CN104121493A - Light-emitting device - Google Patents
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- CN104121493A CN104121493A CN201310147033.4A CN201310147033A CN104121493A CN 104121493 A CN104121493 A CN 104121493A CN 201310147033 A CN201310147033 A CN 201310147033A CN 104121493 A CN104121493 A CN 104121493A
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Abstract
The invention provides a light-emitting device. The light-emitting device comprises a light-emitting diode module and a rotatable wavelength conversion structure. The light-emitting diode module comprises a substrate and a plurality of light-emitting diode chips. The light-emitting diode chips are arranged on the substrate and respectively comprise a light outlet surface. The rotatable wavelength conversion structure is arranged on the light-emitting diode module and comprises a plurality of wavelength conversion blocks which are in at least two different colors. Each light-emitting diode chip at least corresponds to one wavelength conversion block. The wavelength conversion blocks are arranged on the light outlet surfaces of the light-emitting diode chips. The rotatable wavelength conversion structure rotates relative to the light-emitting diode module so that the wavelength conversion blocks corresponding to the light-emitting diode chips can be changed.
Description
Technical field
The invention relates to a kind of light-emitting device, and particularly relevant for a kind of, using the light-emitting device of light-emitting diode chip for backlight unit as light source.
Background technology
Recently luminosity and the luminous efficiency due to light emitting diode promotes constantly, so have gradually light emitting diode to be used as lighting use, and start there is LED lamp source in (as bulb, street lamp, flashlight etc.) or relevant lighting apparatus is developed.Yet no matter be current conventional Electricity-saving lamp bulb or light emitting diode lighting equipment, its light providing all presents only fixing colour temperature, cause that user's is very inconvenient.
Generally speaking, the white light source of high color temperature is conventionally adapted at workplace or needs the occasion of accurate identification thing color to use, and the white light source of low colour temperature is adapted at living environment and uses, to build warm atmosphere.So be engaged in different things or in various situation occasion, just need the light of different-colour to coordinate, and the fixing light emitting diode lighting equipment of colour temperature cannot meet this demand at present.
Summary of the invention
The invention provides a kind of light-emitting device, it can rotate to change colour temperature with respect to light-emitting diode (LED) module by rotatable Wavelength transformational structure.
Light-emitting device of the present invention, it comprises a light-emitting diode (LED) module and a rotatable Wavelength transformational structure.Light-emitting diode (LED) module comprises a substrate and a plurality of light-emitting diode chip for backlight unit.Light-emitting diode chip for backlight unit is disposed on substrate, and each light-emitting diode chip for backlight unit has an exiting surface.Rotatable Wavelength transformational structure is disposed on light-emitting diode (LED) module and has a plurality of wavelength conversion blocks, and wavelength conversion block has at least two kinds of different colours.At least corresponding wavelength conversion of each light-emitting diode chip for backlight unit block.Wavelength conversion block is disposed on the exiting surface of light-emitting diode chip for backlight unit.Rotatable Wavelength transformational structure is with respect to light-emitting diode (LED) module rotation, to change the corresponding wavelength conversion of light-emitting diode chip for backlight unit block.
In one embodiment of this invention, the substrate of above-mentioned light-emitting diode (LED) module and the conformal setting of rotatable Wavelength transformational structure, and the shape of substrate and rotatable Wavelength transformational structure comprises hollow and annular, circle or regular polygon.
In one embodiment of this invention, above-mentioned light-emitting device also comprises a lamp socket and a revolving part.Revolving part is fixed on lamp socket and with rotatable Wavelength transformational structure and is connected.Light-emitting diode (LED) module is fixed on lamp socket.
In one embodiment of this invention, above-mentioned revolving part has fixture and the rotating shaft being connected with rotatable wavelength Change-over knot that can be fixed on lamp socket, rotatable Wavelength transformational structure rotates with respect to fixture by rotating shaft, to drive the relative rotation of rotatable Wavelength transformational structure and light-emitting diode (LED) module.
In one embodiment of this invention, above-mentioned light-emitting diode chip for backlight unit is equidistantly and is arranged on substrate.
In one embodiment of this invention, above-mentioned light-emitting diode chip for backlight unit is a plurality of combinations of sending the light-emitting diode chip for backlight unit of different colours.
In one embodiment of this invention, above-mentioned light-emitting device, also comprises: a lamp socket and a lampshade.Lampshade is disposed on lamp socket and with lamp socket and defines an accommodation space.Light-emitting diode (LED) module and rotatable Wavelength transformational structure are disposed in accommodation space.Light-emitting diode (LED) module is fixed on lamp socket, and rotatable Wavelength transformational structure is fixed on lampshade.
In one embodiment of this invention, above-mentioned lamp socket has one first location division, lampshade has one second location division, lamp socket and lampshade by the first location division with respect to the second rotation location, location division, to drive the relative rotation of rotatable Wavelength transformational structure and light-emitting diode (LED) module.
In one embodiment of this invention, above-mentioned lampshade is a leaded light lampshade, and leaded light lampshade has the joint face of an inner surface, an outer surface and a connection inner surface and outer surface, and the curvature of inner surface is greater than the curvature of outer surface.
In one embodiment of this invention, above-mentioned light-emitting device also comprises a reflectance coating, is disposed on the inner surface of leaded light lampshade.
In one embodiment of this invention, above-mentioned light-emitting device also comprises a reflecting layer, be disposed on the inner surface of leaded light lampshade, wherein reflecting layer has a plurality of reflective particles, and the density of reflective particle in reflecting layer is increased progressively towards the direction away from joint face gradually by joint face.
Based on above-mentioned, because rotatable Wavelength transformational structure of the present invention can rotate with respect to light-emitting diode (LED) module, to change the corresponding wavelength conversion of light-emitting diode chip for backlight unit block, therefore light-emitting device of the present invention is except providing the light of different-colour, also be suitable for being widely used in various occasions, can improve the ease of use of light-emitting device of the present invention.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is depicted as the schematic perspective view of a kind of light-emitting device of one embodiment of the invention;
Fig. 2 is depicted as the schematic perspective view of a kind of light-emitting device of another embodiment of the present invention;
Fig. 3 A is depicted as the schematic perspective view of a kind of light-emitting device of one embodiment of the invention;
Fig. 3 B is depicted as along the generalized section of the line A-A ' of Fig. 3 A;
Fig. 4 is depicted as the generalized section of a kind of light-emitting device of another embodiment of the present invention;
Fig. 5 is depicted as the generalized section of a kind of light-emitting device of another embodiment of the present invention;
Fig. 6 is depicted as the generalized section of a kind of light-emitting device of an embodiment more of the present invention;
Fig. 7 is depicted as the generalized section of a kind of light-emitting device of an embodiment more of the present invention.
Description of reference numerals:
100a, 100b, 100c, 100d, 100e, 100f, 100g: light-emitting device;
110a, 110b: light-emitting diode (LED) module;
112a, 112b: substrate;
114a, 114b: light-emitting diode chip for backlight unit;
115a, 115b: exiting surface;
120a, 120b: rotatable Wavelength transformational structure;
122a, 124a, 122b, 124b, 126b: wavelength conversion block;
130c, 130d, 130e: lamp socket;
141c: revolving part;
142c: rotating shaft;
143c: fixture;
132d, 132e: the first location division;
140d, 140e: lampshade;
142d, 142e: the second location division;
144e: inner surface;
146e: outer surface;
148e: joint face;
150: reflectance coating;
160: reflecting layer;
162: reflective particle;
S: accommodation space.
The specific embodiment
Fig. 1 is depicted as the schematic perspective view of a kind of light-emitting device of one embodiment of the invention.Please refer to Fig. 1, in the present embodiment, light-emitting device 100a comprises a light-emitting diode (LED) module 110a and a rotatable Wavelength transformational structure 120a.Specifically, light-emitting diode (LED) module 110a comprises a substrate 112a and a plurality of light-emitting diode chip for backlight unit 114a.It is upper that light-emitting diode chip for backlight unit 114a is disposed at substrate 112a, and each light-emitting diode chip for backlight unit 114a has an exiting surface 115a.It is upper and have shown in a plurality of wavelength conversion block 122a, 124a(Fig. 1 two that rotatable Wavelength transformational structure 120a is disposed at light-emitting diode (LED) module 110a), and wavelength conversion block 122a, 124a have at least two kinds of different colours.At least corresponding wavelength conversion block 122a(of each light-emitting diode chip for backlight unit 114a or 124a).Wavelength conversion block 122a, 124a are disposed on the exiting surface 115a of light-emitting diode chip for backlight unit 114a.Particularly, rotatable Wavelength transformational structure 120a is with respect to light-emitting diode (LED) module 110a rotation, to change the corresponding wavelength conversion of light-emitting diode chip for backlight unit 114a block 122a, 124a.
More particularly, the substrate 112a of the light-emitting diode (LED) module 110a of the present embodiment and the conformal setting of rotatable Wavelength transformational structure 120a, substrate 112a has identical profile with rotatable Wavelength transformational structure 120a.As shown in Figure 1, the shape of substrate 112a and rotatable Wavelength transformational structure 120a is for example hollow and annular.In the present embodiment, the color of wavelength conversion block 122a, 124a only has two kinds, the color of its medium wavelength transition zone piece 122a, 124a be for example selected from green, yellow, redness, blue at least wherein two.Light-emitting diode chip for backlight unit 114a is that to be equidistantly arranged in substrate 112a upper, and each light-emitting diode chip for backlight unit 114a can corresponding wavelength conversion block 122a(or 124a).Herein, light-emitting diode chip for backlight unit 114a, for sending the combination of light-emitting diode chip for backlight unit of the light of different colours, also can, optionally for adopting the light-emitting diode chip for backlight unit of same color, not be limited at this.
Because the rotatable Wavelength transformational structure 120a of the present embodiment can be with respect to light-emitting diode (LED) module 110a rotation, to change corresponding light-emitting diode chip for backlight unit 114a.; the light that light-emitting diode chip for backlight unit 114a sends is through the wavelength conversion block 122a of different colours, the exciting light that 124a can produce different colours; therefore by the mode of the rotatable Wavelength transformational structure 120a of rotation, change the corresponding wavelength conversion of light-emitting diode chip for backlight unit 114a block 122a, 124a to produce the exciting light of different colours.
For instance, the light-emitting diode chip for backlight unit 114a of a part can be a blue led chips, and its corresponding wavelength conversion block 122a is for example a yellow wavelengths conversion block; The light-emitting diode chip for backlight unit 114a of another part also can be a green LED chip, and its corresponding wavelength conversion block 124a is for example a red wavelength conversion block, and the light of this kind of combination output is with making us experiencing partially warm colour temperature.As the rotatable Wavelength transformational structure 120a of rotation, so that when light-emitting diode chip for backlight unit 114a its corresponding wavelength conversion block 122a and 124a exchange, generation is made us experiencing colder colour temperature.Therefore, the light-emitting device 100a of the present embodiment be except providing the light of different-colour, and for example brightness or drill colour index, also can adjust for different demands, be suitable for being widely used in various occasions, can improve the ease of use of the light-emitting device 100a of the present embodiment.
It is worth mentioning that, the present invention does not limit profile, each wavelength conversion block 122a(or 124a of substrate 112a and rotatable Wavelength transformational structure 120a) number of corresponding light-emitting diode chip for backlight unit 114a and block number and the number of colours of wavelength conversion block 122a, 124a.In other embodiments, please refer to Fig. 2, it is a regular polygon that the substrate 112b of the light-emitting diode (LED) module 110b of light-emitting device 100b and the profile of rotatable Wavelength transformational structure 120b can be, for example, be square.Rotatable Wavelength transformational structure 120b has nine wavelength conversion block 122b, 124b, the 126b of three kinds of different colours, and wherein the wavelength of different colours conversion block 122b, 124b, 126b are arranged alternately.The corresponding wavelength conversion block 122b(of each light-emitting diode chip for backlight unit 114b or 124b, 126b), and configuration wavelength in the exiting surface 115b of light-emitting diode chip for backlight unit 114b top is changed block 122b, 124b, 126b.The above-mentioned adoptable technical scheme of the present invention that still belongs to, does not depart from the scope that institute of the present invention wish is protected.
In addition, in other unshowned embodiment, those skilled in the art is when adjusting substrate 112a, 112b and the profile of rotatable Wavelength transformational structure 120a, 120b, block number, number of colours and the corresponding light-emitting diode chip for backlight unit 114a of wavelength conversion block (as 122a, 124a, 122b, 124b, 126b), the number of 114b according to actual demand, to reach required technique effect, repeat no longer one by one herein.
At this, should be noted that, following embodiment continues to use element numbers and the partial content of previous embodiment, wherein adopts identical label to represent identical or approximate element, and has omitted the explanation of constructed content.Explanation about clipped can be with reference to previous embodiment, and it is no longer repeated for following embodiment.
Fig. 3 A is depicted as the schematic perspective view of a kind of light-emitting device of one embodiment of the invention, and Fig. 3 B is depicted as along the generalized section of the line A-A ' of Fig. 3 A.For convenience of description, the element in Fig. 3 A has part to show with perspective exploded view.Please refer to Fig. 3 A and Fig. 3 B, the light-emitting device 100c of the present embodiment is similar to the light-emitting device 100a of Fig. 1, and only the two Main Differences part is: the light-emitting device 100c of the present embodiment also comprises a lamp socket 130c and a revolving part 141c.Light-emitting diode (LED) module 110a is fixed on lamp socket 130c above and is electrically connected with the actuator (not shown) in lamp socket 130c.Revolving part 141c is fixed on lamp socket 130c above and is connected with rotatable Wavelength transformational structure 120a.In more detail, revolving part 141c has a fixture 143c and a rotating shaft 142c.Revolving part 141c utilizes fixture 143c to be fixed on lamp socket 130c.Revolving part 141c utilizes rotating shaft 142c to be connected with rotatable Wavelength transformational structure 120a.Wherein, rotating shaft 142c is for example a rotatable swivel mount.Herein, light-emitting diode (LED) module 110a, fixture 143c and rotatable Wavelength transformational structure 120a can be respectively mode by screw locking, magnetic absorption, structure buckle or bonding be fixed on lamp socket 130c, lamp socket 130c and rotating shaft 142c is upper, at this, do not limited.Particularly, because the fixture 143c of revolving part 141c is fixed on lamp socket 130c, rotatable Wavelength transformational structure 120a is by the rotating shaft 142c of revolving part 141c, by being for example the mode of the rotatable Wavelength transformational structure 120a of switch, to drive the relative rotation of rotatable Wavelength transformational structure 120a and light-emitting diode (LED) module 110a, can change by this light color that goes out of light-emitting device 100c.Therefore, the light-emitting device 100c of the present embodiment is except providing the light of different-colour, also can adjust for brightness or the different demands of drilling colour index, be suitable for being widely used in various occasions, can improve the ease of use of the light-emitting device 100c of the present embodiment.
Fig. 4 is depicted as the generalized section of a kind of light-emitting device of another embodiment of the present invention.Please refer to Fig. 4, the light-emitting device 100d of the present embodiment is similar to the light-emitting device 100a of Fig. 1, and only the two Main Differences part is: the light-emitting device 100d of the present embodiment also comprises a lamp socket 130d and a lampshade 140d.Specifically, lampshade 140d is disposed at lamp socket 130d above and defines an accommodation space S with lamp socket 130d.Light-emitting diode (LED) module 110a and rotatable Wavelength transformational structure 120a are disposed in accommodation space S.Light-emitting diode (LED) module 110a is fixed on lamp socket 130d above and is electrically connected with the actuator (not shown) in lamp socket 130d, and rotatable Wavelength transformational structure 120a is fixed on lampshade 140d.Herein, light-emitting diode (LED) module 110a and rotatable Wavelength transformational structure 120a can be respectively mode by screw locking, magnetic absorption, structure buckle or bonding be fixed on lamp socket 130d and lampshade 140d is upper, at this, do not limited.Particularly, lamp socket 130d has one first location division 132d, lampshade 140d has one second location division 142d, and lamp socket 130d and lampshade 140d by the first location division 132d with respect to the second location division 142d rotation location, to drive the relative rotation of rotatable Wavelength transformational structure 120a and light-emitting diode (LED) module 110a.; a first location division 132d can match with a second location division 142d, and by the mode of rotation, can change the second location division 142d originally coordinating with the first location division 132d; or, can change the first location division 132d originally coordinating with the second location division 142d.
Herein, as shown in Figure 4, light-emitting device 110d is for example a Down lamp, and lampshade 140d is a barrel-shaped lampshade, and the first location division 132d is draw-in groove, and the second location division 142d is fixture block.But the present invention does not limit the form of lampshade 140d, the first location division 132d and the second location division 142d.In other unshowned embodiment, light-emitting device 110d also can be a bulb or a candle-light lamp, and lampshade 140d also can be a parabola body lampshade or a spheroid lampshade, can be also that the second location division 142d is draw-in groove, and the first location division 132d is fixture block; Or the first location division 132d and the second location division 142d also lock by screw or the mode such as magnetic absorption is fixed, and still belong to the adoptable technical scheme of the present invention, do not depart from the scope of institute of the present invention wish protection.
Because lamp socket 130d and the lampshade 140d of the present embodiment can rotate with respect to the second location division 142d by the first location division 132d, to drive the relative rotation of rotatable Wavelength transformational structure 120a and light-emitting diode (LED) module 110a, can change by this light color that goes out of light-emitting device 100d.Therefore, the light-emitting device 100d of the present embodiment is except providing the light of different-colour, also can adjust for brightness or the different demands of drilling colour index, be suitable for being widely used in various occasions, can improve the ease of use of the light-emitting device 100d of the present embodiment.
Fig. 5 is depicted as the generalized section of a kind of light-emitting device of another embodiment of the present invention.Please refer to Fig. 5, the light-emitting device 100e of the present embodiment is similar to the light-emitting device 100d of Fig. 4, only the two Main Differences part is: the lampshade 140e of the light-emitting device 100e of the present embodiment is a leaded light lampshade, and wherein leaded light lampshade has the joint face 148e that an inner surface 144e, an outer surface 146e and connect inner surface 144e and outer surface 146e.Particularly, the curvature of inner surface 144e is greater than the curvature of outer surface 146e.Herein, as shown in Figure 5, the profile of lampshade 140e is a spheroid, and lampshade 140e is a spheroid lampshade.
Because lamp socket 130e and the lampshade 140e of the present embodiment can rotate with respect to the second location division 142e by the first location division 132e, to drive the relative rotation of rotatable Wavelength transformational structure 120a and light-emitting diode (LED) module 110a, can change by this light color that goes out of light-emitting device 100e.Therefore, the light-emitting device 100e of the present embodiment is except providing the light of different-colour, also can adjust for brightness or the different demands of drilling colour index, be suitable for being widely used in various occasions, can improve the ease of use of the light-emitting device 100e of the present embodiment.Moreover because the lampshade 140e of the light-emitting device 100e of the present embodiment has light-guiding function, and the curvature of the inner surface 144e of lampshade 140e is greater than the curvature of outer surface 146e.Therefore, the light that light-emitting diode (LED) module 110a sends can be difficult for concentrating on positive apparent direction, i.e. homogenising by the design of lampshade 140e.Therefore the light-emitting device 100e of the present embodiment can have preferably outgoing light homogeneity, thereby avoid the problem of dazzle.In addition, the light that light-emitting diode (LED) module 110a sends can pass through the light guide effect of lampshade 140e, and makes integrated illuminating device 100e have larger lighting angle (being all-round angle) compared to existing light-emitting device.Herein, as shown in Figure 5, light-emitting device 100e is for example a bulb; in other unshowned embodiment; light-emitting device 100e also can be a Down lamp, a down lamp or a candle-light lamp, still belongs to the adoptable technical scheme of the present invention, does not depart from the scope of institute of the present invention wish protection.
Fig. 6 is depicted as the generalized section of a kind of light-emitting device of an embodiment more of the present invention.Please refer to Fig. 6, the light-emitting device 100f of the present embodiment is similar to the light-emitting device 100e of Fig. 5, only the two Main Differences part is: the light-emitting device 100f of the present embodiment also comprises a reflectance coating 150, and wherein reflectance coating 150 is disposed on the inner surface 144e of lampshade 140e.Herein, as shown in Figure 6, reflectance coating 150 is one to have the diaphragm of uniform thickness, and the conformal setting of inner surface 144e of reflectance coating 150 and lampshade 140e.That is, the curvature of reflectance coating 150 is identical in fact with the curvature of inner surface 144e.Because the light-emitting device 100f of the present embodiment has reflectance coating 150, so the light that light-emitting diode (LED) module 110a sends can pass through the reflection efficiency of reflectance coating 150, increases outgoing light homogeneity and the light extraction efficiency of integrated illuminating device 100f.
Fig. 7 is depicted as the generalized section of a kind of light-emitting device of an embodiment more of the present invention.Please refer to Fig. 7, the light-emitting device 100g of the present embodiment is similar to the light-emitting device 100e of Fig. 5, only the two Main Differences part is: the light-emitting device 100g of the present embodiment also comprises a reflecting layer 160, wherein reflecting layer 160 be disposed at the inner surface 144e of lampshade 140e upper and with the conformal setting of inner surface 144e.Herein, reflecting layer 160 is one to have the rete of uniform thickness, and the curvature in reflecting layer 160 is identical in fact with the curvature of inner surface 144e.Particularly, the reflecting layer 160 of the present embodiment has a plurality of reflective particles 162, and the density of reflective particle 162 in reflecting layer 160 is increased progressively towards the direction away from joint face 148e gradually by joint face 148e.Because the light-emitting device 100g of the present embodiment has reflecting layer 160, so the light that light-emitting diode (LED) module 110a sends can pass through the reflection efficiency of reflective particle 162, increases outgoing light homogeneity and the light extraction efficiency of integrated illuminating device 100g.
In addition, in other unshowned embodiment, also can be selected to lamp socket 130c, 130d, 130e, lampshade 140d, 140e, reflectance coating 150 or reflecting layer 160 as mentioned in previous embodiment, those skilled in the art works as can be with reference to the explanation of previous embodiment, according to actual demand, and select aforementioned components, to reach required technique effect.
In sum, because rotatable Wavelength transformational structure of the present invention can rotate with respect to light-emitting diode (LED) module, to change the corresponding wavelength conversion of light-emitting diode chip for backlight unit block, therefore light-emitting device of the present invention is except providing the light of different-colour, also can adjust for brightness or the different demands of drilling colour index, be suitable for being widely used in various occasions, can improve the ease of use of light-emitting device of the present invention.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a light-emitting device, is characterized in that, comprising:
One light-emitting diode (LED) module, comprises;
One substrate; And
A plurality of light-emitting diode chip for backlight unit, are disposed on this substrate, and respectively this light-emitting diode chip for backlight unit has an exiting surface; And
One rotatable Wavelength transformational structure, be disposed on this light-emitting diode (LED) module and there are a plurality of wavelength conversion blocks, and those wavelength conversion blocks have at least two kinds of different colours, wherein respectively at least corresponding this wavelength of this light-emitting diode chip for backlight unit is changed block, and those wavelength conversion blocks are disposed on those exiting surfaces of those light-emitting diode chip for backlight unit, this rotatable Wavelength transformational structure is with respect to this light-emitting diode (LED) module rotation, to change corresponding those wavelength conversion blocks of those light-emitting diode chip for backlight unit.
2. light-emitting device according to claim 1, it is characterized in that, this substrate of this light-emitting diode (LED) module and the conformal setting of this rotatable Wavelength transformational structure, and the shape of this substrate and this rotatable Wavelength transformational structure comprises hollow and annular, circle or regular polygon.
3. light-emitting device according to claim 1, is characterized in that, also comprises:
One lamp socket; And
One revolving part, is fixed on this lamp socket and with this rotatable Wavelength transformational structure and is connected, and this light-emitting diode (LED) module is fixed on this lamp socket.
4. light-emitting device according to claim 3, it is characterized in that, this revolving part has fixture and the rotating shaft being connected with this rotatable Wavelength transformational structure that can be fixed on this lamp socket, this rotatable Wavelength transformational structure rotates with respect to this fixture by this rotating shaft, to drive the relative rotation of this rotatable Wavelength transformational structure and this light-emitting diode (LED) module.
5. light-emitting device according to claim 1, is characterized in that, those light-emitting diode chip for backlight unit are and are equidistantly arranged on this substrate.
6. light-emitting device according to claim 1, is characterized in that, those light-emitting diode chip for backlight unit are a plurality of combinations of sending the light-emitting diode chip for backlight unit of different colours.
7. light-emitting device according to claim 1, is characterized in that, also comprises:
One lamp socket; And
One lampshade, be disposed on this lamp socket and with this lamp socket and define an accommodation space, wherein this light-emitting diode (LED) module and this rotatable Wavelength transformational structure are disposed in this accommodation space, and this light-emitting diode (LED) module is fixed on this lamp socket, and this rotatable Wavelength transformational structure is fixed on this lampshade.
8. light-emitting device according to claim 7, it is characterized in that, this lamp socket has one first location division, this lampshade has one second location division, this lamp socket and this lampshade by this first location division with respect to rotation location, this second location division, to drive the relative rotation of this rotatable Wavelength transformational structure and this light-emitting diode (LED) module.
9. light-emitting device according to claim 7, it is characterized in that, this lampshade is a leaded light lampshade, and this leaded light lampshade has the joint face of an inner surface, an outer surface and this inner surface of connection and this outer surface, and the curvature of this inner surface is greater than the curvature of this outer surface.
10. light-emitting device according to claim 9, is characterized in that, also comprises a reflectance coating, is disposed on this inner surface of this leaded light lampshade.
11. light-emitting devices according to claim 9, it is characterized in that, also comprise a reflecting layer, be disposed on this inner surface of this leaded light lampshade, wherein this reflecting layer has a plurality of reflective particles, and the density of those reflective particles in this reflecting layer is increased progressively towards the direction away from this joint face gradually by this joint face.
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| CN201310147033.4A CN104121493A (en) | 2013-04-25 | 2013-04-25 | Light-emitting device |
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| CN201310147033.4A CN104121493A (en) | 2013-04-25 | 2013-04-25 | Light-emitting device |
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| CN109870873A (en) * | 2017-12-05 | 2019-06-11 | 青岛海信激光显示股份有限公司 | A kind of Wavelength converter, light supply apparatus and optical projection system |
| CN111077667A (en) * | 2018-10-22 | 2020-04-28 | 中强光电股份有限公司 | Wavelength conversion module, method for forming wavelength conversion module, and projection apparatus |
| WO2023202718A1 (en) * | 2022-04-23 | 2023-10-26 | 刘锋 | Lighting apparatus having self-luminous outer casing surface |
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