CN101834219B - Electrooptical device assembly - Google Patents

Electrooptical device assembly Download PDF

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Publication number
CN101834219B
CN101834219B CN200910126649A CN200910126649A CN101834219B CN 101834219 B CN101834219 B CN 101834219B CN 200910126649 A CN200910126649 A CN 200910126649A CN 200910126649 A CN200910126649 A CN 200910126649A CN 101834219 B CN101834219 B CN 101834219B
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China
Prior art keywords
electrooptical device
optical component
device assembly
energy receiver
auxiliary energy
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CN200910126649A
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CN101834219A (en
Inventor
谢明勋
李宗宪
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Epistar Corp
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Epistar Corp
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Priority to CN200910126649A priority Critical patent/CN101834219B/en
Priority to CN201210247885.6A priority patent/CN102779886B/en
Publication of CN101834219A publication Critical patent/CN101834219A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Abstract

The embodiment of the invention discloses an electrooptical device assembly, which comprises a first auxiliary energy receiver, an optical component and an electrooptical device, wherein the first auxiliary energy receiver is provided with a first energy inlet and a side wall for guiding energy away from the energy inlet; the optical component is coupled with the first auxiliary energy receiver and is provided with a notch facing to the first energy inlet; and the electrooptical device is coupled with the optical component and receives the energy from the first energy inlet.

Description

Electrooptical device assembly
Technical field
The present invention is about a kind of energy collecting system, especially about a kind of solar energy collecting system and the optical lens that engages with it.
Background technology
Fig. 1 shows a traditional light-emitting diode (Light Emitting Diode; LED) encapsulation 10, it comprises an optical lens 11, an encapsulation base 12 and a led chip 13.LED encapsulation 10 has a longitudinal axis 15, and it is through the center of optical lens 11.Led chip 13 is arranged on the encapsulation base 12.Encapsulation base 12 can have a cup (not shown), and this cup can also have a reflector (not shown) to reflect from the bottom surface of led chip 13 and the light of side-emitted, makes it towards the observer.
Optical lens 11 is connected to led chip 13 to receive and to guide the light from led chip 13.Optical lens 11 has depression 14 with ccontaining led chip 13.The light of the depression 14 through optical lens 11 can be advanced on two main light paths: the first light path LP1 is that light marches to surface 1102 from led chip 13, passes through sidewall 1101 through total reflection to be with respect to the longitudinal axis 15 near the angle of 90 degree.The second light path LP2 be light on sidewall 1101, produce total reflection or reflection with meeting angle from led chip 13 directive sidewalls 1101, and to leave optical lens 11 non-perpendicular to the angle of the longitudinal axis 15 substantially.The first light path LP1 helps making an efficient lateral emitting, however second light path but possibly cause the observer do not hope the luminous point seen.
Therefore, for LED encapsulation or light-emitting device, be to avoid making the unhappy luminous point of observer to produce, usually with connect one the mode of thin optical lens to reduce whole size.In addition, also hope that LED encapsulation or light-emitting device can provide even coloured light.
Summary of the invention
According to one embodiment of the invention, electrooptical device assembly comprises an optical component, a base portion and an electrooptical device.This electrooptical device is arranged on the surface of pedestal.This optical component is installed up to pedestal and/or electrooptical device.This optical component has a horn-like expansion portion and a base portion.This horn-like expansion portion comprises a upper surface, a side surface and a lower surface.This upper surface forms the recess of this horn-like expansion portion, and this side surface is connected with upper surface and with respect to a vertical axis tilt, and this longitudinal axis is substantially perpendicular to a horizontal surface of base portion.In addition, it is crooked that side surface is, and be preferably a concave surface.Lower surface is connected with side surface and base portion.Optical component can radiation be symmetrical in the longitudinal axis.
According to another embodiment of the present invention, optical component extends longitudinally, and preferably, left-right symmetric is in a vertical face through optical component.Moreover lens are formed on the upper surface.Especially, upper surface is a corrugated surface.The direction of transfer that is formed on the ripple on the upper surface can be parallel to that this is vertical.The radius of lens is approximately between 50 μ m～60 μ m.Electrooptical device is preferably along the direction of transfer setting of ripple.
According to another embodiment of the present invention, electrooptical device assembly comprises one first auxiliary energy receiver, has one first an energy import and a sidewall in order to guide energy substantially away from this first energy import; One optical component, optical coupled are to this first auxiliary energy receiver and comprise that a recess and towards this first energy import has the depression of a convex end face; And an electrooptical device, optical coupled is to this optical component and receive and come from this first energy energy inlet.
In further embodiment of this invention, electrooptical device assembly comprises one first auxiliary energy receiver, has the second level import that a first order import and has an external boundary and an inner boundary; And an electrooptical device, optical coupled is to this first auxiliary energy receiver; Wherein this external boundary is not for can be penetrable substantially by the radiant energy that this electrooptical device receives, and this inner boundary is penetrable substantially for this radiant energy.Moreover this inner boundary can be defined by the optical component described in each embodiment of the present invention.
During another was implemented in the present invention, electrooptical device assembly comprised an electrooptical device, and being used to change radiant energy is electric energy; One first auxiliary energy receiver comprises one first energy import, a sidewall, reaches an inner surface; And an optical component, guide substantially towards this electrooptical device in order to the radiant energy that will come from this first auxiliary energy receiver, wherein this optical component comprises a depression, its be have one form convex end face.
Moreover one second auxiliary energy receiver optionally combines or optical coupled arrives this first auxiliary energy receiver.Preferably, this second auxiliary energy receiver can be expanded, and more preferably, the first auxiliary energy receiver separates since then.
In an embodiment more of the present invention, an electronic installation comprises a formant; One display unit, formant combines therewith; Formant since then can packed and shift out to one casket body unit into; Reach the electrooptical device assembly just like previous embodiment, the casket body unit combines therewith.
Description of drawings
Fig. 1 shows that a traditional LED encapsulates.
Fig. 2 A shows one embodiment of the invention.
The profile of the electrooptical device assembly shown in Fig. 2 B displayed map 2A.
Fig. 2 C shows the profile of the optical component of the electrooptical device assembly that is connected to Fig. 2 A.
The index path of one embodiment of Fig. 2 D display optical member.
Fig. 2 E shows the following view of electrooptical device assembly according to another embodiment of the present invention.
Fig. 2 F shows the profile of the electrooptical device assembly of one embodiment of the invention.
Fig. 3 A shows the profile of electrooptical device assembly according to another embodiment of the present invention.
The top view of electrooptical device assembly shown in Fig. 3 B displayed map 3A.
Fig. 3 C shows the profile of light-emitting device according to another embodiment of the present invention.
The top view of electrooptical device assembly shown in Fig. 3 D displayed map 3C.
Fig. 4 shows the stereogram of further embodiment of this invention.
Fig. 5 A shows the stereogram of further embodiment of this invention.
The top view of the electrooptical device assembly shown in Fig. 5 B displayed map 5A.
Fig. 6 show according to an embodiment of the invention can receiver radiation can electrooptical device assembly or the profile of assembly.
Fig. 7 A～Fig. 7 D show according to the embodiment of the invention with the electrooptical device assembly of different optical member engages or the profile of assembly.
Fig. 8 show according to the embodiment of the invention with Fresnel lens (Fresnel lens) or planoconvex spotlight (plano-convex lens) electrooptical device assembly that engages or the profile of assembly.
Fig. 9 A and Fig. 9 B show the electrooptical device assembly that combines with the particular optical member according to an embodiment of the invention or the profile of assembly.
The electrooptical device assembly of Figure 10 displayed map 9A and Fig. 9 B or the index path of assembly.
Figure 11 A and Figure 11 B show according to the additional with of further embodiment of this invention or electrooptical device assembly or assembly that extendible energy receiver engages.
Figure 12 shows the portable electronic devices that engages with electrooptical device assembly or assembly according to the embodiment of the invention.
The main element symbol description
10 LED package 2110B upper surfaces
11 optical lens 2110C upper surfaces
1101 surperficial 2110D upper surfaces
1102 sidewall 211A tops
12 encapsulation base 211D tops
13 led chip 212A bottoms
14 depression 212D bottoms
15 longitudinal axis, 22 pedestals
20 electrooptical device assemblies, 23 electrooptical devices
21 optical components, 24 longitudinal axis
21A optical component 30 light-emitting devices
21B optical component 30A light-emitting device
21C optical component 31 optical components
21D optical component 31A optical component
2101 upper surfaces, 3109 ripples
2102 side surfaces, 3110 direction of transfer
2102A side surface 32 pedestals
2102B side surface 33 luminous elements
2102C side surface 34 vertical faces
2102D end 35 is vertical
2103 lower surfaces, 40 first auxiliary energy receivers
The 4001 first energy imports of 2104 concave surfaces
2105 recesses, 4002 sidewalls
2105A recess 4003 inner surfaces
2105B recess 4010 packing materials
4020 first order imports of 2105C recess
4030 second level imports of 2105D recess
2106 base portions, 4040 inner boundaries
2107 depressions, 4050 external boundaries
2107A depression 4060 coboundaries
2107B depression 50 optical components
The 2107C depression 60A second auxiliary energy receiver
The 2107D depression 60B second auxiliary energy receiver
2108 table tops, 100 portable electronic devices
2109 ripples, 101 formants
2110 upper surfaces, 102 display units
2110A upper surface 103 casket body units
Embodiment
Fig. 2 A is an illustration electrooptical device assembly 20 according to an embodiment of the invention.Electrooptical device assembly 20 comprises optical component 21, pedestal 22, reaches the longitudinal axis 24.Optical component 21, for example lens are connected to pedestal 22 and get into light wherein with guiding.The longitudinal axis 24 can pass through or not pass through the center of optical component 21.Preferably, the longitudinal axis 24 is substantially perpendicular to a horizontal surface of pedestal 22.
The profile of the electrooptical device assembly 20 of Fig. 2 B displayed map 2A.Electrooptical device 23 is arranged on the surface of pedestal 22.Electrooptical device 23 includes but not limited to led chip, incandescent lamp, fluorescent lamp, CCFL (Cold Cathode Fluorescent Lamp; CCFL), solar cell and other devices that can launch or receive light and can be connected to optical component 21.
Optical component 21 can be a part and be connected to pedestal 22 by variety of way independently, and those modes include but not limited to that screw is fixed, snapping, frictional fit, bonding agent engage, hot joining closes and ultrasonic wave engages.On the other hand, optical component 21 can be formed on pedestal 22 and/or the electrooptical device 23 by many modes, and those modes include but not limited to injection molding and casting.
Optical component 21 is made up of light transmissive material.Light transmissive material can be a transparent material or a non-transparent material, and 23 of electrooptical devices send or absorbable light can pass through this transparent material or this non-transparent material wholly or in part.Light transmissive material includes but not limited to acrylic resin (Acrylic Resin), cyclic olefin polymer (COC), polymethyl methacrylate (PMMA), Merlon (PC), Merlon/polymethyl methacrylate (PC/PMMA), PEI (Polyetherimide), fluorocarbon polymer (Fluorocarbon Polymer), reaches silica gel (Silicone).Light transmissive material can be endowed color, makes function such as the same filter of optical component 21 and produces required coloured light.
To be full of refraction coefficient in the environment be in 1 the air if electrooptical device assembly 20 is arranged on, and in order to produce required light field, the refraction coefficient of optical component 21 needs between 1.4～1.8.The difference of or the environment that use of living in according to electrooptical device assembly 20, the refraction coefficient of optical component 21 also can be the value beyond the above-mentioned scope.Preferably, the difference of the refraction coefficient of optical component 21 environment residing with it is between 0.45～0.5.
Shown in Fig. 2 B, optical component 21 comprises a horn-like expansion portion and a base portion 2106.Horn-like expansion portion comprises upper surface 2101, and it is the lower surface 2103 that on light transmissive material, forms a recess 2105, is connected to the side surface 2102 of upper surface 2101 and is connected to side surface 2102.Base portion 2106 is in order to receiving the light from electrooptical device 23, and can have a depression 2107 with ccontaining electrooptical device 23.Optical component 21 makes it to leave optical component 21 perpendicular to the direction of the longitudinal axis 24 or non-direct sensing observer's direction substantially in order to most of light that guiding comes from electrooptical device 23.Moreover for avoiding above optical component 21, forming dim spot, the fraction light that comes from electrooptical device 23 can be led to direction that is parallel to the longitudinal axis 24 substantially or the direction of pointing to the observer.
Recess 2105 is in order to form upper surface 2101.Preferably, recess 2105 has a cusp, and it is positioned at upper surface 2101 sinkings place, and points to electrooptical device 23.The longitudinal axis 24 can through or do not pass through cusp.Can form reflecting material or catoptric arrangement march to upper surface 2101 with reflection light on the recess 2105.Reflecting material or catoptric arrangement include but not limited to Ag, Al, Cu, Au, Cr, reflective coating and distributing Bragg reflecting layer (Distributed Bragg Reflector; DBR).Can form a ultraviolet light material on the recess 2105 with the part in the protective device, particularly responsive to ultraviolet light part prevents that it is because of the UV-irradiation deterioration.
Upper surface 2101 is designed to a total reflection (Total Internal Reflection; TIR) surface; In order to the light of reflection, and prevent that it from being left by recess 2105, even so from base portion 2106 entering; Still have part and pass upper surface 2101 with the light of specific incidence angle incident, this specific incidence angle becomes along with the global design of electrooptical device assembly 20.Upper surface 2101 can have the curved surface of radii fixus or two above radiuses for a plane or.Especially, this curved surface can have a radius variable, and it becomes along with the crooked route of upper surface 2101.Preferably, away from the radius of the cusp of recess 2105 greater than radius near cusp.
Side surface 2102 is connected to upper surface 2101, and tilts with respect to the longitudinal axis 24, in order to the side direction of directing light to optical component 21, preferably, in order to the extremely about direction of directing light perpendicular to the longitudinal axis 24.If the angle of the normal line vector of side surface 2102 and the longitudinal axis 24 is about 90 degree, then there is the light that passes side surface 2102 quite at high proportion to advance towards the below.Yet with respect to the longitudinal axis 24 inclination certain angles, preferably, side surface 2102 faces up as if side surface 2102, and shown in Fig. 2 B, the light of advancing towards the below will reduce.Side surface 2102 can be a plane, a rough surface or a curved surface.Curved surface can be concave surface, convex surface or both combinations.Recessed side surface can disperse to pass this surperficial light, and protruding side surface passes this surperficial light with gathering.Rough surface then can scattered beam.
Lower surface 2103 is connected to side surface 2102 and base portion 2106.Upper surface 2101, side surface 2102 and lower surface 2103 form horn-like expansion portion above base portion 2106.
2106 of lower surface 2103 and base portions can form a concave surface 2104.From the light of electrooptical device 23 if directive concave surface 2104 possibly be reflected and towards the zone of recess 2105, therefore can increase the amount of light that penetrates via recess 2105.If this, the observer will be not easy to observe the dim spot of recess 2105 tops of the optical component 21 that occurs in electrooptical device assembly 20.
Can form a depression 2107 with ccontaining electrooptical device 23 in the base portion 2106.The shape of depression 2107 preferably forms taper shape or pyramid.The cusp of circular cone or pyramid can point to the cusp of recess 2105.The table top 2108 of base portion 2106 can be horizontal plane, curved surface or inclined-plane.Light maybe be by refraction and towards advancing perpendicular to the direction of the longitudinal axis 24 substantially through the inclined-plane of inclination certain angle.
Fig. 2 C shows the profile of optical component 21 according to one preferred embodiment of the present invention.For making picture clear, part outline line and label will omit among Fig. 2 C.Shown in Fig. 2 C, optical component 21 is symmetrical in the longitudinal axis 24 for the hypothesis radiation, and preferably, its diameter D is about 105mm, and height H is about 14mm.The angle of recess 2105 cusps can change between A1 and A2, wherein A1 be 30 the degree and A2 be 180 the degree, preferably, A1 be 50 the degree and A2 be 145 the degree.The included angle A 3 that the side surface 2102 and the longitudinal axis are 24 can change between 5 degree～20 degree.The angle A 4 of depression 2107 cusps can change in 180 degree, preferably, and between 90 degree～140 degree.The gradient A5 of table top 2108 can change in 60 degree, preferably, is in 10 degree, to change.The radius R 1 of side surface 2102 can change in 20mm, preferably, in 10mm, changes.The radius R 2 of concave surface 2104 can change in 10mm.Above-mentioned size can be along with the ratio of optical component 21 and concrete design and is adjusted.
Fig. 2 D shows from the launch point P in the base portion and passes the index path of the light of optical component 21.The spontaneous exit point P of light path L1 directive upper surface 2101, and because of one or repeatedly total reflection change direction and reach lower surface 2103 or leave optical component 21, flatly left optical component 21 at side surface 2102 places of bending by refraction at last.The spontaneous exit point P of light path L2 penetrates, and after concave surface 2104 and upper surface 2101 are through twice total reflection, is flatly left optical component 21 at side surface 2102 places of bending by refraction again.The inclined-plane of the spontaneous exit point P of light path L3 directive table top 2108 also flatly leaves optical component 21 after refraction.
The shape of optical component 21 is seen by top view can be oval, circular or rectangle.If optical component 21 is radiation symmetry (radial symmetry) with respect to the longitudinal axis 24 at the center through optical component 21, then optical component 21 top views is shaped as circle.At this moment, the longitudinal axis 24 will be through the cusp of recess 2105.If optical component 21 is left-right symmetric (bilateral symmetry) with respect to the vertical face that optical component 21 is divided into two identical parts, then optical component 21 can be oval, circular or rectangle in the shape of top view.At this moment, the longitudinal axis 24 is positioned at the cusp that also passes through recess 2105 on the vertical face.
Fig. 3 A～Fig. 3 D shows optical component 21 according to another embodiment of the present invention.In the present embodiment, the upper surface 2101 of optical component 21 forms a corrugated surface.The ripple 2109 of upper surface 2101 can be around the longitudinal axis 24, shown in Fig. 3 A, or moves outwardly from the bosom of recess 2105, shown in Fig. 3 C.Fig. 3 B and Fig. 3 D are respectively the top view of two kinds of corrugated surfaces.Ripple 2109 can be formed by a plurality of convex lens.The radius of these convex lens can be between 50 μ m～60 μ m.
Fig. 4 shows the stereogram of yet another embodiment of the invention.The light-emitting device 30 of present embodiment comprises optical component 31, pedestal 32, luminous element 33 and vertical face 34.Optical component 31 has the section similar with above-mentioned optical component 21.The difference that optical component 31 and optical component are 21 is that optical component 31 is formed on one vertical 35 and is passed through by vertical face 34.Vertical 35 sections perpendicular to optical component 31.Vertical face 34 can through or the center line through optical component 31, preferably, substantially perpendicular to a horizontal plane of pedestal 32.
Fig. 5 A shows the stereogram according to the light-emitting device with corrugated upper surface of invention one embodiment.The top view of the light-emitting device shown in Fig. 5 B displayed map 5A.Shown in Fig. 5 A, light-emitting device 30A has the composition similar with light-emitting device shown in Figure 4 30, except the ripple 3109 of the upper surface that is formed on optical component 31A.Shown in Fig. 5 B, ripple 3109 advances along a direction of transfer 3110.Direction of transfer 3110 is the direction that ripple transmits, preferably, for parallel or approximately be parallel to vertical 35, yet other directions can also be accepted.Luminous element 33 can be set under the optical component 31A, preferably, is parallel to direction of transfer 3110 configurations.
As shown in Figure 6, electrooptical device encapsulation or assembly 20 comprise optical component 21, pedestal 22, electrooptical device 23, reach the first auxiliary energy receiver 40 according to an embodiment of the invention.The detailed description of optical component 21 and pedestal 22 can be with reference to aforesaid embodiment.Except light-emitting component like LED and laser diode (laser diode) etc., the photo detector of especially optional solar cell freely of the electrooptical device 23 of present embodiment (solar cell) and photodiode (photo diode) etc.
Optical component 21 be placed in or optical coupled to the first auxiliary energy measuring device 40.The first auxiliary energy receiver 40 has the first energy import 4001, sidewall 4002, and inner surface 4003.Do not compare with the electrooptical device 23 that does not have encapsulation, the solar cell of unassembled any additional concentrator for example, the first auxiliary energy receiver 40 can provide electrooptical device 23 higher flux of energy or density.If electrooptical device 23 can change radiant energy into electric energy, 40 of the first auxiliary energy receivers can be used for collecting the radiant energy that gets into the first energy import 4001, for example: sunlight, ultraviolet light, infrared ray, visible light, X ray, and gamma-rays etc.
Advantageously the sidewall 4002 of the first auxiliary energy receiver 40 is to be configured as reverse truncated cone (reversed truncated conical shape).In other words, the sectional area of the first energy import 4001 is greater than the sectional area of receiver 40 other ends.Yet the external form of the first auxiliary energy receiver 40 can also form like truncated pyramid or semicircle.Moreover sidewall 4002 is combined into composite parabolic reflector (compound parabolic reflector with inner surface 4003; CPC) or power series concentrator (power series concentrator).Form but one of which is selected in reflective material, reflectivity structure, scattering material or structure and the combination thereof at least on inner surface 4003 arbitrarinesses of sidewall 4002 ground or combine with it.Reflective material is aluminium, silver, copper, gold, chromium, tin, iron, nickel, manganese, tungsten, bronze or its alloy or combination for example.Reflectivity structure example such as conductivity or dielectricity distributed Bragg reflector (distributed Bragg reflector; DBR).Scattering material or structure example such as photonic crystal.Moreover, inner surface 4003 can form parabola, ellipsoid, hyperboloid, and the power series face in one of which at least.
Particularly, optical component 21 has side surface 2102, recess 2105, reaches depression 2107.In one embodiment, recess 2105 and depression 2107 are respectively formed at the opposite side of optical component 21.Shown in Fig. 2 B and Fig. 2 F, the internal volume of depression 2107 can form pyramid or semicircle.Moreover depression 2107 can comprise a upper surface 2110 that forms convex profile.This convex upper surface 2110 help make the radiant energy that comes from the first energy import 4001 focus on just for, near or approximately when the zone of electrooptical device 23.In addition, the profile of upper surface 2110 can form the combination in any of concavity, plane, inclined-plane, corrugated or above-mentioned selection.Though optical component 21 cooperates the first auxiliary energy receiver 40, and is as shown in Figure 6, yet present embodiment is not limited to this.Preset sept or gap can be formed between the first auxiliary energy receiver 40 and the optical component 21.And a packing material 4010 can be formed in the part or all of free space of 21 of the first auxiliary energy receiver 40 and optical components.The method that forms packing material 4010 include but not limited to deposit, be coated with, spray, clog, penetrate, absorb, attach dress, bonding, connect, reach and lock.Packing material 4010 can be selected from gas, liquid, reaches solid.Gas is air and inert gas for example.Liquid is water, oil and solvent for example.Solid is oxide, semiconductor, metal, pottery and plastics for example.
Several electrooptical device encapsulation or assemblies 20 of Fig. 7 A to Fig. 7 D illustration other several embodiment according to the present invention.The main difference of Fig. 7 A to Fig. 7 D and Fig. 6 is the optical component kind that is adopted.The optical component 21A of Fig. 7 A has top 211A and bottom 212A.The side surface 2102A of top 211A is similar or identical with the side surface of Fig. 6 2102.Bottom 212A can match with the first auxiliary energy receiver 40.The side surface 2102B that the optical component 21B of Fig. 7 B has can completely or partially connect for how much with at least a portion of the first auxiliary energy receiver 40.Particularly, side surface 2102B forms level and smooth profile.The side surface 2102C that the optical component 21C of Fig. 7 C has presents the indent state.The optical component 21D of Fig. 7 D has top 211D and bottom 212D.Top 211D forms funnel-form and has end 2102D.End 2102D can be considered the distortion or the miniaturization of side surface 2102.Bottom 212D and top 211D physical property are joined.In addition, as shown in Figure 8, optical component 21 can be selected from Fresnel lens (Fresnel lens), planoconvex spotlight (plano-convex lens; Shown in dotted line), biconvex lens (biconvex lens; Below show), positive meniscus shaped lens (positive meniscus lens), negative meniscus lens (negative meniscus lens), plano-concave lens (plano-concave), biconcave lens (biconcave lens), and total internal reflection mirror (TIR lens) in one of or its combination in any.And electrooptical device 23 optionally is contained in the depression 2107 with upper surface 2110.The profile of upper surface 2110 optionally forms the combination in any of concavity, plane, inclined-plane, corrugated or above-mentioned selection.
Shown in Fig. 9 A and Fig. 9 B, encapsulation of according to yet another embodiment of the invention electrooptical device or assembly 20 comprise electrooptical device 23, the first auxiliary energy receiver 40, and optical component 50.Optical component 50 be placed in or optical coupled to the first auxiliary energy measuring device 40.One end optical coupled of electrooptical device 23 and optical component 50, and preferably to be coupled to a side relative with the first energy import 4001.The optical component 50 of Fig. 9 A forms taper shape or pyramid.The profile of circular cone can be selected from parabola, ellipsoid, hyperboloid, and the power series face in one of or its combination in any.
The assembly drawing of Fig. 9 B illustration first auxiliary energy receiver 40 and optical component 50.The inner space of the first auxiliary energy receiver 40 is divided into first order import 4020 and second level import 4030 on can be virtual.Preferably most of parts of optical component 50 are arranged within the second level import 4030.In other words, in the parts of optical component 50 completely without or only minority be arranged among the first order import.The radiant energy that gets into the first energy import 4001 can be displaced downwardly to second level import 4030 by first order import 4020.In addition, if radiant energy in the first auxiliary energy receiver 40, experience reflection, refraction, scattering, with guiding in one of which at least, radiant energy may be by moving to first order import 4020 in the second level import 4030.In certain embodiments, radiant energy in addition can be in first order import 4020 and second level import 4030 one or both of between move around.
The inner space of the first auxiliary energy receiver 40 can by an inner boundary 4040, an external boundary 4050, and a coboundary 4060 delimit.Inner boundary 4040 is limited by optical component.External boundary 4050 is limited by sidewall 40, more particularly, is limited by inner surface 4003 or between optical component 50 and 4002 materials that do not penetrate by radiant energy of sidewall.Coboundary 4060 is limited by the outermost surface of the first energy import 4001.Preferably, for the radiant energy that can be absorbed by electrooptical device 23, inner boundary 4040 is penetrable, and external boundary 4050 is penetrable for not.The penetrability of inner boundary 4040 depends on the material or the surface texture of optical component 50.The numeric representation of penetrability is about 90%, 80%, 70%, 60%, 50%, 40%, 30%, 20%, 10%, 5% or between 99.99% and 5%.The construction of external boundary 4050 normally forms in reflection and the scattering function one of which at least outside inner boundary 4040.For example described in the previous embodiment, external boundary 4050 constitutes by the material or the structure of reflectivity that is formed on inner surface 4003 tops or scattering property.
Person very, in order to the methodology of the embodiment of key diagram 9A and Fig. 9 B also applicable to Fig. 6, Fig. 7 A to Fig. 7 D, with the embodiment of Fig. 8.Form optical component 21,21A～21D, include but not limited to glass, acrylic resin (acrylic resin), cycloolefin co-polymer (cyclic olefin copolymer with 50 light transmissive material; COC), polymethyl methacrylate (PMMA), Merlon (PC), Merlon/polymethyl methacrylate (PC/PMMA), PEI (Polyetherimide; PEI), fluorocarbon polymer (Polyetherimide; PEI), reach silicones (silicone).
Shown in figure 10, electrooptical device encapsulation of the present invention or assembly 20 demonstrate the ability that receives the wide-angle variations incident light.Like the numerical value Simulation result, can be directed to the electrooptical device 23 of target effectively by the first auxiliary energy receiver 40 and optical component 50 with 0 ° to the 50 ° light of injecting the first energy import 4001.Observe ray tracing, most light is reflected by the first auxiliary energy receiver 40, but is 50 reflections of optical component and refraction.
Except that the first auxiliary energy receiver 40, can optionally integrate one second auxiliary energy receiver 60A again in the assembly 20.Say that at length the second auxiliary energy receiver 60A is and the first auxiliary energy receiver, 40 optical coupled, shown in Figure 11 A.Preferably, the second auxiliary energy receiver 60A has composite parabolic reflector (compound parabolic reflector; CPC), the two function of power series concentrator (power series concentrator) or its.And the second auxiliary energy receiver 60A can have reflective interior surfaces.The profile of this reflective interior surfaces form parabola, ellipsoid, hyperboloid, and the power series face in one of which at least.Preferably the external form of the second auxiliary energy receiver 60A to be forming truncated cone, yet, can also be truncated pyramid or semicircle.
In another embodiment of the present invention, telescopic second auxiliary energy receiver 60B and assembly 20 optics are integrated, shown in Figure 11 B.This telescopic second auxiliary energy receiver 60B can expand, therefore, and more portable and collection for the user.
A kind of portable electronic devices 100 is shown in figure 12.Portable electronic devices 100 is like kneetop computer, mobile phone, light notebook computer (netbook), music player, PDA(Personal Digital Assistant), and electronic dictionary.Preferably, portable apparatus 100 comprises formant 101, display unit 102, reaches casket body unit 103.Formant 101 be equipped with input interface, output interface or its two.Display unit 102 comprises visual information output interface, for example: the combination in any of LCD (LCD), light-emitting diode, Organic Light Emitting Diode (OLED) or above-mentioned selection.Casket body unit 103 can move into and shift out formant 101.One electrooptical device 23 and one first auxiliary energy receiver 40 be arranged within the casket body unit 103 or on.Electrooptical device 23 be electrically connected to formant 101, display unit 102 or its two.Moreover telescopic second an auxiliary energy receiver 60B optionally is coupled to provide electrooptical device 23 higher flux of energy or density with the first auxiliary energy receiver 40.In one example, the telescopic second auxiliary energy receiver 60B can separate from casket body unit 103.In addition, the telescopic second auxiliary energy receiver 60B build among the casket body unit 103 in same.Though the present invention has explained that as above so it is not material and manufacturing method thereof in order to limit scope of the present invention, enforcement order or to use.For various modifications and the change that the present invention did, all do not break away from spirit of the present invention and scope.

Claims (13)

1. electrooptical device assembly comprises:
One first auxiliary energy receiver has one first an energy import and a sidewall and gets into this first energy energy inlet away from this first energy import in order to guiding;
One optical component, optical coupled arrives this first auxiliary energy receiver, and comprises that a recess and towards this first energy import has the depression of a convex end face; And
One electrooptical device, optical coupled comes from this first energy energy inlet to this optical component and reception.
2. electrooptical device assembly according to claim 1, wherein this first auxiliary energy receiver comprise a composite parabolic reflector, a power series concentrator or its two.
3. electrooptical device assembly according to claim 1, wherein this optical component is selected from the group by the combination in any of Fresnel lens, planoconvex spotlight, biconvex lens, positive meniscus shaped lens, negative meniscus lens, plano-concave lens, biconcave lens, total internal reflection mirror and above-mentioned selection.
4. electrooptical device assembly according to claim 1, wherein this optical component is made up of a light transmissive material, and also comprises:
One side surface, contiguous this recess.
5. electrooptical device assembly according to claim 1 also comprises:
One second auxiliary energy receiver, optical coupled is to this first auxiliary energy receiver.
6. electrooptical device assembly according to claim 5, wherein this second auxiliary energy receiver can be expanded.
7. electrooptical device assembly comprises:
One electrooptical device, being used to change radiant energy is electric energy;
One first auxiliary energy receiver comprises one first energy import, a sidewall, reaches an inner surface; And
One optical component is guided towards this electrooptical device in order to the radiant energy that will come from this first auxiliary energy receiver,
Wherein this optical component comprises a depression, its be have one form convex end face.
8. electrooptical device assembly according to claim 7, wherein this first auxiliary energy receiver comprise a composite parabolic reflector, a power series concentrator or its two.
9. electrooptical device assembly according to claim 7, wherein this first auxiliary energy receiver comprise at least one profile for parabola, ellipsoid, hyperboloid, one of reach in the power series face.
10. electrooptical device assembly according to claim 7, wherein this optical component is selected from the group by the combination in any of Fresnel lens, planoconvex spotlight, biconvex lens, positive meniscus shaped lens, negative meniscus lens, plano-concave lens, biconcave lens, total internal reflection mirror and above-mentioned selection.
11. electrooptical device assembly according to claim 7 also comprises:
One second auxiliary energy receiver, optical coupled is to this first auxiliary energy receiver.
12. electrooptical device assembly according to claim 7, wherein this second auxiliary energy receiver can be expanded.
13. an electronic installation comprises:
One formant;
One display unit combines with this formant;
One casket body unit can pack into and shift out from this formant; And
Electrooptical device assembly according to claim 7, it combines with this casket body unit.
CN200910126649A 2009-03-10 2009-03-10 Electrooptical device assembly Active CN101834219B (en)

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CN102162625A (en) * 2011-01-30 2011-08-24 深圳市众明半导体照明有限公司 Large-angle LED and LED lamp
CN102748708B (en) * 2011-04-21 2014-03-12 海洋王照明科技股份有限公司 Floodlight total-reflection lens and LED (light-emitting diode) lamp fitting using same
CN102748709B (en) * 2011-04-21 2014-05-14 海洋王照明科技股份有限公司 Full-reflection lens and LED (Light-Emitting Diode) lamp using same
CN102820363A (en) * 2012-08-27 2012-12-12 南昌市常盈科技发展有限公司 Solar high-concentration power-generating chip heat-insulation seat

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