CN110160010A - Industrial lighting device - Google Patents
Industrial lighting device Download PDFInfo
- Publication number
- CN110160010A CN110160010A CN201910267861.9A CN201910267861A CN110160010A CN 110160010 A CN110160010 A CN 110160010A CN 201910267861 A CN201910267861 A CN 201910267861A CN 110160010 A CN110160010 A CN 110160010A
- Authority
- CN
- China
- Prior art keywords
- light
- plane
- incidence
- refraction
- lighting device
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
A kind of industrial lighting device of illuminance distribution, including reflecting plate, light guide plate, outgoing plate, the plane of incidence of light guide plate is located at the corner of light guide plate and is provided with LED light source, the concentric curve around LED light source is distributed on the top surface of light guide plate from closely to the plural groups microprism being far distributed, it is emitted on the top surface of plate in concentric curve from closely to plural groups light distribution fin ring far is distributed with, microprism is fallen in light distribution fin ring in vertical direction；LED light source includes Reflex Reflector lens, the center of bottom surface is recessed forms incidence surface upwards, light-emitting surface is covered in above bottom surface, a plurality of Reflex Reflectors are formed on bottom surface, Reflex Reflector includes the plane of incidence and multiple planes of refraction around the plane of incidence, the plane of incidence and plane of refraction collectively form polyhedral structure, composition light reflection cavity is surrounded between plane of refraction, light reflection cavity is entered by the plane of incidence after light-emitting surface reflection from the part of the light of incidence surface incidence, the return plane of incidence that is parallel after plane of refraction repeatedly reflects and deviating outward is emitted.
Description
Technical field
The present invention relates to a kind of lighting devices.
Background technique
Existing industrial lighting device causes Luminance Distribution uneven, illuminating effect is not since internal light emitting structures are unreasonable
It is good.
Summary of the invention
To overcome the above disadvantages, the purpose of the present invention is to provide a kind of industrial lighting seamlessly transitted between hot spot dresses
It sets.
The present invention provides a kind of industrial lighting device, including reflecting plate, light guide plate, outgoing plate, the light guide plate packets
The first exit facet, first top surface opposite with first exit facet, the plane of incidence for being used to receive light beam positioned at side are included,
The plane of incidence is located at the corner of light guide plate, and LED light source is provided on the plane of incidence, and the reflecting plate is located at described
The first top surface top, plural groups microprism is distributed on first top surface, the microprism is in around described
The concentric curve of LED light source is from closely to being far distributed, the microprism has the first side to light and the first shady face；Described
Outgoing plate includes the second exit facet, second top surface opposite with second exit facet, and second top surface is located at described
The first exit facet lower section, plural groups light distribution fin ring is distributed on second top surface, the light distribution fin ring is in
Concentric curve is from closely to being far distributed, the microprism is fallen in light distribution fin ring in vertical direction, the light distribution fin
Ring has the second side to light and the second shady face；The LED light source include LED chip and be located at LED chip light extraction direction
On Reflex Reflector lens, the Reflex Reflector lens include rounded bottom surface, around the bottom surface side,
And the light-emitting surface upwardly extended along the side, the center of the bottom surface are recessed form incidence surface upwards, described goes out
Smooth surface is covered in above the bottom surface, is formed with a plurality of Reflex Reflectors, the Reflex Reflector on the bottom surface
Including the plane of incidence and around multiple planes of refraction of the plane of incidence, the plane of incidence and plane of refraction collectively form a multi-panel
Body structure surrounds between the plane of refraction and constitutes a light reflection cavity, exists from the part of the light of the incidence surface incidence
Light reflection cavity is entered by the plane of incidence after the light-emitting surface reflection, it is parallel after the plane of refraction repeatedly reflects
And the return plane of incidence outgoing deviated outward.
Preferably, the slope of the concentric curve gradually increases along clockwise direction.
Preferably, the height of the microprism is gradually increased along the direction far from the plane of incidence, micro- rib
The spacing of mirror is gradually reduced far from the direction of the light incident surface.
Preferably, first side to light and the first shady face are in the angle α, and the angle α is along incident far from the light
Range of the direction in face in 1~α of α, 2~α 3, and 3 > α of α, 1 > α 2.
Preferably, second side to light and the second shady face are in the angle β, and the angle β is along incident far from the light
Range of the direction in face in 1~β of β, 2~β 3, and 3 > β of β, 1 > β 2.
Preferably, the plane of refraction includes main plane of refraction and auxiliary plane of refraction, and the main plane of refraction enters with described
Penetrate that face is opposite, the auxiliary plane of refraction is adjacent with the plane of incidence.
Preferably, the angle between the plane of refraction is greater than the angle of total reflection.
Preferably, the Reflex Reflector is centrosymmetric is distributed and integrally tilts outward.
Preferably, the inner surface of the incidence surface is provided with multiple annular line of rabbet joint, and the annular line of rabbet joint is along incidence surface
Short transverse distribution, be provided with anti-reflection structure between the annular line of rabbet joint, the anti-reflection structure includes transparent first
Base, the second base being fixed on above first base have diffusion optical texture in first base, described
The second base membrane layer on there is refractive optics structure, second base by substratum transparent it is fixed described in the first base
Top, the diffusion optical texture are located at inner surface and/or the outer surface of first base.
Preferably, downwardly incidence surface is recessed and is located at the central point of incidence surface same at the center of the light-emitting surface
On one center line, the center of the light-emitting surface be recessed towards the incidence surface so that central point near zone incident light
Line reaches total reflection condition, and the incident ray in the rest part region of the light-emitting surface reaches refraction outgoing condition.
Due to using above technical scheme, the internal light emitting structures of the present invention rationally, illuminance distribution, illuminating effect compared with
It is good.
Detailed description of the invention
Attached drawing 1 is the perspective view of industrial lighting device according to the present invention；
Attached drawing 2 is the top view of the light guide plate of industrial lighting device according to the present invention；
Attached drawing 3 is the optical schematic diagram of industrial lighting device according to the present invention；
Attached drawing 4 is the stereoscopic schematic diagram of Reflex Reflector lens according to the present invention；
Attached drawing 5 is the schematic front view of Reflex Reflector lens according to the present invention；
Attached drawing 6 is the partial enlarged view of Reflex Reflector lens according to the present invention；
Attached drawing 7 is the operation principle schematic diagram of Reflex Reflector lens according to the present invention；
Attached drawing 8 is the Illumination Distribution contrast schematic diagram of the present embodiment.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to attached drawing 1 to attached drawing 3, attached drawing 1 is the perspective view of industrial lighting device according to the present invention, according to attached drawing 2
The top view of the light guide plate of industrial lighting device of the invention, attached drawing 3 are that the optics of industrial lighting device according to the present invention is former
Reason figure.A kind of industrial lighting device of the invention, including reflecting plate 22, light guide plate 9, outgoing plate 10.
Light guide plate 9 is used to including the first exit facet 11, the first top surface 12 opposite with the first exit facet 11, positioned at side
The plane of incidence 13 of light beam is received, the plane of incidence 13 is located at the corner of light guide plate 9, LED light source, reflecting plate 22 are provided on the plane of incidence 13
Positioned at the top of the first top surface 12, plural groups microprism 14 is distributed on the first top surface 12, microprism 14 is in around LED light source
Concentric curve is from closely to being far distributed, microprism 14 has the first side to light 15 and the first shady face 16；LED light source includes LED
Chip 7 and the Reflex Reflector lens on 7 light direction of LED chip, the first side to light 15 and the first shady face 16 are in α
Angle, range of the angle α along the direction far from light incident surface in 1~α of α, 2~α 3, and 3 > α of α, 1 > α 2.
Being emitted plate 10 includes the second exit facet 17, second top surface 18 opposite with the second exit facet 17, the second top surface 18
In plural groups light distribution fin ring 19 is distributed on the lower section of the first exit facet 11, the second top surface 18, light distribution fin ring 19 is in concentric
For curve from closely to being far distributed, microprism 14 is fallen in light distribution fin ring 19 in vertical direction, light distribution fin ring 19 has second
Side to light 20 and the second shady face 21, the second side to light 20 and the second shady face 21 are in the angle β, and the angle β is along the side far from light incident surface
To the range in 1~β of β, 2~β 3, and 3 > β of β, 1 > β 2.
In the side to light that the track along the same position on clockwise direction, concentric curve includes the first side to light 15
Angle is all consistent, and the slope of concentric curve gradually increases along clockwise direction.The height of microprism 14 is along far from the plane of incidence
Direction gradually increase, the spacing of microprism 14 is gradually reduced far from the direction of light incident surface.Entered by the plane of incidence 13 guide-lighting
The light of plate 9 separates on the first shady face 16, and a part of S1 is reflected into outgoing plate 10, by the folding of the second shady face 21
It after penetrating, is emitted from the second exit facet 17, incident from the first side to light 15 after being reflected after another part S2 transmission by reflecting plate 22, warp
After the refraction of the second side to light 20, it is emitted from the second exit facet 17, since microprism 14 falls in light distribution fin ring in vertical direction
In 19, so the light at same position can be equal at each position with secondary use, the superimposed luminous flux in two sides,
Therefore light efficiency is uniform.
Attached drawing 4 is the stereoscopic schematic diagram of Reflex Reflector lens according to the present invention, and attached drawing 5 is reply according to the present invention
The schematic front view of reflector lens, attached drawing 6 are the partial enlarged view of Reflex Reflector lens according to the present invention；A kind of reply
Reflector lens, including rounded bottom surface 1, the side 2 around bottom surface 1 and laterally 2 light-emitting surface 3 upwardly extended, bottom
The center in face 1 is recessed upwards forms incidence surface 4, and light-emitting surface 3 is covered in 1 top of bottom surface, is formed with a plurality of reply instead on bottom surface 1
Emitter 5, Reflex Reflector 5 is including the plane of incidence 6 and around multiple planes of refraction 7 of the plane of incidence 6, the plane of incidence 6 and the common structure of plane of refraction 7
It at a polyhedral structure, is surrounded between plane of refraction 7 and constitutes a light reflection cavity, the part of the light incident from incidence surface 4 exists
Light-emitting surface 3 passes through the plane of incidence 6 after reflecting and enters light reflection cavity, deviates in parallel and outward after plane of refraction more than 7 times refractions
The plane of incidence 6 is returned to be emitted.
Angle between plane of refraction 7 is greater than the angle of total reflection, and plane of refraction 7 includes main plane of refraction and auxiliary plane of refraction, main refraction
Face and the plane of incidence 6 are opposite, and auxiliary plane of refraction is adjacent with the plane of incidence 6.Plane of refraction 7 in the present embodiment includes 3 main planes of refraction, main
It is mutually perpendicular between plane of refraction, submicrometer structure layer or anti-reflection dielectric layer, 5 center of Reflex Reflector is provided on the plane of incidence 6
It is symmetrical to be distributed and integrally tilt outward, it is emitted so that incident ray integrally be deviated to reflect from light-emitting surface 3 outward.
The inner surface of incidence surface 4 is provided with multiple annular line of rabbet joint 8, and the annular line of rabbet joint 8 is distributed along the short transverse of incidence surface 4,
The annular line of rabbet joint 8 can be independent multiple line of rabbet joint, or can also be an entirety in the zigzag shape to spiral upwards, in this reality
Apply in example, the annular line of rabbet joint 8 is set to position between 1/3 to 2/3 height of incidence surface 4, the spacing of each annular line of rabbet joint 8 from it is lower to
On be gradually reduced.The inner surface of incidence surface is provided with multiple annular line of rabbet joint, and the annular line of rabbet joint is distributed along the short transverse of incidence surface, ring
Anti-reflection structure is provided between the shape line of rabbet joint, anti-reflection structure includes the first transparent base, second be fixed on above the first base
Base has diffusion optical texture in the first base, has refractive optics structure on the second base membrane layer, and the second base passes through transparent
Glue-line fixes the top of the first base, and diffusion optical texture is located at inner surface and/or the outer surface of the first base.
As a kind of refractive lenses, the center of light-emitting surface 3 downwardly the recess of incidence surface 4 and in incidence surface 4
Heart point is located on same center line, the center of light-emitting surface 3 be recessed towards incidence surface 4 so that central point near zone incident light
Line reaches total reflection condition, and the incident ray in the rest part region of light-emitting surface 3 reaches refraction outgoing condition.
Attached drawing 7 is the operation principle schematic diagram of Reflex Reflector lens according to the present invention, and the light a in the present embodiment is logical
It crosses after incidence surface 4 reflects and is emitted, and light b, c, d, incident at the line of rabbet joint, the annular line of rabbet joint is local by incident light at the line of rabbet joint
(refraction angle reduction) inwardly is collapsed, thus upset original light distribution mode, original light distribution is whole at the line of rabbet joint
Gather, the Crape ring that generated light intensity offset is formed with original regularity distribution is overlapped mutually, and guarantees light on the whole
It is evenly distributed by force.Due to having the reflection light A of part in the light of light-emitting surface 3, light A enters reply with certain incident angle
The plane of incidence 6 of reflector 5 occurs reflected light B and refraction light C, reflected light B in the plane of incidence 6 and separates with refraction light C, reflects
Secondary total reflection occurs in light reflection cavity micro-structure for light C, returns to the plane of incidence 6, and reflected light D and refraction E occurs in the plane of incidence 6,
Same reflected light D is separated with refraction light E.It can be seen that the refraction direction light E is consistent with the direction incident light A, and integrally produce
Raw certain offset, this can be realized by the angular relationship between plane of refraction 7.In addition, by increasing Asia in the plane of incidence 6
Micrometer structure or after covering other anti-reflection media, can make reflected light weaken, so that refraction light E light intensity enhancing, makes
Obtain Reflex Reflector performance boost.Due to Reflex Reflector by incident light outward by original reflection light secondary reflection
Outgoing so that light intensity offset and original regularity distribution and the Crape ring that is formed is overlapped mutually, guarantee light on the whole
It is evenly distributed by force.Attached drawing 8 is the Illumination Distribution contrast schematic diagram of the present embodiment, it can be seen that the present invention changes original light point
Mode for cloth eliminates glare effect, guarantees that the light distribution in irradiation area on the whole is equal.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands the contents of the present invention and is implemented, and it is not intended to limit the scope of the present invention, all spiritual according to the present invention
The equivalent change or modification that essence is done is allincluded in the scope of the present invention.
Claims (10)
1. a kind of industrial lighting device, including reflecting plate, light guide plate, outgoing plate, it is characterised in that:
The light guide plate includes the first exit facet, first top surface opposite with first exit facet, positioned at the use of side
The plane of incidence of light beam is received, the plane of incidence is located at the corner of light guide plate, is provided with LED light source on the plane of incidence,
The reflecting plate is located at the top of first top surface, and plural groups microprism is distributed on first top surface, described
Microprism be in the concentric curve around the LED light source from closely to far being distributed, the microprism meets light with first
Face and the first shady face；
The outgoing plate includes the second exit facet, second top surface opposite with second exit facet, second top
Face is located at the lower section of first exit facet, plural groups light distribution fin ring is distributed on second top surface, described matches
Light fin ring is in concentric curve from closely to being far distributed, the microprism is fallen in light distribution fin ring in vertical direction, described
Light distribution fin ring have the second side to light and the second shady face；
The LED light source includes LED chip and the Reflex Reflector lens on LED chip light extraction direction, described
Reflex Reflector lens include rounded bottom surface, the side for surrounding the bottom surface and upwardly extend along the side
Light-emitting surface, the center of the bottom surface is recessed forms incidence surface upwards, and the light-emitting surface is covered in above the bottom surface,
A plurality of Reflex Reflectors are formed on the bottom surface, the Reflex Reflector includes the plane of incidence and the circular incidence
Multiple planes of refraction in face, the plane of incidence and plane of refraction collectively form a polyhedral structure, close between the plane of refraction
It encloses and constitutes a light reflection cavity, pass through after the light-emitting surface reflection from the part of the light of the incidence surface incidence described
The plane of incidence enter light reflection cavity, the return plane of incidence that is parallel after the plane of refraction repeatedly reflects and deviating outward goes out
It penetrates.
2. industrial lighting device according to claim 1, it is characterised in that: the slope of the concentric curve is along clockwise
Direction gradually increases.
3. industrial lighting device according to claim 1, it is characterised in that: the height of the microprism is along far from described
The direction of the plane of incidence gradually increase, the spacing of the microprism is gradually reduced far from the direction of the light incident surface.
4. industrial lighting device according to claim 1, it is characterised in that: first side to light and the first shady face
In the angle α, range of the angle α along the direction far from the light incident surface in 1~α of α, 2~α 3, and 3 > α of α, 1 > α
2。
5. industrial lighting device according to claim 1, it is characterised in that: second side to light and the second shady face
In the angle β, range of the angle β along the direction far from the light incident surface in 1~β of β, 2~β 3, and 3 > β of β, 1 > β
2。
6. industrial lighting device according to claim 1, it is characterised in that: the plane of refraction includes main plane of refraction and auxiliary
Plane of refraction is helped, the main plane of refraction is opposite with the plane of incidence, and the auxiliary plane of refraction is adjacent with the plane of incidence.
7. industrial lighting device according to claim 1, it is characterised in that: the angle between the plane of refraction is greater than complete
Angle of reflection.
8. industrial lighting device according to claim 1, it is characterised in that: centrosymmetric point of the Reflex Reflector
It cloth and integrally tilts outward.
9. industrial lighting device according to claim 1, it is characterised in that: the inner surface of the incidence surface is provided with more
A annular line of rabbet joint, the annular line of rabbet joint are distributed along the short transverse of incidence surface, are provided between the annular line of rabbet joint anti-reflection
Structure, the anti-reflection structure includes the first transparent base, the second base for being fixed on above first base, described
The first base on there is diffusion optical texture, there is on second base membrane layer refractive optics structure, second base
Layer fixes the top of first base by substratum transparent, and the diffusion optical texture is located at first base
Inner surface and/or outer surface.
10. industrial lighting device according to claim 1, it is characterised in that: the center of the light-emitting surface is downwardly
Incidence surface is recessed and is located on same center line with the central point of incidence surface, and the center of the light-emitting surface enters towards described
Smooth surface is recessed so that the incident ray in central point near zone reaches total reflection condition, the rest part area of the light-emitting surface
The incident ray in domain reaches refraction outgoing condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267861.9A CN110160010A (en) | 2019-04-03 | 2019-04-03 | Industrial lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267861.9A CN110160010A (en) | 2019-04-03 | 2019-04-03 | Industrial lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110160010A true CN110160010A (en) | 2019-08-23 |
Family
ID=67638948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910267861.9A Pending CN110160010A (en) | 2019-04-03 | 2019-04-03 | Industrial lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110160010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589420A (en) * | 2021-07-23 | 2021-11-02 | 北京字节跳动网络技术有限公司 | Light guide plate and lamp |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617995A (en) * | 2002-01-18 | 2005-05-18 | 三菱丽阳株式会社 | Light source device |
| CN101149522A (en) * | 2006-09-18 | 2008-03-26 | 胜华科技股份有限公司 | Backlight module |
| CN101604037A (en) * | 2009-06-30 | 2009-12-16 | 昆山市锦溪塑胶制品有限公司 | Directional reflex reflector |
| CN101776246A (en) * | 2010-01-28 | 2010-07-14 | 苏州奥浦迪克光电技术有限公司 | Light guide plate and illuminator and back light module comprising same |
| CN103267995A (en) * | 2013-03-25 | 2013-08-28 | 苏州奥浦迪克光电技术有限公司 | Light guide plate and backlight module having same |
| CN103322505A (en) * | 2012-03-19 | 2013-09-25 | 郎欢标 | Secondary optical lens used in liquid crystal display backlight system |
| US20140104881A1 (en) * | 2012-10-15 | 2014-04-17 | Innolux Corporation | Display apparatus and light-emitting module and light-guiding plate thereof |
| CN107991807A (en) * | 2017-12-07 | 2018-05-04 | 苏州奥浦迪克光电技术有限公司 | The backlight module of backlight module lens and its composition |
-
2019
- 2019-04-03 CN CN201910267861.9A patent/CN110160010A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617995A (en) * | 2002-01-18 | 2005-05-18 | 三菱丽阳株式会社 | Light source device |
| CN101149522A (en) * | 2006-09-18 | 2008-03-26 | 胜华科技股份有限公司 | Backlight module |
| CN101604037A (en) * | 2009-06-30 | 2009-12-16 | 昆山市锦溪塑胶制品有限公司 | Directional reflex reflector |
| CN101776246A (en) * | 2010-01-28 | 2010-07-14 | 苏州奥浦迪克光电技术有限公司 | Light guide plate and illuminator and back light module comprising same |
| CN103322505A (en) * | 2012-03-19 | 2013-09-25 | 郎欢标 | Secondary optical lens used in liquid crystal display backlight system |
| US20140104881A1 (en) * | 2012-10-15 | 2014-04-17 | Innolux Corporation | Display apparatus and light-emitting module and light-guiding plate thereof |
| CN103267995A (en) * | 2013-03-25 | 2013-08-28 | 苏州奥浦迪克光电技术有限公司 | Light guide plate and backlight module having same |
| CN107991807A (en) * | 2017-12-07 | 2018-05-04 | 苏州奥浦迪克光电技术有限公司 | The backlight module of backlight module lens and its composition |
Non-Patent Citations (1)
| Title |
|---|
| 叶声华: "《激光在精密计量中的应用》", 31 July 1980, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589420A (en) * | 2021-07-23 | 2021-11-02 | 北京字节跳动网络技术有限公司 | Light guide plate and lamp |
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Application publication date: 20190823 |