CN204466037U - FPC, light-emitting device, back light unit, display unit and electronic equipment - Google Patents
FPC, light-emitting device, back light unit, display unit and electronic equipment Download PDFInfo
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- CN204466037U CN204466037U CN201420787279.8U CN201420787279U CN204466037U CN 204466037 U CN204466037 U CN 204466037U CN 201420787279 U CN201420787279 U CN 201420787279U CN 204466037 U CN204466037 U CN 204466037U
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- light
- circuit board
- extension
- print circuit
- flexible print
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Abstract
The utility model provides a kind of FPC, light-emitting device, back light unit, display unit and electronic equipment, and described flexible print circuit board comprises: substrate; Conductive pattern, it is arranged at the surface of described substrate, and has the extension extended to adjacent conductive figure, and adjacent conductive pattern does not contact each other; And emulsion sheet, it covers described extension, and wherein, the projection of extension on the straight line parallel with bearing of trend of adjacent conductive pattern does not have gap.According to the utility model, can in the spacing ensureing to reduce while flexible print circuit board has higher actual load intensity between light-emitting component.
Description
Technical field
The utility model relates to display field, particularly relates to a kind of flexible print circuit board (Flexible PrintedCircuit, FPC), light-emitting device, back light unit, display unit and electronic equipment.
Background technology
Liquid crystal indicator, because its thickness is thin, lightweight and the feature such as low-power consumption, is widely used in the monitor and portable mobile apparatus etc. of office equipment, instrument and meter.Liquid crystal in liquid crystal indicator itself is not luminous, in use, by means of back light unit for this liquid crystal indicator provides a flat light source, thus must realize Presentation Function.
In the prior art, back light unit has as the light-emitting device of light source, optical diaphragm group and the framework loading described light-emitting device and described optical diaphragm group.Wherein, the light-emitting device light-emitting component (such as, light-emitting diode) that generally comprises flexible print circuit board (Flexible Printed Circuit, FPC) and be electrically connected with the conductive pattern on this flexible print circuit board.
Fig. 1 is the structural representation of flexible print circuit board in prior art.This flexible print circuit board comprises substrate (scheming not shown), is arranged at conductive pattern 101 and the emulsion sheet 102 of substrate surface.As shown in Figure 1, conductive pattern has the extension 1011 extended to adjacent conductive pattern; Emulsion sheet 102 covers the extension 1011 of conductive pattern adjacent one another are, produces pressing effect thus to conductive pattern, improves the actual load intensity of flexible print circuit board.In addition, emulsion sheet 102 can also have opening 1021, and therefore, light-emitting component S can be arranged at opening part, and is electrically connected with the conductive pattern 101 exposed from this opening part.
As shown in Figure 1, the extension of adjacent conductive pattern is oppositely arranged, and the two has gap A in the direction of extension, the extension that emulsion sheet covers is of a size of B, therefore, emulsion sheet size C=A+2B in the direction of extension, and the spacing P (Pitch) between light-emitting component S is limited by the size C of emulsion sheet.According to existing design standard, B=0.25mm, A are minimum is 0.1mm, and therefore the size C of emulsion sheet is generally 0.6mm, and the value of the spacing P between light-emitting component S is generally 1.3mm.
Above it should be noted that, just conveniently to the technical solution of the utility model, clear, complete explanation is carried out to the introduction of technical background, and facilitate the understanding of those skilled in the art to set forth.Only can not think that technique scheme is conventionally known to one of skill in the art because these schemes have carried out setting forth in background technology part of the present utility model.
Utility model content
Inventor finds when implementing prior art, in existing flexible print circuit board, the extension of adjacent conductive pattern has gap in the direction of extension, therefore emulsion sheet width is larger, and the spacing between light-emitting component is also comparatively large, the equipment and process with comparatively wide arc gap (Pitch) is needed to carry out installing light emitting element; But existing flexible print circuit board is not also suitable for the less situation of spacing between light-emitting component, therefore, the equipment and process with comparatively small―gap suture (Pitch) can not be used to carry out installing light emitting element.
The utility model embodiment provides a kind of flexible print circuit board, light-emitting device, back light unit, display unit and electronic equipment, flexible print circuit board according to embodiment of the present utility model can be applicable to more closely spaced erection unit and technique, thus reduces the spacing between light-emitting component while ensureing higher actual load intensity.
According to the first aspect of the utility model embodiment, provide a kind of flexible print circuit board (Flexible PrintedCircuit, FPC), described flexible print circuit board comprises: substrate; Conductive pattern, it is arranged at the surface of described substrate, and has the extension extended to adjacent conductive figure, and adjacent conductive pattern does not contact each other; And emulsion sheet, it covers described extension, and wherein, the projection of extension on the straight line parallel with bearing of trend of adjacent conductive pattern does not have gap.
According to the second aspect of the utility model embodiment, wherein, the projection of extension on described straight line of adjacent conductive pattern has superposition section.
According to the third aspect of the utility model embodiment, wherein, on the direction vertical with described bearing of trend, between the described extension of adjacent conductive pattern, there is the first gap.
According to the fourth aspect of the utility model embodiment, wherein, described extension is rectangle, triangle, arc or comb teeth shape.
According to the 5th aspect of the utility model embodiment, wherein, the shape of the described extension of adjacent conductive pattern is identical or different.
According to the 6th aspect of the utility model embodiment, wherein, on described bearing of trend, the described extension of adjacent conductive pattern measure-alike or different.
According to the 7th aspect of the utility model embodiment, wherein, the size of described extension on described bearing of trend is more than or equal to the half of the size of the part between adjacent conductive pattern on described bearing of trend of described emulsion sheet.
According to the eighth aspect of the utility model embodiment, wherein, the size of described extension on described bearing of trend is more than or equal to 0.15 millimeter.
According to the 9th aspect of the utility model embodiment, wherein, described first gap is covered by described emulsion sheet.
According to the tenth aspect of the utility model embodiment, a kind of light-emitting device is provided, wherein, described light-emitting device comprises the flexible print circuit board described in above-mentioned first aspect to any one in the 9th aspect, and the light-emitting component be placed on described flexible print circuit board, wherein, described light-emitting component is electrically connected with described conductive pattern.
According to the 11 aspect of the utility model embodiment, a kind of back light unit is provided, wherein, described back light unit comprises light-emitting device, optical diaphragm group and framework as described in above-mentioned tenth aspect, wherein, described light-emitting device and described optical diaphragm group is stacked is held in described framework, and described optical diaphragm group guides the light that described light-emitting device sends.
According to the 12 aspect of the utility model embodiment, provide a kind of display unit, wherein, described display unit comprises liquid crystal display and the back light unit as described in above-mentioned 11 aspect, and described back light unit provides backlight for described liquid crystal display.
According to the 13 aspect of the utility model embodiment, provide a kind of electronic equipment, wherein, described electronic equipment has the display unit as described in above-mentioned 12 aspect.
The beneficial effects of the utility model are: flexible print circuit board can reduce the spacing between light-emitting component while having higher actual load intensity, and is applicable to more closely spaced erection unit and technique.
With reference to explanation hereinafter and accompanying drawing, disclose in detail particular implementation of the present utility model, specifying principle of the present utility model can adopted mode.Should be appreciated that, thus execution mode of the present utility model is not restricted in scope.In the spirit of claims and the scope of clause, execution mode of the present utility model comprises many changes, amendment and is equal to.
The feature described for a kind of execution mode and/or illustrate can use in one or more other execution mode in same or similar mode, combined with the feature in other execution mode, or substitutes the feature in other execution mode.
Should emphasize, term " comprises/comprises " existence referring to feature, one integral piece, step or assembly when using herein, but does not get rid of the existence or additional of one or more further feature, one integral piece, step or assembly.
Accompanying drawing explanation
Included accompanying drawing is used to provide the further understanding to the utility model embodiment, which constituting a part for specification, for illustrating execution mode of the present utility model, and coming together to explain principle of the present utility model with text description.Apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the structural representation of flexible print circuit board in prior art;
Fig. 2 is a structural representation of the flexible print circuit board of the utility model embodiment;
Fig. 3 (a)-Fig. 3 (c) is other structural representation of the flexible print circuit board of the utility model embodiment;
Fig. 4 is the structural representation of the emission side of the light-emitting device of the utility model embodiment;
Fig. 5 be the light-emitting device of the utility model embodiment with the structural representation of emission side opposition side;
Fig. 6 is the composition structural representation of the back light unit of the utility model embodiment.
Embodiment
With reference to accompanying drawing, by specification below, aforementioned and further feature of the present utility model will become obvious.In the specification and illustrated in the drawings, specifically disclose particular implementation of the present utility model, which show the some embodiments that wherein can adopt principle of the present utility model, will be appreciated that, the utility model is not limited to described execution mode, on the contrary, the utility model comprises the whole amendments fallen in the scope of claims, modification and equivalent.
Embodiment 1
The utility model embodiment 1 provides a kind of flexible print circuit board.Fig. 2 is a structural representation of the flexible print circuit board of the utility model embodiment, as shown in Figure 2, flexible print circuit board 200 comprises substrate (not shown), conductive pattern 201 and emulsion sheet 202, wherein, conductive pattern 201 is arranged at the surface of substrate, and has the extension 2011 extended to adjacent conductive figure, and, adjacent conductive pattern does not contact each other, and emulsion sheet 202 covers extension 2011.In addition, emulsion sheet 202 can also have opening 2021, and the conductive pattern 201 exposed from this opening part can be connected with light-emitting component S.
In the present embodiment, as shown in Figure 2, not there is gap between the extension 2011 of adjacent conductive pattern 201 projection l1 and l2 on the straight line L parallel with bearing of trend.Thus, in the direction of extension, the distance between adjacent conductive figure reduces, and the emulsion sheet less by means of only size can cover extension, thus the spacing between reduction light-emitting component, such as, in the present embodiment, emulsion sheet size C in the direction of extension can be reduced to 0.35 millimeter, spacing P between light-emitting component S can be reduced to 1.15 millimeters, in addition, in other embodiments, the spacing P between light-emitting component S also can be set to larger than 1 millimeter and be less than 1.3 millimeters.Therefore, the flexible print circuit board of the present embodiment can reduce the spacing between light-emitting component while having higher actual load intensity, and is applicable to more closely spaced erection unit and technique.
In the present embodiment, as shown in Figure 2, projection l1 and l2 can have superposition section, and thus, the distance between adjacent conductive figure can be reduced further, thus reduces the distance between light-emitting component further.But the embodiment of the present application is not limited to this, projection l1 and l2 can not also have superposition section, but engaging one another.
In the present embodiment, as shown in Figure 2, extension 2011 size in the direction of extension can be more than or equal to the half of the size in the direction of extension of the part between adjacent conductive pattern of emulsion sheet 202, and wherein, straight line H is the center line of emulsion sheet 202 size in the direction of extension.Such as, when emulsion sheet 202 size is in the direction of extension 3 millimeters, the size of extension 2011 on this bearing of trend can be more than or equal to 0.15 millimeter, and certainly, the embodiment of the present application is not limited to this, and the size of extension can also be other value.According to the present embodiment, when emulsion sheet is covered in extension, depart from even if make due to alignment error the position of emulsion sheet produce, emulsion sheet also can be made to cover the larger area of extension, thus ensure that this flexible print circuit board has higher actual load intensity.
In the present embodiment, as shown in Figure 2, extension 2011 can be rectangle, thus, can improve the actual load intensity of this flexible print circuit board.
Fig. 3 (a)-Fig. 3 (c) is other structural representation of the flexible print circuit board of the utility model embodiment, the mark that Fig. 3 (a)-Fig. 3 (c) is identical with Fig. 2 represents identical implication, herein no longer repeat specification.As shown in Fig. 3 (a), extension 2011 can be triangle, and the hypotenuse of the triangular extensions of adjacent conductive figure toward each other, can reduce gap therebetween, also can guarantee that this flexible print circuit board possesses certain actual load intensity.As shown in Fig. 3 (b), extension 2011 can be comb teeth shape.As shown in Fig. 3 (c), extension can be arc, and wherein, in the extension of adjacent conductive pattern, one can be the arc protruded, and another can be recessed arc, and the arc of this protrusion is oppositely arranged with recessed arc.In the present embodiment, the shape of the extension shown in Fig. 2 and Fig. 3 (a)-Fig. 3 (c) is only example, and the present embodiment is not limited to this, and extension can also be other shape.
In the present embodiment, the shape of the extension of adjacent conductive pattern and/or size can be mutually the same, thus, the design of simplification conductive pattern can be made, but, the present embodiment is not limited to this, and according to actual needs, the shape of the extension of adjacent conductive pattern and/or size also can be set to different from each other.
In addition, in the present embodiment, as shown in Figures 2 and 3, on the direction vertical with bearing of trend, between the extension 2011 of adjacent conductive pattern, can gap d be had, thus, guarantee that adjacent conductive pattern does not contact each other.In the present embodiment, gap d can be coated to cover plate 202 and covered.
In addition, in the present embodiment, conductive pattern 201 can also extend perpendicular to this bearing of trend, and form extension 2012, this extension 2012 can be covered by this emulsion sheet 202, thus improves actual load intensity further.
According to the present embodiment, flexible print circuit board can reduce the spacing between light-emitting component while having higher actual load intensity, and is applicable to more closely spaced erection unit and technique.
Embodiment 2
The utility model embodiment 2 provides a kind of light-emitting device, and this light-emitting device comprises flexible print circuit board as described in Example 1 and light-emitting component.Due in embodiment 1, be illustrated this flexible print circuit board, its content is incorporated in this, the no longer repeat specification of content something in common.
Fig. 4 and Fig. 5 is the structural representation of the emission side of the light-emitting device of the utility model embodiment 2 and the structural representation with emission side opposition side.As shown in Figure 4 and Figure 5, in light-emitting device 400, light-emitting component S is placed in the surface of flexible print circuit board 200, and is electrically connected with the conductive pattern (scheming not shown) on flexible print circuit board.
In addition, in the present embodiment, as shown in Figure 5, the side contrary with emission side of this light-emitting device does not arrange conductive pattern, but the present embodiment is not limited to this, also should can be set up conductive pattern in side contrary with emission side, and by arranging via hole on this flexible print circuit board, the conductive pattern of the conductive pattern of the emission side of this light-emitting device and side was in contrast electrically connected.
According to the present embodiment, flexible print circuit board has higher actual load intensity, and more closely spaced erection unit and technique can be used to carry out installing light emitting element, and spacing in light-emitting device between light-emitting component is less.
Embodiment 3
The utility model embodiment 3 provides a kind of back light unit, this back light unit comprises light-emitting device as described in Example 2, optical diaphragm group and framework, and this framework is for keeping this light-emitting device and this optical diaphragm group, further, this optical diaphragm group guides the light that this light-emitting device sends.Due in example 2, be illustrated this light-emitting device, its content is incorporated in this, the no longer repeat specification of content something in common.
Fig. 6 is the composition structural representation of the back light unit of the utility model embodiment 3.As shown in Figure 6, in this back light unit 600, light-emitting device 400 and optical diaphragm group 601 is stacked is held on framework 602.
Wherein, the light that this optical diaphragm group is used for light-emitting device to send is converted into uniform face light and penetrates; Further, this optical diaphragm group can be made up of multiple stacked blooming piece, and such as, these blooming pieces can be upper prism 6011, lower prism 6012, diffusion sheet 6013, light guide plate 6014 and reflector plate 6015 etc.About the detailed description of optical diaphragm group, can with reference to prior art, the embodiment of the present application repeats no more.
In addition, as shown in Figure 6, this back light unit can also comprise appendix; wherein, this appendix can be such as be with the shading film 603 of diaphragm, diaphragm 604 and/or adhesive tape 605 etc., about the detailed description of appendix; can with reference to prior art, the embodiment of the present application repeats no more.
According to the present embodiment, flexible print circuit board has higher actual load intensity, and the spacing in light-emitting device between light-emitting component is less, and the area of back light unit can be lowered.
Embodiment 4
The utility model embodiment 4 provides a kind of display unit, this display unit has liquid crystal display and the back light unit described in embodiment 3, wherein, this back light unit is used for providing area source as backlight to liquid crystal display, and the light that this liquid crystal display uses this area source to send shows.
According to the present embodiment, flexible print circuit board has higher actual load intensity, and the spacing in light-emitting device between light-emitting component is less, and the area of back light unit can be lowered, and the area of liquid crystal indicator can be lowered and display quality is improved.
Embodiment 5
The utility model embodiment 5 provides a kind of electronic equipment, and this electronic equipment has the display unit described in embodiment 5, and due in example 4, be illustrated this display unit, its content is incorporated in this, does not repeat them here.
According to the present embodiment, flexible print circuit board has higher actual load intensity, spacing in light-emitting device between light-emitting component is less, and the area of back light unit can be lowered, and the area of liquid crystal indicator in electronic equipment is lowered and display quality is improved.
More than being described the utility model in conjunction with concrete execution mode, but it will be apparent to those skilled in the art that these descriptions are all exemplary, is not the restriction to the utility model protection range.Those skilled in the art can make various variants and modifications according to spirit of the present utility model and principle to the utility model, and these variants and modifications are also in scope of the present utility model.
Claims (13)
1. a flexible print circuit board, is characterized in that, described flexible print circuit board comprises:
Substrate;
Conductive pattern, it is arranged at the surface of described substrate, and has the extension extended to adjacent conductive figure, and adjacent conductive pattern does not contact each other; And
Emulsion sheet, it covers described extension,
Wherein, the projection of extension on the straight line parallel with bearing of trend of adjacent conductive pattern does not have gap.
2. flexible print circuit board as claimed in claim 1, is characterized in that:
The projection of extension on described straight line of adjacent conductive pattern has superposition section.
3. flexible print circuit board as claimed in claim 1, is characterized in that:
On the direction vertical with described bearing of trend, between the described extension of adjacent conductive pattern, there is the first gap.
4. flexible print circuit board as claimed in claim 3, is characterized in that:
Described first gap is covered by described emulsion sheet.
5. flexible print circuit board as claimed in claim 1, is characterized in that:
Described extension is rectangle, triangle, arc or comb teeth shape.
6. flexible print circuit board as claimed in claim 1, is characterized in that:
The shape of the described extension of adjacent conductive pattern is identical or different.
7. flexible print circuit board as claimed in claim 1, is characterized in that:
On described bearing of trend, the described extension of adjacent conductive pattern measure-alike or different.
8. flexible print circuit board as claimed in claim 1, is characterized in that:
The size of described extension on described bearing of trend is more than or equal to the half of the size of the part between adjacent conductive pattern on described bearing of trend of described emulsion sheet.
9. flexible print circuit board as claimed in claim 8, is characterized in that:
The size of described extension on described bearing of trend is more than or equal to 0.15 millimeter.
10. a light-emitting device, it is characterized in that, described light-emitting device comprises the flexible print circuit board as described in any one in claim 1-9, and is placed in the light-emitting component on described flexible print circuit board, wherein, described light-emitting component is electrically connected with described conductive pattern.
11. 1 kinds of back light units, it is characterized in that, described back light unit comprises light-emitting device as claimed in claim 10, optical diaphragm group and framework, wherein, described light-emitting device and described optical diaphragm group is stacked is held in described framework, and described optical diaphragm group guides the light that described light-emitting device sends.
12. 1 kinds of display unit, is characterized in that, described display unit comprises liquid crystal display and back light unit as claimed in claim 11, and described back light unit provides backlight for described liquid crystal display.
13. 1 kinds of electronic equipments, is characterized in that, described electronic equipment has display unit as claimed in claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787279.8U CN204466037U (en) | 2014-12-11 | 2014-12-11 | FPC, light-emitting device, back light unit, display unit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787279.8U CN204466037U (en) | 2014-12-11 | 2014-12-11 | FPC, light-emitting device, back light unit, display unit and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204466037U true CN204466037U (en) | 2015-07-08 |
Family
ID=53672854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420787279.8U Expired - Fee Related CN204466037U (en) | 2014-12-11 | 2014-12-11 | FPC, light-emitting device, back light unit, display unit and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204466037U (en) |
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2014
- 2014-12-11 CN CN201420787279.8U patent/CN204466037U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210207 Address after: 2-3 industrial complex in central Pancheng, Fukushima Prefecture, Japan Patentee after: Northeast Electronics Co.,Ltd. Address before: Kyoto City, Kyoto Prefecture, Japan Patentee before: OMRON Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20211211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |