CN108345161A - A kind of light conversion element, light-source system and display device - Google Patents

A kind of light conversion element, light-source system and display device Download PDF

Info

Publication number
CN108345161A
CN108345161A CN201710053442.6A CN201710053442A CN108345161A CN 108345161 A CN108345161 A CN 108345161A CN 201710053442 A CN201710053442 A CN 201710053442A CN 108345161 A CN108345161 A CN 108345161A
Authority
CN
China
Prior art keywords
light
extraction region
luminescence unit
conversion
recovery zone
Prior art date
Application number
CN201710053442.6A
Other languages
Chinese (zh)
Inventor
胡飞
郭祖强
李屹
Original Assignee
深圳市光峰光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市光峰光电技术有限公司 filed Critical 深圳市光峰光电技术有限公司
Priority to CN201710053442.6A priority Critical patent/CN108345161A/en
Publication of CN108345161A publication Critical patent/CN108345161A/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2033LED or laser light sources
    • G03B21/204LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2066Reflectors in illumination beam

Abstract

The invention discloses a kind of light conversion element, light-source system and display devices.Wherein, light conversion element includes incident area, luminescence unit, reflector space, light extraction region and light recovery zone, incident area, luminescence unit, reflector space and light extraction region are enclosed a space structure, and reflector space is arranged around luminescence unit, wherein:Incident area is used for incident exciting light;Luminescence unit is used to receive incident exciting light to generate stimulated light;Reflector space is for reflexing to light extraction region by least partly stimulated light and will not reflex to luminescence unit by the exciting light that luminescence unit absorbs;Light extraction region is for being emitted at least partly stimulated light;Light recovery zone is for reflecting the exciting light and/or stimulated light for being incident to light recovery zone.By the above-mentioned means, the utilization rate for improving light while the present invention can reduce the volume of product, reduce cost is highlighted with realizing.

Description

A kind of light conversion element, light-source system and display device

Technical field

The present invention relates to display technology fields, more particularly to a kind of light conversion element, light-source system and display device.

Background technology

In existing projection light source, in addition to using light bulb and pure laser, as light source, also a kind of more prevalence is also wide Welcome light source technology:Using the fluorescent powder color wheel or the fixed phosphor sheet of excitation of excitation rotation, to generate Sequential light or white light outgoing.

In above-mentioned technology, the colour wheel of laser excitation rotation or the LASER Excited Fluorescence powder technology of the fixed phosphor sheet of excitation Brightness is improved compared to existing LED solid state light emitters or light bulb, image display effect lower compared to pure laser light source cost Fruit is more preferable.With the raising of the requirement of display, which also encounters unprecedented problem, a side Face, when which is used in the portable equipments such as micro- throwing, bulky problem will be unable to overcome;On the other hand, the light efficiency of the light source is not Enough height, if further increasing light efficiency, need to increase new component, certainly will increase the volume and cost of light source in this way;Furthermore If in the case where not increasing new element, by increasing current or voltage, this will be a pole to the service life of solid state light emitter Big test.

Invention content

The invention mainly solves the technical problem of providing a kind of light conversion element, light-source system and display devices, can contract The volume of miscellaneous goods, the utilization rate that light is improved while reduce cost are highlighted with realizing.

In order to solve the above technical problems, one aspect of the present invention is:A kind of light conversion element is provided, the light Conversion element includes incident area, luminescence unit, reflector space, light extraction region and light recovery zone, the incident area, described Luminescence unit, the reflector space and the light extraction region are enclosed a space structure, and the reflector space surrounds institute State luminescence unit setting;Wherein:

Incident area is used for incident exciting light;

Luminescence unit is used to receive incident exciting light to generate stimulated light;

Reflector space is for reflexing to light extraction region and will not absorbed by the luminescence unit at least partly described stimulated light Exciting light reflex to the luminescence unit;

Light extraction region is for being emitted at least partly described stimulated light;

Light recovery zone is for reflecting the exciting light and/or stimulated light for being incident to the smooth recovery zone.

Wherein, dichroic element is set on incident area, for selectively transmiting the exciting light, and reflect it is described by Laser.

Wherein, the length-width ratio in light extraction region and the length-width ratio of projection screen match.

Wherein, the length-width ratio in light extraction region is 4:3 or 16:9.

Wherein, light extraction region is square, and the light extraction region and the smooth recovery zone are generally aligned in the same plane and light recycles Region is connected with the edge in light extraction region.

Wherein, light extraction region be ball coronal-plane or paraboloid, the smooth recovery zone along the light extraction region circumferential direction Setting;

Wherein, the light conversion element further includes:

The side in the light extraction region is arranged in luminous lens, for gathering to the emergent light being emitted from the light extraction region Light.

Wherein, light recovery zone is ball coronal-plane or paraboloid, the incident area of the light conversion element, luminescence unit and The light extraction region is located at the sphere center position of the ball coronal-plane or the paraboloidal focal position;

It is provided with transmission region on the smooth recovery zone.

Wherein, luminescence unit uses the fluorescence ceramics or composite ceramic material of pure phase.

In order to solve the above technical problems, another technical solution used in the present invention is:A kind of light-source system is provided, the light Source system includes:

Light source, for sending out exciting light;

Even optical element, for carrying out even light to the exciting light;

Light conversion element, for receiving the exciting light after even light and generating stimulated light comprising previously described light conversion element;

Gathering element, the stimulated light for receiving the light conversion element outgoing.

Wherein, light-source system further includes:

Radiating piece, for radiating to the light source.

In order to solve the above technical problems, another technical solution that the present invention uses is:A kind of display device is provided, this is aobvious Showing device includes light-source system as previously described.

The beneficial effects of the invention are as follows:The case where being different from the prior art, a kind of light conversion element of present invention offer, light source System and display device, the light conversion element include incident area, luminescence unit, reflector space, light extraction region and light recycling Region, incident area, luminescence unit, reflector space and light extraction region are enclosed a space structure, and reflector space surrounds Luminescence unit is arranged.Wherein, incident area is used for incident exciting light, luminescence unit be used to receive incident exciting light with generate by Laser, the exciting light that reflector space is used to that at least partly stimulated light to be reflexed to light extraction region and will not absorbed by luminescence unit Luminescence unit is reflexed to, light extraction region is incident to light recycling for being emitted at least partly stimulated light, light recovery zone for reflecting The exciting light and/or stimulated light in region.Therefore, the profit of light is improved while the present invention can reduce the volume of product, reduce cost It is highlighted with rate with realizing.

Description of the drawings

Fig. 1 is a kind of structural schematic diagram of light-source system provided in an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of light source and radiating piece;

Fig. 3 is a kind of structural schematic diagram of light conversion element provided in an embodiment of the present invention;

Fig. 4 is the structural schematic diagram of another light conversion element provided in an embodiment of the present invention;

Fig. 5 is the structural schematic diagram of another light conversion element provided in an embodiment of the present invention;

Fig. 6 is the structural schematic diagram of another light conversion element provided in an embodiment of the present invention;

Fig. 7 is the index path of light conversion element provided in an embodiment of the present invention.

Specific implementation mode

Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of light-source system provided in an embodiment of the present invention.As shown in Figure 1, The light-source system 10 of the present embodiment includes radiating piece 1, light source 2, even optical element 3, light conversion element 4 and gathering element 5.

Wherein, light source 2 is for sending out exciting light.In the present embodiment, light source 2 is preferably solid state light emitter.Light source 2 is laser Light source and/or LED light source.Wherein, laser light source can be the form of single laser, or the shape of laser array Formula.Similarly, LED light source can be single led form, or the form of LED array.Light source 2 can also be other light Source, this is not restricted.

Radiating piece 1 is for radiating to light source 2.Specifically, the light source 2 of the present embodiment is preferably square structure, packet Include smooth surface 21, the two sides 22 adjacent with light-emitting surface 21 and 23 and the side 24 opposite with light-emitting surface 21.Wherein, light-emitting surface 21 area is less than the area of side 22 and 23.In the present embodiment, it is preferred that side 23 is fixed on radiating piece 1, in this way can be with The contact area for increasing light source 2 and radiating piece 1, to contribute to the heat dissipation of light source 2.

In the present embodiment, radiating piece 1 is preferably heat-conducting plate.Further, can also be arranged in the side of heat-conducting plate 11 Radiate gear piece 12.As shown in Figure 2.The heat that light source 2 generates is transmitted to by heat-conducting plate 11 on heat dissipation gear piece 12, and radiate gear piece 12 It transfers heat in outside air.In addition, heat pipe can also be arranged on heat dissipation gear piece 12, partial heat is passed by heat pipe It is delivered to the external world.

Even optical element 3 is used to carry out even light to the exciting light that light source 2 is sent out.In the present embodiment, even optical element 3 can be even Optical wand, fly's-eye lens or fly's-eye lens pair.Wherein, the shape of optical tunnel can be taper or rectangular, the exit face of optical tunnel Specific shape is can be set as, it can also be circle that each lens unit of fly's-eye lens, which can be rectangular,.

Light after even light enters light conversion element 4.Shown in Fig. 3, light conversion element 4 includes incident area 41, luminescence unit 44, reflector space 45, light extraction region 43 and light recovery zone 42.

Incident area 41, luminescence unit 44, reflector space 45, light extraction region 43 and light recovery zone 42 are enclosed Between structure, and reflector space 45 around luminescence unit 44 be arranged.

Wherein, incident area 41 is used for incident exciting light, that is, receives by the light after even 3 even light of optical element.Hair Light unit 44 is arranged in the inside of light conversion element 4, for receiving incident exciting light to generate stimulated light.Reflector space 45 is used In at least partly stimulated light is reflexed to light extraction region 43 and is not reflexed to by the exciting light that luminescence unit 44 absorbs luminous Unit 44.Reflector space 45 is arranged between incident area 41 and exit area 43, and on the side wall of light conversion element 4. Reflector space 45 can be that the materials such as silver, aluminium oxide are coated on light conversion element 4.

Light extraction region 43 is for being emitted at least partly stimulated light.Light recovery zone 42 is incident to the light recycling for reflecting The exciting light and/or stimulated light in region so that the stimulated light after the reflection of the reflector space from the light extraction region Outgoing, the exciting light are emitted by the stimulated light that luminescence unit conversion generates from the light extraction region, i.e. reflection is incident To light recovery zone exciting light and/or stimulated light to recycle exciting light and/or stimulated light.Specifically, light recovery zone 42 The light of reflection includes following three kinds:

The first:Reflect stimulated light.That is, by 44 transformed stimulated light of luminescence unit not all from light extraction region 43 Outgoing, but have in portions incident to light recovery zone 42.At this point, the incident partially-excited light is sent out in light recovery zone 42 It penetrates, is re-used with recycling.

Second:Reflected excitation light.That is, from the incident exciting light of incident area 41 not all by luminescence unit 44 Stimulated light is converted to, such as a part of exciting light transmits between luminescence unit 44 and reflector space 45, the exciting light of the part It is incident in light recovery zone 42, this recovery zone 42 is reflected the exciting light of the part in time, is re-used with recycling.

The third:Reflected excitation light and stimulated light.This kind of situation is combined with the first previously described situation and second That is, there is the stimulated light not being emitted from light extraction region 43 and light be not incident on by the exciting light that luminescence unit 44 is converted and return in kind situation It receives in region 42, those exciting lights and stimulated light are reflected recycling by light recovery zone 42 together.

Gathering element 5 is used to receive the stimulated light of the outgoing of light conversion element 4.Gathering element 5 is preferably collecting lens group.

Therefore, the light-source system of the embodiment of the present invention by light recovery zone 42 is set collect incident exciting light and/ Or stimulated light so that incident exciting light and/or stimulated light can be reflected back 44 inside of luminescence unit and be utilized again.It is not required to Increase other elements, the utilization rate of light is improved while so as to reduce the volume of product, reduce cost to realize high brightness Display.

In the present embodiment, dichroic element 411 is set on incident area 41, for selectively transmiting exciting light, and it is anti- Penetrate stimulated light.I.e. dichroic element 411 plays the role of an optical filtering.In the present embodiment, dichroic element 411 is from color and angle Two aspects of degree filter.

First, color filter is that dichroic element 411 is set to only permit the light of particular color to pass through, and reflects other face The light of color, such as only blue light is allowed to pass through, the light reflection of other colors, it is possible thereby to carry out color to the light that light source 2 is sent out Selection.

Secondly, it is that dichroic element 411 is set to only permit the light of special angle to pass through, and reflects other angles that angle, which filters, The light of degree.The angle that the light that light source 2 is sent out is utilized in this is different with the angle of the stimulated light formed after luminescence unit 44 Feature.For example, when light source 2 is laser light source, the angle of the laser sent out can be approximated to be zero degree, and pass through luminescence unit 44 The stimulated light formed afterwards is divergent state, and angle is larger.Therefore, the present embodiment is arranged angled in dichroic element 411 Reflecting layer, the light for transmiting low-angle are selected, and reflects the light of wide-angle, the excitation that can be thus sent out with transmitted light source 2 Light, and reflect and pass through 44 transformed stimulated light of luminescence unit.Angle Selection reflecting layer can be optical filter or filter coating.More Body, when angle Selection reflecting layer is filter coating, dichroic element 411 can be the film of transmission excitation light reflection stimulated light, It can be the film of other light of transmission excitation light reflection.The light that light source 2 is sent out as a result, can be by dichroic element 411, and from light Recovery zone 42, which reflects, to be again passed by the stimulated light of luminescence unit 44 and can further be reflected by dichroic element 411.To The loss that light can be reduced ensures the utilization rate of light.

In the present embodiment, luminescence unit 44 is the ceramic body that stimulated light is generated arbitrarily under the excitation of exciting light.Preferably, Luminescence unit 44 using pure phase fluorescence ceramics or composite ceramic material, and be there is the solid-state element of specific shape, such as Cuboid, square or sphere etc..Can be specifically various oxide ceramics, nitride when it is the fluorescence ceramics of pure phase Ceramics or nitrogen oxide ceramic, by mixing micro activator element during ceramic system is standby, such as lanthanide series forms hair Light center.

When luminescence unit 44 is composite ceramic material, using transparent or semitransparent ceramics as matrix, in ceramic base Luminescent ceramic particle, such as fluorescent powder grain are dispersed in matter.Transparent or semitransparent ceramic substrate can be various oxide ceramics, Such as aluminium oxide ceramics and Y3Al5O12Ceramics can also be nitride ceramics, such as aluminium nitride ceramics, can also be that nitrogen oxides is made pottery Porcelain.

In addition, ceramic substrate can also be that the fluorescence ceramics of pure phase, i.e. ceramic substrate itself have activator, can swash Stimulated light is sent out under luminous irradiation.

Wherein, the fluorescent powder of luminescence unit 44 can be that green emitting phosphor and red fluorescence powder mix, or yellow Fluorescent powder can also be the fluorescent powder of subregion setting, wherein the not fluorescent powder of same district setting different colours.

In the present embodiment, light conversion element 4 is preferably shaped to cuboid or square so that the plating of incident area 41 etc. Film is simpler.

In the present embodiment, the length-width ratio in light extraction region 43 and the length-width ratio of projection screen match.More specifically, output optical zone The length-width ratio in domain 43 is preferably 4:3 or 16:9.Can make in this way the stimulated light of outgoing length and wide and projection screen length and Wide ratio matches, so that the uniformity of light is more preferable, light efficiency higher.

Wherein, light extraction region 43 is square, light extraction region 43 and light recovery zone 42 is generally aligned in the same plane and light recovery area Domain 42 is connected with the edge in light extraction region 43.

In the present embodiment, incident area 41 and light extraction region 43 can be positioned at any positions of light conversion element 4.Such as Fig. 3 Shown, light conversion element 4 is the cube in six faces, and be arranged in light conversion element 4 two of incident area 41 and light extraction region 43 are right On side.And light recovery zone 42 is located at light extraction region 43 on the same side, and light extraction region 43 is arranged in the side Center, light recovery zone 42 are arranged around light extraction region 43.Luminescence unit 44 is arranged in light conversion element 4 Portion.Reflector space 45 is preferably provided between light recovery zone 42 and light extraction region 43, and is arranged around luminescence unit 44.

In other embodiments, incident area 41 and light extraction region 43 can also be provided on two adjacent sides, such as Fig. 4 It is shown.So as to improve the number of reflection of the light in luminescence unit 44 so that the light of outgoing evenly, and effectively light more It is more, improve brightness.

In other embodiments, incident area 41 and light extraction region 43 can be also arranged on the same side.Work as incident area 41 and light extraction region 43 be arranged on same side, and when having overlapping region, overlapping region transmits visible light.

By described previously, light recovery zone 42 and light extraction region 43 are to be generally aligned in the same plane setting.More specifically, same In a plane, light recovery zone 42 is provided in the reflecting layer of the position other than light extraction region 43, and reflecting layer is using silver, aluminium oxide Equal materials.

Described in brought forward, the present invention is recycled the stimulated light not being emitted to utilize again by light recovery zone 42, is improved The utilization rate of light, to improve the brightness of light-source system 10.

Referring to Fig. 5, Fig. 5 is the structural schematic diagram of another light conversion element provided in an embodiment of the present invention.Such as Fig. 5 institutes Show, the light conversion element 50 of the present embodiment includes still that incident area 51, light extraction region 53, luminescence unit 54 and light recycling are single Member 52.Wherein, the light conversion element 50 of the present embodiment and previously described light conversion element 4 the difference is that:This implementation The light extraction region 53 of the light conversion element 50 of example is ball coronal-plane or paraboloid, and light recovery zone 52 is arranged in ball coronal-plane or throwing The position that light extraction region 53 is not set of object plane.Since light extraction region 53 is along the circumferentially disposed of light extraction region 53, light returns Receiving the light that region 52 is reflected can assemble to the centre of sphere of ball coronal-plane or paraboloidal focal position, i.e., can concentrate reflect back into it is luminous In unit 54, therefore the present embodiment can save reflector space 45 as shown in Figure 3 and Figure 4.

Further, the light conversion element 50 of the present embodiment further includes luminous lens 56.It is arranged in light extraction region 53 Side, for carrying out optically focused to the stimulated light being emitted from light extraction region 53.So that more being dissipated from what light extraction region 53 was emitted Stimulated light forms the directional light of aggregation, to improve the utilization rate of light.

Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another light conversion element provided in an embodiment of the present invention.Such as Fig. 6 institutes Show, the light conversion element 60 of the present embodiment includes still incident area 61, exit area 63, luminescence unit 64, light recovery unit 62 and reflector space 65.Wherein, the difference of the light conversion element 60 and previously described light conversion element 4 of the present embodiment It is:The light extraction region 63 and light recovery zone 62 of the light conversion element 60 of the present embodiment are arranged on two different faces.

And light recovery zone 62 is ball coronal-plane or paraboloid.Incident area 61, luminescence unit 64, light extraction region 63 with And reflector space 65 is located at the sphere center position of ball coronal-plane or paraboloidal focal position.

Transmission region 66 is provided on light recovery zone 62, transmission region 66 is arranged at ball coronal-plane or paraboloidal center Position, light recovery zone 62 are arranged in ball coronal-plane or the paraboloidal position that transmission region 66 is not arranged.Transmission region 66 can Think through-hole or is made of translucent material.

Light extraction region 63 is located at the side of spherical crown surface or paraboloidal concave surface, and the light of 63 wide-angle of light extraction region is returned back out by light Light region 62 is reflected, and the light of low-angle is emitted from transmission region 66.Specific index path is as shown in Figure 7.

The embodiment of the present invention additionally provides a kind of display device, display device include above light-source system.Wherein, it shows Showing device is micro- throwing, laser television and intelligent education machine etc..

In conclusion the present invention can reach the display of high brightness using lower cost.

Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (11)

1. a kind of light conversion element, which is characterized in that the light conversion element include incident area, luminescence unit, reflector space, Light extraction region and light recovery zone, the incident area, the luminescence unit, the reflector space and the light extraction region are enclosed It closes and forms a space structure, and the reflector space is arranged around the luminescence unit;Wherein:
The incident area is used for incident exciting light;
The luminescence unit is used to receive incident exciting light to generate stimulated light;
The reflector space is used to that at least partly described stimulated light to be reflexed to the light extraction region and will not shone by described The exciting light that unit absorbs reflexes to the luminescence unit;
The light extraction region is for being emitted at least partly described stimulated light;
The smooth recovery zone is for reflecting the exciting light and/or stimulated light for being incident to the smooth recovery zone.
2. light conversion element according to claim 1, which is characterized in that dichroic element is set on the incident area, For selectively transmiting the exciting light, and reflect the stimulated light.
3. light conversion element according to claim 1, which is characterized in that the length-width ratio and projection screen in the light extraction region Length-width ratio match.
4. light conversion element according to claim 3, which is characterized in that the length-width ratio in the light extraction region is 4:3 or 16: 9。
5. light conversion element according to claim 3, which is characterized in that the light extraction region is square, the output optical zone Domain and the smooth recovery zone are generally aligned in the same plane and the smooth recovery zone is connected with the edge in the light extraction region.
6. light conversion element according to claim 3, which is characterized in that the light extraction region is ball coronal-plane or parabolic Face, the smooth recovery zone are circumferentially disposed along the light extraction region;
Wherein, the light conversion element further includes:
The side in the light extraction region is arranged in luminous lens, for gathering to the stimulated light being emitted from the light extraction region Light.
7. light conversion element according to claim 3, which is characterized in that the smooth recovery zone is ball coronal-plane or parabolic Face, incident area, luminescence unit, reflector space and the light extraction region of the light conversion element are located at the ball coronal-plane Sphere center position or the paraboloidal focal position;
It is provided with transmission region on the smooth recovery zone.
8. light conversion element according to claim 1, which is characterized in that the luminescence unit uses the fluorescence ceramics of pure phase Or composite ceramic material.
9. a kind of light-source system, which is characterized in that the light-source system includes:
Light source, for sending out exciting light;
Even optical element, for carrying out even light to the exciting light;
Light conversion element, for receiving the exciting light after even light and generating stimulated light, the light conversion element is claim 1-8 Any one of them light conversion element;
Gathering element, the stimulated light for receiving the light conversion element outgoing.
10. light-source system according to claim 9, which is characterized in that the light-source system further includes:
Radiating piece, for radiating to the light source.
11. a kind of display device, which is characterized in that the display device includes the light-source system as described in claim 9-10.
CN201710053442.6A 2017-01-22 2017-01-22 A kind of light conversion element, light-source system and display device CN108345161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710053442.6A CN108345161A (en) 2017-01-22 2017-01-22 A kind of light conversion element, light-source system and display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710053442.6A CN108345161A (en) 2017-01-22 2017-01-22 A kind of light conversion element, light-source system and display device
PCT/CN2017/090315 WO2018133328A1 (en) 2017-01-22 2017-06-27 Light conversion element, light source system and display device

Publications (1)

Publication Number Publication Date
CN108345161A true CN108345161A (en) 2018-07-31

Family

ID=62907988

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710053442.6A CN108345161A (en) 2017-01-22 2017-01-22 A kind of light conversion element, light-source system and display device

Country Status (2)

Country Link
CN (1) CN108345161A (en)
WO (1) WO2018133328A1 (en)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1128607A (en) * 1994-04-14 1996-08-07 菲利浦电子有限公司 Optical switch and transmitter and receiver for a multiplex transmission system including such a switch
JP3489984B2 (en) * 1997-12-24 2004-01-26 敏亮 中川 Lighting equipment
US20040233664A1 (en) * 2003-05-23 2004-11-25 Beeson Karl W. Illumination systems utilizing multiple wavelength light recycling
WO2006109232A2 (en) * 2005-04-11 2006-10-19 Koninklijke Philips Electronics N.V. Illuminators using reflective optics with recycling and color mixing
WO2006133214A2 (en) * 2005-06-07 2006-12-14 Optical Research Associates Phosphor wheel illuminator
WO2009092041A2 (en) * 2008-01-16 2009-07-23 Abu-Ageel Nayef M Illumination systems utilizing wavelength conversion materials
US7600882B1 (en) * 2009-01-20 2009-10-13 Lednovation, Inc. High efficiency incandescent bulb replacement lamp
US20110127557A1 (en) * 2009-12-02 2011-06-02 Abl Ip Holding Llc Light fixture using near uv solid state device and remote semiconductor nanophosphors to produce white light
US20120014089A1 (en) * 2004-09-29 2012-01-19 Apl Ip Holding Llc Lighting fixture using semiconductor coupled with a reflector having a reflective surface with a phosphor material
CN102869914A (en) * 2010-03-04 2013-01-09 吉可多公司 Efficient LED-based illumination modules with high color rendering index
US20130181243A1 (en) * 2012-01-17 2013-07-18 Nan Ya Photonics Inc. Solid State Lighting Device
WO2014053951A1 (en) * 2012-10-01 2014-04-10 Koninklijke Philips N.V. Wavelength converting element comprising ceramic capsule
CN104141923A (en) * 2013-05-09 2014-11-12 陶晓培 Converter for converting laser device into lighting device
KR20150037528A (en) * 2013-09-30 2015-04-08 서울반도체 주식회사 Lightting device
CN104566231A (en) * 2014-12-24 2015-04-29 杨毅 Wavelength conversion device and light-emitting device
CN204372823U (en) * 2014-12-24 2015-06-03 杨毅 Wavelength converter and light-emitting device
CN206515600U (en) * 2017-01-22 2017-09-22 深圳市光峰光电技术有限公司 A kind of light conversion element, light-source system and display device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010249976A (en) * 2009-04-14 2010-11-04 Seiko Epson Corp Display device and electronic equipment
EP2466375B1 (en) * 2010-12-17 2019-12-25 Maxell, Ltd. Light Source Apparatus
DE102011004574B4 (en) * 2011-02-23 2012-10-31 Osram Ag lighting device
CN102563410B (en) * 2011-12-04 2014-08-06 深圳市光峰光电技术有限公司 Light emitting device, projection device and lighting device
US9423680B2 (en) * 2013-07-23 2016-08-23 Seiko Epson Corporation Light source apparatus that irradiates a phosphor layer with excitation light and projector
CN104298060A (en) * 2014-10-15 2015-01-21 郭振扬 Light source module, light source device and light-emitting method
WO2016132706A1 (en) * 2015-02-20 2016-08-25 Ricoh Company, Ltd. Illumination device and image projection apparatus

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1128607A (en) * 1994-04-14 1996-08-07 菲利浦电子有限公司 Optical switch and transmitter and receiver for a multiplex transmission system including such a switch
JP3489984B2 (en) * 1997-12-24 2004-01-26 敏亮 中川 Lighting equipment
US20040233664A1 (en) * 2003-05-23 2004-11-25 Beeson Karl W. Illumination systems utilizing multiple wavelength light recycling
US20120014089A1 (en) * 2004-09-29 2012-01-19 Apl Ip Holding Llc Lighting fixture using semiconductor coupled with a reflector having a reflective surface with a phosphor material
WO2006109232A2 (en) * 2005-04-11 2006-10-19 Koninklijke Philips Electronics N.V. Illuminators using reflective optics with recycling and color mixing
WO2006133214A2 (en) * 2005-06-07 2006-12-14 Optical Research Associates Phosphor wheel illuminator
WO2009092041A2 (en) * 2008-01-16 2009-07-23 Abu-Ageel Nayef M Illumination systems utilizing wavelength conversion materials
US7600882B1 (en) * 2009-01-20 2009-10-13 Lednovation, Inc. High efficiency incandescent bulb replacement lamp
US20110127557A1 (en) * 2009-12-02 2011-06-02 Abl Ip Holding Llc Light fixture using near uv solid state device and remote semiconductor nanophosphors to produce white light
CN102869914A (en) * 2010-03-04 2013-01-09 吉可多公司 Efficient LED-based illumination modules with high color rendering index
US20130181243A1 (en) * 2012-01-17 2013-07-18 Nan Ya Photonics Inc. Solid State Lighting Device
WO2014053951A1 (en) * 2012-10-01 2014-04-10 Koninklijke Philips N.V. Wavelength converting element comprising ceramic capsule
CN104141923A (en) * 2013-05-09 2014-11-12 陶晓培 Converter for converting laser device into lighting device
KR20150037528A (en) * 2013-09-30 2015-04-08 서울반도체 주식회사 Lightting device
CN104566231A (en) * 2014-12-24 2015-04-29 杨毅 Wavelength conversion device and light-emitting device
CN204372823U (en) * 2014-12-24 2015-06-03 杨毅 Wavelength converter and light-emitting device
CN206515600U (en) * 2017-01-22 2017-09-22 深圳市光峰光电技术有限公司 A kind of light conversion element, light-source system and display device

Also Published As

Publication number Publication date
WO2018133328A1 (en) 2018-07-26

Similar Documents

Publication Publication Date Title
US20190258147A1 (en) Wavelength conversion device, light-emitting device and projection system
US9644803B2 (en) Light source and image projection apparatus
US20180080627A1 (en) Light sources system and projection device using the same
US8593580B2 (en) Projection-type display apparatus
US20180195689A1 (en) Light source employing a wavelength conversion device with a light introducing device and a light collecting device
US9447945B2 (en) Lighting source using solid state emitter and phosphor materials
CN103018864B (en) Fluorometer arrangement and its light-source system and projector equipment being applicable
CN104412159B (en) There is the luminaire of fluorescent material device and laser instrument
JP6510106B2 (en) Projection system and light emitting device thereof
JP2017201632A (en) Lighting device and projection device
US9587790B2 (en) Remote lumiphor solid state lighting devices with enhanced light extraction
CN101937164B (en) Light source unit and projector
JP6096937B2 (en) Light emitting device and related projection system
JP5671666B2 (en) Solid light source device and projection display device
CN104020634B (en) Lighting device with pump light source and at least two phosphor material wheels
CN106190116B (en) Green-emitting phosphor body particle and its manufacturing method, color conversion sheet, light emitting device and image display apparatus assembly
JP4242810B2 (en) Light guide member, lighting device, projector
US9069162B2 (en) Lighting device, method and light wavelength conversion wheel assembly for color tuning thereof
CN205539893U (en) Wavelength converters , light source system and projection arrangement
US7703945B2 (en) Efficient emitting LED package and method for efficiently emitting light
CN101539270B (en) Method for converting light wavelength with emission angle selectivity characteristic
US8593063B2 (en) White light emitting device
CN105204279B (en) Light-source system and projector equipment
CN1981157B (en) High efficiency light source using solid-state emitter and down-conversion material
JP2015170419A (en) Light source device and luminaire

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
CB02 Change of applicant information

Address after: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor.

Applicant after: Shenzhen Guangfeng Polytron Technologies Inc

Address before: 518000 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401

Applicant before: Shenzhen Appotronics Co., Ltd.

Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong.

Applicant after: Shenzhen Guangfeng Polytron Technologies Inc

Address before: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor.

Applicant before: Shenzhen Guangfeng Polytron Technologies Inc

CB02 Change of applicant information
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination