CN104993038B - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
- Publication number
- CN104993038B CN104993038B CN201510274161.4A CN201510274161A CN104993038B CN 104993038 B CN104993038 B CN 104993038B CN 201510274161 A CN201510274161 A CN 201510274161A CN 104993038 B CN104993038 B CN 104993038B
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- Prior art keywords
- light
- quantum dot
- emitting
- incidence surface
- transparent enclosure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/04—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
- H01L33/06—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/28—Materials of the light emitting region containing only elements of group II and group VI of the periodic system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of group III and group V of the periodic system
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of light-emitting device, including：Transparent enclosure device, including incidence surface and light-emitting surface, the surface of the incidence surface has scraggly micro-structure；Quantum dot is encapsulated in the transparent enclosure device；When exciting light irradiates the quantum dot from the incidence surface, the quantum dot light emitting is excited, and the light that the quantum dot is sent out is launched from the light-emitting surface.In this way, the different needs of different light sources be disclosure satisfy that.
Description
Technical field
The present invention relates to light emitting source technical field, more particularly to a kind of light-emitting device.
Background technology
Since quantum dot can pass through the irradiations such as external light source such as light emitting diode (Light Emitting Diode, LED)
The pure color light of high chroma is sent out with excitation quantum point, the characteristics of luminescence is considerably beyond the luminous spy of the fluorescent powder of LED backlight
Property, therefore, the quantum pipe for being packaged with quantum dot is widely applied in technical field of liquid crystal display.
At present, quantum pipe is typically to be formed quantum dot encapsulation using transparent material.However, existing quantum pipe is due to knot
Structure is single, and application scenarios are also relatively simple, it is impossible to meet the different needs of different light sources.
Invention content
The invention mainly solves the technical problem of providing a kind of light-emitting devices, disclosure satisfy that the different of many light sources need
It will.
In order to solve the above technical problems, one aspect of the present invention is：A kind of light-emitting device is provided, including：
Transparent enclosure device, including incidence surface and light-emitting surface, the surface of the incidence surface has scraggly micro- knot
Structure；
Quantum dot is encapsulated in the transparent enclosure device；
When exciting light irradiates the quantum dot from the incidence surface, the quantum dot light emitting, and the quantum dot are excited
The light sent out is launched from the light-emitting surface.
Wherein, the shape of the transparent enclosure device is polyhedron.
Wherein, the shape of the transparent enclosure device is hexahedron, and the quantum dot is encapsulated in the transparent enclosure device
Center, the incidence surface be the hexahedron in any one side.
Wherein, the shape of the transparent enclosure device is octahedron, and the incidence surface is longest edge institute in the octahedron
Corresponding face.
Wherein, the light-emitting surface is three faces opposite with the incidence surface.
Wherein, the light-emitting surface is convex surface, and the incidence surface is the face opposite with the convex surface, when the exciting light is from institute
When stating incidence surface and irradiating the quantum dot, light-ray condensing that the quantum dot is launched from the convex surface.
Wherein, the light-emitting surface is concave surface, and the incidence surface is the face opposite with the concave surface, when the exciting light is from institute
When stating incidence surface and irradiating the quantum dot, divergence of beam that the quantum dot is launched from the concave surface.
Wherein, the shape of the micro-structure is zigzag or arc.
Wherein, the zigzag or arc are continuous or are disposed on the surface of the incidence surface.
Wherein, mixing of the quantum dot for one or more of quantum dot of the diameter less than or equal to 10nm
Object.
The beneficial effects of the invention are as follows：It is different from the situation of the prior art, the transparent enclosure device of light-emitting device of the present invention
Incidence surface surface have scraggly micro-structure, when exciting light from incidence surface irradiation be encapsulated in the transparent enclosure device
Quantum dot when, excitation quantum point shines, and the light that quantum dot is sent out is launched from light-emitting surface.Due to transparent enclosure device
The surface of incidence surface has scraggly micro-structure, can make to form the hair of different light under its irradiation in different light sources
Effect is penetrated, therefore, it is possible to meet the different needs of many light sources.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of one embodiment of light-emitting device of the present invention.
Fig. 2 is the partial schematic diagram of one embodiment of micro-structure of transparent enclosure device incidence surface of the present invention.
Fig. 3 is the partial schematic diagram of another embodiment of micro-structure of transparent enclosure device incidence surface of the present invention.
Fig. 4 is the partial schematic diagram of the another embodiment of micro-structure of transparent enclosure device incidence surface of the present invention.
Fig. 5 is the partial schematic diagram of the another embodiment of micro-structure of transparent enclosure device incidence surface of the present invention.
Fig. 6 is the schematic cross-sectional view of another embodiment of light-emitting device of the present invention.
Fig. 7 is the schematic cross-sectional view of the another embodiment of light-emitting device of the present invention.
Fig. 8 is the schematic cross-sectional view of the another embodiment of light-emitting device of the present invention.
Specific embodiment
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 1 is the schematic cross-sectional view of an embodiment of light-emitting device of the present invention.The light-emitting device
100 include quantum dot 10 and transparent enclosure device 20.
Quantum dot 10 is encapsulated in the transparent enclosure device 20.The quantum dot is a kind of first by II-VI group or iii-v
The nano particle of element composition.The grain size of quantum dot, which is generally less than, is equal to 10nm, since electrons and holes are by quantum confinement, continuously
Band structure becomes the discrete energy level structure with molecular characterization, and fluorescence can be emitted after being excited.
Transparent enclosure device 20 includes incidence surface 22 and light-emitting surface 24, and the surface of the incidence surface 22 is with scraggly micro-
Structure 222.Wherein, incidence surface 22 refers to that the transparent enclosure device 20 connects when exciting light is radiated at the transparent enclosure device 20
Receive the surface of exciting light；Light-emitting surface 24 refers to that exciting light after incidence surface 22 enters in transparent enclosure device 20, irradiates quantum dot
10 and excitation quantum point 10 shine, the light emitting that quantum dot 10 is sent out goes out extraneous surface.
It is different from the situation of the prior art, the surface of the incidence surface of the transparent enclosure device of light-emitting device in present embodiment
With scraggly micro-structure, when exciting light is encapsulated in the quantum dot in the transparent enclosure device from incidence surface irradiation, swash
Quantum dot light emitting is sent out, and the light that quantum dot is sent out is launched from light-emitting surface.Due to the surface of the incidence surface of transparent enclosure device
With scraggly micro-structure, can make to form the launching effect of different light under its irradiation in different light sources, therefore,
It disclosure satisfy that the different needs of many light sources.Such as：The light-emitting device can be applied in custom liquid crystals display field, can also be answered
In each scene of daily decorative lighting；Furthermore, it is possible to by changing quantum dot, external light source is through the hair of the present invention
It also is able to improve colour gamut after electro-optical device, also be significantly improved using the backlight colour gamut formed afterwards in a display device, and then improve aobvious
The colour gamut of showing device makes its color presented more enrich gorgeous.
Further, referring to Fig. 2, in some embodiments, the shape of the micro-structure 222 is the sawtooth continuously set
Shape.In this way, when exciting light enters from incidence surface 22 in transparent enclosure device 20, since incidence surface has such shape
Micro-structure 222, divergence of beam can be made uniform, so that uniform light is allowed to be sufficiently irradiated with quantum dot 10 and excitation quantum point 10
It shines, so that the light that quantum dot 10 is sent out is gone out from 24 uniform emission of light-emitting surface of the transparent enclosure device 20.
Further, referring to Fig. 3, in order to different exciting lights be made to irradiate the incidence surface 22 to reach best light
The zigzag of the micro-structure 222 of the incidence surface 22 can be arranged at intervals by dissipating effect.Certainly, the micro-structure 222 of the incidence surface 22
Zigzag between spacing distance can be adjusted according to actual needs, to reach best divergence of beam effect.
It should be understood that referring to Fig. 4, in some other embodiment, the shape of the micro-structure 222 is continuous setting
Arc.Arc herein can be protrusion or the recessed shape for waiting circular arcs or elliptic arc.Arc in present embodiment is convex
The circular arc or the shape of elliptic arc gone out, by this design, when exciting light enters from incidence surface 22 in transparent enclosure device 20, by
There is the micro-structure 222 of such shape in incidence surface, light-ray condensing can be made, so that the light that quantum dot 10 is sent out is saturating from this
24 parallel launch of light-emitting surface of bright packaging system 20 goes out.
Further, referring to Fig. 5, in order to which exciting light is made to reach different spotlight effects after irradiating the incidence surface 22,
The arc of the micro-structure 222 of the incidence surface 22 can be arranged at intervals.Certainly, between the arc of the micro-structure 222 of the incidence surface 22
Spacing distance can be adjusted according to actual needs, to reach best different spotlight effects.
The shape of the transparent enclosure device 20 of the present invention does not limit, concretely such as faceted pebble body, hexahedron, octahedron
Polyhedral shape, also can be such as cylindric, semi-cylindrical, taper other can encapsulate any shape including quantum dot 10.
Specifically, referring to Fig. 1, in some embodiments, the shape of the transparent enclosure device 20 is hexahedron,
Its cross sectional shape is generally rectangular shaped.Quantum dot 10 is encapsulated in the center of transparent enclosure device 20.The transparent enclosure device 20
Top surface for incidence surface 22, top surface described herein is using Fig. 1 as reference, and the surface of the incidence surface 22 is with scraggly
Micro-structure 222.In practical applications, any one side can be used as incidence surface 22 in six faces of the transparent enclosure device 20.By
It is in hexahedron, and any one side can be used as incidence surface 22 in the shape of the transparent enclosure device 20, exciting light can irradiate the envelope
Any one side of assembling device 20 is shone with excitation quantum point 10, is applied in real work, easy to use, and this shape is easy to
It manufactures, suitable for promoting and applying.
Referring to Fig. 6, in some embodiments, the shape of the transparent enclosure device 20 is in octahedron.10 envelope of quantum dot
Mounted in the center of transparent enclosure device 20.The top surface of the transparent enclosure device 20 be incidence surface 22, top described herein
Face is using Fig. 2 as reference, the incidence surface 22 face corresponding to the longest edge of octahedral body section thus.The surface tool of the incidence surface 22
There is scraggly micro-structure 222.Three faces opposite for incidence surface 22 of light-emitting surface 24.Since the transparent enclosure device 20 is adopted
By the use of be face corresponding to the longest edge of octahedral body section as incidence surface 22, the light of exciting light can be received to the maximum extent,
More light is made to be irradiated to quantum dot 10 and more quantum dots 10 are excited to shine, and then obtain the light of more high brightness.And
And in a manner that light-emitting surface 24 is designed with 3 faces, the light that quantum dot 10 is sent out can be made to be sent out to the light-emitting surface 24 of different directions
It is shot out, so as to change light-emitting angle.
It should be understood that the number of the light-emitting surface 24 of the transparent enclosure device 20 is not limited to 3 in present embodiment
It is a, it may also set up the light-emitting surface 24 just like 4,5 etc. different numbers, the number of specific light-emitting surface 24 is according to actual needs and should
The shape of transparent enclosure device 20 determines.
Referring to Fig. 7, in some embodiments, the shape of the transparent enclosure device 20 is in semi-cylindrical.Quantum dot 10
It is encapsulated in the center of transparent enclosure device 20.The top surface of the transparent enclosure device 20 is incidence surface 22, described herein
Top surface is using Fig. 3 as reference.The surface of the incidence surface 22 has scraggly micro-structure 222.Light-emitting surface 24 is relative to entering
The convex surface of smooth surface 22.When exciting light irradiates quantum dot 10 from incidence surface 22, the light that quantum dot 10 is sent out emits and gathers from convex surface
Collect light.
Referring to Fig. 8, in some embodiments, the quantum dot 10 of the transparent enclosure device 20 is encapsulated in transparent enclosure dress
Put 20 center.The top surface of the transparent enclosure device is incidence surface 22, and top surface described herein is using Fig. 4 as reference.
The surface of the incidence surface 22 has scraggly micro-structure 222.Light-emitting surface 24 is the concave surface relative to incidence surface 22.Work as excitation
Light from incidence surface 22 irradiate quantum dot 10 when, light that quantum dot 10 is sent out is from concave surface transmitting and divergent rays.
It should be understood that the quantum dot 10 is not limited to be encapsulated in the center position of the transparent enclosure device 20,
It may be provided at the close incidence surface 22 of the transparent enclosure device 20 or at the other positions such as light-emitting surface 24.
It should be understood that the material of the transparent enclosure device 20 can be transparent glass or transparent plastic.
It should be understood that the quantum dot being encapsulated in transparent enclosure device 20 can be the quantum that diameter is less than or equal to 10nm
The mixture of one or more of point, the quantum dot of different-diameter can make transparent envelope when same exciting light irradiates
Assembling device 20 shows the light of different colours.
It is different from the situation of the prior art, the shape of the transparent enclosure device of the light-emitting device in present embodiment can be set
For a variety of different shapes such as polyhedron, in this way, change light-emitting angle, aggregation to respectively reach according to actual needs
Emit the various effects such as light, diverging transmitting light, make to form the transmitting effect of different light under its irradiation in different light sources
Fruit.In addition, by the way that the quantum dot of different-diameter is encapsulated in the transparent enclosure device, the energy under the irradiation of same exciting light
The transparent enclosure device is enough made to send out the light of different colours, is suitable as illumination and decoration use.
The foregoing is merely embodiments of the present invention, are not intended to limit the scope of the invention, every to utilize this
It is relevant to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field is included within the scope of the present invention.
Claims (4)
1. a kind of light-emitting device, which is characterized in that including：
Transparent enclosure device, including incidence surface and light-emitting surface, the surface of the incidence surface has scraggly micro-structure；
Quantum dot is encapsulated in the center of the transparent enclosure device；
When exciting light irradiates the quantum dot from the incidence surface, the quantum dot light emitting is excited, and the quantum dot is sent out
Light launch from the light-emitting surface；
The light-emitting surface is convex surface or concave surface, and incidence surface is the face opposite with the convex surface or concave surface, when the exciting light is from institute
When stating incidence surface and irradiating the quantum dot, light-ray condensing that the quantum dot is launched from the convex surface；Or the quantum dot from
The divergence of beam that the concave surface is launched；
The shape of the transparent enclosure device is octahedron, and the incidence surface is the face corresponding to longest edge in the octahedron,
The light-emitting surface is three faces opposite with the incidence surface.
2. light-emitting device according to claim 1, which is characterized in that the shape of the micro-structure is zigzag or arc.
3. light-emitting device according to claim 2, which is characterized in that the zigzag or arc are continuous or are disposed on
The surface of the incidence surface.
4. light-emitting device according to claim 1, which is characterized in that the quantum dot is diameter less than or equal to 10nm's
The mixture of one or more of quantum dot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274161.4A CN104993038B (en) | 2015-05-26 | 2015-05-26 | Light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274161.4A CN104993038B (en) | 2015-05-26 | 2015-05-26 | Light-emitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104993038A CN104993038A (en) | 2015-10-21 |
| CN104993038B true CN104993038B (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274161.4A Active CN104993038B (en) | 2015-05-26 | 2015-05-26 | Light-emitting device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518072A (en) * | 2013-09-29 | 2015-04-15 | 展晶科技(深圳)有限公司 | Light emitting diode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001182A1 (en) * | 2005-06-30 | 2007-01-04 | 3M Innovative Properties Company | Structured phosphor tape article |
| US8362507B2 (en) * | 2010-11-01 | 2013-01-29 | Tyco Electronics Corporation | Optic assembly utilizing quantum dots |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518072A (en) * | 2013-09-29 | 2015-04-15 | 展晶科技(深圳)有限公司 | Light emitting diode |
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| Publication number | Publication date |
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| CN104993038A (en) | 2015-10-21 |
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