it is characterised in that：Also wrap
It includes and the L values being calculated in step (2) is subtracted into 0.6mm, the final lengths of Y-direction after being unfolded as display FPC (1).
3. the metering method of Y-direction length after a kind of display FPC expansion according to claim 1, it is characterised in that：It is described
The top edge (7) in the binding area (6) of display FPC (1) is defined within the top of the ITO pins (8) in the binding area of TFT substrate (12)
The lower section at end and distance D3 are 0.08mm~0.12mm.
4. a kind of Mobile phone screen, including aobvious module and the backlight module (2) equipped with iron frame (9) are touched, the tactile aobvious module includes by weighing
Profit requires the display FPC (1) that any metering method described in 1-3 obtains, it is characterised in that：The backlight module (2)
The directions XY is outer after iron frame (9) is bent equipped with two contraposition pressing lines (10) to intersect vertically with quick locating and displaying FPC (1)
Shape side (3).
5. a kind of Mobile phone screen according to claim 4, it is characterised in that：Two on the iron frame (9) of the backlight module (2)
The shape side (3) in the directions XY extends out D4, D5, described D4, D5 after item contraposition pressing line (10) is bent with respect to display FPC (1) respectively
For 0.08mm~0.12mm.
6. a kind of Mobile phone screen according to claim 4, it is characterised in that：Two contraposition pressing lines (10) are in iron frame
(9) it is stamped and formed out on, depth is less than 0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234169.3A CN108362244A (en) | 2017-11-30 | 2017-11-30 | Show the metering method and its Mobile phone screen of Y-direction length after FPC is unfolded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234169.3A CN108362244A (en) | 2017-11-30 | 2017-11-30 | Show the metering method and its Mobile phone screen of Y-direction length after FPC is unfolded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108362244A true CN108362244A (en) | 2018-08-03 |
Family
ID=63010098
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711234169.3A Pending CN108362244A (en) | 2017-11-30 | 2017-11-30 | Show the metering method and its Mobile phone screen of Y-direction length after FPC is unfolded |
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| Country | Link |
|---|---|
| CN (1) | CN108362244A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114241922A (en) * | 2021-12-31 | 2022-03-25 | 合肥维信诺科技有限公司 | Display panel and display module |
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|---|---|---|---|---|
| JPS6488778A (en) * | 1987-09-30 | 1989-04-03 | Toshiba Corp | Production of development of bent parts |
| JPH06317506A (en) * | 1992-11-09 | 1994-11-15 | Mitsubishi Electric Corp | Operation processing device and piping layout position setting method |
| CN104138938A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Spread length parameter determination method and production method for sheet metal part adopting double edge bending |
| CN206002803U (en) * | 2016-08-05 | 2017-03-08 | 硕诺科技（深圳）有限公司 | A kind of liquid crystal display module |
-
2017
- 2017-11-30 CN CN201711234169.3A patent/CN108362244A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6488778A (en) * | 1987-09-30 | 1989-04-03 | Toshiba Corp | Production of development of bent parts |
| JPH06317506A (en) * | 1992-11-09 | 1994-11-15 | Mitsubishi Electric Corp | Operation processing device and piping layout position setting method |
| CN104138938A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Spread length parameter determination method and production method for sheet metal part adopting double edge bending |
| CN206002803U (en) * | 2016-08-05 | 2017-03-08 | 硕诺科技（深圳）有限公司 | A kind of liquid crystal display module |
Non-Patent Citations (1)
| Title |
|---|
| 蔡敬义: "薄钢板折弯零件展开尺寸的计算", 《江苏电器》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114241922A (en) * | 2021-12-31 | 2022-03-25 | 合肥维信诺科技有限公司 | Display panel and display module |
| CN114241922B (en) * | 2021-12-31 | 2023-10-31 | 合肥维信诺科技有限公司 | Display panel and display module |
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Application publication date: 20180803 |