CN109581799A - Light source equipment and electronic equipment - Google Patents
Light source equipment and electronic equipment Download PDFInfo
- Publication number
- CN109581799A CN109581799A CN201910096213.1A CN201910096213A CN109581799A CN 109581799 A CN109581799 A CN 109581799A CN 201910096213 A CN201910096213 A CN 201910096213A CN 109581799 A CN109581799 A CN 109581799A
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- China
- Prior art keywords
- light source
- light
- terrace
- plane
- wavelength converter
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of light source equipment and electronic equipment, is related to field of laser illumination.Specifically, comprising: substrate, M light source assembly, more terrace with edge light guides and Wavelength converter；More terrace with edge light guides and M light source assembly are all set on substrate, and more terrace with edge light guides include: N number of guide-lighting side, the first plane close to substrate, the second plane far from substrate, and wherein M, N are the integer greater than 2；Wavelength converter is set on substrate, and more terrace with edge light guides are set on Wavelength converter and the first plane of more terrace with edge light guides connects with Wavelength converter；The emergent ray of light source assembly propagates to the guide-lighting side and is transmitted through in more terrace with edge light guides, and it is incident in Wavelength converter through the first plane, the light for not being wavelength-converted device absorption wherein projects together with the exciting light that Wavelength converter generates through more terrace with edge light guides, and by second plane.Compared with the existing technology, the loss for reducing light, improves light-source brightness.
Description
Technical field
The present invention relates to technical field of laser illumination, in particular to a kind of light source equipment and electronic equipment.
Background technique
Laser display is the next-generation display technology after white and black displays, colored display, number display.Laser display energy
Realize that tradition shows all advanced technology indexs achieved, such as large screen, high-resolution, digitlization, laser display needs
Using laser as light source.Compared to traditional technology, using laser as light source, have longer service life, lower power consumption,
The advantages such as broader gamut range, higher color saturation.And it is excellent that laser has, and energy density is high, etendue is small
Gesture is capable of providing the light source of high brightness and long-life, reduces the design difficulty of optical system.
Since single lasing fluorescence element power is smaller, therefore in order to reach due brightness, all swashed at present using semiconductor
The combination of optical diode (Laser Diode, LD) array is as laser light source.
But in the prior art, the light loss of laser light source is bigger, can reduce light-source brightness.
Summary of the invention
It is an object of the present invention in view of the deficiency of the prior art, a kind of light source equipment and electronic equipment are provided,
The problem of to reduce the light loss of laser light source, improve light-source brightness.
To achieve the above object, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of light source equipments, comprising:
Substrate, M light source assembly, more terrace with edge light guides and Wavelength converter；
More terrace with edge light guides and the M light source assemblies are all set on the substrate, more terrace with edge light guides
It include: N number of guide-lighting side, the first plane close to the substrate, the second plane far from the substrate, wherein M, N are big
In 2 integer；
The Wavelength converter is set on the substrate, and more terrace with edge light guides are set to the Wavelength converter
First plane of upper and described more terrace with edge light guides connects with the Wavelength converter；
The emergent ray of the light source assembly propagates to the guide-lighting side and is transmitted through in more terrace with edge light guides, and
It is incident in the Wavelength converter through the first plane, wherein the light not absorbed by the Wavelength converter and the wavelength
The exciting light that conversion equipment generates is projected together through more terrace with edge light guides by second plane.
Further, further includes: the first lens, first lens are opposite with the substrate；
The light by second planar exit propagates to the first lens transmission.
Further, the part not contacted with the Wavelength converter in first plane is impermeable optical plane.
Further, the substrate is equipped with groove；
The Wavelength converter is set in the groove.
Further, the Wavelength converter is fluorophor；
The fluorophor is micro-structure treated plane close to the plane of substrate, in the micro-structure treated plane
It is covered with silver coating；
The fluorophor carries out surface roughening treatment close to the plane of more terrace with edge light guides.
Further, the corresponding light source assembly quantity in each leaded light side is identical, wherein the light source assembly goes out
Light is penetrated to propagate on the corresponding guide-lighting side.
Further, the fluorophor is more terrace with edges, and more terrace with edges include N number of side.
Further, each light source assembly includes: laser diode LD light source, the second lens；
Second lens are set in the optical path of the LD light source emergent ray, and the emergent ray of the LD light source is through institute
The guide-lighting side is propagated to after stating the transmission of the second lens.
Further, the light source assembly further include: reflective mirror；
The reflective mirror is set to after second lens transmit in the optical path of transmitted light, the emergent ray of the LD light source
Transmitted light after second lens transmission propagates to the guide-lighting side after the mirror reflection.
Second aspect, the embodiment of the invention also provides a kind of electronic equipment, including described in above-mentioned any one of first aspect
Light source equipment.
The beneficial effects of the present invention are: by the way that more terrace with edge light guides are arranged, so that after light enters to inject more terrace with edge light guides,
Multiple reflections are carried out in more terrace with edge light guides, are improved light-source brightness, are reduced the light loss of laser light source.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the light source equipment schematic diagram that one embodiment of the application provides；
Fig. 2 is the light source equipment schematic diagram that another embodiment of the application provides；
Fig. 3 is the light source equipment schematic diagram that another embodiment of the application provides；
Fig. 4 is the light source equipment schematic diagram that another embodiment of the application provides；
Fig. 5 is the light source equipment schematic diagram that another embodiment of the application provides；
Fig. 6 is the light source equipment schematic diagram that another embodiment of the application provides；
Fig. 7 is the light path schematic diagram that one embodiment of the application provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
The application provides a kind of laser light source and electronic equipment, it is intended to which it is inadequate to solve light-source brightness in the prior art, light loss
Lose the problems such as big.
Fig. 1 is a kind of light source equipment schematic diagram provided by the present application, as shown in Figure 1, comprising:
Substrate 110, M light source assembly 120, more terrace with edge light guides 130 and Wavelength converter 150.
It should be noted that the substrate 110 in the application is heat-radiating substrate, in addition to various components to be placed, it is also necessary to complete
At the function of heat dissipation；The material of more terrace with edge light guides 130 is glass, and is solid light guide, selects solid glass for material, can
To trigger the total reflection of light, so that occurring inside more terrace with edge light guides 130 more after light enters in more terrace with edge light guides 130
Secondary refraction increases light-source brightness to improve the utilization rate of light.
Wherein, more terrace with edge light guides 130 and multiple light sources component 120 are all set on substrate 110, more terrace with edge light guides
130 include: N number of guide-lighting side 131, the first plane 132 close to substrate, the second plane 133 far from substrate, and wherein M, N are equal
For the integer greater than 2.
Optionally, the first plane 132 is the biggish plane of area in more terrace with edge light guides 130, and the second plane 133 is more ribs
The lesser plane of area in platform light guide 130.More terrace with edge light guides 130 in the present embodiment are positive terrace with edge light guide, each incline
Equal length, each leaded light side is isosceles trapezoid, and the height of each isosceles trapezoid is equal, but in specific embodiment, more
The selection of terrace with edge light guide 130 is not limited thereto.
Wherein, Wavelength converter 150 is set on substrate 110, and more terrace with edge light guides 130 are set to Wavelength converter 150
First plane 132 of upper and more terrace with edge light guides 130 connects with Wavelength converter 150.
Optionally, in one embodiment of the application, substrate 110, Wavelength converter 150 and more terrace with edge light guides 130 are same
Axis is placed, but specific modes of emplacement does not do any restrictions herein.
The emergent ray of light source assembly 120 propagates to guide-lighting side 131 and is transmitted through in more terrace with edge light guides 130, and passes through
First plane is incident in the Wavelength converter, wherein the light not absorbed by the Wavelength converter and the wavelength turn
The exciting light that changing device generates through more terrace with edge light guides, is projected together by the second plane 133.
In the present embodiment, by adding more terrace with edge light guides 130, so that light enters to inject from guide-lighting side more terrace with edges leaded lights
After in body 130, projected after multiple reflections, then from the second plane 133, due to light can be reflected in more terrace with edge light guides 130 it is more
It is secondary, it is possible to increase light-source brightness, reduce light loss.
Fig. 2 is the light source equipment schematic diagram that another embodiment of the application provides, as shown in Fig. 2, light source equipment further include:
First lens 140, the first lens 140 are opposite with substrate 110.It is propagated to by the light that the second plane 133 is emitted
The transmission of first lens 140.
It should be noted that the first lens 140 are collimation lens, which is that a kind of double free form surface collimations are saturating
Mirror, the collimation lens is relatively parallel with substrate 110, and the surface of the second plane 133 is arranged in, and keeps with the second plane 133
Focal distance, 1% focal length of positive and negative deviation, the first lens 140 are used to collimate the emergent ray projected from the second plane 133.
Further, the part not contacted with Wavelength converter 150 in the first plane 132 is impermeable optical plane.
Optionally, in one embodiment of the application, the portion that will not contacted with Wavelength converter 150 in the first plane 132
Divide and carries out silver-plated process.Because silvering has very strong reflecting power, it is opaque flat for can not only making the first plane 132
Face can also reflect the light penetrated in the first plane 132, it is intended to avoid light from leaking out from the first plane 132, and reflected light
Line improves the utilization rate of light, but specific processing mode is not limited thereto, any that the first plane 132 can be made to become not
The processing mode of transmission plane, the application do not do any restrictions herein.
Fig. 3 is the light source equipment structural schematic diagram that another embodiment of the application provides, as shown in figure 3, substrate is equipped with recessed
Slot 160；Wavelength converter 150 is set in groove 160.
Optionally, the center of substrate 110 is arranged in the application further groove 160, and size, shape and the wavelength of groove 160 turn
Changing device 150 is identical, and Wavelength converter 150 is placed in groove 160, but the specific set-up mode root of groove 160
It needs to be arranged according to user, does not do any restrictions herein.
Further, Wavelength converter 150 is fluorophor.
Fluorophor is micro-structure treated plane close to the plane of substrate 110, is covered in micro-structure treated plane
There is silver coating, and fluorophor carries out surface roughening treatment close to the plane of more terrace with edge light guides 130.
Wherein, fluorophor is that one kind can absorb energy, and the part energy absorbed is emitted again in the form of light
Out, in about 1 μ s or in the shorter time, the substance of light radiation can be emitted again.
It should be noted that Wavelength converter 150 is made of one or more kinds of fluorescent materials, wherein fluorescent material
It can be circle or rectangular, not do any restrictions herein, the fluorescent material close to substrate 110 has carried out micro-structure processing, micro-
Structure includes the structures such as spherical shape, taper, parabolic type, continues silver-plated process after micro-structure processing, not only can be improved in this way
Light extraction efficiency, while scattering light can be reduced.
Meanwhile Wavelength converter 150 carries out roughening treatment close to the plane of more rib light guides 130.
Further, corresponding 120 quantity of light source assembly in each guide-lighting side is identical, wherein the outgoing of light source assembly 120
Light propagates on corresponding guide-lighting side.
It should be noted that the quantity of light source assembly 120 has many, and the number of light source assembly 120 of each guide-lighting side
Measure all the same, light source assembly 120 can be M*N, and wherein N indicates that more terrace with edge light guides 130 have N number of guide-lighting side, and M is indicated
Each guide-lighting side can have M light source assembly.
Further, fluorophor is polygon prism, and multiple edge body includes N number of side.
It should be noted that fluorophor is polygon prism, the side quantity phase of side quantity and more terrace with edge light guides 130
It together, include N number of side, and the first surface 132 and the second table of the upper and lower surface shape of fluorophor and more terrace with edge light guides 130
133 shape of face is identical.
Fig. 4 be another embodiment of the present invention provides light source equipment schematic diagram, as shown in figure 4, each light source assembly 120 wrap
It includes: laser diode LD light source 121, the second lens 122.
Second lens 122 are set in the optical path of 121 emergent ray of LD light source, and the emergent ray of LD light source 121 is through second
Lens 122 propagate to guide-lighting side after transmiting.
It should be noted that LD light source 121 can be the combination of a kind of wavelength or multi-wavelength, for providing excitation
Light, and have the function of adjusting colour temperature and brightness.
Second lens 122 are a kind of double free form surface collimation lenses, and the emergent light that LD light source 121 can be made to be emitted becomes
Class collimated light of the beam divergence angle less than 1 degree.
Fig. 5 be another embodiment of the present invention provides light source equipment schematic diagram, as shown in figure 5, light source assembly further include: anti-
Light microscopic 123.
Reflective mirror 123 is set to after the second lens 122 transmit in the optical path of transmitted light, and the emergent ray of LD light source 121 passes through
Transmitted light after the transmission of second lens 122 propagates to guide-lighting side after the reflection of reflective mirror 123.
It should be noted that reflective mirror 123 is set to after the transmission of the second lens 122 in the optical path of transmitted ray, and with the
Two lens 122 are placed in predetermined angle, can carry out shaping to the transmitted light after the transmission of the second lens 122.Pass through regulation
Predetermined angle, so that the light through reflecting mirror outgoing is incident to wavelength conversion material center through guide-lighting body side surface.(note: this angle
Be it is controllable, can by rotate angle so that light is incident on wavelength conversion material central location).
Optionally, in specific embodiments of the present invention, there may be a variety of for the group mode of light source assembly:
1. Fig. 6 of mode be another embodiment of the present invention provides light source equipment schematic diagram, as shown in fig. 6, light source assembly 120
LD light source 121 can be only included, by changing the angle of substrate 110, or the angle by fixing the fixed LD light source 121 of device,
So that LD light source 121 and more terrace with edge light guides 130 are at an angle, light can enter to inject in more terrace with edge light guides 130 i.e.
It can.
2. light source assembly of mode may include LD light source 121 and the second lens 122, and the second lens 122 are for collimating LD light
The light that source 121 is projected；By changing the angle of substrate 110, by the fixed LD light source 121 of fixed device, or change second
The angle of lens 122, so that the light that light source projects is after the second lens 122, light, which can enter, injects more terrace with edge light guides
In 130.
3. light source assembly of mode may include LD light source 121 and reflective mirror 123, and reflective mirror 123 is used for shaping LD light source 121
The light of injection；By changing the angle of substrate 110, by the fixed LD light source 121 of fixed device, or change reflective mirror 123
Angle so that light source project light after the reflection of reflective mirror 123, light, which can enter, injects more terrace with edge light guides 130
It is interior.
4. light source assembly of mode may include LD light source 121, the second lens 122 and reflective mirror 123, the light that light source projects
It after the second lens 122 collimation, injects in reflective mirror 123, reflective mirror 123 carries out the light that the second lens 122 are emitted whole
Shape, and finally inject light into more terrace with edge light guides 130, reflective mirror 123 and the second lens 122 are in predetermined angle, so that light source
After reflective mirror, light can enter to inject in more terrace with edge light guides 130 light of injection.
Fig. 7 is the light path schematic diagram that one embodiment of the application provides, as shown in fig. 7, when light source assembly includes LD light source
121, the second lens 122 and when reflective mirror 123, optical path is as follows: the emergent ray of LD light source 121 is injected in the second lens 122, warp
It is injected in reflective mirror 123 after crossing the second lens 122 collimation, after the reflection of reflecting mirror 123, reflection light injects more terrace with edge light guides
It in 130, in more terrace with edge light guides 130 after multiple reflections, is emitted in the first lens 140 from the second plane 133, through
It is projected after one lens 140 collimation.Because light multiple reflections in more terrace with edge light guides 130, improve the utilization rate of light, increase
The brightness of light is added.
The group mode of specific light source assembly 120, needs to design, does not do any restrictions herein according to user.
Using light source equipment described herein, since laser is through excessive terrace with edge light guide 130, and in more terrace with edge light guides
Multiple reflections occur in 130, improve the utilization rate of light, meanwhile, when the exciting light of generation is projected through more terrace with edge light guides 130,
There is light recycling, therefore increase light-source brightness, overcomes defect in the prior art.
In the another aspect of the application, a kind of electronic equipment is provided, including light source equipment described in above-mentioned first aspect.
Optionally, electronic equipment can be any one of for projector, television set or printer, but any can be used
The electronic equipment of above-mentioned light source equipment is all within the protection scope of the application.
The method that above-mentioned electronic equipment is used to execute previous embodiment offer, it is similar that the realization principle and technical effect are similar,
This is repeated no more.
Claims (10)
1. a kind of light source equipment characterized by comprising
Substrate, M light source assembly, more terrace with edge light guides and Wavelength converter；
More terrace with edge light guides and the M light source assemblies are all set on the substrate, and more terrace with edge light guides include:
N number of leaded light side, the first plane close to the substrate, the second plane far from the substrate, wherein M, N are greater than 2
Integer；
The Wavelength converter be set to the substrate on, more terrace with edge light guides be set to the Wavelength converter on and
First plane of more terrace with edge light guides connects with the Wavelength converter；
The emergent ray of the light source assembly propagates to the guide-lighting side and is transmitted through in more terrace with edge light guides, and through the
One plane is incident in the Wavelength converter, wherein the light not absorbed by the Wavelength converter and the wavelength convert
The exciting light that device generates is projected through second plane together.
2. light source equipment as described in claim 1, which is characterized in that further include: the first lens, first lens with it is described
Substrate is opposite；
The light by second planar exit propagates to the first lens transmission.
3. light source equipment as described in claim 1, which is characterized in that in first plane not with the Wavelength converter
The part of contact is impermeable optical plane.
4. light source equipment as described in claim 1, which is characterized in that the substrate is equipped with groove；
The Wavelength converter is set in the groove.
5. light source equipment as described in claim 3 or 4, which is characterized in that the Wavelength converter is fluorophor；
The fluorophor is micro-structure treated plane close to the plane of substrate, is covered in the micro-structure treated plane
There is silver coating；
The fluorophor carries out surface roughening treatment close to the plane of more terrace with edge light guides.
6. light source equipment as described in claim 1, which is characterized in that the corresponding light source assembly quantity in each guide-lighting side
It is identical, wherein the emergent ray of the light source assembly propagates on the corresponding guide-lighting side.
7. light source equipment as claimed in claim 5, which is characterized in that the fluorophor is more terrace with edges, and more terrace with edges include N
A side.
8. light source equipment as described in claim 1, which is characterized in that each light source assembly includes: laser diode LD
Light source, the second lens；
Second lens are set in the optical path of the LD light source emergent ray, and the emergent ray of the LD light source is through described
The guide-lighting side is propagated to after the transmission of two lens.
9. light source equipment as claimed in claim 8, which is characterized in that the light source assembly further include: reflective mirror；
The reflective mirror is set to after second lens transmit in the optical path of transmitted light, and the emergent ray of the LD light source is through institute
Transmitted light after stating the transmission of the second lens propagates to the guide-lighting side after the mirror reflection.
10. a kind of electronic equipment, which is characterized in that including the described in any item light source equipments of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910096213.1A CN109581799A (en) | 2019-01-15 | 2019-01-15 | Light source equipment and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910096213.1A CN109581799A (en) | 2019-01-15 | 2019-01-15 | Light source equipment and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109581799A true CN109581799A (en) | 2019-04-05 |
Family
ID=65918555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910096213.1A Pending CN109581799A (en) | 2019-01-15 | 2019-01-15 | Light source equipment and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109581799A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108727A1 (en) * | 2021-12-17 | 2023-06-22 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
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| CN107272313A (en) * | 2016-04-06 | 2017-10-20 | 上海蓝湖照明科技有限公司 | Light-emitting device and relevant projecting system and illuminator |
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| JP2012079989A (en) * | 2010-10-05 | 2012-04-19 | Stanley Electric Co Ltd | Light source device and lighting fixture |
| CN102566233A (en) * | 2010-12-17 | 2012-07-11 | 日立民用电子株式会社 | Light source apparatus |
| CN203585861U (en) * | 2013-10-11 | 2014-05-07 | 吴震 | Light source |
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| CN107272313A (en) * | 2016-04-06 | 2017-10-20 | 上海蓝湖照明科技有限公司 | Light-emitting device and relevant projecting system and illuminator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108727A1 (en) * | 2021-12-17 | 2023-06-22 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
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