CN204420756U - Light source module and light guide plate - Google Patents
Light source module and light guide plate Download PDFInfo
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- CN204420756U CN204420756U CN201520122583.5U CN201520122583U CN204420756U CN 204420756 U CN204420756 U CN 204420756U CN 201520122583 U CN201520122583 U CN 201520122583U CN 204420756 U CN204420756 U CN 204420756U
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- light
- guide plate
- light guide
- stipple pattern
- source module
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- 230000027772 skotomorphogenesis Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000000181 anti-adherent effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
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Abstract
The utility model discloses a light source module, including a light guide plate and at least a light-emitting component. The light guide plate is provided with a light incident surface, a first side surface, a second side surface and a third side surface, wherein the second side surface is opposite to the light incident surface, and the first side surface and the third side surface are connected with the second side surface and the light incident surface. The light guide plate includes a plurality of dot patterns. The dot patterns are located on at least one of the first side surface, the second side surface and the third side surface, and the area density of the dot patterns is uniform. And the at least one light-emitting element is positioned beside the light incident surface. In addition, a light guide plate is also provided. The utility model discloses a light source module and light guide plate can improve the etiolation phenomenon of keeping away from emitting diode's picture position, and then make light source module's white light have good colour degree of consistency.
Description
Technical field
The utility model relates to a kind of light source module and light guide plate, and relates to a kind of light source module and the light guide plate with stipple pattern especially.
Background technology
Along with the evolution of photoelectric technology, be configured at cathode fluorescent tube (the cold cathode fluorescent lamp of the side of light guide plate in the prior art, CCFL) replace by light emitting diode (light-emitting diode, LED).Because light emitting diode has the advantages such as long service life, low power consumption, reaction speed be fast, light emitting diode is therefore adopted to be the performance of the light source module of light source and also to be promoted service life.
But the side incident type light source module of existing employing light emitting diode, takes one-sided long limit or minor face light inlet more, and light emitting diode is one arranged in a straight line.And the luminous mechanism of light emitting diode normally adopts blue chip to excite yellow fluorescent powder to be used as white light source.So, when the light of light emitting diode enters light guide plate, according to Rayleigh (Rayleigh) scattering principle, the easier scattering of ruddiness that the shorter blue light of wavelength is longer than wavelength, so when light transmits in light guide plate, the shorter blue light of wavelength is more not easily passed to the position away from light emitting diode, and can cause the aetiolation of picture.Therefore, how to make the side incident type light source module of employing light emitting diode have good color uniformity, the real problem for improving at present.
No. I335477th, TaiWan, China patent discloses a kind of backlight module comprising a light source, a light guide plate and a housing.Light guide plate comprise an exiting surface, one with the vertical incidence surface that is connected of exiting surface and multiple side.Multiple side is provided with pigmented reflective structure, and pigmented reflective structure is attached directly on multiple side by pigmented reflective material.No. 202443145th, Chinese patent discloses a kind of edge-type light guide plate, comprise incidence surface, two sides vertical with incidence surface and the terminal surface parallel with incidence surface, wherein side is covered with the first anti-adhesive tape in side, the color of the first anti-adhesive tape in side from one end of contiguous incidence surface to away from incidence surface one end by white gradually transition be bluish violet.
Background technology paragraph is only used to help to understand the utility model content, and the content therefore disclosed by background technology paragraph may comprise some and not form prior art known to those skilled in the art.In the content disclosed by background technology paragraph, do not represent described content or the one or more embodiment of the utility model problem to be solved, be readily known to those persons skilled in the art before the utility model application or cognition.
Utility model content
The utility model provides a kind of light source module, can improve the aetiolation of picture.
The utility model provides a kind of light guide plate, can improve the aetiolation of picture.
Other object of the present utility model and advantage can be further understood from the technical characteristic disclosed by the utility model.
For reaching one of above-mentioned or partly or entirely object or other object, an embodiment of the present utility model proposes a kind of light source module.Light source module comprises a light guide plate and at least one light-emitting component.Light guide plate has an incidence surface, one first side surface, one second side surface and one the 3rd side surface, and wherein the second side surface is relative with incidence surface, and the first side surface is connected the second side surface and incidence surface with the 3rd side surface.Light guide plate comprises multiple stipple pattern.Stipple pattern is positioned at least on one of them of the first side surface, the second side surface and the 3rd side surface, and the surface density of these stipple patterns is even.At least one light-emitting component, is positioned at by incidence surface.
For reaching one of above-mentioned or partly or entirely object or other object, an embodiment of the present utility model proposes a kind of aforesaid light guide plate.
In an embodiment of the present utility model, above-mentioned stipple pattern is positioned on the second side surface.
In an embodiment of the present utility model, above-mentioned stipple pattern area occupied and the area ratio of the second side surface drop in the scope of 20% to 30%.
In an embodiment of the present utility model, above-mentioned stipple pattern is positioned on the first side surface or the 3rd side surface.
In an embodiment of the present utility model, the area ratio of above-mentioned stipple pattern area occupied and the first side surface or the 3rd side surface drops in the scope of 20% to 30%.
In an embodiment of the present utility model, above-mentioned stipple pattern is blue.
In an embodiment of the present utility model, above-mentioned stipple pattern is strip, circle or polygon.
Based on above-mentioned, embodiment of the present utility model can reach following advantages or effect at least one of them.The light source module of embodiment of the present utility model arranges multiple stipple pattern by least one side surface at light guide plate, and when light is reflected by stipple pattern, in light beam, the intensity of blue light will be reinforced.Thus, the light beam leaving light guide plate via stipple pattern reflection also comparatively can be partial to blueness, and can improve the aetiolation of the picture position away from light emitting diode, and then makes the white light of light source module have good color uniformity.
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate appended accompanying drawing to be described in detail below.
Accompanying drawing explanation
Figure 1A is the configuration diagram of a kind of light source module of an embodiment of the present utility model.
Figure 1B is the partial schematic diagram of the stipple pattern of Figure 1A.
Fig. 2 A is the schematic side view of the light source module of Figure 1A.
Fig. 2 B is the partial schematic diagram of the light source module of Figure 1A.
Fig. 3 A to Fig. 3 B is the partial schematic diagram of different stipple patterns.
Description of reference numerals:
60: light beam
100: light source module
110: light guide plate
111: incidence surface
112: the first side surfaces
113: the second side surfaces
114: the three side surfaces
120: light-emitting component
130: reflector element
NP: stipple pattern
W1, W2: width
Detailed description of the invention
About aforementioned and other technology contents, feature and effect of the present utility model, in the following detailed description coordinated with reference to a preferred embodiment of accompanying drawing, can clearly present.The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to accompanying drawing.Therefore, the direction term of use is used to illustrate and is not used for limiting the utility model.
Figure 1A is the configuration diagram of a kind of light source module of an embodiment of the present utility model.Figure 1B is the partial schematic diagram of the stipple pattern of Figure 1A.Fig. 2 A is the schematic side view of the light source module of Figure 1A.Fig. 2 B is the partial schematic diagram of the light source module of Figure 1A.Please refer to Figure 1A, the light source module 100 of the present embodiment comprises a light guide plate 110 and at least one light-emitting component 120.Specifically, as shown in Figure 1A, in the present embodiment, light guide plate 110 has incidence surface 111,1 first side surface 112,1 second side surface 113 and one the 3rd side surface 114, wherein the second side surface 113 is relative with incidence surface 111, and the first side surface 112 is connected the second side surface 113 and incidence surface 111 with the 3rd side surface 114.It is other that light-emitting component 120 is positioned at incidence surface 111, in order to send a light beam 60.Wherein, light-emitting component 120 is such as the light emitting diode of blue chip collocation yellow fluorescent powder, but the utility model is also not limited thereto.
More specifically, as shown in Figure 1B, light guide plate 110 comprises multiple stipple pattern NP, and wherein stipple pattern NP is such as blue.For example, in the present embodiment, stipple pattern NP can adopt the mode of printing or coating to be formed on light guide plate 110, and therefore the material of stipple pattern NP such as can be the material of ink and so on.For example, in the present embodiment, the material of stipple pattern NP is such as blue ink.
Furthermore, in the present embodiment, stipple pattern NP is positioned at least on one of them of the first side surface 112, second side surface 113 and the 3rd side surface 114.For example, in the present embodiment, stipple pattern NP is positioned on the second side surface 113, and the surface density of these stipple patterns NP is even.At this, the surface density of stipple pattern NP evenly refers to that the area of layouting of stipple pattern NP, density degree and color depth are consistent in the second side surface 113 ratio everywhere.More specifically, in the present embodiment, stipple pattern NP is strip, and the area ratio of stipple pattern NP area occupied and the second side surface 113 is about 25%, and the width W 1 that is with the region of stipple pattern NP is about 1:3 with other width W 2 not scribbling the region of stipple pattern NP.It should be noted, number range is herein all only the use exemplarily illustrated, it is also not used to limit the utility model.
In other embodiments, the area ratio of stipple pattern NP area occupied and the second side surface 113 also can be other ratio, for example, be preferred in the scope that the area ratio of stipple pattern NP area occupied and the second side surface 113 drops on 20% to 30%, but the utility model is also not limited thereto.Those skilled in the art when the proper proportion (width W 1 namely with the region of stipple pattern NP does not scribble the ratio of the width W 2 in the region of stipple pattern NP with other) that can determine the area ratio of stipple pattern NP area occupied and the second side surface 113 according to actual demand, at this with regard to it will not go into details.In addition, those skilled in the art also can determine the color depth depth of blue ink according to actual demand, at this, also it will not go into details.
In addition, in the present embodiment, stipple pattern NP also can be positioned on the first side surface 112 or the 3rd side surface 114.Further, similarly, in the present embodiment, the area ratio of stipple pattern NP area occupied and the first side surface 112 or the 3rd side surface 114 drops in the scope of 20% to 30%, but the utility model is also not limited thereto.Those skilled in the art are when the proper proportion that can determine the area ratio of stipple pattern NP area occupied and the first side surface 112 according to actual demand, or the proper proportion of the area ratio of decision stipple pattern NP area occupied and the 3rd side surface 114, and at this, just it will not go into details.
Thus, as shown in Figure 2 A, when light-emitting component 120 is luminous, light beam 60 can enter light guide plate 110 by incidence surface 111, and advances with total reflection in light guide plate 110 inside.Further, the bottom surface of light guide plate 110 also can have scattering micro-structural (not shown) with the total reflection phenomenon of broken beam 60, make light beam 60 leave light guide plate 110.On the other hand, light beam 60 is also reflected back light guide plate 110 by the reflector element 130 be positioned at below light guide plate 110 by light source module 100 again, and then makes light beam 60 leave light guide plate 110.Now, the stipple pattern NP be arranged on the second side surface 113 can strengthen advancing with total reflection in light guide plate 110 and being passed to the intensity of the blue light of the light beam 60 on the second side surface 113.Thus, the light beam 60 leaving light guide plate 110 via stipple pattern NP reflection also comparatively can be partial to blueness, can improve the aetiolation of the picture position away from light-emitting component 120, and then make the white light of light source module 100 have good color uniformity.
In addition, as shown in Figure 2 B, the stipple pattern NP be arranged on the first side surface 112 or the 3rd side surface 114 can strengthen advancing with total reflection in light guide plate 110 and being passed to the intensity of the blue light of the light beam 60 on the first side surface 112 or the 3rd side surface 114.Thus, the light beam 60 leaving light guide plate 110 via stipple pattern NP reflection also comparatively can be partial to blueness, and can improve the aetiolation of the picture position away from light-emitting component 120, and then makes the white light of light source module 100 have good color uniformity.
It should be noted that in the foregoing embodiments, though the stipple pattern NP of light source module 100 is example with strip, the utility model is not limited thereto.In other embodiments, stipple pattern NP also can be other shape.Below collocation Fig. 3 A to Fig. 3 B is explained orally further.
Fig. 3 A to Fig. 3 B is the partial schematic diagram of different stipple patterns.Please refer to Fig. 3 A to Fig. 3 B, in the present embodiment, stipple pattern NP also can be circle (as shown in Figure 3A) or polygon (as shown in Figure 3 B).Furthermore, in the present embodiment, when light is reflected by stipple pattern NP, in light beam 60, the intensity of blue light will be reinforced.Thus, the light beam 60 leaving light guide plate 110 via stipple pattern NP reflection also comparatively can be partial to blueness, therefore the aetiolation of the picture position away from light-emitting component 120 can also be improved, and can be applicable in the light source module 100 of previous embodiment, and the white light of light source module 100 is made to have good color uniformity.In other words, the utility model does not limit the pattern of stipple pattern NP, and those skilled in the art are when determining applicable stipple pattern NP according to actual demand, and at this, just it will not go into details.
In sum, embodiment of the present utility model can reach following advantages or effect at least one of them.The light source module of the utility model embodiment arranges multiple stipple pattern by least one side surface at light guide plate, and when light is reflected by stipple pattern, in light beam, the intensity of blue light will be reinforced.Thus, the light beam leaving light guide plate via stipple pattern reflection also comparatively can be partial to blueness, and can improve the aetiolation of the picture position away from light emitting diode, and then makes the white light of light source module have good color uniformity.
The foregoing is only preferred embodiment of the present utility model, when can not limit the scope of the utility model enforcement with this, namely all simple equivalences done according to the utility model claims and description change and amendment, all still belong to the scope that the utility model patent contains.Any embodiment of the present utility model or claim do not need to reach whole object disclosed by the utility model or advantage or feature in addition.In addition, summary and utility model title are only used to the use of auxiliary patent document retrieval, are not used for limiting interest field of the present utility model.In addition, the term such as " first ", " second " of mentioning in this description or claims only in order to name the title of element (element) or to distinguish different embodiment or scope, and is not used for the quantitative upper limit of limiting element or lower limit.
Claims (14)
1. a light source module, comprises a light guide plate and at least one light-emitting component,
Described light guide plate has an incidence surface, one first side surface, one second side surface and one the 3rd side surface, wherein said second side surface is relative with described incidence surface, and described first side surface is connected described second side surface and described incidence surface with described 3rd side surface, and described light guide plate comprises:
Multiple stipple pattern, be positioned at least on one of them of described first side surface, described second side surface and described 3rd side surface, and the surface density of described multiple stipple pattern is even;
Described at least one light-emitting component is positioned at by described incidence surface.
2. light source module as claimed in claim 1, it is characterized in that, described multiple stipple pattern is positioned on described second side surface.
3. light source module as claimed in claim 2, it is characterized in that, the area ratio of described multiple stipple pattern area occupied and described second side surface drops in the scope of 20% to 30%.
4. light source module as claimed in claim 1, it is characterized in that, described multiple stipple pattern is positioned on described first side surface or described 3rd side surface.
5. light source module as claimed in claim 4, it is characterized in that, the area ratio of described multiple stipple pattern area occupied and described first side surface or described 3rd side surface drops in the scope of 20% to 30%.
6. light source module as claimed in claim 1, is characterized in that, described multiple stipple pattern is blue.
7. light source module as claimed in claim 1, it is characterized in that, described multiple stipple pattern is strip, circle or polygon.
8. a light guide plate, there is an incidence surface, one first side surface, one second side surface and one the 3rd side surface, wherein said second side surface is relative with described incidence surface, and described first side surface is connected described second side surface and described incidence surface with described 3rd side surface, and described light guide plate comprises:
Multiple stipple pattern, be positioned at least on one of them of described first side surface, described second side surface and described 3rd side surface, and the surface density of described multiple stipple pattern is even.
9. light guide plate as claimed in claim 8, it is characterized in that, described multiple stipple pattern is positioned on described second side surface.
10. light guide plate as claimed in claim 9, it is characterized in that, the area ratio of described multiple stipple pattern area occupied and described second side surface drops in the scope of 20% to 30%.
11. light guide plates as claimed in claim 8, is characterized in that, described multiple stipple pattern is positioned on described first side surface or described 3rd side surface.
12. light guide plates as claimed in claim 11, is characterized in that, the area ratio of described multiple stipple pattern area occupied and described first side surface or described 3rd side surface drops in the scope of 20% to 30%.
13. light guide plates as claimed in claim 8, is characterized in that, described multiple stipple pattern is blue.
14. light guide plates as claimed in claim 8, it is characterized in that, described multiple stipple pattern is strip, circle or polygon.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103219445 | 2014-11-03 | ||
| TW103219445U TWM498899U (en) | 2014-11-03 | 2014-11-03 | Light source module and light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420756U true CN204420756U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520122583.5U Expired - Fee Related CN204420756U (en) | 2014-11-03 | 2015-03-03 | Light source module and light guide plate |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204420756U (en) |
| TW (1) | TWM498899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208460A (en) * | 2019-07-09 | 2021-01-12 | 群光电能科技股份有限公司 | Luminous vehicle logo |
-
2014
- 2014-11-03 TW TW103219445U patent/TWM498899U/en not_active IP Right Cessation
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2015
- 2015-03-03 CN CN201520122583.5U patent/CN204420756U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208460A (en) * | 2019-07-09 | 2021-01-12 | 群光电能科技股份有限公司 | Luminous vehicle logo |
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| Publication number | Publication date |
|---|---|
| TWM498899U (en) | 2015-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20160303 |