CN204879602U - Illuminating device - Google Patents
Illuminating device Download PDFInfo
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- CN204879602U CN204879602U CN201520671714.5U CN201520671714U CN204879602U CN 204879602 U CN204879602 U CN 204879602U CN 201520671714 U CN201520671714 U CN 201520671714U CN 204879602 U CN204879602 U CN 204879602U
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- light
- guide plate
- light guide
- optical microstructures
- emitting device
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Abstract
The utility model discloses an illuminating device, including light guide plate module and light source module. The light guide plate module includes at least one light guide plate. The light guide plate includes that first surface, second surface and the income light relative with the first surface incline. It connects in first surface and second surface to go into the light side. In first surface and the second surface at least one has a plurality of optical microstructure. Light source module sets up the income light side in the light guide plate module for provide illumination ray. Illumination ray follows the income light side incident light guide plate of light guide plate module to in follow first surface and the second surface at least one jets out. Optical microstructure in first surface and second surface at least one on the rate that is covered with be less than 80%, therefore illuminating device has good perspective effect.
Description
Technical field
The utility model relates to a kind of Optical devices, and in particular to a kind of light-emitting device.
Background technology
Fig. 1 and Fig. 2 is the simplified diagram of the light-emitting device that prior art is shown respectively.Please refer to Fig. 1 and Fig. 2, in the prior art, light-emitting device 100,200 utilizes its light source module 120,220 to provide illuminating bundle I to light guide plate module 110,210 respectively, light guide plate module 110,210 is incident to allow illuminating bundle I, and after injection light guide plate module 110,210, can audience be passed to.In the prior art, light-emitting device 100,200 usually utilizes large-area homogeneous scattering material or utilizes large-area roughened surface to carry out scattering to illuminating bundle I, to show the pattern of light-emitting device 100,200 for presenting when light source module 120,220 is lighted.Such as, but utilize large area homogeneous scattering material or utilize the mode of large-area roughened surface to show predetermined pattern, the display effect of light-emitting device 100,200 is usually not good, easily produces dazzle.In addition, in the prior art, when light source module 120,220 is not lighted, the site on light guide plate module 110,210 surface may concentrations and cause site, local overstocked, or dot size is excessive, causes transparent effect not good.Such as, in Fig. 1 and Fig. 2, large-area homogeneous scattering material, roughened surface or site account for quite a few on the surface of light guide plate module 110,210, thus can perspective partial area too little, cause the perspectivity of light-emitting device poor.
" 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 known technology in art known to those of ordinary skill.In the content disclosed by " background technology " paragraph, do not represent this content or the one or more embodiment of the utility model problem to be solved, before the utility model application by art in those of ordinary skill to know or cognitive.
Utility model content
The utility model provides a kind of light-emitting device, has good transparent effect.
Other objects 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 objects, an embodiment of the present utility model proposes a kind of light-emitting device, and it comprises light guide plate module and light source module.Light guide plate module comprises at least one light guide plate.Light guide plate comprises first surface, the second surface relative with first surface and incident side.Incident side is connected to first surface and second surface.At least one in first surface and second surface has multiple optical microstructures.Light source module is arranged on the incident side of light guide plate module, in order to provide illuminating bundle.Illuminating bundle from the incident light guide plate of the incident side of light guide plate module, and penetrates from least one first surface and second surface.The rate that is covered with at least one of optical microstructures in first surface and second surface is less than 80%.
In an embodiment of the present utility model, the haze value of above-mentioned light guide plate is less than 40%.
In an embodiment of the present utility model, the projection of shape of at least one of each optical microstructures in first surface and second surface comprises circle, and its diameter is less than 200 microns.
In an embodiment of the present utility model, the projection of shape of at least one of above-mentioned each optical microstructures in first surface and second surface comprises circle, and its diameter is less than 100 microns.
In an embodiment of the present utility model, above-mentioned light guide plate module comprises light transmission film, and optical microstructures is arranged on light transmission film.Light transmission film is pasted at least one in the first surface of light guide plate and second surface.
In an embodiment of the present utility model, above-mentioned optical microstructures is arranged on the surface away from light guide plate of light transmission film.
In an embodiment of the present utility model, multiple male structure that above-mentioned optical microstructures comprises at least one that is formed directly in first surface and second surface are layouted.
In an embodiment of the present utility model, the material of above-mentioned optical microstructures be selected from both resin and glass one of them.
In an embodiment of the present utility model, above-mentioned optical microstructures is clear, colorless.
In an embodiment of the present utility model, at least one of above-mentioned optical microstructures in first surface and second surface is formed a kind of to multiple predetermined pattern.
In an embodiment of the present utility model, above-mentioned light guide plate module comprises multiple light guide plate.Each light guide plate comprises first surface, second surface and incident side.Light source module comprises multiple light-emitting section.Light-emitting section is separately positioned on the incident side of each light guide plate.Light-emitting section provides the illuminating bundle of multiple different colours respectively, is incident to the light guide plate corresponding to it from incident side.
Based on above-mentioned, embodiment of the present utility model at least has one of them advantage following or effect.At least one in the first surface of light guide plate and second surface has multiple optical microstructures, and it is covered with rate and is less than 80%, and therefore light-emitting device has good transparent effect.
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the simplified diagram of the light-emitting device that prior art is shown respectively.
Fig. 3 is the simplified diagram of the light-emitting device that the utility model one embodiment is shown.
Fig. 4 is the simplified diagram of the light-emitting device that another embodiment of the utility model is shown.
Fig. 5 and Fig. 6 is the simplified diagram of the light-emitting device different visual angles that another embodiment of the utility model is shown.
Fig. 7 and Fig. 8 is the simplified diagram of the light-emitting device different visual angles that another embodiment of the utility model is shown.
Detailed description of the invention
About aforementioned and other technology contents, feature and effect of the present utility model, in the detailed description of following cooperation with reference to a graphic preferred embodiment, 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.
Fig. 3 is the simplified diagram of the light-emitting device that the utility model one embodiment is shown.Please refer to Fig. 3, the light-emitting device 300 of the present embodiment comprises light guide plate module 310 and light source module 320.In the present embodiment, light guide plate module 310 comprises at least one light guide plate 312.Light guide plate 312 comprises first surface S1, second surface S2 and incident side S3.Second surface S2 is relative with first surface S1, and two relative edges of incident side S3 are connected to first surface S1 and second surface S2.In the present embodiment, light guide plate module 310 is that a light guide plate 312 is shown, light guide plate 312 can be planar lightguide or curved surface light guide plate, and the utility model is not limited to this.
In the present embodiment, light source module 320 is arranged on the incident side S3 of the light guide plate 312 of light guide plate module 310.Light source module 320 such as comprises a light-emitting section extended in the Y direction 322, wherein, the light-emitting section 322 of the present embodiment can be such as multiple light emitting diode (Light-emittingdevice, non-label) be configured at a substrate (non-label) along the Y direction, in other embodiments, light-emitting section 322 can be such as a cold-cathode tube (Coldcathodefluorescentlamp, non-label), but the form of light emitting source in the utility model included by light source module 320 and kind thereof be not in order to limit the utility model.Light-emitting section 322 is in order to provide illuminating bundle I to light guide plate 312.Illuminating bundle I from the incident light guide plate 312 of the incident side S3 of light guide plate 312, and penetrates from least one first surface S1 and second surface S2.
In the present embodiment, the first surface S1 of light guide plate 312 has multiple optical microstructures 314, and its rate that is covered with on first surface S1 is less than 80%.Therefore, the setting via above-mentioned optical microstructures 314 can make the haze value of light guide plate 312 be less than 40%.In the present embodiment, the first surface S1 of light guide plate 312 such as can be divided into multiple unit area, namely the ratio that the projected area of optical microstructures 314 on each unit area being configured at first surface S1 occupies each unit area is covered with rate, namely the rate that is covered with of the optical microstructures 314 in constituent parts region is less than 80%, and the projected area of optical microstructures 314 on first surface S1 can not overlap mutually.In the present embodiment, optical microstructures 314 is such as that the multiple male structure be formed directly on first surface S1 are layouted and optical microstructures 314 is such as be arranged on the first surface S1 of light guide plate 312 in the mode of ink jet printing, it comprises circle in the projection of shape of first surface S1, and the diameter of this circle is such as less than 200 microns.In one embodiment, the diameter of the circle that optical microstructures 314 projects on first surface S1 also can be less than 100 microns, and the utility model is not limited to this.In the present embodiment, optical microstructures 314 is transparent dye-free, and its material is such as be selected from the same or analogous light transmissive material such as resin or glass.
Therefore, in the present embodiment, with resin or glass for optical microstructures 314 cloth that material is made is implanted in the first surface S1 of light guide plate 312.Spacing is there is between optical microstructures 314, background light beam (non-label) between adjacent optical microstructures 314 by time interference-free, and can penetrate from the second surface S2 of light guide plate 312 through the major part of the background light beam of optical microstructures 314, as shown in Figure 3.And illuminating bundle I can not produce significantly scattering through optical microstructures 314 but reflect by a small margin, namely the light diffusion phenomena of illuminating bundle I are slighter.Therefore, when light-emitting section 322 is not lighted, can't be seriously damaged and distortion at the environmental background of light guide plate about 312 both sides or both sides, front and back, so visual good.When light-emitting section 322 is lighted and illuminating bundle I enters transmission in light guide plate 312, optical microstructures 314 couples of illuminating bundle I reflect or reflect, its effect as strong illumination at optical microstructures 314, the pattern making audience can see that on light guide plate 312, optical microstructures 314 is formed or image.Therefore, in the present embodiment, when light-emitting section 322 is not lighted, light guide plate 312 has good light and penetrates effect, therefore audience from the environmental background viewing and admiring side and see light-emitting device opposite side, but can not see the predetermined pattern that optical microstructures 314 is formed on the surface of light guide plate 312.When light-emitting section 322 is lighted, light guide plate 312 can produce default pattern, to cover the environmental background of light guide plate about 312 both sides or both sides, front and back.Therefore, the light-emitting device 300 of the present embodiment such as can be applied in the light-emitting devices such as advertisement plate, advertisement show window, decorated dormer or meeting room window, and be penetration light-emitting device, present light when light-emitting device 300 is not lighted and penetrate effect, light-emitting device 300 then has screening effect when lighting, and the utility model is not limited to this to its application.
In the present embodiment, although the setting position of optical microstructures 314 is the first surface S1 being arranged on light guide plate 312 is example, the utility model is not limited to this.In other embodiments, optical microstructures 314 also can be arranged on the second surface S2 of light guide plate 312, or is all arranged optical microstructures 314 at the first surface S1 of light guide plate 312 and second surface S2.In addition, in the present embodiment, although be formed directly into light guide plate 312 with optical microstructures 314 first surface S1 on illustrate, the utility model is not limited to this.In other embodiments, optical microstructures also can be that the mode utilizing light transmission film to attach is formed in one of light guide plate on the surface.
Fig. 4 is the simplified diagram of the light-emitting device that another embodiment of the utility model is shown.Please refer to Fig. 4, the light-emitting device 400 of the present embodiment is similar to the light-emitting device 300 of Fig. 3, and difference main between the two is such as that optical microstructures 314 is arranged on light transmission film 414, and light transmission film 414 is pasted to the first surface S1 of light guide plate 312.In the present embodiment, optical microstructures 414 is the surperficial S4 away from light guide plate 312 being arranged on light transmission film 414, and the surface of the opposite side of the surperficial S4 of light transmission film 414 is then pasted to the first surface S1 of light guide plate 312.In addition, spacing is there is between optical microstructures 314, background light beam (non-label) between adjacent optical microstructures 314 by time interference-free, and to penetrate from the second surface S2 of light guide plate 312 through the major part of the background light beam of optical microstructures 314, as shown in Figure 4.And illuminating bundle I can not produce significantly scattering through optical microstructures 314 but reflect by a small margin, namely the light diffusion phenomena of illuminating bundle I are slighter
Fig. 5 and Fig. 6 is the simplified diagram of the light-emitting device different visual angles that another embodiment of the utility model is shown, wherein Fig. 5 is the schematic side view of light-emitting device.In the present embodiment, please refer to Fig. 5 and Fig. 6, the light-emitting device 500 of the present embodiment comprises light guide plate module 510 and light source module 520.In the present embodiment, light guide plate module 510 comprises multiple light guide plate 512_1,512_2,512_3.Light source module 520 comprises multiple light-emitting section 522_1,522_2,522_3.And in the embodiment of Fig. 5, light guide plate module 510 comprises three light guide plates 512_1,512_2,512_3, light source module 520 comprises three light-emitting sections 522_1,522_2,522_3, and light-emitting section 522_1,522_2,522_3 are separately positioned on the incident side of light guide plate 512_1,512_2,512_3.
In the present embodiment, and as the optical microstructures 314 in Fig. 3 such as formed a kind of to multiple predetermined pattern at least one in the first surface and second surface of light guide plate 512_1,512_2,512_3.Light-emitting section 522_1,522_2,522_3 provide the illuminating bundle of multiple different colours respectively, are incident in the light guide plate corresponding to it from the incident side of the light guide plate corresponding to it.For example, in the present embodiment, optical microstructures 314 such as forms different predetermined pattern 610,620,630 on the first surface of light guide plate 512_1,512_2,512_3.Light-emitting section 522_1 provides red illuminating bundle to the light guide plate 512_1 corresponding to it, light-emitting section 522_2 provides green illuminating bundle to provide blue illuminating bundle to the light guide plate 512_3 corresponding to it to the light guide plate 512_2 corresponding to it, light-emitting section 522_3.Therefore, in the present embodiment, when light-emitting section 522_1,522_2,522_3 do not light, light guide plate 512_1,512_2,512_3 have light and penetrate effect.When light-emitting section 522_1,522_2,522_3 timesharing is lighted, light guide plate 512_1,512_2,512_3 can produce the predetermined pattern 610,620,630 of single kind of color in different time points, namely when light-emitting section 522_1 lights and light-emitting section 522_2,522_3 do not light, light guide plate 512_1 can produce red predetermined pattern 610, but the predetermined pattern 620,630 on light guide plate 512_2,512_3 can not be presented; When light-emitting section 522_2 lights and light-emitting section 522_1,522_3 do not light, light guide plate 512_2 can produce green predetermined pattern 620, but the predetermined pattern 610,630 on light guide plate 512_1,512_3 can not be presented; When light-emitting section 522_3 lights and light-emitting section 522_1,522_2 do not light, light guide plate 512_3 can produce blue predetermined pattern 630, but the predetermined pattern 610,620 on light guide plate 512_1,512_2 can not be presented.When light-emitting section 522_1,522_2,522_3 light simultaneously, light guide plate 512_1,512_2,512_3 then produce the predetermined pattern 610,620,630 of multiple color at one time.
In the present embodiment, light-emitting section 522_1,522_2,522_3 provide the color of illuminating bundle only in order to illustrate, be not limited to redness, green, blueness.Further, light-emitting section 522_1,522_2,522_3 provide the color of illuminating bundle also can all identical, part is identical or all different, the utility model is not limited to this.In addition, in the present embodiment, as the optical microstructures 314 in Fig. 3 on the first surface of light guide plate 512_1,512_2,512_3 the predetermined pattern 610,620,630 that formed also can all identical, part is identical or all different, the utility model is not limited to this.
Fig. 7 and Fig. 8 is the simplified diagram of the light-emitting device different visual angles that another embodiment of the utility model is shown, wherein Fig. 7 is the schematic side view of light-emitting device.Please refer to Fig. 7 and Fig. 8, the light-emitting device 700 of the present embodiment is similar to the light-emitting device 500 of Fig. 5, and difference main between the two is such as that light-emitting device 700 shows the mode of predetermined pattern.
Specifically, in the present embodiment, light-emitting device 700 comprises light guide plate module 710 and light source module 720.In the present embodiment, light guide plate module 710 comprises multiple light guide plate 712_1,712_2,712_3,712_4.Light source module 720 comprises multiple light-emitting section 722_1,722_2,722_3,722_4.And in the embodiment of Fig. 7, light guide plate module 710 comprises four light guide plates 712_1,712_2,712_3,712_4, light source module 720 comprises four luminous 722_1,722_2,722_3,722_4, and light-emitting section 722_1,722_2,722_3,722_4 are separately positioned on the incident side of light guide plate 712_1,712_2,712_3,712_4.Light-emitting section 722_1,722_2,722_3,722_4 provide the color of illuminating bundle except red, green, blueness, such as also comprise yellow.And if the optical microstructures 314 in Fig. 3 is such as at light guide plate 712_1, 712_2, 712_3, the first surface of 712_4 is formed the Partial Block 810 of same predetermined pattern 800, 820, 830, 840, optical microstructures on the first surface of i.e. light guide plate 712_1 forms the Partial Block 810 of predetermined pattern 800, optical microstructures on the first surface of light guide plate 712_2 forms the Partial Block 820 of predetermined pattern 800, optical microstructures on the first surface of light guide plate 712_3 forms the Partial Block 830 of predetermined pattern 800, optical microstructures on the first surface of light guide plate 712_4 forms the Partial Block 840 of predetermined pattern 800.Therefore, in the present embodiment, when light-emitting section 722_1,722_2,722_3,722_4 do not light, light guide plate 712_1,712_2,712_3,712_4 tool light penetrates effect.And when light-emitting section 722_1,722_2,722_3,722_4 light simultaneously, the Partial Block 810,820,830,840 of the predetermined pattern 800 on light guide plate 712_1,712_2,712_3,712_4 is collaborative puts the predetermined pattern 800 producing together and have different colours at one time.
In the present embodiment, light-emitting section 722_1,722_2,722_3,722_4 provide the color of illuminating bundle only in order to illustrate, be not limited to redness, green, blueness, yellow.Further, light-emitting section 722_1,722_2,722_3,722_4 provide the color of illuminating bundle also can all identical, part is identical or all different, the utility model is not limited to this.In addition, in the present embodiment, as the optical microstructures 314 in Fig. 3 on the surface of light guide plate 722_1,722_2,722_3,722_4 the predetermined pattern 800 that formed also can all identical, part is identical or all different, the utility model is not limited to this.
In sum, embodiment of the present utility model at least has one of them advantage following or effect.At least one in light guide plate module in the first surface of light guide plate and second surface has multiple optical microstructures, and it is covered with rate and is less than 80%.When the light-emitting section of light source module is not lighted, light guide plate has light and penetrates effect.When light-emitting section is lighted, light guide plate can produce default pattern.Therefore light-emitting device has good transparent effect.
The foregoing is only preferred embodiment of the present utility model, the scope of the utility model enforcement can not be limited with this, all simple equivalence changes done according to claim of the present utility model and utility model summary of the invention with modify, all still belong in scope that the utility model patent contains.Any embodiment of the present utility model or claim must not reach whole object disclosed by the utility model or advantage or feature in addition.In addition, summary part and 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 claim 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.
[symbol description]
100,200,300,400,500,700: light-emitting device
110,210,310,510,710: light guide plate module
120,220,320,520,720: light source module
312,512_1,512_2,512_3,712_1,712_2,712_3,712_4: light guide plate
314: optical microstructures
322,522_1,522_2,522_3,722_1,722_2,722_3,722_4: light-emitting section
414: light transmission film
610,620,630,800: predetermined pattern
810,820,830,840: the Partial Block of predetermined pattern
I: illuminating bundle
S1: first surface
S2: second surface
S3: incident side
S4: the surface of light transmission film
X, Y, Z: coordinate direction
Claims (11)
1. a light-emitting device, comprising:
One light guide plate module, comprise at least one light guide plate, at least one light guide plate described comprises a first surface, a second surface relative with described first surface and an incident side, described incident side is connected to described first surface and described second surface, and at least one in described first surface and described second surface has multiple optical microstructures; And
One light source module, be arranged on the described incident side of described light guide plate module, in order to provide an illuminating bundle, described illuminating bundle is from least one light guide plate described in the described incident side incidence of described light guide plate module, and from least one injection described first surface and described second surface
The rate that is covered with at least one of wherein said multiple optical microstructures in described first surface and described second surface is less than 80%.
2. light-emitting device as claimed in claim 1, it is characterized in that, the haze value of at least one light guide plate described is less than 40%.
3. light-emitting device as claimed in claim 1, it is characterized in that, the projection of shape of at least one of each described optical microstructures in described first surface and described second surface comprises circle, and its diameter is less than 200 microns.
4. light-emitting device as claimed in claim 1, it is characterized in that, the projection of shape of at least one of each described optical microstructures in described first surface and described second surface comprises circle, and its diameter is less than 100 microns.
5. light-emitting device as claimed in claim 1, it is characterized in that, described light guide plate module comprises a light transmission film, described multiple optical microstructures is arranged on described light transmission film, and described light transmission film is pasted at least one in the described first surface of at least one light guide plate described and described second surface.
6. light-emitting device as claimed in claim 5, is characterized in that, described multiple optical microstructures is arranged on the surface away from least one light guide plate described of described light transmission film.
7. light-emitting device as claimed in claim 1, is characterized in that, multiple male structure that described multiple optical microstructures comprises at least one that is formed directly in described first surface and described second surface are layouted.
8. light-emitting device as claimed in claim 1, is characterized in that, the material of described multiple optical microstructures be selected from both resin and glass one of them.
9. light-emitting device as claimed in claim 1, it is characterized in that, described multiple optical microstructures is clear, colorless.
10. light-emitting device as claimed in claim 1, is characterized in that, at least one of described multiple optical microstructures in described first surface and described second surface is formed a kind of to multiple predetermined pattern.
11. light-emitting devices as claimed in claim 1, it is characterized in that, described light guide plate module comprises multiple light guide plate, each described multiple light guide plate comprises described first surface, described second surface and described incident side, described light source module comprises multiple light-emitting section, each described multiple light-emitting section is separately positioned on the described incident side of described multiple light guide plate, wherein said multiple light-emitting section provides the illuminating bundle of multiple different colours respectively, is incident to the described multiple light guide plate corresponding to it from described incident side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520671714.5U CN204879602U (en) | 2015-09-01 | 2015-09-01 | Illuminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520671714.5U CN204879602U (en) | 2015-09-01 | 2015-09-01 | Illuminating device |
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| CN204879602U true CN204879602U (en) | 2015-12-16 |
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| CN201520671714.5U Active CN204879602U (en) | 2015-09-01 | 2015-09-01 | Illuminating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224847A (en) * | 2016-08-29 | 2016-12-14 | 成都天慕科技有限公司 | A kind of luminous plaque of energy display pattern |
| CN107167866A (en) * | 2017-06-08 | 2017-09-15 | 京东方科技集团股份有限公司 | A kind of light guide plate, the method for preparing light guide plate, backlight module and display device |
-
2015
- 2015-09-01 CN CN201520671714.5U patent/CN204879602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224847A (en) * | 2016-08-29 | 2016-12-14 | 成都天慕科技有限公司 | A kind of luminous plaque of energy display pattern |
| CN107167866A (en) * | 2017-06-08 | 2017-09-15 | 京东方科技集团股份有限公司 | A kind of light guide plate, the method for preparing light guide plate, backlight module and display device |
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Effective date of registration: 20190124 Address after: Hsinchu Science Park, Taiwan, China Patentee after: Zhongqiang Photoelectric Co., Ltd. Address before: Hsinchu Science Park, Taiwan, China Patentee before: YOUNG Lighting Technology Inc |