CN102809103A - Variable-focus light emitting device - Google Patents
Variable-focus light emitting device Download PDFInfo
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- CN102809103A CN102809103A CN2012102875649A CN201210287564A CN102809103A CN 102809103 A CN102809103 A CN 102809103A CN 2012102875649 A CN2012102875649 A CN 2012102875649A CN 201210287564 A CN201210287564 A CN 201210287564A CN 102809103 A CN102809103 A CN 102809103A
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Abstract
The invention provides a variable-focus light emitting device which comprises a light source module and a focus varying module. The light source module comprises a plurality of semiconductor light emitting units. The focus varying module is disposed on one side of the light source module and comprises a circuit board and a plurality of liquid lenses disposed on the circuit board. The liquid lenses comprise first liquid and second liquid. A liquid interface is disposed between the first liquid and the second liquid. The liquid lenses correspond to the light emitting units. Different curvature of the liquid interface is generated by the liquid lenses according to different voltage applied by the circuit board. Light emitted by the light emitting units irradiates into corresponding liquid lenses, and angles of the light emitting from the liquid lenses changes according to the curvature of the liquid interface. By the variable-focus light emitting device, lighting range and light angles can be changed, and size miniaturization and thinning of the overall device are facilitated.
Description
Technical field
The invention relates to a kind of light-emitting device, especially a kind of light-emitting device of zoom stype.
Background technology
Light-emitting device is very general in daily life, especially can change the light-emitting device of illumination zone, for example stage lighting, displaying lamp, car light, warning lamp or fishing lamp or the like.The general mode that changes illumination zone normally makes up the mode of reaching optical zoom with plural lenses; Through the relative position between the adjustment set of lenses; Produce different illumination zones; But this mode of utilizing set of lenses to carry out optical zoom needs bigger accommodation space to supply organ and set of lenses to move each other, is difficult for accomplishing the design of microminiaturization or slimming.In addition; Because organ and set of lenses are after configuration is accomplished on the light-emitting device; Usually can only change the illumination zone of light-emitting device exiting surface through the mode of optical zoom, be difficult for angle, for the light-emitting device that conversion light angle demand is arranged with user's demand adjustment illumination direction; For example active Lamp for indicating change of drive direction; Need more rotatable mechanism element, controller and motor, utilize motor to drive the rotatable mechanism element set of lenses is rotated and the change angle, the entire lighting device that the element of these increases makes needs bigger accommodation space; Thus, has the more difficult design of accomplishing microminiaturization or slimming of Optical devices that changes illumination zone and light angle simultaneously.
Summary of the invention
In order to make Optical devices can accomplish microminiaturization and slimming, but can take into account the function that it can change illumination zone and light angle again simultaneously, the present invention provides a kind of varifocal light-emitting device hereby.
The invention discloses a kind of zoom stype light-emitting device, it is characterized in that comprising: the light source module comprises a plurality of semiconductor light emittings unit; And the zoom module, being configured in a side of this light source module, this zoom module comprises a circuit board and is arranged on a plurality of liquid lens on this circuit board;
Wherein, This liquid lens comprises first liquid and second liquid, has a liquid interface between this first liquid and this second liquid, this liquid lens and the corresponding setting in this semiconductor light emitting unit; This liquid lens produces the curvature of this different liquid interface by this circuit board applies the difference of voltage; The light that sends from this semiconductor light emitting unit is injected this corresponding liquid lens, and according to the curvature of this liquid interface, changes the angle after this light penetrates this liquid lens.
Preferably, this zoom module more comprises a solid transparent material layer, is configured on the first surface of this circuit board, or is configured on the second surface of this circuit board with respect to this first surface.
Further, the base material of this solid transparent material layer is processed by any one or multiple combination in the materials such as Merlon, polymethyl methacrylate, polyethylene terephthalate, Triafol T, polystyrene, polypropylene, polyethylene, polyvinyl chloride, Merlon and polyurethane.
Further; This solid transparent material layer has a plurality of transparent material structures; Be configured in should a plurality of semiconductor light emittings unit and the position of this a plurality of liquid lens, wherein this transparent material structure employing rectangular recess structure, concavees lens structure or convex lens structures.
Further; This transparent material structure is the rectangular recess structure and is configured in this circuit board on this first surface of this liquid lens; The recess of this rectangular recess structure is towards this liquid lens, and has one first distance between the basal surface of this rectangular recess structure and this liquid lens.
Further; This transparent material structure is on rectangular recess structure and this second surface that is configured in this circuit board; The recess of this rectangular recess structure is towards this semiconductor light emitting unit, and has a second distance between the basal surface of this rectangular recess structure and this semiconductor light emitting unit.
In described zoom stype light-emitting device, preferred, this circuit board is the transparent circuitry plate with plurality of electrodes circuit, so that the light that sends from this semiconductor light emitting unit is injected this corresponding liquid lens after passing this circuit board.
Further; This circuit board has a plurality of perforation and plurality of electrodes circuit; This liquid lens is arranged on this punch position and is electrically connected this electrode circuit, so that the light that sends from this semiconductor light emitting unit is injected this corresponding liquid lens after passing this perforation of this circuit board.
Further, this light source module more comprises a template radiator, this semiconductor light emitting unit is arranged on the first surface of this template radiator, and provides power supply to be arranged on this first surface of this template radiator to the electrode wires of this semiconductor light emitting unit.
This liquid lens has the first lens electrode end and the second lens electrode end that is oppositely arranged in described zoom stype light-emitting device; This circuit board comprises the plurality of electrodes circuit; A pair of system in those electrode circuits distinctly is coupled to this first lens electrode end and this second lens electrode end, and the change of this liquid interface curvature of this liquid lens is to provide different bias voltages to control by this electrode circuit.
Further, this liquid lens has the first lens electrode end and the second lens electrode end that is oppositely arranged, and this circuit board comprises that this circuit unit comprises: first scan line to plurality of circuits unit that should a plurality of liquid lens; First data wire; First electric crystal has first gate, first source electrode and first drain, and wherein this first gate is coupled to this first scan line, and this first source electrode is coupled to this first data wire; First electric capacity has the first relative capacitance electrode end and the second capacitance electrode end, and wherein this first capacitance electrode end is coupled between this first lens electrode end and this first drain, and this second capacitance electrode is coupled to a public electrode; Second scan line; Second data wire; Second electric crystal has second gate, second source electrode and second drain, and wherein this second gate is coupled to this second scan line, and this second source electrode is coupled to this second data wire; And second electric capacity, have the 3rd relative capacitance electrode end and the 4th capacitance electrode end, wherein the 3rd capacitance electrode end is coupled between this second lens electrode end and this second drain, and the 4th capacitance electrode end is coupled to this public electrode,
Wherein, the change of this liquid interface curvature of this liquid lens is that the sweep signal by this first scan line of correspondence, the data-signal of this first data wire, the sweep signal of this second scan line are controlled with the different bias voltages that data-signal produced of this second data wire.
Compared with prior art, utilize varifocal light-emitting device of the present invention, not only can reach the function that changes illumination zone and light angle, also more help miniaturization, the slimming of whole device on volume simultaneously.
Description of drawings
Figure 1A is the profile of zoom stype light-emitting device in the first embodiment of the invention.
Figure 1B～Fig. 1 D be among this first embodiment under different bias voltages the operational circumstances of liquid lens 116.
Fig. 2 is the circuit board of zoom stype light-emitting device among this first embodiment and the schematic top plan view of liquid lens
Fig. 3 is the another kind of circuit board of zoom stype light-emitting device among this first embodiment and the schematic top plan view of liquid lens layout.
Fig. 4 is the vertical view of semiconductor light emitting unit and template radiator among this first embodiment.
Fig. 5 is the profile of zoom stype light-emitting device among second embodiment.
Fig. 6 is the profile of zoom stype light-emitting device among the 3rd embodiment.
Fig. 7 is the profile of zoom stype light-emitting device among the 4th embodiment.
Fig. 8 is the profile of zoom stype light-emitting device among the 5th embodiment.
Fig. 9 is the profile of zoom stype light-emitting device among the 6th embodiment.
Figure 10 is the profile of zoom stype light-emitting device among the 7th embodiment.
Figure 11 is the profile of zoom stype light-emitting device among the 8th embodiment.
Figure 12 is the profile of zoom stype light-emitting device among the 9th embodiment.
The specific embodiment
For making the object of the invention, structure, characteristic and function thereof there are further understanding, cooperate embodiment to specify as follows now.
First embodiment
Figure 1A is the profile according to zoom stype light-emitting device among first embodiment.The zoom stype light-emitting device comprises light source module 102 and zoom module 104.Zoom module 104 is configured in a side of light source module 102.For instance, the space 106 between light source module 102 and the zoom module 104 can be the fluid of air or other different refractivity.
Please with reference to Figure 1A, light source module 102 comprises a plurality of semiconductor light emittings unit 108.Semiconductor light emitting unit 108 can be arranged on the first surface 112 of template radiator 110, getting rid of the heat energy that sheds from semiconductor light emitting unit 108 fast, efficiently, and the service life of improving semiconductor light emitting unit 108.Semiconductor light emitting unit 108 can comprise light emitting diode (LED), laser diode (LD) or Organic Light Emitting Diode (OLED).Semiconductor light emitting unit 108 can arranged in array mode.
Please with reference to Figure 1A, zoom module 104 comprises circuit board 114 and a plurality of liquid lens 116.Circuit board 114 has opposite first 118 and second surface 120.The substrate of circuit board 114 for example can comprise silicon, printed circuit board (PCB) (PCB) material, glass, pottery, epoxy resin FR5 or epoxy resin FR4.Liquid lens 116 can array mode be arranged on the first surface 118 of circuit board 114.
Please refer to Figure 1B to Fig. 1 D, its be among this first embodiment under different bias voltages the situation of liquid lens 116, for instance, liquid lens 116 can comprise first liquid 122 and second liquid 124, has insulating properties and electric conductivity respectively.Has liquid interface 123 between first liquid 122 and second liquid 124.The first lens electrode end 126 and the second lens electrode end 128 are separately positioned on the opposite side of liquid lens 116.According to being applied to the first lens electrode end 126 and the second lens electrode end, 128 different voltages with different size, can change the curvature of liquid interface 123, and, can change the angle after light penetrates according to the different curvature of liquid interface 123.
Please with reference to Figure 1A, solid transparent material layer 130 has a plurality of transparent material structures 132, is configured in the position of corresponding semiconductor light emitting unit 108 and liquid lens 116.In this embodiment, the transparent material structure 132 of solid transparent material layer 130 is the rectangular recess structure, and its recess is towards liquid lens 116, in order to ccontaining liquid lens 116.Profile, the size of transparent material structure 132 (rectangular recess structure) recess can be similar to liquid lens 116, so solid transparent material layer 130 can be designed to thin structure, miniaturization, the slimming of help realization zoom stype light-emitting device.In embodiment, transparent material structure 132 can be fitted with liquid lens 116 as far as possible, to reduce extra medium (for example air or other fluids) between the two.For instance, have first apart from S1 between the basal surface of transparent material structure 132 (rectangular recess structure) recess and the liquid lens 116, it can level off to zero.Solid transparent material layer 130 also can be used as protection liquid lens 116, and structural protections such as waterproof and dustproof or anticollision for example are provided.
In embodiment, circuit board 114 is the transparent circuitry plate, for example can be glass substrate, and the light that semiconductor light emitting unit 108 like this sends is directly injected corresponding liquid lens 116 after can passing circuit board 114.
Fig. 2 is the schematic top plan view of circuit board 114 with the liquid lens 116 of zoom stype light-emitting device among first embodiment, and wherein liquid lens 116 is arranged on the first surface 118 of circuit board 114.Circuit board 114 comprises plurality of electrodes circuit 134, and it can be electrically connected to drive circuit or control circuit (not shown in the diagram).In the electrode circuit 134 each is coupled to the first lens electrode end 126 and the second lens electrode end 128 of liquid lens 116 respectively to circuit.The different curvature of the liquid interface 123 of liquid lens 116 (Figure 1A to Fig. 1 D) is to provide different bias voltages to control by these electrode circuits 134.Liquid lens 116 is not limited to the matrix form shown in Fig. 2 and arranges, and in other embodiment, also can be that other modes of concentric-ring pattern or elliptic or the like are arranged.
Fig. 3 is the another kind of circuit board 114 of zoom stype light-emitting device among first embodiment and the schematic top plan view of liquid lens 116 layouts.Circuit board 114 comprises the plurality of circuits unit 136 of corresponding liquid lens 116, and wherein circuit unit 136 can be electrically connected to drive circuit or control circuit (not shown in the diagram).Each circuit unit 136 comprises the first scan line G1, the second scan line G2, the first data wire D1, the second data wire D2, first electric crystal 138, second electric crystal 140, first electric capacity 142 and second electric capacity 144.First electric crystal 138 has first gate, first source electrode and first drain.Second electric crystal 140 has second gate, second source electrode and second drain.First electric capacity 142 has the first relative capacitance electrode end and the second capacitance electrode end.Second electric capacity 144 has the 3rd relative capacitance electrode end and the 4th capacitance electrode end.First gate of first electric crystal 138 is coupled to first scan line.First source electrode of first electric crystal 138 is coupled to the first data wire D1.The first capacitance electrode end of first electric capacity 142 is coupled between first drain of the first lens electrode end 126 and first electric crystal 138 of liquid lens 116.The second capacitance electrode end system of first electric capacity 142 is coupled to public electrode 146.For instance, public electrode 146 can be ground connection.Second gate of second electric crystal 140 is coupled to the second scan line G2.Second source electrode of second electric crystal 140 is coupled to the second data wire D2.The 3rd capacitance electrode end of second electric capacity 144 is coupled between second drain of the second lens electrode end 128 and second electric crystal 140 of liquid lens 116.The 4th capacitance electrode end of second electric capacity 144 is coupled to public electrode 148.For instance, public electrode 148 can be ground connection.In an embodiment, the different curvature of the liquid interface 123 of liquid lens 116 (Figure 1A to Fig. 1 D) is that the sweep signal of data signal, the second scan line G2 of sweep signal, the first data wire D1 by the first scan line G1 of corresponding electrical circuits unit 136 generates different bias voltages with the data-signal of the second data wire D2 and controls.Liquid lens 116 is not limited to the matrix form shown in Fig. 3 and arranges, and in other embodiment, also can be that other array way such as concentric-ring pattern or elliptic are arranged.
In embodiment, Fig. 2 or circuit shown in Figure 3 can be electrically connected to microprocessor (not shown in the diagram).Microprocessor can have modulator (dimmer).Microprocessor can store a plurality of action commands in advance; For example light spread, concentrate, take back, take over, on the upper side, on the lower side, focus on 2.5 meters, focus on 2 meters or the like; Control the magnitude of voltage conversion of each liquid lens 116; In case after the selected specific action instruction of user, microprocessor is just directly read relevant voltage data, is implemented into the interlock circuit of each liquid lens 116.
Fig. 4 is the vertical view of semiconductor light emitting unit 108 and template radiator 110 among first embodiment.The first surface 112 of template radiator 110 is provided with electrode wires 150, and it is electrically connected to semiconductor light emitting unit 108 so that power supply to be provided.Be not limited to electrode wires shown in Figure 4 150 configurations on the template radiator 110, also can use other circuit design to be electrically connected to semiconductor light emitting unit 108.Semiconductor light emitting unit 108 is not limited to the matrix form shown in Fig. 4 and arranges, and in other embodiment, also can be that other array way such as concentric-ring pattern or elliptic are arranged.
Second embodiment
Fig. 5 is the profile of zoom stype light-emitting device among second embodiment.The difference of second embodiment and first embodiment is that the transparent material structure 232 of solid transparent material layer 230 has lens arrangement, and for example this lens arrangement is convex lens structures or concavees lens structure.In this embodiment, transparent material structure 232 is sphere concavees lens structures.In other embodiment, the transparent material structure 232 of solid transparent material layer 230 can be convex lens structures (not shown in the diagram), for example is spherical convex lens.Inject transparent material structure 232 from the light that liquid lens 116 penetrates, penetrate behind the refraction action via transparent material structure 232 then with lens arrangement.The transparent material structure 232 that use has the lens arrangement of optical design can change from liquid lens 116 irradiant ejaculation effects, and change the zoom stype light-emitting device go out light effect, the aberration or the like of for example preventing.In embodiment, transparent material structure 232 can be fitted with liquid lens 116 as far as possible, to reduce extra medium (for example air) between the two.
The 3rd embodiment
Fig. 6 is the profile of zoom stype light-emitting device among the 3rd embodiment.The difference of the 3rd embodiment and second embodiment is that the transparent material structure 332 of solid transparent material layer 330 is aspheric surface concavees lens structures.In other embodiment, for instance, the transparent material structure 332 of solid transparent material layer 330 can be aspheric surface convex lens structures (not shown in the diagram).
The 4th embodiment
Fig. 7 is the profile of zoom stype light-emitting device among the 4th embodiment.The difference of the 4th embodiment and first embodiment is that circuit board 414 has a plurality of perforation 452.Liquid lens 116 is arranged on perforation 452 positions corresponding to luminescence unit 108; For instance; The basal surface 156 of liquid lens 116 is essentially copline with the first surface 418 of circuit board 414, so that the light that sends from semiconductor light emitting unit 108 is directly injected corresponding liquid lens 116 after passing the perforation 452 of circuit board 414.Because the perforation 452 that light can pass circuit board 414, this routine circuit board 414 is not limited to use transparent substrate, and also can use general nontransparent circuit board.In an embodiment; For instance; In the electrode circuit 134 shown in Fig. 4 each can be passed the perforation 452 of the circuit board 414 shown in Fig. 7 to circuit and is electrically connected to the first lens electrode end 126 and the second lens electrode end 128 of liquid lens 116, generates different curvature with the liquid interface 123 of control liquid lens 116.
The 5th embodiment
Fig. 8 is the profile of zoom stype light-emitting device among the 5th embodiment.The difference of the 5th embodiment and the 4th embodiment is that the liquid lens 116 of part is embedded in the perforation 452 of circuit board 414 parts.In other words, the basal surface 156 of liquid lens 116 is between the first surface 418 and second surface 420 of circuit board 414.Because the liquid lens 116 of part is embedded in the perforation 452 of circuit board 414 parts, therefore, compare with the solid transparent material layer 130 among the 4th embodiment shown in Figure 7, what the thickness of solid transparent material layer 530 can design among this embodiment is thinner.In an embodiment; For instance; In the electrode circuit 134 shown in Fig. 4 each can be passed the perforation 452 of the circuit board 414 shown in Fig. 8 to circuit and is electrically connected to the first lens electrode end 126 and the second lens electrode end 128 of liquid lens 116, generates different curvature with the liquid interface 123 of control liquid lens 116.
The 6th embodiment
Fig. 9 is the profile of zoom stype light-emitting device among the 6th embodiment.The difference of the 6th embodiment and the 5th embodiment is; The liquid lens 116 of part equally also is embedded in the whole perforation 452 of circuit board 414; But in this embodiment, the basal surface 156 of liquid lens 116 is essentially copline with the second surface 420 of circuit board 414.Compare with the solid transparent material layer 530 among the 5th embodiment shown in Figure 8, what the thickness of solid transparent material layer 630 can design among this embodiment is thinner.
The 7th embodiment
Figure 10 is the profile of zoom stype light-emitting device among the 7th embodiment.The difference of the 7th embodiment and the 6th embodiment is; Whole liquid lens 116 is embedded in the whole perforation 452 of circuit board 414; Compare with the solid transparent material layer 630 among the 6th embodiment shown in Figure 9, what the thickness of solid transparent material layer 730 can design among this embodiment is thinner, for instance; Solid transparent material layer 730 is a slab construction, covers on the first surface 418 of liquid lens 116 and circuit board 414.In other embodiment, can be further with solid transparent material layer 730 together with liquid lens 116, be embedded in the lump in the whole perforation 452 of circuit board 414.
Can know by the 4th embodiment to the seven embodiment; Through liquid lens 116 in the position of the first surface 418 (the 4th embodiment shown in Figure 7) of circuit board 414 or be embedded in the different designs in the whole perforation 452 (Fig. 8 is to the 5th embodiment to the seven embodiment shown in Figure 10); Can let the thickness of solid transparent material layer 130,530,630,730 become thinner, more helpful for the microminiaturization or the slimming design of light-emitting device.
The 8th embodiment
Figure 11 is the profile of zoom stype light-emitting device among the 8th embodiment.The difference of the 8th embodiment and first embodiment is that solid transparent material layer 830 is configured on the second surface 820 of circuit board 814 with respect to first surface 818.The transparent material structure 832 of solid transparent material layer 830 is the rectangular recess structure, and its recess is towards semiconductor light emitting unit 108.Therefore, the light that sends from semiconductor light emitting unit 108 is injected circuit board 814 after can passing the corresponding transparent material structure 832 (rectangular recess structure) of solid transparent material layer 830, injects corresponding liquid lens 116 backs again and penetrates.In embodiment; Transparent material structure 832 can be fitted with semiconductor light emitting unit 108 and template radiator 110 liquid as far as possible; To reduce additional space 854 each other, wherein the space 854 between light source module 102 and the zoom module 804 possibly be the fluid of air or other different refractivity.For instance, the basal surface and the semiconductor light emitting unit 108 of transparent material structure 832 (rectangular recess structure) recess have a second distance S2, and it can level off to zero.
The 9th embodiment
Figure 12 is the profile of zoom stype light-emitting device among the 9th embodiment.The difference of the 9th embodiment and the 8th embodiment is that circuit board 914 has a plurality of perforation 952.Liquid lens 116 is arranged on perforation 952 positions one to one, so that the light that sends from semiconductor light emitting unit 108 passes solid transparent material layer 130, and injects corresponding liquid lens 116 after passing the perforation 952 of circuit board 914.Because the perforation 952 that light can pass circuit board 116, this routine circuit board 914 is not limited to use transparent substrate, also can use general nontransparent circuit board.In this embodiment; For instance; In the electrode circuit 134 shown in Fig. 4 each can be passed the perforation 952 of circuit board shown in Figure 12 914 to circuit and is electrically connected to the first lens electrode end 126 and the second lens electrode end 128 of liquid lens 116, generates different curvature with the liquid interface 123 of control liquid lens 116.
Utilize varifocal light-emitting device of the present invention, not only can reach the function that changes illumination zone and light angle, also more help miniaturization, the slimming of whole device on volume simultaneously.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that the embodiment that has disclosed does not limit scope of the present invention.On the contrary, change and retouching not breaking away from the spirit and scope of the present invention to be done all belong to scope of patent protection of the present invention.
Claims (11)
1. zoom stype light-emitting device is characterized in that comprising:
The light source module comprises a plurality of semiconductor light emittings unit; And
The zoom module is configured in a side of this light source module, and this zoom module comprises a circuit board and is arranged on a plurality of liquid lens on this circuit board;
Wherein, This liquid lens comprises first liquid and second liquid, has a liquid interface between this first liquid and this second liquid, this liquid lens and the corresponding setting in this semiconductor light emitting unit; This liquid lens produces the curvature of this different liquid interface by this circuit board applies the difference of voltage; The light that sends from this semiconductor light emitting unit is injected this corresponding liquid lens, and according to the curvature of this liquid interface, changes the angle after this light penetrates this liquid lens.
2. zoom stype light-emitting device as claimed in claim 1 is characterized in that this zoom module more comprises a solid transparent material layer, is configured on the first surface of this circuit board, or is configured on the second surface of this circuit board with respect to this first surface.
3. zoom stype light-emitting device as claimed in claim 2, the base material that it is characterized in that this solid transparent material layer is processed by any one or multiple combination in the materials such as Merlon, polymethyl methacrylate, polyethylene terephthalate, Triafol T, polystyrene, polypropylene, polyethylene, polyvinyl chloride, Merlon and polyurethane.
4. zoom stype light-emitting device as claimed in claim 2; It is characterized in that this solid transparent material layer has a plurality of transparent material structures; Be configured in should a plurality of semiconductor light emittings unit and the position of this a plurality of liquid lens, wherein this transparent material structure employing rectangular recess structure, concavees lens structure or convex lens structures.
5. zoom stype light-emitting device as claimed in claim 4; It is characterized in that this transparent material structure is the rectangular recess structure and is configured in this circuit board on this first surface of this liquid lens; The recess of this rectangular recess structure is towards this liquid lens, and has one first distance between the basal surface of this rectangular recess structure and this liquid lens.
6. zoom stype light-emitting device as claimed in claim 4; It is characterized in that this transparent material structure is on rectangular recess structure and this second surface that is configured in this circuit board; The recess of this rectangular recess structure is towards this semiconductor light emitting unit, and has a second distance between the basal surface of this rectangular recess structure and this semiconductor light emitting unit.
7. zoom stype light-emitting device as claimed in claim 1 is characterized in that this circuit board is the transparent circuitry plate with plurality of electrodes circuit, so that the light that sends from this semiconductor light emitting unit is injected this corresponding liquid lens after passing this circuit board.
8. zoom stype light-emitting device as claimed in claim 1; It is characterized in that this circuit board has a plurality of perforation and plurality of electrodes circuit; This liquid lens is arranged on this punch position and is electrically connected this electrode circuit, so that the light that sends from this semiconductor light emitting unit is injected this corresponding liquid lens after passing this perforation of this circuit board.
9. zoom stype light-emitting device as claimed in claim 1; It is characterized in that this light source module more comprises a template radiator; This semiconductor light emitting unit is arranged on the first surface of this template radiator, and provides power supply to be arranged on this first surface of this template radiator to the electrode wires of this semiconductor light emitting unit.
10. zoom stype light-emitting device as claimed in claim 1; It is characterized in that this liquid lens has the first lens electrode end and the second lens electrode end that is oppositely arranged; This circuit board comprises the plurality of electrodes circuit; A pair of system in those electrode circuits distinctly is coupled to this first lens electrode end and this second lens electrode end, and the change of this liquid interface curvature of this liquid lens is to provide different bias voltages to control by this electrode circuit.
11. like 1 described zoom stype light-emitting device of claim the; It is characterized in that this liquid lens has the first lens electrode end and the second lens electrode end that is oppositely arranged; This circuit board comprises that this circuit unit comprises to plurality of circuits unit that should a plurality of liquid lens:
First scan line;
First data wire;
First electric crystal has first gate, first source electrode and first drain, and wherein this first gate is coupled to this first scan line, and this first source electrode is coupled to this first data wire;
First electric capacity has the first relative capacitance electrode end and the second capacitance electrode end, and wherein this first capacitance electrode end is coupled between this first lens electrode end and this first drain, and this second capacitance electrode is coupled to a public electrode;
Second scan line;
Second data wire;
Second electric crystal has second gate, second source electrode and second drain, and wherein this second gate is coupled to this second scan line, and this second source electrode is coupled to this second data wire; And
Second electric capacity has the 3rd relative capacitance electrode end and the 4th capacitance electrode end, and wherein the 3rd capacitance electrode end is coupled between this second lens electrode end and this second drain, and the 4th capacitance electrode end is coupled to this public electrode,
Wherein, the change of this liquid interface curvature of this liquid lens is that the sweep signal by this first scan line of correspondence, the data-signal of this first data wire, the sweep signal of this second scan line are controlled with the different bias voltages that data-signal produced of this second data wire.
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| CN2012102875649A CN102809103A (en) | 2012-08-13 | 2012-08-13 | Variable-focus light emitting device |
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Application publication date: 20121205 |