CN105472878A - Flexible printed circuit and display apparatus - Google Patents

Flexible printed circuit and display apparatus Download PDF

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Publication number
CN105472878A
CN105472878A CN201610005824.7A CN201610005824A CN105472878A CN 105472878 A CN105472878 A CN 105472878A CN 201610005824 A CN201610005824 A CN 201610005824A CN 105472878 A CN105472878 A CN 105472878A
Authority
CN
China
Prior art keywords
folding line
district
circuit board
flexible circuit
substrate
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.)
Pending
Application number
CN201610005824.7A
Other languages
Chinese (zh)
Inventor
黄栽
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.)
AU Optronics Xiamen Corp
AU Optronics Corp
Original Assignee
AU Optronics Xiamen Corp
AU Optronics Corp
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 AU Optronics Xiamen Corp, AU Optronics Corp filed Critical AU Optronics Xiamen Corp
Priority to CN201610005824.7A priority Critical patent/CN105472878A/en
Priority to TW105106512A priority patent/TWI581675B/en
Publication of CN105472878A publication Critical patent/CN105472878A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0277Bendability or stretchability details
    • H05K1/028Bending or folding regions of flexible printed circuits
    • H05K1/0281Reinforcement details thereof
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2009Reinforced areas, e.g. for a specific part of a flexible printed circuit

Abstract

The invention discloses a flexible printed circuit and a display apparatus applying same. The flexible printed circuit comprises a substrate and a reinforced pattern, wherein the substrate comprises a first region, a second region, a third region, a first simulated bending line and a second simulated bending line; the first region, the second region and the third region are adjacent in sequence; the first simulated bending line is positioned in the junction of the first region and the second region; the second simulated bending line is positioned in the junction of the second region and the third region; the substrate is suitable for being bent along the first simulated bending line and the second simulated bending line; the reinforced pattern is arranged on the first surface of the substrate and is positioned in the second region; the reinforced pattern comprises multiple convex ribs; and at least a part of the convex ribs and the first simulated bending line form an inclined angle theta, wherein theta is greater than 0 degree.

Description

Flexible circuit board and display unit
Technical field
The invention relates to a kind of flexible circuit board and display unit.
Background technology
The dependence of the mankind to electronic product grows with each passing day now.For high-speed in response to electronic product, high-effect and frivolous demand, the flexible circuit board with deflection characteristic has been widely used in various electronic installation, such as vehicle display, notebook computer, mobile phone and digital still camera ... Deng.
For example, existing liquid crystal indicator generally comprises display panels (LCDpanel) and backlight module, and wherein display panels is arranged on backlight module.In addition, due to the thickness slimming day by day of display unit, flexible circuit board (flexibleprintedcircuit, be called for short FPC) one end be connected to the periphery circuit region of display panels, and to connect drive circuit board below other end reflexed to backlight module, but there is stress to exist after flexible circuit board bending, when bending angle is larger, can arch upward and mutually to extrude with housing and stressed in larger and its side of stress that flexible circuit board produces, cause that flexible circuit board and display panels junction are peeled off, display frame is bad or housing is out of shape problems such as turning up.
Summary of the invention
One embodiment of the invention proposes a kind of flexible circuit board, comprise substrate and be arranged on the strengthening pattern on the first surface of substrate, substrate comprises the firstth adjacent successively district, the secondth district and the 3rd district, first intends the intersection that folding line is positioned at the firstth district and the secondth district, second intends the intersection that folding line is positioned at the secondth district and the 3rd district, and substrate is suitable for intending folding line and second along first and intends folding line bending.Strengthening pattern is positioned at the secondth district and comprises multiple fin, and at least part of fin and first is intended folding line and had an angle theta, θ >0.
In one embodiment of this invention, the first groove and the second groove to be positioned on substrate and corresponding first to intend the position that folding line and second intends folding line respectively.
In one embodiment of this invention, the first groove and the second groove are positioned at substrate away from strengthening second of pattern.
In one embodiment of this invention, the width of fin is w1, and the spacing between two fins is w2, and the thickness of substrate is that h, w1 and w2 meet following relation: h/2≤w1≤2h, and w2≤2h.
In one embodiment of this invention, θ is roughly 90 degree.
In one embodiment of this invention, each fin has to be intended the first edge of folding line near first and intends the second edge of folding line near second, first edge and first is intended folding line and is had distance p, second edge and second is intended folding line and is had distance q, wherein p≤0 and p is identical numerical value, or q≤0 and q is identical numerical value.
In one embodiment of this invention, each fin has to be intended the first edge of folding line near first and intends the second edge of folding line near second, first edge and first is intended folding line and is had distance p, second edge and second is intended folding line and is had distance q, wherein p≤0 and p are the numerical value do not waited, or q≤0 and q are numerical value not etc.
In addition, the invention provides a kind of display unit, it comprises above-mentioned flexible circuit board, display floater and backlight module.Display floater is connected with the firstth district of substrate, and backlight module is positioned at below display floater, and the firstth district of flexible circuit board, the secondth district and the 3rd district are ㄈ shape and coated backlight module.
In one embodiment of this invention, backlight module has the sidewall near the secondth district, and first intends folding line and second intends the top and bottom that folding line corresponds respectively to sidewall.
Flexible circuit board of the present invention and display unit are by arranging strengthening pattern on flexible circuit board, and the fin and first of strengthening pattern is intended folding line and is had angle theta, θ >0, the planarization of vertical plane during flexible circuit board bending can be maintained, avoid in prior art and cause flexible circuit board to arch upward because stress during bending is concentrated mutually extruding with housing and stressed, cause that flexible circuit board and display panels junction are peeled off, display frame is bad or housing is out of shape problems such as turning up.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 illustrates the vertical view of a kind of flexible circuit board into first embodiment of the invention.
Fig. 2 illustrates as the cutaway view along AA ' line in Fig. 1.
Fig. 3 illustrates as the cutaway view along BB ' line in Fig. 1.
Fig. 4 illustrates the vertical view of a kind of flexible circuit board into second embodiment of the invention.
Fig. 5 illustrates the vertical view of a kind of flexible circuit board into third embodiment of the invention.
Fig. 6 illustrates the end view after into the flexible circuit board bending of first embodiment of the invention.
Fig. 7 illustrates the vertical view of a kind of flexible circuit board into fourth embodiment of the invention.
Fig. 8 illustrates the end view after into a kind of flexible circuit board bending of fourth embodiment of the invention.
Fig. 9 illustrates the partial sectional view of a display unit of the flexible circuit board into applying fourth embodiment of the invention.
Figure 10 illustrates the distortion stress curve comparison diagram of flexible circuit board into third embodiment of the invention and existing plane flexible circuit board.
Figure 11 illustrates the vertical view of a kind of flexible circuit board into fifth embodiment of the invention.
Figure 12 (a) ~ (c) illustrates as another kind of flexible circuit board of the present invention is along the cutaway view of AA ' line in Fig. 1.
Wherein, Reference numeral:
100: flexible circuit board 110: substrate
110A: the first district of district 110B: the second
110C: the three district 111: first surface
112: the second face 113: the first ora terminalis
Intend folding line 130: the second at 120: the first intends folding line
140: strengthening pattern 141: fin
141a: the first edge, edge 141b: the second
150: the first ora terminalis 160: the first grooves
170: the second grooves 180: display floater
190: backlight module 191: center
192: back of the body frame 193: light guide plate
194: reflector plate
200: display unit
A: the first ora terminalis is to the distance of sidewall
The distance of the a1: the first ora terminalis to the first groove
The distance of the a2: the first ora terminalis to the second groove
B: the thickness of backlight module
B1: fin length
The width of the d1: the first groove
The width of the d2: the second groove
H: substrate thickness
H1: fin height
W1: the width of fin
Spacing between w2: two fins
The distance of folding line is intended at p: the first edge to the first
The distance of folding line is intended at q: the second edge to the second
Embodiment
Fig. 1 is the vertical view of a kind of flexible circuit board of first embodiment of the invention, and Fig. 2 is the cutaway view along AA ' direction in Fig. 1, and Fig. 3 is the cutaway view along BB ' direction in Fig. 1.Please refer to Fig. 1 ~ 3, the substrate 110 of flexible circuit board 100 comprises the first district 110A, the second district 110B, the 3rd district 110C, one first plan folding line 120 and one second plan folding line 130.First district 110A, the second district 110B, the 3rd district 110C are adjacent successively in the x-direction, first intends the intersection that folding line 120 is positioned at the first district 110A and the second district 110B, second intends the intersection that folding line 130 is positioned at the second district 110B and the 3rd district 110C, in the present embodiment, first intends folding line 120 and second, and to intend folding line 130 almost parallel, but be not limited thereto, first intend folding line 120 and second intend folding line 130 also can not be parallel to each other.Strengthening pattern 140 comprises multiple fin 141, and the first surface 111 being arranged on substrate 110 is positioned at the second district 110B, and fin 141 and first is intended folding line 120 and had an angle theta at least partly, and θ >0.
It should be noted that, first intends folding line 120 and second, and to intend folding line 130 be not an actual line segment, but when assembling flexible circuit board 100, plan to allow flexible circuit board 100 intend folding line 130 place's bending or distortion along the first plan folding line 120 and second.In addition, the material of strengthening pattern is such as pi (polyimide), but is not limited thereto, as long as have the material of rigidity, such as metal, alloy, insulation material etc. are all applicable.
In the present embodiment, fin 141 is spaced in the y-direction, its width is w1 (in the y-direction), length is b1 (in the x-direction), spacing in the y-direction between two fins is w2, and the thickness of substrate is h, and the width w1 of fin 141 meets following relation: h/2≤w1≤2h, spacing w2 between two fins 141 meets following relation: w2≤2h, and so design can ensure rigidity and the process rate of flexible circuit board 100.In addition, the height of fin 141 is h1, and the thickness of substrate is h, and the height h1 of fin 141 meets following relation: h1≤2h, with the module volume of application flexible circuit board 100 of avoiding waste.In addition, fin 141 has to be intended the first edge 141a of folding line 120 near first and intends the second edge 141b of folding line 130 near second, first edge 141a and first of fin 141 intends folding line 120 and has distance p, second edge 141b and second of fin 141 intends folding line 130 and has distance q, wherein p≤0 and q≤0, the p of each fin 141 can be identical numerical value or is unequal numerical value, and the q of each fin 141 also can be identical numerical value or is unequal numerical value.In the present embodiment, p>0 and q>0 of whole fin 141, and all the p of fin 141 is equal numerical value, the q of whole fin 141 is equal numerical value.But be not limited thereto, such as shown in Figure 4, it is the second embodiment of the present invention, as p=0 and q=0 of whole fin 141, first edge 141a and first of whole fin 141 intends folding line 120 and trims, and all the second edge 141b and second of fin 141 intends folding line 130 and trims.In addition, because multiple fin 141 is spaced in the y-direction, therefore flexible circuit board 100 stress raisers at the first edge 141a or the second 141b place, edge in time bending can be avoided.Please refer to Fig. 5, it is the third embodiment of the present invention, the p of each fin 141 also can be unequal numerical value, or the q of each fin 141 is also unequal numerical value, first edge 141a and first of such as part fin 141 intends folding line 120 and to trim but all the other are not intended folding line 120 with first and trim, or, second edge 141b and second of part fin 141 intends folding line 130 and to trim but the second edge 141b of part fin 141 does not trim with the second bending line 130, so more can avoid the first edge 141a or the second 141b place, edge stress raisers.In addition, the spacing in the y-direction between two fins also not can be not etc., and as shown in Figure 5, fin also can be arrange in the mode of unequal-interval each other.
The shape of fin 141 is such as rectangle in the above-described embodiments, but be not limited thereto, fin 141 also can be other shapes, as ellipse, polygon or irregular shape, when fin 141 is ellipse, polygon or irregular shape, its long limit or major axis and first are intended folding line 120 and are had an angle theta, and θ >0.
Fig. 6 is the end view after the flexible circuit board bending of first embodiment of the invention, as shown in Fig. 1 and Fig. 6, can notice, flexible circuit board 100 is intended folding line 120 and second with first respectively when bending and is intended the bending that folding line 130 is about 90 degree, turnover axle center work, because the fin 141 and first of strengthening pattern 140 intend the angle theta >0 of folding line 120, in the present embodiment, fin and first angle theta intending folding line 120 of strengthening pattern 140 are roughly 90 degree, the second district 110B of substrate 110 is made to have to resistant to bending rigidity, thus, although flexible circuit board 100 intends folding line 120 along first or the second plan folding line 130 does significantly bending, still can not be out of shape because strengthening pattern maintains the state substantially vertical with the first district 110A and the 3rd district 110C at the first the second district 110B intended between folding line 120 and the second plan folding line 130 and arch upward, avoid in prior art and cause flexible circuit board side to be arched upward because stress during flexible circuit plate benging is concentrated mutually extruding with housing and stressed, flexible circuit board and display panels junction is caused to be peeled off, the distortion of display frame bad or housing such as to be turned up at the problem.
Fig. 7 is the cutaway view of the flexible circuit board of fourth embodiment of the invention, the vertical view of the present embodiment is identical with Fig. 1, and Fig. 7 is the cutaway view along BB ' direction in Fig. 1, Fig. 8 is the end view after a kind of flexible circuit board bending of fourth embodiment of the invention, please refer to Fig. 1, Fig. 7 and Fig. 8, wherein the first groove 160 and the second groove 170 to lay respectively on substrate 110 corresponding first and intend the position that folding line 120 and second intends folding line 130, and the first groove 160 and the second groove 170 are all positioned on second face 112 of substrate 110 away from strengthening pattern 140, second face 112 and first surface 111 are the two opposite sides of substrate 110.The present embodiment above designs, and can be beneficial to the bending of flexible circuit board 100 on the one hand, is then beneficial to the intensity of raising second district 110B on the other hand and prevents stress from concentrating distortion.In addition, although fin 141 is arranged at the first surface 111 of substrate 110 by the present embodiment, and the first groove 160 and the second groove 170 are arranged at the second face 112 of substrate 110, namely, by fin 141 and groove 160, 170 are arranged on two contrary surfaces of substrate 110, but be not limited thereto, such as, first groove 160, second groove 170 and fin 141 also can be positioned at similar face, such as all be positioned on first surface 111, or, all be positioned on the second face 112, certainly also the first groove 160 can be arranged on first surface 111, first groove 160 is arranged on second surface 112 etc. with fin 141.
Fig. 9 is the partial sectional view of the display unit of the flexible circuit board 100 of application fourth embodiment of the invention, referring to Fig. 1, Fig. 7, Fig. 8 and Fig. 9, display unit 200 comprises flexible circuit board 100, display floater 180 and backlight module 190, first district 110A of the substrate 110 of flexible circuit board 100 is connected with display floater 180, backlight module 190 is positioned at below display floater 180, and the first district 110A, the second district 110B of flexible circuit board 100 and the 3rd district 110C are ㄈ shape.In the present embodiment, backlight module 190 such as comprises the back of the body frame 192, center 191, reflector plate 194 and light guide plate 193 etc., but be not limited thereto, such as backlight module 190 can more comprise the (not shown) such as light source and blooming piece, or be not limited to above-mentioned, backlight module 190 can be the directly-down light source not comprising light guide plate 193.In the present embodiment, backlight module 190 has the sidewall 192a near the second district 110B, and sidewall 192a belongs to a part for back of the body frame 192, and first intends folding line 120 and second intends the top and bottom that folding line 130 corresponds respectively to sidewall 192a.Substrate 110 has the first ora terminalis 150, first ora terminalis 150 is positioned at the first district 110A near display floater 180 place, in other words, first ora terminalis 150 is positioned at the first district 110A to be intended folding line 120 place away from first and is adjacent to first surface 111 and the second face 112, the thickness of backlight module 190 is b, the distance of the first ora terminalis 150 to sidewall 192a is a, and the first ora terminalis 150 is in being a1 to the distance of the first groove 160.When flexible circuit board 100 laid out flat, the distance of the first ora terminalis 150 to the second groove is a2, fin 141 length is b1, the width of the first groove 160 is d1, the width of the second groove 170 is d2, and wherein a, a1, a2, b, b1, d1 and d2 meet following relation: 0≤a-a1≤d1,0≤a+b-a2≤d1, b1+d1≤a2-a1,0≤a-a1≤d2,0≤a+b-a2≤d2, b1+d2≤a2-a1.
And, referring to Fig. 7 and Fig. 9, first intends folding line 120 is arranged in above Fig. 9 second district 110B after bending, and the second plan folding line 130 is the below being arranged in Fig. 9 second district 110B after bending, in the present embodiment, flexible circuit board 100 is more intended folding line 130 from second and is extended to below back of the body frame 192, and can be connected with other elements, such as circuit board or connector (not shown) etc.
Continue referring to Fig. 9, designer can to define on flexible circuit board 100 first according to the thickness of backlight module 190 and intend the position that folding line 120 and second intends folding line, makes flexible circuit board 100 can be close together with backlight module 190 after bending.Although in the present embodiment, first intends folding line 120 and second intends the top and bottom that folding line 130 corresponds respectively to sidewall 192a, but be not limited thereto, first of flexible circuit board 100 is intended folding line 120 and second and is intended folding line 130 and also may correspond to miscellaneous part in backlight module, as long as corresponding backlight module 190 is near the top and bottom of flexible circuit board 100 side.Certainly, in other embodiments, above-mentioned flexible circuit board 100 also can be applied to other places, flexible circuit board 100 such as, can arrange light source, as the flexible circuit board of the light source in backlight module, or flexible circuit board not necessarily will can be applicable to other corresponding to backlight module 190 bending need to make flexible circuit board significantly to transfer part, and the present invention is not limited with above-mentioned execution mode.
Figure 10 is the flexible circuit board of first embodiment of the invention and the distortion stress curve comparison diagram of existing plane flexible circuit board, as Figure 10 can obviously find out, the flexible circuit board of first embodiment of the invention is owing to being provided with strengthening pattern, and its tolerance more existing plane flexible circuit board is compared obviously better.
In addition, table 1 is for carrying out the test result judging display flaw (mura) grade when fourth embodiment of the invention being applied in display unit, wherein, test number is larger that is judge that the specification yardstick (JND) of display flaw (mura) grade is larger, representative display display flaw (mura) degree is more serious, as table 1 can be found out, each test Zhi≤2.3 when the flexible circuit board of third embodiment of the invention is applied to display unit, are obviously better than existing plane flexible circuit board (≤2.4).
Table 1
In addition, though fin 141 and first is intended folding line 120 and is had an angle theta in above-described embodiment, θ is roughly 90 degree, but be not limited thereto, such as shown in Figure 11, it is the fifth embodiment of the present invention, and in this embodiment, fin 141 and first intends the angle theta >90 degree of folding line 120.In addition, in other execution modes, fin 141 and the first angle theta intending folding line 120 also can be the angle being less than 90 degree; And fin 141 and first is intended folding line 120 and can be had angle theta not etc.
And in above-described embodiment, please refer to Fig. 2, although fin 141 is circular arc along the cross section of Figure 1A A ', but be not limited thereto, such as shown in Figure 12 (a) ~ (c), the cross section of fin 141 also can be other shapes, as triangle, trapezoidal or rectangle etc.
In detail, the present invention is at the mid-strengthening pattern 140 of the second district 110B, and strengthening pattern 140 comprises multiple fin 141, and fin 141 and first is intended folding line 120 and had an angle theta, θ >0.Make flexible circuit board 100 two can intend folding line successfully bending along this when bending, and then make flexible circuit board 100 can comply with the demand of thin type display device, significantly bend in a limited space, can maintain bending after flexible circuit board roughly become ㄈ shape, and the vertical plane of flexible circuit board can not stress and being out of shape arch upward.
Although the present invention with preferred embodiment openly as above; but it is also not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when doing a little change and amendment, therefore protection scope of the present invention is when being as the criterion depending on accompanying claims claim person of defining.

Claims (10)

1. a flexible circuit board, is characterized in that, comprising:
One substrate, comprise one first district, one second district, one the 3rd district, one first plan folding line and one second plan folding line, this firstth district, this secondth district are adjacent successively with the 3rd district, this the first plan folding line is positioned at the intersection in this firstth district and this secondth district, this the second plan folding line is positioned at the intersection in this secondth district and the 3rd district, and this substrate is suitable for along this first plan folding line place and this second plan folding line place bending; And
One strengthening pattern, the first surface being arranged on this substrate is positioned at this secondth district, and this strengthening pattern comprises multiple fin, those fins and this first intend folding line and there is an angle theta, θ >0.
2. flexible circuit board as claimed in claim 1, is characterized in that, also comprises one first groove and one second groove is positioned on this substrate, and respectively to first intending folding line and this second position of intending folding line.
3. flexible circuit board as claimed in claim 2, is characterized in that, this first groove and this second groove are positioned at this substrate away from one second of this strengthening pattern, and this first surface is positioned at the relative both sides of this substrate with this second face.
4. flexible circuit board as claimed in claim 1, it is characterized in that, the width of this fin is w1, and the spacing between two these fins is w2, and the thickness of this substrate is that h, w1 and w2 meet following relation: h/2≤w1≤2h, and w2≤2h.
5. flexible circuit board as claimed in claim 1, it is characterized in that, θ is roughly 90 degree.
6. flexible circuit board as claimed in claim 1, it is characterized in that, respectively this fin has near one first edge of this first plan folding line and one second edge near this second plan folding line, this first edge and this first intend folding line there is distance p, this second edge and this second intend folding line there is distance q, wherein p≤0 and p is identical numerical value, or q≤0 and q is identical numerical value.
7. flexible circuit board as claimed in claim 1, it is characterized in that, respectively this fin has near one first edge of this first plan folding line and one second edge near this second plan folding line, this first edge and this first intend folding line there is distance p, this second edge and this second intend folding line there is distance q, wherein p≤0 and p are the numerical value do not waited, or q≤0 and q are numerical value not etc.
8. a display unit, is characterized in that, comprises:
As flexible circuit board arbitrary in claim 1 to 7;
One display floater, is connected with this firstth district of this substrate; And
One backlight module, is positioned at below this display floater, and this firstth district of this flexible circuit board, this secondth district and the 3rd district are ㄈ shape and this backlight module coated.
9. display unit as claimed in claim 8, is characterized in that, this backlight module has the sidewall near this secondth district, and this first intends folding line and this second intends the top and bottom that folding line corresponds respectively to this sidewall.
10. a display unit, is characterized in that, comprises:
Flexible circuit board as claimed in claim 2, wherein, this substrate has one first ora terminalis, this first ora terminalis is positioned at this firstth district away from this first plan folding line place, and this substrate is in time launching, and this first ora terminalis is a1 to the distance of this first groove, this first ora terminalis is a2 to the distance of this second groove, respectively this fin length is b1, and the width of this first groove is d1, and the width of this second groove is d2;
One display floater, is connected with this firstth district of this substrate; And
One backlight module, be positioned at this lower panels, this firstth district of this flexible circuit board, this secondth district and the 3rd district are ㄈ shape and this backlight module coated, and wherein this first ora terminalis is a to the distance of this sidewall, and this backlight module has the sidewall near this secondth district and the thickness of this backlight module is b, wherein a, a1, a2, b and b1 meet following relation: 0≤a-a1≤d1,0≤a+b-a2≤d1, b1+d1≤a2-a1,0≤a-a1≤d2,0≤a+b-a2≤d2, b1+d2≤a2-a1.
CN201610005824.7A 2016-01-05 2016-01-05 Flexible printed circuit and display apparatus Pending CN105472878A (en)

Priority Applications (2)

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CN201610005824.7A CN105472878A (en) 2016-01-05 2016-01-05 Flexible printed circuit and display apparatus
TW105106512A TWI581675B (en) 2016-01-05 2016-03-03 Flexible printed circuit and display device

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