CN103486492B - Display and backlight module and light source module thereof - Google Patents
Display and backlight module and light source module thereof Download PDFInfo
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- CN103486492B CN103486492B CN201210194018.0A CN201210194018A CN103486492B CN 103486492 B CN103486492 B CN 103486492B CN 201210194018 A CN201210194018 A CN 201210194018A CN 103486492 B CN103486492 B CN 103486492B
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Abstract
The invention provides a light source module which comprises a soft circuit board and a plurality of light emitting elements, wherein the soft circuit board comprises a covering film, a shading layer and a metal layer, the covering film covers the metal layer, the shading layer covers the covering film, a plurality of notches are formed in the shading layer, and a plurality of light absorption parts are respectively formed in the notches; the light emitting elements are arranged on the soft circuit board, wherein the light absorption parts respectively correspond to the light emitting elements, and a part of light provided by the light emitting elements is absorbed by the light absorption parts.
Description
Technical field
The invention relates to a kind of light source module, in particular to a kind of light source module reducing bright spot generation.
Background technology
With reference to Fig. 1, its backlight module 1 known to display, including flexible circuit board 10, light source 20 and light guide plate 30.?
Traditionally, backlight module 1 only has in the range of a1 region marked in figure, has more uniform light, therefore known aobvious
Show that the effective display area of device typically falls among a1 region.However, in recent years because portable electronic product is under frivolous requirement,
Simultaneously need to there being large scale screen.Therefore only the market demand cannot be met as effective display area using a1 region, need to use
Bigger a2 region is as effective display area.However, because the edge in a2 region gets too close to light source 20, therefore near light source
20 marginal portion has the generation of bright spot, affects visual appearance.
Content of the invention
The present invention provides a kind of light source module for the problem of known technology to be solved, including a flexible circuit board and
Multiple light-emitting components.Flexible circuit board includes cover layer, light shield layer and metal level.Cover layer covers this metal level.Light shield layer
Cover this cover layer, wherein, this light shield layer is formed with multiple breach, multiple light absorption units are each formed among these breach.
On this flexible circuit board, wherein, these light absorption units each correspond to these light-emitting components to light-emitting component, these light-emitting components
The light portion being provided is absorbed by this light absorption unit.
The present invention separately proposes a kind of light source module, including a flexible circuit board and multiple light-emitting component.Flexible circuit board
Including cover layer, light shield layer and metal level.Cover layer covers this metal level.Light shield layer covers this cover layer, wherein, this shading
Layer assumes dark color.Light-emitting component is upper located at this flexible circuit board, and wherein, the light portion that these light-emitting components are provided is by this
Light shield layer is absorbed.
Application embodiments of the invention, because light absorption unit or light shield layer are by light and spuious light absorbs, therefore can avoid bright
Point produces.Light uniformity in effective display area is increased, promotes visual appearance.
Brief description
It is that the above objects, features and advantages of the present invention can be become apparent, below in conjunction with the tool to the present invention for the accompanying drawing
Body embodiment elaborates, wherein:
Fig. 1 show known to backlight module；
Fig. 2 a shows the explosive view of the light source module of backlight module of first embodiment of the invention；
Fig. 2 b shows the top view of the backlight module of first embodiment of the invention；
Fig. 2 c shows the sectional view of the backlight module of first embodiment of the invention；
Fig. 3 a shows the explosive view of the light source module of second embodiment of the invention；
Fig. 3 b shows the top view of the light source module of second embodiment of the invention；
Fig. 4 a shows the explosive view of the light source module of third embodiment of the invention；
Fig. 4 b shows the top view of the backlight module of third embodiment of the invention；And
Fig. 4 c shows the sectional view of the backlight module of third embodiment of the invention.
Main element symbol description:
1～backlight module
10～flexible circuit board
20～light source
30～light guide plate
40～reflector
101st, 102,103～light source module
110th, 110 ', 110 "～flexible circuit board
120～metal level
131st, 131 ', 132～cover layer
140th, 140 '～light shield layer
141～breach
150～light-emitting component
160th, 160 '～light absorption unit
200th, 200 '～backlight module
Specific embodiment
Reference picture 2a, the light source module 101 of the backlight module of its display first embodiment of the invention, including a flexible circuit
Plate 110 and multiple light-emitting component 150.Flexible circuit board 110 includes metal level 120, the first cover layer 131, the second cover layer
132 and light shield layer 140.First cover layer 131 covers the top of this metal level 120, and the second cover layer 132 covers this metal level
120.Light shield layer 140 covers this first cover layer 131, wherein, this light shield layer 140 is formed with multiple breach 141.Collocation reference
Fig. 2 b, multiple light absorption units 160 are each formed among these breach 141.Light-emitting component 150 located at this flexible circuit board 110 it
On, wherein, these light absorption units 160 each correspond to these light-emitting components 150, the light portion that these light-emitting components 150 are provided
Absorbed by this light absorption unit 160.
In this embodiment, this first cover layer 131 is transparent or semitransparent.This metal level 120 may include calendering copper, because
The top of this this metal level 120 is in dark (black).Because first this cover layer 131 is transparent or semitransparent, therefore this metal
The color (dark) of layer 120 top appears in these breach 141, and becomes these light absorption units 160.
Reference picture 2b, 2c, the light source module 101 of first embodiment of the invention be applied to a backlight module 200 it
In, backlight module 200 further includes a light guide plate 30 and a reflector 40.This light guide plate 30 covers these breach 141, this leaded light
Plate 30 includes an incidence surface 31, a reflective surface 32 and an exiting surface 33.Reflector 40 is located at this reflective surface 32 of part.These
The light that light-emitting component 150 is provided enters this light guide plate 30 in this incidence surface 31, and this light 151 of a part passes through this reflective
Face and absorbed by this light absorption unit 160, after this light 151 of another part is through reflector 40 reflection, through this exiting surface 33
And project.
The shape of these breach 141 can be square, trapezoidal or other suitable shapes.Light absorption unit 160 and light source 150 it
Between distance can be 0.8 millimeter.
The application first embodiment of the present invention, because light absorption unit 160 is by light and spuious light absorbs, therefore can avoid bright spot
Produce.Light uniformity in effective display area (a2 region) is increased, promotes visual appearance.
Reference picture 3a, 3b, the light source module 102 of its display second embodiment of the invention, including a flexible circuit board 110 '
And multiple light-emitting component 150.Flexible circuit board 110 ' includes metal level 120, the first cover layer 131 ', the second cover layer 132
And light shield layer 140.The feature of the light source module 102 of second embodiment of the invention, is that the first cover layer 131 ' assumes dark color,
This first cover layer 131 ' exposes to the open air in these breach 141, and becomes light absorption unit 160 '.This first cover layer 131 ' can pass through oil
The mode of ink print is formed directly into the top of this metal level 120 so as to surface assumes dark color；Or, this first cover layer 131 '
Material itself can assume dark color.In this embodiment, the effect of light absorption is provided with dark the first cover layer 131 ',
The color of therefore metal level 120 is not emphasis in this embodiment, and its material can be with proper transformation.
Can the arrange in pairs or groups backlight module 200 of aforementioned first embodiment of the light source module 102 of second embodiment of the invention uses, its
The set-up mode of light guide plate and reflector is duplicated with first embodiment, therefore repeats no more.
With reference to 4a, 4b figure, it is the light source module 103 of display third embodiment of the invention, including a flexible circuit board
110 " and multiple light-emitting component 150.Flexible circuit board 110 " includes metal level 120, the first cover layer 131, the second cover layer
132 and light shield layer 140 '.First cover layer 131 covers the top of this metal level 120, and the second cover layer 132 covers this metal
Layer 120.Light shield layer covers this first cover layer 131, and wherein, this light shield layer 140 ' assumes dark color.Light-emitting component 150 is soft located at this
On property circuit board 110 ", wherein, the light portion that these light-emitting components 150 are provided is absorbed by this light shield layer 140 '.
With reference to 4b, 4c figure, the light source module 103 of third embodiment of the invention is applied to a backlight module 200 '
Among, backlight module 200 ' also includes a light guide plate 30 and a reflector 40.This light guide plate 30 covers this light shield layer 140 ', should
Light guide plate 30 includes an incidence surface 31, a reflective surface 32 and an exiting surface 33.Reflector 40 is located at this reflective surface 32 of part.
The light that these light-emitting components 150 are provided enters this light guide plate 30 in this incidence surface 31, and this light 151 of a part passes through should
Reflective surface 32 and absorbed by this light shield layer 140 ', after this light 151 of another part is through reflector 40 reflection, go out through this
Light face 33 and project.
The mode that this light shield layer 140 ' can pass through ink printing assumes dark color on its surface；Or, the material of this light shield layer 140 '
Matter itself can assume dark color.In this embodiment, the effect of light absorption, therefore here are provided with dark light shield layer 140 '
In embodiment, the color of metal level 120 and cover layer 131 is not emphasis, and its material can be with proper transformation.
The light source module of the embodiment of the present invention and backlight module can be applicable among a display, and this display includes one
Display module, this display module corresponds to aforesaid backlight module, and wherein, the light that these light-emitting components are provided is from this backlight mould
Block, projects towards this display module, and is subject to the modulation of this display module to form image.Additionally, also visually needing in this display
The optical elements such as prismatic lens to be arranged, polaroid.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect, therefore the protection model of the present invention
Enclose when by being defined that claims are defined.
Claims (10)
1. a kind of light source module, comprising:
One flexible circuit board, comprising:
One metal level；
One first cover layer, covers this metal layer；It is characterized in that, this flexible circuit board also includes:
One light shield layer, covers this first cover layer, wherein, this light shield layer is formed with multiple breach, each idiomorphism of multiple light absorption unit
Among breach described in Cheng Yu；And this light source module also includes: multiple light-emitting components, on this flexible circuit board, wherein, institute
State light absorption unit and each correspond to described light-emitting component, this first cover layer is in dark color, this cover layer exposes to the open air in described breach, forms
For described light absorption unit.
2. light source module as claimed in claim 1 is it is characterised in that this first cover layer is direct through the mode of ink printing
It is formed at this metal layer so as to surface assumes dark color.
3. light source module as claimed in claim 1 is it is characterised in that the material of this cover layer assumes dark color in itself.
4. light source module as claimed in claim 1 is it is characterised in that being shaped as of described breach is square or trapezoidal.
5. light source module as claimed in claim 1, also includes one second cover layer, covers this metal level.
6. a kind of backlight module, comprising:
One light source module, comprising:
One flexible circuit board, comprising:
One metal level；
One first cover layer, covers this metal level；It is characterized in that, this flexible circuit board also includes:
One light shield layer, covers this first cover layer, wherein, this light shield layer is formed with multiple breach, each idiomorphism of multiple light absorption unit
Among breach described in Cheng Yu；And this light source module also includes:
Multiple light-emitting components, on this flexible circuit board, wherein, described light absorption unit each corresponds to described light-emitting component, institute
The light portion that stating light-emitting component is provided is absorbed by this light absorption unit；
And this backlight module also includes a light guide plate, wherein, this light guide plate covers described breach, and this light guide plate includes one and enters light
Face, a reflective surface and an exiting surface, wherein, the light that described light-emitting component is provided enters this light guide plate in this incidence surface,
A part this light pass through this reflective surface and absorbed by this light absorption unit, this light of another part reflected by this reflective surface and
Project through this exiting surface, this first cover layer is in dark color, and this cover layer exposes to the open air in described breach, and becomes described extinction
Portion.
7. backlight module as claimed in claim 6 is it is characterised in that this first cover layer is direct through the mode of ink printing
It is formed at this metal layer so as to surface assumes dark color.
8. backlight module as claimed in claim 6 is it is characterised in that the material of this cover layer assumes dark color in itself.
9. backlight module as claimed in claim 6 is it is characterised in that the shape of described breach can be square or trapezoidal.
10. a kind of display, comprising:
Backlight module as claimed in claim 6；And
One display module, to should backlight module, wherein, the light that described light-emitting component is provided is from this backlight module, direction
This display module projects, and is subject to the modulation of this display module to form image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194018.0A CN103486492B (en) | 2012-06-13 | 2012-06-13 | Display and backlight module and light source module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194018.0A CN103486492B (en) | 2012-06-13 | 2012-06-13 | Display and backlight module and light source module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486492A CN103486492A (en) | 2014-01-01 |
| CN103486492B true CN103486492B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210194018.0A Active CN103486492B (en) | 2012-06-13 | 2012-06-13 | Display and backlight module and light source module thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089217A (en) | 2014-06-20 | 2014-10-08 | 北京京东方视讯科技有限公司 | Backlight source, backlight module and display device |
| CN105402640B (en) * | 2014-09-15 | 2018-04-24 | 扬升照明股份有限公司 | Backlight module |
| TWI580893B (en) * | 2014-11-12 | 2017-05-01 | 元太科技工業股份有限公司 | Light emitting module and display device |
| CN108677231B (en) * | 2018-05-04 | 2021-05-07 | 瑞声光学解决方案私人有限公司 | Preparation method of rolled copper shading ring sheet and rolled copper shading ring sheet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217852A (en) * | 2007-01-03 | 2008-07-09 | 三星Sdi株式会社 | Flexible circuit board and liquid crystal display with same |
| CN101216617A (en) * | 2007-01-03 | 2008-07-09 | 三星Sdi株式会社 | Flexible circuit board with light absorbing layer for liquid crystal display |
| CN201110928Y (en) * | 2007-11-02 | 2008-09-03 | 比亚迪股份有限公司 | Circuit board and back light source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4835936B2 (en) * | 2007-01-12 | 2011-12-14 | ミネベア株式会社 | Surface lighting device |
-
2012
- 2012-06-13 CN CN201210194018.0A patent/CN103486492B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217852A (en) * | 2007-01-03 | 2008-07-09 | 三星Sdi株式会社 | Flexible circuit board and liquid crystal display with same |
| CN101216617A (en) * | 2007-01-03 | 2008-07-09 | 三星Sdi株式会社 | Flexible circuit board with light absorbing layer for liquid crystal display |
| CN201110928Y (en) * | 2007-11-02 | 2008-09-03 | 比亚迪股份有限公司 | Circuit board and back light source |
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| Publication number | Publication date |
|---|---|
| CN103486492A (en) | 2014-01-01 |
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Address after: Guangdong province Shenzhen City, Longhua Town, Foxconn science and Technology Industrial Park E District 4 building, building 1, building Applicant after: Innocom Technology (Shenzhen) Ltd. Applicant after: Chimei Innolux Corporation Address before: 518100 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 4, building 1, building Applicant before: Innocom Technology (Shenzhen) Ltd. Applicant before: Qimei Electronic Co., Ltd. |
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