CN107167864A - A kind of array line laser quantum dot manufacturing backlight module method and device - Google Patents
A kind of array line laser quantum dot manufacturing backlight module method and device Download PDFInfo
- Publication number
- CN107167864A CN107167864A CN201710227932.3A CN201710227932A CN107167864A CN 107167864 A CN107167864 A CN 107167864A CN 201710227932 A CN201710227932 A CN 201710227932A CN 107167864 A CN107167864 A CN 107167864A
- Authority
- CN
- China
- Prior art keywords
- quantum dot
- lens
- light source
- laser
- guide plate
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of array line laser quantum dot manufacturing backlight module method and device, including at least one excitation spot light, flat light guide plate, the excitation spot light is blue laser light source, and the blue laser light source is arranged in array；Also include line laser molding control element, the line laser molding control element is located between excitation spot light and flat light guide plate；Line laser molding control element is Bao Weier lens, and it is array that the arrangement of Bao Weier lens, which is in,；The Bao Weier lens axial orientation angle is adjusted by lens carrier, it is adjustable with the distance between blue laser light source between the Bao Weier lens, in addition to the angle that normal of the line laser by Bao Weier lens forming in light guide plate side incident direction with light guide plate side is formed adjusted by lens carrier.The present invention can control brightness and the power consumption of the wavelength and laser of light source, and high light laser can be made to effectively become line laser and enter light guide plate.
Description
Technical field
The present invention relates to laser display and lighting field, more particularly to a kind of array line laser quantum dot backlight module system
Make method and device.
Background technology
With the development of social science and technology, optical performance requirements more and more higher of the people to display.It is glimmering from early stage
Light lamp tube is the display of the LED backlight of the display of backlight till now.Shown simultaneously from computer, to mobile phone, to giant-screen,
To home theater, the development of Display Technique is embodied invariably.But any technology has its limitation, although today LED into
The focus in market, is greatly popularized, but some aspects are there is also development bottleneck, particularly in brightness, stability and
In terms of colour gamut.Therefore people attempt the new technology of exploitation, and to improve existing product, and laser is happened at that time as light source.
Laser is exactly colour gamut, long-life, high brightness, relatively low energy consumption of its broadness the characteristics of as light source, its is maximum,
With the unrivaled innate advantage of conventional light source, therefore it is described as after white and black displays, colored display and numerical monitor
Forth generation " successor ".Undoubtedly will be in colour gamut, stability, in terms of brightness if backlight can directly be made using laser
To existing Display Technique one very big promotion.But it is limited to the cost of laser, radiate, dimensional structure etc. is a series of
The problem of, in the market is still without the product that backlight is really made of pure laser so far.
Comparatively speaking, quantum dot film but has very big advantage.It is advantageous that, the photoelectric characteristic of quantum dot is very unique,
It can be sent the very pure high-quality of various different colours by stimulation electrically or optically according to the diameter of quantum dot
Monochromatic light.It is the different chis in excitation quantum point structure by ethereal blue light source and quantum dot is applied to the cardinal principle of Display Technique
Very little quantum dot crystal, so as to discharge pure feux rouges and pure green glow, and with remaining ethereal blue light projection to imaging system
Face, can thus send power spectrum concentration, very pure high-quality red green monochromatic light, complete beyond tradition by quantum dot
The light-emitting phosphor characteristic of LED backlight, realizes more preferably imaged color.
Technology of quantum dots makes color distincter with color gamut performance can be substantially improved in backlight, technology of quantum dots by
In its photoelectric characteristic uniqueness so being used widely, and gradually obtain liquid crystal manufacturer and the generally accreditation of user.Especially show
Show that giant's Samsung brings QLED TV and quantum dot displays that many moneys use technology of quantum dots on CES.Disappear in addition, also having
Breath claim, three star representations 2017 will not reproduction OLED display, with all strength research and development using technology of quantum dots QLED TV, all
Show that technology of quantum dots had wider possibility in 2017.It is believed that following technology of quantum dots is in display industry meeting
More popularize.
Current scientific research personnel is occupied in the research and development of the back light based on quantum dot, but its excitation source is blue light
LED, because LED is broad-spectrum light source, the spectrum of its light source is very wide, it is impossible to plays the advantage of quantum dot well, thus compels
Be essential the excitation source for wanting a kind of color purer, so that the colour gamut of the wide spectrum of quantum dot formation is wider, color is purer.
The content of the invention
Technical problem to be solved：
Present invention mainly solves the problem of be deficiency for techniques described above, propose a kind of array line laser quantum dot back of the body
Optical mode prescription case, it is therefore an objective to improve the excitation intensity of quantum dot by using the Linear Laser of high brightness so that quantum dot more fills
That divides plays its function of discharging pure color, the complexity and cost of pure laser source system is reduced, with reference to highlighted Linear Laser
Brightness and colour gamut that backlight shows system are improved with quantum dot film features.
To solve the above problems, the basic conception of the present invention is to utilize the highlighted linear laser source of array, and control line swashs
The wavelength of the wavelength of light source, especially blue light carrys out effective excitation quantum point film and lighted.The present invention is based on following optical system coupling
Close design principle：The main etendue by incident and outgoing system of the coupling efficiency of one optical system is determined, works as incidence
It is optical coupled most effective when the etendue of system and the flux matched etendue of outgoing system.
Technical scheme：
A kind of array line laser quantum dot manufacturing backlight module method and device, including at least one excitation spot light, flat board
Formula light guide plate, it is characterised in that：The excitation spot light is blue laser light source, and the blue laser light source is arranged in array
Cloth；
Also include line laser molding control element, the line laser molding control element is located at excitation spot light and flat leaded light
Between plate；The line laser molding control element is Bao Weier lens, and the Bao Weier lens arrangement is in array, with blueness
LASER Light Source is corresponded, and Bao Weier lens axial orientations angle is adjusted by lens carrier；The Bao Weier lens and blueness
Adjusted between the position-adjustable of LASER Light Source, the Bao Weier lens with the distance between blue laser light source by lens carrier
Section；Also include normal of the line laser by Bao Weier lens forming in light guide plate side incident direction Yu light guide plate side
The angle of formation is adjusted by lens carrier.
The present invention uses the highlighted lasing light emitter of array, is the brightness in order to preferably control laser and power consumption.It is single
The power of laser is determined by total guide-lighting efficiency of light guide plate and its optical film group, too low to reach realization effectively display institute
Highlighted, the too high both waste of resource needed, are possible to produce unnecessary light pollution, increase the complexity of system therewith again,
The cost of system can be increased.To improve laser module to the coupling efficiency of light guide plate, present invention employs array lens group
Concept so that high brightness laser can become line laser by one group of lens, more effectively import light guide plate.In order to reduce line
The beam angle of laser, the present invention is using the design of Bao Weier lens arrangements.Bao Weier lens can be by controlling the exhibition of emergent light
Wide angle effectively reduces the width of outgoing beam.The width of outgoing beam closer to light guide plate etendue, then two
The coupling of system is more effective.Because Bao Weier lens axial orientations angle is adjustable so that existed by the line laser of Bao Weier lens forming
The angle of the normal formation of light guide plate side incident direction and light guide plate side is adjustable, further raising line laser and light guide plate
Coupling efficiency.
Also, the interval between blue laser light source array is determined by the coupling efficiency of line laser and light guide plate, total laser
Device number by backlight module with display system total light flux requirement determine.The array pitch of corresponding Bao Weier lens with
And a number selection is as the same.
Propagation path by said structure light is：Light sends the prismatic lens refraction for running into array from light source, produces
The smaller line laser of width, line laser enters from the side incidence end of light guide plate, is projected from the upper surface of light guide plate.
Preferably, the wave-length coverage of blue laser light source is 450nm-455 nm, and power is more than 1.5 watts.Swash to reduce
Heat produced by light device is luminous for a long time, excitation spot light of the invention carries the cooling system of particular design, the radiating system
Unite as with common heat sink radiating guiding gutter.Each light source and a heat sink radiating guiding gutter phase in the blue laser light source
Even.When the power of LASER Light Source is more than 1.5 watt-hours, LASER Light Source now is high power laser sources, and harmful grade is 4 grades.
The present invention also disclosed improve line laser quantum dot film group optical coupling efficiency method, essentially consist in how
By adjusting the orientation and Scattering Point of Light Guide Plates density and form of array lenses, light source, light guide plate and Bao Weier lens groups come excellent
Change system, so as to improve total optical coupling efficiency of system.The distance at array lenses and light guide plate edge is by light guide plate module
Required total brightness of system is determined.More dipped beam is strong bigger, and required laser number is also more, and corresponding system lenses number increases
Plus.Vice versa.Require to determine by the optimization of overall brightness needed for final.
Preferably, the excitation spot light is replaceable and detaching structure；Lens array group is fixed on lens fixed mount；
Multiple excitation spot lights are fixed on light source fixing frame；The light source fixing frame is fixedly connected on bottom plate framework with lens fixed mount.
System maintenance after such a design both facilitates, laser die block array is standby to change using the design of replaceable and detaching structure,
Also it can guarantee that the stability of optical system.
Further, this method using by controlling quantum dot membrane system thickness and placement order come the brightness of control system and
Colour gamut.
Further, it is used as backlight mould by the use of above-mentioned array line laser quantum dot manufacturing backlight module method and device
The backlight of group；Also include quantum dot film group；The quantum dot film group is at least a piece of to be made up of the controllable membrane system of thickness；Institute
Quantum dot film quantity and thickness is stated to be determined by the colour gamut of final display backlight module.
Preferably, the quantum dot film by extrusion molding sandwiched type structure row into, quantum dot membrane material composition include green and
Red quantum dot material, and the two ratio is adjustable.
Because the system uses high brightness laser, the optically and thermally performance to quantum dot film group proposes higher requirement,
Quantum dot film is coated by the material of anti-light aging.Whole quantum dot film, which is selected, has the long-life, high saturating, heat-resisting, anti-distortion
Material is made.
The characteristics of another protrusion of the present invention is can be by controlling quantum dot membrane system thickness and placement order to control
Brightness and colour gamut are needed, and colour gamut is one highly important index of display system.
Further, a kind of display device, including liquid crystal display panel and above-mentioned backlight module.Battle array disclosed by the invention
Column line laser quantum dot backlight module was both displayed for, and can be used for illumination.
Beneficial effect：
（1）The present invention uses the highlighted lasing light emitter of array, can not only control the wavelength of light source, but also can control laser
Brightness and power consumption.
（2）The present invention uses array lens group, high light laser is effectively become line laser and enters light guide plate.
（3）The present invention, can be by controlling the broadening angle of emergent light effectively to subtract using the design of Bao Weier lens arrangements
The width of small outgoing beam.The width of outgoing beam closer to the etendue of light guide plate, make line laser and light guide plate this
The optical coupling of two systems is more effective.
（4）The present invention is using by controlling quantum dot membrane system thickness and placement order come the brightness of control system and colour gamut.
Brief description of the drawings
Fig. 1 is array line laser quantum dot light emitting device, the overall structure of backlight module；
Fig. 2 is array line laser quantum dot light emitting device, backlight module cross-sectional structure figure；
Fig. 3 is unilateral incident array line laser quantum dot light emitting device, backlight module light guide plate bottom scattering point design structure
Figure；
Fig. 4 is bilateral incident array line laser quantum dot light emitting device, the structure chart of backlight module；
Fig. 5 is bilateral incident array line laser quantum dot light emitting device, backlight module bottom scattering point design structure diagram；
Fig. 6 is the azimuthal variation schematic configuration diagram of the unilateral incident ray laser formation lens of the present invention；
Normal of the line laser of the present invention in light guide plate side incident direction Yu light guide plate side is formed when Fig. 7 is unilateral incident
Angle is adjustable schematic diagram；
Fig. 8 is the front view of the lens adjusting bracket of the present invention；
Fig. 9 is the profile of the lens adjusting bracket of the present invention.
Embodiment
The present invention will be described below in conjunction with the accompanying drawings：
Fig. 1 is array line laser quantum dot light emitting device, the overall structure of backlight module.The blueness that it includes positioned at right side swashs
Radiant 3, is followed successively by array prism group i.e. array Bao Weier prism group 2, the and of light guide plate 105 on the inside of LASER Light Source
Quantum dot film group and subsequent optical coupling unit.
Wherein, blue laser light source is made up of semiconductor laser.Carried to reduce the possible caused temperature of irradiation for a long time
Height, blue laser light source has attached special radiator structure, and its structure is included along laser module end direction from left to right
The common heat sink guiding gutter composition of air, do not drawn in figure wherein.
The number of array laser light source is determined by the size of light guide plate 105 and the coupling efficiency of Bao Weier lens 2.Wherein Bao
Weir lens are coupled lens, be it is a kind of spot light can be converted to the lenticular unit of line source, material is BK7 glass.
The broadening angle of line laser is from 90 degree to 120 degree, its broadening angular dimension luminous intensity and leaded light as needed for light guide plate
The coupling efficiency of plate is determined.Band arrow solid line is laser beam in figure.5 be that the connected relay part of array laser module is light source
Fixed mount.6 be that Bao Weier lens units are solidly connected structure i.e. lens fixed mount, and above-mentioned two fixed mount is made up of aluminium.Fig. 1
In 1 part be array line laser quantum dot light emitting device and backlight module overall structure, including flat leaded light
Size needed for plate can change at several cun between 65 cun of displays.
Fig. 2 is Fig. 1 cross-sectional view, the main optical coupling part including light guide plate and quantum dot system backlight module.Except 2
, 3 be corresponding Bao Weier lens and highlighted LASER Light Source, in addition to from 101 to 106 6 optical components, wherein 106
For reflection diaphragm, the light of light guide plate is appeared for being reflected into light guide plate bottom, its purpose is to the laser of spilling is anti-
Light guide plate is fed back to, the loss of luminous flux is reduced.105 be flat light guide plate, and plane length and width size is by required display sizes
It is fixed.Thickness is determined by the coupling efficiency of institute's light requirement.103 and 104 be the quantum dot membrane system of different quantum dot densities and thickness, is used
In the colourity of control display color.102 be blast membrane system, and 101 be diffusion membrane system.
Fig. 3 be unilateral irradiation backlight module, 201 be light guide plate correspondingly another rim portion it is simultaneous be light guide plate side it is anti-
Film is penetrated, its purpose is to stop the light leakage at light guide plate edge.301 be large-size light-conducting plate bottom scattering point, and 302 be small
Size light guide plate bottom scattering point, and be circle, its size determines by light guide plate coupling efficiency, and scattering point density design by
Required light guide plate coupling efficiency requires to determine.Density generally away from optical entrance end is larger.202 be light guide plate exit end,
Post high-reflecting film, it is therefore an objective to the transmitted light for having been enter into light guide plate is fed back into light guide plate again by highly reflecting films, reduce to enter and lead
The light loss of tabula rasa.203 be the incidence end of light guide plate.
Fig. 4 is bilateral guide-lighting design.Array laser module is simultaneously incident including symmetrical from the light guide plate left and right sides
Laser light source module and Bao Weier Lens Couplings part.
The design structure of Fig. 5 light guide plates corresponding with bilateral leaded light.The scattering dot density and size of its light guide plate outer bottom
Depending on the guide-lighting requirement as needed for system.201 be light guide plate offside reflection film.301 be large-size light-conducting plate bottom scattering point,
302 be small size light guide plate bottom scattering point.As can be seen that 301 idea density are closeer in light guide plate center section.
Bao Weier lens as shown in Figure 6 are adjustable relative to the position of LASER Light Source, that is, outgoing Xi'an laser orientation
It is adjustable.The device is conducive to controlling outgoing in the light distribution in light guide plate as seen from the figure, thus can be logical to institute's light requirement
Amount and coupling efficiency are controlled, additionally, due to this azimuthal change so that the system can be with Effective Regulation light guide plate
Outgoing uniformity.
The unilateral incident line laser by Bao Weier lens forming is illustrated in figure 7 in light guide plate side incident direction and leaded light
The adjustable schematic diagram of angle of the normal formation of plate side.In order to further improve the optical coupling efficiency of line laser and light guide plate,
The present invention proposes the normal for utilizing the line laser of Bao Weier lens forming in light guide plate side incident direction Yu light guide plate side
The adjustable method of angle of formation carries out optical system coupled.Because the incident direction under line laser in light guide plate changes,
The change of exit facet luminous flux on light guide plate certainly will be caused, the optical coupling efficiency of whole system is optimized therewith.
Such as Fig. 8 and Fig. 9 show lens carrier 21, wherein 22 be carrier base, 23 be regulation handle.Lens carrier has two
It is individual, be separately fixed on lens fixed mount and light source fixing frame on.The carrier base 22 of lens carrier is to place lens and light source
Fixing device, lens and light source can be moved along fixed mount as seen from the figure, so as to change the position between lens and light source
The line laser of relation, the azimuth of change lens and Bao Weier lens forming is put in light guide plate side incident direction and light guide plate side
The angle of the normal formation in face.
Present invention design is extensible to be applied to the incident situation of square light guide plate diagonal Linear Laser array, also may be used
With applied to circular and irregular figure light guide plate backlight design.
The present invention especially can also extend to stratiform with expanded application in one-dimensional and multidimensional Linear Laser Array Design
The multi-dimensional design of light guide plate.
The present invention can be with expanded application in the backlight design of annular and spherical light guide plate.
Above-described some embodiments do not limit protection scope of the present invention, any to be made based on this embodiment
Equivalent and similar conversion will also receive same protection.
Although the present invention disclosed as above with preferred embodiment, they be not for limit the present invention, it is any ripe
This those skilled in the art is practised, without departing from the spirit and scope of the invention, can make various changes or retouch from working as, therefore the guarantor of the present invention
What shield scope should be defined by claims hereof protection domain is defined.
Claims (7)
1. a kind of array line laser quantum dot manufacturing backlight module method and device, including at least one excitation spot light（3）,
Flat light guide plate（105）, it is characterised in that：The excitation spot light（3）For blue laser light source, the blue laser light source
Arranged in array；
Also include line laser molding control element, the line laser molding control element is located at excitation spot light and flat leaded light
Between plate；The line laser molding control element is Bao Weier lens（2）, the Bao Weier lens（2）Arrangement is in array,
With blue laser light source（3）Correspond, and Bao Weier lens axial orientations angle passes through lens carrier（21）Regulation；
The Bao Weier lens（2）With the position-adjustable of blue laser light source, with blue laser between the Bao Weier lens
The distance between light source passes through lens carrier（21）Regulation；
Also include method of the line laser by Bao Weier lens forming in light guide plate side incident direction Yu light guide plate side
The angle of line formation passes through lens carrier（21）Regulation.
2. a kind of array line laser quantum dot manufacturing backlight module method and device according to claim 1, its feature
It is：The wave-length coverage of the blue laser light source is 450nm-455 nm, and power is more than 1.5 watts；The blue laser light source
In each light source be connected with a heat sink guiding gutter that radiates.
3. a kind of array line laser quantum dot manufacturing backlight module method and device according to claim 1, its feature
It is：The excitation spot light（3）For replaceable and detaching structure；Lens array group is fixed on lens fixed mount（6）；It is multiple
Encourage spot light（3）It is fixed on light source fixing frame（5）；The light source fixing frame（5）With lens fixed mount（6）It is fixedly connected on bottom
Plate framework.
4. a kind of array line laser quantum dot manufacturing backlight module method and device according to claim 1, its feature
It is：Using by controlling quantum dot membrane system thickness and placement order come the brightness of control system and colour gamut.
5. a kind of backlight module, it is characterised in that：Including the array line laser described in claim 1--4 any claims
Quantum dot manufacturing backlight module method and device as the backlight module backlight；Also include quantum dot film group；The quantum
Point film group is at least a piece of to be made up of the controllable membrane system of thickness；The quantum dot film quantity and thickness are by final display backlight mould
The colour gamut of group is determined.
6. a kind of backlight module according to claim 6, it is characterised in that：The quantum dot film is by extrusion molding sandwich style knot
Structure row is into quantum dot membrane material composition includes green and red quantum dot material, and the two ratio is adjustable.
7. a kind of display device, it is characterised in that the backlight including liquid crystal display panel and as described in any in claim 1-6
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227932.3A CN107167864B (en) | 2017-04-10 | 2017-04-10 | A kind of array line laser quantum dot manufacturing backlight module method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227932.3A CN107167864B (en) | 2017-04-10 | 2017-04-10 | A kind of array line laser quantum dot manufacturing backlight module method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107167864A true CN107167864A (en) | 2017-09-15 |
| CN107167864B CN107167864B (en) | 2019-06-14 |
Family
ID=59849648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710227932.3A Active CN107167864B (en) | 2017-04-10 | 2017-04-10 | A kind of array line laser quantum dot manufacturing backlight module method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107167864B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390433A (en) * | 2017-09-20 | 2017-11-24 | 南京第五十五所技术开发有限公司 | Modularization line laser quantum dot backlight module device and display device |
| CN108872615A (en) * | 2018-04-26 | 2018-11-23 | 迪瑞医疗科技股份有限公司 | A kind of manifold type blood coagulation test macro and method |
| CN110221378A (en) * | 2019-05-08 | 2019-09-10 | 南京第五十五所技术开发有限公司 | A kind of array side insertion lens type light guide plate backlight coupling device and display device |
| CN111458931A (en) * | 2020-04-02 | 2020-07-28 | 河南百合特种光学研究院有限公司 | High-brightness backlight source module based on L D pump fluorescent crystal |
| CN114465075A (en) * | 2022-02-09 | 2022-05-10 | 江苏亮点光电科技有限公司 | A word line laser for generating a word line group |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701692A (en) * | 2009-11-25 | 2010-05-05 | 山东大学 | Laser backlight surface light source |
| US20120002137A1 (en) * | 2010-07-01 | 2012-01-05 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| CN102853332A (en) * | 2011-06-30 | 2013-01-02 | 日立民用电子株式会社 | Backlight device and liquid crystal display apparatus using the same |
| US20150023055A1 (en) * | 2013-07-19 | 2015-01-22 | Samsung Display Co., Ltd. | Light source assembly, backlight assembly having the same and display apparatus having the same |
| CN105223641A (en) * | 2015-09-25 | 2016-01-06 | 苏州苏大维格光电科技股份有限公司 | A kind of quantum dot laser directing backlight module and bore hole 3D display device |
| CN205080339U (en) * | 2015-08-06 | 2016-03-09 | 北京工业大学 | Blue light LD backlight unit and display device |
| CN205581468U (en) * | 2016-04-12 | 2016-09-14 | 东莞轩朗实业有限公司 | Sideward backlight module and liquid crystal display device |
| CN205750214U (en) * | 2016-06-20 | 2016-11-30 | 苏州鹏富光电科技有限公司 | A kind of light channel structure of laser backlight module |
-
2017
- 2017-04-10 CN CN201710227932.3A patent/CN107167864B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701692A (en) * | 2009-11-25 | 2010-05-05 | 山东大学 | Laser backlight surface light source |
| US20120002137A1 (en) * | 2010-07-01 | 2012-01-05 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| CN102853332A (en) * | 2011-06-30 | 2013-01-02 | 日立民用电子株式会社 | Backlight device and liquid crystal display apparatus using the same |
| US20150023055A1 (en) * | 2013-07-19 | 2015-01-22 | Samsung Display Co., Ltd. | Light source assembly, backlight assembly having the same and display apparatus having the same |
| CN205080339U (en) * | 2015-08-06 | 2016-03-09 | 北京工业大学 | Blue light LD backlight unit and display device |
| CN105223641A (en) * | 2015-09-25 | 2016-01-06 | 苏州苏大维格光电科技股份有限公司 | A kind of quantum dot laser directing backlight module and bore hole 3D display device |
| CN205581468U (en) * | 2016-04-12 | 2016-09-14 | 东莞轩朗实业有限公司 | Sideward backlight module and liquid crystal display device |
| CN205750214U (en) * | 2016-06-20 | 2016-11-30 | 苏州鹏富光电科技有限公司 | A kind of light channel structure of laser backlight module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390433A (en) * | 2017-09-20 | 2017-11-24 | 南京第五十五所技术开发有限公司 | Modularization line laser quantum dot backlight module device and display device |
| CN108872615A (en) * | 2018-04-26 | 2018-11-23 | 迪瑞医疗科技股份有限公司 | A kind of manifold type blood coagulation test macro and method |
| CN110221378A (en) * | 2019-05-08 | 2019-09-10 | 南京第五十五所技术开发有限公司 | A kind of array side insertion lens type light guide plate backlight coupling device and display device |
| CN111458931A (en) * | 2020-04-02 | 2020-07-28 | 河南百合特种光学研究院有限公司 | High-brightness backlight source module based on L D pump fluorescent crystal |
| CN114465075A (en) * | 2022-02-09 | 2022-05-10 | 江苏亮点光电科技有限公司 | A word line laser for generating a word line group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107167864B (en) | 2019-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107167864B (en) | A kind of array line laser quantum dot manufacturing backlight module method and device | |
| US7738054B2 (en) | Liquid crystal display device | |
| JP5384347B2 (en) | Lighting system, lighting fixture and display device | |
| US11592159B2 (en) | Light source system and lighting apparatus | |
| US20070291491A1 (en) | Illumination system and method for recycling light to increase the brightness of the light source | |
| EP1693700A1 (en) | Light emitting diode unit for a backlight device | |
| CN102767751B (en) | Backlight module and display device including backlight module | |
| CN203162752U (en) | Direct-type liquid crystal display device, backlight module thereof and diffusion plate | |
| CN209325530U (en) | A kind of Novel panel lamp | |
| WO2020001057A1 (en) | Light source device | |
| CN107327747A (en) | A kind of backlight module and display device | |
| KR20120127077A (en) | Color converting device and method for manufacturing the same | |
| JP2000231816A (en) | Light source device and back light device | |
| CN107946434B (en) | White light emitting diode and backlight module | |
| CN104487762B (en) | Planar light source device and liquid crystal indicator | |
| CN203258494U (en) | Light-emitting device and relevant projection system | |
| CN107390433A (en) | Modularization line laser quantum dot backlight module device and display device | |
| CN110221378A (en) | A kind of array side insertion lens type light guide plate backlight coupling device and display device | |
| CN106066554B (en) | Backlight module and display device | |
| CN206421144U (en) | Light supply apparatus and digital light processing projection show system | |
| WO2012006952A1 (en) | Optical system | |
| CN207380410U (en) | Modularization line laser quantum dot backlight module device and display device | |
| CN210323448U (en) | Array side embedded lens type light guide plate backlight coupling device and display device | |
| CN209325692U (en) | A kind of fluorescent lamp | |
| CN203517494U (en) | Backlight module and liquid crystal display 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 |