CN108205232B - A kind of optical tunnel and DLP ray machine lighting system - Google Patents
A kind of optical tunnel and DLP ray machine lighting system Download PDFInfo
- Publication number
- CN108205232B CN108205232B CN201611177937.1A CN201611177937A CN108205232B CN 108205232 B CN108205232 B CN 108205232B CN 201611177937 A CN201611177937 A CN 201611177937A CN 108205232 B CN108205232 B CN 108205232B
- Authority
- CN
- China
- Prior art keywords
- light
- optical tunnel
- light valve
- hot spot
- area
- 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.)
- Active
Links
Classifications
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to optical technical fields, more particularly to a kind of optical tunnel and DLP ray machine lighting system, to improve the utilization rate of the emergent light of optical tunnel and be emitted to light valve hot spot uniformity, the light-emitting surface of the optical tunnel is irregular quadrilateral, the hot spot that the emergent light of the light-emitting surface of optical tunnel is formed on light valve covers the light valve, and the ratio of the area of the area of the light valve and the hot spot is not less than the first proportion threshold value, and it is not more than the second proportion threshold value, so that the light spot shape for being irradiated to light valve surface is no longer irregular, but closer to light valve spot size actually required on area, and it is identical as light valve surface beam reception area in shape, also it is conducive to improve light valve in this way to the utilization rate of light beam, and the uniformity of hot spot optical density is more preferable, thus the embodiment of the present invention is under the premise of guaranteeing to cover light valve, it improves The utilization rate of optical tunnel emergent light, while improving the uniformity consistency of projected spot.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of optical tunnel and DLP ray machine lighting systems.
Background technique
Laser display shadow casting technique is emerging projection display technique, and laser projection product is relative to light emitting diode
(Light Emitting Diode, LED) projection products have higher brightness and service life.
It include light fixture in laser projection product, light fixture is mainly made of even smooth component and a small amount of lens, even light
Component has fly's-eye lens and two kinds of optical tunnel.Since the energy of laser is excessively high, even light is generally carried out using optical tunnel.
Optical tunnel used in the prior art is mainly based on rectangle optical tunnel, for rectangle optical tunnel, incidence surface
It is all rectangle with light-emitting surface.The emergent light of rectangle optical tunnel is by DLP (Digital Light Procession, at digital light
Reason) after other components in ray machine lighting system, it can be projected to light valve, the hot spot for usually requiring the emergent light of optical tunnel to be formed
Entire light valve is covered, as shown in Fig. 1 (a), light is projected to side incidence for the emergent light of optical tunnel in the prior art
The schematic diagram of valve surface.Wherein, the light-emitting surface of optical tunnel is rectangle ABCD, and light valve is typically also rectangular configuration, such as Fig. 1 (a)
It is shown, A2B2C2D2For rectangular light valve, therefrom, it can be seen that the hot spot A that rectangle optical tunnel emergent light is formed on light valve1B1C1D1
Area be much larger than light valve A2B2C2D2Area and hot spot shape exist distortion the case where, for another example, with reference to Fig. 1 (b), be
The emergent light of optical tunnel in the prior art is projected to the schematic diagram on light valve surface, rectangle optical tunnel emergent light with angle incidence
The hot spot A formed on light valve1B1C1D1Area also much larger than light valve A2B2C2D2Area and the shape of hot spot there is also distortions
The case where, thus the projection of rectangle optical tunnel light spot shape usually because crevice projection angle reason there are the distortions of shape, and to protect
Card light valve surface is irradiated to completely, then it is required that projected spot area is slightly larger than light valve surface area, also, in shape
Distortion also easily leads to the inhomogeneities of light brightness distribution, had both caused the waste of luminous energy, and had also easily caused the inhomogeneities of picture.
In conclusion the outgoing light utilization efficiency of optical tunnel is lower in the prior art, and the hot spot for being emitted to light valve is not equal enough
It is even.
Summary of the invention
The present invention provides a kind of optical tunnel and DLP ray machine lighting system, the utilization rate of the emergent light to improve optical tunnel
And it is emitted to the uniformity of the hot spot of light valve.
In a first aspect, the embodiment of the present invention provides a kind of optical tunnel, the light-emitting surface of the optical tunnel is irregular quadrilateral,
Hot spot that the emergent light of the light-emitting surface of the optical tunnel is formed on light valve covers the light valve, the shape of the hot spot with it is described
The shape of light valve is identical and the ratio of the area of the area and hot spot of the light valve is not less than the first proportion threshold value, and
No more than the second proportion threshold value.
The light-emitting surface of optical tunnel provided in an embodiment of the present invention is irregular quadrilateral, the emergent light of the light-emitting surface of optical tunnel
The hot spot that is formed on light valve covers the light valve, and the ratio of the area of the area of the light valve and the hot spot is not less than the
One proportion threshold value, and it is not more than the second proportion threshold value, so that the light spot shape for being irradiated to light valve surface is no longer irregular, and
It is closer light valve spot size actually required on area, and identical as light valve surface beam reception area in shape, in this way
Also it is conducive to improve light valve to the utilization rate of light beam, and the uniformity of hot spot optical density is more preferable, thus the embodiment of the present invention is guaranteeing
Under the premise of covering light valve, the utilization rate of optical tunnel emergent light is improved, while improving the uniformity consistency of projected spot.
Second aspect, the embodiment of the present invention provide a kind of DLP ray machine lighting system, comprising:
Optical tunnel, illumination microscope group as described above；
Received light beam of light source is emitted to the illumination microscope group by the optical tunnel, and is incident to DMD light valve surface.
The embodiment of the present invention provides a kind of DLP ray machine lighting system, due to having used above-mentioned improved optical tunnel, so that
It is no longer irregular for being irradiated to the light spot shape on light valve surface, but big closer to light valve hot spot actually required on area
It is small and identical as light valve surface beam reception area in shape, it is conducive to improve light valve in this way to the utilization rate of light beam, and hot spot light
The uniformity of density is more preferable, thus improves the utilization rate to light source of DLP ray machine lighting system；And due to using the even light
Stick improves the uniformity consistency for the hot spot being projected on light valve, thus improves the lighting quality of DLP ray machine lighting system.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 (a) is optical tunnel light-emitting surface schematic shapes in the prior art；
Fig. 1 (b) is optical tunnel light-emitting surface schematic shapes in the prior art；
Fig. 2 is optical tunnel light-emitting surface schematic shapes provided in an embodiment of the present invention；
Fig. 3 is light valve schematic diagram in the prior art；
Fig. 4 is optical tunnel light-emitting surface schematic diagram in the prior art；
Fig. 5 is hot spot schematic diagram in the prior art；
Fig. 6 is optical tunnel light-emitting surface schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the hot spot schematic diagram in the embodiment of the present invention；
Fig. 8 is optical tunnel light-emitting surface schematic diagram provided in an embodiment of the present invention；
Fig. 9 is the hot spot schematic diagram in the embodiment of the present invention；
Figure 10 is DLP ray machine lighting system schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
Embodiment one
As shown in Fig. 2, being optical tunnel light-emitting surface schematic shapes provided in an embodiment of the present invention, wherein optical tunnel goes out
Smooth surface is irregular quadrilateral, and the hot spot that the emergent light of the light-emitting surface of optical tunnel is formed on light valve covers the light valve, described
The ratio of the area and the area of the hot spot of the shape of the hot spot light valve identical and described with the shape of the light valve is not less than
First proportion threshold value, and it is not more than the second proportion threshold value.
It is light valve schematic diagram in the prior art referring to Fig. 3, light valve is divided into effective display area, delustring from inside to outside
Area, fenestra and epoxy glue area (encapsulation region), the area of light valve refers to the area of effective display area in the embodiment of the present invention, because
This, in practical applications, the first proportion threshold value and the second proportion threshold value need to guarantee the area of hot spot not less than having in setting
Viewing area area is imitated, and is not more than the sum of delustring area and effective display area area, is i.e. the edge of hot spot is located in delustring area.
Specific setting for the first proportion threshold value and the second proportion threshold value, depending on actual needs, the present invention, which is not done, to be had
Body limits, for example, the first proportion threshold value is preset as 0.9, and the second proportion threshold value is preset as 1, then(while guaranteeing that the edge of hot spot is located in delustring area)；Or first proportion threshold value
It is preset as 0.95, the second proportion threshold value is preset as 1, then(while guaranteeing hot spot
Edge is located in delustring area).Preferably, the area of hot spot is equal to the area of light valve.
Referring to Fig. 2, wherein ABCD is the original light-emitting surface of optical tunnel, is mapped to by the illumination that light-emitting surface ABCD is emitted
Light valve A2B2C2D2The hot spot of upper formation such as Fig. 1 (a) show A1B1C1D1；And optical tunnel provided in an embodiment of the present invention, go out light
Face is quadrangle A3B3C3D3, it is to prune four by the light-emitting surface to rectangle optical tunnel on the basis of original light-emitting surface ABCD
A side obtains, light-emitting surface A3B3C3D3In light valve A2B2C2D2The hot spot of upper formation is illustrated in figure 2 A4B4C4D4, optical tunnel goes out
Object-image relation, i.e., the illumination of different optical tunnel light-emitting surface outgoing are mapped to projection light hot spot each other on the quadrangle and light valve of smooth surface
The hot spot formed on light valve will be different, in embodiments of the present invention, due to guaranteeing light valve A2B2C2D2Area and hot spot
A4B4C4D4Area and ratio less than the first proportion threshold value, and be not more than the second proportion threshold value, i.e., guarantee light valve A2B2C2D2Face
Long-pending and hot spot A4B4C4D4Area approximation, thus be conducive to improve optical tunnel light-emitting surface emergent light utilization rate.
Wherein, as shown in Fig. 2, four vertex A, B, C, D of light-emitting surface ABCD respectively with the hot spot A on light valve4B4C4D4's
Four vertex A4、B4、C4、D4It corresponds.
When the shape of hot spot and the shape of light valve are identical, and the area of hot spot is identical as the area of light valve, optical tunnel
The hot spot that the emergent light of light-emitting surface is formed on light valve fits like a glove with light valve, thus reaches optimal effect, in the situation
Under, so that the emergent light of optical tunnel has all been irradiated on light valve substantially, improve the utilization of the emergent light of optical tunnel with can dramatically
Rate.
Preferably, the ratio of the first long side and the second long side of the quadrangle ABCD of optical tunnel is 0.8~1, wherein first
Long side is less than or equal to second long side.
By taking Fig. 2 as an example, the first long side of quadrangle ABCD is C3D3, the second long side is A3D3, wherein C3D3≤A3D3, practical
In, it is preferable that C3D3:A3D3Between 0.8~1.
Preferably, the ratio of the first short side of quadrangle ABCD and the second short side is 0.7~1, wherein the first short side is less than
Or it is equal to second short side.
By taking Fig. 2 as an example, the first short side of quadrangle ABCD is A3B3, the second short side is B3C3, wherein A3B3≤B3C3, practical
In, it is preferable that A3B3:B3C3Between 0.7~1.
Preferably, the ratio of the second short side and the second long side is 0.4~0.8, by taking Fig. 2 as an example, wherein the second short side is
B3C3It is A with the second long side3D3Ratio between 0.4~0.8.
Preferably, the light-emitting surface of optical tunnel provided in an embodiment of the present invention and the incidence surface of optical tunnel are parallel, for example, entering light
Face and light-emitting surface are all perpendicular to the plane of optical tunnel.
Below with reference to specific embodiment, to be illustrated to the effect of optical tunnel provided in an embodiment of the present invention.
Embodiment two
As shown in figure 4, being optical tunnel light-emitting surface schematic diagram in the prior art, wherein have chosen nine on light-emitting surface
Point (in figure shown in circle) is formed on light valve when the emergent light of optical tunnel is incident to light valve in such a way that angle is incident
Nine hot spots point corresponding with nine points on the light-emitting surface of optical tunnel is as shown in Figure 5 in hot spot, wherein Fig. 5 is existing
Hot spot schematic diagram in technology, wherein can be seen that, hot spot point is so apparent that deviate from light valve structure, causes optical tunnel light-emitting surface
Emergent light can not be irradiated to light valve surface, thus light source utilization rate is low.
It is optical tunnel light-emitting surface schematic diagram provided in an embodiment of the present invention with reference to Fig. 6, using the optical tunnel, through experiment point
It analyses, nine hot spot points on the hot spot formed on light valve surface are as shown in Figure 7, wherein Fig. 7 is in the embodiment of the present invention
Hot spot schematic diagram, it can be seen that it is apparent that compared to hot spot structure shown in fig. 5, hot spot structure shown in Fig. 7 of the embodiment of the present invention
At region and light valve region more coincide so that optical tunnel go out light utilization efficiency it is higher.
Embodiment three
For another example, when the emergent light of optical tunnel is incident to light valve in such a way that side is incident, what the embodiment of the present invention used
Optical tunnel light-emitting surface is as shown in figure 8, using the optical tunnel, through experimental analysis, nine on hot spot that are formed on light valve surface
A hot spot point is as shown in Figure 9, wherein Fig. 9 is the hot spot schematic diagram in the embodiment of the present invention, it can be seen that it is apparent that compared to figure
Hot spot structure shown in 5, the region and light valve region that hot spot shown in Fig. 9 of the embodiment of the present invention is constituted more coincide, because
And make the light utilization efficiency out of optical tunnel higher.
The light-emitting surface of optical tunnel provided in an embodiment of the present invention is irregular quadrilateral, the emergent light of the light-emitting surface of optical tunnel
The hot spot that is formed on light valve covers the light valve, and the ratio of the area of the area of the light valve and the hot spot is not less than the
One proportion threshold value, and it is not more than the second proportion threshold value, so that the light spot shape for being irradiated to light valve surface is no longer irregular, and
It is closer light valve spot size actually required on area, and identical as light valve surface beam reception area in shape, in this way
Also it is conducive to improve light valve to the utilization rate of light beam, and the uniformity of hot spot optical density is more preferable, thus the embodiment of the present invention is guaranteeing
Under the premise of covering light valve, the utilization rate of optical tunnel emergent light is improved, while improving the uniformity consistency of projected spot.
Example IV
The embodiment of the present invention also provides a kind of DLP (digital light processing, Digital Light Processing) ray machine photograph
Bright system, as shown in Figure 10, comprising:
The optical tunnel of any of the above-described embodiment offer of the present invention, illumination microscope group；
Received light beam of light source is emitted to the illumination microscope group by the optical tunnel, and is incident to DMD (Digital
Micromirror Device, digital micromirror device) light valve surface.
The embodiment of the present invention provides a kind of DLP ray machine lighting system, due to having used above-mentioned improved optical tunnel, so that
It is no longer irregular for being irradiated to the light spot shape on light valve surface, but big closer to light valve hot spot actually required on area
It is small and identical as light valve surface beam reception area in shape, it is conducive to improve light valve in this way to the utilization rate of light beam, and hot spot light
The uniformity of density is more preferable, thus improves the utilization rate to light source of DLP ray machine lighting system；And due to using the even light
Stick improves the uniformity consistency for the hot spot being projected on light valve, thus improves the lighting quality of DLP ray machine lighting system.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of optical tunnel, which is characterized in that the light-emitting surface of the optical tunnel is irregular quadrilateral, and the optical tunnel goes out light
The hot spot that the emergent light in face is formed on light valve covers the light valve, and the shape of the hot spot is identical as the shape of the light valve,
And the ratio of the area of the area of the light valve and the hot spot is not less than the first proportion threshold value, and is not more than the second ratio threshold
Value.
2. optical tunnel as described in claim 1, which is characterized in that the area of the hot spot is equal to the area of the light valve.
3. optical tunnel as claimed in claim 1 or 2, which is characterized in that the first long side of the quadrangle and the quadrangle
The second long side ratio be 0.8~1, first long side be less than or equal to second long side.
4. optical tunnel as claimed in claim 3, which is characterized in that the of the first short side of the quadrangle and the quadrangle
The ratio of two short sides is 0.7~1, and first short side is less than second short side.
5. optical tunnel as claimed in claim 4, which is characterized in that the ratio of second short side and second long side is
0.4~0.8.
6. optical tunnel as described in claim 1, which is characterized in that the light-emitting surface of the optical tunnel enters light with the optical tunnel
Face is parallel.
7. optical tunnel as claimed in claim 1 or 2, which is characterized in that 0.9≤first proportion threshold value≤second ratio
Example threshold value≤1.
8. optical tunnel as claimed in claim 1 or 2, which is characterized in that the irregular quadrilateral passes through to rectangle optical tunnel
Light-emitting surface prune four sides and obtain.
9. a kind of number light processing DLP ray machine lighting system characterized by comprising
Optical tunnel as described in any of the claims 1 to 8, illumination microscope group；
Received light beam of light source is emitted to the illumination microscope group by the optical tunnel, and is incident to digital micromirror device DMD light valve
Surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472249.5A CN110161790B (en) | 2016-12-19 | 2016-12-19 | DLP ray apparatus lighting system |
| CN201611177937.1A CN108205232B (en) | 2016-12-19 | 2016-12-19 | A kind of optical tunnel and DLP ray machine lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177937.1A CN108205232B (en) | 2016-12-19 | 2016-12-19 | A kind of optical tunnel and DLP ray machine lighting system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472249.5A Division CN110161790B (en) | 2016-12-19 | 2016-12-19 | DLP ray apparatus lighting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108205232A CN108205232A (en) | 2018-06-26 |
| CN108205232B true CN108205232B (en) | 2019-07-30 |
Family
ID=62602803
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611177937.1A Active CN108205232B (en) | 2016-12-19 | 2016-12-19 | A kind of optical tunnel and DLP ray machine lighting system |
| CN201910472249.5A Active CN110161790B (en) | 2016-12-19 | 2016-12-19 | DLP ray apparatus lighting system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472249.5A Active CN110161790B (en) | 2016-12-19 | 2016-12-19 | DLP ray apparatus lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108205232B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228968A (en) * | 2001-01-30 | 2002-08-14 | Minolta Co Ltd | Illumination optical system and video projector |
| JP2003233127A (en) * | 2001-12-06 | 2003-08-22 | Ctx Opto Electronics Corp | Illumination method and apparatus for projection system |
| CN1482489A (en) * | 2002-09-13 | 2004-03-17 | 中强光电股份有限公司 | Improved asymmetric projection lighting system and method |
| CN2891006Y (en) * | 2006-01-20 | 2007-04-18 | 上海飞锐光电科技有限公司 | Light equalizer and optical engine lighting system with the same |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW585255U (en) * | 2002-10-09 | 2004-04-21 | Young Optics Inc | Projection optical apparatus having a wedge prism |
| KR100900971B1 (en) * | 2002-12-21 | 2009-06-04 | 삼성전자주식회사 | Light pipe, color illuminating system and projection type image display apparatus employing the same |
| CN2615690Y (en) * | 2003-02-26 | 2004-05-12 | 台达电子工业股份有限公司 | Light conducting device for lighting system |
| US7273279B2 (en) * | 2004-04-30 | 2007-09-25 | Victor Company Of Japan Limited | Projection display apparatus |
| TWI274954B (en) * | 2005-10-13 | 2007-03-01 | Coretronic Corp | Projection system and light source device thereof |
| CN2921892Y (en) * | 2006-06-23 | 2007-07-11 | 大恒新纪元科技股份有限公司光电研究所 | Projection optical system for DLP |
| CN100549808C (en) * | 2006-10-25 | 2009-10-14 | 中强光电股份有限公司 | Optical projection system |
| CN101726972B (en) * | 2008-10-16 | 2011-09-21 | 台达电子工业股份有限公司 | Light-homogenizing device and digital optical processing projection system comprising same |
| CN201885062U (en) * | 2010-10-08 | 2011-06-29 | 深圳市光峰光电技术有限公司 | High-power solid-state light source and mobile phone with same |
| CN102565897B (en) * | 2010-12-30 | 2015-03-04 | 比亚迪股份有限公司 | Prism system and projector with same |
| CN102722072B (en) * | 2011-12-25 | 2014-12-31 | 深圳市光峰光电技术有限公司 | Projection display equipment |
| CN102692714B (en) * | 2012-05-31 | 2014-08-27 | 北京国科世纪激光技术有限公司 | Adjustable light spot intercepting device and method thereof |
| CN102854724B (en) * | 2012-08-30 | 2014-11-05 | 深圳市绎立锐光科技开发有限公司 | Adjustment method and device of projection light source |
| CN103941532B (en) * | 2013-01-17 | 2015-11-25 | 台达电子工业股份有限公司 | Optical system |
| CN103186027A (en) * | 2013-04-01 | 2013-07-03 | 电子科技大学 | Dodging device for micro-projector |
| CN204740418U (en) * | 2015-07-14 | 2015-11-04 | 中国科学院重庆绿色智能技术研究院 | Blue light fluorescence excitation powder formula laser car light based on DMD |
| CN105116689A (en) * | 2015-09-09 | 2015-12-02 | 合肥芯碁微电子装备有限公司 | UVLED array light source collection and utilization device used for direct writing exposure machine |
| CN205374793U (en) * | 2015-12-28 | 2016-07-06 | 无锡视美乐激光显示科技有限公司 | Leaded light device and projection equipment who uses thereof |
-
2016
- 2016-12-19 CN CN201611177937.1A patent/CN108205232B/en active Active
- 2016-12-19 CN CN201910472249.5A patent/CN110161790B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228968A (en) * | 2001-01-30 | 2002-08-14 | Minolta Co Ltd | Illumination optical system and video projector |
| JP2003233127A (en) * | 2001-12-06 | 2003-08-22 | Ctx Opto Electronics Corp | Illumination method and apparatus for projection system |
| CN1482489A (en) * | 2002-09-13 | 2004-03-17 | 中强光电股份有限公司 | Improved asymmetric projection lighting system and method |
| CN2891006Y (en) * | 2006-01-20 | 2007-04-18 | 上海飞锐光电科技有限公司 | Light equalizer and optical engine lighting system with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110161790B (en) | 2021-05-11 |
| CN108205232A (en) | 2018-06-26 |
| CN110161790A (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7467885B2 (en) | Light source | |
| JP5456688B2 (en) | Light source device and projection display device used in projection system | |
| TWI627442B (en) | Lighting device and image projection device using same | |
| CN208670636U (en) | A kind of optical system of LED light source | |
| CN109194883B (en) | Light filling lamp device and shooting equipment | |
| JP2005276794A (en) | Light source device | |
| CN109578939B (en) | Light source guiding device | |
| US9423611B2 (en) | Lens and method of forming shape of lens based on calculated normal direction of light incident points on virtual light incident surface | |
| CN205535304U (en) | Light path structure of LED pattern lamp | |
| CN107870386B (en) | A kind of photoconductive tube and lighting system | |
| CN209606761U (en) | A kind of light source direct imaging optical projection apparatus | |
| JP5403255B2 (en) | Lighting device and projector | |
| CN108205232B (en) | A kind of optical tunnel and DLP ray machine lighting system | |
| CN108712616B (en) | Sidelight detection mechanism of sidelight cage | |
| JP2012169507A (en) | Led light-emitting device and electronic apparatus | |
| CN205263459U (en) | LCOS projecting apparatus | |
| KR101439746B1 (en) | Construction method and system of 3-dimensional freeform lens for illuminating a rectangular area very efficiently and uniformly | |
| US10746357B2 (en) | Lighting device having polychromatic light source and optical element with light filter having through hole | |
| CN108800061A (en) | A kind of light-distribution lens of line lamp | |
| ten Thije Boonkkamp et al. | The Monge-Ampere equation for freeform optics | |
| CN100545735C (en) | Projector and integration rod thereof | |
| US20040227899A1 (en) | Video light producing device and projection type video display | |
| Yin et al. | Design of freeform LED lens with large light deflection angle for road lighting application | |
| CN103383086B (en) | A kind of backlight module and a kind of electronic equipment | |
| TWI531095B (en) | Light emitting diode device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200820 Address after: 266000, No. 218, Bay Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: Donghai West Road 266071 Shandong city of Qingdao province No. 17 Patentee before: HISENSE Co.,Ltd. |
|
| TR01 | Transfer of patent right |