CN102588889A - Light collecting unit, electro-optical device and light emitting device - Google Patents

Light collecting unit, electro-optical device and light emitting device Download PDF

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Publication number
CN102588889A
CN102588889A CN2012100348241A CN201210034824A CN102588889A CN 102588889 A CN102588889 A CN 102588889A CN 2012100348241 A CN2012100348241 A CN 2012100348241A CN 201210034824 A CN201210034824 A CN 201210034824A CN 102588889 A CN102588889 A CN 102588889A
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China
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light
lgp
unit
light harvesting
structural
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CN2012100348241A
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Chinese (zh)
Inventor
叶钧皓
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SUZHOU XIANGLONG PLASTIC CO Ltd
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SUZHOU XIANGLONG PLASTIC CO Ltd
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Priority to CN2012100348241A priority Critical patent/CN102588889A/en
Publication of CN102588889A publication Critical patent/CN102588889A/en
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Abstract

The invention relates to a light collecting unit, an electro-optical device and a light emitting device. The light collecting unit comprises an incident face, a reflection inclined face and an emergent face, wherein the incident face is provided with an incident microstructure, the emergent face is provided with an emergent microstructure, and one light ray enters the light collecting unit from the incident face, passes through the reflection face and is sent out of the light collecting unit by the emergent face. The light collecting unit has the beneficial effect of further improving light concentrating efficiency. Through adoption of the light collecting unit, the electro-optical device and the light emitting device, provided by the invention, the generating efficiency and light efficiency can be improved respectively.

Description

Light harvesting unit, electrooptical device and light-emitting device
Technical field
The present invention relates to a kind of electrooptical device and light-emitting device, relate in particular to the light harvesting unit in this electrooptical device and the light-emitting device.
Background technology
The world faced the energy starved problem in recent years, made the application of green energy resource significantly raise.Wherein the sun and we live closely bound uply, and the energy that the sun produces is close to unlimited, and is inexhaustible; Compared to obtaining of wind-force, underground heat equal energy source, obtaining of sunshine seems more or less freely.
The energy of sunshine comprises luminous energy and heat energy, the wherein utilization of luminous energy, and the mode that can be drawn by photoconduction is to become electric power as illumination or by solar cell with transform light energy.The characteristic of solar cell is can be along with sunray intensity is big more, and its power output also can be amplified thereupon.So in order to increase the luminous intensity that solar cell receives, can light be concentrated, to increase the power output or the illumination efficiency of solar cell by a light harvesting unit.Therefore, the structure of light harvesting unit just seems quite important.
Therefore, how a kind of light harvesting unit is provided, can promotes the usefulness that light is concentrated, and then improve the efficient of electrooptical device and light-emitting device, real is one of current important topic.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of light harvesting unit, are intended to solve the above problems.
The present invention also provides the electrooptical device that adopts above-mentioned light harvesting unit.
The present invention also provides the light-emitting device that adopts above-mentioned light harvesting unit.
In order to solve the problems of the technologies described above, the present invention realizes through following technical scheme:
Light harvesting of the present invention unit comprises: an incidence surface; Described incidence surface has a light inlet micro-structural; One reflecting slant; An and exiting surface; Described exiting surface has a bright dipping micro-structural; One light gets into this light harvesting unit by this incidence surface, and penetrates this light harvesting unit through this reflecting slant by this exiting surface.
Electrooptical device of the present invention comprises: an above-mentioned light harvesting unit and a photoelectric subassembly; Described photoelectric subassembly is arranged on the light path that this light passes through.
Light-emitting device of the present invention comprises: an above-mentioned light harvesting unit and an energy-storage units; Described energy-storage units is arranged on the light path that light passes through; An and luminescence unit; Described luminescence unit and this energy-storage units electrically connect and are luminous.
Compared with prior art, the invention has the beneficial effects as follows: can further promote light and concentrate usefulness; So, the electrooptical device and the light-emitting device of application the present invention's light harvesting unit can increase generating efficiency and illumination efficiency respectively.
Description of drawings
Fig. 1 is the sketch map of a kind of electrooptical device of first embodiment of the invention;
Fig. 2 is the sketch map of a kind of electrooptical device of second embodiment of the invention;
Fig. 3 A and Fig. 3 B are the sketch map of a kind of light-emitting device of third embodiment of the invention; And
Fig. 4 is the sketch map of a kind of light-emitting device of fourth embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
Because above-mentioned problem, the present invention's purpose is to provide a kind of can promote the usefulness that light is concentrated, and then improves the light harvesting unit of the efficient of electrooptical device and light-emitting device.
For reaching above-mentioned purpose, comprise an incidence surface, a reflecting slant and an exiting surface according to a kind of light harvesting unit of the present invention.Incidence surface has a light inlet micro-structural.Exiting surface has a bright dipping micro-structural, and a light gets into the light harvesting unit by incidence surface, and penetrates the light harvesting unit through reflecting slant by exiting surface.
In one embodiment, the area of exiting surface is less than the area of incidence surface.
In one embodiment, incidence surface is one of LGP surface, and reflecting slant is another surface of LGP, and exiting surface connects incidence surface and reflecting slant.
In one embodiment, incidence surface is one of one first LGP surface, and reflecting slant is one of one second LGP surface, and exiting surface is another surface of second LGP, and first LGP and second LGP system repeatedly put each other.
In one embodiment, the light harvesting unit more comprises one and binds glue, and it is arranged between first LGP and second LGP.
In one embodiment, incidence surface and reflecting slant are respectively one of one first LGP surface, and exiting surface is one of one second LGP surface, and first LGP is adjacent to second LGP.
In one embodiment, the light harvesting unit more comprises a reflection subassembly.The first LGP directing light is to reflection subassembly, reflection subassembly reflection ray to the second LGP.
In one embodiment, light inlet micro-structural or bright dipping micro-structural comprise the one of few to wherein of site, V ditch, R ditch.
In one embodiment, light inlet micro-structural or bright dipping micro-structural be convex and concavity at least one of them.
For reaching above-mentioned purpose, comprise as stated a light harvesting unit and a photoelectric subassembly according to a kind of electrooptical device of the present invention.Photoelectric subassembly is arranged on the light path that the light that penetrated from the light harvesting unit passes through.
In one embodiment, photoelectric subassembly is a solar cell or an optical sensor.
In one embodiment, photoelectric subassembly is arranged at exiting surface.
For reaching above-mentioned purpose, comprise as stated light harvesting unit, an energy-storage units and a luminescence unit according to a kind of light-emitting device of the present invention.Energy-storage units is arranged on the light path that the light that penetrated from the light harvesting unit passes through.Luminescence unit and energy-storage units electrically connect and are luminous.
In one embodiment, energy-storage units comprises a solar cell.
In one embodiment, energy-storage units is arranged at exiting surface.
In one embodiment, luminescence unit comprises at least one light-emitting diode component.
In one embodiment, the light harvesting unit more comprises an optical sensor, and it is adjacent to luminescence unit, and the luminous intensity of luminescence unit changes according to one of optical sensor sensing value.
Hold the above, in the present invention's light harvesting unit, electrooptical device and light-emitting device, incidence surface and exiting surface have a light inlet micro-structural and a bright dipping micro-structural respectively, can significantly promote the usefulness that light is concentrated by micro-structural.In addition, reflecting slant can change the direct of travel of light, and thus, exiting surface can be onesize with incidence surface, and it is littler than incidence surface to be designed to area, and then can further promote the concentrated usefulness of light.So, the electrooptical device and the light-emitting device of application the present invention's light harvesting unit can increase generating efficiency and illumination efficiency respectively.
Fig. 1 is the sketch map of a kind of electrooptical device 1 of first embodiment of the invention.Electrooptical device 1 comprises a light harvesting unit 10 and a photoelectric subassembly P.Be noted that, light harvesting unit 10 this be with photoelectric subassembly P collocation be example, but in other embodiments, but light harvesting unit 10 individualisms or use with other assembly collocation.
Light harvesting unit 10 comprises an incidence surface 101, a reflecting slant 102 and an exiting surface 103.In this; Light harvesting unit 10 is to be example to comprise a LGP 104; And incidence surface 101 is one of LGP 104 surface; Reflecting slant 102 is LGP 104 another surface with respect to incidence surface 101, and reflecting slant 102 is relative and not parallel with incidence surface 101, and makes that LGP 104 is a wedge shape LGP.Exiting surface 103 connects incidence surface 101 and reflecting slant 102.Incidence surface 101 has a light inlet micro-structural 105, and exiting surface 103 has a bright dipping micro-structural 106.Light inlet micro-structural 105 or bright dipping micro-structural 106 can for example comprise site, V ditch, R ditch at least one of them, and can be into convex and concavity at least one of them; At this, light inlet micro-structural 105 is to be example with plural convex V ditch, and bright dipping micro-structural 106 is to be example with plural convex site, and convex V ditch forms in the time of can be by the ejection formation LGP in the lump, and the convex site can be arranged at exiting surface 103 by printing.Light is to get into light harvesting unit 10 by incidence surface 101, and through and uneven reflecting slant 102 relative with incidence surface 101 light is reflexed to the direction of exiting surface 103, and penetrates light harvesting unit 10 by exiting surface 103.
When light penetrated light harvesting unit 10 via light inlet micro-structural 105 entering light harvesting unit 10 and by bright dipping micro-structural 106, the usefulness of concentrating of light was increased dramatically.In addition, reflecting slant 102 can change the light direct of travel, and it is littler than incidence surface to make that exiting surface 103 can be designed to area, and at this, the area of exiting surface 103 can more promote light thus and concentrate usefulness less than the area of incidence surface 101.
Photoelectric subassembly P is arranged on the light path that the light that penetrated from light harvesting unit 10 passes through, and at this, photoelectric subassembly P is being arranged at one of light harvesting unit 10 side, and is adjacent to exiting surface 103 and is example, and wherein, photoelectric subassembly P can contact or not contact with exiting surface 103.Photoelectric subassembly P can for example be a solar cell or an optical sensor, and at this, photoelectric subassembly P is to be example with the solar cell.Because light is concentrated by micro-structural 105,106, and is penetrated by the less exiting surface 103 of area, and makes luminous intensity increase, so that the electrogenesis power of photoelectric subassembly P gets a promotion.
The light of 10 ejaculations more can be used for illumination or others except can be used for photoelectric subassembly P from the light harvesting unit.
Fig. 2 is the sketch map of a kind of electrooptical device 2 of second embodiment of the invention.Electrooptical device 2 comprises a light harvesting unit 20 and a photoelectric subassembly P.The person of noting, light harvesting unit 20 this be with photoelectric subassembly P collocation be example, but in other embodiments, but light harvesting unit 20 individualisms or use with other assembly collocation.
Light harvesting unit 20 comprises an incidence surface 201, a reflecting slant 202 and an exiting surface 203.At this, light harvesting unit 20 is comprising one first LGP 204 and one second LGP 207 is an example, and first LGP 204 and second LGP 207 are repeatedly to put side by side each other.Wherein, incidence surface 201 is one of first LGP 204 surface, and reflecting slant 202 is one of second LGP 207 surface, and exiting surface 203 is another surface of second LGP 207 and the reflecting slant 202 that is linked to second LGP 207.
Incidence surface 201 has a light inlet micro-structural 205, and exiting surface 203 has a bright dipping micro-structural 206.In addition, one of the relative surface of first LGP 204 and incidence surface 201 also has a micro-structural 208.Above-mentioned micro-structural 205,206,208 can for example comprise site (can be transparent), V ditch, R ditch one of at least, and can be convex and concavity one of at least; At this, micro-structural 205,206,208 is an example with the convex site all.Light is to get into light harvesting unit 20 by incidence surface 201, and passes micro-structural 208 and incident second LGP 207, penetrates light harvesting unit 20 through reflecting slant 202 reflections by exiting surface 103 again.
Light harvesting unit 20 more comprises one and binds glue 209, and it is arranged between first LGP 204 and second LGP 207, in order to bind two LGPs 204,207 (graphic is decomposing schematic representation).The refractive index of binding glue 209 can be between first LGP 204 and second LGP 207; For example bind the refractive index of the refractive index of glue 209 greater than first LGP 204; And less than the refractive index of second LGP 207; Can avoid light from the total reflection phenomenon between first LGP, 204 to second LGPs 207 thus, and then promote the light effective utilization.
Photoelectric subassembly P is arranged on the light path that the light that penetrated from light harvesting unit 20 passes through, and at this, photoelectric subassembly P is being arranged at outside the light harvesting unit 20, and is adjacent to exiting surface 203 and is example.Photoelectric subassembly P can for example be a solar cell or an optical sensor, and at this, photoelectric subassembly P is to be example with the solar cell.Owing to light is increased by micro-structural 205,206, the 208 concentrated luminous intensities that make, so that the power output of photoelectric subassembly P gets a promotion.
The light of 20 ejaculations more can be used for illumination or others except can be used for photoelectric subassembly P from the light harvesting unit.For example when photoelectric subassembly P is an optical sensor, can confirm then whether the amount of light that is penetrated by exiting surface 203 is enough.
Fig. 3 A is the sketch map of a kind of light-emitting device (also can be described as an electrooptical device) 3a of third embodiment of the invention.Light-emitting device 3a comprises a light harvesting unit 30a and a photoelectric subassembly P.Note, light harvesting unit 30a this be with photoelectric subassembly P1 collocation be example, but in other embodiments, but light harvesting unit 30a individualism or use with other assembly collocation.
Light harvesting unit 30a comprises an incidence surface 301, a reflecting slant 302 and an exiting surface 303.At this; Light harvesting unit 30a is to comprise one first LGP 304 and one second LGP 307 is an example; First LGP 304 is to be adjacent to second LGP 307, and for example two LGPs 304,307 for example are that folder is established an angle setting, are vertically to be provided with two LGPs, 304,307 essence at this.Incidence surface 301 is one of first LGP 304 surface, and reflecting slant 302 is another surface of first LGP 304, and incidence surface 301 is oppositely arranged with reflecting slant 302.Exiting surface 303 is another surface of second LGP 307.
Incidence surface 301 has a light inlet micro-structural 305, and exiting surface 303 can be the arbitrary surface beyond second LGP 307 and first LGP, 302 adjacently situated surfaces, and has a bright dipping micro-structural 306.Above-mentioned micro-structural 305,306 can for example comprise site, V ditch, R ditch one of at least, and can be convex and concavity one of at least; In this, micro-structural 305,306 is an example with the convex site all.
In addition, light harvesting unit 30a more can comprise a reflection subassembly 309.First LGP, 304 directing lights are to reflection subassembly 309, reflection subassembly 309 reflection ray to the second LGPs 307.At this, reflection subassembly 309 is arranged between first LGP 304 and second LGP 307, and is positioned at the intersection of first LGP 304 and second LGP 307, is incident upon second LGP 307 with directing light by first LGP 304.Light gets into light harvesting unit 30a via incidence surface 301 and light inlet micro-structural 305, reflexes to reflection subassembly 309 via reflecting slant 302 again.Reflection subassembly 309 reflexes to second LGP 307 with light, but and micro-structural 308 reflection rays of second LGP 307 (promote light effective utilization), last light penetrates light harvesting unit 30a via exiting surface 303 and bright dipping micro-structural 306.
Photoelectric subassembly P1 is to be example with a luminescence unit at this, and it can comprise the luminescence component of at least one light-emitting diode component, organic luminescent assembly, fluorescent lamp or other kind.At this, photoelectric subassembly P1 is arranged at a lampshade C to go up and emit beam.
In the present embodiment, by micro-structural 305,306, the concentrate usefulness and the effective utilization of light can significantly promote.And can outdoor light be concentrated to be directed to indoorly, and it is luminous to be aided with photoelectric subassembly P1.So after the user feels via light harvesting unit light harvesting, when indoor light is still not enough, then can open luminescence unit, and then increase indoor light intensity.
Fig. 3 B is the sketch map of another kind of light-emitting device (also the can be described as an electrooptical device) 3b of third embodiment of the invention.Light-emitting device 3b comprises a light harvesting unit 30b, a photoelectric subassembly P2 and a luminescence unit L.Note, light harvesting unit 30b this be with photoelectric subassembly P2 and luminescence unit L collocation be example, but in other embodiments, but light harvesting unit 30b individualism or use with other assembly collocation.
Light harvesting unit 30b comprises an incidence surface 301, a reflecting slant 302 and an exiting surface 303.At this; Light harvesting unit 30b is to comprise one first LGP 304 and one second LGP 307 is an example; First LGP 304 is to be adjacent to second LGP 307, and for example two LGPs 304,307 for example are that folder is established an angle setting, are vertically to be provided with two LGPs, 304,307 essence at this.Incidence surface 301 is one of first LGP 304 surface, and reflecting slant 302 is another surface of first LGP 304, and incidence surface 301 is oppositely arranged with reflecting slant 302.Exiting surface 303 is another surface of second LGP 307.
Incidence surface 301 has a light inlet micro-structural 305, and exiting surface 303 can be the arbitrary surface beyond second LGP 307 and first LGP, 302 adjacently situated surfaces, and has a bright dipping micro-structural 306.Above-mentioned micro-structural 305,306 can for example comprise site, V ditch, R ditch one of at least, and can be convex and concavity one of at least; At this, micro-structural 305,306 is an example with the convex site all.
Photoelectric subassembly P2 is arranged on the light path that light passes through; At this, photoelectric subassembly P2 is being arranged between first LGP 304 and second LGP 307, and is adjacent to first LGP 304 and is example.Photoelectric subassembly P2 can for example be an energy-storage units (for example solar cell) or an optical sensor.If photoelectric subassembly P2 is an energy-storage units; Then but photoelectric subassembly P2 absorption portion light is to produce electric power; And let another part light pass through; And photoelectric subassembly P2 can electrically connect (figure shows) with the luminescence unit L that is arranged at second LGP, 307 1 sides, make photoelectric subassembly P2 supply electric power to luminescence unit L so that it is luminous; If photoelectric subassembly P2 is an optical sensor; Then photoelectric subassembly P2 can electrically connect with luminescence unit L, but and light intensity arround the sensing, make luminescence unit L control according to one of photoelectric subassembly P2 sensing value; For example the exiting surface 303 of second LGP 307 is towards indoor; As room lighting,, find luminous intensity not enough (less than a default value time) when the luminous intensity of the exiting surface 303 of photoelectric subassembly P2 sensing second LGP 307; Photoelectric subassembly P2 can send the control signal with unlatching luminescence unit L, and then adjusts indoor luminous intensity.
In addition, light harvesting unit 30b more can comprise a reflection subassembly 309.First LGP, 304 directing lights are to reflection subassembly 309, reflection subassembly 309 reflection ray to the second LGPs 307.At this, reflection subassembly 309 is arranged between first LGP 304 and second LGP 307, and is positioned at the intersection of first LGP 304 and second LGP 307, is incident upon second LGP 307 with directing light by first LGP 304.Light gets into light harvesting unit 30 via incidence surface 301 and light inlet micro-structural 305, reflexes to photoelectric subassembly P2 and reflection subassembly 309 via reflecting slant 302 again.Wherein, photoelectric subassembly P2 can have the transmittance section or the area of photoelectric subassembly P2 is less, can not cover whole light, makes at least a portion light can arrive reflection subassembly 309.Reflection subassembly 309 reflexes to second LGP 307 with light, but and micro-structural 308 reflection rays of second LGP 307 (promote light effective utilization), last light penetrates light harvesting unit 30b via exiting surface 303 and bright dipping micro-structural 306.
Luminescence unit L can comprise the luminescence component of at least one light-emitting diode component, organic luminescent assembly, fluorescent lamp or other kind.At this, luminescence unit L is arranged at a lampshade C to go up and emit beam.
In the present embodiment, by micro-structural 305,306, the concentrate usefulness and the effective utilization of light can significantly promote.And can outdoor light be concentrated to be directed to indoorly, and it is luminous to be aided with luminescence unit L.Except in order to the illumination, more can supply photoelectric subassembly P2 generating.In addition, if light intensity is not enough, but luminous intensity arround the photoelectric subassembly P2 sensing promotes luminous intensity with the driving signal of adjustment luminescence unit L and carries out luminance compensation.
Fig. 4 is the sketch map of a kind of light-emitting device (also can be described as an electrooptical device) 4 of fourth embodiment of the invention.Light-emitting device 4 comprises a light harvesting unit 40, two photoelectric subassembly P3, P4 and a luminescence unit L.The person of noting, light harvesting unit 40 this be with photoelectric subassembly P3, P4 and luminescence unit L collocation be example, but in other embodiments, but light harvesting unit 40 individualisms or use with other assembly collocation.
Be that with the 3rd embodiment main difference light-emitting device 4 comprises two photoelectric subassembly P3, P4, and the position of the photoelectric subassembly P1 of the position of photoelectric subassembly P3, P4 and the 3rd embodiment, P2 is inequality.In addition, one of second LGP 307 and exiting surface 303 are relative, and the surface also has a micro-structural 308, and makes that second LGP 307 can two bright dippings.And luminescence unit L is to be example to be arranged at exiting surface 303, and certainly, light-emitting device 4 also can have two luminescence unit L, is arranged at the set surface of micro-structural 308 respectively, and exiting surface 303.
In the present embodiment, photoelectric subassembly P3 is an energy-storage units, for example is a solar cell.Photoelectric subassembly P3 can link exiting surface 303 or be adjacent to exiting surface 303; At this is that to be adjacent to exiting surface 303 with photoelectric subassembly P3 be example, and photoelectric subassembly P3 is arranged on the lampshade C.Photoelectric subassembly P4 is an optical sensor, and it is to be adjacent to luminescence unit L, in order to light intensity arround the sensing, makes luminescence unit L control according to one of photoelectric subassembly P4 sensing value, and then the adjustment luminous intensity.When the power shortage of luminescence unit L, photoelectric subassembly P3 can assist power supply to give luminescence unit L.
In sum, in the present invention's light harvesting unit, electrooptical device and light-emitting device, incidence surface and exiting surface have a light inlet micro-structural and a bright dipping micro-structural respectively, can significantly promote the usefulness that light is concentrated by micro-structural.In addition, reflecting slant can change the direct of travel of light, and by this, exiting surface can be onesize with incidence surface, and it is littler than incidence surface to be designed to area, and then can further promote the concentrated usefulness of light.So, the electrooptical device and the light-emitting device of application the present invention's light harvesting unit can increase generating efficiency and illumination efficiency respectively.
The above is merely illustrative, but not is restricted person.Any spirit and category that does not break away from the present invention, and to its equivalent modifications of carrying out or change all should be contained in the scope that accompanying Claim protects.

Claims (17)

1. a light harvesting unit is characterized in that comprising: an incidence surface; Described incidence surface has a light inlet micro-structural; One reflecting slant; An and exiting surface; Described exiting surface has a bright dipping micro-structural; One light gets into this light harvesting unit by this incidence surface, and penetrates this light harvesting unit through this reflecting slant by this exiting surface.
2. light harvesting according to claim 1 unit is characterized in that: the area of this exiting surface is less than the area of this incidence surface.
3. light harvesting according to claim 1 unit is characterized in that: this incidence surface is one of LGP surface, and this reflecting slant is another surface of this LGP, and this exiting surface connects this incidence surface and this reflecting slant.
4. light harvesting according to claim 1 unit; It is characterized in that: this incidence surface is one of one first LGP surface; This reflecting slant is one of one second LGP surface, and this exiting surface is another surface of this second LGP, and this first LGP and this second LGP are repeatedly to put each other.
5. light harvesting according to claim 4 unit is characterized in that also comprising: one binds glue; Described bonding glue is arranged between this first LGP and this second LGP.
6. light harvesting according to claim 1 unit is characterized in that: this incidence surface and this reflecting slant are respectively one of one first LGP surface, and this exiting surface is one of one second LGP surface, and this first LGP is adjacent to this second LGP.
7. light harvesting according to claim 6 unit is characterized in that also comprising: a reflection subassembly; This this light of first LGP guiding is to this reflection subassembly, and this this light of reflection subassembly reflection is to this second LGP.
8. light harvesting according to claim 1 unit is characterized in that: this light inlet micro-structural or this bright dipping micro-structural comprise site, V ditch, R ditch at least one of them.
9. light harvesting according to claim 8 unit is characterized in that: this light inlet micro-structural or this bright dipping micro-structural be convex and concavity at least one of them.
10. electrooptical device is characterized in that comprising: like each described light harvesting unit in 1 of the claim the-the 9th; An and photoelectric subassembly; Described photoelectric subassembly is arranged on the light path that this light passes through.
11. electrooptical device according to claim 10 is characterized in that: this photoelectric subassembly is a solar cell, an optical sensor or a luminescence unit.
12. electrooptical device according to claim 10 is characterized in that: this photoelectric subassembly is arranged on exiting surface.
13. a light-emitting device is characterized in that comprising: like each a described light harvesting unit and an energy-storage units in 1 of the claim the-the 8th; Described energy-storage units is arranged on the light path that light passes through; An and luminescence unit; Described luminescence unit and this energy-storage units electrically connect and are luminous.
14. light-emitting device according to claim 13 is characterized in that: this energy-storage units comprises a solar cell.
15. light-emitting device according to claim 13 is characterized in that: this energy-storage units is arranged at exiting surface.
16. light-emitting device according to claim 13 is characterized in that: this luminescence unit comprises at least one light-emitting diode component.
17. light-emitting device according to claim 13 is characterized in that also comprising: an optical sensor; Described optical sensor is adjacent to this luminescence unit, and the luminous intensity of this luminescence unit changes according to one of this optical sensor sensing value.
CN2012100348241A 2012-02-16 2012-02-16 Light collecting unit, electro-optical device and light emitting device Pending CN102588889A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103969735A (en) * 2013-01-29 2014-08-06 肖特公开股份有限公司 Light concentrator or distributor
CN104033826A (en) * 2013-03-04 2014-09-10 刘鸿达 Flexible light gathering module and display

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1659459A (en) * 2002-06-04 2005-08-24 皇家飞利浦电子股份有限公司 Loss-less etendue-preserving light guides
CN101752440A (en) * 2008-12-12 2010-06-23 财团法人工业技术研究院 Light-source light harvesting module
CN202469613U (en) * 2012-02-16 2012-10-03 苏州向隆塑胶有限公司 Photoelectric device and luminous device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1659459A (en) * 2002-06-04 2005-08-24 皇家飞利浦电子股份有限公司 Loss-less etendue-preserving light guides
CN101752440A (en) * 2008-12-12 2010-06-23 财团法人工业技术研究院 Light-source light harvesting module
CN202469613U (en) * 2012-02-16 2012-10-03 苏州向隆塑胶有限公司 Photoelectric device and luminous device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103969735A (en) * 2013-01-29 2014-08-06 肖特公开股份有限公司 Light concentrator or distributor
CN104033826A (en) * 2013-03-04 2014-09-10 刘鸿达 Flexible light gathering module and display
CN104033826B (en) * 2013-03-04 2016-06-29 刘鸿达 Bendable light-collecting module and display

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