CN101929653A - Light source reflecting housing and backlight module - Google Patents
Light source reflecting housing and backlight module Download PDFInfo
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- CN101929653A CN101929653A CN2009101395854A CN200910139585A CN101929653A CN 101929653 A CN101929653 A CN 101929653A CN 2009101395854 A CN2009101395854 A CN 2009101395854A CN 200910139585 A CN200910139585 A CN 200910139585A CN 101929653 A CN101929653 A CN 101929653A
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- light source
- top board
- reflecting housing
- base plate
- side plate
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Abstract
The invention relates to a light source reflecting housing and a backlight module. The backlight module comprises the light source reflecting housing, a first light source and a light guide plate, wherein the light source reflecting housing comprises a first light source accommodation space enclosed by a base plate, a first side plate and a first top plate; and the base plate, the first side plate and the first top plate are formed by bending plastic reflecting sheets. The first light source is arranged in the first light source accommodation space. The light guide plate is adjacent to the first light source and is positioned between the base plate and a plane on which the first top plate is positioned. The invention can greatly reduce the production cost, is beneficial to enabling the final products to be lighter and is more simple and convenient to assemble.
Description
Technical field
The present invention is about a kind of light source reflecting housing and module backlight, particularly relevant for a kind of light source reflecting housing and module backlight that adopts the Contiuum type design.
Background technology
At present, be widely used in the various electronic products based on the panel display apparatus of liquid crystal display, and module backlight is one of critical elements of panel display apparatus.See also Fig. 1, Fig. 1 is a split design diagram of the prior art.With side entering type liquid crystal indicator module backlight is example, as shown in Figure 1, light source reflecting housing 11 and reflector plate 12 are separately designs, at this split-type design, light source reflecting housing 11 main employing metal material substrates, evaporation argentum reflecting layer or attach the reflection material again, reaching the effect of emission light, and reflector plate 12 main employings on the polyester sheets are coated with the reflecting layer.
There is following shortcoming in this split-type design: metallic reflector 11 is for fear of light leak, and the opening size design is tight slightly, reflector plate 12 need be inserted in the reflector 11 during the panel assembling, and difficult assembling also is easy to generate the colourity uneven phenomenon; In addition, metallic reflector needs the die sinking tool, the production cost height.
Summary of the invention
At above-mentioned technical problem, the present invention adopts former reflector and reflector plate identical material and is designed to Contiuum type, and it is convenient and be difficult for the purpose of light leak to reach assembling.
Light source reflecting housing provided by the invention comprises the first light source accommodation space that is surrounded by base plate, first side plate and first top board, and wherein, base plate, first side plate and first top board are to be formed by the bending of plastic reflective sheet.
According to light source reflecting housing of the present invention, also comprise the secondary light source accommodation space that surrounds by this base plate, second side plate and second top board, second side plate and second top board also are to be formed by the bending of plastic reflective sheet.
Further, first side plate is set in parallel in second side plate.First top board and second top board be on same plane, and be parallel to base plate.
According to light source reflecting housing of the present invention, also comprise two-sided tape, be arranged at a side of first top board, this side is near the first light source accommodation space.
Module backlight provided by the invention comprises light source reflecting housing, first light source and LGP.Light source reflecting housing comprises the first light source accommodation space that is surrounded by base plate, first side plate and first top board, and this base plate, this first side plate and this first top board are to be formed by the bending of plastic reflective sheet.First light source is arranged in this first light source accommodation space.Adjacent this first light source setting of LGP, and between first plane, top board place and base plate.
According to module backlight of the present invention, light source reflecting housing also comprises two-sided tape, is arranged at a side of first top board, and LGP is attached at this light source reflecting housing by this two-sided tape.
According to module backlight of the present invention, light source reflecting housing also comprises the secondary light source accommodation space that is surrounded by base plate, second side plate and second top board, second side plate and second top board also are to be formed by plastic reflective sheet bending, and first top board and second top board be on same plane, and are parallel to base plate.
Further, module backlight also comprises secondary light source, be arranged in the secondary light source accommodation space, and adjacent LGP setting.
According to module backlight of the present invention, also comprise housing, be arranged at the light source reflecting housing outside.
Compared with prior art, Contiuum type structure of the present invention has the following advantages:
One, the plastic material unit price is lower than metal material, and the plastic reflective cover do not need the die sinking tool, therefore can reduce production costs greatly;
Two, the plastic reflective cover is light more a lot of than metal shade, and it is lighter to help final demonstration product;
Three, the Contiuum type structure can more make full use of light, avoid because the reflector opening designs the colourity uneven phenomenon that tension produces, and assembling is also easier.
Description of drawings
Fig. 1 is a split design diagram of the prior art;
Fig. 2 is the schematic diagram of the light source reflecting housing of one embodiment of the invention;
Fig. 3 is the schematic diagram of the light source reflecting housing of another embodiment of the present invention;
Fig. 4 is the schematic diagram of the light source reflecting housing of further embodiment of this invention;
Fig. 5 is the schematic diagram of the module backlight of one embodiment of the invention;
Fig. 6 is the schematic diagram of the module backlight of another embodiment of the present invention.
The specific embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
See also Fig. 2, Fig. 2 is the schematic diagram of the light source reflecting housing 20 of one embodiment of the invention.Light source reflecting housing 20 comprises the first light source accommodation space 29 that is surrounded by base plate 21, first side plate 22 and first top board 23, and wherein, base plate 21, first side plate 22 and first top board 23 are to be formed by the bending of plastic reflective sheet.
See also Fig. 3, Fig. 3 is the schematic diagram of the light source reflecting housing 30 of another embodiment of the present invention.Light source reflecting housing 30 comprises the first light source accommodation space 39 and the two-sided tape 34 that is surrounded by base plate 31, first side plate 32 and first top board 33, wherein, base plate 31, first side plate 32 and first top board 33 are to be formed by the bending of plastic reflective sheet, two-sided tape 34 is arranged at a side of first top board 33, and this side is near the first light source accommodation space 39.
See also Fig. 4, Fig. 4 is the schematic diagram of the light source reflecting housing 40 of another embodiment of the present invention.Light source reflecting housing 40 comprises the first light source accommodation space 48 that is surrounded by base plate 41, first side plate 42 and first top board 43, and the secondary light source accommodation space 49 that surrounds by base plate 41, second side plate 46 and second top board 47, wherein, base plate 41, first side plate 42, first top board 43, second side plate 46 and second top board 47 are to be formed by the bending of plastic reflective sheet.In this embodiment, first side plate 42 is set in parallel in second side plate 46.First top board 43 and second top board 47 be on same plane, and be parallel to base plate 41.In actual applications, two-sided tape (figure does not show) also can be set, pay a fixing optical element in order to paste at the downside of first top board 43 and second top board 47.
See also Fig. 5, Fig. 5 is the schematic diagram of the module backlight 50 of one embodiment of the invention.Module 50 backlight comprises light source reflecting housing 51, first light source 52 and LGP 53.Light source reflecting housing 51 comprises the first light source accommodation space that is surrounded by base plate 511, first side plate 512 and first top board 513, and base plate 511, first side plate 512 and first top board 513 are to be formed by the bending of plastic reflective sheet.First light source 52 is arranged in this first light source accommodation space.LGP 53 adjacent first light sources 52 are provided with, and between the first top board plane, 513 place and base plate 511.
In actual applications, light source reflecting housing 51 also comprises two-sided tape 514, is arranged at a side of first top board 513, and LGP 53 is attached at light source reflecting housing 51 by two-sided tape 514, can avoid light leak.
See also Fig. 6, Fig. 6 is the schematic diagram of the module backlight 60 of one embodiment of the invention.Module 60 backlight comprises light source reflecting housing 61, first light source 62, secondary light source 63 and LGP 64.Light source reflecting housing 61 comprises the first light source accommodation space that is surrounded by base plate 611, first side plate 612 and first top board 613, and the secondary light source accommodation space that surrounds by base plate 611, second side plate 614 and second top board 615, base plate 611, first side plate 612, first top board 613, second side plate 614 and second top board 615 are to be formed by the bending of plastic reflective sheet.First light source 62 is arranged in this first light source accommodation space.Secondary light source 63 is arranged in this secondary light source accommodation space.LGP 64 adjacent first light source 62 and the secondary light sources 63 of being arranged at, and between the first top board plane, 613 place and base plate 611.In one embodiment, first top board 613 and second top board 615 be on same plane, and be parallel to base plate 611.In actual applications, module 60 backlight also comprises housing 65, is arranged at light source reflecting housing 61 outsides.
In the present invention, the whole light source reflector adopts the plastic reflective sheet of identical material to make, and one or both ends are bent into the shape of reflector, and as square or arc, mid portion also is a reflector plate, thereby constitutes the Contiuum type light source reflecting housing.The light source of indication of the present invention can be fluorescent tube, as cold cathode ray fluorescent tube (CCFL), also can be luminous secondary body (LED) light source.
Module backlight of the present invention can be assembled by following steps, need to prove, assembling mode is not as limit.At first, with the full wafer reflector plate that cuts according to folding line, about be converted into the shape of reflector, mid portion still is a reflector plate; Then, this Contiuum type reflector is put into housing; Then, the light source of assembling both sides; At last, the assembling LGP, and utilize the two-sided tape of reflector inboard to touch LGP, avoid light leak.
Along with liquid crystal indicator develops towards light, thin, cheap direction, this Contiuum type design more highlights advantage.Because the plastic material unit price is lower than metal material, and the plastic reflective cover do not need the die sinking tool, so the present invention can reduce production costs greatly.Simultaneously, the plastic reflective cover is light more a lot of than metal shade, and it is lighter to help final demonstration product.In addition, the Contiuum type structure can more make full use of light, avoid because the reflector opening designs the colourity uneven phenomenon that tension produces, and assembling is also easier.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, change of being done and retouching without departing from the spirit and scope of the present invention all belongs to scope of patent protection of the present invention.
Claims (10)
1. a light source reflecting housing comprises the first light source accommodation space that is surrounded by base plate, first side plate and first top board, it is characterized in that this base plate, this first side plate and this first top board are to be formed by the bending of plastic reflective sheet.
2. light source reflecting housing as claimed in claim 1 is characterized in that also comprising: by the secondary light source accommodation space that this base plate, second side plate and second top board surround, this second side plate and this second top board also are to be formed by this plastic reflective sheet bending.
3. light source reflecting housing as claimed in claim 2 is characterized in that: this first side plate is set in parallel in this second side plate.
4. light source reflecting housing as claimed in claim 2 is characterized in that: this first top board and this second top board be on same plane, and be parallel to this base plate.
5. light source reflecting housing as claimed in claim 1 is characterized in that also comprising: two-sided tape, be arranged at a side of this first top board, and this side is near this first light source accommodation space.
6. module backlight is characterized in that comprising:
Light source reflecting housing, this light source reflecting housing comprise the first light source accommodation space that is surrounded by base plate, first side plate and first top board, and this base plate, this first side plate and this first top board are to be formed by the bending of plastic reflective sheet;
First light source is arranged in this first light source accommodation space;
LGP, adjacent this first light source setting, and between this plane, first top board place and this base plate.
7. module backlight as claimed in claim 6 is characterized in that: this light source reflecting housing also comprises two-sided tape, is arranged at a side of this first top board, and this LGP is attached at this light source reflecting housing by this two-sided tape.
8. module backlight as claimed in claim 6, it is characterized in that: this light source reflecting housing also comprises the secondary light source accommodation space that is surrounded by this base plate, second side plate and second top board, this second side plate and this second top board also are to be formed by this plastic reflective sheet bending, this first top board and this second top board be on same plane, and be parallel to this base plate.
9. module backlight as claimed in claim 8 is characterized in that also comprising: secondary light source be arranged in this secondary light source accommodation space, and adjacent this LGP is provided with.
10. module backlight as claimed in claim 6 is characterized in that also comprising: housing is arranged at this light source reflecting housing outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101395854A CN101929653A (en) | 2009-06-26 | 2009-06-26 | Light source reflecting housing and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101395854A CN101929653A (en) | 2009-06-26 | 2009-06-26 | Light source reflecting housing and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101929653A true CN101929653A (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101395854A Pending CN101929653A (en) | 2009-06-26 | 2009-06-26 | Light source reflecting housing and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101929653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401296A (en) * | 2011-10-03 | 2012-04-04 | 友达光电股份有限公司 | Backlight module and assembling method thereof |
-
2009
- 2009-06-26 CN CN2009101395854A patent/CN101929653A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401296A (en) * | 2011-10-03 | 2012-04-04 | 友达光电股份有限公司 | Backlight module and assembling method thereof |
| CN102401296B (en) * | 2011-10-03 | 2013-10-30 | 友达光电股份有限公司 | Backlight module and assembling method thereof |
| TWI456311B (en) * | 2011-10-03 | 2014-10-11 | Au Optronics Corp | Backlight module and assembling method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101229 |