CN2630889Y - Optical module with light guide diffusion board integrating structure - Google Patents
Optical module with light guide diffusion board integrating structure Download PDFInfo
- Publication number
- CN2630889Y CN2630889Y CN 03203321 CN03203321U CN2630889Y CN 2630889 Y CN2630889 Y CN 2630889Y CN 03203321 CN03203321 CN 03203321 CN 03203321 U CN03203321 U CN 03203321U CN 2630889 Y CN2630889 Y CN 2630889Y
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- China
- Prior art keywords
- light guide
- light
- guide plate
- composition surface
- bright dipping
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Abstract
An optic mask that has the structure of including light-guiding plate and diffusion plate is formed with a base, a light-guiding plate, a diffusion plate and a light source. The light-guiding plate that is transparent material is arranged on the one side of the base, the light-guiding plate has a light-extraction interface that is beyond the base. The diffusion plate adheres to the light-extraction interface and connects with the light-extraction interface directly and closely by surface hot melt forming, and forms a light-in interface that is close next to the light-extraction interface. The light source is arranged between the base and the light-guiding plate, the diffusion plate is close combined with the light-guiding plate to avoid existing of air and other medium and the light can not be loss because of air. So the light can be transmitted fully and enhancing the whole luminance and evenness.
Description
Technical field
The utility model relates to a kind of optical module of tool light guide diffusion board integrative-structure, relates in particular to a kind of with the be closely as one optical module of structure of light guide plate and diffuser plate.
Background technology
Display device is one of main output instrument of electronic equipment, and under the design consideration of space reduction and energy saving etc., as LCD, the main flow that has become the computing machine articles for use is equipped with.With mobile computer, China occupies great proportion on whole production and marketing market as can be known, demonstrates the importance of related industry.And for example the LCD used of desktop PC is under the situation that price is rationalized gradually, also universal day by day.The exploitation of LCD TV for another example, its volume have significantly than traditional tv to be dwindled, and makes the configuration in living space have more elasticity.And the flattening of display device is effectively to transmit light in conjunction with the structure of optical module, and it has used the light guide diffusion board structure, makes the whole luminous energy that goes out that sufficient briliancy be arranged, and keeps all degree at each position of light output surface.
The optical module of existing tool light guide diffusion board structure, see also shown in Figure 1, include a pedestal 70, a light source 71, a light guide plate 50 and a diffuser plate 60, wherein this light guide plate 50 is located at this pedestal 70 1 sides, this light guide plate 50 has a bright dipping composition surface 51, this diffuser plate 60 has into light composition surface 61, diffuser plate 60 enter the bright dipping composition surface 51 that light composition surface 61 is placed on light guide plate 50, this light source 71 is located between this pedestal 70 and this light guide plate 50, pedestal 70 nearly these light source 71 sides are provided with reflection subassembly 72, and these diffuser plate 60 1 sides are provided with liquid crystal panel 73.The light that this light source 71 is launched is passed to liquid crystal panel 73 by the light guide diffusion board structure, with the picture and text demonstration of forced fluid crystal panel 73.
The optical module of above-mentioned existing tool light guide diffusion board structure, after this light guide plate 50 and this diffuser plate 60 are made respectively and are finished, diffuser plate 60 is placed on light guide plate 50, light guide plate 50 is fixed in this pedestal 70 and the electronic equipment that matches again with the periphery of diffuser plate 60, light guide plate 50 is to separate manufacturing with diffuser plate 60, shown in Figure 1A, because the entering light composition surface 61 hundred-percent vacuum tightness can't be arranged of the bright dipping composition surface 51 of light guide plate 50 and diffuser plate 60, the irregular gap that has air layer 80 when causing the phase lap to be put each other exists, when this air layer 80 of light process, cause light loss not of uniform size, reduce light and arrive the briliancy of liquid crystal panel 73 and all spend.
Summary of the invention
Fundamental purpose of the present utility model, be to provide a kind of optical module of tool light guide diffusion board integrative-structure, make light guide plate and the diffuser plate structure that directly is combined as a whole closely, avoid having between light guide plate and the diffuser plate other medium to exist, make light can fully transmit bright dipping, promote briliancy and all spend.
In order to reach above-mentioned purpose, the utility model mainly provides a kind of optical module of tool light guide diffusion board integrative-structure, comprise a pedestal, a light guide plate, a diffuser plate and a light source, wherein this light guide plate is transparent material and the one side of being located at this pedestal, light guide plate has a bright dipping composition surface, and this bright dipping composition surface is away from this pedestal; The bright dipping composition surface that this diffuser plate depends on this light guide plate is made directly closely surface heat and is melt into the shape structure that is combined as a whole, and forms one and advance light composition surface next-door neighbour in conjunction with this bright dipping composition surface; And this light source is located between this pedestal and this light guide plate.
The bright dipping composition surface that the light composition surface depends on this light guide plate of advancing of this diffuser plate is shaped, diffuser plate and the light guide plate structure that is combined as a whole closely, avoid existing just like air and other medium between the two, light can directly enter diffuser plate via light guide plate, can not lose because of the air layer medium, therefore light can fully transmit bright dipping, promotes whole briliancy and all spends.
The optical module of a kind of tool light guide diffusion board integrative-structure of the present utility model, it comprises:
One pedestal;
One light guide plate, for transparent material and be located at the one side of this pedestal, this light guide plate has a bright dipping composition surface, and this bright dipping composition surface is away from this pedestal;
One diffuser plate, the bright dipping composition surface that depends on this light guide plate are made directly closely surface heat and are melt into the shape structure that is combined as a whole, and form one and advance light composition surface next-door neighbour in conjunction with this bright dipping composition surface; And
One light source is located between this pedestal and this light guide plate.
The optical module of described tool light guide diffusion board integrative-structure, wherein the light composition surface of advancing of the bright dipping composition surface of this light guide plate and this diffuser plate is pure pure composition surface.
The optical module of described tool light guide diffusion board integrative-structure, wherein this pedestal is provided with reflection subassembly near the surface of this light source.
The optical module of described tool light guide diffusion board integrative-structure, wherein this light guide plate is provided with lines near the surface of this light source.
The optical module of described tool light guide diffusion board integrative-structure, wherein combining closely of this diffuser plate and this light guide plate is that this light guide plate is installed in the slotted eye of a bed die and covers mold, has a gap between the bright dipping composition surface of light guide plate and this mold, the ccontaining hot melt raw material in this gap, this hot melt raw material forms this diffuser plate, hot melt raw material and this light guide plate material structure that directly is closely as one, and form the above-mentioned light composition surface next-door neighbour of advancing in conjunction with this bright dipping composition surface.
Brief Description Of Drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and beneficial effect apparent by detailed description to the utility model preferred embodiment.
In the accompanying drawing,
Fig. 1 is the diagrammatic cross-section of the optical module of existing tool light guide diffusion board structure;
Figure 1A is the enlarged drawing of A part among Fig. 1;
Fig. 2 is the three-dimensional exploded view of the optical module of the utility model tool light guide diffusion board integrative-structure;
Fig. 3 is the three-dimensional combination figure of the optical module of the utility model tool light guide diffusion board integrative-structure;
Fig. 4 is the diagrammatic cross-section of the optical module of the utility model tool light guide diffusion board integrative-structure;
Fig. 4 A is the enlarged drawing of A part among Fig. 4;
Fig. 5 is the light guide plate and the schematic perspective view of mould up and down of the optical module of the utility model tool light guide diffusion board integrative-structure;
Fig. 6 is that the light guide plate of the optical module of the utility model tool light guide diffusion board integrative-structure is installed in the schematic perspective view of mould up and down;
Fig. 7 is that the ccontaining hot melt raw material of the mould up and down of optical module of the utility model tool light guide diffusion board integrative-structure forms the schematic perspective view that diffuser plate and light guide plate are combined closely.
Embodiment
See also shown in Fig. 2 to Fig. 4 A, the utility model is a kind of optical module of tool light guide diffusion board integrative-structure, comprises a pedestal 30, a light guide plate 10, a diffuser plate 20 and a light source 31, wherein:
See also Fig. 5 to shown in Figure 7, the forming process of the optical module of tool light guide diffusion board integrative-structure of the present utility model is provided, after this light guide plate 10 is made in advance and is finished, be installed in the slotted eye 41 of a bed die 40 and cover mold 43, has a gap 42 between the bright dipping composition surface 11 of light guide plate 10 and this mold 43, these gap 42 ccontaining hot melt raw materials, this hot melt raw material forms this diffuser plate 20, hot melt raw material and this light guide plate 10 materials structure that directly is closely as one, and form above-mentioned light composition surface 21 next-door neighbours of advancing in conjunction with this bright dipping composition surface 11.
Therefore, the optical module of tool light guide diffusion board integrative-structure of the present utility model has following characteristics:
This light guide plate is installed in this bed die after making in advance and finishing, and be formed with the gap with this mold, again the hot melt raw material is placed in this gap, to form this diffuser plate, make the bright dipping composition surface shaping that the light composition surface depends on this light guide plate of advancing of this diffuser plate, diffuser plate and light guide plate are able to the structure that is integrated of surface heat clinkering closely, avoid existing just like air and other medium between the two, the light of the light source of light guide plate one side can directly enter diffuser plate via light guide plate, can not lose because of the air layer medium, therefore light can fully transmit bright dipping, promotes whole briliancy and all spends.
Be understandable that; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion, all should belong to the protection domain of the appended claim of the utility model.
Claims (5)
1, a kind of optical module of tool light guide diffusion board integrative-structure is characterized in that it comprises:
One pedestal;
One light guide plate, for transparent material and be located at the one side of this pedestal, this light guide plate has a bright dipping composition surface, and this bright dipping composition surface is away from this pedestal;
One diffuser plate, the bright dipping composition surface that depends on this light guide plate are made directly closely surface heat and are melt into the shape structure that is combined as a whole, and form one and advance light composition surface next-door neighbour in conjunction with this bright dipping composition surface; And
One light source is located between this pedestal and this light guide plate.
2, the optical module of tool light guide diffusion board integrative-structure according to claim 1 is characterized in that, the light composition surface of advancing of the bright dipping composition surface of this light guide plate and this diffuser plate is pure pure composition surface.
3, the optical module of tool light guide diffusion board integrative-structure according to claim 1 is characterized in that, this pedestal is provided with reflection subassembly near the surface of this light source.
4, the optical module of tool light guide diffusion board integrative-structure according to claim 1 is characterized in that, this light guide plate is provided with lines near the surface of this light source.
5, the optical module of tool light guide diffusion board integrative-structure according to claim 1, it is characterized in that, combining closely of this diffuser plate and this light guide plate is that this light guide plate is installed in the slotted eye of a bed die and covers mold, has a gap between the bright dipping composition surface of light guide plate and this mold, the ccontaining hot melt raw material in this gap, this hot melt raw material forms this diffuser plate, hot melt raw material and this light guide plate material structure that directly is closely as one, and form the above-mentioned light composition surface next-door neighbour of advancing in conjunction with this bright dipping composition surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203321 CN2630889Y (en) | 2003-02-09 | 2003-02-09 | Optical module with light guide diffusion board integrating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203321 CN2630889Y (en) | 2003-02-09 | 2003-02-09 | Optical module with light guide diffusion board integrating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2630889Y true CN2630889Y (en) | 2004-08-04 |
Family
ID=34287481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203321 Expired - Fee Related CN2630889Y (en) | 2003-02-09 | 2003-02-09 | Optical module with light guide diffusion board integrating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2630889Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365484C (en) * | 2005-07-25 | 2008-01-30 | 友达光电股份有限公司 | Optical diaphragm assembly, its processing method and device |
| CN102156320A (en) * | 2011-02-25 | 2011-08-17 | 深圳市华星光电技术有限公司 | Side-entrance type light guide plate assembly and backlight module |
| CN102537867A (en) * | 2012-01-06 | 2012-07-04 | 深圳安嵘光电产品有限公司 | Multi-step injection molding light guide plate and manufacture method thereof as well as illumination lamp |
| CN102679271A (en) * | 2012-05-17 | 2012-09-19 | 昆山市诚泰电气股份有限公司 | Light guide diffusion plate and LED (light-emitting diode) plane light source |
-
2003
- 2003-02-09 CN CN 03203321 patent/CN2630889Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365484C (en) * | 2005-07-25 | 2008-01-30 | 友达光电股份有限公司 | Optical diaphragm assembly, its processing method and device |
| CN102156320A (en) * | 2011-02-25 | 2011-08-17 | 深圳市华星光电技术有限公司 | Side-entrance type light guide plate assembly and backlight module |
| CN102537867A (en) * | 2012-01-06 | 2012-07-04 | 深圳安嵘光电产品有限公司 | Multi-step injection molding light guide plate and manufacture method thereof as well as illumination lamp |
| CN102679271A (en) * | 2012-05-17 | 2012-09-19 | 昆山市诚泰电气股份有限公司 | Light guide diffusion plate and LED (light-emitting diode) plane light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |